debugger.cc revision c901dd7bdc80b953d04100ef2f54b8d1ca5f466b
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. 647934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstromstatic const size_t kDefaultNumAllocRecords = 64*1024; // Must be a power of 2. 65475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 66b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchiclass AllocRecordStackTraceElement { 67b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi public: 68b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement() : method_(nullptr), dex_pc_(0) { 69b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 70545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 71b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi int32_t LineNumber() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 72b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* method = Method(); 73b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi DCHECK(method != nullptr); 74b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return method->GetLineNumFromDexPC(DexPc()); 75412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 76412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 77b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* Method() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 784345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 794345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return soa.DecodeMethod(method_); 80545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 81b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 82b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetMethod(mirror::ArtMethod* m) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 83b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 844345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier method_ = soa.EncodeMethod(m); 85b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 86b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 87b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint32_t DexPc() const { 88b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return dex_pc_; 89b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 90b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 91b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetDexPc(uint32_t pc) { 92b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi dex_pc_ = pc; 93b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 94b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 95b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi private: 964345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier jmethodID method_; 97b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint32_t dex_pc_; 98545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 99545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 1004345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartierjobject Dbg::TypeCache::Add(mirror::Class* t) { 1014345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 1024345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier int32_t hash_code = t->IdentityHashCode(); 1034345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier auto range = objects_.equal_range(hash_code); 1044345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier for (auto it = range.first; it != range.second; ++it) { 1054345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier if (soa.Decode<mirror::Class*>(it->second) == t) { 1064345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier // Found a matching weak global, return it. 1074345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return it->second; 1084345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 1094345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 1104345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier JNIEnv* env = soa.Env(); 1114345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier const jobject local_ref = soa.AddLocalReference<jobject>(t); 1124345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier const jobject weak_global = env->NewWeakGlobalRef(local_ref); 1134345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier env->DeleteLocalRef(local_ref); 1144345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier objects_.insert(std::make_pair(hash_code, weak_global)); 1154345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return weak_global; 1164345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier} 1174345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier 1184345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartiervoid Dbg::TypeCache::Clear() { 1194345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier ScopedObjectAccess soa(Thread::Current()); 1204345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier for (const auto& p : objects_) { 1214345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier soa.Vm()->DeleteWeakGlobalRef(soa.Self(), p.second); 1224345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 1234345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier objects_.clear(); 1244345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier} 1254345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier 126b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchiclass AllocRecord { 127b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi public: 128b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecord() : type_(nullptr), byte_count_(0), thin_lock_id_(0) {} 129b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 130b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::Class* Type() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1314345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier return down_cast<mirror::Class*>(Thread::Current()->DecodeJObject(type_)); 132b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 133b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 134b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetType(mirror::Class* t) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1354345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier type_ = Dbg::GetTypeCache().Add(t); 136b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 137545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 138b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi size_t GetDepth() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 139545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth = 0; 140b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi while (depth < kMaxAllocRecordStackDepth && stack_[depth].Method() != NULL) { 141545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ++depth; 142545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 143545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return depth; 144545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 145412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 146b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi size_t ByteCount() const { 147b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return byte_count_; 148b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 149b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 150b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetByteCount(size_t count) { 151b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi byte_count_ = count; 152412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 153b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 154b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint16_t ThinLockId() const { 155b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return thin_lock_id_; 156b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 157b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 158b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi void SetThinLockId(uint16_t id) { 159b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi thin_lock_id_ = id; 160b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 161b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 162b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement* StackElement(size_t index) { 163b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi DCHECK_LT(index, kMaxAllocRecordStackDepth); 164b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return &stack_[index]; 165b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 166b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi 167b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi private: 168b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi jobject type_; // This is a weak global. 169b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi size_t byte_count_; 170b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi uint16_t thin_lock_id_; 171b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement stack_[kMaxAllocRecordStackDepth]; // Unused entries have NULL method. 172545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 173545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 1740ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchiclass Breakpoint { 1750ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi public: 1760ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi Breakpoint(mirror::ArtMethod* method, uint32_t dex_pc, bool need_full_deoptimization) 1770ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 1780ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi : method_(nullptr), dex_pc_(dex_pc), need_full_deoptimization_(need_full_deoptimization) { 1790ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 1800ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi method_ = soa.EncodeMethod(method); 1810ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 182a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 1830ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi Breakpoint(const Breakpoint& other) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 1840ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi : method_(nullptr), dex_pc_(other.dex_pc_), 1850ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi need_full_deoptimization_(other.need_full_deoptimization_) { 1860ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 1870ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi method_ = soa.EncodeMethod(other.Method()); 1880ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 189a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 1900ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi mirror::ArtMethod* Method() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1910ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 1920ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return soa.DecodeMethod(method_); 1930ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 1943b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 1950ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi uint32_t DexPc() const { 1960ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return dex_pc_; 1970ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi } 1980ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 1990ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi bool NeedFullDeoptimization() const { 2000ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return need_full_deoptimization_; 2013b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2020ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 2030ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi private: 2040ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi // The location of this breakpoint. 2050ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi jmethodID method_; 2060ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi uint32_t dex_pc_; 2070ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 2080ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi // Indicates whether breakpoint needs full deoptimization or selective deoptimization. 2090ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi bool need_full_deoptimization_; 2108696433d1b3d8ba15288483b777edd888de69135Elliott Hughes}; 2118696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2120ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchistatic std::ostream& operator<<(std::ostream& os, Breakpoint& rhs) 213b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2140ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi os << StringPrintf("Breakpoint[%s @%#x]", PrettyMethod(rhs.Method()).c_str(), rhs.DexPc()); 2158696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return os; 2168696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 2178696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2183f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzclass DebugInstrumentationListener FINAL : public instrumentation::InstrumentationListener { 21962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers public: 22062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DebugInstrumentationListener() {} 22162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~DebugInstrumentationListener() {} 22262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2233f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodEntered(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2243f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc) 2253f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 22662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (method->IsNative()) { 22762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: post location events is a suspension point and native method entry stubs aren't. 22862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return; 22962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 2308379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, 0, Dbg::kMethodEntry, nullptr); 23162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 23262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2333f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodExited(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2343f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, const JValue& return_value) 2353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 23662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (method->IsNative()) { 23762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: post location events is a suspension point and native method entry stubs aren't. 23862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return; 23962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 2408379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, dex_pc, Dbg::kMethodExit, &return_value); 24162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 24262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodUnwind(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc) 2453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 24662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // We're not recorded to listen to this kind of event, so complain. 24762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(ERROR) << "Unexpected method unwind event in debugger " << PrettyMethod(method) 24851db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz << " " << dex_pc; 24962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 25062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2513f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void DexPcMoved(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2523f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t new_dex_pc) 2533f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2548379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, new_dex_pc, 0, nullptr); 25562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 25662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2573f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldRead(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2583f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field) 2593f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2603f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostFieldAccessEvent(method, dex_pc, this_object, field); 26162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 2623f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2633f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWritten(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 2643f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field, const JValue& field_value) 2653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2663f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostFieldModificationEvent(method, dex_pc, this_object, field, &field_value); 2673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2683f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2693f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void ExceptionCaught(Thread* thread, const ThrowLocation& throw_location, 2703f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* catch_method, uint32_t catch_dex_pc, 2713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Throwable* exception_object) 2723f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2733f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostException(throw_location, catch_method, catch_dex_pc, exception_object); 2743f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 2753f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2763f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz private: 2773f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DISALLOW_COPY_AND_ASSIGN(DebugInstrumentationListener); 27862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} gDebugInstrumentationListener; 27962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 2804ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes// JDWP is allowed unless the Zygote forbids it. 2814ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesstatic bool gJdwpAllowed = true; 2824ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 283c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Was there a -Xrunjdwp or -agentlib:jdwp= argument on the command line? 2843bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gJdwpConfigured = false; 2853bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 286c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Broken-down JDWP options. (Only valid if IsJdwpConfigured() is true.) 287376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesstatic JDWP::JdwpOptions gJdwpOptions; 2883bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 2893bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes// Runtime JDWP state. 2903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic JDWP::JdwpState* gJdwpState = NULL; 2913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerConnected; // debugger or DDMS is connected. 2923bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerActive; // debugger is making requests. 2938696433d1b3d8ba15288483b777edd888de69135Elliott Hughesstatic bool gDisposed; // debugger called VirtualMachine.Dispose, so we should drop the connection. 2943bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 29547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesstatic bool gDdmThreadNotification = false; 29647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 297767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes// DDMS GC-related settings. 298767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpifWhen gDdmHpifWhen = Dbg::HPIF_WHEN_NEVER; 299767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmHpsgWhen = Dbg::HPSG_WHEN_NEVER; 300767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmHpsgWhat; 301767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmNhsgWhen = Dbg::HPSG_WHEN_NEVER; 302767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmNhsgWhat; 303767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 304719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogersstatic ObjectRegistry* gRegistry = nullptr; 305475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 306545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes// Recent allocation tracking. 307719d1a33f6569864f529e5a3fff59e7bca97aad0Ian RogersMutex* Dbg::alloc_tracker_lock_ = nullptr; 308719d1a33f6569864f529e5a3fff59e7bca97aad0Ian RogersAllocRecord* Dbg::recent_allocation_records_ = nullptr; // TODO: CircularBuffer<AllocRecord> 309719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_max_ = 0; 310719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_head_ = 0; 311719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_count_ = 0; 3124345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu ChartierDbg::TypeCache Dbg::type_cache_; 313545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 314138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Deoptimization support. 