1872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 2872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Copyright (C) 2008 The Android Open Source Project 3872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 4872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 5872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * you may not use this file except in compliance with the License. 6872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * You may obtain a copy of the License at 7872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 8872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 9872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 10872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Unless required by applicable law or agreed to in writing, software 11872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 12872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * See the License for the specific language governing permissions and 14872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * limitations under the License. 15872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 16872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 17872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "debugger.h" 18872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes#include <sys/uio.h> 203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 21545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes#include <set> 22545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 23166db04e259ca51838c311891598664deeed85adIan Rogers#include "arch/context.h" 24545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes#include "class_linker.h" 252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "class_linker-inl.h" 264f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 27776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers#include "dex_instruction.h" 2822d5e735f403c57525fe868304c7123f0ce66399Ian Rogers#include "field_helper.h" 291d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 301d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/large_object_space.h" 311d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space-inl.h" 32eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier#include "handle_scope.h" 3364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "jdwp/object_registry.h" 3422d5e735f403c57525fe868304c7123f0ce66399Ian Rogers#include "method_helper.h" 35ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 36ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 392dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 402dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 42b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers#include "mirror/string-inl.h" 432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 44a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz#include "quick/inline_method_analyser.h" 4553b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers#include "reflection.h" 46a0e180632411f7fe0edf454e571c42209ee7b540Elliott Hughes#include "safe_map.h" 4764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "scoped_thread_state_change.h" 486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#include "ScopedLocalRef.h" 49f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes#include "ScopedPrimitiveArray.h" 50eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier#include "handle_scope-inl.h" 51475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes#include "thread_list.h" 5262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "throw_location.h" 532dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "utf.h" 54a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz#include "verifier/method_verifier-inl.h" 55eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "well_known_classes.h" 56475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 573d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#ifdef HAVE_ANDROID_OS 583d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#include "cutils/properties.h" 593d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#endif 603d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom 61872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesnamespace art { 62872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 637934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstromstatic const size_t kMaxAllocRecordStackDepth = 16; // Max 255. 64f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstromstatic const size_t kDefaultNumAllocRecords = 64*1024; // Must be a power of 2. 2BE can hold 64k-1. 65f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom 66f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom// Limit alloc_record_count to the 2BE value that is the limit of the current protocol. 67f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstromstatic uint16_t CappedAllocRecordCount(size_t alloc_record_count) { 68f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom if (alloc_record_count > 0xffff) { 69f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom return 0xffff; 70f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom } 71f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom return alloc_record_count; 72f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom} 73475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 74b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchiclass AllocRecordStackTraceElement { 75b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi public: 76b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement() : method_(nullptr), dex_pc_(0) { 77b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 78545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 79b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi int32_t LineNumber() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 80b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* method = Method(); 81b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi DCHECK(method != nullptr); 82b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return method->GetLineNumFromDexPC(DexPc()); 83412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 84412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 85b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* Method() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 864345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 874345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return soa.DecodeMethod(method_); 88545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 89b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 90b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetMethod(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 91b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 924345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier method_ = soa.EncodeMethod(m); 93b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 94b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 95b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint32_t DexPc() const { 96b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return dex_pc_; 97b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 98b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 99b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetDexPc(uint32_t pc) { 100b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi dex_pc_ = pc; 101b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 102b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 103b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi private: 1044345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier jmethodID method_; 105b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint32_t dex_pc_; 106545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 107545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 1084345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartierjobject Dbg::TypeCache::Add(mirror::Class* t) { 1094345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 1104345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier int32_t hash_code = t->IdentityHashCode(); 1114345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier auto range = objects_.equal_range(hash_code); 1124345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier for (auto it = range.first; it != range.second; ++it) { 1134345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier if (soa.Decode<mirror::Class*>(it->second) == t) { 1144345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier // Found a matching weak global, return it. 1154345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return it->second; 1164345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 1174345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 1184345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier JNIEnv* env = soa.Env(); 1194345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier const jobject local_ref = soa.AddLocalReference<jobject>(t); 1204345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier const jobject weak_global = env->NewWeakGlobalRef(local_ref); 1214345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier env->DeleteLocalRef(local_ref); 1224345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier objects_.insert(std::make_pair(hash_code, weak_global)); 1234345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return weak_global; 1244345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier} 1254345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier 1264345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartiervoid Dbg::TypeCache::Clear() { 127f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom JavaVMExt* vm = Runtime::Current()->GetJavaVM(); 128f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom Thread* self = Thread::Current(); 1294345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier for (const auto& p : objects_) { 130f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom vm->DeleteWeakGlobalRef(self, p.second); 1314345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 1324345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier objects_.clear(); 1334345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier} 1344345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier 135b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchiclass AllocRecord { 136b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi public: 137b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecord() : type_(nullptr), byte_count_(0), thin_lock_id_(0) {} 138b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 139b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::Class* Type() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1404345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return down_cast<mirror::Class*>(Thread::Current()->DecodeJObject(type_)); 141b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 142b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 143f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom void SetType(mirror::Class* t) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, 144f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom Locks::alloc_tracker_lock_) { 145f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom type_ = Dbg::type_cache_.Add(t); 146b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 147545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 148b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi size_t GetDepth() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 149545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth = 0; 150b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi while (depth < kMaxAllocRecordStackDepth && stack_[depth].Method() != NULL) { 151545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ++depth; 152545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 153545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return depth; 154545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 155412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 156b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi size_t ByteCount() const { 157b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return byte_count_; 158b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 159b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 160b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetByteCount(size_t count) { 161b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi byte_count_ = count; 162412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 163b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 164b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint16_t ThinLockId() const { 165b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return thin_lock_id_; 166b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 167b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 168b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetThinLockId(uint16_t id) { 169b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi thin_lock_id_ = id; 170b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 171b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 172b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement* StackElement(size_t index) { 173b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi DCHECK_LT(index, kMaxAllocRecordStackDepth); 174b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return &stack_[index]; 175b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 176b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 177b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi private: 178b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi jobject type_; // This is a weak global. 179b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi size_t byte_count_; 180b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint16_t thin_lock_id_; 181b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement stack_[kMaxAllocRecordStackDepth]; // Unused entries have NULL method. 182545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 183545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 1840ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchiclass Breakpoint { 1850ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi public: 186f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz Breakpoint(mirror::ArtMethod* method, uint32_t dex_pc, 187f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind deoptimization_kind) 1880ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 189f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz : method_(nullptr), dex_pc_(dex_pc), deoptimization_kind_(deoptimization_kind) { 190f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(deoptimization_kind_ == DeoptimizationRequest::kNothing || 191f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz deoptimization_kind_ == DeoptimizationRequest::kSelectiveDeoptimization || 192f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz deoptimization_kind_ == DeoptimizationRequest::kFullDeoptimization); 1930ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 1940ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi method_ = soa.EncodeMethod(method); 1950ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 196a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 1970ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi Breakpoint(const Breakpoint& other) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 1980ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi : method_(nullptr), dex_pc_(other.dex_pc_), 199f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz deoptimization_kind_(other.deoptimization_kind_) { 2000ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 2010ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi method_ = soa.EncodeMethod(other.Method()); 2020ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 203a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2040ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi mirror::ArtMethod* Method() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2050ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 2060ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return soa.DecodeMethod(method_); 2070ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 2083b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 2090ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi uint32_t DexPc() const { 2100ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return dex_pc_; 2110ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 2120ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 213f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind GetDeoptimizationKind() const { 214f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return deoptimization_kind_; 2153b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2160ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 2170ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi private: 2180ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi // The location of this breakpoint. 2190ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi jmethodID method_; 2200ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi uint32_t dex_pc_; 2210ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 2220ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi // Indicates whether breakpoint needs full deoptimization or selective deoptimization. 223f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind deoptimization_kind_; 2248696433d1b3d8ba15288483b777edd888de69135Elliott Hughes}; 2258696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 22659d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertzstatic std::ostream& operator<<(std::ostream& os, const Breakpoint& rhs) 227b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2280ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi os << StringPrintf("Breakpoint[%s @%#x]", PrettyMethod(rhs.Method()).c_str(), rhs.DexPc()); 2298696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return os; 2308696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 2318696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2323f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzclass DebugInstrumentationListener FINAL : public instrumentation::InstrumentationListener { 23362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers public: 23462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DebugInstrumentationListener() {} 23562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~DebugInstrumentationListener() {} 23662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodEntered(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc) 2393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 24062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (method->IsNative()) { 24162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: post location events is a suspension point and native method entry stubs aren't. 24262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return; 24362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 2448379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, 0, Dbg::kMethodEntry, nullptr); 24562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 24662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2473f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodExited(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2483f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, const JValue& return_value) 2493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 25062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (method->IsNative()) { 25162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: post location events is a suspension point and native method entry stubs aren't. 25262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return; 25362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 2548379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, dex_pc, Dbg::kMethodExit, &return_value); 25562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 25662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2573f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodUnwind(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2583f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc) 2593f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 26062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // We're not recorded to listen to this kind of event, so complain. 26162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(ERROR) << "Unexpected method unwind event in debugger " << PrettyMethod(method) 26251db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz << " " << dex_pc; 26362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 26462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void DexPcMoved(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2663f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t new_dex_pc) 2673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2688379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, new_dex_pc, 0, nullptr); 26962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 27062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldRead(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2723f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field) 2733f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2743f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostFieldAccessEvent(method, dex_pc, this_object, field); 27562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 2763f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2773f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWritten(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2783f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field, const JValue& field_value) 2793f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2803f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostFieldModificationEvent(method, dex_pc, this_object, field, &field_value); 2813f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2823f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2833f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void ExceptionCaught(Thread* thread, const ThrowLocation& throw_location, 2843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* catch_method, uint32_t catch_dex_pc, 2853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Throwable* exception_object) 2863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2873f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostException(throw_location, catch_method, catch_dex_pc, exception_object); 2883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2893f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2903f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz private: 2913f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DISALLOW_COPY_AND_ASSIGN(DebugInstrumentationListener); 29262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} gDebugInstrumentationListener; 29362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2944ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes// JDWP is allowed unless the Zygote forbids it. 2954ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesstatic bool gJdwpAllowed = true; 2964ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 297c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Was there a -Xrunjdwp or -agentlib:jdwp= argument on the command line? 2983bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gJdwpConfigured = false; 2993bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 300c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Broken-down JDWP options. (Only valid if IsJdwpConfigured() is true.) 301376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesstatic JDWP::JdwpOptions gJdwpOptions; 3023bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 3033bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes// Runtime JDWP state. 3043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic JDWP::JdwpState* gJdwpState = NULL; 3053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerConnected; // debugger or DDMS is connected. 3063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerActive; // debugger is making requests. 3078696433d1b3d8ba15288483b777edd888de69135Elliott Hughesstatic bool gDisposed; // debugger called VirtualMachine.Dispose, so we should drop the connection. 3083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 30947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesstatic bool gDdmThreadNotification = false; 31047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 311767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes// DDMS GC-related settings. 312767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpifWhen gDdmHpifWhen = Dbg::HPIF_WHEN_NEVER; 313767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmHpsgWhen = Dbg::HPSG_WHEN_NEVER; 314767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmHpsgWhat; 315767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmNhsgWhen = Dbg::HPSG_WHEN_NEVER; 316767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmNhsgWhat; 317767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 318d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzObjectRegistry* Dbg::gRegistry = nullptr; 319475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 320545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes// Recent allocation tracking. 321719d1a33f6569864f529e5a3fff59e7bca97aad0Ian RogersAllocRecord* Dbg::recent_allocation_records_ = nullptr; // TODO: CircularBuffer<AllocRecord> 322719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_max_ = 0; 323719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_head_ = 0; 324719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_count_ = 0; 3254345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu ChartierDbg::TypeCache Dbg::type_cache_; 326545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 327138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Deoptimization support. 3284d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzstd::vector<DeoptimizationRequest> Dbg::deoptimization_requests_; 3294d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzsize_t Dbg::full_deoptimization_event_count_ = 0; 3307ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzsize_t Dbg::delayed_full_undeoptimization_count_ = 0; 331138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 33242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz// Instrumentation event reference counters. 33342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::dex_pc_change_event_ref_count_ = 0; 33442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::method_enter_event_ref_count_ = 0; 33542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::method_exit_event_ref_count_ = 0; 33642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::field_read_event_ref_count_ = 0; 33742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::field_write_event_ref_count_ = 0; 33842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::exception_catch_event_ref_count_ = 0; 33942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzuint32_t Dbg::instrumentation_events_ = 0; 34042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz 341138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Breakpoints. 34209bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhaostatic std::vector<Breakpoint> gBreakpoints GUARDED_BY(Locks::breakpoint_lock_); 3438696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 34412f7423a2bb4bfab76700d84eb6d4338d211983aMathieu Chartiervoid DebugInvokeReq::VisitRoots(RootCallback* callback, void* arg, const RootInfo& root_info) { 3453b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (receiver != nullptr) { 34612f7423a2bb4bfab76700d84eb6d4338d211983aMathieu Chartier callback(&receiver, arg, root_info); 3473b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3483b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (thread != nullptr) { 34912f7423a2bb4bfab76700d84eb6d4338d211983aMathieu Chartier callback(&thread, arg, root_info); 3503b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3513b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (klass != nullptr) { 35212f7423a2bb4bfab76700d84eb6d4338d211983aMathieu Chartier callback(reinterpret_cast<mirror::Object**>(&klass), arg, root_info); 3533b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3543b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 35512f7423a2bb4bfab76700d84eb6d4338d211983aMathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, root_info); 3563b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3573b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 3583b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 359bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid DebugInvokeReq::Clear() { 360bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz invoke_needed = false; 361bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz receiver = nullptr; 362bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz thread = nullptr; 363bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz klass = nullptr; 364bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 365bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 366bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 36712f7423a2bb4bfab76700d84eb6d4338d211983aMathieu Chartiervoid SingleStepControl::VisitRoots(RootCallback* callback, void* arg, const RootInfo& root_info) { 3683b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 36912f7423a2bb4bfab76700d84eb6d4338d211983aMathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, root_info); 3703b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3713b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 3723b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 373bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzbool SingleStepControl::ContainsDexPc(uint32_t dex_pc) const { 374bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz return dex_pcs.find(dex_pc) == dex_pcs.end(); 375bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 376bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 377bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid SingleStepControl::Clear() { 378bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz is_active = false; 379bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 380bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz dex_pcs.clear(); 381bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 382bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 383ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic bool IsBreakpoint(const mirror::ArtMethod* m, uint32_t dex_pc) 38409bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao LOCKS_EXCLUDED(Locks::breakpoint_lock_) 385b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 38659d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz ReaderMutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 387138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 3880ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (gBreakpoints[i].DexPc() == dex_pc && gBreakpoints[i].Method() == m) { 3898696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "Hit breakpoint #" << i << ": " << gBreakpoints[i]; 3908696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return true; 3918696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3928696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3938696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return false; 3948696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 3958696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 39652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertzstatic bool IsSuspendedForDebugger(ScopedObjectAccessUnchecked& soa, Thread* thread) 39752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) { 3989e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_suspend_count_lock_); 3999e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // A thread may be suspended for GC; in this code, we really want to know whether 4009e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // there's a debugger suspension active. 4019e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes return thread->IsSuspended() && thread->GetDebugSuspendCount() > 0; 4029e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes} 4039e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 4042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Array* DecodeArray(JDWP::RefTypeId id, JDWP::JdwpError& status) 405b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 406d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(id); 40764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 408436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 409436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 410436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 411436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsArrayInstance()) { 412436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_ARRAY; 413436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 414436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 415436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 416436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsArray(); 417436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 418436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 4192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Class* DecodeClass(JDWP::RefTypeId id, JDWP::JdwpError& status) 420b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 421d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(id); 42264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 423436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 424436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 425436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 426436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsClass()) { 427436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_CLASS; 428436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 429436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 430436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 431436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsClass(); 432436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 433436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 434221229cb523f849f165fdafbf9785010963715daElliott Hughesstatic JDWP::JdwpError DecodeThread(ScopedObjectAccessUnchecked& soa, JDWP::ObjectId thread_id, Thread*& thread) 435a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao EXCLUSIVE_LOCKS_REQUIRED(Locks::thread_list_lock_) 436b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) 437b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 438d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* thread_peer = Dbg::GetObjectRegistry()->Get<mirror::Object*>(thread_id); 43964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_peer == NULL || thread_peer == ObjectRegistry::kInvalidObject) { 440221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't even an object. 441221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_OBJECT; 442221229cb523f849f165fdafbf9785010963715daElliott Hughes } 443221229cb523f849f165fdafbf9785010963715daElliott Hughes 4442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* java_lang_Thread = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 445221229cb523f849f165fdafbf9785010963715daElliott Hughes if (!java_lang_Thread->IsAssignableFrom(thread_peer->GetClass())) { 446221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't a thread. 447221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_THREAD; 448221229cb523f849f165fdafbf9785010963715daElliott Hughes } 449221229cb523f849f165fdafbf9785010963715daElliott Hughes 450221229cb523f849f165fdafbf9785010963715daElliott Hughes thread = Thread::FromManagedThread(soa, thread_peer); 451221229cb523f849f165fdafbf9785010963715daElliott Hughes if (thread == NULL) { 452221229cb523f849f165fdafbf9785010963715daElliott Hughes // This is a java.lang.Thread without a Thread*. Must be a zombie. 453221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_THREAD_NOT_ALIVE; 454436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 455221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 456436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 457436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 45824437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic JDWP::JdwpTag BasicTagFromDescriptor(const char* descriptor) { 45924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // JDWP deliberately uses the descriptor characters' ASCII values for its enum. 46024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // Note that by "basic" we mean that we don't get more specific than JT_OBJECT. 46124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return static_cast<JDWP::JdwpTag>(descriptor[0]); 46224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 46324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 464cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogersstatic JDWP::JdwpTag BasicTagFromClass(mirror::Class* klass) 465cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 466cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 467cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = klass->GetDescriptor(&temp); 468cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers return BasicTagFromDescriptor(descriptor); 469cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers} 470cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers 4719837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromClass(const ScopedObjectAccessUnchecked& soa, mirror::Class* c) 472b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 47386b0010c79ef95b5333cd540b7d3af34a9f1a643Elliott Hughes CHECK(c != NULL); 47424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsArrayClass()) { 47524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_ARRAY; 47624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 47724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsStringClass()) { 47824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_STRING; 4799837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4809837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (c->IsClassClass()) { 48124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_CLASS_OBJECT; 48224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 4839837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4849837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 4859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_class->IsAssignableFrom(c)) { 4869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD; 4879837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4889837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4899837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4909837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_group_class = 4919837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 4929837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_group_class->IsAssignableFrom(c)) { 4939837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD_GROUP; 4949837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4959837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4969837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4979837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* class_loader_class = 4989837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader); 4999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (class_loader_class->IsAssignableFrom(c)) { 5009837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_CLASS_LOADER; 5019837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 5029837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 5039837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_OBJECT; 50424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 50524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 50624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes/* 50724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Objects declared to hold Object might actually hold a more specific 50824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * type. The debugger may take a special interest in these (e.g. it 50924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * wants to display the contents of Strings), so we want to return an 51024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * appropriate tag. 51124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * 51224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Null objects are tagged JT_OBJECT. 51324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes */ 514d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::JdwpTag Dbg::TagFromObject(const ScopedObjectAccessUnchecked& soa, mirror::Object* o) { 5159837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return (o == NULL) ? JDWP::JT_OBJECT : TagFromClass(soa, o->GetClass()); 51624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 51724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 51824437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic bool IsPrimitiveTag(JDWP::JdwpTag tag) { 51924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes switch (tag) { 52024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BOOLEAN: 52124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BYTE: 52224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_CHAR: 52324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_FLOAT: 52424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_DOUBLE: 52524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_INT: 52624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_LONG: 52724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_SHORT: 52824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_VOID: 52924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return true; 53024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes default: 53124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return false; 53224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 53324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 53424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 5353bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 5363bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Handle one of the JDWP name/value pairs. 5373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * JDWP options are: 5393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * help: if specified, show help message and bail 5403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * transport: may be dt_socket or dt_shmem 5413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * address: for dt_socket, "host:port", or just "port" when listening 5423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * server: if "y", wait for debugger to attach; if "n", attach to debugger 5433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * timeout: how long to wait for debugger to connect / listen 5443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5453bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Useful with server=n (these aren't supported yet): 5463bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onthrow=<exception-name>: connect to debugger when exception thrown 5473bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onuncaught=y|n: connect to debugger when uncaught exception thrown 5483bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * launch=<command-line>: launch the debugger itself 5493bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5503bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * The "transport" option is required, as is "address" if server=n. 5513bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 5523bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool ParseJdwpOption(const std::string& name, const std::string& value) { 5533bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (name == "transport") { 5543bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "dt_socket") { 555376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportSocket; 5563bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "dt_android_adb") { 557376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportAndroidAdb; 5583bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5593bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP transport not supported: " << value; 5603bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5613bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5623bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "server") { 5633bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 564376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = false; 5653bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 566376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = true; 5673bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5683bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'server' must be 'y' or 'n'"; 5693bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5703bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5713bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "suspend") { 5723bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 573376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = false; 5743bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 575376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = true; 5763bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5773bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'suspend' must be 'y' or 'n'"; 5783bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5793bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5803bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "address") { 5813bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* this is either <port> or <host>:<port> */ 5823bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string port_string; 583376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host.clear(); 5843bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type colon = value.find(':'); 5853bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (colon != std::string::npos) { 586376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host = value.substr(0, colon); 5873bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value.substr(colon + 1); 5883bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5893bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value; 5903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (port_string.empty()) { 5923bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address missing port: " << value; 5933bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5943bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5953bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes char* end; 596ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes uint64_t port = strtoul(port_string.c_str(), &end, 10); 597ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (*end != '\0' || port > 0xffff) { 5983bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address has junk in port field: " << value; 5993bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6003bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 601376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.port = port; 6023bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "launch" || name == "onthrow" || name == "oncaught" || name == "timeout") { 6033bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* valid but unsupported */ 6043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring JDWP option '" << name << "'='" << value << "'"; 6053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 6063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring unrecognized JDWP option '" << name << "'='" << value << "'"; 6073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6093bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 6103bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 6113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6123bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 6133bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Parse the latter half of a -Xrunjdwp/-agentlib:jdwp= string, e.g.: 6143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * "transport=dt_socket,address=8000,server=y,suspend=n" 6153bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 6163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesbool Dbg::ParseJdwpOptions(const std::string& options) { 6174dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "ParseJdwpOptions: " << options; 61847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 6193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::vector<std::string> pairs; 6203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Split(options, ',', pairs); 6213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes for (size_t i = 0; i < pairs.size(); ++i) { 6233bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type equals = pairs[i].find('='); 6243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (equals == std::string::npos) { 6253bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Can't parse JDWP option '" << pairs[i] << "' in '" << options << "'"; 6263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6273bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes ParseJdwpOption(pairs[i].substr(0, equals), pairs[i].substr(equals + 1)); 6293bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 631376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpOptions.transport == JDWP::kJdwpTransportUnknown) { 6323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP transport: " << options; 6333bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 634376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpOptions.server && (gJdwpOptions.host.empty() || gJdwpOptions.port == 0)) { 6353bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP host and port when server=n: " << options; 6363bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gJdwpConfigured = true; 6403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 6413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 6423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 643d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StartJdwp() { 644c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!gJdwpAllowed || !IsJdwpConfigured()) { 645376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes // No JDWP for you! 646376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes return; 647376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes } 648376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes 649719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers CHECK(gRegistry == nullptr); 650475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gRegistry = new ObjectRegistry; 651475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 652d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // Init JDWP if the debugger is enabled. This may connect out to a 653d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger, passively listen for a debugger, or block waiting for a 654d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger. 655376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpState = JDWP::JdwpState::Create(&gJdwpOptions); 656376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState == NULL) { 657f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // We probably failed because some other process has the port already, which means that 658f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // if we don't abort the user is likely to think they're talking to us when they're actually 659f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // talking to that other process. 