debugger.cc revision f2134f684923454e00c8ca7675b431a8538131bc
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 3443b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid DebugInvokeReq::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 3453b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 3463b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (receiver != nullptr) { 3473b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&receiver, arg, tid, root_type); 3483b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3493b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (thread != nullptr) { 3503b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&thread, arg, tid, root_type); 3513b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3523b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (klass != nullptr) { 3533b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&klass), arg, tid, root_type); 3543b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3553b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 3563b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 3573b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3583b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 3593b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 360bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid DebugInvokeReq::Clear() { 361bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz invoke_needed = false; 362bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz receiver = nullptr; 363bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz thread = nullptr; 364bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz klass = nullptr; 365bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 366bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 367bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 3683b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid SingleStepControl::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 3693b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 3703b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 3713b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 3723b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3733b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 3743b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 375bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzbool SingleStepControl::ContainsDexPc(uint32_t dex_pc) const { 376bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz return dex_pcs.find(dex_pc) == dex_pcs.end(); 377bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 378bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 379bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid SingleStepControl::Clear() { 380bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz is_active = false; 381bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 382bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz dex_pcs.clear(); 383bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 384bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 385ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic bool IsBreakpoint(const mirror::ArtMethod* m, uint32_t dex_pc) 38609bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao LOCKS_EXCLUDED(Locks::breakpoint_lock_) 387b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 38859d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz ReaderMutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 389138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 3900ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (gBreakpoints[i].DexPc() == dex_pc && gBreakpoints[i].Method() == m) { 3918696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "Hit breakpoint #" << i << ": " << gBreakpoints[i]; 3928696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return true; 3938696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3948696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3958696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return false; 3968696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 3978696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 39852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertzstatic bool IsSuspendedForDebugger(ScopedObjectAccessUnchecked& soa, Thread* thread) 39952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) { 4009e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_suspend_count_lock_); 4019e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // A thread may be suspended for GC; in this code, we really want to know whether 4029e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // there's a debugger suspension active. 4039e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes return thread->IsSuspended() && thread->GetDebugSuspendCount() > 0; 4049e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes} 4059e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 4062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Array* DecodeArray(JDWP::RefTypeId id, JDWP::JdwpError& status) 407b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 408d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(id); 40964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 410436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 411436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 412436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 413436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsArrayInstance()) { 414436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_ARRAY; 415436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 416436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 417436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 418436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsArray(); 419436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 420436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 4212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Class* DecodeClass(JDWP::RefTypeId id, JDWP::JdwpError& status) 422b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 423d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(id); 42464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 425436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 426436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 427436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 428436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsClass()) { 429436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_CLASS; 430436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 431436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 432436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 433436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsClass(); 434436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 435436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 436221229cb523f849f165fdafbf9785010963715daElliott Hughesstatic JDWP::JdwpError DecodeThread(ScopedObjectAccessUnchecked& soa, JDWP::ObjectId thread_id, Thread*& thread) 437a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao EXCLUSIVE_LOCKS_REQUIRED(Locks::thread_list_lock_) 438b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) 439b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 440d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* thread_peer = Dbg::GetObjectRegistry()->Get<mirror::Object*>(thread_id); 44164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_peer == NULL || thread_peer == ObjectRegistry::kInvalidObject) { 442221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't even an object. 443221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_OBJECT; 444221229cb523f849f165fdafbf9785010963715daElliott Hughes } 445221229cb523f849f165fdafbf9785010963715daElliott Hughes 4462dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* java_lang_Thread = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 447221229cb523f849f165fdafbf9785010963715daElliott Hughes if (!java_lang_Thread->IsAssignableFrom(thread_peer->GetClass())) { 448221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't a thread. 449221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_THREAD; 450221229cb523f849f165fdafbf9785010963715daElliott Hughes } 451221229cb523f849f165fdafbf9785010963715daElliott Hughes 452221229cb523f849f165fdafbf9785010963715daElliott Hughes thread = Thread::FromManagedThread(soa, thread_peer); 453221229cb523f849f165fdafbf9785010963715daElliott Hughes if (thread == NULL) { 454221229cb523f849f165fdafbf9785010963715daElliott Hughes // This is a java.lang.Thread without a Thread*. Must be a zombie. 455221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_THREAD_NOT_ALIVE; 456436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 457221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 458436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 459436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 46024437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic JDWP::JdwpTag BasicTagFromDescriptor(const char* descriptor) { 46124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // JDWP deliberately uses the descriptor characters' ASCII values for its enum. 46224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // Note that by "basic" we mean that we don't get more specific than JT_OBJECT. 46324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return static_cast<JDWP::JdwpTag>(descriptor[0]); 46424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 46524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 466cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogersstatic JDWP::JdwpTag BasicTagFromClass(mirror::Class* klass) 467cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 468cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 469cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = klass->GetDescriptor(&temp); 470cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers return BasicTagFromDescriptor(descriptor); 471cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers} 472cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers 4739837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromClass(const ScopedObjectAccessUnchecked& soa, mirror::Class* c) 474b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 47586b0010c79ef95b5333cd540b7d3af34a9f1a643Elliott Hughes CHECK(c != NULL); 47624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsArrayClass()) { 47724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_ARRAY; 47824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 47924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsStringClass()) { 48024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_STRING; 4819837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4829837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (c->IsClassClass()) { 48324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_CLASS_OBJECT; 48424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 4859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 4879837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_class->IsAssignableFrom(c)) { 4889837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD; 4899837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4909837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4919837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4929837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_group_class = 4939837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 4949837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_group_class->IsAssignableFrom(c)) { 4959837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD_GROUP; 4969837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4979837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4989837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* class_loader_class = 5009837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader); 5019837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (class_loader_class->IsAssignableFrom(c)) { 5029837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_CLASS_LOADER; 5039837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 5049837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 5059837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_OBJECT; 50624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 50724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 50824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes/* 50924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Objects declared to hold Object might actually hold a more specific 51024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * type. The debugger may take a special interest in these (e.g. it 51124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * wants to display the contents of Strings), so we want to return an 51224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * appropriate tag. 51324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * 51424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Null objects are tagged JT_OBJECT. 51524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes */ 516d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::JdwpTag Dbg::TagFromObject(const ScopedObjectAccessUnchecked& soa, mirror::Object* o) { 5179837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return (o == NULL) ? JDWP::JT_OBJECT : TagFromClass(soa, o->GetClass()); 51824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 51924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 52024437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic bool IsPrimitiveTag(JDWP::JdwpTag tag) { 52124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes switch (tag) { 52224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BOOLEAN: 52324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BYTE: 52424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_CHAR: 52524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_FLOAT: 52624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_DOUBLE: 52724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_INT: 52824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_LONG: 52924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_SHORT: 53024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_VOID: 53124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return true; 53224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes default: 53324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return false; 53424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 53524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 53624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 5373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 5383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Handle one of the JDWP name/value pairs. 5393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * JDWP options are: 5413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * help: if specified, show help message and bail 5423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * transport: may be dt_socket or dt_shmem 5433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * address: for dt_socket, "host:port", or just "port" when listening 5443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * server: if "y", wait for debugger to attach; if "n", attach to debugger 5453bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * timeout: how long to wait for debugger to connect / listen 5463bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5473bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Useful with server=n (these aren't supported yet): 5483bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onthrow=<exception-name>: connect to debugger when exception thrown 5493bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onuncaught=y|n: connect to debugger when uncaught exception thrown 5503bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * launch=<command-line>: launch the debugger itself 5513bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5523bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * The "transport" option is required, as is "address" if server=n. 5533bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 5543bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool ParseJdwpOption(const std::string& name, const std::string& value) { 5553bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (name == "transport") { 5563bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "dt_socket") { 557376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportSocket; 5583bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "dt_android_adb") { 559376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportAndroidAdb; 5603bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5613bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP transport not supported: " << value; 5623bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5633bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5643bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "server") { 5653bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 566376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = false; 5673bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 568376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = true; 5693bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5703bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'server' must be 'y' or 'n'"; 5713bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5723bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5733bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "suspend") { 5743bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 575376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = false; 5763bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 577376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = true; 5783bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5793bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'suspend' must be 'y' or 'n'"; 5803bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5813bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5823bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "address") { 5833bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* this is either <port> or <host>:<port> */ 5843bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string port_string; 585376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host.clear(); 5863bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type colon = value.find(':'); 5873bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (colon != std::string::npos) { 588376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host = value.substr(0, colon); 5893bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value.substr(colon + 1); 5903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value; 5923bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5933bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (port_string.empty()) { 5943bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address missing port: " << value; 5953bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5963bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5973bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes char* end; 598ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes uint64_t port = strtoul(port_string.c_str(), &end, 10); 599ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (*end != '\0' || port > 0xffff) { 6003bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address has junk in port field: " << value; 6013bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6023bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 603376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.port = port; 6043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "launch" || name == "onthrow" || name == "oncaught" || name == "timeout") { 6053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* valid but unsupported */ 6063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring JDWP option '" << name << "'='" << value << "'"; 6073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 6083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring unrecognized JDWP option '" << name << "'='" << value << "'"; 6093bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6103bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 6123bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 6133bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 6153bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Parse the latter half of a -Xrunjdwp/-agentlib:jdwp= string, e.g.: 6163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * "transport=dt_socket,address=8000,server=y,suspend=n" 6173bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 6183bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesbool Dbg::ParseJdwpOptions(const std::string& options) { 6194dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "ParseJdwpOptions: " << options; 62047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 6213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::vector<std::string> pairs; 6223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Split(options, ',', pairs); 6233bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes for (size_t i = 0; i < pairs.size(); ++i) { 6253bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type equals = pairs[i].find('='); 6263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (equals == std::string::npos) { 6273bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Can't parse JDWP option '" << pairs[i] << "' in '" << options << "'"; 6283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6293bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes ParseJdwpOption(pairs[i].substr(0, equals), pairs[i].substr(equals + 1)); 6313bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 633376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpOptions.transport == JDWP::kJdwpTransportUnknown) { 6343bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP transport: " << options; 6353bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 636376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpOptions.server && (gJdwpOptions.host.empty() || gJdwpOptions.port == 0)) { 6373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP host and port when server=n: " << options; 6383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gJdwpConfigured = true; 6423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 6433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 6443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 645d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StartJdwp() { 646c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!gJdwpAllowed || !IsJdwpConfigured()) { 647376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes // No JDWP for you! 648376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes return; 649376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes } 650376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes 651719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers CHECK(gRegistry == nullptr); 652475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gRegistry = new ObjectRegistry; 653475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 654d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // Init JDWP if the debugger is enabled. This may connect out to a 655d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger, passively listen for a debugger, or block waiting for a 656d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger. 657376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpState = JDWP::JdwpState::Create(&gJdwpOptions); 658376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState == NULL) { 659f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // We probably failed because some other process has the port already, which means that 660f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // if we don't abort the user is likely to think they're talking to us when they're actually 661f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // talking to that other process. 6623d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Debugger thread failed to initialize"; 663d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 664d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes 665d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // If a debugger has already attached, send the "welcome" message. 666d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // This may cause us to suspend all threads. 667376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState->IsActive()) { 66800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 669376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpState->PostVMStart()) { 6703d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(WARNING) << "Failed to post 'start' message to debugger"; 671d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 672d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 673872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 674872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 675d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StopJdwp() { 676d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz // Post VM_DEATH event before the JDWP connection is closed (either by the JDWP thread or the 677d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz // destruction of gJdwpState). 678d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz if (gJdwpState != nullptr && gJdwpState->IsActive()) { 679d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz gJdwpState->PostVMDeath(); 680d8b3537b89fa68599534a65afc3b272639cd4a75Sebastien Hertz } 6810376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz // Prevent the JDWP thread from processing JDWP incoming packets after we close the connection. 6820376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz Disposed(); 683376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes delete gJdwpState; 684719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gJdwpState = nullptr; 685475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes delete gRegistry; 686719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gRegistry = nullptr; 687872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 688872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 689767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesvoid Dbg::GcDidFinish() { 690767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpifWhen != HPIF_WHEN_NEVER) { 69100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6924d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Sending heap info to DDM"; 6937162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(gDdmHpifWhen); 694767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 695767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpsgWhen != HPSG_WHEN_NEVER) { 69600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6974d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping heap to DDM"; 6986a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(false); 699767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 700767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmNhsgWhen != HPSG_WHEN_NEVER) { 70100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 7024d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping native heap to DDM"; 7036a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(true); 704767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 705767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 706767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 7074ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesvoid Dbg::SetJdwpAllowed(bool allowed) { 7084ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes gJdwpAllowed = allowed; 7094ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes} 7104ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 711872d4ec7225444d9400d30f9027247deb91012fdElliott HughesDebugInvokeReq* Dbg::GetInvokeReq() { 712475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return Thread::Current()->GetInvokeReq(); 713475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 714475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 715475fc23a4a7f35d1be87ea0b06c80df317a720acElliott HughesThread* Dbg::GetDebugThread() { 716475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return (gJdwpState != NULL) ? gJdwpState->GetDebugThread() : NULL; 717475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 718475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 719475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::ClearWaitForEventThread() { 720475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gJdwpState->ClearWaitForEventThread(); 721872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 722872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 723872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Connected() { 7243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(!gDebuggerConnected); 7254dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "JDWP has attached"; 7263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gDebuggerConnected = true; 7278696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = false; 7288696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7298696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 7308696433d1b3d8ba15288483b777edd888de69135Elliott Hughesvoid Dbg::Disposed() { 7318696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = true; 7328696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7338696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 7348696433d1b3d8ba15288483b777edd888de69135Elliott Hughesbool Dbg::IsDisposed() { 7358696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return gDisposed; 736872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 737872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 738f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzbool Dbg::RequiresDeoptimization() { 739f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // We don't need deoptimization if everything runs with interpreter after 740f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // enabling -Xint mode. 741f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return !Runtime::Current()->GetInstrumentation()->IsForcedInterpretOnly(); 742f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz} 743f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz 744a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::GoActive() { 745a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Enable all debugging features, including scans for breakpoints. 746a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // This is a no-op if we're already active. 747a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Only called from the JDWP handler thread. 748a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (gDebuggerActive) { 749a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 750a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 751a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 752c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes { 753c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes // TODO: dalvik only warned if there were breakpoints left over. clear in Dbg::Disconnected? 75459d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz ReaderMutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 755c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes CHECK_EQ(gBreakpoints.size(), 0U); 756c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes } 757a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 758138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 759f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 7604d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(deoptimization_requests_.size(), 0U); 7614d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(full_deoptimization_event_count_, 0U); 7627ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz CHECK_EQ(delayed_full_undeoptimization_count_, 0U); 76342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(dex_pc_change_event_ref_count_, 0U); 76442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_enter_event_ref_count_, 0U); 76542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_exit_event_ref_count_, 0U); 76642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_read_event_ref_count_, 0U); 76742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_write_event_ref_count_, 0U); 76842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(exception_catch_event_ref_count_, 0U); 769138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 770138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 77162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 77262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 77362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 77462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 77562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_NE(old_state, kRunnable); 776f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (RequiresDeoptimization()) { 777f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz runtime->GetInstrumentation()->EnableDeoptimization(); 778f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 77942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 780a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes gDebuggerActive = true; 78162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 78262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 78362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 78462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(INFO) << "Debugger is active"; 785872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 786872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 787872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Disconnected() { 788234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes CHECK(gDebuggerConnected); 789234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 790c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes LOG(INFO) << "Debugger is no longer active"; 791234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 79262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Suspend all threads and exclusively acquire the mutator lock. Set the state of the thread 79362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // to kRunnable to avoid scoped object access transitions. Remove the debugger as a listener 79462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // and clear the object registry. 79562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 79662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 79762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 79862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 799aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz 800aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Debugger may not be active at this point. 801aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz if (gDebuggerActive) { 802aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz { 803aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Since we're going to disable deoptimization, we clear the deoptimization requests queue. 804aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // This prevents us from having any pending deoptimization request when the debugger attaches 805aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // to us again while no event has been requested yet. 806f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 8074d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 8084d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz full_deoptimization_event_count_ = 0U; 8097ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz delayed_full_undeoptimization_count_ = 0U; 810aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 81142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (instrumentation_events_ != 0) { 81242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz runtime->GetInstrumentation()->RemoveListener(&gDebugInstrumentationListener, 81342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_); 81442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 81542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 816f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (RequiresDeoptimization()) { 817f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz runtime->GetInstrumentation()->DisableDeoptimization(); 818f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 819aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz gDebuggerActive = false; 820aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 821234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gRegistry->Clear(); 822234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gDebuggerConnected = false; 82362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 82462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 825872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 826872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 827c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsDebuggerActive() { 8283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gDebuggerActive; 829872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 830872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 831c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsJdwpConfigured() { 8323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gJdwpConfigured; 833872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 834872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 835872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesint64_t Dbg::LastDebuggerActivity() { 836ca9515205010099d006ac2fac244348a1e673dcbElliott Hughes return gJdwpState->LastDebuggerActivity(); 837872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 838872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 839872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::UndoDebuggerSuspensions() { 840234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 841872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 842872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 84388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetClassName(JDWP::RefTypeId class_id) { 8442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(class_id); 8453d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (o == NULL) { 846436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return "NULL"; 8477b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 84864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 84988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return StringPrintf("invalid object %p", reinterpret_cast<void*>(class_id)); 8503d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8513d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (!o->IsClass()) { 8527934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return StringPrintf("non-class %p", o); // This is only used for debugging output anyway. 8533d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 854d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return GetClassName(o->AsClass()); 855d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 856d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 857d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzstd::string Dbg::GetClassName(mirror::Class* klass) { 858bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (klass == nullptr) { 859bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return "NULL"; 860bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 861cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 862d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return DescriptorToName(klass->GetDescriptor(&temp)); 8633d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes} 8643d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 86588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId& class_object_id) { 866436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 8672dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 868436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 869436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 8702435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 87188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes class_object_id = gRegistry->Add(c); 872436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 8738696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 8748696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 87588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId& superclass_id) { 8763d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 8772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 8783d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c == NULL) { 8793d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 8803d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8813d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c->IsInterface()) { 8823d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes // http://code.google.com/p/android/issues/detail?id=20856 88388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = 0; 8843d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } else { 88588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = gRegistry->Add(c->GetSuperClass()); 8863d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8873d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 888872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 889872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 890436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 8912dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 89264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 893436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 894436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 895436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(o->GetClass()->GetClassLoader())); 896436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 897872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 898872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 899436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 900436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 9012dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 902436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 903436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 9047b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 905436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 906436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes uint32_t access_flags = c->GetAccessFlags() & kAccJavaFlagsMask; 907436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 908de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // Set ACC_SUPER. Dex files don't contain this flag but only classes are supposed to have it set, 909de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // not interfaces. 910436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes // Class.getModifiers doesn't return it, but JDWP does, so we set it here. 911de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban if ((access_flags & kAccInterface) == 0) { 912de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban access_flags |= kAccSuper; 913de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban } 914436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 915436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAdd4BE(pReply, access_flags); 916436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 917436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 918872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 919872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 920f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott HughesJDWP::JdwpError Dbg::GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) 921f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 9222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 92364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 924f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 925f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 926f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 927f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes // Ensure all threads are suspended while we read objects' lock words. 