3154d25df3f76f864b7629ac8c0046d46997f293d8dSebastien HertzMutex* Dbg::deoptimization_lock_ = nullptr; 3164d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzstd::vector<DeoptimizationRequest> Dbg::deoptimization_requests_; 3174d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzsize_t Dbg::full_deoptimization_event_count_ = 0; 3187ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzsize_t Dbg::delayed_full_undeoptimization_count_ = 0; 319138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 32042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz// Instrumentation event reference counters. 32142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::dex_pc_change_event_ref_count_ = 0; 32242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::method_enter_event_ref_count_ = 0; 32342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::method_exit_event_ref_count_ = 0; 32442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::field_read_event_ref_count_ = 0; 32542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::field_write_event_ref_count_ = 0; 32642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::exception_catch_event_ref_count_ = 0; 32742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzuint32_t Dbg::instrumentation_events_ = 0; 32842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz 329138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Breakpoints. 33009bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhaostatic std::vector<Breakpoint> gBreakpoints GUARDED_BY(Locks::breakpoint_lock_); 3318696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 3323b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid DebugInvokeReq::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 3333b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 3343b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (receiver != nullptr) { 3353b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&receiver, arg, tid, root_type); 3363b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3373b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (thread != nullptr) { 3383b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&thread, arg, tid, root_type); 3393b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3403b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (klass != nullptr) { 3413b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&klass), arg, tid, root_type); 3423b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3433b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 3443b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 3453b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3463b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 3473b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 348bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid DebugInvokeReq::Clear() { 349bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz invoke_needed = false; 350bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz receiver = nullptr; 351bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz thread = nullptr; 352bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz klass = nullptr; 353bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 354bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 355bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 3563b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid SingleStepControl::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 3573b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 3583b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 3593b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 3603b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 3613b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 3623b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 363bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzbool SingleStepControl::ContainsDexPc(uint32_t dex_pc) const { 364bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz return dex_pcs.find(dex_pc) == dex_pcs.end(); 365bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 366bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 367bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid SingleStepControl::Clear() { 368bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz is_active = false; 369bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 370bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz dex_pcs.clear(); 371bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 372bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 373ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic bool IsBreakpoint(const mirror::ArtMethod* m, uint32_t dex_pc) 37409bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao LOCKS_EXCLUDED(Locks::breakpoint_lock_) 375b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 37609bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 377138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 3780ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (gBreakpoints[i].DexPc() == dex_pc && gBreakpoints[i].Method() == m) { 3798696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "Hit breakpoint #" << i << ": " << gBreakpoints[i]; 3808696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return true; 3818696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3828696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3838696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return false; 3848696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 3858696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 38652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertzstatic bool IsSuspendedForDebugger(ScopedObjectAccessUnchecked& soa, Thread* thread) 38752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) { 3889e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_suspend_count_lock_); 3899e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // A thread may be suspended for GC; in this code, we really want to know whether 3909e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // there's a debugger suspension active. 3919e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes return thread->IsSuspended() && thread->GetDebugSuspendCount() > 0; 3929e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes} 3939e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 3942dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Array* DecodeArray(JDWP::RefTypeId id, JDWP::JdwpError& status) 395b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3962dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 39764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 398436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 399436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 400436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 401436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsArrayInstance()) { 402436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_ARRAY; 403436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 404436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 405436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 406436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsArray(); 407436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 408436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 4092dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Class* DecodeClass(JDWP::RefTypeId id, JDWP::JdwpError& status) 410b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 41264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 413436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 414436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 415436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 416436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsClass()) { 417436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_CLASS; 418436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 419436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 420436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 421436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsClass(); 422436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 423436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 424221229cb523f849f165fdafbf9785010963715daElliott Hughesstatic JDWP::JdwpError DecodeThread(ScopedObjectAccessUnchecked& soa, JDWP::ObjectId thread_id, Thread*& thread) 425a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao EXCLUSIVE_LOCKS_REQUIRED(Locks::thread_list_lock_) 426b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) 427b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4282dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_peer = gRegistry->Get<mirror::Object*>(thread_id); 42964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_peer == NULL || thread_peer == ObjectRegistry::kInvalidObject) { 430221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't even an object. 431221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_OBJECT; 432221229cb523f849f165fdafbf9785010963715daElliott Hughes } 433221229cb523f849f165fdafbf9785010963715daElliott Hughes 4342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* java_lang_Thread = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 435221229cb523f849f165fdafbf9785010963715daElliott Hughes if (!java_lang_Thread->IsAssignableFrom(thread_peer->GetClass())) { 436221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't a thread. 437221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_THREAD; 438221229cb523f849f165fdafbf9785010963715daElliott Hughes } 439221229cb523f849f165fdafbf9785010963715daElliott Hughes 440221229cb523f849f165fdafbf9785010963715daElliott Hughes thread = Thread::FromManagedThread(soa, thread_peer); 441221229cb523f849f165fdafbf9785010963715daElliott Hughes if (thread == NULL) { 442221229cb523f849f165fdafbf9785010963715daElliott Hughes // This is a java.lang.Thread without a Thread*. Must be a zombie. 443221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_THREAD_NOT_ALIVE; 444436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 445221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 446436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 447436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 44824437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic JDWP::JdwpTag BasicTagFromDescriptor(const char* descriptor) { 44924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // JDWP deliberately uses the descriptor characters' ASCII values for its enum. 45024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // Note that by "basic" we mean that we don't get more specific than JT_OBJECT. 45124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return static_cast<JDWP::JdwpTag>(descriptor[0]); 45224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 45324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 4549837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromClass(const ScopedObjectAccessUnchecked& soa, mirror::Class* c) 455b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 45686b0010c79ef95b5333cd540b7d3af34a9f1a643Elliott Hughes CHECK(c != NULL); 45724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsArrayClass()) { 45824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_ARRAY; 45924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 46024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsStringClass()) { 46124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_STRING; 4629837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4639837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (c->IsClassClass()) { 46424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_CLASS_OBJECT; 46524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 4669837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4679837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 4689837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_class->IsAssignableFrom(c)) { 4699837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD; 4709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4719837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4729837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4739837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_group_class = 4749837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 4759837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_group_class->IsAssignableFrom(c)) { 4769837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD_GROUP; 4779837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4789837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4799837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 4809837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* class_loader_class = 4819837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader); 4829837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (class_loader_class->IsAssignableFrom(c)) { 4839837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_CLASS_LOADER; 4849837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_OBJECT; 48724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 48824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 48924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes/* 49024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Objects declared to hold Object might actually hold a more specific 49124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * type. The debugger may take a special interest in these (e.g. it 49224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * wants to display the contents of Strings), so we want to return an 49324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * appropriate tag. 49424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * 49524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Null objects are tagged JT_OBJECT. 49624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes */ 4979837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromObject(const ScopedObjectAccessUnchecked& soa, mirror::Object* o) 498b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return (o == NULL) ? JDWP::JT_OBJECT : TagFromClass(soa, o->GetClass()); 50024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 50124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 50224437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic bool IsPrimitiveTag(JDWP::JdwpTag tag) { 50324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes switch (tag) { 50424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BOOLEAN: 50524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BYTE: 50624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_CHAR: 50724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_FLOAT: 50824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_DOUBLE: 50924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_INT: 51024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_LONG: 51124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_SHORT: 51224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_VOID: 51324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return true; 51424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes default: 51524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return false; 51624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 51724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 51824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 5193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 5203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Handle one of the JDWP name/value pairs. 5213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * JDWP options are: 5233bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * help: if specified, show help message and bail 5243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * transport: may be dt_socket or dt_shmem 5253bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * address: for dt_socket, "host:port", or just "port" when listening 5263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * server: if "y", wait for debugger to attach; if "n", attach to debugger 5273bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * timeout: how long to wait for debugger to connect / listen 5283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5293bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Useful with server=n (these aren't supported yet): 5303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onthrow=<exception-name>: connect to debugger when exception thrown 5313bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onuncaught=y|n: connect to debugger when uncaught exception thrown 5323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * launch=<command-line>: launch the debugger itself 5333bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 5343bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * The "transport" option is required, as is "address" if server=n. 5353bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 5363bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool ParseJdwpOption(const std::string& name, const std::string& value) { 5373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (name == "transport") { 5383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "dt_socket") { 539376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportSocket; 5403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "dt_android_adb") { 541376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportAndroidAdb; 5423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP transport not supported: " << value; 5443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5453bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5463bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "server") { 5473bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 548376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = false; 5493bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 550376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = true; 5513bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5523bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'server' must be 'y' or 'n'"; 5533bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5543bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5553bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "suspend") { 5563bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 557376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = false; 5583bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 559376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = true; 5603bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5613bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'suspend' must be 'y' or 'n'"; 5623bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5633bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5643bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "address") { 5653bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* this is either <port> or <host>:<port> */ 5663bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string port_string; 567376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host.clear(); 5683bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type colon = value.find(':'); 5693bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (colon != std::string::npos) { 570376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host = value.substr(0, colon); 5713bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value.substr(colon + 1); 5723bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5733bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value; 5743bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5753bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (port_string.empty()) { 5763bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address missing port: " << value; 5773bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5783bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5793bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes char* end; 580ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes uint64_t port = strtoul(port_string.c_str(), &end, 10); 581ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (*end != '\0' || port > 0xffff) { 5823bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address has junk in port field: " << value; 5833bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5843bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 585376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.port = port; 5863bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "launch" || name == "onthrow" || name == "oncaught" || name == "timeout") { 5873bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* valid but unsupported */ 5883bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring JDWP option '" << name << "'='" << value << "'"; 5893bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring unrecognized JDWP option '" << name << "'='" << value << "'"; 5913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5923bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5933bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 5943bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 5953bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5963bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 5973bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Parse the latter half of a -Xrunjdwp/-agentlib:jdwp= string, e.g.: 5983bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * "transport=dt_socket,address=8000,server=y,suspend=n" 5993bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 6003bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesbool Dbg::ParseJdwpOptions(const std::string& options) { 6014dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "ParseJdwpOptions: " << options; 60247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 6033bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::vector<std::string> pairs; 6043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Split(options, ',', pairs); 6053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes for (size_t i = 0; i < pairs.size(); ++i) { 6073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type equals = pairs[i].find('='); 6083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (equals == std::string::npos) { 6093bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Can't parse JDWP option '" << pairs[i] << "' in '" << options << "'"; 6103bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6123bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes ParseJdwpOption(pairs[i].substr(0, equals), pairs[i].substr(equals + 1)); 6133bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 615376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpOptions.transport == JDWP::kJdwpTransportUnknown) { 6163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP transport: " << options; 6173bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 618376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpOptions.server && (gJdwpOptions.host.empty() || gJdwpOptions.port == 0)) { 6193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP host and port when server=n: " << options; 6203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 6213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 6223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 6233bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gJdwpConfigured = true; 6243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 6253bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 6263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 627d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StartJdwp() { 628c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!gJdwpAllowed || !IsJdwpConfigured()) { 629376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes // No JDWP for you! 630376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes return; 631376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes } 632376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes 633719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers CHECK(gRegistry == nullptr); 634475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gRegistry = new ObjectRegistry; 635475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 636719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = new Mutex("AllocTracker lock"); 6374d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = new Mutex("deoptimization lock", kDeoptimizationLock); 638d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // Init JDWP if the debugger is enabled. This may connect out to a 639d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger, passively listen for a debugger, or block waiting for a 640d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger. 641376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpState = JDWP::JdwpState::Create(&gJdwpOptions); 642376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState == NULL) { 643f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // We probably failed because some other process has the port already, which means that 644f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // if we don't abort the user is likely to think they're talking to us when they're actually 645f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // talking to that other process. 6463d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Debugger thread failed to initialize"; 647d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 648d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes 649d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // If a debugger has already attached, send the "welcome" message. 650d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // This may cause us to suspend all threads. 651376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState->IsActive()) { 65200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 653376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpState->PostVMStart()) { 6543d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(WARNING) << "Failed to post 'start' message to debugger"; 655d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 656d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 657872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 658872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 659d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StopJdwp() { 6600376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz // Prevent the JDWP thread from processing JDWP incoming packets after we close the connection. 6610376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz Disposed(); 662376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes delete gJdwpState; 663719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gJdwpState = nullptr; 664475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes delete gRegistry; 665719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gRegistry = nullptr; 666719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers delete alloc_tracker_lock_; 667719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = nullptr; 6684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz delete deoptimization_lock_; 6694d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = nullptr; 670872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 671872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 672767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesvoid Dbg::GcDidFinish() { 673767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpifWhen != HPIF_WHEN_NEVER) { 67400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6754d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Sending heap info to DDM"; 6767162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(gDdmHpifWhen); 677767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 678767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpsgWhen != HPSG_WHEN_NEVER) { 67900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6804d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping heap to DDM"; 6816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(false); 682767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 683767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmNhsgWhen != HPSG_WHEN_NEVER) { 68400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6854d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping native heap to DDM"; 6866a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(true); 687767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 688767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 689767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 6904ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesvoid Dbg::SetJdwpAllowed(bool allowed) { 6914ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes gJdwpAllowed = allowed; 6924ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes} 6934ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 694872d4ec7225444d9400d30f9027247deb91012fdElliott HughesDebugInvokeReq* Dbg::GetInvokeReq() { 695475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return Thread::Current()->GetInvokeReq(); 696475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 697475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 698475fc23a4a7f35d1be87ea0b06c80df317a720acElliott HughesThread* Dbg::GetDebugThread() { 699475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return (gJdwpState != NULL) ? gJdwpState->GetDebugThread() : NULL; 700475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 701475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 702475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::ClearWaitForEventThread() { 703475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gJdwpState->ClearWaitForEventThread(); 704872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 705872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 706872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Connected() { 7073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(!gDebuggerConnected); 7084dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "JDWP has attached"; 7093bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gDebuggerConnected = true; 7108696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = false; 7118696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7128696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 7138696433d1b3d8ba15288483b777edd888de69135Elliott Hughesvoid Dbg::Disposed() { 7148696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = true; 7158696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7168696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 7178696433d1b3d8ba15288483b777edd888de69135Elliott Hughesbool Dbg::IsDisposed() { 7188696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return gDisposed; 719872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 720872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 721a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::GoActive() { 722a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Enable all debugging features, including scans for breakpoints. 723a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // This is a no-op if we're already active. 724a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Only called from the JDWP handler thread. 725a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (gDebuggerActive) { 726a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 727a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 728a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 729c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes { 730c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes // TODO: dalvik only warned if there were breakpoints left over. clear in Dbg::Disconnected? 73109bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 732c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes CHECK_EQ(gBreakpoints.size(), 0U); 733c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes } 734a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 735138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 7364d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 7374d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(deoptimization_requests_.size(), 0U); 7384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(full_deoptimization_event_count_, 0U); 7397ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz CHECK_EQ(delayed_full_undeoptimization_count_, 0U); 74042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(dex_pc_change_event_ref_count_, 0U); 74142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_enter_event_ref_count_, 0U); 74242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_exit_event_ref_count_, 0U); 74342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_read_event_ref_count_, 0U); 74442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_write_event_ref_count_, 0U); 74542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(exception_catch_event_ref_count_, 0U); 746138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 747138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 74862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 74962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 75062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 75162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 75262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_NE(old_state, kRunnable); 753138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetInstrumentation()->EnableDeoptimization(); 75442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 755a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes gDebuggerActive = true; 75662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 75762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 75862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 75962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(INFO) << "Debugger is active"; 760872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 761872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 762872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Disconnected() { 763234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes CHECK(gDebuggerConnected); 764234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 765c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes LOG(INFO) << "Debugger is no longer active"; 766234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 76762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Suspend all threads and exclusively acquire the mutator lock. Set the state of the thread 76862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // to kRunnable to avoid scoped object access transitions. Remove the debugger as a listener 76962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // and clear the object registry. 77062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 77162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 77262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 77362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 774aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz 775aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Debugger may not be active at this point. 776aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz if (gDebuggerActive) { 777aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz { 778aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Since we're going to disable deoptimization, we clear the deoptimization requests queue. 779aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // This prevents us from having any pending deoptimization request when the debugger attaches 780aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // to us again while no event has been requested yet. 7814d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 7824d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 7834d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz full_deoptimization_event_count_ = 0U; 7847ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz delayed_full_undeoptimization_count_ = 0U; 785aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 78642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (instrumentation_events_ != 0) { 78742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz runtime->GetInstrumentation()->RemoveListener(&gDebugInstrumentationListener, 78842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_); 78942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 79042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 791aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz runtime->GetInstrumentation()->DisableDeoptimization(); 792aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz gDebuggerActive = false; 793aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 794234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gRegistry->Clear(); 795234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gDebuggerConnected = false; 79662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 79762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 798872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 799872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 800c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsDebuggerActive() { 8013bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gDebuggerActive; 802872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 803872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 804c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsJdwpConfigured() { 8053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gJdwpConfigured; 806872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 807872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 808872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesint64_t Dbg::LastDebuggerActivity() { 809ca9515205010099d006ac2fac244348a1e673dcbElliott Hughes return gJdwpState->LastDebuggerActivity(); 810872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 811872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 812872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::UndoDebuggerSuspensions() { 813234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 814872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 815872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 81688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetClassName(JDWP::RefTypeId class_id) { 8172dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(class_id); 8183d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (o == NULL) { 819436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return "NULL"; 8207b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 82164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 82288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return StringPrintf("invalid object %p", reinterpret_cast<void*>(class_id)); 8233d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8243d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (!o->IsClass()) { 8257934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return StringPrintf("non-class %p", o); // This is only used for debugging output anyway. 8263d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 827f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier return DescriptorToName(o->AsClass()->GetDescriptor().c_str()); 8283d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes} 8293d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 83088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId& class_object_id) { 831436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 8322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 833436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 834436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 8352435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 83688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes class_object_id = gRegistry->Add(c); 837436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 8388696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 8398696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 84088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId& superclass_id) { 8413d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 8422dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 8433d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c == NULL) { 8443d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 8453d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8463d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c->IsInterface()) { 8473d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes // http://code.google.com/p/android/issues/detail?id=20856 84888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = 0; 8493d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } else { 85088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = gRegistry->Add(c->GetSuperClass()); 8513d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 8523d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 853872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 854872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 855436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 8562dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 85764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 858436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 859436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 860436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(o->GetClass()->GetClassLoader())); 861436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 862872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 863872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 864436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 865436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 8662dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 867436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 868436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 8697b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 870436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 871436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes uint32_t access_flags = c->GetAccessFlags() & kAccJavaFlagsMask; 872436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 873de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // Set ACC_SUPER. Dex files don't contain this flag but only classes are supposed to have it set, 874de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // not interfaces. 