6603d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Debugger thread failed to initialize"; 661d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 662d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes 663d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // If a debugger has already attached, send the "welcome" message. 664d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // This may cause us to suspend all threads. 665376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState->IsActive()) { 66600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 667376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpState->PostVMStart()) { 6683d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(WARNING) << "Failed to post 'start' message to debugger"; 669d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 670d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 671872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 672872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 673d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StopJdwp() { 674d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz // Post VM_DEATH event before the JDWP connection is closed (either by the JDWP thread or the 675d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz // destruction of gJdwpState). 676d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz if (gJdwpState != nullptr && gJdwpState->IsActive()) { 677d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz gJdwpState->PostVMDeath(); 678d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz } 6790376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz // Prevent the JDWP thread from processing JDWP incoming packets after we close the connection. 6800376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz Disposed(); 681376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes delete gJdwpState; 682719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gJdwpState = nullptr; 683475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes delete gRegistry; 684719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gRegistry = nullptr; 685872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 686872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 687767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesvoid Dbg::GcDidFinish() { 688767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpifWhen != HPIF_WHEN_NEVER) { 68900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6904d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Sending heap info to DDM"; 6917162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(gDdmHpifWhen); 692767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 693767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpsgWhen != HPSG_WHEN_NEVER) { 69400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6954d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping heap to DDM"; 6966a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(false); 697767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 698767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmNhsgWhen != HPSG_WHEN_NEVER) { 69900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 7004d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping native heap to DDM"; 7016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(true); 702767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 703767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 704767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 7054ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesvoid Dbg::SetJdwpAllowed(bool allowed) { 7064ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes gJdwpAllowed = allowed; 7074ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes} 7084ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 709872d4ec7225444d9400d30f9027247deb91012fdElliott HughesDebugInvokeReq* Dbg::GetInvokeReq() { 710475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return Thread::Current()->GetInvokeReq(); 711475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 712475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 713475fc23a4a7f35d1be87ea0b06c80df317a720acElliott HughesThread* Dbg::GetDebugThread() { 714475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return (gJdwpState != NULL) ? gJdwpState->GetDebugThread() : NULL; 715475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 716475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 717475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::ClearWaitForEventThread() { 718475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gJdwpState->ClearWaitForEventThread(); 719872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 720872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 721872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Connected() { 7223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(!gDebuggerConnected); 7234dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "JDWP has attached"; 7243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gDebuggerConnected = true; 7258696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = false; 7268696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7278696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 7288696433d1b3d8ba15288483b777edd888de69135Elliott Hughesvoid Dbg::Disposed() { 7298696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = true; 7308696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7318696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 7328696433d1b3d8ba15288483b777edd888de69135Elliott Hughesbool Dbg::IsDisposed() { 7338696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return gDisposed; 734872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 735872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 736f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzbool Dbg::RequiresDeoptimization() { 737f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // We don't need deoptimization if everything runs with interpreter after 738f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // enabling -Xint mode. 739f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return !Runtime::Current()->GetInstrumentation()->IsForcedInterpretOnly(); 740f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz} 741f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz 742a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::GoActive() { 743a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Enable all debugging features, including scans for breakpoints. 744a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // This is a no-op if we're already active. 745a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Only called from the JDWP handler thread. 746a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (gDebuggerActive) { 747a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 748a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 749a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 750c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes { 751c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes // TODO: dalvik only warned if there were breakpoints left over. clear in Dbg::Disconnected? 75259d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz ReaderMutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 753c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes CHECK_EQ(gBreakpoints.size(), 0U); 754c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes } 755a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 756138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 757f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 7584d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(deoptimization_requests_.size(), 0U); 7594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(full_deoptimization_event_count_, 0U); 7607ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz CHECK_EQ(delayed_full_undeoptimization_count_, 0U); 76142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(dex_pc_change_event_ref_count_, 0U); 76242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_enter_event_ref_count_, 0U); 76342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_exit_event_ref_count_, 0U); 76442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_read_event_ref_count_, 0U); 76542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_write_event_ref_count_, 0U); 76642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(exception_catch_event_ref_count_, 0U); 767138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 768138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 76962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 77062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 77162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 77262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 77362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_NE(old_state, kRunnable); 774f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (RequiresDeoptimization()) { 775f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz runtime->GetInstrumentation()->EnableDeoptimization(); 776f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 77742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 778a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes gDebuggerActive = true; 77962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 78062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 78162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 78262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(INFO) << "Debugger is active"; 783872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 784872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 785872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Disconnected() { 786234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes CHECK(gDebuggerConnected); 787234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 788c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes LOG(INFO) << "Debugger is no longer active"; 789234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 79062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Suspend all threads and exclusively acquire the mutator lock. Set the state of the thread 79162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // to kRunnable to avoid scoped object access transitions. Remove the debugger as a listener 79262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // and clear the object registry. 79362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 79462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 79562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 79662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 797aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz 798aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Debugger may not be active at this point. 799aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz if (gDebuggerActive) { 800aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz { 801aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Since we're going to disable deoptimization, we clear the deoptimization requests queue. 802aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // This prevents us from having any pending deoptimization request when the debugger attaches 803aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // to us again while no event has been requested yet. 804f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 8054d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 8064d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz full_deoptimization_event_count_ = 0U; 8077ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz delayed_full_undeoptimization_count_ = 0U; 808aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 80942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (instrumentation_events_ != 0) { 81042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz runtime->GetInstrumentation()->RemoveListener(&gDebugInstrumentationListener, 81142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_); 81242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 81342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 814f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (RequiresDeoptimization()) { 815f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz runtime->GetInstrumentation()->DisableDeoptimization(); 816f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 817aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz gDebuggerActive = false; 818aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 819234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gRegistry->Clear(); 820234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gDebuggerConnected = false; 82162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 82262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 823872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 824872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 825c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsDebuggerActive() { 8263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gDebuggerActive; 827872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 828872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 829c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsJdwpConfigured() { 8303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gJdwpConfigured; 831872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 832872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 833872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesint64_t Dbg::LastDebuggerActivity() { 834ca9515205010099d006ac2fac244348a1e673dcbElliott Hughes return gJdwpState->LastDebuggerActivity(); 835872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 836872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 837872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::UndoDebuggerSuspensions() { 838234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 839872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 840872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 84188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetClassName(JDWP::RefTypeId class_id) { 8422dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(class_id); 8433d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (o == NULL) { 844436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return "NULL"; 8457b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 84664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 84788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return StringPrintf("invalid object %p", reinterpret_cast<void*>(class_id)); 8483d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8493d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (!o->IsClass()) { 8507934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return StringPrintf("non-class %p", o); // This is only used for debugging output anyway. 8513d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 852d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return GetClassName(o->AsClass()); 853d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 854d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 855d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzstd::string Dbg::GetClassName(mirror::Class* klass) { 856bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (klass == nullptr) { 857bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return "NULL"; 858bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 859cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 860d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return DescriptorToName(klass->GetDescriptor(&temp)); 8613d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes} 8623d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 86388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId& class_object_id) { 864436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 8652dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 866436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 867436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 8682435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 86988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes class_object_id = gRegistry->Add(c); 870436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 8718696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 8728696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 87388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId& superclass_id) { 8743d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 8752dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 8763d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c == NULL) { 8773d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 8783d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8793d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c->IsInterface()) { 8803d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes // http://code.google.com/p/android/issues/detail?id=20856 88188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = 0; 8823d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } else { 88388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = gRegistry->Add(c->GetSuperClass()); 8843d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8853d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 886872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 887872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 888436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 8892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 89064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 891436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 892436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 893436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(o->GetClass()->GetClassLoader())); 894436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 895872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 896872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 897436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 898436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 8992dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 900436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 901436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 9027b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 903436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 904436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes uint32_t access_flags = c->GetAccessFlags() & kAccJavaFlagsMask; 905436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 906de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // Set ACC_SUPER. Dex files don't contain this flag but only classes are supposed to have it set, 907de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // not interfaces. 908436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes // Class.getModifiers doesn't return it, but JDWP does, so we set it here. 909de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban if ((access_flags & kAccInterface) == 0) { 910de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban access_flags |= kAccSuper; 911de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban } 912436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 913436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAdd4BE(pReply, access_flags); 914436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 915436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 916872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 917872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 918f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott HughesJDWP::JdwpError Dbg::GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) 919f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 9202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 92164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 922f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 923f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 924f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 925f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes // Ensure all threads are suspended while we read objects' lock words. 926f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes Thread* self = Thread::Current(); 9275426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 9285426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromRunnableToSuspended(kSuspended); 9295426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->SuspendAll(); 930f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 931f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes MonitorInfo monitor_info(o); 932f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 9335426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->ResumeAll(); 9345426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromSuspendedToRunnable(); 935f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 936d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers if (monitor_info.owner_ != NULL) { 937d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.owner_->GetPeer())); 938f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else { 939f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes expandBufAddObjectId(reply, gRegistry->Add(NULL)); 940f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 941d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.entry_count_); 942d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.waiters_.size()); 943d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers for (size_t i = 0; i < monitor_info.waiters_.size(); ++i) { 944d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.waiters_[i]->GetPeer())); 945f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 946f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_NONE; 947f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes} 948f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 949734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott HughesJDWP::JdwpError Dbg::GetOwnedMonitors(JDWP::ObjectId thread_id, 950734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<JDWP::ObjectId>& monitors, 95152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz std::vector<uint32_t>& stack_depths) { 9524993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes struct OwnedMonitorVisitor : public StackVisitor { 953b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi OwnedMonitorVisitor(Thread* thread, Context* context, 954cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::vector<JDWP::ObjectId>* monitor_vector, 955b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi std::vector<uint32_t>* stack_depth_vector) 9564993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 957b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi : StackVisitor(thread, context), current_stack_depth(0), 958b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi monitors(monitor_vector), stack_depths(stack_depth_vector) {} 9594993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 9604993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 9614993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // annotalysis. 9624993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 9634993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!GetMethod()->IsRuntimeMethod()) { 9644993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Monitor::VisitLocks(this, AppendOwnedMonitors, this); 965734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes ++current_stack_depth; 9664993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9674993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return true; 9684993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9694993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 970cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi static void AppendOwnedMonitors(mirror::Object* owned_monitor, void* arg) 971cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 9727a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor* visitor = reinterpret_cast<OwnedMonitorVisitor*>(arg); 973cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi visitor->monitors->push_back(gRegistry->Add(owned_monitor)); 974b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi visitor->stack_depths->push_back(visitor->current_stack_depth); 9754993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9764993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 977734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes size_t current_stack_depth; 978cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::vector<JDWP::ObjectId>* monitors; 979b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi std::vector<uint32_t>* stack_depths; 9804993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes }; 9814993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 982b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 983cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi Thread* thread; 984b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 985b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 986b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 987b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (error != JDWP::ERR_NONE) { 988b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return error; 989b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 990b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (!IsSuspendedForDebugger(soa, thread)) { 991b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return JDWP::ERR_THREAD_NOT_SUSPENDED; 992b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 9934993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 994cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::unique_ptr<Context> context(Context::Create()); 995cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi OwnedMonitorVisitor visitor(thread, context.get(), &monitors, &stack_depths); 996cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi visitor.WalkStack(); 9974993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_NONE; 9984993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes} 9994993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 100052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetContendedMonitor(JDWP::ObjectId thread_id, 100152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId& contended_monitor) { 1002b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::Object* contended_monitor_obj; 1003f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 1004b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 1005b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1006b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi Thread* thread; 1007b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1008b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (error != JDWP::ERR_NONE) { 1009b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return error; 1010b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 1011b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (!IsSuspendedForDebugger(soa, thread)) { 1012b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return JDWP::ERR_THREAD_NOT_SUSPENDED; 1013b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 1014b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi contended_monitor_obj = Monitor::GetContendedMonitor(thread); 1015f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 1016b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi // Add() requires the thread_list_lock_ not held to avoid the lock 1017b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi // level violation. 1018b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi contended_monitor = gRegistry->Add(contended_monitor_obj); 1019f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 1020f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 1021f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 1022ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott HughesJDWP::JdwpError Dbg::GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, 1023ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes std::vector<uint64_t>& counts) 1024ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1025412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1026412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 1028ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.clear(); 1029ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes for (size_t i = 0; i < class_ids.size(); ++i) { 1030ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes JDWP::JdwpError status; 10312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_ids[i], status); 1032ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes if (c == NULL) { 1033ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return status; 1034ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 1035ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes classes.push_back(c); 1036ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.push_back(0); 1037ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 1038412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CountInstances(classes, false, &counts[0]); 1039ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return JDWP::ERR_NONE; 1040ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes} 1041ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes 10423b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott HughesJDWP::JdwpError Dbg::GetInstances(JDWP::RefTypeId class_id, int32_t max_count, std::vector<JDWP::ObjectId>& instances) 10433b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1044412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1045412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier // We only want reachable instances, so do a GC. 1046412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10473b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes JDWP::JdwpError status; 10482dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1049412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (c == nullptr) { 10503b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return status; 10513b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 10522dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 10533b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes Runtime::Current()->GetHeap()->GetInstances(c, max_count, raw_instances); 10543b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 10553b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes instances.push_back(gRegistry->Add(raw_instances[i])); 10563b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 10573b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return JDWP::ERR_NONE; 10583b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes} 10593b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes 10600cbaff584244ee767027aff35cd3c625aaee2994Elliott HughesJDWP::JdwpError Dbg::GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, 10610cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes std::vector<JDWP::ObjectId>& referring_objects) 10620cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1063412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1064412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10652dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 106664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 10670cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 10680cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 10692dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 1070412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->GetReferringObjects(o, max_count, raw_instances); 10710cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 10720cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes referring_objects.push_back(gRegistry->Add(raw_instances[i])); 10730cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 10740cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_NONE; 10750cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes} 10760cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes 107764f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::DisableCollection(JDWP::ObjectId object_id) 107864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1079e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1080e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 1081e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 1082e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 108364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisableCollection(object_id); 108464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 108564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 108664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 108764f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::EnableCollection(JDWP::ObjectId object_id) 108864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1089e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1090e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // Unlike DisableCollection, JDWP specs do not state an invalid object causes an error. The RI 1091e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // also ignores these cases and never return an error. However it's not obvious why this command 1092e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // should behave differently from DisableCollection and IsCollected commands. So let's be more 1093e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // strict and return an error if this happens. 1094e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 1095e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 1096e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 109764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->EnableCollection(object_id); 109864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 109964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 110064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 110164f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::IsCollected(JDWP::ObjectId object_id, bool& is_collected) 110264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 110365637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz if (object_id == 0) { 110465637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // Null object id is invalid. 110565637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 110665637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } 1107e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // JDWP specs state an INVALID_OBJECT error is returned if the object ID is not valid. However 110865637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // the RI seems to ignore this and assume object has been collected. 110965637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1110e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 111165637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = true; 111265637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } else { 111365637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = gRegistry->IsCollected(object_id); 1114e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 111564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 111664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 111764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 111864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughesvoid Dbg::DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) 111964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 112064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisposeObject(object_id, reference_count); 112164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 112264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 1123d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::JdwpTypeTag Dbg::GetTypeTag(mirror::Class* klass) { 11244d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz DCHECK(klass != nullptr); 11254d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz if (klass->IsArrayClass()) { 11264d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_ARRAY; 11274d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else if (klass->IsInterface()) { 11284d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_INTERFACE; 11294d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else { 11304d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_CLASS; 11314d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } 11324d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz} 11334d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz 113488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1135436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1137436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1138436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11397b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1140436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 11414d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(c); 11424d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz expandBufAdd1(pReply, type_tag); 114388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes expandBufAddRefTypeId(pReply, class_id); 1144436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1145872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1146872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 11477b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughesvoid Dbg::GetClassList(std::vector<JDWP::RefTypeId>& classes) { 1148a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Get the complete list of reference classes (i.e. all classes except 1149a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // the primitive types). 1150a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Returns a newly-allocated buffer full of RefTypeId values. 