928f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes Thread* self = Thread::Current(); 9295426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 9305426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromRunnableToSuspended(kSuspended); 9315426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->SuspendAll(); 932f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 933f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes MonitorInfo monitor_info(o); 934f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 9355426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->ResumeAll(); 9365426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromSuspendedToRunnable(); 937f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 938d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers if (monitor_info.owner_ != NULL) { 939d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.owner_->GetPeer())); 940f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else { 941f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes expandBufAddObjectId(reply, gRegistry->Add(NULL)); 942f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 943d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.entry_count_); 944d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.waiters_.size()); 945d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers for (size_t i = 0; i < monitor_info.waiters_.size(); ++i) { 946d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.waiters_[i]->GetPeer())); 947f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 948f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_NONE; 949f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes} 950f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 951734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott HughesJDWP::JdwpError Dbg::GetOwnedMonitors(JDWP::ObjectId thread_id, 952734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<JDWP::ObjectId>& monitors, 95352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz std::vector<uint32_t>& stack_depths) { 9544993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes struct OwnedMonitorVisitor : public StackVisitor { 955b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi OwnedMonitorVisitor(Thread* thread, Context* context, 956cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::vector<JDWP::ObjectId>* monitor_vector, 957b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi std::vector<uint32_t>* stack_depth_vector) 9584993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 959b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi : StackVisitor(thread, context), current_stack_depth(0), 960b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi monitors(monitor_vector), stack_depths(stack_depth_vector) {} 9614993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 9624993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 9634993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // annotalysis. 9644993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 9654993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!GetMethod()->IsRuntimeMethod()) { 9664993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Monitor::VisitLocks(this, AppendOwnedMonitors, this); 967734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes ++current_stack_depth; 9684993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9694993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return true; 9704993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9714993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 972cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi static void AppendOwnedMonitors(mirror::Object* owned_monitor, void* arg) 973cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 9747a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor* visitor = reinterpret_cast<OwnedMonitorVisitor*>(arg); 975cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi visitor->monitors->push_back(gRegistry->Add(owned_monitor)); 976b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi visitor->stack_depths->push_back(visitor->current_stack_depth); 9774993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9784993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 979734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes size_t current_stack_depth; 980cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::vector<JDWP::ObjectId>* monitors; 981b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi std::vector<uint32_t>* stack_depths; 9824993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes }; 9834993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 984b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 985cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi Thread* thread; 986b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 987b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 988b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 989b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (error != JDWP::ERR_NONE) { 990b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return error; 991b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 992b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (!IsSuspendedForDebugger(soa, thread)) { 993b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return JDWP::ERR_THREAD_NOT_SUSPENDED; 994b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 9954993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 996cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::unique_ptr<Context> context(Context::Create()); 997cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi OwnedMonitorVisitor visitor(thread, context.get(), &monitors, &stack_depths); 998cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi visitor.WalkStack(); 9994993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_NONE; 10004993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes} 10014993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 100252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetContendedMonitor(JDWP::ObjectId thread_id, 100352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId& contended_monitor) { 1004b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::Object* contended_monitor_obj; 1005f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 1006b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 1007b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1008b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi Thread* thread; 1009b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1010b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (error != JDWP::ERR_NONE) { 1011b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return error; 1012b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 1013b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (!IsSuspendedForDebugger(soa, thread)) { 1014b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return JDWP::ERR_THREAD_NOT_SUSPENDED; 1015b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 1016b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi contended_monitor_obj = Monitor::GetContendedMonitor(thread); 1017f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 1018b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi // Add() requires the thread_list_lock_ not held to avoid the lock 1019b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi // level violation. 1020b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi contended_monitor = gRegistry->Add(contended_monitor_obj); 1021f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 1022f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 1023f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 1024ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott HughesJDWP::JdwpError Dbg::GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, 1025ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes std::vector<uint64_t>& counts) 1026ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1027412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1028412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 1030ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.clear(); 1031ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes for (size_t i = 0; i < class_ids.size(); ++i) { 1032ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes JDWP::JdwpError status; 10332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_ids[i], status); 1034ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes if (c == NULL) { 1035ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return status; 1036ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 1037ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes classes.push_back(c); 1038ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.push_back(0); 1039ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 1040412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CountInstances(classes, false, &counts[0]); 1041ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return JDWP::ERR_NONE; 1042ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes} 1043ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes 10443b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott HughesJDWP::JdwpError Dbg::GetInstances(JDWP::RefTypeId class_id, int32_t max_count, std::vector<JDWP::ObjectId>& instances) 10453b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1046412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1047412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier // We only want reachable instances, so do a GC. 1048412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10493b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes JDWP::JdwpError status; 10502dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1051412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (c == nullptr) { 10523b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return status; 10533b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 10542dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 10553b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes Runtime::Current()->GetHeap()->GetInstances(c, max_count, raw_instances); 10563b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 10573b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes instances.push_back(gRegistry->Add(raw_instances[i])); 10583b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 10593b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return JDWP::ERR_NONE; 10603b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes} 10613b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes 10620cbaff584244ee767027aff35cd3c625aaee2994Elliott HughesJDWP::JdwpError Dbg::GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, 10630cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes std::vector<JDWP::ObjectId>& referring_objects) 10640cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1065412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1066412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10672dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 106864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 10690cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 10700cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 10712dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 1072412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->GetReferringObjects(o, max_count, raw_instances); 10730cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 10740cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes referring_objects.push_back(gRegistry->Add(raw_instances[i])); 10750cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 10760cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_NONE; 10770cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes} 10780cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes 107964f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::DisableCollection(JDWP::ObjectId object_id) 108064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1081e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1082e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 1083e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 1084e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 108564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisableCollection(object_id); 108664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 108764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 108864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 108964f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::EnableCollection(JDWP::ObjectId object_id) 109064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1091e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1092e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // Unlike DisableCollection, JDWP specs do not state an invalid object causes an error. The RI 1093e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // also ignores these cases and never return an error. However it's not obvious why this command 1094e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // should behave differently from DisableCollection and IsCollected commands. So let's be more 1095e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // strict and return an error if this happens. 1096e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 1097e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 1098e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 109964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->EnableCollection(object_id); 110064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 110164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 110264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 110364f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::IsCollected(JDWP::ObjectId object_id, bool& is_collected) 110464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 110565637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz if (object_id == 0) { 110665637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // Null object id is invalid. 110765637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 110865637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } 1109e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // JDWP specs state an INVALID_OBJECT error is returned if the object ID is not valid. However 111065637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // the RI seems to ignore this and assume object has been collected. 111165637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1112e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 111365637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = true; 111465637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } else { 111565637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = gRegistry->IsCollected(object_id); 1116e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 111764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 111864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 111964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 112064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughesvoid Dbg::DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) 112164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 112264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisposeObject(object_id, reference_count); 112364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 112464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 1125d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::JdwpTypeTag Dbg::GetTypeTag(mirror::Class* klass) { 11264d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz DCHECK(klass != nullptr); 11274d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz if (klass->IsArrayClass()) { 11284d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_ARRAY; 11294d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else if (klass->IsInterface()) { 11304d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_INTERFACE; 11314d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else { 11324d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_CLASS; 11334d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } 11344d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz} 11354d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz 113688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1137436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1139436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1140436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11417b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1142436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 11434d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(c); 11444d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz expandBufAdd1(pReply, type_tag); 114588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes expandBufAddRefTypeId(pReply, class_id); 1146436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1147872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1148872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 11497b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughesvoid Dbg::GetClassList(std::vector<JDWP::RefTypeId>& classes) { 1150a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Get the complete list of reference classes (i.e. all classes except 1151a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // the primitive types). 1152a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Returns a newly-allocated buffer full of RefTypeId values. 1153a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes struct ClassListCreator { 1154ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes explicit ClassListCreator(std::vector<JDWP::RefTypeId>& classes) : classes(classes) { 11557b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 11567b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 11572dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static bool Visit(mirror::Class* c, void* arg) { 1158a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return reinterpret_cast<ClassListCreator*>(arg)->Visit(c); 1159a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1160a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 116164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 116264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 116364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool Visit(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS { 1164a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (!c->IsPrimitive()) { 116564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes classes.push_back(gRegistry->AddRefType(c)); 1166a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1167a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return true; 1168a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1169a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 11707b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes std::vector<JDWP::RefTypeId>& classes; 1171a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 1172a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 11737b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes ClassListCreator clc(classes); 117495795e286145a4aece5c4a095fa2e7e88ee2115aSebastien Hertz Runtime::Current()->GetClassLinker()->VisitClassesWithoutClassesLock(ClassListCreator::Visit, 117595795e286145a4aece5c4a095fa2e7e88ee2115aSebastien Hertz &clc); 1176872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1177872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1178cb6b0f31ede2275e79e6199ec391147585a37a2aIan RogersJDWP::JdwpError Dbg::GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, 1179cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers uint32_t* pStatus, std::string* pDescriptor) { 1180436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11812dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1182436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1183436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11847b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 11857b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 1186a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 1187a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 1188a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = JDWP::TT_ARRAY; 1189a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1190a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsErroneous()) { 1191a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_ERROR; 1192a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1193a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED | JDWP::CS_INITIALIZED; 1194a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1195a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = c->IsInterface() ? JDWP::TT_INTERFACE : JDWP::TT_CLASS; 1196a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1197a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 1198a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (pDescriptor != NULL) { 1199cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 1200cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers *pDescriptor = c->GetDescriptor(&temp); 1201a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1202436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1203872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1204872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1205c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughesvoid Dbg::FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>& ids) { 12062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 12076fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes Runtime::Current()->GetClassLinker()->LookupClasses(descriptor, classes); 12086fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.clear(); 12096fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes for (size_t i = 0; i < classes.size(); ++i) { 12106fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.push_back(gRegistry->Add(classes[i])); 12116fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes } 1212872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1213872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 121464f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) 121564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 12162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 121764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 12182435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 12192435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 12202435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 12214d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(o->GetClass()); 122264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId type_id = gRegistry->AddRefType(o->GetClass()); 12232435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 12242435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd1(pReply, type_tag); 12252435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAddRefTypeId(pReply, type_id); 12262435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 12272435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1228872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1229872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1230fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan RogersJDWP::JdwpError Dbg::GetSignature(JDWP::RefTypeId class_id, std::string* signature) { 12311fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes JDWP::JdwpError status; 12322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 12331fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes if (c == NULL) { 12341fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return status; 12357b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1236cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 1237cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers *signature = c->GetDescriptor(&temp); 12381fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return JDWP::ERR_NONE; 1239872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1240872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 124188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSourceFile(JDWP::RefTypeId class_id, std::string& result) { 1242436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 12432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 12444206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz if (c == nullptr) { 1245436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 12467b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 12474206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz const char* source_file = c->GetSourceFile(); 12484206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz if (source_file == nullptr) { 1249b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz return JDWP::ERR_ABSENT_INFORMATION; 1250b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz } 12514206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz result = source_file; 1252436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1253872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1254872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 125588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetObjectTag(JDWP::ObjectId object_id, uint8_t& tag) { 12569837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 12572dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 125864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1259546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1260546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 12619837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag = TagFromObject(soa, o); 1262546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_NONE; 1263872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1264872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1265aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughessize_t Dbg::GetTagWidth(JDWP::JdwpTag tag) { 1266dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes switch (tag) { 1267dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_VOID: 1268dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 0; 1269dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BYTE: 1270dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BOOLEAN: 1271dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 1; 1272dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CHAR: 1273dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_SHORT: 1274dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 2; 1275dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_FLOAT: 1276dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_INT: 1277dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 4; 1278dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_ARRAY: 1279dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_OBJECT: 1280dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_STRING: 1281dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD: 1282dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD_GROUP: 1283dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_LOADER: 1284dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_OBJECT: 1285dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return sizeof(JDWP::ObjectId); 1286dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_DOUBLE: 1287dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_LONG: 1288dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 8; 1289dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes default: 12903d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Unknown tag " << tag; 1291dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return -1; 1292dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1293872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1294872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 129588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetArrayLength(JDWP::ObjectId array_id, int& length) { 12963d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 12972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 12983d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (a == NULL) { 12993d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 130024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 13013d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes length = a->GetLength(); 13023d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1303872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1304872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 130588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputArray(JDWP::ObjectId array_id, int offset, int count, JDWP::ExpandBuf* pReply) { 13063d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 13072dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 13089837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (a == nullptr) { 13093d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 13103d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 131124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 131224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (offset < 0 || count < 0 || offset > a->GetLength() || a->GetLength() - offset < count) { 131324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 13143d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 131524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 1316cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers JDWP::JdwpTag element_tag = BasicTagFromClass(a->GetClass()->GetComponentType()); 1317cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers expandBufAdd1(pReply, element_tag); 13183d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd4BE(pReply, count); 13193d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 1320cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (IsPrimitiveTag(element_tag)) { 1321cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers size_t width = GetTagWidth(element_tag); 132224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes uint8_t* dst = expandBufAddSpace(pReply, count * width); 132324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (width == 8) { 1324ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint64_t* src8 = reinterpret_cast<uint64_t*>(a->GetRawData(sizeof(uint64_t), 0)); 132524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write8BE(&dst, src8[offset + i]); 132624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 4) { 1327ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint32_t* src4 = reinterpret_cast<uint32_t*>(a->GetRawData(sizeof(uint32_t), 0)); 132824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write4BE(&dst, src4[offset + i]); 132924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 2) { 1330ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint16_t* src2 = reinterpret_cast<uint16_t*>(a->GetRawData(sizeof(uint16_t), 0)); 133124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write2BE(&dst, src2[offset + i]); 133224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 1333ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint8_t* src = reinterpret_cast<uint8_t*>(a->GetRawData(sizeof(uint8_t), 0)); 133424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes memcpy(dst, &src[offset * width], count * width); 133524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 133624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 13379837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 13382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* oa = a->AsObjectArray<mirror::Object>(); 133924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) { 13402dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* element = oa->Get(offset + i); 13419837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag specific_tag = (element != nullptr) ? TagFromObject(soa, element) 1342cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers : element_tag; 134324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAdd1(pReply, specific_tag); 134424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(element)); 134524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 134624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 134724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 13483d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1349872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1350872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1351ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate <typename T> 1352ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic void CopyArrayData(mirror::Array* a, JDWP::Request& src, int offset, int count) 1353ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers NO_THREAD_SAFETY_ANALYSIS { 1354ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // TODO: fix when annotalysis correctly handles non-member functions. 13554b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes DCHECK(a->GetClass()->IsPrimitiveArray()); 13564b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 1357ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers T* dst = reinterpret_cast<T*>(a->GetRawData(sizeof(T), offset)); 13584b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes for (int i = 0; i < count; ++i) { 13594b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes *dst++ = src.ReadValue(sizeof(T)); 13604b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes } 13614b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes} 13624b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 136388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetArrayElements(JDWP::ObjectId array_id, int offset, int count, 13644b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::Request& request) 1365b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 13663d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 13674b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::Array* dst = DecodeArray(array_id, status); 13684b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (dst == NULL) { 13693d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 13703d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 1371f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 13724b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (offset < 0 || count < 0 || offset > dst->GetLength() || dst->GetLength() - offset < count) { 1373f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 13743d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 1375f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1376cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers JDWP::JdwpTag element_tag = BasicTagFromClass(dst->GetClass()->GetComponentType()); 1377f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 1378cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (IsPrimitiveTag(element_tag)) { 1379cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers size_t width = GetTagWidth(element_tag); 1380f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (width == 8) { 13814b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint64_t>(dst, request, offset, count); 1382f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 4) { 13834b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint32_t>(dst, request, offset, count); 1384f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 2) { 13854b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint16_t>(dst, request, offset, count); 1386f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 13874b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint8_t>(dst, request, offset, count); 1388f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1389f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 13904b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::ObjectArray<mirror::Object>* oa = dst->AsObjectArray<mirror::Object>(); 1391f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes for (int i = 0; i < count; ++i) { 13924b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::ObjectId id = request.ReadObjectId(); 13932dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 139464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1395436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1396436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 1397d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz oa->Set<false>(offset + i, o); 1398f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1399f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1400f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 14013d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1402872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1403872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 14047b3cdfcca472b779cf8745fb8460935e56229f11Elliott HughesJDWP::ObjectId Dbg::CreateString(const std::string& str) { 14052dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return gRegistry->Add(mirror::String::AllocFromModifiedUtf8(Thread::Current(), str.c_str())); 1406872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1407872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 140888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId& new_object) { 1409436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14102dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1411436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1412436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14137b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 141450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers new_object = gRegistry->Add(c->AllocObject(Thread::Current())); 1415436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1416872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1417872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1418bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes/* 1419bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes * Used by Eclipse's "Display" view to evaluate "new byte[5]" to get "(byte[]) [0, 0, 0, 0, 0]". 1420bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes */ 142188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, 142200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId& new_array) { 1423436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(array_class_id, status); 1425436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1426436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14277b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 14286fac447555dc94a935b78198479cce645c837b89Ian Rogers new_array = gRegistry->Add(mirror::Array::Alloc<true>(Thread::Current(), c, length, 14296fac447555dc94a935b78198479cce645c837b89Ian Rogers c->GetComponentSize(), 14306fac447555dc94a935b78198479cce645c837b89Ian Rogers Runtime::Current()->GetHeap()->GetCurrentAllocator())); 1431436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1432872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1433872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1434d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::FieldId Dbg::ToFieldId(const mirror::ArtField* f) { 1435590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 143603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::FieldId>(reinterpret_cast<uintptr_t>(f)); 143703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 143803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1439ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::MethodId ToMethodId(const mirror::ArtMethod* m) 1440b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1441590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 144203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::MethodId>(reinterpret_cast<uintptr_t>(m)); 144303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 144403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1445ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtField* FromFieldId(JDWP::FieldId fid) 1446b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1447590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 1448ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtField*>(static_cast<uintptr_t>(fid)); 1449aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes} 1450aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1451ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtMethod* FromMethodId(JDWP::MethodId mid) 1452b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1453590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 1454ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtMethod*>(static_cast<uintptr_t>(mid)); 145503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 145603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1457d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchThread(JDWP::ObjectId expected_thread_id, Thread* event_thread) { 1458d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz CHECK(event_thread != nullptr); 1459d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* expected_thread_peer = gRegistry->Get<mirror::Object*>(expected_thread_id); 1460d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return expected_thread_peer == event_thread->GetPeer(); 1461d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1462d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1463d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchLocation(const JDWP::JdwpLocation& expected_location, 1464d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz const JDWP::EventLocation& event_location) { 1465d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (expected_location.dex_pc != event_location.dex_pc) { 1466d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return false; 1467d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz } 1468d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::ArtMethod* m = FromMethodId(expected_location.method_id); 1469d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return m == event_location.method; 1470d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1471d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1472d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchType(mirror::Class* event_class, JDWP::RefTypeId class_id) { 1473bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (event_class == nullptr) { 1474bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return false; 1475bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 1476d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::JdwpError status; 1477d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Class* expected_class = DecodeClass(class_id, status); 1478d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz CHECK(expected_class != nullptr); 1479d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return expected_class->IsAssignableFrom(event_class); 1480d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1481d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1482d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchField(JDWP::RefTypeId expected_type_id, JDWP::FieldId expected_field_id, 1483d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::ArtField* event_field) { 1484d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::ArtField* expected_field = FromFieldId(expected_field_id); 1485d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (expected_field != event_field) { 1486d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return false; 1487d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz } 1488d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return Dbg::MatchType(event_field->GetDeclaringClass(), expected_type_id); 1489d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1490d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1491d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzbool Dbg::MatchInstance(JDWP::ObjectId expected_instance_id, mirror::Object* event_instance) { 1492d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* modifier_instance = gRegistry->Get<mirror::Object*>(expected_instance_id); 1493d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return modifier_instance == event_instance; 1494d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 1495d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 1496d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzvoid Dbg::SetJdwpLocation(JDWP::JdwpLocation* location, mirror::ArtMethod* m, uint32_t dex_pc) 1497b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1498d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (m == nullptr) { 1499bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz memset(location, 0, sizeof(*location)); 150091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } else { 15012dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = m->GetDeclaringClass(); 1502d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->type_tag = GetTypeTag(c); 1503d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->class_id = gRegistry->AddRefType(c); 1504d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->method_id = ToMethodId(m); 1505d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint64_t>(-1) : dex_pc; 150691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 1507d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes} 1508d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 1509a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetMethodName(JDWP::MethodId method_id) 1510b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1511ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1512bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (m == nullptr) { 1513bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return "NULL"; 1514bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 1515bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return m->GetName(); 1516872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1517872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1518a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetFieldName(JDWP::FieldId field_id) 1519a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1520bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz mirror::ArtField* f = FromFieldId(field_id); 1521bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz if (f == nullptr) { 1522bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return "NULL"; 1523bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz } 1524bbb63897d7f2d99219cb50721fe530521e08ddffSebastien Hertz return f->GetName(); 1525a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes} 1526a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes 1527a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes/* 1528a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * Augment the access flags for synthetic methods and fields by setting 1529a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * the (as described by the spec) "0xf0000000 bit". Also, strip out any 1530a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * flags not specified by the Java programming language. 