875436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes // Class.getModifiers doesn't return it, but JDWP does, so we set it here. 876de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban if ((access_flags & kAccInterface) == 0) { 877de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban access_flags |= kAccSuper; 878de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban } 879436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 880436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAdd4BE(pReply, access_flags); 881436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 882436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 883872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 884872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 885f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott HughesJDWP::JdwpError Dbg::GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) 886f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 8872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 88864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 889f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 890f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 891f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 892f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes // Ensure all threads are suspended while we read objects' lock words. 893f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes Thread* self = Thread::Current(); 8945426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 8955426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromRunnableToSuspended(kSuspended); 8965426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->SuspendAll(); 897f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 898f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes MonitorInfo monitor_info(o); 899f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 9005426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->ResumeAll(); 9015426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromSuspendedToRunnable(); 902f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 903d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers if (monitor_info.owner_ != NULL) { 904d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.owner_->GetPeer())); 905f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else { 906f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes expandBufAddObjectId(reply, gRegistry->Add(NULL)); 907f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 908d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.entry_count_); 909d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.waiters_.size()); 910d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers for (size_t i = 0; i < monitor_info.waiters_.size(); ++i) { 911d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.waiters_[i]->GetPeer())); 912f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 913f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_NONE; 914f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes} 915f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 916734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott HughesJDWP::JdwpError Dbg::GetOwnedMonitors(JDWP::ObjectId thread_id, 917734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<JDWP::ObjectId>& monitors, 91852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz std::vector<uint32_t>& stack_depths) { 9194993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes struct OwnedMonitorVisitor : public StackVisitor { 920b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi OwnedMonitorVisitor(Thread* thread, Context* context, 921cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::vector<JDWP::ObjectId>* monitor_vector, 922b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi std::vector<uint32_t>* stack_depth_vector) 9234993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 924b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi : StackVisitor(thread, context), current_stack_depth(0), 925b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi monitors(monitor_vector), stack_depths(stack_depth_vector) {} 9264993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 9274993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 9284993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // annotalysis. 9294993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 9304993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!GetMethod()->IsRuntimeMethod()) { 9314993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Monitor::VisitLocks(this, AppendOwnedMonitors, this); 932734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes ++current_stack_depth; 9334993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9344993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return true; 9354993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9364993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 937cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi static void AppendOwnedMonitors(mirror::Object* owned_monitor, void* arg) 938cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 9397a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor* visitor = reinterpret_cast<OwnedMonitorVisitor*>(arg); 940cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi visitor->monitors->push_back(gRegistry->Add(owned_monitor)); 941b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi visitor->stack_depths->push_back(visitor->current_stack_depth); 9424993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 9434993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 944734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes size_t current_stack_depth; 945cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::vector<JDWP::ObjectId>* monitors; 946b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi std::vector<uint32_t>* stack_depths; 9474993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes }; 9484993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 949b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 950cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi Thread* thread; 951b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 952b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 953b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 954b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (error != JDWP::ERR_NONE) { 955b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return error; 956b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 957b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (!IsSuspendedForDebugger(soa, thread)) { 958b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return JDWP::ERR_THREAD_NOT_SUSPENDED; 959b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 9604993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 961cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi std::unique_ptr<Context> context(Context::Create()); 962cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi OwnedMonitorVisitor visitor(thread, context.get(), &monitors, &stack_depths); 963cc8c5c5433230818cfe31617308198f286cc2ee1Hiroshi Yamauchi visitor.WalkStack(); 9644993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_NONE; 9654993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes} 9664993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 96752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetContendedMonitor(JDWP::ObjectId thread_id, 96852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId& contended_monitor) { 969b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::Object* contended_monitor_obj; 970f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 971b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 972b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 973b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi Thread* thread; 974b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 975b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (error != JDWP::ERR_NONE) { 976b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return error; 977b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 978b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi if (!IsSuspendedForDebugger(soa, thread)) { 979b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi return JDWP::ERR_THREAD_NOT_SUSPENDED; 980b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 981b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi contended_monitor_obj = Monitor::GetContendedMonitor(thread); 982f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 983b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi // Add() requires the thread_list_lock_ not held to avoid the lock 984b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi // level violation. 985b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi contended_monitor = gRegistry->Add(contended_monitor_obj); 986f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 987f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 988f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 989ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott HughesJDWP::JdwpError Dbg::GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, 990ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes std::vector<uint64_t>& counts) 991ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 992412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 993412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9942dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 995ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.clear(); 996ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes for (size_t i = 0; i < class_ids.size(); ++i) { 997ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes JDWP::JdwpError status; 9982dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_ids[i], status); 999ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes if (c == NULL) { 1000ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return status; 1001ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 1002ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes classes.push_back(c); 1003ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.push_back(0); 1004ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 1005412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CountInstances(classes, false, &counts[0]); 1006ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return JDWP::ERR_NONE; 1007ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes} 1008ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes 10093b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott HughesJDWP::JdwpError Dbg::GetInstances(JDWP::RefTypeId class_id, int32_t max_count, std::vector<JDWP::ObjectId>& instances) 10103b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1011412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1012412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier // We only want reachable instances, so do a GC. 1013412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10143b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes JDWP::JdwpError status; 10152dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1016412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (c == nullptr) { 10173b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return status; 10183b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 10192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 10203b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes Runtime::Current()->GetHeap()->GetInstances(c, max_count, raw_instances); 10213b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 10223b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes instances.push_back(gRegistry->Add(raw_instances[i])); 10233b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 10243b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return JDWP::ERR_NONE; 10253b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes} 10263b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes 10270cbaff584244ee767027aff35cd3c625aaee2994Elliott HughesJDWP::JdwpError Dbg::GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, 10280cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes std::vector<JDWP::ObjectId>& referring_objects) 10290cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1030412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 1031412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 10322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 103364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 10340cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 10350cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 10362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 1037412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->GetReferringObjects(o, max_count, raw_instances); 10380cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 10390cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes referring_objects.push_back(gRegistry->Add(raw_instances[i])); 10400cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 10410cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_NONE; 10420cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes} 10430cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes 104464f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::DisableCollection(JDWP::ObjectId object_id) 104564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1046e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1047e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 1048e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 1049e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 105064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisableCollection(object_id); 105164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 105264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 105364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 105464f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::EnableCollection(JDWP::ObjectId object_id) 105564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1056e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1057e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // Unlike DisableCollection, JDWP specs do not state an invalid object causes an error. The RI 1058e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // also ignores these cases and never return an error. However it's not obvious why this command 1059e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // should behave differently from DisableCollection and IsCollected commands. So let's be more 1060e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // strict and return an error if this happens. 1061e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 1062e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 1063e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 106464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->EnableCollection(object_id); 106564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 106664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 106764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 106864f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::IsCollected(JDWP::ObjectId object_id, bool& is_collected) 106964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 107065637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz if (object_id == 0) { 107165637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // Null object id is invalid. 107265637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 107365637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } 1074e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // JDWP specs state an INVALID_OBJECT error is returned if the object ID is not valid. However 107565637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // the RI seems to ignore this and assume object has been collected. 107665637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1077e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 107865637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = true; 107965637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } else { 108065637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = gRegistry->IsCollected(object_id); 1081e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 108264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 108364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 108464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 108564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughesvoid Dbg::DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) 108664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 108764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisposeObject(object_id, reference_count); 108864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 108964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 10904d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertzstatic JDWP::JdwpTypeTag GetTypeTag(mirror::Class* klass) 10914d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 10924d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz DCHECK(klass != nullptr); 10934d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz if (klass->IsArrayClass()) { 10944d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_ARRAY; 10954d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else if (klass->IsInterface()) { 10964d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_INTERFACE; 10974d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else { 10984d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_CLASS; 10994d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } 11004d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz} 11014d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz 110288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1103436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1105436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1106436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11077b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1108436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 11094d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(c); 11104d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz expandBufAdd1(pReply, type_tag); 111188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes expandBufAddRefTypeId(pReply, class_id); 1112436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1113872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1114872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 11157b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughesvoid Dbg::GetClassList(std::vector<JDWP::RefTypeId>& classes) { 1116a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Get the complete list of reference classes (i.e. all classes except 1117a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // the primitive types). 1118a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Returns a newly-allocated buffer full of RefTypeId values. 