1151a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes struct ClassListCreator { 1152ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes explicit ClassListCreator(std::vector<JDWP::RefTypeId>& classes) : classes(classes) { 11537b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 11547b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 11552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static bool Visit(mirror::Class* c, void* arg) { 1156a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return reinterpret_cast<ClassListCreator*>(arg)->Visit(c); 1157a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1158a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 115964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 116064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 116164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool Visit(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS { 1162a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (!c->IsPrimitive()) { 116364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes classes.push_back(gRegistry->AddRefType(c)); 1164a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1165a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return true; 1166a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1167a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 11687b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes std::vector<JDWP::RefTypeId>& classes; 1169a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 1170a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 11717b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes ClassListCreator clc(classes); 117295795e286145a4aece5c4a095fa2e7e88ee2115aSebastien Hertz Runtime::Current()->GetClassLinker()->VisitClassesWithoutClassesLock(ClassListCreator::Visit, 117395795e286145a4aece5c4a095fa2e7e88ee2115aSebastien Hertz &clc); 1174872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1175872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1176cb6b0f31ede2275e79e6199ec391147585a37a2aIan RogersJDWP::JdwpError Dbg::GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, 1177cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers uint32_t* pStatus, std::string* pDescriptor) { 1178436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11792dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1180436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1181436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11827b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 11837b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 1184a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 1185a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 1186a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = JDWP::TT_ARRAY; 1187a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1188a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsErroneous()) { 1189a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_ERROR; 1190a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1191a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED | JDWP::CS_INITIALIZED; 1192a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1193a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = c->IsInterface() ? JDWP::TT_INTERFACE : JDWP::TT_CLASS; 1194a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1195a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 1196a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (pDescriptor != NULL) { 1197cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 1198cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers *pDescriptor = c->GetDescriptor(&temp); 1199a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1200436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1201872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1202872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1203c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughesvoid Dbg::FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>& ids) { 12042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 12056fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes Runtime::Current()->GetClassLinker()->LookupClasses(descriptor, classes); 12066fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.clear(); 12076fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes for (size_t i = 0; i < classes.size(); ++i) { 12086fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.push_back(gRegistry->Add(classes[i])); 12096fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes } 1210872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1211872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 121264f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) 121364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 12142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 121564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 12162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 12172435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 12182435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 12194d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(o->GetClass()); 122064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId type_id = gRegistry->AddRefType(o->GetClass()); 12212435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 12222435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd1(pReply, type_tag); 12232435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAddRefTypeId(pReply, type_id); 12242435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 12252435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1226872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1227872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1228fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan RogersJDWP::JdwpError Dbg::GetSignature(JDWP::RefTypeId class_id, std::string* signature) { 12291fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes JDWP::JdwpError status; 12302dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 12311fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes if (c == NULL) { 12321fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return status; 12337b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1234cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 1235cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers *signature = c->GetDescriptor(&temp); 12361fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return JDWP::ERR_NONE; 1237872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1238872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 123988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSourceFile(JDWP::RefTypeId class_id, std::string& result) { 1240436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 12412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 12424206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz if (c == nullptr) { 1243436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 12447b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 12454206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz const char* source_file = c->GetSourceFile(); 12464206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz if (source_file == nullptr) { 1247b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz return JDWP::ERR_ABSENT_INFORMATION; 1248b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz } 12494206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz result = source_file; 1250436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1251872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1252872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 125388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetObjectTag(JDWP::ObjectId object_id, uint8_t& tag) { 12549837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 12552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 125664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1257546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1258546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 12599837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag = TagFromObject(soa, o); 1260546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_NONE; 1261872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1262872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1263aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughessize_t Dbg::GetTagWidth(JDWP::JdwpTag tag) { 1264dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes switch (tag) { 1265dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_VOID: 1266dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 0; 1267dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BYTE: 1268dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BOOLEAN: 1269dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 1; 1270dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CHAR: 1271dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_SHORT: 1272dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 2; 1273dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_FLOAT: 1274dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_INT: 1275dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 4; 1276dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_ARRAY: 1277dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_OBJECT: 1278dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_STRING: 1279dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD: 1280dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD_GROUP: 1281dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_LOADER: 1282dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_OBJECT: 1283dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return sizeof(JDWP::ObjectId); 1284dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_DOUBLE: 1285dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_LONG: 1286dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 8; 1287dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes default: 12883d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Unknown tag " << tag; 1289dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return -1; 1290dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1291872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1292872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 129388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetArrayLength(JDWP::ObjectId array_id, int& length) { 12943d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 12952dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 12963d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (a == NULL) { 12973d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 129824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 12993d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes length = a->GetLength(); 13003d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1301872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1302872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 130388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputArray(JDWP::ObjectId array_id, int offset, int count, JDWP::ExpandBuf* pReply) { 13043d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 13052dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 13069837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (a == nullptr) { 13073d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 13083d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 130924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 131024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (offset < 0 || count < 0 || offset > a->GetLength() || a->GetLength() - offset < count) { 131124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 13123d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 131324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 1314cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers JDWP::JdwpTag element_tag = BasicTagFromClass(a->GetClass()->GetComponentType()); 1315cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers expandBufAdd1(pReply, element_tag); 13163d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd4BE(pReply, count); 13173d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 1318cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (IsPrimitiveTag(element_tag)) { 1319cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers size_t width = GetTagWidth(element_tag); 132024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes uint8_t* dst = expandBufAddSpace(pReply, count * width); 132124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (width == 8) { 1322ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint64_t* src8 = reinterpret_cast<uint64_t*>(a->GetRawData(sizeof(uint64_t), 0)); 132324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write8BE(&dst, src8[offset + i]); 132424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 4) { 1325ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint32_t* src4 = reinterpret_cast<uint32_t*>(a->GetRawData(sizeof(uint32_t), 0)); 132624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write4BE(&dst, src4[offset + i]); 132724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 2) { 1328ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint16_t* src2 = reinterpret_cast<uint16_t*>(a->GetRawData(sizeof(uint16_t), 0)); 132924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write2BE(&dst, src2[offset + i]); 133024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 1331ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint8_t* src = reinterpret_cast<uint8_t*>(a->GetRawData(sizeof(uint8_t), 0)); 133224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes memcpy(dst, &src[offset * width], count * width); 133324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 133424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 13359837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 13362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* oa = a->AsObjectArray<mirror::Object>(); 133724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) { 13382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* element = oa->Get(offset + i); 13399837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag specific_tag = (element != nullptr) ? TagFromObject(soa, element) 1340cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers : element_tag; 134124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAdd1(pReply, specific_tag); 134224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(element)); 134324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 134424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 134524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 13463d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1347872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1348872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1349ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate <typename T> 1350ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic void CopyArrayData(mirror::Array* a, JDWP::Request& src, int offset, int count) 1351ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers NO_THREAD_SAFETY_ANALYSIS { 1352ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // TODO: fix when annotalysis correctly handles non-member functions. 13534b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes DCHECK(a->GetClass()->IsPrimitiveArray()); 13544b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 1355ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers T* dst = reinterpret_cast<T*>(a->GetRawData(sizeof(T), offset)); 13564b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes for (int i = 0; i < count; ++i) { 13574b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes *dst++ = src.ReadValue(sizeof(T)); 13584b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes } 13594b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes} 13604b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 136188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetArrayElements(JDWP::ObjectId array_id, int offset, int count, 13624b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::Request& request) 1363b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 13643d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 13654b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::Array* dst = DecodeArray(array_id, status); 13664b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (dst == NULL) { 13673d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 13683d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 1369f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 13704b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (offset < 0 || count < 0 || offset > dst->GetLength() || dst->GetLength() - offset < count) { 1371f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 13723d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 1373f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1374cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers JDWP::JdwpTag element_tag = BasicTagFromClass(dst->GetClass()->GetComponentType()); 1375f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 1376cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (IsPrimitiveTag(element_tag)) { 1377cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers size_t width = GetTagWidth(element_tag); 1378f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (width == 8) { 13794b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint64_t>(dst, request, offset, count); 1380f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 4) { 13814b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint32_t>(dst, request, offset, count); 1382f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 2) { 13834b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint16_t>(dst, request, offset, count); 1384f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 13854b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint8_t>(dst, request, offset, count); 1386f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1387f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 13884b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::ObjectArray<mirror::Object>* oa = dst->AsObjectArray<mirror::Object>(); 1389f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes for (int i = 0; i < count; ++i) { 13904b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::ObjectId id = request.ReadObjectId(); 13912dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 139264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1393436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1394436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 1395d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz oa->Set<false>(offset + i, o); 1396f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1397f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1398f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 13993d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1400872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1401872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 14027b3cdfcca472b779cf8745fb8460935e56229f11Elliott HughesJDWP::ObjectId Dbg::CreateString(const std::string& str) { 14032dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return gRegistry->Add(mirror::String::AllocFromModifiedUtf8(Thread::Current(), str.c_str())); 1404872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1405872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 140688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId& new_object) { 1407436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14082dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1409436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1410436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14117b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 141250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers new_object = gRegistry->Add(c->AllocObject(Thread::Current())); 1413436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1414872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1415872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1416bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes/* 1417bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes * Used by Eclipse's "Display" view to evaluate "new byte[5]" to get "(byte[]) [0, 0, 0, 0, 0]". 1418bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes */ 141988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, 142000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId& new_array) { 1421436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(array_class_id, status); 1423436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1424436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14257b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 14266fac447555dc94a935b78198479cce645c837b89Ian Rogers new_array = gRegistry->Add(mirror::Array::Alloc<true>(Thread::Current(), c, length, 14276fac447555dc94a935b78198479cce645c837b89Ian Rogers c->GetComponentSize(), 14286fac447555dc94a935b78198479cce645c837b89Ian Rogers Runtime::Current()->GetHeap()->GetCurrentAllocator())); 1429436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1430872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1431872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1432d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::FieldId Dbg::ToFieldId(const mirror::ArtField* f) { 1433590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 143403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::FieldId>(reinterpret_cast<uintptr_t>(f)); 143503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 143603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1437ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::MethodId ToMethodId(const mirror::ArtMethod* m) 1438b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1439590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 144003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::MethodId>(reinterpret_cast<uintptr_t>(m)); 144103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 144203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1443ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtField* FromFieldId(JDWP::FieldId fid) 1444b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1445590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 1446ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtField*>(static_cast<uintptr_t>(fid)); 1447aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes} 1448aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1449ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtMethod* FromMethodId(JDWP::MethodId mid) 1450b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1451590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 1452ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtMethod*>(static_cast<uintptr_t>(mid)); 145303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 145403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1455d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchThread(JDWP::ObjectId expected_thread_id, Thread* event_thread) { 1456d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz CHECK(event_thread != nullptr); 1457d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* expected_thread_peer = gRegistry->Get<mirror::Object*>(expected_thread_id); 1458d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return expected_thread_peer == event_thread->GetPeer(); 1459d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1460d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1461d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchLocation(const JDWP::JdwpLocation& expected_location, 1462d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz const JDWP::EventLocation& event_location) { 1463d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (expected_location.dex_pc != event_location.dex_pc) { 1464d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return false; 1465d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz } 1466d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::ArtMethod* m = FromMethodId(expected_location.method_id); 1467d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return m == event_location.method; 1468d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1469d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1470d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchType(mirror::Class* event_class, JDWP::RefTypeId class_id) { 1471bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (event_class == nullptr) { 1472bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return false; 1473bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 1474d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::JdwpError status; 1475d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Class* expected_class = DecodeClass(class_id, status); 1476d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz CHECK(expected_class != nullptr); 1477d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return expected_class->IsAssignableFrom(event_class); 1478d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1479d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1480d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchField(JDWP::RefTypeId expected_type_id, JDWP::FieldId expected_field_id, 1481d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::ArtField* event_field) { 1482d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::ArtField* expected_field = FromFieldId(expected_field_id); 1483d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (expected_field != event_field) { 1484d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return false; 1485d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz } 1486d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return Dbg::MatchType(event_field->GetDeclaringClass(), expected_type_id); 1487d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1488d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1489d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchInstance(JDWP::ObjectId expected_instance_id, mirror::Object* event_instance) { 1490d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* modifier_instance = gRegistry->Get<mirror::Object*>(expected_instance_id); 1491d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return modifier_instance == event_instance; 1492d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1493d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1494d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzvoid Dbg::SetJdwpLocation(JDWP::JdwpLocation* location, mirror::ArtMethod* m, uint32_t dex_pc) 1495b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1496d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (m == nullptr) { 1497bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz memset(location, 0, sizeof(*location)); 149891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } else { 14992dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = m->GetDeclaringClass(); 1500d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->type_tag = GetTypeTag(c); 1501d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->class_id = gRegistry->AddRefType(c); 1502d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->method_id = ToMethodId(m); 1503d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint64_t>(-1) : dex_pc; 150491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 1505d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes} 1506d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 1507a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetMethodName(JDWP::MethodId method_id) 1508b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1509ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1510bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (m == nullptr) { 1511bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return "NULL"; 1512bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 1513bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return m->GetName(); 1514872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1515872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1516a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetFieldName(JDWP::FieldId field_id) 1517a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1518bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz mirror::ArtField* f = FromFieldId(field_id); 1519bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (f == nullptr) { 1520bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return "NULL"; 1521bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 1522bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return f->GetName(); 1523a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes} 1524a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes 1525a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes/* 1526a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * Augment the access flags for synthetic methods and fields by setting 1527a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * the (as described by the spec) "0xf0000000 bit". Also, strip out any 1528a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * flags not specified by the Java programming language. 1529a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes */ 1530a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughesstatic uint32_t MangleAccessFlags(uint32_t accessFlags) { 1531a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags &= kAccJavaFlagsMask; 1532a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes if ((accessFlags & kAccSynthetic) != 0) { 1533a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags |= 0xf0000000; 1534a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1535a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return accessFlags; 1536872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1537872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1538dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes/* 1539b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come first. Debuggers 1540b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * expect slots to begin with arguments, but dex code places them at 1541b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * the end. 1542dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes */ 1543b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Haostatic uint16_t MangleSlot(uint16_t slot, mirror::ArtMethod* m) 1544b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1545bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1546cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1547cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1548cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1549cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to mangle slot for method without code " << PrettyMethod(m); 1550cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1551cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1552b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1553b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1554b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot >= locals_size) { 1555b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - locals_size; 1556b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1557b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + ins_size; 1558dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1559dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1560dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1561b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao/* 1562b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come last. Reverts 1563b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * slots to dex style argument placement. 1564b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao */ 1565ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic uint16_t DemangleSlot(uint16_t slot, mirror::ArtMethod* m) 1566b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1567bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1568cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1569cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1570cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1571cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to demangle slot for method without code " << PrettyMethod(m); 1572cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1573cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1574b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1575b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1576b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot < ins_size) { 1577b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + locals_size; 1578b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1579b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - ins_size; 1580dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1581dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1582dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 158388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredFields(JDWP::RefTypeId class_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1584436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 15852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1586436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1587436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 15887b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1589a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1590a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t instance_field_count = c->NumInstanceFields(); 1591a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t static_field_count = c->NumStaticFields(); 1592a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1593a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, instance_field_count + static_field_count); 1594a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1595a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < instance_field_count + static_field_count; ++i) { 1596ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = (i < instance_field_count) ? c->GetInstanceField(i) : c->GetStaticField(i - instance_field_count); 1597a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddFieldId(pReply, ToFieldId(f)); 159861c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier expandBufAddUtf8String(pReply, f->GetName()); 159961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier expandBufAddUtf8String(pReply, f->GetTypeDescriptor()); 1600c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1601a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1602a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1603a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1604a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(f->GetAccessFlags())); 1605a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1606436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1607a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1608a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 160988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredMethods(JDWP::RefTypeId class_id, bool with_generic, 161000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 1611436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 16122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1613436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1614436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 16157b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1616a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1617a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t direct_method_count = c->NumDirectMethods(); 1618a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t virtual_method_count = c->NumVirtualMethods(); 1619a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1620a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, direct_method_count + virtual_method_count); 1621a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1622a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < direct_method_count + virtual_method_count; ++i) { 1623ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = (i < direct_method_count) ? c->GetDirectMethod(i) : c->GetVirtualMethod(i - direct_method_count); 1624a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddMethodId(pReply, ToMethodId(m)); 1625bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier expandBufAddUtf8String(pReply, m->GetName()); 1626bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier expandBufAddUtf8String(pReply, m->GetSignature().ToString()); 1627c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1628a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1629a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1630a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1631a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(m->GetAccessFlags())); 1632a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1633436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1634a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1635a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 163688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredInterfaces(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1637436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 1638f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Thread* self = Thread::Current(); 1639f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 1640f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Handle<mirror::Class> c(hs.NewHandle(DecodeClass(class_id, status))); 1641f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier if (c.Get() == nullptr) { 1642436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 16437b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1644f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t interface_count = c->NumDirectInterfaces(); 1645a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, interface_count); 1646a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < interface_count; ++i) { 1647f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier expandBufAddRefTypeId(pReply, 1648f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier gRegistry->AddRefType(mirror::Class::GetDirectInterface(self, c, i))); 1649a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1650436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1651872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1652872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 165388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputLineTable(JDWP::RefTypeId, JDWP::MethodId method_id, JDWP::ExpandBuf* pReply) 1654b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 165503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes struct DebugCallbackContext { 165603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes int numItems; 165703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::ExpandBuf* pReply; 165803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 16592435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes static bool Callback(void* context, uint32_t address, uint32_t line_number) { 166003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 166103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pContext->pReply, address); 16622435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd4BE(pContext->pReply, line_number); 166303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes pContext->numItems++; 1664f2910eef247b45ce1d489e323b36b5de6b6157aaSebastien Hertz return false; 166503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 166603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 1667ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1668bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 166903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes uint64_t start, end; 1670cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1671cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DCHECK(m->IsNative() || m->IsProxyMethod()); 167203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = -1; 167303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes end = -1; 167403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } else { 167503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = 0; 167614f0db92225d34622fa5cb1a6dc9287334aaf6c7jeffhao // Return the index of the last instruction 1677cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz end = code_item->insns_size_in_code_units_ - 1; 167803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 167903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 168003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, start); 168103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, end); 168203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 168303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes // Add numLines later 168403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes size_t numLinesOffset = expandBufGetLength(pReply); 168503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd4BE(pReply, 0); 168603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 168703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext context; 168803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.numItems = 0; 168903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.pReply = pReply; 169003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1691cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1692bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 1693bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DebugCallbackContext::Callback, NULL, &context); 1694cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 169503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 169603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + numLinesOffset, context.numItems); 1697872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1698872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1699bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartiervoid Dbg::OutputVariableTable(JDWP::RefTypeId, JDWP::MethodId method_id, bool with_generic, 1700bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier JDWP::ExpandBuf* pReply) { 1701dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes struct DebugCallbackContext { 1702b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao mirror::ArtMethod* method; 1703dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes JDWP::ExpandBuf* pReply; 1704c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count; 1705c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes bool with_generic; 1706dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1707bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier static void Callback(void* context, uint16_t slot, uint32_t startAddress, uint32_t endAddress, 1708bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* name, const char* descriptor, const char* signature) 1709b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1710dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 1711dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1712bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier VLOG(jdwp) << StringPrintf(" %2zd: %d(%d) '%s' '%s' '%s' actual slot=%d mangled slot=%d", 1713bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier pContext->variable_count, startAddress, endAddress - startAddress, 1714bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier name, descriptor, signature, slot, 1715bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MangleSlot(slot, pContext->method)); 1716dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1717b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao slot = MangleSlot(slot, pContext->method); 171868fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 1719dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd8BE(pContext->pReply, startAddress); 1720dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, name); 1721dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, descriptor); 1722c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (pContext->with_generic) { 1723dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, signature); 1724dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1725dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, endAddress - startAddress); 1726dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, slot); 1727dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1728c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes ++pContext->variable_count; 1729dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1730dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes }; 1731ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1732dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1733c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // arg_count considers doubles and longs to take 2 units. 1734c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // variable_count considers everything to take 1 unit. 1735bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier std::string shorty(m->GetShorty()); 1736ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom expandBufAdd4BE(pReply, mirror::ArtMethod::NumArgRegisters(shorty)); 1737dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1738c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // We don't know the total number of variables yet, so leave a blank and update it later. 1739c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count_offset = expandBufGetLength(pReply); 1740dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pReply, 0); 1741dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1742dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext context; 1743b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao context.method = m; 1744dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes context.pReply = pReply; 1745c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.variable_count = 0; 1746c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.with_generic = with_generic; 1747dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1748bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1749cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1750bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo( 1751bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier code_item, m->IsStatic(), m->GetDexMethodIndex(), NULL, DebugCallbackContext::Callback, 1752bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier &context); 1753cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1754dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1755c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + variable_count_offset, context.variable_count); 1756872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1757872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1758579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, 1759579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::ExpandBuf* pReply) { 1760579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::ArtMethod* m = FromMethodId(method_id); 1761bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(m->GetShorty()); 1762579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao OutputJValue(tag, return_value, pReply); 1763579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1764579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 17653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::OutputFieldValue(JDWP::FieldId field_id, const JValue* field_value, 17663f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ExpandBuf* pReply) { 17673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* f = FromFieldId(field_id); 176861c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 17693f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OutputJValue(tag, field_value, pReply); 17703f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 17713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 17729777ba230c83a0edcbda2cf7b208339e77bf171bElliott HughesJDWP::JdwpError Dbg::GetBytecodes(JDWP::RefTypeId, JDWP::MethodId method_id, 17739777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes std::vector<uint8_t>& bytecodes) 17749777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1775ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 17769777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes if (m == NULL) { 17779777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_INVALID_METHODID; 17789777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 1779bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 17809777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes size_t byte_count = code_item->insns_size_in_code_units_ * 2; 17819777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* begin = reinterpret_cast<const uint8_t*>(code_item->insns_); 17829777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* end = begin + byte_count; 17839777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes for (const uint8_t* p = begin; p != end; ++p) { 17849777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes bytecodes.push_back(*p); 17859777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 17869777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_NONE; 17879777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes} 17889777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes 178988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetFieldBasicTag(JDWP::FieldId field_id) { 179061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier return BasicTagFromDescriptor(FromFieldId(field_id)->GetTypeDescriptor()); 1791872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1792872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 179388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetStaticFieldBasicTag(JDWP::FieldId field_id) { 179461c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier return BasicTagFromDescriptor(FromFieldId(field_id)->GetTypeDescriptor()); 1795872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1796872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 179788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError GetFieldValueImpl(JDWP::RefTypeId ref_type_id, JDWP::ObjectId object_id, 179888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::FieldId field_id, JDWP::ExpandBuf* pReply, 179900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool is_static) 1800b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 18010cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes JDWP::JdwpError status; 18022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(ref_type_id, status); 180388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes if (ref_type_id != 0 && c == NULL) { 18040cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return status; 18050cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18060cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 1807d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(object_id); 180864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 18093f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18103f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1811ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 18120cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 18132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* receiver_class = c; 18140cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class == NULL && o != NULL) { 18150cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes receiver_class = o->GetClass(); 18160cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18170cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we give up now if receiver_class is NULL? 18180cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class != NULL && !f->GetDeclaringClass()->IsAssignableFrom(receiver_class)) { 18190cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(INFO) << "ERR_INVALID_FIELDID: " << PrettyField(f) << " " << PrettyClass(receiver_class); 18203f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 18213f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1822aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 18230cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 18240cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 18250cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 18260cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 18270cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 18280cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18290cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 18300cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 18310cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 18320cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18330cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18340dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 18350dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 18360dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 18370cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 183861c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 1839579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JValue field_value; 1840579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_VOID) { 1841579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao LOG(FATAL) << "Unknown tag: " << tag; 1842579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (!IsPrimitiveTag(tag)) { 1843579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetL(f->GetObject(o)); 1844579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1845579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetJ(f->Get64(o)); 1846aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1847579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetI(f->Get32(o)); 1848aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1849579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::OutputJValue(tag, &field_value, pReply); 1850579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 18513f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_NONE; 1852872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1853872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 185488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, 185500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 185688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(0, object_id, field_id, pReply, false); 18573f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 18583f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 185988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetStaticFieldValue(JDWP::RefTypeId ref_type_id, JDWP::FieldId field_id, JDWP::ExpandBuf* pReply) { 186088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(ref_type_id, 0, field_id, pReply, true); 18613f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 18623f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 186388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError SetFieldValueImpl(JDWP::ObjectId object_id, JDWP::FieldId field_id, 186400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint64_t value, int width, bool is_static) 1865b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1866d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(object_id); 186764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 18683f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18693f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1870ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 18710cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 18720cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 18730cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 18740cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 18750cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 18760cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 18770cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18780cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 18790cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 18800cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 18810cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18823f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 18830dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 18840dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 18850dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 1886aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 188761c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 1888aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1889aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (IsPrimitiveTag(tag)) { 1890aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 18911bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_EQ(width, 8); 1892d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1893d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set64<false>(o, value); 1894aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 18951bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_LE(width, 4); 1896d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1897d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set32<false>(o, value); 1898aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1899aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1900d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* v = Dbg::GetObjectRegistry()->Get<mirror::Object*>(value); 190164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (v == ObjectRegistry::kInvalidObject) { 19023d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_OBJECT; 19033d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 19043f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (v != NULL) { 190561c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier mirror::Class* field_type; 190661c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier { 190761c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier StackHandleScope<3> hs(Thread::Current()); 190861c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::Object> h_v(hs.NewHandleWrapper(&v)); 190961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::ArtField> h_f(hs.NewHandleWrapper(&f)); 191061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::Object> h_o(hs.NewHandleWrapper(&o)); 191161c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier field_type = FieldHelper(h_f).GetType(); 191261c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier } 19133f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (!field_type->IsAssignableFrom(v->GetClass())) { 19143f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 19153f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 19163f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1917d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1918d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->SetObject<false>(o, v); 1919aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 19203d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 19213d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1922872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1923872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 192488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, uint64_t value, 192500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int width) { 192688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(object_id, field_id, value, width, false); 1927872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1928872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 192988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) { 193088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(0, field_id, value, width, true); 1931872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1932872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 193329259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien HertzJDWP::JdwpError Dbg::StringToUtf8(JDWP::ObjectId string_id, std::string* str) { 193429259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz mirror::Object* obj = gRegistry->Get<mirror::Object*>(string_id); 193529259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz if (obj == nullptr || obj == ObjectRegistry::kInvalidObject) { 193629259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 193729259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz } 193829259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz { 193929259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 194029259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz mirror::Class* java_lang_String = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_String); 194129259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz if (!java_lang_String->IsAssignableFrom(obj->GetClass())) { 194229259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz // This isn't a string. 