1531a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes */ 1532a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughesstatic uint32_t MangleAccessFlags(uint32_t accessFlags) { 1533a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags &= kAccJavaFlagsMask; 1534a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes if ((accessFlags & kAccSynthetic) != 0) { 1535a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags |= 0xf0000000; 1536a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1537a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return accessFlags; 1538872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1539872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1540dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes/* 1541b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come first. Debuggers 1542b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * expect slots to begin with arguments, but dex code places them at 1543b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * the end. 1544dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes */ 1545b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Haostatic uint16_t MangleSlot(uint16_t slot, mirror::ArtMethod* m) 1546b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1547bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1548cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1549cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1550cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1551cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to mangle slot for method without code " << PrettyMethod(m); 1552cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1553cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1554b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1555b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1556b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot >= locals_size) { 1557b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - locals_size; 1558b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1559b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + ins_size; 1560dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1561dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1562dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1563b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao/* 1564b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come last. Reverts 1565b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * slots to dex style argument placement. 1566b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao */ 1567ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic uint16_t DemangleSlot(uint16_t slot, mirror::ArtMethod* m) 1568b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1569bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1570cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1571cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1572cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1573cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to demangle slot for method without code " << PrettyMethod(m); 1574cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1575cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1576b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1577b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1578b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot < ins_size) { 1579b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + locals_size; 1580b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1581b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - ins_size; 1582dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1583dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1584dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 158588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredFields(JDWP::RefTypeId class_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1586436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 15872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1588436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1589436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 15907b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1591a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1592a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t instance_field_count = c->NumInstanceFields(); 1593a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t static_field_count = c->NumStaticFields(); 1594a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1595a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, instance_field_count + static_field_count); 1596a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1597a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < instance_field_count + static_field_count; ++i) { 1598ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = (i < instance_field_count) ? c->GetInstanceField(i) : c->GetStaticField(i - instance_field_count); 1599a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddFieldId(pReply, ToFieldId(f)); 160061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier expandBufAddUtf8String(pReply, f->GetName()); 160161c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier expandBufAddUtf8String(pReply, f->GetTypeDescriptor()); 1602c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1603a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1604a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1605a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1606a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(f->GetAccessFlags())); 1607a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1608436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1609a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1610a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 161188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredMethods(JDWP::RefTypeId class_id, bool with_generic, 161200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 1613436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 16142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1615436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1616436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 16177b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1618a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1619a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t direct_method_count = c->NumDirectMethods(); 1620a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t virtual_method_count = c->NumVirtualMethods(); 1621a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1622a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, direct_method_count + virtual_method_count); 1623a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1624a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < direct_method_count + virtual_method_count; ++i) { 1625ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = (i < direct_method_count) ? c->GetDirectMethod(i) : c->GetVirtualMethod(i - direct_method_count); 1626a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddMethodId(pReply, ToMethodId(m)); 1627bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier expandBufAddUtf8String(pReply, m->GetName()); 1628bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier expandBufAddUtf8String(pReply, m->GetSignature().ToString()); 1629c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1630a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1631a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1632a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1633a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(m->GetAccessFlags())); 1634a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1635436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1636a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1637a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 163888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredInterfaces(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1639436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 1640f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Thread* self = Thread::Current(); 1641f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 1642f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Handle<mirror::Class> c(hs.NewHandle(DecodeClass(class_id, status))); 1643f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier if (c.Get() == nullptr) { 1644436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 16457b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1646f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t interface_count = c->NumDirectInterfaces(); 1647a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, interface_count); 1648a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < interface_count; ++i) { 1649f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier expandBufAddRefTypeId(pReply, 1650f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier gRegistry->AddRefType(mirror::Class::GetDirectInterface(self, c, i))); 1651a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1652436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1653872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1654872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 165588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputLineTable(JDWP::RefTypeId, JDWP::MethodId method_id, JDWP::ExpandBuf* pReply) 1656b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 165703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes struct DebugCallbackContext { 165803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes int numItems; 165903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::ExpandBuf* pReply; 166003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 16612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes static bool Callback(void* context, uint32_t address, uint32_t line_number) { 166203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 166303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pContext->pReply, address); 16642435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd4BE(pContext->pReply, line_number); 166503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes pContext->numItems++; 1666f2910eef247b45ce1d489e323b36b5de6b6157aaSebastien Hertz return false; 166703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 166803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 1669ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1670bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 167103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes uint64_t start, end; 1672cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1673cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DCHECK(m->IsNative() || m->IsProxyMethod()); 167403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = -1; 167503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes end = -1; 167603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } else { 167703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = 0; 167814f0db92225d34622fa5cb1a6dc9287334aaf6c7jeffhao // Return the index of the last instruction 1679cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz end = code_item->insns_size_in_code_units_ - 1; 168003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 168103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 168203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, start); 168303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, end); 168403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 168503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes // Add numLines later 168603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes size_t numLinesOffset = expandBufGetLength(pReply); 168703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd4BE(pReply, 0); 168803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 168903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext context; 169003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.numItems = 0; 169103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.pReply = pReply; 169203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1693cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1694bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 1695bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DebugCallbackContext::Callback, NULL, &context); 1696cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 169703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 169803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + numLinesOffset, context.numItems); 1699872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1700872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1701bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartiervoid Dbg::OutputVariableTable(JDWP::RefTypeId, JDWP::MethodId method_id, bool with_generic, 1702bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier JDWP::ExpandBuf* pReply) { 1703dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes struct DebugCallbackContext { 1704b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao mirror::ArtMethod* method; 1705dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes JDWP::ExpandBuf* pReply; 1706c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count; 1707c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes bool with_generic; 1708dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1709bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier static void Callback(void* context, uint16_t slot, uint32_t startAddress, uint32_t endAddress, 1710bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* name, const char* descriptor, const char* signature) 1711b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1712dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 1713dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1714bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier VLOG(jdwp) << StringPrintf(" %2zd: %d(%d) '%s' '%s' '%s' actual slot=%d mangled slot=%d", 1715bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier pContext->variable_count, startAddress, endAddress - startAddress, 1716bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier name, descriptor, signature, slot, 1717bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MangleSlot(slot, pContext->method)); 1718dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1719b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao slot = MangleSlot(slot, pContext->method); 172068fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 1721dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd8BE(pContext->pReply, startAddress); 1722dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, name); 1723dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, descriptor); 1724c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (pContext->with_generic) { 1725dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, signature); 1726dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1727dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, endAddress - startAddress); 1728dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, slot); 1729dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1730c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes ++pContext->variable_count; 1731dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1732dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes }; 1733ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1734dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1735c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // arg_count considers doubles and longs to take 2 units. 1736c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // variable_count considers everything to take 1 unit. 1737bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier std::string shorty(m->GetShorty()); 1738ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom expandBufAdd4BE(pReply, mirror::ArtMethod::NumArgRegisters(shorty)); 1739dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1740c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // We don't know the total number of variables yet, so leave a blank and update it later. 1741c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count_offset = expandBufGetLength(pReply); 1742dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pReply, 0); 1743dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1744dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext context; 1745b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao context.method = m; 1746dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes context.pReply = pReply; 1747c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.variable_count = 0; 1748c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.with_generic = with_generic; 1749dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1750bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1751cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1752bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo( 1753bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier code_item, m->IsStatic(), m->GetDexMethodIndex(), NULL, DebugCallbackContext::Callback, 1754bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier &context); 1755cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1756dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1757c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + variable_count_offset, context.variable_count); 1758872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1759872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1760579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, 1761579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::ExpandBuf* pReply) { 1762579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::ArtMethod* m = FromMethodId(method_id); 1763bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(m->GetShorty()); 1764579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao OutputJValue(tag, return_value, pReply); 1765579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1766579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 17673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::OutputFieldValue(JDWP::FieldId field_id, const JValue* field_value, 17683f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ExpandBuf* pReply) { 17693f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* f = FromFieldId(field_id); 177061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 17713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OutputJValue(tag, field_value, pReply); 17723f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 17733f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 17749777ba230c83a0edcbda2cf7b208339e77bf171bElliott HughesJDWP::JdwpError Dbg::GetBytecodes(JDWP::RefTypeId, JDWP::MethodId method_id, 17759777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes std::vector<uint8_t>& bytecodes) 17769777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1777ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 17789777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes if (m == NULL) { 17799777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_INVALID_METHODID; 17809777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 1781bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 17829777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes size_t byte_count = code_item->insns_size_in_code_units_ * 2; 17839777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* begin = reinterpret_cast<const uint8_t*>(code_item->insns_); 17849777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* end = begin + byte_count; 17859777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes for (const uint8_t* p = begin; p != end; ++p) { 17869777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes bytecodes.push_back(*p); 17879777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 17889777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_NONE; 17899777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes} 17909777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes 179188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetFieldBasicTag(JDWP::FieldId field_id) { 179261c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier return BasicTagFromDescriptor(FromFieldId(field_id)->GetTypeDescriptor()); 1793872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1794872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 179588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetStaticFieldBasicTag(JDWP::FieldId field_id) { 179661c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier return BasicTagFromDescriptor(FromFieldId(field_id)->GetTypeDescriptor()); 1797872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1798872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 179988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError GetFieldValueImpl(JDWP::RefTypeId ref_type_id, JDWP::ObjectId object_id, 180088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::FieldId field_id, JDWP::ExpandBuf* pReply, 180100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool is_static) 1802b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 18030cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes JDWP::JdwpError status; 18042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(ref_type_id, status); 180588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes if (ref_type_id != 0 && c == NULL) { 18060cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return status; 18070cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18080cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 1809d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(object_id); 181064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 18113f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18123f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1813ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 18140cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 18152dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* receiver_class = c; 18160cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class == NULL && o != NULL) { 18170cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes receiver_class = o->GetClass(); 18180cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18190cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we give up now if receiver_class is NULL? 18200cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class != NULL && !f->GetDeclaringClass()->IsAssignableFrom(receiver_class)) { 18210cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(INFO) << "ERR_INVALID_FIELDID: " << PrettyField(f) << " " << PrettyClass(receiver_class); 18223f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 18233f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1824aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 18250cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 18260cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 18270cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 18280cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 18290cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 18300cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18310cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 18320cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 18330cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 18340cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18350cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18360dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 18370dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 18380dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 18390cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 184061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 1841579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JValue field_value; 1842579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_VOID) { 1843579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao LOG(FATAL) << "Unknown tag: " << tag; 1844579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (!IsPrimitiveTag(tag)) { 1845579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetL(f->GetObject(o)); 1846579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1847579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetJ(f->Get64(o)); 1848aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1849579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetI(f->Get32(o)); 1850aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1851579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::OutputJValue(tag, &field_value, pReply); 1852579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 18533f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_NONE; 1854872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1855872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 185688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, 185700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 185888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(0, object_id, field_id, pReply, false); 18593f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 18603f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 186188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetStaticFieldValue(JDWP::RefTypeId ref_type_id, JDWP::FieldId field_id, JDWP::ExpandBuf* pReply) { 186288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(ref_type_id, 0, field_id, pReply, true); 18633f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 18643f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 186588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError SetFieldValueImpl(JDWP::ObjectId object_id, JDWP::FieldId field_id, 186600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint64_t value, int width, bool is_static) 1867b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1868d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* o = Dbg::GetObjectRegistry()->Get<mirror::Object*>(object_id); 186964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 18703f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18713f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1872ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 18730cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 18740cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 18750cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 18760cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 18770cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 18780cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 18790cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18800cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 18810cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 18820cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 18830cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18843f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 18850dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 18860dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 18870dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 1888aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 188961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 1890aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1891aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (IsPrimitiveTag(tag)) { 1892aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 18931bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_EQ(width, 8); 1894d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1895d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set64<false>(o, value); 1896aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 18971bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_LE(width, 4); 1898d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1899d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set32<false>(o, value); 1900aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1901aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1902d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz mirror::Object* v = Dbg::GetObjectRegistry()->Get<mirror::Object*>(value); 190364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (v == ObjectRegistry::kInvalidObject) { 19043d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_OBJECT; 19053d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 19063f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (v != NULL) { 190761c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier mirror::Class* field_type; 190861c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier { 190961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier StackHandleScope<3> hs(Thread::Current()); 191061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::Object> h_v(hs.NewHandleWrapper(&v)); 191161c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::ArtField> h_f(hs.NewHandleWrapper(&f)); 191261c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::Object> h_o(hs.NewHandleWrapper(&o)); 191361c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier field_type = FieldHelper(h_f).GetType(); 191461c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier } 19153f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (!field_type->IsAssignableFrom(v->GetClass())) { 19163f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 19173f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 19183f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1919d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1920d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->SetObject<false>(o, v); 1921aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 19223d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 19233d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1924872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1925872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 192688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, uint64_t value, 192700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int width) { 192888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(object_id, field_id, value, width, false); 1929872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1930872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 193188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) { 193288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(0, field_id, value, width, true); 1933872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1934872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 193529259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien HertzJDWP::JdwpError Dbg::StringToUtf8(JDWP::ObjectId string_id, std::string* str) { 193629259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz mirror::Object* obj = gRegistry->Get<mirror::Object*>(string_id); 193729259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz if (obj == nullptr || obj == ObjectRegistry::kInvalidObject) { 193829259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 193929259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz } 194029259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz { 194129259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 194229259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz mirror::Class* java_lang_String = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_String); 194329259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz if (!java_lang_String->IsAssignableFrom(obj->GetClass())) { 194429259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz // This isn't a string. 194529259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz return JDWP::ERR_INVALID_STRING; 194629259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz } 194729259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz } 194829259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz *str = obj->AsString()->ToModifiedUtf8(); 194929259fa6b0514866d2d4bf57d58c1557b26abbb7Sebastien Hertz return JDWP::ERR_NONE; 1950872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1951872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1952579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) { 1953579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (IsPrimitiveTag(tag)) { 1954579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, tag); 1955579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_BOOLEAN || tag == JDWP::JT_BYTE) { 1956579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, return_value->GetI()); 1957579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_CHAR || tag == JDWP::JT_SHORT) { 1958579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd2BE(pReply, return_value->GetI()); 1959579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_FLOAT || tag == JDWP::JT_INT) { 1960579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd4BE(pReply, return_value->GetI()); 1961579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1962579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd8BE(pReply, return_value->GetJ()); 1963579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 1964579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao CHECK_EQ(tag, JDWP::JT_VOID); 1965579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1966579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 19679837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1968579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::Object* value = return_value->GetL(); 19699837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers expandBufAdd1(pReply, TagFromObject(soa, value)); 1970579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAddObjectId(pReply, gRegistry->Add(value)); 1971579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1972579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1973579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 1974221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadName(JDWP::ObjectId thread_id, std::string& name) { 1975a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao ScopedObjectAccessUnchecked soa(Thread::Current()); 1976a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1977221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1978221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1979221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE && error != JDWP::ERR_THREAD_NOT_ALIVE) { 1980221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1981a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1982221229cb523f849f165fdafbf9785010963715daElliott Hughes 1983221229cb523f849f165fdafbf9785010963715daElliott Hughes // We still need to report the zombie threads' names, so we can't just call Thread::GetThreadName. 19842dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 1985ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* java_lang_Thread_name_field = 19862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.DecodeField(WellKnownClasses::java_lang_Thread_name); 19872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = 19882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers reinterpret_cast<mirror::String*>(java_lang_Thread_name_field->GetObject(thread_object)); 1989221229cb523f849f165fdafbf9785010963715daElliott Hughes if (s != NULL) { 1990221229cb523f849f165fdafbf9785010963715daElliott Hughes name = s->ToModifiedUtf8(); 1991221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1992221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1993872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1994872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1995221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 19965d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 19972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 199864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_object == ObjectRegistry::kInvalidObject) { 19992435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 20002435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 20019837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroup"); 20022435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Okay, so it's an object, but is it actually a thread? 2003b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error; 2004b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 2005b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2006b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi Thread* thread; 2007b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi error = DecodeThread(soa, thread_id, thread); 2008b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 2009221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 2010221229cb523f849f165fdafbf9785010963715daElliott Hughes // Zombie threads are in the null group. 2011221229cb523f849f165fdafbf9785010963715daElliott Hughes expandBufAddObjectId(pReply, JDWP::ObjectId(0)); 201252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz error = JDWP::ERR_NONE; 201352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz } else if (error == JDWP::ERR_NONE) { 201452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 201552d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(c != nullptr); 201652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::ArtField* f = c->FindInstanceField("group", "Ljava/lang/ThreadGroup;"); 2017b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi CHECK(f != nullptr); 201852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Object* group = f->GetObject(thread_object); 2019b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi CHECK(group != nullptr); 202052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId thread_group_id = gRegistry->Add(group); 202152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz expandBufAddObjectId(pReply, thread_group_id); 20222435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 20239837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 202452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz return error; 2025872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2026872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 20275d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzstatic mirror::Object* DecodeThreadGroup(ScopedObjectAccessUnchecked& soa, 20285d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::ObjectId thread_group_id, JDWP::JdwpError* error) 20295d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20305d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = Dbg::GetObjectRegistry()->Get<mirror::Object*>(thread_group_id); 20315d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (thread_group == nullptr || thread_group == ObjectRegistry::kInvalidObject) { 20325d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz *error = JDWP::ERR_INVALID_OBJECT; 20335d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return nullptr; 20345d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20359837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 20369837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 20375d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (!c->IsAssignableFrom(thread_group->GetClass())) { 20385d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // This is not a java.lang.ThreadGroup. 20395d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz *error = JDWP::ERR_INVALID_THREAD_GROUP; 20405d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return nullptr; 20415d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20425d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz *error = JDWP::ERR_NONE; 20435d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return thread_group; 20445d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz} 20455d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20465d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::JdwpError Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id, JDWP::ExpandBuf* pReply) { 20475d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 20485d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::JdwpError error; 20495d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error); 20505d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (error != JDWP::ERR_NONE) { 20515d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return error; 20525d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20535d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupName"); 20545d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 2055ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("name", "Ljava/lang/String;"); 2056499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes CHECK(f != NULL); 20572dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = reinterpret_cast<mirror::String*>(f->GetObject(thread_group)); 20589837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 20595d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20605d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::string thread_group_name(s->ToModifiedUtf8()); 20615d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddUtf8String(pReply, thread_group_name); 20625d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return JDWP::ERR_NONE; 2063872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2064872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 20655d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::JdwpError Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id, JDWP::ExpandBuf* pReply) { 20669837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 20675d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::JdwpError error; 20685d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error); 20695d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (error != JDWP::ERR_NONE) { 20705d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return error; 20715d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 20729837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupParent"); 20739837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 20749837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 2075ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("parent", "Ljava/lang/ThreadGroup;"); 20764e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes CHECK(f != NULL); 20772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* parent = f->GetObject(thread_group); 20789837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 20795d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20805d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::ObjectId parent_group_id = gRegistry->Add(parent); 20815d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddObjectId(pReply, parent_group_id); 20825d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return JDWP::ERR_NONE; 2083872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2084872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 20855d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzstatic void GetChildThreadGroups(ScopedObjectAccessUnchecked& soa, mirror::Object* thread_group, 20865d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::vector<JDWP::ObjectId>* child_thread_group_ids) 20875d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20885d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz CHECK(thread_group != nullptr); 20895d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20905d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Get the ArrayList<ThreadGroup> "groups" out of this thread group... 