1119a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes struct ClassListCreator { 1120ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes explicit ClassListCreator(std::vector<JDWP::RefTypeId>& classes) : classes(classes) { 11217b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 11227b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 11232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static bool Visit(mirror::Class* c, void* arg) { 1124a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return reinterpret_cast<ClassListCreator*>(arg)->Visit(c); 1125a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1126a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 112764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 112864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 112964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool Visit(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS { 1130a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (!c->IsPrimitive()) { 113164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes classes.push_back(gRegistry->AddRefType(c)); 1132a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1133a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return true; 1134a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1135a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 11367b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes std::vector<JDWP::RefTypeId>& classes; 1137a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 1138a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 11397b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes ClassListCreator clc(classes); 1140a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Runtime::Current()->GetClassLinker()->VisitClasses(ClassListCreator::Visit, &clc); 1141872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1142872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 114388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, uint32_t* pStatus, std::string* pDescriptor) { 1144436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11452dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1146436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1147436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11487b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 11497b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 1150a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 1151a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 1152a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = JDWP::TT_ARRAY; 1153a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1154a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsErroneous()) { 1155a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_ERROR; 1156a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1157a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED | JDWP::CS_INITIALIZED; 1158a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1159a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = c->IsInterface() ? JDWP::TT_INTERFACE : JDWP::TT_CLASS; 1160a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1161a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 1162a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (pDescriptor != NULL) { 1163f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier *pDescriptor = c->GetDescriptor(); 1164a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1165436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1166872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1167872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1168c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughesvoid Dbg::FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>& ids) { 11692dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 11706fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes Runtime::Current()->GetClassLinker()->LookupClasses(descriptor, classes); 11716fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.clear(); 11726fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes for (size_t i = 0; i < classes.size(); ++i) { 11736fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.push_back(gRegistry->Add(classes[i])); 11746fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes } 1175872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1176872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 117764f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) 117864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 11792dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 118064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 11812435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 11822435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 11832435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11844d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(o->GetClass()); 118564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId type_id = gRegistry->AddRefType(o->GetClass()); 11862435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11872435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd1(pReply, type_tag); 11882435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAddRefTypeId(pReply, type_id); 11892435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11902435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1191872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1192872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1193fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan RogersJDWP::JdwpError Dbg::GetSignature(JDWP::RefTypeId class_id, std::string* signature) { 11941fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes JDWP::JdwpError status; 11952dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 11961fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes if (c == NULL) { 11971fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return status; 11987b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1199f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier *signature = c->GetDescriptor(); 12001fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return JDWP::ERR_NONE; 1201872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1202872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 120388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSourceFile(JDWP::RefTypeId class_id, std::string& result) { 1204436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 12052dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 12064206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz if (c == nullptr) { 1207436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 12087b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 12094206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz const char* source_file = c->GetSourceFile(); 12104206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz if (source_file == nullptr) { 1211b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz return JDWP::ERR_ABSENT_INFORMATION; 1212b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz } 12134206eb5d86d3a2406361e59b2018152b2485ccedSebastien Hertz result = source_file; 1214436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1215872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1216872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 121788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetObjectTag(JDWP::ObjectId object_id, uint8_t& tag) { 12189837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 12192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 122064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1221546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1222546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 12239837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag = TagFromObject(soa, o); 1224546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_NONE; 1225872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1226872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1227aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughessize_t Dbg::GetTagWidth(JDWP::JdwpTag tag) { 1228dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes switch (tag) { 1229dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_VOID: 1230dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 0; 1231dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BYTE: 1232dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BOOLEAN: 1233dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 1; 1234dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CHAR: 1235dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_SHORT: 1236dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 2; 1237dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_FLOAT: 1238dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_INT: 1239dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 4; 1240dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_ARRAY: 1241dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_OBJECT: 1242dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_STRING: 1243dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD: 1244dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD_GROUP: 1245dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_LOADER: 1246dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_OBJECT: 1247dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return sizeof(JDWP::ObjectId); 1248dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_DOUBLE: 1249dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_LONG: 1250dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 8; 1251dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes default: 12523d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Unknown tag " << tag; 1253dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return -1; 1254dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1255872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1256872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 125788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetArrayLength(JDWP::ObjectId array_id, int& length) { 12583d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 12592dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 12603d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (a == NULL) { 12613d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 126224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 12633d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes length = a->GetLength(); 12643d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1265872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1266872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 126788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputArray(JDWP::ObjectId array_id, int offset, int count, JDWP::ExpandBuf* pReply) { 12683d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 12692dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 12709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (a == nullptr) { 12713d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 12723d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 127324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 127424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (offset < 0 || count < 0 || offset > a->GetLength() || a->GetLength() - offset < count) { 127524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 12763d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 127724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 1278f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier std::string descriptor(a->GetClass()->GetDescriptor()); 127924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor.c_str() + 1); 128024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 12813d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd1(pReply, tag); 12823d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd4BE(pReply, count); 12833d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 128424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (IsPrimitiveTag(tag)) { 128524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes size_t width = GetTagWidth(tag); 128624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes uint8_t* dst = expandBufAddSpace(pReply, count * width); 128724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (width == 8) { 1288ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint64_t* src8 = reinterpret_cast<uint64_t*>(a->GetRawData(sizeof(uint64_t), 0)); 128924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write8BE(&dst, src8[offset + i]); 129024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 4) { 1291ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint32_t* src4 = reinterpret_cast<uint32_t*>(a->GetRawData(sizeof(uint32_t), 0)); 129224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write4BE(&dst, src4[offset + i]); 129324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 2) { 1294ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint16_t* src2 = reinterpret_cast<uint16_t*>(a->GetRawData(sizeof(uint16_t), 0)); 129524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write2BE(&dst, src2[offset + i]); 129624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 1297ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint8_t* src = reinterpret_cast<uint8_t*>(a->GetRawData(sizeof(uint8_t), 0)); 129824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes memcpy(dst, &src[offset * width], count * width); 129924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 130024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 13019837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 13022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* oa = a->AsObjectArray<mirror::Object>(); 130324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) { 13042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* element = oa->Get(offset + i); 13059837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag specific_tag = (element != nullptr) ? TagFromObject(soa, element) 13069837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : tag; 130724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAdd1(pReply, specific_tag); 130824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(element)); 130924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 131024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 131124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 13123d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1313872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1314872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1315ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate <typename T> 1316ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic void CopyArrayData(mirror::Array* a, JDWP::Request& src, int offset, int count) 1317ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers NO_THREAD_SAFETY_ANALYSIS { 1318ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // TODO: fix when annotalysis correctly handles non-member functions. 13194b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes DCHECK(a->GetClass()->IsPrimitiveArray()); 13204b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 1321ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers T* dst = reinterpret_cast<T*>(a->GetRawData(sizeof(T), offset)); 13224b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes for (int i = 0; i < count; ++i) { 13234b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes *dst++ = src.ReadValue(sizeof(T)); 13244b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes } 13254b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes} 13264b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 132788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetArrayElements(JDWP::ObjectId array_id, int offset, int count, 13284b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::Request& request) 1329b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 13303d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 13314b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::Array* dst = DecodeArray(array_id, status); 13324b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (dst == NULL) { 13333d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 13343d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 1335f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 13364b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (offset < 0 || count < 0 || offset > dst->GetLength() || dst->GetLength() - offset < count) { 1337f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 13383d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 1339f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1340f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier std::string descriptor = dst->GetClass()->GetDescriptor(); 1341f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor.c_str() + 1); 1342f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 1343f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (IsPrimitiveTag(tag)) { 1344f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes size_t width = GetTagWidth(tag); 1345f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (width == 8) { 13464b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint64_t>(dst, request, offset, count); 1347f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 4) { 13484b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint32_t>(dst, request, offset, count); 1349f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 2) { 13504b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint16_t>(dst, request, offset, count); 1351f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 13524b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint8_t>(dst, request, offset, count); 1353f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1354f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 13554b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::ObjectArray<mirror::Object>* oa = dst->AsObjectArray<mirror::Object>(); 1356f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes for (int i = 0; i < count; ++i) { 13574b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::ObjectId id = request.ReadObjectId(); 13582dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 135964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1360436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1361436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 1362d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz oa->Set<false>(offset + i, o); 1363f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1364f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1365f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 13663d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1367872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1368872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 13697b3cdfcca472b779cf8745fb8460935e56229f11Elliott HughesJDWP::ObjectId Dbg::CreateString(const std::string& str) { 13702dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return gRegistry->Add(mirror::String::AllocFromModifiedUtf8(Thread::Current(), str.c_str())); 1371872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1372872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 137388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId& new_object) { 1374436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13752dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1376436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1377436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 13787b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 137950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers new_object = gRegistry->Add(c->AllocObject(Thread::Current())); 1380436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1381872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1382872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1383bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes/* 1384bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes * Used by Eclipse's "Display" view to evaluate "new byte[5]" to get "(byte[]) [0, 0, 0, 0, 0]". 