194329259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz return JDWP::ERR_INVALID_STRING; 194429259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz } 194529259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz } 194629259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz *str = obj->AsString()->ToModifiedUtf8(); 194729259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz return JDWP::ERR_NONE; 1948872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1949872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1950579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) { 1951579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (IsPrimitiveTag(tag)) { 1952579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, tag); 1953579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_BOOLEAN || tag == JDWP::JT_BYTE) { 1954579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, return_value->GetI()); 1955579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_CHAR || tag == JDWP::JT_SHORT) { 1956579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd2BE(pReply, return_value->GetI()); 1957579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_FLOAT || tag == JDWP::JT_INT) { 1958579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd4BE(pReply, return_value->GetI()); 1959579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1960579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd8BE(pReply, return_value->GetJ()); 1961579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 1962579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao CHECK_EQ(tag, JDWP::JT_VOID); 1963579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1964579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 19659837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1966579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::Object* value = return_value->GetL(); 19679837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers expandBufAdd1(pReply, TagFromObject(soa, value)); 1968579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAddObjectId(pReply, gRegistry->Add(value)); 1969579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1970579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1971579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 1972221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadName(JDWP::ObjectId thread_id, std::string& name) { 1973a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao ScopedObjectAccessUnchecked soa(Thread::Current()); 1974a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1975221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1976221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1977221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE && error != JDWP::ERR_THREAD_NOT_ALIVE) { 1978221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1979a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1980221229cb523f849f165fdafbf9785010963715daElliott Hughes 1981221229cb523f849f165fdafbf9785010963715daElliott Hughes // We still need to report the zombie threads' names, so we can't just call Thread::GetThreadName. 19822dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 1983ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* java_lang_Thread_name_field = 19842dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.DecodeField(WellKnownClasses::java_lang_Thread_name); 19852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = 19862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers reinterpret_cast<mirror::String*>(java_lang_Thread_name_field->GetObject(thread_object)); 1987221229cb523f849f165fdafbf9785010963715daElliott Hughes if (s != NULL) { 1988221229cb523f849f165fdafbf9785010963715daElliott Hughes name = s->ToModifiedUtf8(); 1989221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1990221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1991872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1992872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1993221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 19945d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 19952dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 199664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_object == ObjectRegistry::kInvalidObject) { 19972435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 19982435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 19999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroup"); 20002435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Okay, so it's an object, but is it actually a thread? 2001b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error; 2002b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 2003b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2004b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi Thread* thread; 2005b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi error = DecodeThread(soa, thread_id, thread); 2006b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 2007221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 2008221229cb523f849f165fdafbf9785010963715daElliott Hughes // Zombie threads are in the null group. 2009221229cb523f849f165fdafbf9785010963715daElliott Hughes expandBufAddObjectId(pReply, JDWP::ObjectId(0)); 201052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz error = JDWP::ERR_NONE; 201152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz } else if (error == JDWP::ERR_NONE) { 201252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 201352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(c != nullptr); 201452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::ArtField* f = c->FindInstanceField("group", "Ljava/lang/ThreadGroup;"); 2015b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi CHECK(f != nullptr); 201652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Object* group = f->GetObject(thread_object); 2017b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi CHECK(group != nullptr); 201852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId thread_group_id = gRegistry->Add(group); 201952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz expandBufAddObjectId(pReply, thread_group_id); 20202435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 20219837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 202252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz return error; 2023872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2024872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 20255d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzstatic mirror::Object* DecodeThreadGroup(ScopedObjectAccessUnchecked& soa, 20265d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::ObjectId thread_group_id, JDWP::JdwpError* error) 20275d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20285d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = Dbg::GetObjectRegistry()->Get<mirror::Object*>(thread_group_id); 20295d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (thread_group == nullptr || thread_group == ObjectRegistry::kInvalidObject) { 20305d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz *error = JDWP::ERR_INVALID_OBJECT; 20315d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return nullptr; 20325d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20339837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 20349837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 20355d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (!c->IsAssignableFrom(thread_group->GetClass())) { 20365d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // This is not a java.lang.ThreadGroup. 20375d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz *error = JDWP::ERR_INVALID_THREAD_GROUP; 20385d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return nullptr; 20395d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20405d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz *error = JDWP::ERR_NONE; 20415d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return thread_group; 20425d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz} 20435d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20445d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::JdwpError Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id, JDWP::ExpandBuf* pReply) { 20455d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 20465d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::JdwpError error; 20475d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error); 20485d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (error != JDWP::ERR_NONE) { 20495d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return error; 20505d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20515d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupName"); 20525d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 2053ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("name", "Ljava/lang/String;"); 2054499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes CHECK(f != NULL); 20552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = reinterpret_cast<mirror::String*>(f->GetObject(thread_group)); 20569837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 20575d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20585d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::string thread_group_name(s->ToModifiedUtf8()); 20595d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddUtf8String(pReply, thread_group_name); 20605d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return JDWP::ERR_NONE; 2061872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2062872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 20635d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::JdwpError Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id, JDWP::ExpandBuf* pReply) { 20649837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 20655d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::JdwpError error; 20665d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error); 20675d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (error != JDWP::ERR_NONE) { 20685d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return error; 20695d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupParent"); 20719837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 20729837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 2073ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("parent", "Ljava/lang/ThreadGroup;"); 20744e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes CHECK(f != NULL); 20752dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* parent = f->GetObject(thread_group); 20769837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 20775d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20785d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::ObjectId parent_group_id = gRegistry->Add(parent); 20795d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddObjectId(pReply, parent_group_id); 20805d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return JDWP::ERR_NONE; 2081872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2082872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 20835d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzstatic void GetChildThreadGroups(ScopedObjectAccessUnchecked& soa, mirror::Object* thread_group, 20845d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::vector<JDWP::ObjectId>* child_thread_group_ids) 20855d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20865d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz CHECK(thread_group != nullptr); 20875d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20885d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Get the ArrayList<ThreadGroup> "groups" out of this thread group... 20895d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;"); 20905d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* groups_array_list = groups_field->GetObject(thread_group); 20915d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20925d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Get the array and size out of the ArrayList<ThreadGroup>... 20935d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;"); 20945d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I"); 20955d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ObjectArray<mirror::Object>* groups_array = 20965d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>(); 20975d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz const int32_t size = size_field->GetInt(groups_array_list); 20985d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20995d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Copy the first 'size' elements out of the array into the result. 21005d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ObjectRegistry* registry = Dbg::GetObjectRegistry(); 21015d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz for (int32_t i = 0; i < size; ++i) { 21025d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz child_thread_group_ids->push_back(registry->Add(groups_array->Get(i))); 21035d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21045d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz} 21055d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21065d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::JdwpError Dbg::GetThreadGroupChildren(JDWP::ObjectId thread_group_id, 21075d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::ExpandBuf* pReply) { 210800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 21095d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::JdwpError error; 21105d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error); 21115d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (error != JDWP::ERR_NONE) { 21125d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return error; 21135d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21145d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21155d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Add child threads. 21165d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz { 21175d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::vector<JDWP::ObjectId> child_thread_ids; 21185d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz GetThreads(thread_group, &child_thread_ids); 21195d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAdd4BE(pReply, child_thread_ids.size()); 21205d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz for (JDWP::ObjectId child_thread_id : child_thread_ids) { 21215d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddObjectId(pReply, child_thread_id); 21225d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21235d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21245d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21255d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Add child thread groups. 21265d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz { 21275d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::vector<JDWP::ObjectId> child_thread_groups_ids; 21285d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz GetChildThreadGroups(soa, thread_group, &child_thread_groups_ids); 21295d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAdd4BE(pReply, child_thread_groups_ids.size()); 21305d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz for (JDWP::ObjectId child_thread_group_id : child_thread_groups_ids) { 21315d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddObjectId(pReply, child_thread_group_id); 21325d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21335d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21345d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21355d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return JDWP::ERR_NONE; 2136872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2137872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 21385d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::ObjectId Dbg::GetSystemThreadGroupId() { 21395d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 21405d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup); 21412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 2142365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 2143872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2144872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2145920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff HaoJDWP::JdwpThreadStatus Dbg::ToJdwpThreadStatus(ThreadState state) { 2146920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao switch (state) { 2147920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kBlocked: 2148920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_MONITOR; 2149920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kNative: 2150920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kRunnable: 2151920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSuspended: 2152920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_RUNNING; 2153920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSleeping: 2154920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_SLEEPING; 2155920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kStarting: 2156920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTerminated: 2157920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 2158920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTimedWaiting: 2159bae182cbc6adc8796154162a87fc54ae804e0469Sebastien Hertz case kWaitingForCheckPointsToRun: 2160920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSend: 2161920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSuspension: 2162920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerToAttach: 2163138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz case kWaitingForDeoptimization: 2164920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForGcToComplete: 2165920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForJniOnLoad: 2166bae182cbc6adc8796154162a87fc54ae804e0469Sebastien Hertz case kWaitingForMethodTracingStart: 2167920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForSignalCatcherOutput: 2168920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainDebuggerLoop: 2169920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainSignalCatcherLoop: 2170920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingPerformingGc: 2171920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaiting: 2172920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_WAIT; 2173920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao // Don't add a 'default' here so the compiler can spot incompatible enum changes. 2174920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao } 2175920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao LOG(FATAL) << "Unknown thread state: " << state; 2176920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 2177920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao} 2178920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao 217952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetThreadStatus(JDWP::ObjectId thread_id, JDWP::JdwpThreadStatus* pThreadStatus, 218052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::JdwpSuspendStatus* pSuspendStatus) { 218100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2182499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 21839e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_NOT_SUSPENDED; 21849e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 218550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2186221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2187221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2188221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2189221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 2190221229cb523f849f165fdafbf9785010963715daElliott Hughes *pThreadStatus = JDWP::TS_ZOMBIE; 2191221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 2192221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2193221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2194499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes } 2195499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 21969e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (IsSuspendedForDebugger(soa, thread)) { 21979e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_SUSPENDED; 21989e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes } 219900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 2200920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao *pThreadStatus = ToJdwpThreadStatus(thread->GetState()); 2201221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 2202872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2203872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2204221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 220500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 220650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2207221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2208221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2209221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2210221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 22112435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 221250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 221300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers expandBufAdd4BE(pReply, thread->GetDebugSuspendCount()); 22142435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 2215872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2216872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2217f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott HughesJDWP::JdwpError Dbg::Interrupt(JDWP::ObjectId thread_id) { 2218f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccess soa(Thread::Current()); 2219f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2220f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 2221f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2222f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 2223f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 2224f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 2225dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers thread->Interrupt(soa.Self()); 2226f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 2227f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 2228f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 2229d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertzstatic bool IsInDesiredThreadGroup(ScopedObjectAccessUnchecked& soa, 2230d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::Object* desired_thread_group, mirror::Object* peer) 2231d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2232d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // Do we want threads from all thread groups? 2233d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (desired_thread_group == nullptr) { 2234d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz return true; 2235d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2236d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::ArtField* thread_group_field = soa.DecodeField(WellKnownClasses::java_lang_Thread_group); 2237d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz DCHECK(thread_group_field != nullptr); 2238d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::Object* group = thread_group_field->GetObject(peer); 2239d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz return (group == desired_thread_group); 2240d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz} 2241365c10235438607541fa2259a5fec48061b90bd8Ian Rogers 22425d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzvoid Dbg::GetThreads(mirror::Object* thread_group, std::vector<JDWP::ObjectId>* thread_ids) { 2243d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 2244d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz std::list<Thread*> all_threads_list; 2245d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz { 2246d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz MutexLock mu(Thread::Current(), *Locks::thread_list_lock_); 2247d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz all_threads_list = Runtime::Current()->GetThreadList()->GetList(); 2248d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2249d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz for (Thread* t : all_threads_list) { 2250d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (t == Dbg::GetDebugThread()) { 2251d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // Skip the JDWP thread. Some debuggers get bent out of shape when they can't suspend and 2252d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // query all threads, so it's easier if we just don't tell them about this thread. 2253d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz continue; 2254a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2255d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (t->IsStillStarting()) { 2256d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // This thread is being started (and has been registered in the thread list). However, it is 2257d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // not completely started yet so we must ignore it. 2258d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz continue; 2259a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2260d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::Object* peer = t->GetPeer(); 2261d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (peer == nullptr) { 2262d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // peer might be NULL if the thread is still starting up. We can't tell the debugger about 2263d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // this thread yet. 2264d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // TODO: if we identified threads to the debugger by their Thread* 2265d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // rather than their peer's mirror::Object*, we could fix this. 2266d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // Doing so might help us report ZOMBIE threads too. 2267d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz continue; 22680dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 2269d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (IsInDesiredThreadGroup(soa, thread_group, peer)) { 22705d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz thread_ids->push_back(gRegistry->Add(peer)); 2271d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2272d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2273a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes} 2274a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 22755d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzstatic int GetStackDepth(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 22760399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct CountStackDepthVisitor : public StackVisitor { 227793ba893c20532990a430741e0a97212900094e8cBrian Carlstrom explicit CountStackDepthVisitor(Thread* thread) 22787a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth(0) {} 22790399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 228064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 228164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 228264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 22830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!GetMethod()->IsRuntimeMethod()) { 2284f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes ++depth; 2285f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes } 2286530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 2287a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 2288a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t depth; 2289a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes }; 229008fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes 22917a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers CountStackDepthVisitor visitor(thread); 22920399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2293a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return visitor.depth; 2294872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2295872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2296221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadFrameCount(JDWP::ObjectId thread_id, size_t& result) { 229700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2298a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2299221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2300221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2301221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2302221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2303221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2304f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2305f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2306f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 2307221229cb523f849f165fdafbf9785010963715daElliott Hughes result = GetStackDepth(thread); 2308221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 23098696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 23108696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2311306057fd278d75bf3794bd5243a3b6652c487d18Ian RogersJDWP::JdwpError Dbg::GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, 2312306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers size_t frame_count, JDWP::ExpandBuf* buf) { 23136e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes class GetFrameVisitor : public StackVisitor { 23146e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes public: 23157a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor(Thread* thread, size_t start_frame, size_t frame_count, JDWP::ExpandBuf* buf) 2316b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 23177a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth_(0), 23186e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes start_frame_(start_frame), frame_count_(frame_count), buf_(buf) { 23196e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd4BE(buf_, frame_count_); 232003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23210399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 232200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 232300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 232400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 23250399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetMethod()->IsRuntimeMethod()) { 23267934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return true; // The debugger can't do anything useful with a frame that has no Method*. 232703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23286e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_ + frame_count_) { 2329530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 233003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23316e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_) { 23326e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id(GetFrameId()); 23336e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::JdwpLocation location; 2334d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetJdwpLocation(&location, GetMethod(), GetDexPc()); 2335ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers VLOG(jdwp) << StringPrintf(" Frame %3zd: id=%3" PRIu64 " ", depth_, frame_id) << location; 23366e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd8BE(buf_, frame_id); 23376e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAddLocation(buf_, location); 23386e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 23396e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes ++depth_; 2340530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 234103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23426e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes 23436e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes private: 23446e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes size_t depth_; 23456e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t start_frame_; 23466e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t frame_count_; 23476e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::ExpandBuf* buf_; 234803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 234900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 235000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2351a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2352221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2353221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2354221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2355221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2356221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2357f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2358f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2359f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 23607a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor visitor(thread, start_frame, frame_count, buf); 23610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 23626e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 2363872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2364872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2365872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetThreadSelfId() { 2366d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return GetThreadId(Thread::Current()); 2367d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 2368d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 2369d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::ObjectId Dbg::GetThreadId(Thread* thread) { 2370dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 2371d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return gRegistry->Add(thread->GetPeer()); 2372872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2373872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2374475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::SuspendVM() { 237500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Runtime::Current()->GetThreadList()->SuspendAllForDebugger(); 2376872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2377872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2378872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ResumeVM() { 23794eec026ec4d86869baa27ad0afd9564cca8856c9Sebastien Hertz Runtime::Current()->GetThreadList()->ResumeAllForDebugger(); 2380872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2381872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2382221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::SuspendThread(JDWP::ObjectId thread_id, bool request_suspension) { 2383f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers Thread* self = Thread::Current(); 2384f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers ScopedLocalRef<jobject> peer(self->GetJniEnv(), NULL); 238500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 2386f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers ScopedObjectAccess soa(self); 23872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers peer.reset(soa.AddLocalReference<jobject>(gRegistry->Get<mirror::Object*>(thread_id))); 238800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 238900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (peer.get() == NULL) { 239000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 239100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 2392f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers // Suspend thread to build stack trace. Take suspend thread lock to avoid races with threads 2393f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers // trying to suspend this one. 2394f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers MutexLock mu(self, *Locks::thread_list_suspend_thread_lock_); 2395f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes bool timed_out; 239637c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom ThreadList* thread_list = Runtime::Current()->GetThreadList(); 239737c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom Thread* thread = thread_list->SuspendThreadByPeer(peer.get(), request_suspension, true, 239837c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom &timed_out); 239900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (thread != NULL) { 240000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_NONE; 2401f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else if (timed_out) { 240200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_INTERNAL; 240300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } else { 240400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 24054e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 2406872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2407872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2408221229cb523f849f165fdafbf9785010963715daElliott Hughesvoid Dbg::ResumeThread(JDWP::ObjectId thread_id) { 240900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 24102dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = gRegistry->Get<mirror::Object*>(thread_id); 2411a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao Thread* thread; 2412a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao { 2413a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2414a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao thread = Thread::FromManagedThread(soa, peer); 2415a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao } 24164e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes if (thread == NULL) { 24174e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes LOG(WARNING) << "No such thread for resume: " << peer; 24184e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return; 24194e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 242000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool needs_resume; 242100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 242250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 242300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers needs_resume = thread->GetSuspendCount() > 0; 242400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 242500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (needs_resume) { 2426546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes Runtime::Current()->GetThreadList()->Resume(thread, true); 2427546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 2428872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2429872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2430872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::SuspendSelf() { 2431475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes Runtime::Current()->GetThreadList()->SuspendSelfForDebugger(); 2432872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2433872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 24340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct GetThisVisitor : public StackVisitor { 24357a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 2436b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 24377a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), this_object(NULL), frame_id(frame_id) {} 243868fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 243900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 244000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 244100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 24426e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (frame_id != GetFrameId()) { 24430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // continue 24440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 244562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_object = GetThisObject(); 244662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return false; 24470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 244868fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes } 2449dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 24502dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* this_object; 24516e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id; 24520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers}; 2453ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 245400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan RogersJDWP::JdwpError Dbg::GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, 245500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* result) { 245600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 245700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread; 245800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 245950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2460221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2461221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2462221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 246300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 24649e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 246500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_SUSPENDED; 246600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 24676e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 2468700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 24697a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor visitor(thread, context.get(), frame_id); 24700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 24716e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes *result = gRegistry->Add(visitor.this_object); 24726e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 24730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 24740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 24755797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz// Walks the stack until we find the frame with the given FrameId. 24765797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertzclass FindFrameVisitor FINAL : public StackVisitor { 24775797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz public: 24785797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz FindFrameVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 24795797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 24805797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz : StackVisitor(thread, context), frame_id_(frame_id), error_(JDWP::ERR_INVALID_FRAMEID) {} 2481ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 24825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 24835797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // annotalysis. 24845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 24855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (GetFrameId() != frame_id_) { 24865797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return true; // Not our frame, carry on. 24870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24885797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::ArtMethod* m = GetMethod(); 24895797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (m->IsNative()) { 24905797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // We can't read/write local value from/into native method. 