20915d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;"); 20925d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* groups_array_list = groups_field->GetObject(thread_group); 20935d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 20945d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Get the array and size out of the ArrayList<ThreadGroup>... 20955d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;"); 20965d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I"); 20975d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ObjectArray<mirror::Object>* groups_array = 20985d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>(); 20995d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz const int32_t size = size_field->GetInt(groups_array_list); 21005d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21015d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Copy the first 'size' elements out of the array into the result. 21025d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ObjectRegistry* registry = Dbg::GetObjectRegistry(); 21035d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz for (int32_t i = 0; i < size; ++i) { 21045d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz child_thread_group_ids->push_back(registry->Add(groups_array->Get(i))); 21055d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21065d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz} 21075d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21085d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::JdwpError Dbg::GetThreadGroupChildren(JDWP::ObjectId thread_group_id, 21095d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::ExpandBuf* pReply) { 211000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 21115d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz JDWP::JdwpError error; 21125d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::Object* thread_group = DecodeThreadGroup(soa, thread_group_id, &error); 21135d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz if (error != JDWP::ERR_NONE) { 21145d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return error; 21155d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21165d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21175d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Add child threads. 21185d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz { 21195d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::vector<JDWP::ObjectId> child_thread_ids; 21205d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz GetThreads(thread_group, &child_thread_ids); 21215d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAdd4BE(pReply, child_thread_ids.size()); 21225d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz for (JDWP::ObjectId child_thread_id : child_thread_ids) { 21235d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddObjectId(pReply, child_thread_id); 21245d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21255d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21265d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21275d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz // Add child thread groups. 21285d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz { 21295d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz std::vector<JDWP::ObjectId> child_thread_groups_ids; 21305d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz GetChildThreadGroups(soa, thread_group, &child_thread_groups_ids); 21315d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAdd4BE(pReply, child_thread_groups_ids.size()); 21325d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz for (JDWP::ObjectId child_thread_group_id : child_thread_groups_ids) { 21335d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz expandBufAddObjectId(pReply, child_thread_group_id); 21345d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21355d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz } 21365d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz 21375d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz return JDWP::ERR_NONE; 2138872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2139872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 21405d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien HertzJDWP::ObjectId Dbg::GetSystemThreadGroupId() { 21415d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 21425d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup); 21432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 2144365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 2145872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2146872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2147920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff HaoJDWP::JdwpThreadStatus Dbg::ToJdwpThreadStatus(ThreadState state) { 2148920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao switch (state) { 2149920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kBlocked: 2150920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_MONITOR; 2151920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kNative: 2152920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kRunnable: 2153920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSuspended: 2154920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_RUNNING; 2155920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSleeping: 2156920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_SLEEPING; 2157920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kStarting: 2158920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTerminated: 2159920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 2160920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTimedWaiting: 2161bae182cbc6adc8796154162a87fc54ae804e0469Sebastien Hertz case kWaitingForCheckPointsToRun: 2162920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSend: 2163920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSuspension: 2164920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerToAttach: 2165138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz case kWaitingForDeoptimization: 2166920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForGcToComplete: 2167920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForJniOnLoad: 2168bae182cbc6adc8796154162a87fc54ae804e0469Sebastien Hertz case kWaitingForMethodTracingStart: 2169920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForSignalCatcherOutput: 2170920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainDebuggerLoop: 2171920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainSignalCatcherLoop: 2172920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingPerformingGc: 2173920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaiting: 2174920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_WAIT; 2175920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao // Don't add a 'default' here so the compiler can spot incompatible enum changes. 2176920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao } 2177920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao LOG(FATAL) << "Unknown thread state: " << state; 2178920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 2179920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao} 2180920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao 218152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetThreadStatus(JDWP::ObjectId thread_id, JDWP::JdwpThreadStatus* pThreadStatus, 218252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::JdwpSuspendStatus* pSuspendStatus) { 218300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2184499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 21859e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_NOT_SUSPENDED; 21869e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 218750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2188221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2189221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2190221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2191221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 2192221229cb523f849f165fdafbf9785010963715daElliott Hughes *pThreadStatus = JDWP::TS_ZOMBIE; 2193221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 2194221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2195221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2196499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes } 2197499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 21989e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (IsSuspendedForDebugger(soa, thread)) { 21999e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_SUSPENDED; 22009e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes } 220100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 2202920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao *pThreadStatus = ToJdwpThreadStatus(thread->GetState()); 2203221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 2204872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2205872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2206221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 220700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 220850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2209221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2210221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2211221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2212221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 22132435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 221450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 221500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers expandBufAdd4BE(pReply, thread->GetDebugSuspendCount()); 22162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 2217872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2218872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2219f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott HughesJDWP::JdwpError Dbg::Interrupt(JDWP::ObjectId thread_id) { 2220f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccess soa(Thread::Current()); 2221f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2222f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 2223f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2224f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 2225f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 2226f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 2227dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers thread->Interrupt(soa.Self()); 2228f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 2229f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 2230f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 2231d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertzstatic bool IsInDesiredThreadGroup(ScopedObjectAccessUnchecked& soa, 2232d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::Object* desired_thread_group, mirror::Object* peer) 2233d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2234d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // Do we want threads from all thread groups? 2235d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (desired_thread_group == nullptr) { 2236d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz return true; 2237d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2238d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::ArtField* thread_group_field = soa.DecodeField(WellKnownClasses::java_lang_Thread_group); 2239d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz DCHECK(thread_group_field != nullptr); 2240d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::Object* group = thread_group_field->GetObject(peer); 2241d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz return (group == desired_thread_group); 2242d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz} 2243365c10235438607541fa2259a5fec48061b90bd8Ian Rogers 22445d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzvoid Dbg::GetThreads(mirror::Object* thread_group, std::vector<JDWP::ObjectId>* thread_ids) { 2245d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 2246d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz std::list<Thread*> all_threads_list; 2247d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz { 2248d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz MutexLock mu(Thread::Current(), *Locks::thread_list_lock_); 2249d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz all_threads_list = Runtime::Current()->GetThreadList()->GetList(); 2250d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2251d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz for (Thread* t : all_threads_list) { 2252d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (t == Dbg::GetDebugThread()) { 2253d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // Skip the JDWP thread. Some debuggers get bent out of shape when they can't suspend and 2254d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // query all threads, so it's easier if we just don't tell them about this thread. 2255d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz continue; 2256a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2257d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (t->IsStillStarting()) { 2258d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // This thread is being started (and has been registered in the thread list). However, it is 2259d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // not completely started yet so we must ignore it. 2260d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz continue; 2261a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2262d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz mirror::Object* peer = t->GetPeer(); 2263d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (peer == nullptr) { 2264d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // peer might be NULL if the thread is still starting up. We can't tell the debugger about 2265d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // this thread yet. 2266d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // TODO: if we identified threads to the debugger by their Thread* 2267d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // rather than their peer's mirror::Object*, we could fix this. 2268d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz // Doing so might help us report ZOMBIE threads too. 2269d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz continue; 22700dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 2271d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz if (IsInDesiredThreadGroup(soa, thread_group, peer)) { 22725d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertz thread_ids->push_back(gRegistry->Add(peer)); 2273d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2274d35776413901a6a9d478e06dc354ea4f7d962e04Sebastien Hertz } 2275a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes} 2276a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 22775d1c1bbd4c8a1727027d0ae69277af6f6f6badf3Sebastien Hertzstatic int GetStackDepth(Thread* thread) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 22780399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct CountStackDepthVisitor : public StackVisitor { 227993ba893c20532990a430741e0a97212900094e8cBrian Carlstrom explicit CountStackDepthVisitor(Thread* thread) 22807a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth(0) {} 22810399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 228264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 228364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 228464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 22850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!GetMethod()->IsRuntimeMethod()) { 2286f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes ++depth; 2287f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes } 2288530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 2289a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 2290a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t depth; 2291a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes }; 229208fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes 22937a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers CountStackDepthVisitor visitor(thread); 22940399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2295a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return visitor.depth; 2296872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2297872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2298221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadFrameCount(JDWP::ObjectId thread_id, size_t& result) { 229900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2300a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2301221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2302221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2303221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2304221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2305221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2306f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2307f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2308f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 2309221229cb523f849f165fdafbf9785010963715daElliott Hughes result = GetStackDepth(thread); 2310221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 23118696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 23128696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2313306057fd278d75bf3794bd5243a3b6652c487d18Ian RogersJDWP::JdwpError Dbg::GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, 2314306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers size_t frame_count, JDWP::ExpandBuf* buf) { 23156e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes class GetFrameVisitor : public StackVisitor { 23166e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes public: 23177a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor(Thread* thread, size_t start_frame, size_t frame_count, JDWP::ExpandBuf* buf) 2318b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 23197a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth_(0), 23206e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes start_frame_(start_frame), frame_count_(frame_count), buf_(buf) { 23216e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd4BE(buf_, frame_count_); 232203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23230399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 232400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 232500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 232600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 23270399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetMethod()->IsRuntimeMethod()) { 23287934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return true; // The debugger can't do anything useful with a frame that has no Method*. 232903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23306e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_ + frame_count_) { 2331530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 233203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23336e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_) { 23346e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id(GetFrameId()); 23356e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::JdwpLocation location; 2336d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetJdwpLocation(&location, GetMethod(), GetDexPc()); 2337ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers VLOG(jdwp) << StringPrintf(" Frame %3zd: id=%3" PRIu64 " ", depth_, frame_id) << location; 23386e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd8BE(buf_, frame_id); 23396e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAddLocation(buf_, location); 23406e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 23416e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes ++depth_; 2342530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 234303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 23446e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes 23456e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes private: 23466e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes size_t depth_; 23476e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t start_frame_; 23486e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t frame_count_; 23496e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::ExpandBuf* buf_; 235003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 235100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 235200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2353a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2354221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2355221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2356221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2357221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2358221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2359f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2360f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2361f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 23627a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor visitor(thread, start_frame, frame_count, buf); 23630399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 23646e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 2365872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2366872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2367872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetThreadSelfId() { 2368d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return GetThreadId(Thread::Current()); 2369d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz} 2370d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz 2371d539167b7f11136fe570a77aff2ee4935842007aSebastien HertzJDWP::ObjectId Dbg::GetThreadId(Thread* thread) { 2372dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 2373d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz return gRegistry->Add(thread->GetPeer()); 2374872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2375872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2376475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::SuspendVM() { 237700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Runtime::Current()->GetThreadList()->SuspendAllForDebugger(); 2378872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2379872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2380872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ResumeVM() { 23814eec026ec4d86869baa27ad0afd9564cca8856c9Sebastien Hertz Runtime::Current()->GetThreadList()->ResumeAllForDebugger(); 2382872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2383872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2384221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::SuspendThread(JDWP::ObjectId thread_id, bool request_suspension) { 2385f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers Thread* self = Thread::Current(); 2386f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers ScopedLocalRef<jobject> peer(self->GetJniEnv(), NULL); 238700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 2388f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers ScopedObjectAccess soa(self); 23892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers peer.reset(soa.AddLocalReference<jobject>(gRegistry->Get<mirror::Object*>(thread_id))); 239000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 239100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (peer.get() == NULL) { 239200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 239300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 2394f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers // Suspend thread to build stack trace. Take suspend thread lock to avoid races with threads 2395f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers // trying to suspend this one. 2396f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers MutexLock mu(self, *Locks::thread_list_suspend_thread_lock_); 2397f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes bool timed_out; 239837c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom ThreadList* thread_list = Runtime::Current()->GetThreadList(); 239937c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom Thread* thread = thread_list->SuspendThreadByPeer(peer.get(), request_suspension, true, 240037c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom &timed_out); 240100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (thread != NULL) { 240200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_NONE; 2403f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else if (timed_out) { 240400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_INTERNAL; 240500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } else { 240600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 24074e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 2408872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2409872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2410221229cb523f849f165fdafbf9785010963715daElliott Hughesvoid Dbg::ResumeThread(JDWP::ObjectId thread_id) { 241100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 24122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = gRegistry->Get<mirror::Object*>(thread_id); 2413a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao Thread* thread; 2414a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao { 2415a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2416a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao thread = Thread::FromManagedThread(soa, peer); 2417a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao } 24184e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes if (thread == NULL) { 24194e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes LOG(WARNING) << "No such thread for resume: " << peer; 24204e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return; 24214e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 242200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool needs_resume; 242300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 242450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 242500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers needs_resume = thread->GetSuspendCount() > 0; 242600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 242700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (needs_resume) { 2428546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes Runtime::Current()->GetThreadList()->Resume(thread, true); 2429546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 2430872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2431872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2432872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::SuspendSelf() { 2433475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes Runtime::Current()->GetThreadList()->SuspendSelfForDebugger(); 2434872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2435872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 24360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct GetThisVisitor : public StackVisitor { 24377a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 2438b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 24397a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), this_object(NULL), frame_id(frame_id) {} 244068fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 244100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 244200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 244300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 24446e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (frame_id != GetFrameId()) { 24450399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // continue 24460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 244762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_object = GetThisObject(); 244862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return false; 24490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 245068fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes } 2451dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 24522dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* this_object; 24536e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id; 24540399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers}; 2455ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 245600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan RogersJDWP::JdwpError Dbg::GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, 245700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* result) { 245800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 245900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread; 246000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 246150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2462221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2463221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2464221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 246500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 24669e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 246700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_SUSPENDED; 246800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 24696e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 2470700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 24717a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor visitor(thread, context.get(), frame_id); 24720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 24736e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes *result = gRegistry->Add(visitor.this_object); 24746e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 24750399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 24760399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 24775797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz// Walks the stack until we find the frame with the given FrameId. 24785797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertzclass FindFrameVisitor FINAL : public StackVisitor { 24795797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz public: 24805797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz FindFrameVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 24815797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 24825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz : StackVisitor(thread, context), frame_id_(frame_id), error_(JDWP::ERR_INVALID_FRAMEID) {} 2483ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 24845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 24855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // annotalysis. 24865797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 24875797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (GetFrameId() != frame_id_) { 24885797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return true; // Not our frame, carry on. 24890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24905797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::ArtMethod* m = GetMethod(); 24915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (m->IsNative()) { 24925797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // We can't read/write local value from/into native method. 24935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 24945797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 24955797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // We found our frame. 24965797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz error_ = JDWP::ERR_NONE; 24975797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 24985797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return false; 24995797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25005797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25015797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError GetError() const { 25025797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error_; 25035797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25045797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25055797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz private: 25065797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz const JDWP::FrameId frame_id_; 25075797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error_; 25085797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz}; 25095797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25105797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::GetLocalValues(JDWP::Request* request, JDWP::ExpandBuf* pReply) { 25115797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::ObjectId thread_id = request->ReadThreadId(); 25125797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::FrameId frame_id = request->ReadFrameId(); 251300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 251400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2515221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 25165797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz { 25175797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 25185797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 25195797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 25205797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 25215797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 2522221229cb523f849f165fdafbf9785010963715daElliott Hughes } 25235797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Find the frame with the given frame_id. 2524700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 25255797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz FindFrameVisitor visitor(thread, context.get(), frame_id); 25260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 25275797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetError() != JDWP::ERR_NONE) { 25285797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return visitor.GetError(); 25295797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25300399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 25315797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Read the values from visitor's context. 25325797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz int32_t slot_count = request->ReadSigned32("slot count"); 25335797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz expandBufAdd4BE(pReply, slot_count); /* "int values" */ 25345797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz for (int32_t i = 0; i < slot_count; ++i) { 25355797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t slot = request->ReadUnsigned32("slot"); 25365797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpTag reqSigByte = request->ReadTag(); 2537ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 25385797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << " --> slot " << slot << " " << reqSigByte; 25395797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25405797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz size_t width = Dbg::GetTagWidth(reqSigByte); 25415797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint8_t* ptr = expandBufAddSpace(pReply, width+1); 25425797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = Dbg::GetLocalValue(visitor, soa, slot, reqSigByte, ptr, width); 25435797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 25445797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 25455797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25465797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25475797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 25485797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz} 25495797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 25505797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::GetLocalValue(const StackVisitor& visitor, ScopedObjectAccessUnchecked& soa, 25515797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz int slot, JDWP::JdwpTag tag, uint8_t* buf, size_t width) { 25525797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::ArtMethod* m = visitor.GetMethod(); 25535797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint16_t reg = DemangleSlot(slot, m); 25545797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check that the tag is compatible with the actual type of the slot! 25555797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 25565797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz constexpr JDWP::JdwpError kFailureErrorCode = JDWP::ERR_ABSENT_INFORMATION; 25575797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz switch (tag) { 25585797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BOOLEAN: { 25595797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 1U); 25605797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25615797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25625797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get boolean local " << reg << " = " << intVal; 25635797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set1(buf + 1, intVal != 0); 25645797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 25655797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get boolean local " << reg; 25665797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 2567ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes } 25685797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 25695797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25705797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BYTE: { 25715797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 1U); 25725797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25735797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25745797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get byte local " << reg << " = " << intVal; 25755797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set1(buf + 1, intVal); 25765797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 25775797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get byte local " << reg; 25785797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 2579cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 25805797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 25815797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_SHORT: 25835797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CHAR: { 25845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 2U); 25855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25865797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25875797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get short/char local " << reg << " = " << intVal; 25885797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set2BE(buf + 1, intVal); 25895797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 25905797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get short/char local " << reg; 25915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 25925797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 25945797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 25955797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_INT: { 25965797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 25975797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 25985797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kIntVReg, &intVal)) { 25995797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get int local " << reg << " = " << intVal; 26005797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set4BE(buf + 1, intVal); 26015797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26025797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get int local " << reg; 26035797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26045797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26055797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26065797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26075797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_FLOAT: { 26085797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 26095797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 26105797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kFloatVReg, &intVal)) { 26115797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get float local " << reg << " = " << intVal; 26125797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set4BE(buf + 1, intVal); 26135797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26145797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get float local " << reg; 26155797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26165797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26175797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26185797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26195797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_ARRAY: 26205797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_LOADER: 26215797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_OBJECT: 26225797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_OBJECT: 26235797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_STRING: 26245797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD: 26255797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD_GROUP: { 26265797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, sizeof(JDWP::ObjectId)); 26275797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t intVal; 26285797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVReg(m, reg, kReferenceVReg, &intVal)) { 26295797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::Object* o = reinterpret_cast<mirror::Object*>(intVal); 26305797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get " << tag << " object local " << reg << " = " << o; 26315797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 26325797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz LOG(FATAL) << "Register " << reg << " expected to hold " << tag << " object: " << o; 26330bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 26345797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz tag = TagFromObject(soa, o); 26355797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::SetObjectId(buf + 1, gRegistry->Add(o)); 26365797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26375797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get " << tag << " object local " << reg; 26385797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 26405797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26415797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26425797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_DOUBLE: { 26435797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 26445797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t longVal; 26455797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVRegPair(m, reg, kDoubleLoVReg, kDoubleHiVReg, &longVal)) { 26465797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get double local " << reg << " = " << longVal; 26475797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set8BE(buf + 1, longVal); 26485797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26495797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get double local " << reg; 26505797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26515797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26525797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 2653cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes } 26545797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_LONG: { 26555797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 26565797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t longVal; 26575797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetVRegPair(m, reg, kLongLoVReg, kLongHiVReg, &longVal)) { 26585797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "get long local " << reg << " = " << longVal; 26595797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set8BE(buf + 1, longVal); 26605797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else { 26615797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to get long local " << reg; 26625797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 26635797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26645797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26655797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26665797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz default: 26675797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz LOG(FATAL) << "Unknown tag " << tag; 26685797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 26695797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 26715797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Prepend tag, which may have been updated. 