1385bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes */ 138688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, 138700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId& new_array) { 1388436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(array_class_id, status); 1390436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1391436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 13927b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 13936fac447555dc94a935b78198479cce645c837b89Ian Rogers new_array = gRegistry->Add(mirror::Array::Alloc<true>(Thread::Current(), c, length, 13946fac447555dc94a935b78198479cce645c837b89Ian Rogers c->GetComponentSize(), 13956fac447555dc94a935b78198479cce645c837b89Ian Rogers Runtime::Current()->GetHeap()->GetCurrentAllocator())); 1396436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1397872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1398872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 139988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesbool Dbg::MatchType(JDWP::RefTypeId instance_class_id, JDWP::RefTypeId class_id) { 1400436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14012dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c1 = DecodeClass(instance_class_id, status); 1402a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c1 != NULL); 14032dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c2 = DecodeClass(class_id, status); 1404a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c2 != NULL); 1405123756a041baf8421ed933312605daa5ef082f6fSebastien Hertz return c2->IsAssignableFrom(c1); 1406872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1407872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1408ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::FieldId ToFieldId(const mirror::ArtField* f) 1409b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1410590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 141103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::FieldId>(reinterpret_cast<uintptr_t>(f)); 141203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 141303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1414ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::MethodId ToMethodId(const mirror::ArtMethod* m) 1415b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1416590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 141703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::MethodId>(reinterpret_cast<uintptr_t>(m)); 141803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 141903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1420ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtField* FromFieldId(JDWP::FieldId fid) 1421b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1422590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 1423ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtField*>(static_cast<uintptr_t>(fid)); 1424aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes} 1425aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1426ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtMethod* FromMethodId(JDWP::MethodId mid) 1427b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1428590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 1429ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtMethod*>(static_cast<uintptr_t>(mid)); 143003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 143103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1432ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic void SetLocation(JDWP::JdwpLocation& location, mirror::ArtMethod* m, uint32_t dex_pc) 1433b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 143491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (m == NULL) { 143591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes memset(&location, 0, sizeof(location)); 143691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } else { 14372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = m->GetDeclaringClass(); 14384d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz location.type_tag = GetTypeTag(c); 1439cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.class_id = gRegistry->AddRefType(c); 1440748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes location.method_id = ToMethodId(m); 1441cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint64_t>(-1) : dex_pc; 144291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 1443d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes} 1444d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 1445a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetMethodName(JDWP::MethodId method_id) 1446b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1447ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1448bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return m->GetName(); 1449872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1450872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1451a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetFieldName(JDWP::FieldId field_id) 1452a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 145361c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier return FromFieldId(field_id)->GetName(); 1454a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes} 1455a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes 1456a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes/* 1457a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * Augment the access flags for synthetic methods and fields by setting 1458a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * the (as described by the spec) "0xf0000000 bit". Also, strip out any 1459a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * flags not specified by the Java programming language. 1460a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes */ 1461a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughesstatic uint32_t MangleAccessFlags(uint32_t accessFlags) { 1462a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags &= kAccJavaFlagsMask; 1463a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes if ((accessFlags & kAccSynthetic) != 0) { 1464a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags |= 0xf0000000; 1465a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1466a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return accessFlags; 1467872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1468872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1469dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes/* 1470b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come first. Debuggers 1471b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * expect slots to begin with arguments, but dex code places them at 1472b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * the end. 1473dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes */ 1474b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Haostatic uint16_t MangleSlot(uint16_t slot, mirror::ArtMethod* m) 1475b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1476bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1477cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1478cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1479cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1480cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to mangle slot for method without code " << PrettyMethod(m); 1481cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1482cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1483b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1484b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1485b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot >= locals_size) { 1486b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - locals_size; 1487b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1488b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + ins_size; 1489dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1490dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1491dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1492b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao/* 1493b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come last. Reverts 1494b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * slots to dex style argument placement. 1495b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao */ 1496ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic uint16_t DemangleSlot(uint16_t slot, mirror::ArtMethod* m) 1497b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1498bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1499cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1500cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1501cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1502cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to demangle slot for method without code " << PrettyMethod(m); 1503cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1504cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1505b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1506b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1507b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot < ins_size) { 1508b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + locals_size; 1509b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1510b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - ins_size; 1511dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1512dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1513dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 151488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredFields(JDWP::RefTypeId class_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1515436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 15162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1517436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1518436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 15197b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1520a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1521a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t instance_field_count = c->NumInstanceFields(); 1522a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t static_field_count = c->NumStaticFields(); 1523a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1524a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, instance_field_count + static_field_count); 1525a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1526a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < instance_field_count + static_field_count; ++i) { 1527ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = (i < instance_field_count) ? c->GetInstanceField(i) : c->GetStaticField(i - instance_field_count); 1528a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddFieldId(pReply, ToFieldId(f)); 152961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier expandBufAddUtf8String(pReply, f->GetName()); 153061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier expandBufAddUtf8String(pReply, f->GetTypeDescriptor()); 1531c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1532a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1533a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1534a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1535a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(f->GetAccessFlags())); 1536a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1537436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1538a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1539a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 154088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredMethods(JDWP::RefTypeId class_id, bool with_generic, 154100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 1542436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 15432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1544436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1545436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 15467b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1547a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1548a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t direct_method_count = c->NumDirectMethods(); 1549a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t virtual_method_count = c->NumVirtualMethods(); 1550a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1551a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, direct_method_count + virtual_method_count); 1552a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1553a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < direct_method_count + virtual_method_count; ++i) { 1554ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = (i < direct_method_count) ? c->GetDirectMethod(i) : c->GetVirtualMethod(i - direct_method_count); 1555a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddMethodId(pReply, ToMethodId(m)); 1556bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier expandBufAddUtf8String(pReply, m->GetName()); 1557bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier expandBufAddUtf8String(pReply, m->GetSignature().ToString()); 1558c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1559a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1560a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1561a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1562a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(m->GetAccessFlags())); 1563a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1564436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1565a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1566a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 156788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredInterfaces(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1568436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 1569f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Thread* self = Thread::Current(); 1570f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 1571f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Handle<mirror::Class> c(hs.NewHandle(DecodeClass(class_id, status))); 1572f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier if (c.Get() == nullptr) { 1573436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 15747b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1575f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t interface_count = c->NumDirectInterfaces(); 1576a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, interface_count); 1577a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < interface_count; ++i) { 1578f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier expandBufAddRefTypeId(pReply, 1579f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier gRegistry->AddRefType(mirror::Class::GetDirectInterface(self, c, i))); 1580a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1581436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1582872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1583872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 158488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputLineTable(JDWP::RefTypeId, JDWP::MethodId method_id, JDWP::ExpandBuf* pReply) 1585b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 158603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes struct DebugCallbackContext { 158703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes int numItems; 158803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::ExpandBuf* pReply; 158903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 15902435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes static bool Callback(void* context, uint32_t address, uint32_t line_number) { 159103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 159203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pContext->pReply, address); 15932435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd4BE(pContext->pReply, line_number); 159403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes pContext->numItems++; 1595f2910eef247b45ce1d489e323b36b5de6b6157aaSebastien Hertz return false; 159603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 159703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 1598ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1599bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 160003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes uint64_t start, end; 1601cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1602cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DCHECK(m->IsNative() || m->IsProxyMethod()); 160303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = -1; 160403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes end = -1; 160503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } else { 160603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = 0; 160714f0db92225d34622fa5cb1a6dc9287334aaf6c7jeffhao // Return the index of the last instruction 1608cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz end = code_item->insns_size_in_code_units_ - 1; 160903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 161003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 161103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, start); 161203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, end); 161303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 161403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes // Add numLines later 161503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes size_t numLinesOffset = expandBufGetLength(pReply); 161603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd4BE(pReply, 0); 161703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 161803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext context; 161903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.numItems = 0; 162003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.pReply = pReply; 162103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1622cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1623bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 1624bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DebugCallbackContext::Callback, NULL, &context); 1625cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 162603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 162703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + numLinesOffset, context.numItems); 1628872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1629872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1630bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartiervoid Dbg::OutputVariableTable(JDWP::RefTypeId, JDWP::MethodId method_id, bool with_generic, 1631bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier JDWP::ExpandBuf* pReply) { 1632dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes struct DebugCallbackContext { 1633b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao mirror::ArtMethod* method; 1634dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes JDWP::ExpandBuf* pReply; 1635c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count; 1636c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes bool with_generic; 1637dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1638bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier static void Callback(void* context, uint16_t slot, uint32_t startAddress, uint32_t endAddress, 1639bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* name, const char* descriptor, const char* signature) 1640b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1641dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 1642dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1643bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier VLOG(jdwp) << StringPrintf(" %2zd: %d(%d) '%s' '%s' '%s' actual slot=%d mangled slot=%d", 1644bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier pContext->variable_count, startAddress, endAddress - startAddress, 1645bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier name, descriptor, signature, slot, 1646bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MangleSlot(slot, pContext->method)); 1647dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1648b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao slot = MangleSlot(slot, pContext->method); 164968fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 1650dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd8BE(pContext->pReply, startAddress); 1651dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, name); 1652dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, descriptor); 1653c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (pContext->with_generic) { 1654dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, signature); 1655dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1656dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, endAddress - startAddress); 1657dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, slot); 1658dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1659c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes ++pContext->variable_count; 1660dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1661dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes }; 1662ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 1663dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1664c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // arg_count considers doubles and longs to take 2 units. 1665c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // variable_count considers everything to take 1 unit. 1666bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier std::string shorty(m->GetShorty()); 1667ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom expandBufAdd4BE(pReply, mirror::ArtMethod::NumArgRegisters(shorty)); 1668dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1669c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // We don't know the total number of variables yet, so leave a blank and update it later. 