24915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 24925797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 24935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // We found our frame. 24945797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz error_ = JDWP::ERR_NONE; 24955797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 24965797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return false; 24975797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 24985797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 24995797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError GetError() const { 25005797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error_; 25015797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25025797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25035797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz private: 25045797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz const JDWP::FrameId frame_id_; 25055797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error_; 25065797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz}; 25075797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25085797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::GetLocalValues(JDWP::Request* request, JDWP::ExpandBuf* pReply) { 25095797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::ObjectId thread_id = request->ReadThreadId(); 25105797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::FrameId frame_id = request->ReadFrameId(); 251100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 251200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2513221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 25145797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz { 25155797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 25165797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 25175797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 25185797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 25195797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 2520221229cb523f849f165fdafbf9785010963715daElliott Hughes } 25215797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Find the frame with the given frame_id. 2522700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 25235797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz FindFrameVisitor visitor(thread, context.get(), frame_id); 25240399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 25255797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetError() != JDWP::ERR_NONE) { 25265797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return visitor.GetError(); 25275797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25280399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 25295797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Read the values from visitor's context. 25305797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz int32_t slot_count = request->ReadSigned32("slot count"); 25315797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz expandBufAdd4BE(pReply, slot_count); /* "int values" */ 25325797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz for (int32_t i = 0; i < slot_count; ++i) { 25335797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t slot = request->ReadUnsigned32("slot"); 25345797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpTag reqSigByte = request->ReadTag(); 2535ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 25365797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << " --> slot " << slot << " " << reqSigByte; 25375797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25385797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz size_t width = Dbg::GetTagWidth(reqSigByte); 25395797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint8_t* ptr = expandBufAddSpace(pReply, width+1); 25405797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = Dbg::GetLocalValue(visitor, soa, slot, reqSigByte, ptr, width); 25415797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 25425797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 25435797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25445797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25455797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 25465797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz} 25475797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25485797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::GetLocalValue(const StackVisitor& visitor, ScopedObjectAccessUnchecked& soa, 25495797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz int slot, JDWP::JdwpTag tag, uint8_t* buf, size_t width) { 25505797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::ArtMethod* m = visitor.GetMethod(); 25515797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint16_t reg = DemangleSlot(slot, m); 25525797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check that the tag is compatible with the actual type of the slot! 25535797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 25545797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz constexpr JDWP::JdwpError kFailureErrorCode = JDWP::ERR_ABSENT_INFORMATION; 25555797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz switch (tag) { 25565797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BOOLEAN: { 25575797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 1U); 25585797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25595797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25605797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get boolean local " << reg << " = " << intVal; 25615797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set1(buf + 1, intVal != 0); 25625797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 25635797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get boolean local " << reg; 25645797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 2565ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes } 25665797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 25675797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25685797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BYTE: { 25695797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 1U); 25705797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25715797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25725797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get byte local " << reg << " = " << intVal; 25735797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set1(buf + 1, intVal); 25745797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 25755797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get byte local " << reg; 25765797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 2577cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 25785797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 25795797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25805797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_SHORT: 25815797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CHAR: { 25825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 2U); 25835797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get short/char local " << reg << " = " << intVal; 25865797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set2BE(buf + 1, intVal); 25875797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 25885797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get short/char local " << reg; 25895797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 25905797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 25925797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_INT: { 25945797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 25955797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25965797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25975797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get int local " << reg << " = " << intVal; 25985797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set4BE(buf + 1, intVal); 25995797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26005797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get int local " << reg; 26015797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26025797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26035797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26045797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26055797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_FLOAT: { 26065797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 26075797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 26085797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kFloatVReg, &intVal)) { 26095797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get float local " << reg << " = " << intVal; 26105797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set4BE(buf + 1, intVal); 26115797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26125797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get float local " << reg; 26135797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26145797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26155797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26165797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26175797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_ARRAY: 26185797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_LOADER: 26195797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_OBJECT: 26205797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_OBJECT: 26215797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_STRING: 26225797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD: 26235797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD_GROUP: { 26245797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, sizeof(JDWP::ObjectId)); 26255797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 26265797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kReferenceVReg, &intVal)) { 26275797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::Object* o = reinterpret_cast<mirror::Object*>(intVal); 26285797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get " << tag << " object local " << reg << " = " << o; 26295797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 26305797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz LOG(FATAL) << "Register " << reg << " expected to hold " << tag << " object: " << o; 26310bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 26325797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz tag = TagFromObject(soa, o); 26335797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::SetObjectId(buf + 1, gRegistry->Add(o)); 26345797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26355797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get " << tag << " object local " << reg; 26365797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 26385797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26395797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26405797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_DOUBLE: { 26415797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 26425797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t longVal; 26435797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVRegPair(m, reg, kDoubleLoVReg, kDoubleHiVReg, &longVal)) { 26445797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get double local " << reg << " = " << longVal; 26455797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set8BE(buf + 1, longVal); 26465797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26475797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get double local " << reg; 26485797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26495797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26505797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 2651cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes } 26525797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_LONG: { 26535797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 26545797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t longVal; 26555797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVRegPair(m, reg, kLongLoVReg, kLongHiVReg, &longVal)) { 26565797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get long local " << reg << " = " << longVal; 26575797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set8BE(buf + 1, longVal); 26585797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26595797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get long local " << reg; 26605797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26615797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26625797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26635797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26645797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz default: 26655797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz LOG(FATAL) << "Unknown tag " << tag; 26665797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26675797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 26695797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Prepend tag, which may have been updated. 26705797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set1(buf, tag); 26715797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 26725797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz} 26735797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 26745797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::SetLocalValues(JDWP::Request* request) { 26755797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::ObjectId thread_id = request->ReadThreadId(); 26765797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::FrameId frame_id = request->ReadFrameId(); 267700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 267800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2679221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 26805797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz { 26815797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 26825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 26835797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 26845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 26855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 2686221229cb523f849f165fdafbf9785010963715daElliott Hughes } 26875797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Find the frame with the given frame_id. 2688700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 26895797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz FindFrameVisitor visitor(thread, context.get(), frame_id); 26900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 26915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetError() != JDWP::ERR_NONE) { 26925797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return visitor.GetError(); 26935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26945797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 26955797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Writes the values into visitor's context. 26965797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz int32_t slot_count = request->ReadSigned32("slot count"); 26975797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz for (int32_t i = 0; i < slot_count; ++i) { 26985797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t slot = request->ReadUnsigned32("slot"); 26995797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpTag sigByte = request->ReadTag(); 27005797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz size_t width = Dbg::GetTagWidth(sigByte); 27015797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t value = request->ReadValue(width); 27025797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 27035797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << " --> slot " << slot << " " << sigByte << " " << value; 27045797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = Dbg::SetLocalValue(visitor, slot, sigByte, value, width); 27055797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 27065797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 27075797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27085797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27095797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 27105797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz} 27115797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 27125797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::SetLocalValue(StackVisitor& visitor, int slot, JDWP::JdwpTag tag, 27135797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t value, size_t width) { 27145797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::ArtMethod* m = visitor.GetMethod(); 27155797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint16_t reg = DemangleSlot(slot, m); 27165797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check that the tag is compatible with the actual type of the slot! 27175797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 27185797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz constexpr JDWP::JdwpError kFailureErrorCode = JDWP::ERR_ABSENT_INFORMATION; 27195797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz switch (tag) { 27205797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BOOLEAN: 27215797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BYTE: 27225797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 1U); 27235797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kIntVReg)) { 27245797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set boolean/byte local " << reg << " = " 27255797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27265797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27275797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27285797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27295797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_SHORT: 27305797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CHAR: 27315797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 2U); 27325797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kIntVReg)) { 27335797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set short/char local " << reg << " = " 27345797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27355797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27365797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27375797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27385797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_INT: 27395797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 27405797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kIntVReg)) { 27415797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set int local " << reg << " = " 27425797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27435797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27445797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27455797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27465797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_FLOAT: 27475797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 27485797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kFloatVReg)) { 27495797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set float local " << reg << " = " 27505797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27515797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27525797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27535797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27545797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_ARRAY: 27555797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_LOADER: 27565797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_OBJECT: 27575797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_OBJECT: 27585797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_STRING: 27595797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD: 27605797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD_GROUP: { 27615797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, sizeof(JDWP::ObjectId)); 27625797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(static_cast<JDWP::ObjectId>(value)); 27635797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (o == ObjectRegistry::kInvalidObject) { 27645797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << tag << " object " << o << " is an invalid object"; 27655797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 27665797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(reinterpret_cast<uintptr_t>(o)), 27675797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz kReferenceVReg)) { 27685797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set " << tag << " object local " << reg << " = " << o; 27695797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27705797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27715797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27725797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27735797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_DOUBLE: { 27745797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 27755797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVRegPair(m, reg, value, kDoubleLoVReg, kDoubleHiVReg)) { 27765797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set double local " << reg << " = " << value; 27775797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27785797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27795797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27805797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27815797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_LONG: { 27825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 27835797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVRegPair(m, reg, value, kLongLoVReg, kLongHiVReg)) { 27845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set double local " << reg << " = " << value; 27855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27865797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27875797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27885797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27895797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz default: 27905797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz LOG(FATAL) << "Unknown tag " << tag; 27915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27925797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 2794872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2795872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2796d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzstatic void SetEventLocation(JDWP::EventLocation* location, mirror::ArtMethod* m, uint32_t dex_pc) 2797d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2798d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz DCHECK(location != nullptr); 2799d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (m == nullptr) { 2800d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz memset(location, 0, sizeof(*location)); 2801d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz } else { 2802d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->method = m; 2803d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint32_t>(-1) : dex_pc; 28043f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28053f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 28063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2807ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersvoid Dbg::PostLocationEvent(mirror::ArtMethod* m, int dex_pc, mirror::Object* this_object, 2808579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao int event_flags, const JValue* return_value) { 28093f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 28103f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 28113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28123f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 28133f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK_EQ(m->IsStatic(), this_object == nullptr); 2814d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation location; 2815d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&location, m, dex_pc); 281691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 2817d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostLocationEvent(&location, this_object, event_flags, return_value); 2818872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2819872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 28203f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldAccessEvent(mirror::ArtMethod* m, int dex_pc, 28213f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f) { 28223f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 28233f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 28243f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28253f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 28263f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 2827d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation location; 2828d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&location, m, dex_pc); 28293f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2830d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostFieldEvent(&location, f, this_object, nullptr, false); 28313f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 28323f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 28333f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldModificationEvent(mirror::ArtMethod* m, int dex_pc, 28343f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f, 28353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz const JValue* field_value) { 28363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 28373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 28383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 28403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 28413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(field_value != nullptr); 2842d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation location; 2843d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&location, m, dex_pc); 28443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2845d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostFieldEvent(&location, f, this_object, field_value, true); 28463f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 28473f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 28483f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostException(const ThrowLocation& throw_location, 2849ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, 285064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes uint32_t catch_dex_pc, mirror::Throwable* exception_object) { 2851c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 28520ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers return; 28530ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers } 2854d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation exception_throw_location; 2855d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&exception_throw_location, throw_location.GetMethod(), throw_location.GetDexPc()); 2856d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation exception_catch_location; 2857d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&exception_catch_location, catch_method, catch_dex_pc); 28584740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 2859d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostException(&exception_throw_location, exception_object, &exception_catch_location, 2860d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz throw_location.GetThis()); 2861872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2862872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 28632dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::PostClassPrepare(mirror::Class* c) { 2864c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 28654740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes return; 28664740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes } 2867d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostClassPrepare(c); 2868872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2869872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 287062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersvoid Dbg::UpdateDebugger(Thread* thread, mirror::Object* this_object, 28718379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz mirror::ArtMethod* m, uint32_t dex_pc, 28728379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz int event_flags, const JValue* return_value) { 287362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (!IsDebuggerActive() || dex_pc == static_cast<uint32_t>(-2) /* fake method exit */) { 28742aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes return; 287591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 287691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 28778696433d1b3d8ba15288483b777edd888de69135Elliott Hughes if (IsBreakpoint(m, dex_pc)) { 28788696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kBreakpoint; 287991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 288091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 288161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // If the debugger is single-stepping one of our threads, check to 288261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // see if we're that thread and we've reached a step point. 288361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const SingleStepControl* single_step_control = thread->GetSingleStepControl(); 288461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 288561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->is_active) { 288661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK(!m->IsNative()); 288761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_depth == JDWP::SD_INTO) { 288861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step into method calls. We break when the line number 288961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // or method pointer changes. If we're in SS_MIN mode, we 289061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // always stop. 289161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->method != m) { 289261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 289361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new method"; 289461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_size == JDWP::SS_MIN) { 289561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 289661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new instruction"; 2897bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 289861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 289961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new line"; 290061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 290161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_depth == JDWP::SD_OVER) { 290261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step over method calls. We break when the line number is 290361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // different and the frame depth is <= the original frame 290461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth. (We can't just compare on the method, because we 290561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // might get unrolled past it by an exception, and it's tricky 290661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // to identify recursion.) 290761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 290861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 290961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 291061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 291161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Popped up one or more frames, always trigger. 291261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 291361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 291461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (stack_depth == single_step_control->stack_depth) { 291561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Same depth, see if we moved. 291661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_size == JDWP::SS_MIN) { 29178696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kSingleStep; 29188696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "SS new instruction"; 2919bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 29202435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes event_flags |= kSingleStep; 29212435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "SS new line"; 292291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 292361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 292461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else { 292561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK_EQ(single_step_control->step_depth, JDWP::SD_OUT); 292661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Return from the current method. We break when the frame 292761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth pops up. 292861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 292961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // This differs from the "method exit" break in that it stops 293061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // with the PC at the next instruction in the returned-to 293161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // function, rather than the end of the returning function. 293261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 293361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 293461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 293561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 293661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 29378696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 293891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 293991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 294091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 294191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // If there's something interesting going on, see if it matches one 294291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // of the debugger filters. 294391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (event_flags != 0) { 29448379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::PostLocationEvent(m, dex_pc, this_object, event_flags, return_value); 294591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 294691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes} 294791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 294842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t* Dbg::GetReferenceCounterForEvent(uint32_t instrumentation_event) { 294942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz switch (instrumentation_event) { 295042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodEntered: 295142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_enter_event_ref_count_; 295242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodExited: 295342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_exit_event_ref_count_; 295442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kDexPcMoved: 295542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &dex_pc_change_event_ref_count_; 295642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldRead: 295742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_read_event_ref_count_; 295842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldWritten: 295942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_write_event_ref_count_; 296042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kExceptionCaught: 296142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &exception_catch_event_ref_count_; 296242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz default: 296342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return nullptr; 296442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 296542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz} 296642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz 29674d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz// Process request while all mutator threads are suspended. 29684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::ProcessDeoptimizationRequest(const DeoptimizationRequest& request) { 2969138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 29700ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi switch (request.GetKind()) { 29714d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kNothing: 29724d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(WARNING) << "Ignoring empty deoptimization request."; 29734d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 297442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: 297542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Add debugger as listener for instrumentation event 0x%x", 29760ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 29770ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->AddListener(&gDebugInstrumentationListener, request.InstrumentationEvent()); 29780ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation_events_ |= request.InstrumentationEvent(); 297942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 298042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: 298142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Remove debugger as listener for instrumentation event 0x%x", 29820ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 298342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation->RemoveListener(&gDebugInstrumentationListener, 29840ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 29850ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation_events_ &= ~request.InstrumentationEvent(); 298642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 29874d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: 29887ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world ..."; 29894d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->DeoptimizeEverything(); 29907ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world DONE"; 29914d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29924d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: 29937ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world ..."; 29944d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->UndeoptimizeEverything(); 29957ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world DONE"; 29964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29974d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: 29980ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.Method()) << " ..."; 29990ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->Deoptimize(request.Method()); 30000ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.Method()) << " DONE"; 30014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30024d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: 30030ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.Method()) << " ..."; 30040ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->Undeoptimize(request.Method()); 30050ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.Method()) << " DONE"; 30064d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30074d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: 30080ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi LOG(FATAL) << "Unsupported deoptimization request kind " << request.GetKind(); 30094d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30104d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 30114d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 30124d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 30137ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::DelayFullUndeoptimization() { 3014f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (RequiresDeoptimization()) { 3015f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 3016f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz ++delayed_full_undeoptimization_count_; 3017f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DCHECK_LE(delayed_full_undeoptimization_count_, full_deoptimization_event_count_); 3018f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 30197ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 30207ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 30217ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::ProcessDelayedFullUndeoptimizations() { 30227ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz // TODO: avoid taking the lock twice (once here and once in ManageDeoptimization). 30237ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz { 3024f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 30257ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz while (delayed_full_undeoptimization_count_ > 0) { 30267ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DeoptimizationRequest req; 30270ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.SetKind(DeoptimizationRequest::kFullUndeoptimization); 30280ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.SetMethod(nullptr); 30297ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 30307ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz --delayed_full_undeoptimization_count_; 30317ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 30327ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 30337ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ManageDeoptimization(); 30347ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 30357ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 30364d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::RequestDeoptimization(const DeoptimizationRequest& req) { 30370ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (req.GetKind() == DeoptimizationRequest::kNothing) { 30384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz // Nothing to do. 30394d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz return; 30404d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 3041f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 30427ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 30437ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 30447ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 30457ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::RequestDeoptimizationLocked(const DeoptimizationRequest& req) { 30460ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi switch (req.GetKind()) { 304742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: { 30480ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK_NE(req.InstrumentationEvent(), 0u); 30490ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi size_t* counter = GetReferenceCounterForEvent(req.InstrumentationEvent()); 305042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 30510ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.InstrumentationEvent()); 305242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 30537d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to start listening to instrumentation event 0x%x", 30540ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi deoptimization_requests_.size(), req.InstrumentationEvent()); 305542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 305642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 305742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter + 1; 305842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 305942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 306042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: { 30610ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK_NE(req.InstrumentationEvent(), 0u); 30620ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi size_t* counter = GetReferenceCounterForEvent(req.InstrumentationEvent()); 306342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 30640ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.InstrumentationEvent()); 306542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter - 1; 306642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 30677d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to stop listening to instrumentation event 0x%x", 30680ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi deoptimization_requests_.size(), req.InstrumentationEvent()); 306942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 307042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 307142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 307242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 30734d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: { 30740ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() == nullptr); 30754d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 30767ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 30777ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full deoptimization"; 30784d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 3079138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 30804d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ++full_deoptimization_event_count_; 30814d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30824d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 30834d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: { 30840ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() == nullptr); 3085e713d9338ad122d6b8c7997387d0c9fc464eea3eSebastien Hertz DCHECK_GT(full_deoptimization_event_count_, 0U); 30864d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz --full_deoptimization_event_count_; 30874d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 30887ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 30897ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full undeoptimization"; 30904d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 3091138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 30924d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30934d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 30944d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: { 30950ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() != nullptr); 30967ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 30970ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi << " for deoptimization of " << PrettyMethod(req.Method()); 30984d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 30994d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 31004d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 31014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: { 31020ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() != nullptr); 31037ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 31040ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi << " for undeoptimization of " << PrettyMethod(req.Method()); 31054d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 31064d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 31074d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 31084d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: { 31090ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi LOG(FATAL) << "Unknown deoptimization request kind " << req.GetKind(); 31104d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 3111138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3112138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3113138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 3114138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3115138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertzvoid Dbg::ManageDeoptimization() { 3116138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Thread* const self = Thread::Current(); 3117138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 3118138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Avoid suspend/resume if there is no pending request. 3119f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::deoptimization_lock_); 31204d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_requests_.empty()) { 3121138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz return; 3122138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3123138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3124138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 3125138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromRunnableToSuspended(kWaitingForDeoptimization); 3126138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // We need to suspend mutator threads first. 