26725797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::Set1(buf, tag); 26735797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 26745797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz} 26755797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 26765797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::SetLocalValues(JDWP::Request* request) { 26775797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::ObjectId thread_id = request->ReadThreadId(); 26785797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::FrameId frame_id = request->ReadFrameId(); 267900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 268000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2681221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 26825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz { 26835797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 26845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 26855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 26865797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 26875797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 2688221229cb523f849f165fdafbf9785010963715daElliott Hughes } 26895797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Find the frame with the given frame_id. 2690700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 26915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz FindFrameVisitor visitor(thread, context.get(), frame_id); 26920399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 26935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (visitor.GetError() != JDWP::ERR_NONE) { 26945797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return visitor.GetError(); 26955797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 26965797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 26975797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // Writes the values into visitor's context. 26985797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz int32_t slot_count = request->ReadSigned32("slot count"); 26995797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz for (int32_t i = 0; i < slot_count; ++i) { 27005797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint32_t slot = request->ReadUnsigned32("slot"); 27015797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpTag sigByte = request->ReadTag(); 27025797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz size_t width = Dbg::GetTagWidth(sigByte); 27035797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t value = request->ReadValue(width); 27045797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 27055797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << " --> slot " << slot << " " << sigByte << " " << value; 27065797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz JDWP::JdwpError error = Dbg::SetLocalValue(visitor, slot, sigByte, value, width); 27075797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (error != JDWP::ERR_NONE) { 27085797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return error; 27095797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27105797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27115797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 27125797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz} 27135797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz 27145797aef3bbfa6fc762d384e25b31f6a121664987Sebastien HertzJDWP::JdwpError Dbg::SetLocalValue(StackVisitor& visitor, int slot, JDWP::JdwpTag tag, 27155797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint64_t value, size_t width) { 27165797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::ArtMethod* m = visitor.GetMethod(); 27175797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz uint16_t reg = DemangleSlot(slot, m); 27185797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check that the tag is compatible with the actual type of the slot! 27195797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 27205797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz constexpr JDWP::JdwpError kFailureErrorCode = JDWP::ERR_ABSENT_INFORMATION; 27215797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz switch (tag) { 27225797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BOOLEAN: 27235797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_BYTE: 27245797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 1U); 27255797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kIntVReg)) { 27265797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set boolean/byte local " << reg << " = " 27275797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27285797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27295797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27305797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27315797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_SHORT: 27325797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CHAR: 27335797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 2U); 27345797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kIntVReg)) { 27355797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set short/char local " << reg << " = " 27365797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27375797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27385797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27395797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27405797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_INT: 27415797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 27425797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kIntVReg)) { 27435797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set int local " << reg << " = " 27445797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27455797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27465797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27475797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27485797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_FLOAT: 27495797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 4U); 27505797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(value), kFloatVReg)) { 27515797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set float local " << reg << " = " 27525797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz << static_cast<uint32_t>(value); 27535797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27545797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27555797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27565797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_ARRAY: 27575797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_LOADER: 27585797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_CLASS_OBJECT: 27595797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_OBJECT: 27605797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_STRING: 27615797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD: 27625797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_THREAD_GROUP: { 27635797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, sizeof(JDWP::ObjectId)); 27645797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(static_cast<JDWP::ObjectId>(value)); 27655797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (o == ObjectRegistry::kInvalidObject) { 27665797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << tag << " object " << o << " is an invalid object"; 27675797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 27685797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } else if (!visitor.SetVReg(m, reg, static_cast<uint32_t>(reinterpret_cast<uintptr_t>(o)), 27695797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz kReferenceVReg)) { 27705797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set " << tag << " object local " << reg << " = " << o; 27715797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27725797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27735797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27745797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27755797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_DOUBLE: { 27765797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 27775797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVRegPair(m, reg, value, kDoubleLoVReg, kDoubleHiVReg)) { 27785797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set double local " << reg << " = " << value; 27795797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27805797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27815797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27825797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27835797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz case JDWP::JT_LONG: { 27845797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz CHECK_EQ(width, 8U); 27855797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz if (!visitor.SetVRegPair(m, reg, value, kLongLoVReg, kLongHiVReg)) { 27865797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz VLOG(jdwp) << "failed to set double local " << reg << " = " << value; 27875797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return kFailureErrorCode; 27885797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27895797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27905797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27915797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz default: 27925797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz LOG(FATAL) << "Unknown tag " << tag; 27935797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz break; 27945797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz } 27955797aef3bbfa6fc762d384e25b31f6a121664987Sebastien Hertz return JDWP::ERR_NONE; 2796872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2797872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2798d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertzstatic void SetEventLocation(JDWP::EventLocation* location, mirror::ArtMethod* m, uint32_t dex_pc) 2799d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2800d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz DCHECK(location != nullptr); 2801d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz if (m == nullptr) { 2802d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz memset(location, 0, sizeof(*location)); 2803d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz } else { 2804d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->method = m; 2805d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz location->dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint32_t>(-1) : dex_pc; 28063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28073f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 28083f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2809ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersvoid Dbg::PostLocationEvent(mirror::ArtMethod* m, int dex_pc, mirror::Object* this_object, 2810579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao int event_flags, const JValue* return_value) { 28113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 28123f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 28133f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28143f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 28153f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK_EQ(m->IsStatic(), this_object == nullptr); 2816d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation location; 2817d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&location, m, dex_pc); 281891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 2819d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostLocationEvent(&location, this_object, event_flags, return_value); 2820872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2821872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 28223f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldAccessEvent(mirror::ArtMethod* m, int dex_pc, 28233f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f) { 28243f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 28253f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 28263f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28273f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 28283f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 2829d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation location; 2830d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&location, m, dex_pc); 28313f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2832d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostFieldEvent(&location, f, this_object, nullptr, false); 28333f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 28343f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 28353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldModificationEvent(mirror::ArtMethod* m, int dex_pc, 28363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f, 28373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz const JValue* field_value) { 28383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 28393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 28403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 28413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 28423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 28433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(field_value != nullptr); 2844d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation location; 2845d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&location, m, dex_pc); 28463f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2847d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostFieldEvent(&location, f, this_object, field_value, true); 28483f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 28493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 28503f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostException(const ThrowLocation& throw_location, 2851ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, 285264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes uint32_t catch_dex_pc, mirror::Throwable* exception_object) { 2853c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 28540ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers return; 28550ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers } 2856d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation exception_throw_location; 2857d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&exception_throw_location, throw_location.GetMethod(), throw_location.GetDexPc()); 2858d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz JDWP::EventLocation exception_catch_location; 2859d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz SetEventLocation(&exception_catch_location, catch_method, catch_dex_pc); 28604740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 2861d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostException(&exception_throw_location, exception_object, &exception_catch_location, 2862d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz throw_location.GetThis()); 2863872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2864872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 28652dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::PostClassPrepare(mirror::Class* c) { 2866c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 28674740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes return; 28684740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes } 2869d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostClassPrepare(c); 2870872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2871872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 287262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersvoid Dbg::UpdateDebugger(Thread* thread, mirror::Object* this_object, 28738379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz mirror::ArtMethod* m, uint32_t dex_pc, 28748379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz int event_flags, const JValue* return_value) { 287562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (!IsDebuggerActive() || dex_pc == static_cast<uint32_t>(-2) /* fake method exit */) { 28762aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes return; 287791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 287891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 28798696433d1b3d8ba15288483b777edd888de69135Elliott Hughes if (IsBreakpoint(m, dex_pc)) { 28808696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kBreakpoint; 288191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 288291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 288361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // If the debugger is single-stepping one of our threads, check to 288461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // see if we're that thread and we've reached a step point. 288561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const SingleStepControl* single_step_control = thread->GetSingleStepControl(); 288661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 288761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->is_active) { 288861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK(!m->IsNative()); 288961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_depth == JDWP::SD_INTO) { 289061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step into method calls. We break when the line number 289161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // or method pointer changes. If we're in SS_MIN mode, we 289261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // always stop. 289361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->method != m) { 289461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 289561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new method"; 289661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_size == JDWP::SS_MIN) { 289761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 289861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new instruction"; 2899bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 290061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 290161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new line"; 290261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 290361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_depth == JDWP::SD_OVER) { 290461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step over method calls. We break when the line number is 290561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // different and the frame depth is <= the original frame 290661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth. (We can't just compare on the method, because we 290761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // might get unrolled past it by an exception, and it's tricky 290861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // to identify recursion.) 290961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 291061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 291161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 291261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 291361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Popped up one or more frames, always trigger. 291461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 291561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 291661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (stack_depth == single_step_control->stack_depth) { 291761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Same depth, see if we moved. 291861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_size == JDWP::SS_MIN) { 29198696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kSingleStep; 29208696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "SS new instruction"; 2921bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 29222435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes event_flags |= kSingleStep; 29232435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "SS new line"; 292491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 292561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 292661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else { 292761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK_EQ(single_step_control->step_depth, JDWP::SD_OUT); 292861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Return from the current method. We break when the frame 292961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth pops up. 293061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 293161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // This differs from the "method exit" break in that it stops 293261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // with the PC at the next instruction in the returned-to 293361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // function, rather than the end of the returning function. 293461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 293561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 293661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 293761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 293861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 29398696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 294091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 294191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 294291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 294391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // If there's something interesting going on, see if it matches one 294491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // of the debugger filters. 294591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (event_flags != 0) { 29468379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::PostLocationEvent(m, dex_pc, this_object, event_flags, return_value); 294791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 294891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes} 294991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 295042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t* Dbg::GetReferenceCounterForEvent(uint32_t instrumentation_event) { 295142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz switch (instrumentation_event) { 295242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodEntered: 295342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_enter_event_ref_count_; 295442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodExited: 295542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_exit_event_ref_count_; 295642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kDexPcMoved: 295742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &dex_pc_change_event_ref_count_; 295842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldRead: 295942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_read_event_ref_count_; 296042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldWritten: 296142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_write_event_ref_count_; 296242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kExceptionCaught: 296342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &exception_catch_event_ref_count_; 296442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz default: 296542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return nullptr; 296642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 296742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz} 296842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz 29694d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz// Process request while all mutator threads are suspended. 29704d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::ProcessDeoptimizationRequest(const DeoptimizationRequest& request) { 2971138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 29720ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi switch (request.GetKind()) { 29734d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kNothing: 29744d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(WARNING) << "Ignoring empty deoptimization request."; 29754d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 297642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: 297742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Add debugger as listener for instrumentation event 0x%x", 29780ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 29790ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->AddListener(&gDebugInstrumentationListener, request.InstrumentationEvent()); 29800ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation_events_ |= request.InstrumentationEvent(); 298142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 298242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: 298342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Remove debugger as listener for instrumentation event 0x%x", 29840ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 298542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation->RemoveListener(&gDebugInstrumentationListener, 29860ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 29870ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation_events_ &= ~request.InstrumentationEvent(); 298842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 29894d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: 29907ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world ..."; 29914d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->DeoptimizeEverything(); 29927ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world DONE"; 29934d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29944d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: 29957ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world ..."; 29964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->UndeoptimizeEverything(); 29977ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world DONE"; 29984d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29994d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: 30000ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.Method()) << " ..."; 30010ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->Deoptimize(request.Method()); 30020ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.Method()) << " DONE"; 30034d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30044d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: 30050ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.Method()) << " ..."; 30060ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->Undeoptimize(request.Method()); 30070ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.Method()) << " DONE"; 30084d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30094d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: 30100ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi LOG(FATAL) << "Unsupported deoptimization request kind " << request.GetKind(); 30114d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30124d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 30134d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 30144d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 30157ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::DelayFullUndeoptimization() { 3016f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (RequiresDeoptimization()) { 3017f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 3018f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz ++delayed_full_undeoptimization_count_; 3019f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DCHECK_LE(delayed_full_undeoptimization_count_, full_deoptimization_event_count_); 3020f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 30217ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 30227ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 30237ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::ProcessDelayedFullUndeoptimizations() { 30247ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz // TODO: avoid taking the lock twice (once here and once in ManageDeoptimization). 30257ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz { 3026f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 30277ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz while (delayed_full_undeoptimization_count_ > 0) { 30287ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DeoptimizationRequest req; 30290ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.SetKind(DeoptimizationRequest::kFullUndeoptimization); 30300ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.SetMethod(nullptr); 30317ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 30327ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz --delayed_full_undeoptimization_count_; 30337ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 30347ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 30357ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ManageDeoptimization(); 30367ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 30377ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 30384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::RequestDeoptimization(const DeoptimizationRequest& req) { 30390ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (req.GetKind() == DeoptimizationRequest::kNothing) { 30404d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz // Nothing to do. 30414d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz return; 30424d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 3043f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(Thread::Current(), *Locks::deoptimization_lock_); 30447ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 30457ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 30467ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 30477ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::RequestDeoptimizationLocked(const DeoptimizationRequest& req) { 30480ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi switch (req.GetKind()) { 304942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: { 30500ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK_NE(req.InstrumentationEvent(), 0u); 30510ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi size_t* counter = GetReferenceCounterForEvent(req.InstrumentationEvent()); 305242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 30530ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.InstrumentationEvent()); 305442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 30557d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to start listening to instrumentation event 0x%x", 30560ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi deoptimization_requests_.size(), req.InstrumentationEvent()); 305742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 305842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 305942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter + 1; 306042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 306142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 306242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: { 30630ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK_NE(req.InstrumentationEvent(), 0u); 30640ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi size_t* counter = GetReferenceCounterForEvent(req.InstrumentationEvent()); 306542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 30660ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.InstrumentationEvent()); 306742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter - 1; 306842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 30697d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to stop listening to instrumentation event 0x%x", 30700ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi deoptimization_requests_.size(), req.InstrumentationEvent()); 307142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 307242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 307342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 307442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 30754d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: { 30760ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() == nullptr); 30774d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 30787ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 30797ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full deoptimization"; 30804d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 3081138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 30824d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ++full_deoptimization_event_count_; 30834d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30844d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 30854d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: { 30860ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() == nullptr); 3087e713d9338ad122d6b8c7997387d0c9fc464eea3eSebastien Hertz DCHECK_GT(full_deoptimization_event_count_, 0U); 30884d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz --full_deoptimization_event_count_; 30894d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 30907ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 30917ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full undeoptimization"; 30924d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 3093138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 30944d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 30954d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 30964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: { 30970ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() != nullptr); 30987ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 30990ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi << " for deoptimization of " << PrettyMethod(req.Method()); 31004d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 31014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 31024d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 31034d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: { 31040ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() != nullptr); 31057ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 31060ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi << " for undeoptimization of " << PrettyMethod(req.Method()); 31074d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 31084d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 31094d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 31104d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: { 31110ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi LOG(FATAL) << "Unknown deoptimization request kind " << req.GetKind(); 31124d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 3113138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3114138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3115138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 3116138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3117138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertzvoid Dbg::ManageDeoptimization() { 3118138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Thread* const self = Thread::Current(); 3119138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 3120138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Avoid suspend/resume if there is no pending request. 3121f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::deoptimization_lock_); 31224d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_requests_.empty()) { 3123138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz return; 3124138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3125138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3126138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 3127138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromRunnableToSuspended(kWaitingForDeoptimization); 3128138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // We need to suspend mutator threads first. 3129138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Runtime* const runtime = Runtime::Current(); 3130138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->SuspendAll(); 3131138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz const ThreadState old_state = self->SetStateUnsafe(kRunnable); 31324d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 3133f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::deoptimization_lock_); 31347ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz size_t req_index = 0; 31350ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi for (DeoptimizationRequest& request : deoptimization_requests_) { 31367ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Process deoptimization request #" << req_index++; 31374d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ProcessDeoptimizationRequest(request); 31384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 31394d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 31404d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 3141138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 3142138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->ResumeAll(); 3143138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromSuspendedToRunnable(); 3144138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 3145138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3146a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic bool IsMethodPossiblyInlined(Thread* self, mirror::ArtMethod* m) 3147a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3148bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 3149a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (code_item == nullptr) { 3150a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // TODO We should not be asked to watch location in a native or abstract method so the code item 3151a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // should never be null. We could just check we never encounter this case. 3152a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return false; 3153a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 31544d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Note: method verifier may cause thread suspension. 31554d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz self->AssertThreadSuspensionIsAllowable(); 3156eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(self); 3157bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Class* declaring_class = m->GetDeclaringClass(); 3158bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(declaring_class->GetDexCache())); 3159bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier Handle<mirror::ClassLoader> class_loader(hs.NewHandle(declaring_class->GetClassLoader())); 3160bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier verifier::MethodVerifier verifier(dex_cache->GetDexFile(), &dex_cache, &class_loader, 3161bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier &m->GetClassDef(), code_item, m->GetDexMethodIndex(), m, 316246960fe5dcc1be07b39a55114338423a73554449Ian Rogers m->GetAccessFlags(), false, true, false); 3163a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: we don't need to verify the method. 3164a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return InlineMethodAnalyser::AnalyseMethodCode(&verifier, nullptr); 3165a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3166138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3167a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic const Breakpoint* FindFirstBreakpointForMethod(mirror::ArtMethod* m) 316859d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::breakpoint_lock_) { 31690ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi for (Breakpoint& breakpoint : gBreakpoints) { 31700ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (breakpoint.Method() == m) { 3171a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return &breakpoint; 3172138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3173a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3174a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return nullptr; 3175a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3176138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3177a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Sanity checks all existing breakpoints on the same method. 3178f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzstatic void SanityCheckExistingBreakpoints(mirror::ArtMethod* m, 3179f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind deoptimization_kind) 318059d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::breakpoint_lock_) { 31814d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 3182f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (breakpoint.Method() == m) { 3183f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK_EQ(deoptimization_kind, breakpoint.GetDeoptimizationKind()); 3184f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 31854d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 3186f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 3187f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (deoptimization_kind == DeoptimizationRequest::kFullDeoptimization) { 31884d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // We should have deoptimized everything but not "selectively" deoptimized this method. 3189f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(instrumentation->AreAllMethodsDeoptimized()); 3190f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(!instrumentation->IsDeoptimized(m)); 3191f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else if (deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization) { 31924d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // We should have "selectively" deoptimized this method. 31934d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Note: while we have not deoptimized everything for this method, we may have done it for 31944d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // another event. 3195f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(instrumentation->IsDeoptimized(m)); 3196f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3197f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // This method does not require deoptimization. 3198f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK_EQ(deoptimization_kind, DeoptimizationRequest::kNothing); 3199f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(!instrumentation->IsDeoptimized(m)); 3200138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3201a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3202138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3203f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzstatic DeoptimizationRequest::Kind GetRequiredDeoptimizationKind(Thread* self, 3204f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz mirror::ArtMethod* m) 3205f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3206f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (!Dbg::RequiresDeoptimization()) { 3207f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // We already run in interpreter-only mode so we don't need to deoptimize anything. 3208f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "No need for deoptimization when fully running with interpreter for method " 3209f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz << PrettyMethod(m); 3210f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kNothing; 3211f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 32124d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz const Breakpoint* existing_breakpoint; 32134d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz { 32144d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz ReaderMutexLock mu(self, *Locks::breakpoint_lock_); 32154d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz existing_breakpoint = FindFirstBreakpointForMethod(m); 32164d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 3217a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 3218a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no breakpoint on this method yet: we need to deoptimize. If this method may be 3219a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // inlined, we deoptimize everything; otherwise we deoptimize only this method. 32204d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Note: IsMethodPossiblyInlined goes into the method verifier and may cause thread suspension. 