1670c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count_offset = expandBufGetLength(pReply); 1671dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pReply, 0); 1672dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1673dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext context; 1674b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao context.method = m; 1675dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes context.pReply = pReply; 1676c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.variable_count = 0; 1677c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.with_generic = with_generic; 1678dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1679bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 1680cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1681bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo( 1682bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier code_item, m->IsStatic(), m->GetDexMethodIndex(), NULL, DebugCallbackContext::Callback, 1683bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier &context); 1684cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1685dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1686c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + variable_count_offset, context.variable_count); 1687872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1688872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1689579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, 1690579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::ExpandBuf* pReply) { 1691579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::ArtMethod* m = FromMethodId(method_id); 1692bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(m->GetShorty()); 1693579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao OutputJValue(tag, return_value, pReply); 1694579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1695579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 16963f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::OutputFieldValue(JDWP::FieldId field_id, const JValue* field_value, 16973f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ExpandBuf* pReply) { 16983f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* f = FromFieldId(field_id); 169961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 17003f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OutputJValue(tag, field_value, pReply); 17013f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 17023f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 17039777ba230c83a0edcbda2cf7b208339e77bf171bElliott HughesJDWP::JdwpError Dbg::GetBytecodes(JDWP::RefTypeId, JDWP::MethodId method_id, 17049777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes std::vector<uint8_t>& bytecodes) 17059777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1706ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 17079777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes if (m == NULL) { 17089777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_INVALID_METHODID; 17099777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 1710bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 17119777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes size_t byte_count = code_item->insns_size_in_code_units_ * 2; 17129777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* begin = reinterpret_cast<const uint8_t*>(code_item->insns_); 17139777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* end = begin + byte_count; 17149777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes for (const uint8_t* p = begin; p != end; ++p) { 17159777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes bytecodes.push_back(*p); 17169777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 17179777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_NONE; 17189777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes} 17199777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes 172088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetFieldBasicTag(JDWP::FieldId field_id) { 172161c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier return BasicTagFromDescriptor(FromFieldId(field_id)->GetTypeDescriptor()); 1722872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1723872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 172488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetStaticFieldBasicTag(JDWP::FieldId field_id) { 172561c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier return BasicTagFromDescriptor(FromFieldId(field_id)->GetTypeDescriptor()); 1726872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1727872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 172888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError GetFieldValueImpl(JDWP::RefTypeId ref_type_id, JDWP::ObjectId object_id, 172988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::FieldId field_id, JDWP::ExpandBuf* pReply, 173000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool is_static) 1731b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 17320cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes JDWP::JdwpError status; 17332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(ref_type_id, status); 173488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes if (ref_type_id != 0 && c == NULL) { 17350cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return status; 17360cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17370cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 17382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 173964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 17403f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 17413f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1742ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 17430cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 17442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* receiver_class = c; 17450cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class == NULL && o != NULL) { 17460cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes receiver_class = o->GetClass(); 17470cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17480cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we give up now if receiver_class is NULL? 17490cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class != NULL && !f->GetDeclaringClass()->IsAssignableFrom(receiver_class)) { 17500cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(INFO) << "ERR_INVALID_FIELDID: " << PrettyField(f) << " " << PrettyClass(receiver_class); 17513f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 17523f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1753aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 17540cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 17550cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 17560cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 17570cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 17580cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 17590cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17600cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 17610cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 17620cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 17630cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17640cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17650dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 17660dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 17670dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 17680cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 176961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 1770579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JValue field_value; 1771579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_VOID) { 1772579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao LOG(FATAL) << "Unknown tag: " << tag; 1773579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (!IsPrimitiveTag(tag)) { 1774579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetL(f->GetObject(o)); 1775579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1776579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetJ(f->Get64(o)); 1777aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1778579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetI(f->Get32(o)); 1779aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1780579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::OutputJValue(tag, &field_value, pReply); 1781579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 17823f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_NONE; 1783872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1784872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 178588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, 178600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 178788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(0, object_id, field_id, pReply, false); 17883f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 17893f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 179088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetStaticFieldValue(JDWP::RefTypeId ref_type_id, JDWP::FieldId field_id, JDWP::ExpandBuf* pReply) { 179188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(ref_type_id, 0, field_id, pReply, true); 17923f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 17933f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 179488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError SetFieldValueImpl(JDWP::ObjectId object_id, JDWP::FieldId field_id, 179500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint64_t value, int width, bool is_static) 1796b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 17972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 179864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 17993f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18003f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1801ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 18020cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 18030cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 18040cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 18050cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 18060cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 18070cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 18080cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18090cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 18100cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 18110cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 18120cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 18133f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 18140dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 18150dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 18160dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 1817aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 181861c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(f->GetTypeDescriptor()); 1819aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1820aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (IsPrimitiveTag(tag)) { 1821aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 18221bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_EQ(width, 8); 1823d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1824d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set64<false>(o, value); 1825aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 18261bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_LE(width, 4); 1827d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1828d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set32<false>(o, value); 1829aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1830aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 18312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* v = gRegistry->Get<mirror::Object*>(value); 183264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (v == ObjectRegistry::kInvalidObject) { 18333d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_OBJECT; 18343d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 18353f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (v != NULL) { 183661c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier mirror::Class* field_type; 183761c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier { 183861c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier StackHandleScope<3> hs(Thread::Current()); 183961c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::Object> h_v(hs.NewHandleWrapper(&v)); 184061c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::ArtField> h_f(hs.NewHandleWrapper(&f)); 184161c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier HandleWrapper<mirror::Object> h_o(hs.NewHandleWrapper(&o)); 184261c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier field_type = FieldHelper(h_f).GetType(); 184361c5ebc6aee2cac1c363de6fbdac25ada1697fdbMathieu Chartier } 18443f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (!field_type->IsAssignableFrom(v->GetClass())) { 18453f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18463f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 18473f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1848d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1849d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->SetObject<false>(o, v); 1850aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 18513d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 18523d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1853872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1854872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 185588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, uint64_t value, 185600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int width) { 185788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(object_id, field_id, value, width, false); 1858872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1859872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 186088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) { 186188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(0, field_id, value, width, true); 1862872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1863872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 186488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::StringToUtf8(JDWP::ObjectId string_id) { 18652dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = gRegistry->Get<mirror::String*>(string_id); 186668fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes return s->ToModifiedUtf8(); 1867872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1868872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1869579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) { 1870579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (IsPrimitiveTag(tag)) { 1871579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, tag); 1872579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_BOOLEAN || tag == JDWP::JT_BYTE) { 1873579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, return_value->GetI()); 1874579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_CHAR || tag == JDWP::JT_SHORT) { 1875579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd2BE(pReply, return_value->GetI()); 1876579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_FLOAT || tag == JDWP::JT_INT) { 1877579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd4BE(pReply, return_value->GetI()); 1878579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1879579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd8BE(pReply, return_value->GetJ()); 1880579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 1881579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao CHECK_EQ(tag, JDWP::JT_VOID); 1882579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1883579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 18849837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1885579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::Object* value = return_value->GetL(); 18869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers expandBufAdd1(pReply, TagFromObject(soa, value)); 1887579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAddObjectId(pReply, gRegistry->Add(value)); 1888579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1889579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1890579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 1891221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadName(JDWP::ObjectId thread_id, std::string& name) { 1892a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao ScopedObjectAccessUnchecked soa(Thread::Current()); 1893a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1894221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1895221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1896221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE && error != JDWP::ERR_THREAD_NOT_ALIVE) { 1897221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1898a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1899221229cb523f849f165fdafbf9785010963715daElliott Hughes 1900221229cb523f849f165fdafbf9785010963715daElliott Hughes // We still need to report the zombie threads' names, so we can't just call Thread::GetThreadName. 19012dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 1902ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* java_lang_Thread_name_field = 19032dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.DecodeField(WellKnownClasses::java_lang_Thread_name); 19042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = 19052dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers reinterpret_cast<mirror::String*>(java_lang_Thread_name_field->GetObject(thread_object)); 1906221229cb523f849f165fdafbf9785010963715daElliott Hughes if (s != NULL) { 1907221229cb523f849f165fdafbf9785010963715daElliott Hughes name = s->ToModifiedUtf8(); 1908221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1909221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1910872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1911872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1912221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 191300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 19142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 191564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_object == ObjectRegistry::kInvalidObject) { 19162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 19172435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 19189837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroup"); 19192435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Okay, so it's an object, but is it actually a thread? 1920b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::JdwpError error; 1921b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi { 1922b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1923b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi Thread* thread; 1924b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi error = DecodeThread(soa, thread_id, thread); 1925b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi } 1926221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 1927221229cb523f849f165fdafbf9785010963715daElliott Hughes // Zombie threads are in the null group. 