3127138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Runtime* const runtime = Runtime::Current(); 3128138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->SuspendAll(); 3129138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz const ThreadState old_state = self->SetStateUnsafe(kRunnable); 31304d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 3131f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::deoptimization_lock_); 31327ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz size_t req_index = 0; 31330ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi for (DeoptimizationRequest& request : deoptimization_requests_) { 31347ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Process deoptimization request #" << req_index++; 31354d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ProcessDeoptimizationRequest(request); 31364d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 31374d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 31384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 3139138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 3140138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->ResumeAll(); 3141138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromSuspendedToRunnable(); 3142138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 3143138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3144a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic bool IsMethodPossiblyInlined(Thread* self, mirror::ArtMethod* m) 3145a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3146bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 3147a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (code_item == nullptr) { 3148a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // TODO We should not be asked to watch location in a native or abstract method so the code item 3149a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // should never be null. We could just check we never encounter this case. 3150a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return false; 3151a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 31524d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Note: method verifier may cause thread suspension. 31534d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz self->AssertThreadSuspensionIsAllowable(); 3154eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(self); 3155bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Class* declaring_class = m->GetDeclaringClass(); 3156bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(declaring_class->GetDexCache())); 3157bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier Handle<mirror::ClassLoader> class_loader(hs.NewHandle(declaring_class->GetClassLoader())); 3158bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier verifier::MethodVerifier verifier(dex_cache->GetDexFile(), &dex_cache, &class_loader, 3159bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier &m->GetClassDef(), code_item, m->GetDexMethodIndex(), m, 316046960fe5dcc1be07b39a55114338423a73554449Ian Rogers m->GetAccessFlags(), false, true, false); 3161a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: we don't need to verify the method. 3162a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return InlineMethodAnalyser::AnalyseMethodCode(&verifier, nullptr); 3163a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3164138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3165a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic const Breakpoint* FindFirstBreakpointForMethod(mirror::ArtMethod* m) 316659d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::breakpoint_lock_) { 31670ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi for (Breakpoint& breakpoint : gBreakpoints) { 31680ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (breakpoint.Method() == m) { 3169a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return &breakpoint; 3170138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3171a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3172a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return nullptr; 3173a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3174138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3175a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Sanity checks all existing breakpoints on the same method. 3176f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzstatic void SanityCheckExistingBreakpoints(mirror::ArtMethod* m, 3177f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind deoptimization_kind) 317859d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::breakpoint_lock_) { 31794d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 3180f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (breakpoint.Method() == m) { 3181f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK_EQ(deoptimization_kind, breakpoint.GetDeoptimizationKind()); 3182f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 31834d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 3184f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 3185f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (deoptimization_kind == DeoptimizationRequest::kFullDeoptimization) { 31864d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // We should have deoptimized everything but not "selectively" deoptimized this method. 3187f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(instrumentation->AreAllMethodsDeoptimized()); 3188f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(!instrumentation->IsDeoptimized(m)); 3189f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else if (deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization) { 31904d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // We should have "selectively" deoptimized this method. 31914d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Note: while we have not deoptimized everything for this method, we may have done it for 31924d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // another event. 3193f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(instrumentation->IsDeoptimized(m)); 3194f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3195f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // This method does not require deoptimization. 3196f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK_EQ(deoptimization_kind, DeoptimizationRequest::kNothing); 3197f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(!instrumentation->IsDeoptimized(m)); 3198138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3199a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3200138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 32012f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz// Returns the deoptimization kind required to set a breakpoint in a method. 32022f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz// If a breakpoint has already been set, we also return the first breakpoint 32032f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz// through the given 'existing_brkpt' pointer. 3204f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzstatic DeoptimizationRequest::Kind GetRequiredDeoptimizationKind(Thread* self, 32052f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz mirror::ArtMethod* m, 32062f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz const Breakpoint** existing_brkpt) 3207f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3208f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (!Dbg::RequiresDeoptimization()) { 3209f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // We already run in interpreter-only mode so we don't need to deoptimize anything. 3210f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "No need for deoptimization when fully running with interpreter for method " 3211f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz << PrettyMethod(m); 3212f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kNothing; 3213f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 32142f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz const Breakpoint* first_breakpoint; 32154d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz { 32164d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz ReaderMutexLock mu(self, *Locks::breakpoint_lock_); 32172f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz first_breakpoint = FindFirstBreakpointForMethod(m); 32182f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz *existing_brkpt = first_breakpoint; 32194d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 32202f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz 32212f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz if (first_breakpoint == nullptr) { 3222a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no breakpoint on this method yet: we need to deoptimize. If this method may be 3223a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // inlined, we deoptimize everything; otherwise we deoptimize only this method. 32244d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Note: IsMethodPossiblyInlined goes into the method verifier and may cause thread suspension. 32254d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Therefore we must not hold any lock when we call it. 3226f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz bool need_full_deoptimization = IsMethodPossiblyInlined(self, m); 3227a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 3228f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "Need full deoptimization because of possible inlining of method " 3229f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz << PrettyMethod(m); 3230f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kFullDeoptimization; 3231a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3232f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // We don't need to deoptimize if the method has not been compiled. 3233f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); 3234f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz const bool is_compiled = class_linker->GetOatMethodQuickCodeFor(m) != nullptr; 3235f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (is_compiled) { 32367f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz // If the method may be called through its direct code pointer (without loading 32377f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz // its updated entrypoint), we need full deoptimization to not miss the breakpoint. 32387f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz if (class_linker->MayBeCalledWithDirectCodePointer(m)) { 32397f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz VLOG(jdwp) << "Need full deoptimization because of possible direct code call " 32407f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz << "into image for compiled method " << PrettyMethod(m); 32417f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz return DeoptimizationRequest::kFullDeoptimization; 32427f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz } else { 32437f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz VLOG(jdwp) << "Need selective deoptimization for compiled method " << PrettyMethod(m); 32447f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz return DeoptimizationRequest::kSelectiveDeoptimization; 32457f418db815f0eaef5b2f43e1f06fb8773a415494Sebastien Hertz } 3246f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3247f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // Method is not compiled: we don't need to deoptimize. 3248f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "No need for deoptimization for non-compiled method " << PrettyMethod(m); 3249f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kNothing; 3250f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 3251a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3252a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3253a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to deoptimize. 3254f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // Let's check that all breakpoints are configured the same way for deoptimization. 3255f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "Breakpoint already set: no deoptimization is required"; 32562f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz DeoptimizationRequest::Kind deoptimization_kind = first_breakpoint->GetDeoptimizationKind(); 32574d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz if (kIsDebugBuild) { 32584d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz ReaderMutexLock mu(self, *Locks::breakpoint_lock_); 3259f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz SanityCheckExistingBreakpoints(m, deoptimization_kind); 32604d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 3261f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kNothing; 3262f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 3263f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz} 3264f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz 3265f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz// Installs a breakpoint at the specified location. Also indicates through the deoptimization 3266f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz// request if we need to deoptimize. 3267f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzvoid Dbg::WatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 3268f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz Thread* const self = Thread::Current(); 3269f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz mirror::ArtMethod* m = FromMethodId(location->method_id); 3270f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 3271f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz 32722f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz const Breakpoint* existing_breakpoint = nullptr; 32732f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz const DeoptimizationRequest::Kind deoptimization_kind = 32742f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz GetRequiredDeoptimizationKind(self, m, &existing_breakpoint); 3275f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetKind(deoptimization_kind); 3276f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization) { 3277f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetMethod(m); 3278f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3279f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(deoptimization_kind == DeoptimizationRequest::kNothing || 3280f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz deoptimization_kind == DeoptimizationRequest::kFullDeoptimization); 3281f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetMethod(nullptr); 3282138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3283a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 32844d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz { 32854d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz WriterMutexLock mu(self, *Locks::breakpoint_lock_); 32862f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz // If there is at least one existing breakpoint on the same method, the new breakpoint 32872f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz // must have the same deoptimization kind than the existing breakpoint(s). 32882f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz DeoptimizationRequest::Kind breakpoint_deoptimization_kind; 32892f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz if (existing_breakpoint != nullptr) { 32902f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz breakpoint_deoptimization_kind = existing_breakpoint->GetDeoptimizationKind(); 32912f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz } else { 32922f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz breakpoint_deoptimization_kind = deoptimization_kind; 32932f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz } 32942f5c202624f733d97fecdd4e31915199e0c77707Sebastien Hertz gBreakpoints.push_back(Breakpoint(m, location->dex_pc, breakpoint_deoptimization_kind)); 32954d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz VLOG(jdwp) << "Set breakpoint #" << (gBreakpoints.size() - 1) << ": " 32964d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz << gBreakpoints[gBreakpoints.size() - 1]; 32974d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 3298872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3299872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3300a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Uninstalls a breakpoint at the specified location. Also indicates through the deoptimization 3301a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to undeoptimize. 33024d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::UnwatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 330359d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz WriterMutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 3304ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(location->method_id); 3305a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 3306f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind deoptimization_kind = DeoptimizationRequest::kNothing; 3307a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 33080ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (gBreakpoints[i].DexPc() == location->dex_pc && gBreakpoints[i].Method() == m) { 3309a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Removed breakpoint #" << i << ": " << gBreakpoints[i]; 3310f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz deoptimization_kind = gBreakpoints[i].GetDeoptimizationKind(); 3311f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DCHECK_EQ(deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization, 3312f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 3313a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.erase(gBreakpoints.begin() + i); 3314a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz break; 3315138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3316138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3317a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 3318a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 3319a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no more breakpoint on this method: we need to undeoptimize. 3320f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (deoptimization_kind == DeoptimizationRequest::kFullDeoptimization) { 3321a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required full deoptimization: we need to undeoptimize everything. 33220ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kFullUndeoptimization); 33230ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 3324f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else if (deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization) { 3325a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required selective deoptimization: we need to undeoptimize only that method. 33260ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kSelectiveUndeoptimization); 33270ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(m); 3328f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3329f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // This method had no need for deoptimization: do nothing. 3330f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK_EQ(deoptimization_kind, DeoptimizationRequest::kNothing); 3331f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetKind(DeoptimizationRequest::kNothing); 3332f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetMethod(nullptr); 3333a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3334a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3335a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to undeoptimize. 33360ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kNothing); 33370ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 33384d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz if (kIsDebugBuild) { 3339f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz SanityCheckExistingBreakpoints(m, deoptimization_kind); 33404d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 33418696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3342872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3343872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3344449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// Scoped utility class to suspend a thread so that we may do tasks such as walk its stack. Doesn't 3345449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// cause suspension if the thread is the current thread. 3346449db33fafa29578df60e8a323f78d5eb6247e76Jeff Haoclass ScopedThreadSuspension { 3347449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao public: 334833e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers ScopedThreadSuspension(Thread* self, JDWP::ObjectId thread_id) 334952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_) 335033e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) : 3351f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers thread_(nullptr), 3352449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_(JDWP::ERR_NONE), 3353449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_(false), 335433e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers other_suspend_(false) { 3355449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedObjectAccessUnchecked soa(self); 3356449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao { 3357449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3358449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = DecodeThread(soa, thread_id, thread_); 3359449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3360449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (error_ == JDWP::ERR_NONE) { 3361449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (thread_ == soa.Self()) { 3362449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_ = true; 3363449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3364449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao soa.Self()->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 3365d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz jobject thread_peer = Dbg::GetObjectRegistry()->GetJObject(thread_id); 3366449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool timed_out; 3367f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers Thread* suspended_thread; 3368f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers { 3369f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers // Take suspend thread lock to avoid races with threads trying to suspend this one. 3370f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_suspend_thread_lock_); 337137c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom ThreadList* thread_list = Runtime::Current()->GetThreadList(); 337237c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom suspended_thread = thread_list->SuspendThreadByPeer(thread_peer, true, true, &timed_out); 3373f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers } 3374449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(soa.Self()->TransitionFromSuspendedToRunnable(), kWaitingForDebuggerSuspension); 3375f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers if (suspended_thread == nullptr) { 3376449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao // Thread terminated from under us while suspending. 3377449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = JDWP::ERR_INVALID_THREAD; 3378449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3379449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(suspended_thread, thread_); 3380449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao other_suspend_ = true; 3381449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3382449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3383449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3384449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3385449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3386449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* GetThread() const { 3387449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return thread_; 3388449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3389449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3390449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError GetError() const { 3391449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return error_; 3392449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3393449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3394449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ~ScopedThreadSuspension() { 3395449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (other_suspend_) { 3396449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Runtime::Current()->GetThreadList()->Resume(thread_, true); 3397449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3398449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3399449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3400449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao private: 3401449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* thread_; 3402449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError error_; 3403449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool self_suspend_; 3404449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool other_suspend_; 3405449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao}; 3406449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3407221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize step_size, 340800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpStepDepth step_depth) { 3409449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* self = Thread::Current(); 3410449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedThreadSuspension sts(self, thread_id); 3411449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (sts.GetError() != JDWP::ERR_NONE) { 3412449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return sts.GetError(); 34132435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34148696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 34152435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Work out what Method* we're in, the current line number, and how deep the stack currently 34172435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // is for step-out. 34182435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34192435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 34200399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SingleStepStackVisitor : public StackVisitor { 342161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz explicit SingleStepStackVisitor(Thread* thread, SingleStepControl* single_step_control, 342261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* line_number) 3423b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 342461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz : StackVisitor(thread, NULL), single_step_control_(single_step_control), 342561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz line_number_(line_number) { 342661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK_EQ(single_step_control_, thread->GetSingleStepControl()); 342761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = NULL; 342861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->stack_depth = 0; 34298696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3430ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 343100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 343200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 343300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 343461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz mirror::ArtMethod* m = GetMethod(); 34350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 343661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ++single_step_control_->stack_depth; 343761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control_->method == NULL) { 3438ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::DexCache* dex_cache = m->GetDeclaringClass()->GetDexCache(); 343961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = m; 344061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = -1; 34412435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (dex_cache != NULL) { 34424445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *dex_cache->GetDexFile(); 344361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = dex_file.GetLineNumFromPC(m, GetDexPc()); 34442435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34458696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 34468696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3447530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 34488696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 344961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 345061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 345161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* const line_number_; 34528696433d1b3d8ba15288483b777edd888de69135Elliott Hughes }; 3453449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 345461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* const thread = sts.GetThread(); 345561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control = thread->GetSingleStepControl(); 345661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 345761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t line_number = -1; 345861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepStackVisitor visitor(thread, single_step_control, &line_number); 34590399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 34608696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 34612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34622435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Find the dex_pc values that correspond to the current line, for line-based single-stepping. 34632435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34642435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 34652435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes struct DebugCallbackContext { 3466bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz explicit DebugCallbackContext(SingleStepControl* single_step_control, int32_t line_number, 3467bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* code_item) 3468bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz : single_step_control_(single_step_control), line_number_(line_number), code_item_(code_item), 346961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz last_pc_valid(false), last_pc(0) { 34702435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34712435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 347261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz static bool Callback(void* raw_context, uint32_t address, uint32_t line_number) { 34732435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes DebugCallbackContext* context = reinterpret_cast<DebugCallbackContext*>(raw_context); 347461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (static_cast<int32_t>(line_number) == context->line_number_) { 34752435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (!context->last_pc_valid) { 34762435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything from this address until the next line change is ours. 34772435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc = address; 34782435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = true; 34792435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34802435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Otherwise, if we're already in a valid range for this line, 34812435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // just keep going (shouldn't really happen)... 34827934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom } else if (context->last_pc_valid) { // and the line number is new 34832435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Add everything from the last entry up until here to the set 34842435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = context->last_pc; dex_pc < address; ++dex_pc) { 348561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz context->single_step_control_->dex_pcs.insert(dex_pc); 34862435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34872435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = false; 34882435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34897934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return false; // There may be multiple entries for any given line. 34902435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 349261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ~DebugCallbackContext() { 34932435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // If the line number was the last in the position table... 34942435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (last_pc_valid) { 3495bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz size_t end = code_item_->insns_size_in_code_units_; 34962435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = last_pc; dex_pc < end; ++dex_pc) { 349761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->dex_pcs.insert(dex_pc); 34982435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34992435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 35002435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 35012435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 350261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 350361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const int32_t line_number_; 3504bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item_; 35052435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes bool last_pc_valid; 35062435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes uint32_t last_pc; 35072435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes }; 350861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->dex_pcs.clear(); 3509ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = single_step_control->method; 351061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (!m->IsNative()) { 3511bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* const code_item = m->GetCodeItem(); 3512bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz DebugCallbackContext context(single_step_control, line_number, code_item); 3513bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 3514bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DebugCallbackContext::Callback, NULL, &context); 35153e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes } 35162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 35172435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 35182435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything else... 35192435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 35202435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 352161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_size = step_size; 352261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_depth = step_depth; 352361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->is_active = true; 35248696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 35252435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (VLOG_IS_ON(jdwp)) { 352661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step thread: " << *thread; 352761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step size: " << single_step_control->step_size; 352861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step depth: " << single_step_control->step_depth; 352961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current method: " << PrettyMethod(single_step_control->method); 353061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current line: " << line_number; 353161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current stack depth: " << single_step_control->stack_depth; 35322435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "Single-step dex_pc values:"; 3533bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz for (uint32_t dex_pc : single_step_control->dex_pcs) { 3534bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz VLOG(jdwp) << StringPrintf(" %#x", dex_pc); 35352435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 35362435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 35372435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 35382435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 3539872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3540872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 354161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertzvoid Dbg::UnconfigureStep(JDWP::ObjectId thread_id) { 354261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 354361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 354461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* thread; 354561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 354687118ed6f3f99e7df33214c277cf200a7b9a7499Sebastien Hertz if (error == JDWP::ERR_NONE) { 354761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* single_step_control = thread->GetSingleStepControl(); 354861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 3549bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz single_step_control->Clear(); 355061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 3551872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3552872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 355345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughesstatic char JdwpTagToShortyChar(JDWP::JdwpTag tag) { 355445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes switch (tag) { 355545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes default: 355645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes LOG(FATAL) << "unknown JDWP tag: " << PrintableChar(tag); 355745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 355845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Primitives. 355945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BYTE: return 'B'; 356045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CHAR: return 'C'; 356145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_FLOAT: return 'F'; 356245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_DOUBLE: return 'D'; 356345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_INT: return 'I'; 356445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_LONG: return 'J'; 356545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_SHORT: return 'S'; 356645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_VOID: return 'V'; 356745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BOOLEAN: return 'Z'; 356845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 356945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Reference types. 357045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_ARRAY: 357145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_OBJECT: 357245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_STRING: 357345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD: 357445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD_GROUP: 357545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_LOADER: 357645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_OBJECT: 357745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return 'L'; 357845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 357945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes} 358045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 358188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::InvokeMethod(JDWP::ObjectId thread_id, JDWP::ObjectId object_id, 358288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::RefTypeId class_id, JDWP::MethodId method_id, 358300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint32_t arg_count, uint64_t* arg_values, 358400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* arg_types, uint32_t options, 358500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* pResultTag, uint64_t* pResultValue, 358600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* pExceptionId) { 3587d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes ThreadList* thread_list = Runtime::Current()->GetThreadList(); 3588d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3589d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes Thread* targetThread = NULL; 3590d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes DebugInvokeReq* req = NULL; 359100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 3592d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 359300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 359450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3595221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, targetThread); 3596221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 3597221229cb523f849f165fdafbf9785010963715daElliott Hughes LOG(ERROR) << "InvokeMethod request for invalid thread id " << thread_id; 3598221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 3599d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3600d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes req = targetThread->GetInvokeReq(); 3601d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (!req->ready) { 3602d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << "InvokeMethod request for thread not stopped by event: " << *targetThread; 3603d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return JDWP::ERR_INVALID_THREAD; 3604d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3605d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3606d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3607d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We currently have a bug where we don't successfully resume the 3608d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * target thread if the suspend count is too deep. We're expected to 3609d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * require one "resume" for each "suspend", but when asked to execute 3610d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a method we have to resume fully and then re-suspend it back to the 3611d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * same level. (The easiest way to cause this is to type "suspend" 3612d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * multiple times in jdb.) 3613d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3614d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * It's unclear what this means when the event specifies "resume all" 3615d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * and some threads are suspended more deeply than others. This is 3616d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a rare problem, so for now we just prevent it from hanging forever 3617d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * by rejecting the method invocation request. Without this, we will 3618d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * be stuck waiting on a suspended thread. 3619d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 362000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int suspend_count; 362100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 362250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 362300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers suspend_count = targetThread->GetSuspendCount(); 362400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 3625d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (suspend_count > 1) { 3626d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << *targetThread << " suspend count too deep for method invocation: " << suspend_count; 36277934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return JDWP::ERR_THREAD_SUSPENDED; // Probably not expected here. 3628d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3629d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 36303f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes JDWP::JdwpError status; 36312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* receiver = gRegistry->Get<mirror::Object*>(object_id); 363264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (receiver == ObjectRegistry::kInvalidObject) { 36333f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 36343f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 363545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 36362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread = gRegistry->Get<mirror::Object*>(thread_id); 363764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread == ObjectRegistry::kInvalidObject) { 36383f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 36393f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 364045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // TODO: check that 'thread' is actually a java.lang.Thread! 364145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 36422dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 364345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (c == NULL) { 36443f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return status; 36453f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 364645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3647ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 364845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic() != (receiver == NULL)) { 364945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 365045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 365145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic()) { 365245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->GetDeclaringClass() != c) { 365345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 365445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 365545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } else { 365645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { 365745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 365845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 365945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 366045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 366145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Check the argument list matches the method. 3662bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier uint32_t shorty_len = 0; 3663bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* shorty = m->GetShorty(&shorty_len); 3664bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty_len - 1 != arg_count) { 366545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 366645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 36670920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 3668bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier { 3669bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<3> hs(soa.Self()); 3670bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle(m)); 3671bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&receiver)); 3672bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier HandleWrapper<mirror::Class> h_klass(hs.NewHandleWrapper(&c)); 3673bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::TypeList* types = m->GetParameterTypeList(); 3674bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier for (size_t i = 0; i < arg_count; ++i) { 3675bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty[i + 1] != JdwpTagToShortyChar(arg_types[i])) { 36760920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 36770920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 36780920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 3679bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty[i + 1] == 'L') { 3680bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Did we really get an argument of an appropriate reference type? 3681bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Class* parameter_type = mh.GetClassFromTypeIdx(types->GetTypeItem(i).type_idx_); 3682bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Object* argument = gRegistry->Get<mirror::Object*>(arg_values[i]); 3683bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (argument == ObjectRegistry::kInvalidObject) { 3684bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return JDWP::ERR_INVALID_OBJECT; 3685bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 3686bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (argument != NULL && !argument->InstanceOf(parameter_type)) { 3687bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return JDWP::ERR_ILLEGAL_ARGUMENT; 3688bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 3689bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier 3690bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Turn the on-the-wire ObjectId into a jobject. 