32214d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz // Therefore we must not hold any lock when we call it. 3222f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz bool need_full_deoptimization = IsMethodPossiblyInlined(self, m); 3223a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 3224f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "Need full deoptimization because of possible inlining of method " 3225f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz << PrettyMethod(m); 3226f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kFullDeoptimization; 3227a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3228f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // We don't need to deoptimize if the method has not been compiled. 3229f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz ClassLinker* const class_linker = Runtime::Current()->GetClassLinker(); 3230f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz const bool is_compiled = class_linker->GetOatMethodQuickCodeFor(m) != nullptr; 3231f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (is_compiled) { 3232f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "Need selective deoptimization for compiled method " << PrettyMethod(m); 3233f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kSelectiveDeoptimization; 3234f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3235f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // Method is not compiled: we don't need to deoptimize. 3236f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "No need for deoptimization for non-compiled method " << PrettyMethod(m); 3237f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kNothing; 3238f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 3239a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3240a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3241a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to deoptimize. 3242f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // Let's check that all breakpoints are configured the same way for deoptimization. 3243f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz VLOG(jdwp) << "Breakpoint already set: no deoptimization is required"; 3244f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind deoptimization_kind = existing_breakpoint->GetDeoptimizationKind(); 32454d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz if (kIsDebugBuild) { 32464d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz ReaderMutexLock mu(self, *Locks::breakpoint_lock_); 3247f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz SanityCheckExistingBreakpoints(m, deoptimization_kind); 32484d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 3249f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz return DeoptimizationRequest::kNothing; 3250f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } 3251f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz} 3252f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz 3253f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz// Installs a breakpoint at the specified location. Also indicates through the deoptimization 3254f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz// request if we need to deoptimize. 3255f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertzvoid Dbg::WatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 3256f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz Thread* const self = Thread::Current(); 3257f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz mirror::ArtMethod* m = FromMethodId(location->method_id); 3258f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 3259f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz 3260f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz const DeoptimizationRequest::Kind deoptimization_kind = GetRequiredDeoptimizationKind(self, m); 3261f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetKind(deoptimization_kind); 3262f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization) { 3263f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetMethod(m); 3264f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3265f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK(deoptimization_kind == DeoptimizationRequest::kNothing || 3266f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz deoptimization_kind == DeoptimizationRequest::kFullDeoptimization); 3267f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetMethod(nullptr); 3268138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3269a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 32704d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz { 32714d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz WriterMutexLock mu(self, *Locks::breakpoint_lock_); 3272f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz gBreakpoints.push_back(Breakpoint(m, location->dex_pc, deoptimization_kind)); 32734d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz VLOG(jdwp) << "Set breakpoint #" << (gBreakpoints.size() - 1) << ": " 32744d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz << gBreakpoints[gBreakpoints.size() - 1]; 32754d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 3276872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3277872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3278a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Uninstalls a breakpoint at the specified location. Also indicates through the deoptimization 3279a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to undeoptimize. 32804d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::UnwatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 328159d9d668d4f4286813afe2b4e7c6db839222ce96Sebastien Hertz WriterMutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 3282ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(location->method_id); 3283a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 3284f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DeoptimizationRequest::Kind deoptimization_kind = DeoptimizationRequest::kNothing; 3285a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 32860ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (gBreakpoints[i].DexPc() == location->dex_pc && gBreakpoints[i].Method() == m) { 3287a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Removed breakpoint #" << i << ": " << gBreakpoints[i]; 3288f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz deoptimization_kind = gBreakpoints[i].GetDeoptimizationKind(); 3289f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz DCHECK_EQ(deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization, 3290f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 3291a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.erase(gBreakpoints.begin() + i); 3292a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz break; 3293138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3294138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3295a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 3296a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 3297a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no more breakpoint on this method: we need to undeoptimize. 3298f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz if (deoptimization_kind == DeoptimizationRequest::kFullDeoptimization) { 3299a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required full deoptimization: we need to undeoptimize everything. 33000ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kFullUndeoptimization); 33010ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 3302f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else if (deoptimization_kind == DeoptimizationRequest::kSelectiveDeoptimization) { 3303a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required selective deoptimization: we need to undeoptimize only that method. 33040ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kSelectiveUndeoptimization); 33050ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(m); 3306f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz } else { 3307f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz // This method had no need for deoptimization: do nothing. 3308f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz CHECK_EQ(deoptimization_kind, DeoptimizationRequest::kNothing); 3309f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetKind(DeoptimizationRequest::kNothing); 3310f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz req->SetMethod(nullptr); 3311a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3312a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3313a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to undeoptimize. 33140ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kNothing); 33150ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 33164d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz if (kIsDebugBuild) { 3317f2134f684923454e00c8ca7675b431a8538131bcSebastien Hertz SanityCheckExistingBreakpoints(m, deoptimization_kind); 33184d6e48392771467b9e37fdeb32479ca29bf9c691Sebastien Hertz } 33198696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3320872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3321872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3322449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// Scoped utility class to suspend a thread so that we may do tasks such as walk its stack. Doesn't 3323449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// cause suspension if the thread is the current thread. 3324449db33fafa29578df60e8a323f78d5eb6247e76Jeff Haoclass ScopedThreadSuspension { 3325449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao public: 332633e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers ScopedThreadSuspension(Thread* self, JDWP::ObjectId thread_id) 332752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_) 332833e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) : 3329f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers thread_(nullptr), 3330449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_(JDWP::ERR_NONE), 3331449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_(false), 333233e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers other_suspend_(false) { 3333449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedObjectAccessUnchecked soa(self); 3334449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao { 3335449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3336449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = DecodeThread(soa, thread_id, thread_); 3337449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3338449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (error_ == JDWP::ERR_NONE) { 3339449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (thread_ == soa.Self()) { 3340449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_ = true; 3341449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3342449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao soa.Self()->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 3343d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz jobject thread_peer = Dbg::GetObjectRegistry()->GetJObject(thread_id); 3344449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool timed_out; 3345f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers Thread* suspended_thread; 3346f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers { 3347f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers // Take suspend thread lock to avoid races with threads trying to suspend this one. 3348f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_suspend_thread_lock_); 334937c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom ThreadList* thread_list = Runtime::Current()->GetThreadList(); 335037c16453a92bbf1a47f042000318a1b60381017dBrian Carlstrom suspended_thread = thread_list->SuspendThreadByPeer(thread_peer, true, true, &timed_out); 3351f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers } 3352449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(soa.Self()->TransitionFromSuspendedToRunnable(), kWaitingForDebuggerSuspension); 3353f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers if (suspended_thread == nullptr) { 3354449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao // Thread terminated from under us while suspending. 3355449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = JDWP::ERR_INVALID_THREAD; 3356449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3357449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(suspended_thread, thread_); 3358449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao other_suspend_ = true; 3359449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3360449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3361449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3362449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3363449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3364449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* GetThread() const { 3365449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return thread_; 3366449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3367449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3368449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError GetError() const { 3369449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return error_; 3370449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3371449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3372449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ~ScopedThreadSuspension() { 3373449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (other_suspend_) { 3374449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Runtime::Current()->GetThreadList()->Resume(thread_, true); 3375449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3376449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3377449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3378449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao private: 3379449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* thread_; 3380449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError error_; 3381449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool self_suspend_; 3382449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool other_suspend_; 3383449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao}; 3384449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3385221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize step_size, 338600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpStepDepth step_depth) { 3387449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* self = Thread::Current(); 3388449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedThreadSuspension sts(self, thread_id); 3389449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (sts.GetError() != JDWP::ERR_NONE) { 3390449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return sts.GetError(); 33912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 33928696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 33932435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 33942435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Work out what Method* we're in, the current line number, and how deep the stack currently 33952435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // is for step-out. 33962435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 33972435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 33980399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SingleStepStackVisitor : public StackVisitor { 339961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz explicit SingleStepStackVisitor(Thread* thread, SingleStepControl* single_step_control, 340061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* line_number) 3401b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 340261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz : StackVisitor(thread, NULL), single_step_control_(single_step_control), 340361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz line_number_(line_number) { 340461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK_EQ(single_step_control_, thread->GetSingleStepControl()); 340561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = NULL; 340661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->stack_depth = 0; 34078696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3408ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 340900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 341000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 341100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 341261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz mirror::ArtMethod* m = GetMethod(); 34130399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 341461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ++single_step_control_->stack_depth; 341561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control_->method == NULL) { 3416ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::DexCache* dex_cache = m->GetDeclaringClass()->GetDexCache(); 341761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = m; 341861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = -1; 34192435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (dex_cache != NULL) { 34204445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *dex_cache->GetDexFile(); 342161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = dex_file.GetLineNumFromPC(m, GetDexPc()); 34222435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34238696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 34248696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3425530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 34268696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 342761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 342861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 342961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* const line_number_; 34308696433d1b3d8ba15288483b777edd888de69135Elliott Hughes }; 3431449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 343261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* const thread = sts.GetThread(); 343361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control = thread->GetSingleStepControl(); 343461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 343561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t line_number = -1; 343661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepStackVisitor visitor(thread, single_step_control, &line_number); 34370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 34388696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 34392435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34402435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Find the dex_pc values that correspond to the current line, for line-based single-stepping. 34412435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34422435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 34432435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes struct DebugCallbackContext { 3444bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz explicit DebugCallbackContext(SingleStepControl* single_step_control, int32_t line_number, 3445bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* code_item) 3446bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz : single_step_control_(single_step_control), line_number_(line_number), code_item_(code_item), 344761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz last_pc_valid(false), last_pc(0) { 34482435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34492435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 345061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz static bool Callback(void* raw_context, uint32_t address, uint32_t line_number) { 34512435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes DebugCallbackContext* context = reinterpret_cast<DebugCallbackContext*>(raw_context); 345261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (static_cast<int32_t>(line_number) == context->line_number_) { 34532435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (!context->last_pc_valid) { 34542435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything from this address until the next line change is ours. 34552435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc = address; 34562435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = true; 34572435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34582435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Otherwise, if we're already in a valid range for this line, 34592435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // just keep going (shouldn't really happen)... 34607934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom } else if (context->last_pc_valid) { // and the line number is new 34612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Add everything from the last entry up until here to the set 34622435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = context->last_pc; dex_pc < address; ++dex_pc) { 346361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz context->single_step_control_->dex_pcs.insert(dex_pc); 34642435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34652435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = false; 34662435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34677934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return false; // There may be multiple entries for any given line. 34682435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34692435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 347061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ~DebugCallbackContext() { 34712435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // If the line number was the last in the position table... 34722435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (last_pc_valid) { 3473bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz size_t end = code_item_->insns_size_in_code_units_; 34742435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = last_pc; dex_pc < end; ++dex_pc) { 347561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->dex_pcs.insert(dex_pc); 34762435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34772435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34782435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 34792435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 348061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 348161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const int32_t line_number_; 3482bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item_; 34832435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes bool last_pc_valid; 34842435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes uint32_t last_pc; 34852435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes }; 348661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->dex_pcs.clear(); 3487ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = single_step_control->method; 348861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (!m->IsNative()) { 3489bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* const code_item = m->GetCodeItem(); 3490bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz DebugCallbackContext context(single_step_control, line_number, code_item); 3491bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 3492bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DebugCallbackContext::Callback, NULL, &context); 34933e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes } 34942435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 34952435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34962435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything else... 34972435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 34982435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 349961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_size = step_size; 350061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_depth = step_depth; 350161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->is_active = true; 35028696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 35032435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (VLOG_IS_ON(jdwp)) { 350461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step thread: " << *thread; 350561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step size: " << single_step_control->step_size; 350661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step depth: " << single_step_control->step_depth; 350761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current method: " << PrettyMethod(single_step_control->method); 350861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current line: " << line_number; 350961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current stack depth: " << single_step_control->stack_depth; 35102435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "Single-step dex_pc values:"; 3511bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz for (uint32_t dex_pc : single_step_control->dex_pcs) { 3512bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz VLOG(jdwp) << StringPrintf(" %#x", dex_pc); 35132435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 35142435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 35152435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 35162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 3517872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3518872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 351961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertzvoid Dbg::UnconfigureStep(JDWP::ObjectId thread_id) { 352061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 352161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 352261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* thread; 352361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 352487118ed6f3f99e7df33214c277cf200a7b9a7499Sebastien Hertz if (error == JDWP::ERR_NONE) { 352561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* single_step_control = thread->GetSingleStepControl(); 352661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 3527bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz single_step_control->Clear(); 352861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 3529872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3530872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 353145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughesstatic char JdwpTagToShortyChar(JDWP::JdwpTag tag) { 353245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes switch (tag) { 353345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes default: 353445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes LOG(FATAL) << "unknown JDWP tag: " << PrintableChar(tag); 353545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 353645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Primitives. 353745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BYTE: return 'B'; 353845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CHAR: return 'C'; 353945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_FLOAT: return 'F'; 354045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_DOUBLE: return 'D'; 354145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_INT: return 'I'; 354245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_LONG: return 'J'; 354345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_SHORT: return 'S'; 354445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_VOID: return 'V'; 354545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BOOLEAN: return 'Z'; 354645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 354745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Reference types. 354845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_ARRAY: 354945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_OBJECT: 355045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_STRING: 355145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD: 355245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD_GROUP: 355345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_LOADER: 355445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_OBJECT: 355545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return 'L'; 355645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 355745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes} 355845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 355988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::InvokeMethod(JDWP::ObjectId thread_id, JDWP::ObjectId object_id, 356088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::RefTypeId class_id, JDWP::MethodId method_id, 356100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint32_t arg_count, uint64_t* arg_values, 356200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* arg_types, uint32_t options, 356300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* pResultTag, uint64_t* pResultValue, 356400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* pExceptionId) { 3565d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes ThreadList* thread_list = Runtime::Current()->GetThreadList(); 3566d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3567d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes Thread* targetThread = NULL; 3568d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes DebugInvokeReq* req = NULL; 356900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 3570d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 357100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 357250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3573221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, targetThread); 3574221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 3575221229cb523f849f165fdafbf9785010963715daElliott Hughes LOG(ERROR) << "InvokeMethod request for invalid thread id " << thread_id; 3576221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 3577d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3578d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes req = targetThread->GetInvokeReq(); 3579d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (!req->ready) { 3580d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << "InvokeMethod request for thread not stopped by event: " << *targetThread; 3581d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return JDWP::ERR_INVALID_THREAD; 3582d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3583d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3584d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3585d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We currently have a bug where we don't successfully resume the 3586d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * target thread if the suspend count is too deep. We're expected to 3587d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * require one "resume" for each "suspend", but when asked to execute 3588d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a method we have to resume fully and then re-suspend it back to the 3589d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * same level. (The easiest way to cause this is to type "suspend" 3590d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * multiple times in jdb.) 3591d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3592d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * It's unclear what this means when the event specifies "resume all" 3593d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * and some threads are suspended more deeply than others. This is 3594d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a rare problem, so for now we just prevent it from hanging forever 3595d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * by rejecting the method invocation request. Without this, we will 3596d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * be stuck waiting on a suspended thread. 3597d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 359800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int suspend_count; 359900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 360050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 360100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers suspend_count = targetThread->GetSuspendCount(); 360200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 3603d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (suspend_count > 1) { 3604d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << *targetThread << " suspend count too deep for method invocation: " << suspend_count; 36057934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return JDWP::ERR_THREAD_SUSPENDED; // Probably not expected here. 3606d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3607d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 36083f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes JDWP::JdwpError status; 36092dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* receiver = gRegistry->Get<mirror::Object*>(object_id); 361064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (receiver == ObjectRegistry::kInvalidObject) { 36113f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 36123f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 361345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 36142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread = gRegistry->Get<mirror::Object*>(thread_id); 361564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread == ObjectRegistry::kInvalidObject) { 36163f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 36173f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 361845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // TODO: check that 'thread' is actually a java.lang.Thread! 361945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 36202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 362145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (c == NULL) { 36223f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return status; 36233f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 362445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3625ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 362645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic() != (receiver == NULL)) { 362745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 362845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 362945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic()) { 363045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->GetDeclaringClass() != c) { 363145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 363245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 363345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } else { 363445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { 363545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 363645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 363745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 363845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 363945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Check the argument list matches the method. 3640bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier uint32_t shorty_len = 0; 3641bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* shorty = m->GetShorty(&shorty_len); 3642bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty_len - 1 != arg_count) { 364345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 364445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 36450920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 3646bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier { 3647bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<3> hs(soa.Self()); 3648bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle(m)); 3649bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&receiver)); 3650bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier HandleWrapper<mirror::Class> h_klass(hs.NewHandleWrapper(&c)); 3651bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::TypeList* types = m->GetParameterTypeList(); 3652bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier for (size_t i = 0; i < arg_count; ++i) { 3653bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty[i + 1] != JdwpTagToShortyChar(arg_types[i])) { 36540920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 36550920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 36560920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 3657bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty[i + 1] == 'L') { 3658bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Did we really get an argument of an appropriate reference type? 3659bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Class* parameter_type = mh.GetClassFromTypeIdx(types->GetTypeItem(i).type_idx_); 3660bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Object* argument = gRegistry->Get<mirror::Object*>(arg_values[i]); 3661bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (argument == ObjectRegistry::kInvalidObject) { 3662bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return JDWP::ERR_INVALID_OBJECT; 3663bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 3664bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (argument != NULL && !argument->InstanceOf(parameter_type)) { 3665bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return JDWP::ERR_ILLEGAL_ARGUMENT; 3666bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 3667bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier 3668bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Turn the on-the-wire ObjectId into a jobject. 3669bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier jvalue& v = reinterpret_cast<jvalue&>(arg_values[i]); 3670bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier v.l = gRegistry->GetJObject(arg_values[i]); 3671bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 36720920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 3673bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Update in case it moved. 3674bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m = mh.GetMethod(); 367545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 367645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3677d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->receiver = receiver; 3678d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->thread = thread; 3679d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->klass = c; 3680d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->method = m; 3681d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_count = arg_count; 3682d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_values = arg_values; 3683d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->options = options; 3684d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->invoke_needed = true; 3685d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3686d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3687d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // The fact that we've released the thread list lock is a bit risky --- if the thread goes 3688d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // away we're sitting high and dry -- but we must release this before the ResumeAllThreads 3689d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // call, and it's unwise to hold it during WaitForSuspend. 3690d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3691d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3692d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3693d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We change our (JDWP thread) status, which should be THREAD_RUNNING, 369481ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * so we can suspend for a GC if the invoke request causes us to 3695d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * run out of memory. It's also a good idea to change it before locking 3696d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the invokeReq mutex, although that should never be held for long. 3697d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 369800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSend); 3699d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 37004dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Transferring control to event thread"; 3701d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3702d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz MutexLock mu(self, req->lock); 3703d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3704d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 37054dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming all threads"; 370600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->UndoDebuggerSuspensions(); 3707d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 37084dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread only"; 3709d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3710d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3711d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3712d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Wait for the request to finish executing. 3713d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz while (req->invoke_needed) { 3714d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->cond.Wait(self); 3715d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3716d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 37174dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Control has returned from event thread"; 3718d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3719d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* wait for thread to re-suspend itself */ 3720df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom SuspendThread(thread_id, false /* request_suspension */); 372100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 3722d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3723d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3724d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3725d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Suspend the threads. We waited for the target thread to suspend 3726d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * itself, so all we need to do is suspend the others. 3727d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3728d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * The suspendAllThreads() call will double-suspend the event thread, 3729d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * so we want to resume the target thread once to keep the books straight. 3730d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3731d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 373200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 37334dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Suspending all threads"; 373400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->SuspendAllForDebugger(); 373500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 37364dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread to balance the count"; 3737d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3738d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3739d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3740d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Copy the result. 3741d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pResultTag = req->result_tag; 3742d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (IsPrimitiveTag(req->result_tag)) { 3743f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = req->result_value.GetJ(); 3744d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 3745f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = gRegistry->Add(req->result_value.GetL()); 3746d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3747d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pExceptionId = req->exception; 3748d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return req->error; 3749872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3750872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3751872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ExecuteMethod(DebugInvokeReq* pReq) { 375200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 3753d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 375481ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes // We can be called while an exception is pending. We need 3755d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // to preserve that across the method invocation. 