3691bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier jvalue& v = reinterpret_cast<jvalue&>(arg_values[i]); 3692bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier v.l = gRegistry->GetJObject(arg_values[i]); 3693bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 36940920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 3695bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Update in case it moved. 3696bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m = mh.GetMethod(); 369745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 369845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3699d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->receiver = receiver; 3700d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->thread = thread; 3701d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->klass = c; 3702d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->method = m; 3703d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_count = arg_count; 3704d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_values = arg_values; 3705d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->options = options; 3706d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->invoke_needed = true; 3707d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3708d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3709d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // The fact that we've released the thread list lock is a bit risky --- if the thread goes 3710d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // away we're sitting high and dry -- but we must release this before the ResumeAllThreads 3711d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // call, and it's unwise to hold it during WaitForSuspend. 3712d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3713d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3714d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3715d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We change our (JDWP thread) status, which should be THREAD_RUNNING, 371681ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * so we can suspend for a GC if the invoke request causes us to 3717d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * run out of memory. It's also a good idea to change it before locking 3718d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the invokeReq mutex, although that should never be held for long. 3719d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 372000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSend); 3721d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 37224dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Transferring control to event thread"; 3723d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3724d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz MutexLock mu(self, req->lock); 3725d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3726d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 37274dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming all threads"; 372800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->UndoDebuggerSuspensions(); 3729d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 37304dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread only"; 3731d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3732d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3733d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3734d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Wait for the request to finish executing. 3735d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz while (req->invoke_needed) { 3736d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->cond.Wait(self); 3737d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3738d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 37394dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Control has returned from event thread"; 3740d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3741d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* wait for thread to re-suspend itself */ 3742df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom SuspendThread(thread_id, false /* request_suspension */); 374300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 3744d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3745d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3746d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3747d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Suspend the threads. We waited for the target thread to suspend 3748d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * itself, so all we need to do is suspend the others. 3749d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3750d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * The suspendAllThreads() call will double-suspend the event thread, 3751d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * so we want to resume the target thread once to keep the books straight. 3752d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3753d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 375400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 37554dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Suspending all threads"; 375600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->SuspendAllForDebugger(); 375700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 37584dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread to balance the count"; 3759d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3760d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3761d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3762d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Copy the result. 3763d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pResultTag = req->result_tag; 3764d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (IsPrimitiveTag(req->result_tag)) { 3765f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = req->result_value.GetJ(); 3766d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 3767f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = gRegistry->Add(req->result_value.GetL()); 3768d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3769d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pExceptionId = req->exception; 3770d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return req->error; 3771872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3772872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3773872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ExecuteMethod(DebugInvokeReq* pReq) { 377400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 3775d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 377681ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes // We can be called while an exception is pending. We need 3777d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // to preserve that across the method invocation. 3778eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<4> hs(soa.Self()); 3779eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_this_object = hs.NewHandle<mirror::Object>(nullptr); 3780eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_method = hs.NewHandle<mirror::ArtMethod>(nullptr); 3781eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_exception = hs.NewHandle<mirror::Throwable>(nullptr); 378262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t old_throw_dex_pc; 37839f1020305292a21fd14a402b189c765a125226abSebastien Hertz bool old_exception_report_flag; 378462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers { 378562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation old_throw_location; 378662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* old_exception_obj = soa.Self()->GetException(&old_throw_location); 3787eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_this_object.Assign(old_throw_location.GetThis()); 3788eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_method.Assign(old_throw_location.GetMethod()); 3789eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_exception.Assign(old_exception_obj); 379062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc = old_throw_location.GetDexPc(); 37919f1020305292a21fd14a402b189c765a125226abSebastien Hertz old_exception_report_flag = soa.Self()->IsExceptionReportedToInstrumentation(); 379262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 379362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 3794d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3795d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Translate the method through the vtable, unless the debugger wants to suppress it. 3796eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtMethod> m(hs.NewHandle(pReq->method)); 3797d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz if ((pReq->options & JDWP::INVOKE_NONVIRTUAL) == 0 && pReq->receiver != NULL) { 3798eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier mirror::ArtMethod* actual_method = pReq->klass->FindVirtualMethodForVirtualOrInterface(m.Get()); 3799eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (actual_method != m.Get()) { 3800eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod translated " << PrettyMethod(m.Get()) << " to " << PrettyMethod(actual_method); 3801eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier m.Assign(actual_method); 380245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 3803d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3804eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod " << PrettyMethod(m.Get()) 3805d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " receiver=" << pReq->receiver 3806d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " arg_count=" << pReq->arg_count; 3807eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier CHECK(m.Get() != nullptr); 3808d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3809d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes CHECK_EQ(sizeof(jvalue), sizeof(uint64_t)); 3810d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3811eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier pReq->result_value = InvokeWithJValues(soa, pReq->receiver, soa.EncodeMethod(m.Get()), 381253b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers reinterpret_cast<jvalue*>(pReq->arg_values)); 3813d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 381462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 381562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 381662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers pReq->exception = gRegistry->Add(exception); 3817bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier pReq->result_tag = BasicTagFromDescriptor(m.Get()->GetShorty()); 3818d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (pReq->exception != 0) { 381962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers VLOG(jdwp) << " JDWP invocation returning with exception=" << exception 382062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << " " << exception->Dump(); 3821f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes pReq->result_value.SetJ(0); 3822d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else if (pReq->result_tag == JDWP::JT_OBJECT) { 3823d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* if no exception thrown, examine object result more closely */ 38249837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag new_tag = TagFromObject(soa, pReq->result_value.GetL()); 3825d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (new_tag != pReq->result_tag) { 38264dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " JDWP promoted result from " << pReq->result_tag << " to " << new_tag; 3827d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes pReq->result_tag = new_tag; 3828d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3829d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3830d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3831d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Register the object. We don't actually need an ObjectId yet, 3832d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * but we do need to be sure that the GC won't move or discard the 3833d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * object when we switch out of RUNNING. The ObjectId conversion 3834d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * will add the object to the "do not touch" list. 3835d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3836d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We can't use the "tracked allocation" mechanism here because 3837d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the object is going to be handed off to a different thread. 3838d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3839f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes gRegistry->Add(pReq->result_value.GetL()); 3840d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3841d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3842eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (old_exception.Get() != NULL) { 3843eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ThrowLocation gc_safe_throw_location(old_throw_this_object.Get(), old_throw_method.Get(), 384462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc); 3845eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier soa.Self()->SetException(gc_safe_throw_location, old_exception.Get()); 38469f1020305292a21fd14a402b189c765a125226abSebastien Hertz soa.Self()->SetExceptionReportedToInstrumentation(old_exception_report_flag); 3847d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3848872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3849872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3850d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes/* 38514b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes * "request" contains a full JDWP packet, possibly with multiple chunks. We 3852f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * need to process each, accumulate the replies, and ship the whole thing 3853f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * back. 3854f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3855f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Returns "true" if we have a reply. The reply buffer is newly allocated, 3856f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * and includes the chunk type/length, followed by the data. 3857f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 38583d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes * OLD-TODO: we currently assume that the request and reply include a single 3859f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * chunk. If this becomes inconvenient we will need to adapt. 3860f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 38614b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughesbool Dbg::DdmHandlePacket(JDWP::Request& request, uint8_t** pReplyBuf, int* pReplyLen) { 3862f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes Thread* self = Thread::Current(); 3863f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes JNIEnv* env = self->GetJniEnv(); 3864f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 38654b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t type = request.ReadUnsigned32("type"); 38664b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t length = request.ReadUnsigned32("length"); 38674b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 38684b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes // Create a byte[] corresponding to 'request'. 38694b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes size_t request_length = request.size(); 38704b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes ScopedLocalRef<jbyteArray> dataArray(env, env->NewByteArray(request_length)); 38716a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (dataArray.get() == NULL) { 38724b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes LOG(WARNING) << "byte[] allocation failed: " << request_length; 3873f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3874f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3875f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 38764b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes env->SetByteArrayRegion(dataArray.get(), 0, request_length, reinterpret_cast<const jbyte*>(request.data())); 38774b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes request.Skip(request_length); 3878f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3879f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Run through and find all chunks. [Currently just find the first.] 38806a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ScopedByteArrayRO contents(env, dataArray.get()); 38814b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (length != request_length) { 3882ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers LOG(WARNING) << StringPrintf("bad chunk found (len=%u pktLen=%zd)", length, request_length); 3883f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3884f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3885f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3886f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Call "private static Chunk dispatch(int type, byte[] data, int offset, int length)". 3887eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jobject> chunk(env, env->CallStaticObjectMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3888eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch, 38894b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes type, dataArray.get(), 0, length)); 3890f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (env->ExceptionCheck()) { 3891f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(INFO) << StringPrintf("Exception thrown by dispatcher for 0x%08x", type); 3892f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionDescribe(); 3893f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3894f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3895f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3896f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 38976a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (chunk.get() == NULL) { 3898f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3899f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3900f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3901f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes /* 3902f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Pull the pieces out of the chunk. We copy the results into a 3903f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * newly-allocated buffer that the caller can free. We don't want to 3904f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * continue using the Chunk object because nothing has a reference to it. 3905f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3906f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * We could avoid this by returning type/data/offset/length and having 3907f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * the caller be aware of the object lifetime issues, but that 390881ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * integrates the JDWP code more tightly into the rest of the runtime, and doesn't work 3909f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * if we have responses for multiple chunks. 3910f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3911f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * So we're pretty much stuck with copying data around multiple times. 3912f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 3913eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jbyteArray> replyData(env, reinterpret_cast<jbyteArray>(env->GetObjectField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data))); 39144b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes jint offset = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset); 3915eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes length = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length); 3916eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes type = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type); 3917f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 39184dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << StringPrintf("DDM reply: type=0x%08x data=%p offset=%d length=%d", type, replyData.get(), offset, length); 39196a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (length == 0 || replyData.get() == NULL) { 3920f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3921f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3922f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 39234b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes const int kChunkHdrLen = 8; 3924f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes uint8_t* reply = new uint8_t[length + kChunkHdrLen]; 3925f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (reply == NULL) { 3926f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(WARNING) << "malloc failed: " << (length + kChunkHdrLen); 3927f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3928f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3929f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 0, type); 3930f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 4, length); 39316a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes env->GetByteArrayRegion(replyData.get(), offset, length, reinterpret_cast<jbyte*>(reply + kChunkHdrLen)); 3932f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3933f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyBuf = reply; 3934f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyLen = length + kChunkHdrLen; 3935f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 39364b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes VLOG(jdwp) << StringPrintf("dvmHandleDdm returning type=%.4s %p len=%d", reinterpret_cast<char*>(reply), reply, length); 3937f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return true; 3938872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3939872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3940a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::DdmBroadcast(bool connect) { 39414dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Broadcasting DDM " << (connect ? "connect" : "disconnect") << "..."; 394247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 394347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes Thread* self = Thread::Current(); 394450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->GetState() != kRunnable) { 394550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers LOG(ERROR) << "DDM broadcast in thread state " << self->GetState(); 394650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers /* try anyway? */ 394747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 394847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 394947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes JNIEnv* env = self->GetJniEnv(); 395047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes jint event = connect ? 1 /*DdmServer.CONNECTED*/ : 2 /*DdmServer.DISCONNECTED*/; 3951eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes env->CallStaticVoidMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3952eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast, 3953eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes event); 395447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (env->ExceptionCheck()) { 395547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes LOG(ERROR) << "DdmServer.broadcast " << event << " failed"; 395647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionDescribe(); 395747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionClear(); 395847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 395947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 396047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3961872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmConnected() { 3962a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(true); 3963872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3964872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3965872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmDisconnected() { 3966a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(false); 396747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = false; 396847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 396947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 397047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes/* 39718218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes * Send a notification when a thread starts, stops, or changes its name. 397247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * 397347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * Because we broadcast the full set of threads when the notifications are 397447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * first enabled, it's possible for "thread" to be actively executing. 397547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes */ 39768218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendThreadNotification(Thread* t, uint32_t type) { 397747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (!gDdmThreadNotification) { 397847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes return; 397947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 398047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 39818218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes if (type == CHUNK_TYPE("THDE")) { 39828218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes uint8_t buf[4]; 3983d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Set4BE(&buf[0], t->GetThreadId()); 39848218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("THDE"), 4, buf); 39858218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes } else { 39868218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes CHECK(type == CHUNK_TYPE("THCR") || type == CHUNK_TYPE("THNM")) << type; 398700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 3988eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 3989eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::String> name(hs.NewHandle(t->GetThreadName(soa))); 3990eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier size_t char_count = (name.Get() != NULL) ? name->GetLength() : 0; 3991eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier const jchar* chars = (name.Get() != NULL) ? name->GetCharArray()->GetData() : NULL; 399247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 399321f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3994d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Append4BE(bytes, t->GetThreadId()); 3995545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::AppendUtf16BE(bytes, chars, char_count); 399621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), char_count*2 + sizeof(uint32_t)*2); 399721f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(type, bytes); 399847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 399947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 400047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 400147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::DdmSetThreadNotification(bool enable) { 400200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Enable/disable thread notifications. 400347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = enable; 400447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (enable) { 400500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend the VM then post thread start notifications for all threads. Threads attaching will 400600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // see a suspension in progress and block until that ends. They then post their own start 400700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // notification. 400800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers SuspendVM(); 400900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::list<Thread*> threads; 401050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 401100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 401250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, *Locks::thread_list_lock_); 401300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers threads = Runtime::Current()->GetThreadList()->GetList(); 401400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 401500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 401650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 401702e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (Thread* thread : threads) { 401802e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier Dbg::DdmSendThreadNotification(thread, CHUNK_TYPE("THCR")); 401900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 402000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 402100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ResumeVM(); 402247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 402347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 402447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 4025a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::PostThreadStartOrStop(Thread* t, uint32_t type) { 4026c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (IsDebuggerActive()) { 4027d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostThreadChange(t, type == CHUNK_TYPE("THCR")); 402847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 40298218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendThreadNotification(t, type); 403047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 403147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 403247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadStart(Thread* t) { 4033a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THCR")); 403447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 403547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 403647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadDeath(Thread* t) { 4037a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THDE")); 4038872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 4039872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 40408218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, size_t byte_count, const uint8_t* buf) { 40413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(buf != NULL); 40423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes iovec vec[1]; 40433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_base = reinterpret_cast<void*>(const_cast<uint8_t*>(buf)); 40443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_len = byte_count; 40453bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Dbg::DdmSendChunkV(type, vec, 1); 4046872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 4047872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 404821f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, const std::vector<uint8_t>& bytes) { 404921f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes DdmSendChunk(type, bytes.size(), &bytes[0]); 405021f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes} 405121f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes 4052f52935278fca8c7aa220543eef4544e3d1105d91Brian Carlstromvoid Dbg::DdmSendChunkV(uint32_t type, const iovec* iov, int iov_count) { 40533bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (gJdwpState == NULL) { 40544dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Debugger thread not active, ignoring DDM send: " << type; 40553bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4056cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes gJdwpState->DdmSendChunkV(type, iov, iov_count); 40573bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4058872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 4059872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 4060767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesint Dbg::DdmHandleHpifChunk(HpifWhen when) { 4061767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when == HPIF_WHEN_NOW) { 40627162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(when); 4063767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 4064767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4065767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4066767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPIF_WHEN_NEVER && when != HPIF_WHEN_NEXT_GC && when != HPIF_WHEN_EVERY_GC) { 4067767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpifWhen value: " << static_cast<int>(when); 4068767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 4069767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4070767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4071767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpifWhen = when; 4072767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 4073767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4074767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4075767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesbool Dbg::DdmHandleHpsgNhsgChunk(Dbg::HpsgWhen when, Dbg::HpsgWhat what, bool native) { 4076767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPSG_WHEN_NEVER && when != HPSG_WHEN_EVERY_GC) { 4077767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhen value: " << static_cast<int>(when); 4078767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 4079767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4080767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4081767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (what != HPSG_WHAT_MERGED_OBJECTS && what != HPSG_WHAT_DISTINCT_OBJECTS) { 4082767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhat value: " << static_cast<int>(what); 4083767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 4084767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4085767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4086767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (native) { 4087767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhen = when; 4088767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhat = what; 4089767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } else { 4090767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhen = when; 4091767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhat = what; 4092767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4093767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 4094767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4095767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 40967162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughesvoid Dbg::DdmSendHeapInfo(HpifWhen reason) { 40977162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes // If there's a one-shot 'when', reset it. 40987162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (reason == gDdmHpifWhen) { 40997162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (gDdmHpifWhen == HPIF_WHEN_NEXT_GC) { 41007162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes gDdmHpifWhen = HPIF_WHEN_NEVER; 41017162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 41027162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 41037162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes 41047162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes /* 41057162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Chunk HPIF (client --> server) 41067162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 41077162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Heap Info. General information about the heap, 41087162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * suitable for a summary display. 41097162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 41107162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: number of heaps 41117162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 41127162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * For each heap: 41137162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: heap ID 41147162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u8]: timestamp in ms since Unix epoch 41157162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u1]: capture reason (same as 'when' value from server) 41167162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: max heap size in bytes (-Xmx) 41177162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current heap size in bytes 41187162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of bytes allocated 41197162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of objects allocated 41207162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes */ 41217162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes uint8_t heap_count = 1; 41221d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 412321f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 4124545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append4BE(bytes, heap_count); 41257934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 1); // Heap id (bogus; we only have one heap). 4126545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append8BE(bytes, MilliTime()); 4127545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append1BE(bytes, reason); 41287934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetMaxMemory()); // Max allowed heap size in bytes. 41297934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetTotalMemory()); // Current heap size in bytes. 4130b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetBytesAllocated()); 4131b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetObjectsAllocated()); 413221f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), 4U + (heap_count * (4 + 8 + 1 + 4 + 4 + 4 + 4))); 413321f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("HPIF"), bytes); 4134767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4135767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 41366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgSolidity { 41376a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FREE = 0, 41386a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_HARD = 1, 41396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SOFT = 2, 41406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_WEAK = 3, 41416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_PHANTOM = 4, 41426a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FINALIZABLE = 5, 41436a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SWEEP = 6, 41446a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 41456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgKind { 41476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_OBJECT = 0, 41486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_CLASS_OBJECT = 1, 41496a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_1 = 2, 41506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_2 = 3, 41516a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_4 = 4, 41526a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_8 = 5, 41536a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_UNKNOWN = 6, 41546a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_NATIVE = 7, 41556a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 41566a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41576a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_PARTIAL (1<<7) 41586a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_STATE(solidity, kind) ((uint8_t)((((kind) & 0x7) << 3) | ((solidity) & 0x7))) 41596a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 416030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogersclass HeapChunkContext { 416130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers public: 41626a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Maximum chunk size. Obtain this from the formula: 41636a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // (((maximum_heap_size / ALLOCATION_UNIT_SIZE) + 255) / 256) * 2 41646a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes HeapChunkContext(bool merge, bool native) 416530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers : buf_(16384 - 16), 416630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_(0), 416736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier merge_(merge), 416836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier chunk_overhead_(0) { 41696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 41706a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (native) { 417130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = CHUNK_TYPE("NHSG"); 41726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 417330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = merge ? CHUNK_TYPE("HPSG") : CHUNK_TYPE("HPSO"); 41746a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41766a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ~HeapChunkContext() { 417830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (p_ > &buf_[0]) { 41796a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Flush(); 41806a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41826a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 418336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier void SetChunkOverhead(size_t chunk_overhead) { 418436dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier chunk_overhead_ = chunk_overhead; 418536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } 418636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier 418736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier void ResetStartOfNextChunk() { 418836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier startOfNextMemoryChunk_ = nullptr; 418936dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } 419036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier 41916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void EnsureHeader(const void* chunk_ptr) { 419230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (!needHeader_) { 41936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 41946a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41956a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41966a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Start a new HPSx chunk. 41977934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 1); // Heap id (bogus; we only have one heap). 41987934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write1BE(&p_, 8); // Size of allocation unit, in bytes. 41996a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 42007934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, reinterpret_cast<uintptr_t>(chunk_ptr)); // virtual address of segment start. 42017934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 0); // offset of this piece (relative to the virtual address). 42026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // [u4]: length of piece, in allocation units 42036a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // We won't know this until we're done, so save the offset and stuff in a dummy value. 420430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = p_; 420530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Write4BE(&p_, 0x55555555); 420630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = false; 42076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 42086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4209b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers void Flush() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4210d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers if (pieceLenField_ == NULL) { 4211d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers // Flush immediately post Reset (maybe back-to-back Flush). Ignore. 4212d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers CHECK(needHeader_); 4213d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers return; 4214d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers } 42156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Patch the "length of piece" field. 421630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(&buf_[0], pieceLenField_); 421730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(pieceLenField_, p_); 421830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Set4BE(pieceLenField_, totalAllocationUnits_); 42196a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 422030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers Dbg::DdmSendChunk(type_, p_ - &buf_[0], &buf_[0]); 42216a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 42226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 42236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 422400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers static void HeapChunkCallback(void* start, void* end, size_t used_bytes, void* arg) 4225b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 4226b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 422730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers reinterpret_cast<HeapChunkContext*>(arg)->HeapChunkCallback(start, end, used_bytes); 4228a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 4229a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 42306a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes private: 4231a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes enum { ALLOCATION_UNIT_SIZE = 8 }; 4232a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 42336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void Reset() { 423430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers p_ = &buf_[0]; 423536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier ResetStartOfNextChunk(); 423630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers totalAllocationUnits_ = 0; 423730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = true; 423830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = NULL; 42396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 42406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 424100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void HeapChunkCallback(void* start, void* /*end*/, size_t used_bytes) 4242b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 4243b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 424430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // Note: heap call backs cannot manipulate the heap upon which they are crawling, care is taken 424530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // in the following code not to allocate memory, by ensuring buf_ is of the correct size 424615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (used_bytes == 0) { 424715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start == NULL) { 424815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Reset for start of new heap. 424915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 425015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 425115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 425215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Only process in use memory so that free region information 425315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // also includes dlmalloc book keeping. 4254a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 4255a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 42566a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 425715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers /* If we're looking at the native heap, we'll just return 425815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers * (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks 425915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers */ 426015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool native = type_ == CHUNK_TYPE("NHSG"); 426115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 426236dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // TODO: I'm not sure using start of next chunk works well with multiple spaces. We shouldn't 426336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // count gaps inbetween spaces as free memory. 426415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (startOfNextMemoryChunk_ != NULL) { 426515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Transmit any pending free memory. Native free memory of 426615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // over kMaxFreeLen could be because of the use of mmaps, so 426715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // don't report. If not free memory then start a new segment. 426815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool flush = true; 426915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start > startOfNextMemoryChunk_) { 427015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t kMaxFreeLen = 2 * kPageSize; 427115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeStart = startOfNextMemoryChunk_; 427215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeEnd = start; 42732d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom size_t freeLen = reinterpret_cast<char*>(freeEnd) - reinterpret_cast<char*>(freeStart); 427415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (!native || freeLen < kMaxFreeLen) { 427515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(HPSG_STATE(SOLIDITY_FREE, 0), freeStart, freeLen); 427615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers flush = false; 427715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 427815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 427915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (flush) { 428015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 428115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 428215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 428315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 4284ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* obj = reinterpret_cast<mirror::Object*>(start); 4285a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 4286a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Determine the type of this chunk. 4287a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // OLD-TODO: if context.merge, see if this chunk is different from the last chunk. 4288a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If it's the same, we should combine them. 428915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers uint8_t state = ExamineObject(obj, native); 429036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier AppendChunk(state, start, used_bytes + chunk_overhead_); 429136dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier startOfNextMemoryChunk_ = reinterpret_cast<char*>(start) + used_bytes + chunk_overhead_; 429215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 429315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 429415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void AppendChunk(uint8_t state, void* ptr, size_t length) 4295b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 429615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Make sure there's enough room left in the buffer. 429715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // We need to use two bytes for every fractional 256 allocation units used by the chunk plus 429815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // 17 bytes for any header. 429915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t needed = (((length/ALLOCATION_UNIT_SIZE + 255) / 256) * 2) + 17; 430015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 430115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 430215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 430315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 4304a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 430515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 430615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 430715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(WARNING) << "Chunk is too big to transmit (chunk_len=" << length << ", " 430815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers << needed << " bytes)"; 430915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return; 431015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 431115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers EnsureHeader(ptr); 4312a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Write out the chunk description. 431315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length /= ALLOCATION_UNIT_SIZE; // Convert to allocation units. 431415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers totalAllocationUnits_ += length; 431515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers while (length > 256) { 431630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state | HPSG_PARTIAL; 431730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = 255; // length - 1 431815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length -= 256; 4319a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 432030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state; 432115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers *p_++ = length - 1; 43226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4324ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint8_t ExamineObject(mirror::Object* o, bool is_native_heap) 4325ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::heap_bitmap_lock_) { 4326a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o == NULL) { 4327a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_FREE, 0); 4328a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43296a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4330a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // It's an allocated chunk. Figure out what it is. 43316a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4332a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If we're looking at the native heap, we'll just return 4333a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks. 433400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (is_native_heap) { 4335a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 43366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43376a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 43385bfa60ffcc953340feb711ed05cf576ac821905eIan Rogers if (!Runtime::Current()->GetHeap()->IsLiveObjectLocked(o)) { 433915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 434000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 434100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 43422dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = o->GetClass(); 4343a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c == NULL) { 4344a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // The object was probably just created but hasn't been initialized yet. 4345a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 4346a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4348590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(c)) { 434915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(ERROR) << "Invalid class for managed heap object: " << o << " " << c; 4350a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_UNKNOWN); 4351a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43526a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 435365370e37b3fd9e53e3c1bce5757912e8309cd305Mathieu Chartier if (c->GetClass() == nullptr) { 435465370e37b3fd9e53e3c1bce5757912e8309cd305Mathieu Chartier LOG(ERROR) << "Null class of class " << c << " for object " << o; 435565370e37b3fd9e53e3c1bce5757912e8309cd305Mathieu Chartier return HPSG_STATE(SOLIDITY_HARD, KIND_UNKNOWN); 435665370e37b3fd9e53e3c1bce5757912e8309cd305Mathieu Chartier } 435765370e37b3fd9e53e3c1bce5757912e8309cd305Mathieu Chartier 4358a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsClassClass()) { 4359a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_CLASS_OBJECT); 43606a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43616a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4362a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 4363a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o->IsObjectArray()) { 4364a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 4365a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 4366a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes switch (c->GetComponentSize()) { 4367a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 1: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_1); 4368a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 2: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_2); 4369a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 4: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 4370a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 8: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_8); 4371a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43736a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4374a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 43756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43766a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 437730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers std::vector<uint8_t> buf_; 437830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* p_; 437930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* pieceLenField_; 438015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* startOfNextMemoryChunk_; 438130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers size_t totalAllocationUnits_; 438230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint32_t type_; 438330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool merge_; 438430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool needHeader_; 438536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier size_t chunk_overhead_; 438630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers 4387a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes DISALLOW_COPY_AND_ASSIGN(HeapChunkContext); 4388a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes}; 43896a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 439036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartierstatic void BumpPointerSpaceCallback(mirror::Object* obj, void* arg) 439136dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) EXCLUSIVE_LOCKS_REQUIRED(Locks::heap_bitmap_lock_) { 439236dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier const size_t size = RoundUp(obj->SizeOf(), kObjectAlignment); 439336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier HeapChunkContext::HeapChunkCallback( 439436dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier obj, reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(obj) + size), size, arg); 439536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier} 439636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier 43976a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesvoid Dbg::DdmSendHeapSegments(bool native) { 43986a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhen when; 43996a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhat what; 44006a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (!native) { 44016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmHpsgWhen; 44026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmHpsgWhat; 44036a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 44046a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmNhsgWhen; 44056a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmNhsgWhat; 44066a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 44076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (when == HPSG_WHEN_NEVER) { 44086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 44096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 44106a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 44116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Figure out what kind of chunks we'll be sending. 44126a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes CHECK(what == HPSG_WHAT_MERGED_OBJECTS || what == HPSG_WHAT_DISTINCT_OBJECTS) << static_cast<int>(what); 44136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 44146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // First, send a heap start chunk. 44156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes uint8_t heap_id[4]; 44167934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Set4BE(&heap_id[0], 1); // Heap id (bogus; we only have one heap). 44176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHST") : CHUNK_TYPE("HPST"), sizeof(heap_id), heap_id); 44186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4419cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Thread* self = Thread::Current(); 4420cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 4421cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 4422cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 44236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Send a series of heap segment chunks. 4424a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes HeapChunkContext context((what == HPSG_WHAT_MERGED_OBJECTS), native); 4425a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (native) { 4426c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#ifdef USE_DLMALLOC 44271d54e73444e017d3a65234e0f193846f3e27472bIan Rogers dlmalloc_inspect_all(HeapChunkContext::HeapChunkCallback, &context); 4428c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#else 4429c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris UNIMPLEMENTED(WARNING) << "Native heap inspection is only supported with dlmalloc"; 4430c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#endif 4431a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 44321d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 443336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier for (const auto& space : heap->GetContinuousSpaces()) { 443436dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier if (space->IsDlMallocSpace()) { 4435d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 443636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // dlmalloc's chunk header is 2 * sizeof(size_t), but if the previous chunk is in use for an 443736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // allocation then the first sizeof(size_t) may belong to it. 443836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(sizeof(size_t)); 443936dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier space->AsDlMallocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 444036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } else if (space->IsRosAllocSpace()) { 444136dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(0); 4442d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier // Need to acquire the mutator lock before the heap bitmap lock with exclusive access since 4443d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier // RosAlloc's internal logic doesn't know to release and reacquire the heap bitmap lock. 4444d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier self->TransitionFromRunnableToSuspended(kSuspended); 4445d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ThreadList* tl = Runtime::Current()->GetThreadList(); 4446d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier tl->SuspendAll(); 4447d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier { 4448d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 4449d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier space->AsRosAllocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4450d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier } 4451d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier tl->ResumeAll(); 4452d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier self->TransitionFromSuspendedToRunnable(); 445336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } else if (space->IsBumpPointerSpace()) { 4454d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 445536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(0); 445636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier space->AsBumpPointerSpace()->Walk(BumpPointerSpaceCallback, &context); 445736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } else { 445836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier UNIMPLEMENTED(WARNING) << "Not counting objects in space " << *space; 4459b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 446036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.ResetStartOfNextChunk(); 4461b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 4462d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 4463e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier // Walk the large objects, these are not in the AllocSpace. 446436dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(0); 4465e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier heap->GetLargeObjectsSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4466a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 44676a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 44686a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Finally, send a heap end chunk. 44696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHEN") : CHUNK_TYPE("HPEN"), sizeof(heap_id), heap_id); 4470767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4471767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4472b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughesstatic size_t GetAllocTrackerMax() { 4473b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#ifdef HAVE_ANDROID_OS 4474b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes // Check whether there's a system property overriding the number of records. 4475b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes const char* propertyName = "dalvik.vm.allocTrackerMax"; 4476b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char allocRecordMaxString[PROPERTY_VALUE_MAX]; 4477b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (property_get(propertyName, allocRecordMaxString, "") > 0) { 4478b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char* end; 4479b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes size_t value = strtoul(allocRecordMaxString, &end, 10); 4480b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (*end != '\0') { 44813e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 44823e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- invalid"; 4483b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4484b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4485b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (!IsPowerOfTwo(value)) { 44863e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 44873e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- not power of two"; 4488b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4489b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4490b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return value; 4491b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4492b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#endif 4493b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4494b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes} 4495b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes 4496f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstromvoid Dbg::SetAllocTrackingEnabled(bool enable) { 4497f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom Thread* self = Thread::Current(); 4498f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom if (enable) { 4499b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4500f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 4501f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom if (recent_allocation_records_ != NULL) { 4502f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom return; // Already enabled, bail. 4503b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4504f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom alloc_record_max_ = GetAllocTrackerMax(); 4505f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom LOG(INFO) << "Enabling alloc tracker (" << alloc_record_max_ << " entries of " 4506f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom << kMaxAllocRecordStackDepth << " frames, taking " 4507f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom << PrettySize(sizeof(AllocRecord) * alloc_record_max_) << ")"; 4508f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom DCHECK_EQ(alloc_record_head_, 0U); 4509f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom DCHECK_EQ(alloc_record_count_, 0U); 4510f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom recent_allocation_records_ = new AllocRecord[alloc_record_max_]; 4511f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom CHECK(recent_allocation_records_ != NULL); 4512545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4513a98ffd745bbecb2e84a492194950c0b94966546bMathieu Chartier Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints(); 4514545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } else { 4515b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4516f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom ScopedObjectAccess soa(self); // For type_cache_.Clear(); 4517f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 4518f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom if (recent_allocation_records_ == NULL) { 4519f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom return; // Already disabled, bail. 4520f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom } 45214345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier LOG(INFO) << "Disabling alloc tracker"; 4522b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz delete[] recent_allocation_records_; 4523b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = NULL; 4524f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom alloc_record_head_ = 0; 4525f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom alloc_record_count_ = 0; 45264345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier type_cache_.Clear(); 4527b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4528f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom // If an allocation comes in before we uninstrument, we will safely drop it on the floor. 4529a98ffd745bbecb2e84a492194950c0b94966546bMathieu Chartier Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints(); 4530545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4531545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4532545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 45330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct AllocRecordStackVisitor : public StackVisitor { 45347a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor(Thread* thread, AllocRecord* record) 4535b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 45367a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), record(record), depth(0) {} 4537545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 453800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 453900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 454000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 4541545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (depth >= kMaxAllocRecordStackDepth) { 4542530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 4543545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4544ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 45450399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 4546b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetMethod(m); 4547b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetDexPc(GetDexPc()); 4548530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes ++depth; 4549545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4550530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 4551545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4552545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4553545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ~AllocRecordStackVisitor() { 4554545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Clear out any unused stack trace elements. 4555545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (; depth < kMaxAllocRecordStackDepth; ++depth) { 4556b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetMethod(nullptr); 4557b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetDexPc(0); 4558545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4559545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4560545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4561545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record; 4562545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth; 4563545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4564545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 45652dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::RecordAllocation(mirror::Class* type, size_t byte_count) { 4566545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes Thread* self = Thread::Current(); 4567545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes CHECK(self != NULL); 4568545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4569f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 4570545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4571f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom // In the process of shutting down recording, bail. 4572545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4573545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4574545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4575545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Advance and clip. 4576719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (++alloc_record_head_ == alloc_record_max_) { 4577719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_record_head_ = 0; 4578545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4579545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4580545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the basics. 4581719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[alloc_record_head_]; 4582b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetType(type); 4583b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetByteCount(byte_count); 4584b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetThinLockId(self->GetThreadId()); 4585545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4586545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the stack trace. 45877a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor visitor(self, record); 45880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 4589545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4590719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (alloc_record_count_ < alloc_record_max_) { 4591719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers ++alloc_record_count_; 4592545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4593545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4594545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4595a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// Returns the index of the head element. 4596a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4597f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom// We point at the most-recently-written record, so if alloc_record_count_ is 1 4598a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// we want to use the current element. Take "head+1" and subtract count 4599a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// from it. 4600a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4601a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We need to handle underflow in our circular buffer, so we add 4602f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom// alloc_record_max_ and then mask it back down. 4603719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::HeadIndex() { 4604719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers return (Dbg::alloc_record_head_ + 1 + Dbg::alloc_record_max_ - Dbg::alloc_record_count_) & 4605719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers (Dbg::alloc_record_max_ - 1); 4606545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4607545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4608545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::DumpRecentAllocations() { 460900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 4610f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(soa.Self(), *Locks::alloc_tracker_lock_); 4611545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4612545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << "Not recording tracked allocations"; 4613545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4614545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4615545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4616545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // "i" is the head of the list. We want to start at the end of the 4617545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // list and move forward to the tail. 4618a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t i = HeadIndex(); 4619f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom const uint16_t capped_count = CappedAllocRecordCount(Dbg::alloc_record_count_); 4620f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom uint16_t count = capped_count; 4621545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4622719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "Tracked allocations, (head=" << alloc_record_head_ << " count=" << count << ")"; 4623545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (count--) { 4624545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record = &recent_allocation_records_[i]; 4625545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4626b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi LOG(INFO) << StringPrintf(" Thread %-2d %6zd bytes ", record->ThinLockId(), record->ByteCount()) 4627b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi << PrettyClass(record->Type()); 4628545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4629545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 4630b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement* stack_element = record->StackElement(stack_frame); 4631b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = stack_element->Method(); 4632545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (m == NULL) { 4633545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes break; 4634545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4635b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi LOG(INFO) << " " << PrettyMethod(m) << " line " << stack_element->LineNumber(); 4636545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4637545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4638545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // pause periodically to help logcat catch up 4639545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if ((count % 5) == 0) { 4640545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes usleep(40000); 4641545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4642545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4643719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4644545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4645545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4646545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4647545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesclass StringTable { 4648545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes public: 4649545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes StringTable() { 4650545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4651545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 46524345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier void Add(const std::string& str) { 46534345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier table_.insert(str); 46544345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 46554345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier 46564345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier void Add(const char* str) { 46574345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier table_.insert(str); 4658545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4659545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4660a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t IndexOf(const char* s) const { 466102e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier auto it = table_.find(s); 4662a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes if (it == table_.end()) { 4663a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(FATAL) << "IndexOf(\"" << s << "\") failed"; 4664a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes } 4665a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes return std::distance(table_.begin(), it); 4666545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4667545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4668a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t Size() const { 4669545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return table_.size(); 4670545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4671545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4672a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes void WriteTo(std::vector<uint8_t>& bytes) const { 467302e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::string& str : table_) { 467402e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const char* s = str.c_str(); 46756d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers size_t s_len = CountModifiedUtf8Chars(s); 4676700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<uint16_t> s_utf16(new uint16_t[s_len]); 46776d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ConvertModifiedUtf8ToUtf16(s_utf16.get(), s); 46786d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::AppendUtf16BE(bytes, s_utf16.get(), s_len); 4679545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4680545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4681545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4682545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes private: 4683a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes std::set<std::string> table_; 4684545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DISALLOW_COPY_AND_ASSIGN(StringTable); 4685545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4686545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4687bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartierstatic const char* GetMethodSourceFile(mirror::ArtMethod* method) 4688280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4689bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DCHECK(method != nullptr); 4690bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* source_file = method->GetDeclaringClassSourceFile(); 4691280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz return (source_file != nullptr) ? source_file : ""; 4692280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz} 4693280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz 4694545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes/* 4695545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The data we send to DDMS contains everything we have recorded. 4696545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4697545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * Message header (all values big-endian): 4698545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) message header len (to allow future expansion); includes itself 4699545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) entry header len 4700545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack frame len 4701545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of entries 4702545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) offset to string table from start of message 4703545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of class name strings 4704545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of method name strings 4705545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of source file name strings 4706545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each entry: 4707545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) total allocation size 4708221229cb523f849f165fdafbf9785010963715daElliott Hughes * (2b) thread id 4709545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) allocated object's class name index 4710545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack depth 4711545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each stack frame: 4712545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method's class name 4713545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method name 4714545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method source file 4715545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) line number, clipped to 32767; -2 if native; -1 if no source 4716545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) class name strings 4717545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) method name strings 4718545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) source file strings 4719545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4720545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * As with other DDM traffic, strings are sent as a 4-byte length 4721545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * followed by UTF-16 data. 4722545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4723545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We send up 16-bit unsigned indexes into string tables. In theory there 4724f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom * can be (kMaxAllocRecordStackDepth * alloc_record_max_) unique strings in 4725545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * each table, but in practice there should be far fewer. 4726545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4727545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The chief reason for using a string table here is to keep the size of 4728545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * the DDMS message to a minimum. This is partly to make the protocol 4729545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * efficient, but also because we have to form the whole thing up all at 4730545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * once in a memory buffer. 4731545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4732545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We use separate string tables for class names, method names, and source 4733545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * files to keep the indexes small. There will generally be no overlap 4734545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * between the contents of these tables. 4735545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes */ 4736545a064aca775ba801790fced3d713d8a87bfc61Elliott HughesjbyteArray Dbg::GetRecentAllocations() { 4737545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (false) { 4738545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DumpRecentAllocations(); 4739545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4740545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 474150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 474246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier std::vector<uint8_t> bytes; 474346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier { 4744f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 474546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 474646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 1: generate string tables. 474746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 474846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable class_names; 474946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable method_names; 475046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable filenames; 475146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4752f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom const uint16_t capped_count = CappedAllocRecordCount(Dbg::alloc_record_count_); 4753f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom uint16_t count = capped_count; 4754f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom size_t idx = HeadIndex(); 475546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 475646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 4757cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 4758cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers class_names.Add(record->Type()->GetDescriptor(&temp)); 475946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t i = 0; i < kMaxAllocRecordStackDepth; i++) { 4760b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = record->StackElement(i)->Method(); 476146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier if (m != NULL) { 4762bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier class_names.Add(m->GetDeclaringClassDescriptor()); 4763bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier method_names.Add(m->GetName()); 4764bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier filenames.Add(GetMethodSourceFile(m)); 476546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 476646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 4767545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4768719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 476946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 477046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4771f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom LOG(INFO) << "allocation records: " << capped_count; 477246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 477346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 477446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 2: Generate the output and store it in the buffer. 477546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 477646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 477746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) message header len (to allow future expansion); includes itself 477846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) entry header len 477946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack frame len 478046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kMessageHeaderLen = 15; 478146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kEntryHeaderLen = 9; 478246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kStackFrameLen = 8; 478346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kMessageHeaderLen); 478446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kEntryHeaderLen); 478546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kStackFrameLen); 478646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 478746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of entries 478846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) offset to string table from start of message 478946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of class name strings 479046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of method name strings 479146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of source file name strings 4792f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom JDWP::Append2BE(bytes, capped_count); 479346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t string_table_offset = bytes.size(); 47947934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 0); // We'll patch this later... 479546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_names.Size()); 479646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_names.Size()); 479746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, filenames.Size()); 479846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 479946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier idx = HeadIndex(); 4800cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 4801f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom for (count = capped_count; count != 0; --count) { 480246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each entry: 480346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) total allocation size 480446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) thread id 480546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) allocated object's class name index 480646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack depth 480746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 480846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t stack_depth = record->GetDepth(); 4809f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t allocated_object_class_name_index = 4810cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers class_names.IndexOf(record->Type()->GetDescriptor(&temp)); 4811b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append4BE(bytes, record->ByteCount()); 4812b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append2BE(bytes, record->ThinLockId()); 481346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, allocated_object_class_name_index); 481446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, stack_depth); 481546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 481646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t stack_frame = 0; stack_frame < stack_depth; ++stack_frame) { 481746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each stack frame: 481846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method's class name 481946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method name 482046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method source file 482146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) line number, clipped to 32767; -2 if native; -1 if no source 4822b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = record->StackElement(stack_frame)->Method(); 4823bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t class_name_index = class_names.IndexOf(m->GetDeclaringClassDescriptor()); 4824bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t method_name_index = method_names.IndexOf(m->GetName()); 4825bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t file_name_index = filenames.IndexOf(GetMethodSourceFile(m)); 482646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_name_index); 482746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_name_index); 482846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, file_name_index); 4829b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append2BE(bytes, record->StackElement(stack_frame)->LineNumber()); 4830545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4831719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 4832545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4833545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 483446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) class name strings 483546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) method name strings 483646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) source file strings 483746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Set4BE(&bytes[string_table_offset], bytes.size()); 483846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.WriteTo(bytes); 483946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.WriteTo(bytes); 484046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier filenames.WriteTo(bytes); 4841545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 484250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers JNIEnv* env = self->GetJniEnv(); 4843545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes jbyteArray result = env->NewByteArray(bytes.size()); 4844545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (result != NULL) { 4845545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes env->SetByteArrayRegion(result, 0, bytes.size(), reinterpret_cast<const jbyte*>(&bytes[0])); 4846545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4847545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return result; 4848545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4849545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 48500ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchimirror::ArtMethod* DeoptimizationRequest::Method() const { 48510ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 48520ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return soa.DecodeMethod(method_); 48530ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi} 48540ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 48550ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchivoid DeoptimizationRequest::SetMethod(mirror::ArtMethod* m) { 48560ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 48570ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi method_ = soa.EncodeMethod(m); 48580ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi} 48590ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 4860872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace art 4861