3756eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<4> hs(soa.Self()); 3757eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_this_object = hs.NewHandle<mirror::Object>(nullptr); 3758eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_method = hs.NewHandle<mirror::ArtMethod>(nullptr); 3759eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_exception = hs.NewHandle<mirror::Throwable>(nullptr); 376062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t old_throw_dex_pc; 37619f1020305292a21fd14a402b189c765a125226abSebastien Hertz bool old_exception_report_flag; 376262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers { 376362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation old_throw_location; 376462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* old_exception_obj = soa.Self()->GetException(&old_throw_location); 3765eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_this_object.Assign(old_throw_location.GetThis()); 3766eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_method.Assign(old_throw_location.GetMethod()); 3767eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_exception.Assign(old_exception_obj); 376862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc = old_throw_location.GetDexPc(); 37699f1020305292a21fd14a402b189c765a125226abSebastien Hertz old_exception_report_flag = soa.Self()->IsExceptionReportedToInstrumentation(); 377062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 377162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 3772d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3773d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Translate the method through the vtable, unless the debugger wants to suppress it. 3774eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtMethod> m(hs.NewHandle(pReq->method)); 3775d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz if ((pReq->options & JDWP::INVOKE_NONVIRTUAL) == 0 && pReq->receiver != NULL) { 3776eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier mirror::ArtMethod* actual_method = pReq->klass->FindVirtualMethodForVirtualOrInterface(m.Get()); 3777eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (actual_method != m.Get()) { 3778eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod translated " << PrettyMethod(m.Get()) << " to " << PrettyMethod(actual_method); 3779eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier m.Assign(actual_method); 378045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 3781d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3782eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod " << PrettyMethod(m.Get()) 3783d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " receiver=" << pReq->receiver 3784d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " arg_count=" << pReq->arg_count; 3785eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier CHECK(m.Get() != nullptr); 3786d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3787d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes CHECK_EQ(sizeof(jvalue), sizeof(uint64_t)); 3788d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3789eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier pReq->result_value = InvokeWithJValues(soa, pReq->receiver, soa.EncodeMethod(m.Get()), 379053b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers reinterpret_cast<jvalue*>(pReq->arg_values)); 3791d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 379262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 379362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 379462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers pReq->exception = gRegistry->Add(exception); 3795bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier pReq->result_tag = BasicTagFromDescriptor(m.Get()->GetShorty()); 3796d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (pReq->exception != 0) { 379762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers VLOG(jdwp) << " JDWP invocation returning with exception=" << exception 379862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << " " << exception->Dump(); 3799f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes pReq->result_value.SetJ(0); 3800d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else if (pReq->result_tag == JDWP::JT_OBJECT) { 3801d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* if no exception thrown, examine object result more closely */ 38029837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag new_tag = TagFromObject(soa, pReq->result_value.GetL()); 3803d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (new_tag != pReq->result_tag) { 38044dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " JDWP promoted result from " << pReq->result_tag << " to " << new_tag; 3805d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes pReq->result_tag = new_tag; 3806d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3807d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3808d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3809d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Register the object. We don't actually need an ObjectId yet, 3810d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * but we do need to be sure that the GC won't move or discard the 3811d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * object when we switch out of RUNNING. The ObjectId conversion 3812d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * will add the object to the "do not touch" list. 3813d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3814d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We can't use the "tracked allocation" mechanism here because 3815d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the object is going to be handed off to a different thread. 3816d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3817f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes gRegistry->Add(pReq->result_value.GetL()); 3818d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3819d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3820eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (old_exception.Get() != NULL) { 3821eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ThrowLocation gc_safe_throw_location(old_throw_this_object.Get(), old_throw_method.Get(), 382262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc); 3823eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier soa.Self()->SetException(gc_safe_throw_location, old_exception.Get()); 38249f1020305292a21fd14a402b189c765a125226abSebastien Hertz soa.Self()->SetExceptionReportedToInstrumentation(old_exception_report_flag); 3825d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3826872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3827872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3828d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes/* 38294b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes * "request" contains a full JDWP packet, possibly with multiple chunks. We 3830f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * need to process each, accumulate the replies, and ship the whole thing 3831f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * back. 3832f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3833f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Returns "true" if we have a reply. The reply buffer is newly allocated, 3834f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * and includes the chunk type/length, followed by the data. 3835f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 38363d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes * OLD-TODO: we currently assume that the request and reply include a single 3837f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * chunk. If this becomes inconvenient we will need to adapt. 3838f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 38394b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughesbool Dbg::DdmHandlePacket(JDWP::Request& request, uint8_t** pReplyBuf, int* pReplyLen) { 3840f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes Thread* self = Thread::Current(); 3841f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes JNIEnv* env = self->GetJniEnv(); 3842f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 38434b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t type = request.ReadUnsigned32("type"); 38444b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t length = request.ReadUnsigned32("length"); 38454b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 38464b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes // Create a byte[] corresponding to 'request'. 38474b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes size_t request_length = request.size(); 38484b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes ScopedLocalRef<jbyteArray> dataArray(env, env->NewByteArray(request_length)); 38496a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (dataArray.get() == NULL) { 38504b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes LOG(WARNING) << "byte[] allocation failed: " << request_length; 3851f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3852f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3853f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 38544b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes env->SetByteArrayRegion(dataArray.get(), 0, request_length, reinterpret_cast<const jbyte*>(request.data())); 38554b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes request.Skip(request_length); 3856f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3857f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Run through and find all chunks. [Currently just find the first.] 38586a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ScopedByteArrayRO contents(env, dataArray.get()); 38594b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (length != request_length) { 3860ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers LOG(WARNING) << StringPrintf("bad chunk found (len=%u pktLen=%zd)", length, request_length); 3861f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3862f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3863f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3864f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Call "private static Chunk dispatch(int type, byte[] data, int offset, int length)". 3865eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jobject> chunk(env, env->CallStaticObjectMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3866eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch, 38674b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes type, dataArray.get(), 0, length)); 3868f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (env->ExceptionCheck()) { 3869f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(INFO) << StringPrintf("Exception thrown by dispatcher for 0x%08x", type); 3870f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionDescribe(); 3871f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3872f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3873f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3874f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 38756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (chunk.get() == NULL) { 3876f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3877f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3878f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3879f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes /* 3880f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Pull the pieces out of the chunk. We copy the results into a 3881f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * newly-allocated buffer that the caller can free. We don't want to 3882f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * continue using the Chunk object because nothing has a reference to it. 3883f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3884f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * We could avoid this by returning type/data/offset/length and having 3885f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * the caller be aware of the object lifetime issues, but that 388681ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * integrates the JDWP code more tightly into the rest of the runtime, and doesn't work 3887f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * if we have responses for multiple chunks. 3888f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3889f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * So we're pretty much stuck with copying data around multiple times. 3890f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 3891eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jbyteArray> replyData(env, reinterpret_cast<jbyteArray>(env->GetObjectField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data))); 38924b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes jint offset = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset); 3893eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes length = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length); 3894eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes type = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type); 3895f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 38964dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << StringPrintf("DDM reply: type=0x%08x data=%p offset=%d length=%d", type, replyData.get(), offset, length); 38976a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (length == 0 || replyData.get() == NULL) { 3898f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3899f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3900f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 39014b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes const int kChunkHdrLen = 8; 3902f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes uint8_t* reply = new uint8_t[length + kChunkHdrLen]; 3903f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (reply == NULL) { 3904f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(WARNING) << "malloc failed: " << (length + kChunkHdrLen); 3905f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3906f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3907f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 0, type); 3908f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 4, length); 39096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes env->GetByteArrayRegion(replyData.get(), offset, length, reinterpret_cast<jbyte*>(reply + kChunkHdrLen)); 3910f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3911f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyBuf = reply; 3912f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyLen = length + kChunkHdrLen; 3913f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 39144b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes VLOG(jdwp) << StringPrintf("dvmHandleDdm returning type=%.4s %p len=%d", reinterpret_cast<char*>(reply), reply, length); 3915f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return true; 3916872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3917872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3918a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::DdmBroadcast(bool connect) { 39194dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Broadcasting DDM " << (connect ? "connect" : "disconnect") << "..."; 392047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 392147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes Thread* self = Thread::Current(); 392250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->GetState() != kRunnable) { 392350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers LOG(ERROR) << "DDM broadcast in thread state " << self->GetState(); 392450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers /* try anyway? */ 392547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 392647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 392747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes JNIEnv* env = self->GetJniEnv(); 392847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes jint event = connect ? 1 /*DdmServer.CONNECTED*/ : 2 /*DdmServer.DISCONNECTED*/; 3929eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes env->CallStaticVoidMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3930eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast, 3931eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes event); 393247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (env->ExceptionCheck()) { 393347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes LOG(ERROR) << "DdmServer.broadcast " << event << " failed"; 393447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionDescribe(); 393547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionClear(); 393647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 393747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 393847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3939872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmConnected() { 3940a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(true); 3941872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3942872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3943872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmDisconnected() { 3944a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(false); 394547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = false; 394647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 394747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 394847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes/* 39498218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes * Send a notification when a thread starts, stops, or changes its name. 395047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * 395147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * Because we broadcast the full set of threads when the notifications are 395247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * first enabled, it's possible for "thread" to be actively executing. 395347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes */ 39548218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendThreadNotification(Thread* t, uint32_t type) { 395547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (!gDdmThreadNotification) { 395647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes return; 395747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 395847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 39598218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes if (type == CHUNK_TYPE("THDE")) { 39608218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes uint8_t buf[4]; 3961d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Set4BE(&buf[0], t->GetThreadId()); 39628218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("THDE"), 4, buf); 39638218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes } else { 39648218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes CHECK(type == CHUNK_TYPE("THCR") || type == CHUNK_TYPE("THNM")) << type; 396500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 3966eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 3967eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::String> name(hs.NewHandle(t->GetThreadName(soa))); 3968eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier size_t char_count = (name.Get() != NULL) ? name->GetLength() : 0; 3969eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier const jchar* chars = (name.Get() != NULL) ? name->GetCharArray()->GetData() : NULL; 397047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 397121f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3972d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Append4BE(bytes, t->GetThreadId()); 3973545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::AppendUtf16BE(bytes, chars, char_count); 397421f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), char_count*2 + sizeof(uint32_t)*2); 397521f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(type, bytes); 397647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 397747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 397847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 397947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::DdmSetThreadNotification(bool enable) { 398000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Enable/disable thread notifications. 398147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = enable; 398247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (enable) { 398300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend the VM then post thread start notifications for all threads. Threads attaching will 398400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // see a suspension in progress and block until that ends. They then post their own start 398500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // notification. 398600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers SuspendVM(); 398700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::list<Thread*> threads; 398850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 398900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 399050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, *Locks::thread_list_lock_); 399100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers threads = Runtime::Current()->GetThreadList()->GetList(); 399200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 399300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 399450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 399502e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (Thread* thread : threads) { 399602e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier Dbg::DdmSendThreadNotification(thread, CHUNK_TYPE("THCR")); 399700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 399800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 399900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ResumeVM(); 400047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 400147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 400247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 4003a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::PostThreadStartOrStop(Thread* t, uint32_t type) { 4004c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (IsDebuggerActive()) { 4005d539167b7f11136fe570a77aff2ee4935842007aSebastien Hertz gJdwpState->PostThreadChange(t, type == CHUNK_TYPE("THCR")); 400647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 40078218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendThreadNotification(t, type); 400847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 400947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 401047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadStart(Thread* t) { 4011a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THCR")); 401247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 401347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 401447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadDeath(Thread* t) { 4015a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THDE")); 4016872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 4017872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 40188218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, size_t byte_count, const uint8_t* buf) { 40193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(buf != NULL); 40203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes iovec vec[1]; 40213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_base = reinterpret_cast<void*>(const_cast<uint8_t*>(buf)); 40223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_len = byte_count; 40233bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Dbg::DdmSendChunkV(type, vec, 1); 4024872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 4025872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 402621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, const std::vector<uint8_t>& bytes) { 402721f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes DdmSendChunk(type, bytes.size(), &bytes[0]); 402821f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes} 402921f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes 4030f52935278fca8c7aa220543eef4544e3d1105d91Brian Carlstromvoid Dbg::DdmSendChunkV(uint32_t type, const iovec* iov, int iov_count) { 40313bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (gJdwpState == NULL) { 40324dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Debugger thread not active, ignoring DDM send: " << type; 40333bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4034cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes gJdwpState->DdmSendChunkV(type, iov, iov_count); 40353bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4036872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 4037872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 4038767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesint Dbg::DdmHandleHpifChunk(HpifWhen when) { 4039767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when == HPIF_WHEN_NOW) { 40407162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(when); 4041767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 4042767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4043767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4044767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPIF_WHEN_NEVER && when != HPIF_WHEN_NEXT_GC && when != HPIF_WHEN_EVERY_GC) { 4045767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpifWhen value: " << static_cast<int>(when); 4046767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 4047767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4048767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4049767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpifWhen = when; 4050767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 4051767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4052767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4053767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesbool Dbg::DdmHandleHpsgNhsgChunk(Dbg::HpsgWhen when, Dbg::HpsgWhat what, bool native) { 4054767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPSG_WHEN_NEVER && when != HPSG_WHEN_EVERY_GC) { 4055767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhen value: " << static_cast<int>(when); 4056767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 4057767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4058767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4059767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (what != HPSG_WHAT_MERGED_OBJECTS && what != HPSG_WHAT_DISTINCT_OBJECTS) { 4060767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhat value: " << static_cast<int>(what); 4061767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 4062767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4063767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4064767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (native) { 4065767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhen = when; 4066767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhat = what; 4067767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } else { 4068767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhen = when; 4069767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhat = what; 4070767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 4071767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 4072767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4073767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 40747162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughesvoid Dbg::DdmSendHeapInfo(HpifWhen reason) { 40757162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes // If there's a one-shot 'when', reset it. 40767162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (reason == gDdmHpifWhen) { 40777162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (gDdmHpifWhen == HPIF_WHEN_NEXT_GC) { 40787162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes gDdmHpifWhen = HPIF_WHEN_NEVER; 40797162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 40807162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 40817162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes 40827162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes /* 40837162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Chunk HPIF (client --> server) 40847162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 40857162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Heap Info. General information about the heap, 40867162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * suitable for a summary display. 40877162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 40887162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: number of heaps 40897162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 40907162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * For each heap: 40917162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: heap ID 40927162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u8]: timestamp in ms since Unix epoch 40937162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u1]: capture reason (same as 'when' value from server) 40947162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: max heap size in bytes (-Xmx) 40957162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current heap size in bytes 40967162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of bytes allocated 40977162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of objects allocated 40987162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes */ 40997162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes uint8_t heap_count = 1; 41001d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 410121f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 4102545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append4BE(bytes, heap_count); 41037934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 1); // Heap id (bogus; we only have one heap). 4104545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append8BE(bytes, MilliTime()); 4105545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append1BE(bytes, reason); 41067934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetMaxMemory()); // Max allowed heap size in bytes. 41077934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetTotalMemory()); // Current heap size in bytes. 4108b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetBytesAllocated()); 4109b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetObjectsAllocated()); 411021f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), 4U + (heap_count * (4 + 8 + 1 + 4 + 4 + 4 + 4))); 411121f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("HPIF"), bytes); 4112767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4113767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 41146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgSolidity { 41156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FREE = 0, 41166a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_HARD = 1, 41176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SOFT = 2, 41186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_WEAK = 3, 41196a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_PHANTOM = 4, 41206a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FINALIZABLE = 5, 41216a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SWEEP = 6, 41226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 41236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41246a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgKind { 41256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_OBJECT = 0, 41266a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_CLASS_OBJECT = 1, 41276a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_1 = 2, 41286a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_2 = 3, 41296a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_4 = 4, 41306a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_8 = 5, 41316a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_UNKNOWN = 6, 41326a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_NATIVE = 7, 41336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 41346a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41356a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_PARTIAL (1<<7) 41366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_STATE(solidity, kind) ((uint8_t)((((kind) & 0x7) << 3) | ((solidity) & 0x7))) 41376a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 413830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogersclass HeapChunkContext { 413930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers public: 41406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Maximum chunk size. Obtain this from the formula: 41416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // (((maximum_heap_size / ALLOCATION_UNIT_SIZE) + 255) / 256) * 2 41426a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes HeapChunkContext(bool merge, bool native) 414330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers : buf_(16384 - 16), 414430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_(0), 414536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier merge_(merge), 414636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier chunk_overhead_(0) { 41476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 41486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (native) { 414930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = CHUNK_TYPE("NHSG"); 41506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 415130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = merge ? CHUNK_TYPE("HPSG") : CHUNK_TYPE("HPSO"); 41526a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41536a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41546a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41556a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ~HeapChunkContext() { 415630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (p_ > &buf_[0]) { 41576a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Flush(); 41586a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41596a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41606a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 416136dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier void SetChunkOverhead(size_t chunk_overhead) { 416236dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier chunk_overhead_ = chunk_overhead; 416336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } 416436dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier 416536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier void ResetStartOfNextChunk() { 416636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier startOfNextMemoryChunk_ = nullptr; 416736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } 416836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier 41696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void EnsureHeader(const void* chunk_ptr) { 417030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (!needHeader_) { 41716a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 41726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41736a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41746a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Start a new HPSx chunk. 41757934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 1); // Heap id (bogus; we only have one heap). 41767934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write1BE(&p_, 8); // Size of allocation unit, in bytes. 41776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41787934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, reinterpret_cast<uintptr_t>(chunk_ptr)); // virtual address of segment start. 41797934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 0); // offset of this piece (relative to the virtual address). 41806a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // [u4]: length of piece, in allocation units 41816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // We won't know this until we're done, so save the offset and stuff in a dummy value. 418230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = p_; 418330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Write4BE(&p_, 0x55555555); 418430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = false; 41856a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41866a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4187b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers void Flush() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4188d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers if (pieceLenField_ == NULL) { 4189d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers // Flush immediately post Reset (maybe back-to-back Flush). Ignore. 4190d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers CHECK(needHeader_); 4191d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers return; 4192d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers } 41936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Patch the "length of piece" field. 419430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(&buf_[0], pieceLenField_); 419530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(pieceLenField_, p_); 419630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Set4BE(pieceLenField_, totalAllocationUnits_); 41976a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 419830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers Dbg::DdmSendChunk(type_, p_ - &buf_[0], &buf_[0]); 41996a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 42006a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 42016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 420200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers static void HeapChunkCallback(void* start, void* end, size_t used_bytes, void* arg) 4203b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 4204b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 420530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers reinterpret_cast<HeapChunkContext*>(arg)->HeapChunkCallback(start, end, used_bytes); 4206a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 4207a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 42086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes private: 4209a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes enum { ALLOCATION_UNIT_SIZE = 8 }; 4210a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 42116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void Reset() { 421230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers p_ = &buf_[0]; 421336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier ResetStartOfNextChunk(); 421430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers totalAllocationUnits_ = 0; 421530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = true; 421630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = NULL; 42176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 42186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 421900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void HeapChunkCallback(void* start, void* /*end*/, size_t used_bytes) 4220b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 4221b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 422230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // Note: heap call backs cannot manipulate the heap upon which they are crawling, care is taken 422330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // in the following code not to allocate memory, by ensuring buf_ is of the correct size 422415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (used_bytes == 0) { 422515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start == NULL) { 422615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Reset for start of new heap. 422715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 422815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 422915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 423015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Only process in use memory so that free region information 423115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // also includes dlmalloc book keeping. 4232a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 4233a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 42346a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 423515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers /* If we're looking at the native heap, we'll just return 423615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers * (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks 423715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers */ 423815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool native = type_ == CHUNK_TYPE("NHSG"); 423915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 424036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // TODO: I'm not sure using start of next chunk works well with multiple spaces. We shouldn't 424136dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // count gaps inbetween spaces as free memory. 424215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (startOfNextMemoryChunk_ != NULL) { 424315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Transmit any pending free memory. Native free memory of 424415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // over kMaxFreeLen could be because of the use of mmaps, so 424515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // don't report. If not free memory then start a new segment. 424615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool flush = true; 424715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start > startOfNextMemoryChunk_) { 424815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t kMaxFreeLen = 2 * kPageSize; 424915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeStart = startOfNextMemoryChunk_; 425015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeEnd = start; 42512d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom size_t freeLen = reinterpret_cast<char*>(freeEnd) - reinterpret_cast<char*>(freeStart); 425215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (!native || freeLen < kMaxFreeLen) { 425315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(HPSG_STATE(SOLIDITY_FREE, 0), freeStart, freeLen); 425415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers flush = false; 425515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 425615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 425715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (flush) { 425815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 425915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 426015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 426115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 4262ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* obj = reinterpret_cast<mirror::Object*>(start); 4263a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 4264a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Determine the type of this chunk. 4265a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // OLD-TODO: if context.merge, see if this chunk is different from the last chunk. 4266a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If it's the same, we should combine them. 426715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers uint8_t state = ExamineObject(obj, native); 426836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier AppendChunk(state, start, used_bytes + chunk_overhead_); 426936dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier startOfNextMemoryChunk_ = reinterpret_cast<char*>(start) + used_bytes + chunk_overhead_; 427015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 427115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 427215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void AppendChunk(uint8_t state, void* ptr, size_t length) 4273b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 427415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Make sure there's enough room left in the buffer. 427515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // We need to use two bytes for every fractional 256 allocation units used by the chunk plus 427615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // 17 bytes for any header. 427715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t needed = (((length/ALLOCATION_UNIT_SIZE + 255) / 256) * 2) + 17; 427815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 427915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 428015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 428115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 4282a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 428315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 428415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 428515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(WARNING) << "Chunk is too big to transmit (chunk_len=" << length << ", " 428615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers << needed << " bytes)"; 428715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return; 428815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 428915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers EnsureHeader(ptr); 4290a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Write out the chunk description. 429115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length /= ALLOCATION_UNIT_SIZE; // Convert to allocation units. 429215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers totalAllocationUnits_ += length; 429315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers while (length > 256) { 429430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state | HPSG_PARTIAL; 429530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = 255; // length - 1 429615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length -= 256; 4297a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 429830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state; 429915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers *p_++ = length - 1; 43006a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4302ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint8_t ExamineObject(mirror::Object* o, bool is_native_heap) 4303ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::heap_bitmap_lock_) { 4304a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o == NULL) { 4305a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_FREE, 0); 4306a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4308a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // It's an allocated chunk. Figure out what it is. 43096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4310a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If we're looking at the native heap, we'll just return 4311a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks. 431200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (is_native_heap) { 4313a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 43146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 43165bfa60ffcc953340feb711ed05cf576ac821905eIan Rogers if (!Runtime::Current()->GetHeap()->IsLiveObjectLocked(o)) { 431715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 431800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 431900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 43202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = o->GetClass(); 4321a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c == NULL) { 4322a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // The object was probably just created but hasn't been initialized yet. 4323a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 4324a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4326590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(c)) { 432715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(ERROR) << "Invalid class for managed heap object: " << o << " " << c; 4328a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_UNKNOWN); 4329a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43306a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4331a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsClassClass()) { 4332a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_CLASS_OBJECT); 43336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43346a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4335a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 4336a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o->IsObjectArray()) { 4337a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 4338a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 4339a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes switch (c->GetComponentSize()) { 4340a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 1: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_1); 4341a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 2: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_2); 4342a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 4: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 4343a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 8: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_8); 4344a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 43456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4347a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 43486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43496a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 435030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers std::vector<uint8_t> buf_; 435130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* p_; 435230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* pieceLenField_; 435315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* startOfNextMemoryChunk_; 435430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers size_t totalAllocationUnits_; 435530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint32_t type_; 435630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool merge_; 435730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool needHeader_; 435836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier size_t chunk_overhead_; 435930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers 4360a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes DISALLOW_COPY_AND_ASSIGN(HeapChunkContext); 4361a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes}; 43626a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 436336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartierstatic void BumpPointerSpaceCallback(mirror::Object* obj, void* arg) 436436dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) EXCLUSIVE_LOCKS_REQUIRED(Locks::heap_bitmap_lock_) { 436536dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier const size_t size = RoundUp(obj->SizeOf(), kObjectAlignment); 436636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier HeapChunkContext::HeapChunkCallback( 436736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier obj, reinterpret_cast<void*>(reinterpret_cast<uintptr_t>(obj) + size), size, arg); 436836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier} 436936dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier 43706a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesvoid Dbg::DdmSendHeapSegments(bool native) { 43716a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhen when; 43726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhat what; 43736a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (!native) { 43746a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmHpsgWhen; 43756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmHpsgWhat; 43766a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 43776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmNhsgWhen; 43786a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmNhsgWhat; 43796a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43806a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (when == HPSG_WHEN_NEVER) { 43816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 43826a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 43836a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 43846a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Figure out what kind of chunks we'll be sending. 43856a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes CHECK(what == HPSG_WHAT_MERGED_OBJECTS || what == HPSG_WHAT_DISTINCT_OBJECTS) << static_cast<int>(what); 43866a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 43876a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // First, send a heap start chunk. 43886a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes uint8_t heap_id[4]; 43897934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Set4BE(&heap_id[0], 1); // Heap id (bogus; we only have one heap). 43906a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHST") : CHUNK_TYPE("HPST"), sizeof(heap_id), heap_id); 43916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4392cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Thread* self = Thread::Current(); 4393cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 4394cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 4395cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 43966a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Send a series of heap segment chunks. 4397a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes HeapChunkContext context((what == HPSG_WHAT_MERGED_OBJECTS), native); 4398a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (native) { 4399c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#ifdef USE_DLMALLOC 44001d54e73444e017d3a65234e0f193846f3e27472bIan Rogers dlmalloc_inspect_all(HeapChunkContext::HeapChunkCallback, &context); 4401c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#else 4402c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris UNIMPLEMENTED(WARNING) << "Native heap inspection is only supported with dlmalloc"; 4403c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#endif 4404a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 44051d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 440636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier for (const auto& space : heap->GetContinuousSpaces()) { 440736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier if (space->IsDlMallocSpace()) { 4408d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 440936dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // dlmalloc's chunk header is 2 * sizeof(size_t), but if the previous chunk is in use for an 441036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier // allocation then the first sizeof(size_t) may belong to it. 441136dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(sizeof(size_t)); 441236dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier space->AsDlMallocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 441336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } else if (space->IsRosAllocSpace()) { 441436dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(0); 4415d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier // Need to acquire the mutator lock before the heap bitmap lock with exclusive access since 4416d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier // RosAlloc's internal logic doesn't know to release and reacquire the heap bitmap lock. 4417d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier self->TransitionFromRunnableToSuspended(kSuspended); 4418d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ThreadList* tl = Runtime::Current()->GetThreadList(); 4419d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier tl->SuspendAll(); 4420d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier { 4421d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 4422d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier space->AsRosAllocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4423d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier } 4424d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier tl->ResumeAll(); 4425d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier self->TransitionFromSuspendedToRunnable(); 442636dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } else if (space->IsBumpPointerSpace()) { 4427d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 442836dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(0); 442936dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier space->AsBumpPointerSpace()->Walk(BumpPointerSpaceCallback, &context); 443036dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier } else { 443136dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier UNIMPLEMENTED(WARNING) << "Not counting objects in space " << *space; 4432b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 443336dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.ResetStartOfNextChunk(); 4434b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 4435d6527cf8e824d9057f32755f2ff4bdcf46c7095bMathieu Chartier ReaderMutexLock mu(self, *Locks::heap_bitmap_lock_); 4436e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier // Walk the large objects, these are not in the AllocSpace. 443736dab3607e77505ce139eacef1c62a1c4bc4affdMathieu Chartier context.SetChunkOverhead(0); 4438e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier heap->GetLargeObjectsSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4439a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 44406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 44416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Finally, send a heap end chunk. 44426a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHEN") : CHUNK_TYPE("HPEN"), sizeof(heap_id), heap_id); 4443767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4444767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4445b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughesstatic size_t GetAllocTrackerMax() { 4446b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#ifdef HAVE_ANDROID_OS 4447b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes // Check whether there's a system property overriding the number of records. 4448b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes const char* propertyName = "dalvik.vm.allocTrackerMax"; 4449b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char allocRecordMaxString[PROPERTY_VALUE_MAX]; 4450b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (property_get(propertyName, allocRecordMaxString, "") > 0) { 4451b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char* end; 4452b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes size_t value = strtoul(allocRecordMaxString, &end, 10); 4453b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (*end != '\0') { 44543e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 44553e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- invalid"; 4456b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4457b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4458b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (!IsPowerOfTwo(value)) { 44593e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 44603e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- not power of two"; 4461b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4462b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4463b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return value; 4464b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4465b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#endif 4466b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4467b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes} 4468b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes 4469f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstromvoid Dbg::SetAllocTrackingEnabled(bool enable) { 4470f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom Thread* self = Thread::Current(); 4471f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom if (enable) { 4472b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4473f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 4474f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom if (recent_allocation_records_ != NULL) { 4475f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom return; // Already enabled, bail. 4476b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4477f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom alloc_record_max_ = GetAllocTrackerMax(); 4478f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom LOG(INFO) << "Enabling alloc tracker (" << alloc_record_max_ << " entries of " 4479f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom << kMaxAllocRecordStackDepth << " frames, taking " 4480f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom << PrettySize(sizeof(AllocRecord) * alloc_record_max_) << ")"; 4481f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom DCHECK_EQ(alloc_record_head_, 0U); 4482f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom DCHECK_EQ(alloc_record_count_, 0U); 4483f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom recent_allocation_records_ = new AllocRecord[alloc_record_max_]; 4484f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom CHECK(recent_allocation_records_ != NULL); 4485545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4486a98ffd745bbecb2e84a492194950c0b94966546bMathieu Chartier Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints(); 4487545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } else { 4488b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4489f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom ScopedObjectAccess soa(self); // For type_cache_.Clear(); 4490f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 4491f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom if (recent_allocation_records_ == NULL) { 4492f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom return; // Already disabled, bail. 4493f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom } 44944345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier LOG(INFO) << "Disabling alloc tracker"; 4495b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz delete[] recent_allocation_records_; 4496b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = NULL; 4497f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom alloc_record_head_ = 0; 4498f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom alloc_record_count_ = 0; 44994345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier type_cache_.Clear(); 4500b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4501f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom // If an allocation comes in before we uninstrument, we will safely drop it on the floor. 4502a98ffd745bbecb2e84a492194950c0b94966546bMathieu Chartier Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints(); 4503545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4504545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4505545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 45060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct AllocRecordStackVisitor : public StackVisitor { 45077a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor(Thread* thread, AllocRecord* record) 4508b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 45097a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), record(record), depth(0) {} 4510545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 451100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 451200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 451300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 4514545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (depth >= kMaxAllocRecordStackDepth) { 4515530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 4516545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4517ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 45180399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 4519b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetMethod(m); 4520b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetDexPc(GetDexPc()); 4521530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes ++depth; 4522545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4523530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 4524545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4525545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4526545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ~AllocRecordStackVisitor() { 4527545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Clear out any unused stack trace elements. 4528545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (; depth < kMaxAllocRecordStackDepth; ++depth) { 4529b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetMethod(nullptr); 4530b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetDexPc(0); 4531545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4532545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4533545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4534545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record; 4535545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth; 4536545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4537545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 45382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::RecordAllocation(mirror::Class* type, size_t byte_count) { 4539545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes Thread* self = Thread::Current(); 4540545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes CHECK(self != NULL); 4541545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4542f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 4543545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4544f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom // In the process of shutting down recording, bail. 4545545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4546545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4547545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4548545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Advance and clip. 4549719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (++alloc_record_head_ == alloc_record_max_) { 4550719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_record_head_ = 0; 4551545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4552545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4553545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the basics. 4554719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[alloc_record_head_]; 4555b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetType(type); 4556b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetByteCount(byte_count); 4557b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetThinLockId(self->GetThreadId()); 4558545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4559545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the stack trace. 45607a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor visitor(self, record); 45610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 4562545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4563719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (alloc_record_count_ < alloc_record_max_) { 4564719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers ++alloc_record_count_; 4565545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4566545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4567545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4568a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// Returns the index of the head element. 4569a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4570f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom// We point at the most-recently-written record, so if alloc_record_count_ is 1 4571a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// we want to use the current element. Take "head+1" and subtract count 4572a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// from it. 4573a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4574a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We need to handle underflow in our circular buffer, so we add 4575f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom// alloc_record_max_ and then mask it back down. 4576719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::HeadIndex() { 4577719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers return (Dbg::alloc_record_head_ + 1 + Dbg::alloc_record_max_ - Dbg::alloc_record_count_) & 4578719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers (Dbg::alloc_record_max_ - 1); 4579545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4580545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4581545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::DumpRecentAllocations() { 458200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 4583f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(soa.Self(), *Locks::alloc_tracker_lock_); 4584545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4585545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << "Not recording tracked allocations"; 4586545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4587545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4588545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4589545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // "i" is the head of the list. We want to start at the end of the 4590545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // list and move forward to the tail. 4591a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t i = HeadIndex(); 4592f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom const uint16_t capped_count = CappedAllocRecordCount(Dbg::alloc_record_count_); 4593f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom uint16_t count = capped_count; 4594545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4595719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "Tracked allocations, (head=" << alloc_record_head_ << " count=" << count << ")"; 4596545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (count--) { 4597545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record = &recent_allocation_records_[i]; 4598545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4599b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi LOG(INFO) << StringPrintf(" Thread %-2d %6zd bytes ", record->ThinLockId(), record->ByteCount()) 4600b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi << PrettyClass(record->Type()); 4601545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4602545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 4603b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement* stack_element = record->StackElement(stack_frame); 4604b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = stack_element->Method(); 4605545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (m == NULL) { 4606545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes break; 4607545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4608b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi LOG(INFO) << " " << PrettyMethod(m) << " line " << stack_element->LineNumber(); 4609545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4610545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4611545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // pause periodically to help logcat catch up 4612545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if ((count % 5) == 0) { 4613545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes usleep(40000); 4614545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4615545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4616719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4617545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4618545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4619545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4620545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesclass StringTable { 4621545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes public: 4622545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes StringTable() { 4623545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4624545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 46254345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier void Add(const std::string& str) { 46264345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier table_.insert(str); 46274345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 46284345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier 46294345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier void Add(const char* str) { 46304345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier table_.insert(str); 4631545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4632545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4633a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t IndexOf(const char* s) const { 463402e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier auto it = table_.find(s); 4635a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes if (it == table_.end()) { 4636a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(FATAL) << "IndexOf(\"" << s << "\") failed"; 4637a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes } 4638a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes return std::distance(table_.begin(), it); 4639545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4640545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4641a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t Size() const { 4642545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return table_.size(); 4643545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4644545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4645a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes void WriteTo(std::vector<uint8_t>& bytes) const { 464602e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::string& str : table_) { 464702e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const char* s = str.c_str(); 46486d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers size_t s_len = CountModifiedUtf8Chars(s); 4649700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<uint16_t> s_utf16(new uint16_t[s_len]); 46506d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ConvertModifiedUtf8ToUtf16(s_utf16.get(), s); 46516d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::AppendUtf16BE(bytes, s_utf16.get(), s_len); 4652545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4653545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4654545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4655545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes private: 4656a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes std::set<std::string> table_; 4657545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DISALLOW_COPY_AND_ASSIGN(StringTable); 4658545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4659545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4660bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartierstatic const char* GetMethodSourceFile(mirror::ArtMethod* method) 4661280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4662bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DCHECK(method != nullptr); 4663bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* source_file = method->GetDeclaringClassSourceFile(); 4664280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz return (source_file != nullptr) ? source_file : ""; 4665280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz} 4666280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz 4667545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes/* 4668545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The data we send to DDMS contains everything we have recorded. 4669545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4670545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * Message header (all values big-endian): 4671545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) message header len (to allow future expansion); includes itself 4672545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) entry header len 4673545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack frame len 4674545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of entries 4675545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) offset to string table from start of message 4676545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of class name strings 4677545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of method name strings 4678545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of source file name strings 4679545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each entry: 4680545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) total allocation size 4681221229cb523f849f165fdafbf9785010963715daElliott Hughes * (2b) thread id 4682545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) allocated object's class name index 4683545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack depth 4684545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each stack frame: 4685545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method's class name 4686545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method name 4687545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method source file 4688545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) line number, clipped to 32767; -2 if native; -1 if no source 4689545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) class name strings 4690545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) method name strings 4691545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) source file strings 4692545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4693545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * As with other DDM traffic, strings are sent as a 4-byte length 4694545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * followed by UTF-16 data. 4695545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4696545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We send up 16-bit unsigned indexes into string tables. In theory there 4697f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom * can be (kMaxAllocRecordStackDepth * alloc_record_max_) unique strings in 4698545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * each table, but in practice there should be far fewer. 4699545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4700545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The chief reason for using a string table here is to keep the size of 4701545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * the DDMS message to a minimum. This is partly to make the protocol 4702545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * efficient, but also because we have to form the whole thing up all at 4703545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * once in a memory buffer. 4704545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4705545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We use separate string tables for class names, method names, and source 4706545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * files to keep the indexes small. There will generally be no overlap 4707545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * between the contents of these tables. 4708545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes */ 4709545a064aca775ba801790fced3d713d8a87bfc61Elliott HughesjbyteArray Dbg::GetRecentAllocations() { 4710545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (false) { 4711545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DumpRecentAllocations(); 4712545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4713545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 471450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 471546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier std::vector<uint8_t> bytes; 471646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier { 4717f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom MutexLock mu(self, *Locks::alloc_tracker_lock_); 471846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 471946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 1: generate string tables. 472046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 472146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable class_names; 472246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable method_names; 472346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable filenames; 472446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4725f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom const uint16_t capped_count = CappedAllocRecordCount(Dbg::alloc_record_count_); 4726f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom uint16_t count = capped_count; 4727f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom size_t idx = HeadIndex(); 472846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 472946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 4730cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 4731cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers class_names.Add(record->Type()->GetDescriptor(&temp)); 473246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t i = 0; i < kMaxAllocRecordStackDepth; i++) { 4733b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = record->StackElement(i)->Method(); 473446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier if (m != NULL) { 4735bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier class_names.Add(m->GetDeclaringClassDescriptor()); 4736bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier method_names.Add(m->GetName()); 4737bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier filenames.Add(GetMethodSourceFile(m)); 473846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 473946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 4740545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4741719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 474246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 474346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4744f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom LOG(INFO) << "allocation records: " << capped_count; 474546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 474646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 474746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 2: Generate the output and store it in the buffer. 474846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 474946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 475046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) message header len (to allow future expansion); includes itself 475146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) entry header len 475246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack frame len 475346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kMessageHeaderLen = 15; 475446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kEntryHeaderLen = 9; 475546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kStackFrameLen = 8; 475646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kMessageHeaderLen); 475746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kEntryHeaderLen); 475846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kStackFrameLen); 475946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 476046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of entries 476146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) offset to string table from start of message 476246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of class name strings 476346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of method name strings 476446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of source file name strings 4765f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom JDWP::Append2BE(bytes, capped_count); 476646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t string_table_offset = bytes.size(); 47677934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 0); // We'll patch this later... 476846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_names.Size()); 476946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_names.Size()); 477046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, filenames.Size()); 477146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 477246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier idx = HeadIndex(); 4773cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 4774f4cb036808b88fe60d71a705b2744284155cbc01Brian Carlstrom for (count = capped_count; count != 0; --count) { 477546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each entry: 477646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) total allocation size 477746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) thread id 477846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) allocated object's class name index 477946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack depth 478046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 478146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t stack_depth = record->GetDepth(); 4782f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t allocated_object_class_name_index = 4783cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers class_names.IndexOf(record->Type()->GetDescriptor(&temp)); 4784b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append4BE(bytes, record->ByteCount()); 4785b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append2BE(bytes, record->ThinLockId()); 478646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, allocated_object_class_name_index); 478746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, stack_depth); 478846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 478946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t stack_frame = 0; stack_frame < stack_depth; ++stack_frame) { 479046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each stack frame: 479146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method's class name 479246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method name 479346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method source file 479446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) line number, clipped to 32767; -2 if native; -1 if no source 4795b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = record->StackElement(stack_frame)->Method(); 4796bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t class_name_index = class_names.IndexOf(m->GetDeclaringClassDescriptor()); 4797bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t method_name_index = method_names.IndexOf(m->GetName()); 4798bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t file_name_index = filenames.IndexOf(GetMethodSourceFile(m)); 479946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_name_index); 480046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_name_index); 480146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, file_name_index); 4802b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append2BE(bytes, record->StackElement(stack_frame)->LineNumber()); 4803545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4804719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 4805545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4806545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 480746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) class name strings 480846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) method name strings 480946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) source file strings 481046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Set4BE(&bytes[string_table_offset], bytes.size()); 481146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.WriteTo(bytes); 481246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.WriteTo(bytes); 481346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier filenames.WriteTo(bytes); 4814545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 481550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers JNIEnv* env = self->GetJniEnv(); 4816545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes jbyteArray result = env->NewByteArray(bytes.size()); 4817545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (result != NULL) { 4818545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes env->SetByteArrayRegion(result, 0, bytes.size(), reinterpret_cast<const jbyte*>(&bytes[0])); 4819545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4820545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return result; 4821545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4822545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 48230ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchimirror::ArtMethod* DeoptimizationRequest::Method() const { 48240ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 48250ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return soa.DecodeMethod(method_); 48260ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi} 48270ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 48280ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchivoid DeoptimizationRequest::SetMethod(mirror::ArtMethod* m) { 48290ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 48300ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi method_ = soa.EncodeMethod(m); 48310ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi} 48320ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 4833872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace art 4834