1928221229cb523f849f165fdafbf9785010963715daElliott Hughes expandBufAddObjectId(pReply, JDWP::ObjectId(0)); 192952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz error = JDWP::ERR_NONE; 193052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz } else if (error == JDWP::ERR_NONE) { 193152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 193252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(c != nullptr); 193352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::ArtField* f = c->FindInstanceField("group", "Ljava/lang/ThreadGroup;"); 1934b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi CHECK(f != nullptr); 193552d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Object* group = f->GetObject(thread_object); 1936b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi CHECK(group != nullptr); 193752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId thread_group_id = gRegistry->Add(group); 193852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz expandBufAddObjectId(pReply, thread_group_id); 19392435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 19409837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 194152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz return error; 1942872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1943872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 194488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id) { 194500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 19462dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 19479837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 19489837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupName"); 19499837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 19509837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1951ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("name", "Ljava/lang/String;"); 1952499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes CHECK(f != NULL); 19532dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = reinterpret_cast<mirror::String*>(f->GetObject(thread_group)); 19549837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 1955499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes return s->ToModifiedUtf8(); 1956872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1957872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 195888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::ObjectId Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id) { 19599837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 19602dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 19619837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 19629837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupParent"); 19639837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 19649837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1965ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("parent", "Ljava/lang/ThreadGroup;"); 19664e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes CHECK(f != NULL); 19672dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* parent = f->GetObject(thread_group); 19689837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 19694e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return gRegistry->Add(parent); 1970872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1971872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1972872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetSystemThreadGroupId() { 197300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1974ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup); 19752dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1976365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1977872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1978872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1979872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetMainThreadGroupId() { 198000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1981ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup); 19822dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1983365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1984872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1985872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1986920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff HaoJDWP::JdwpThreadStatus Dbg::ToJdwpThreadStatus(ThreadState state) { 1987920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao switch (state) { 1988920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kBlocked: 1989920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_MONITOR; 1990920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kNative: 1991920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kRunnable: 1992920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSuspended: 1993920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_RUNNING; 1994920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSleeping: 1995920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_SLEEPING; 1996920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kStarting: 1997920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTerminated: 1998920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 1999920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTimedWaiting: 2000bae182cbc6adc8796154162a87fc54ae804e0469Sebastien Hertz case kWaitingForCheckPointsToRun: 2001920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSend: 2002920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSuspension: 2003920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerToAttach: 2004138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz case kWaitingForDeoptimization: 2005920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForGcToComplete: 2006920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForJniOnLoad: 2007bae182cbc6adc8796154162a87fc54ae804e0469Sebastien Hertz case kWaitingForMethodTracingStart: 2008920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForSignalCatcherOutput: 2009920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainDebuggerLoop: 2010920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainSignalCatcherLoop: 2011920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingPerformingGc: 2012920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaiting: 2013920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_WAIT; 2014920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao // Don't add a 'default' here so the compiler can spot incompatible enum changes. 2015920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao } 2016920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao LOG(FATAL) << "Unknown thread state: " << state; 2017920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 2018920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao} 2019920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao 202052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetThreadStatus(JDWP::ObjectId thread_id, JDWP::JdwpThreadStatus* pThreadStatus, 202152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::JdwpSuspendStatus* pSuspendStatus) { 202200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2023499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 20249e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_NOT_SUSPENDED; 20259e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 202650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2027221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2028221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2029221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2030221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 2031221229cb523f849f165fdafbf9785010963715daElliott Hughes *pThreadStatus = JDWP::TS_ZOMBIE; 2032221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 2033221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2034221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2035499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes } 2036499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 20379e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (IsSuspendedForDebugger(soa, thread)) { 20389e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_SUSPENDED; 20399e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes } 204000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 2041920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao *pThreadStatus = ToJdwpThreadStatus(thread->GetState()); 2042221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 2043872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2044872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2045221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 204600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 204750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2048221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2049221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2050221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2051221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 20522435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 205350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 205400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers expandBufAdd4BE(pReply, thread->GetDebugSuspendCount()); 20552435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 2056872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2057872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2058f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott HughesJDWP::JdwpError Dbg::Interrupt(JDWP::ObjectId thread_id) { 2059f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccess soa(Thread::Current()); 2060f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2061f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 2062f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2063f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 2064f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 2065f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 2066dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers thread->Interrupt(soa.Self()); 2067f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 2068f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 2069f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 2070caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetThreads(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& thread_ids) { 2071365c10235438607541fa2259a5fec48061b90bd8Ian Rogers class ThreadListVisitor { 2072365c10235438607541fa2259a5fec48061b90bd8Ian Rogers public: 20732dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers ThreadListVisitor(const ScopedObjectAccessUnchecked& soa, mirror::Object* desired_thread_group, 207400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::vector<JDWP::ObjectId>& thread_ids) 2075b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 20760dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao : soa_(soa), desired_thread_group_(desired_thread_group), thread_ids_(thread_ids) {} 2077365c10235438607541fa2259a5fec48061b90bd8Ian Rogers 2078a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes static void Visit(Thread* t, void* arg) { 2079a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes reinterpret_cast<ThreadListVisitor*>(arg)->Visit(t); 2080a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2081a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 208200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 208300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 208400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void Visit(Thread* t) NO_THREAD_SAFETY_ANALYSIS { 2085a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (t == Dbg::GetDebugThread()) { 2086a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Skip the JDWP thread. Some debuggers get bent out of shape when they can't suspend and 2087a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // query all threads, so it's easier if we just don't tell them about this thread. 2088a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 2089a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 20902dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = t->GetPeer(); 20910dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (IsInDesiredThreadGroup(peer)) { 2092120f1c74a9768e958377b6c97897511b27ae58c8Ian Rogers thread_ids_.push_back(gRegistry->Add(peer)); 2093a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2094a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2095a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 2096365c10235438607541fa2259a5fec48061b90bd8Ian Rogers private: 20972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers bool IsInDesiredThreadGroup(mirror::Object* peer) 20980dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20990dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // peer might be NULL if the thread is still starting up. 21000dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (peer == NULL) { 21010dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // We can't tell the debugger about this thread yet. 21020dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // TODO: if we identified threads to the debugger by their Thread* 21032dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers // rather than their peer's mirror::Object*, we could fix this. 21040dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // Doing so might help us report ZOMBIE threads too. 21050dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return false; 21060dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 2107c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao // Do we want threads from all thread groups? 2108c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao if (desired_thread_group_ == NULL) { 2109c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao return true; 2110c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao } 21112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = soa_.DecodeField(WellKnownClasses::java_lang_Thread_group)->GetObject(peer); 21120dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return (group == desired_thread_group_); 21130dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 21140dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao 2115dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier const ScopedObjectAccessUnchecked& soa_; 21162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* const desired_thread_group_; 2117caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes std::vector<JDWP::ObjectId>& thread_ids_; 2118a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 2119a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 212000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 21212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 212200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ThreadListVisitor tlv(soa, thread_group, thread_ids); 212350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2124f8349361a16a4e2796efe9f3586b994e8d4834e4Elliott Hughes Runtime::Current()->GetThreadList()->ForEach(ThreadListVisitor::Visit, &tlv); 2125a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes} 2126a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 2127caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetChildThreadGroups(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& child_thread_group_ids) { 212800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 21292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 2130caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2131caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the ArrayList<ThreadGroup> "groups" out of this thread group... 2132ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;"); 21332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* groups_array_list = groups_field->GetObject(thread_group); 2134872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2135caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the array and size out of the ArrayList<ThreadGroup>... 2136ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;"); 2137ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I"); 21382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* groups_array = 21392dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>(); 2140caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes const int32_t size = size_field->GetInt(groups_array_list); 2141caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2142caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Copy the first 'size' elements out of the array into the result. 2143caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes for (int32_t i = 0; i < size; ++i) { 2144caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes child_thread_group_ids.push_back(gRegistry->Add(groups_array->Get(i))); 2145caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes } 2146872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2147872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 214800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic int GetStackDepth(Thread* thread) 2149b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 21500399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct CountStackDepthVisitor : public StackVisitor { 215193ba893c20532990a430741e0a97212900094e8cBrian Carlstrom explicit CountStackDepthVisitor(Thread* thread) 21527a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth(0) {} 21530399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 215464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 215564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 215664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 21570399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!GetMethod()->IsRuntimeMethod()) { 2158f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes ++depth; 2159f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes } 2160530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 2161a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 2162a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t depth; 2163a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes }; 216408fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes 21657a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers CountStackDepthVisitor visitor(thread); 21660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2167a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return visitor.depth; 2168872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2169872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2170221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadFrameCount(JDWP::ObjectId thread_id, size_t& result) { 217100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2172a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2173221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2174221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2175221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2176221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2177221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2178f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2179f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2180f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 2181221229cb523f849f165fdafbf9785010963715daElliott Hughes result = GetStackDepth(thread); 2182221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 21838696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 21848696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2185306057fd278d75bf3794bd5243a3b6652c487d18Ian RogersJDWP::JdwpError Dbg::GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, 2186306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers size_t frame_count, JDWP::ExpandBuf* buf) { 21876e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes class GetFrameVisitor : public StackVisitor { 21886e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes public: 21897a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor(Thread* thread, size_t start_frame, size_t frame_count, JDWP::ExpandBuf* buf) 2190b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 21917a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth_(0), 21926e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes start_frame_(start_frame), frame_count_(frame_count), buf_(buf) { 21936e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd4BE(buf_, frame_count_); 219403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 219600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 219700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 219800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 21990399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetMethod()->IsRuntimeMethod()) { 22007934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return true; // The debugger can't do anything useful with a frame that has no Method*. 220103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 22026e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_ + frame_count_) { 2203530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 220403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 22056e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_) { 22066e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id(GetFrameId()); 22076e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::JdwpLocation location; 22086e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes SetLocation(location, GetMethod(), GetDexPc()); 2209ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers VLOG(jdwp) << StringPrintf(" Frame %3zd: id=%3" PRIu64 " ", depth_, frame_id) << location; 22106e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd8BE(buf_, frame_id); 22116e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAddLocation(buf_, location); 22126e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 22136e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes ++depth_; 2214530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 221503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 22166e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes 22176e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes private: 22186e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes size_t depth_; 22196e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t start_frame_; 22206e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t frame_count_; 22216e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::ExpandBuf* buf_; 222203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 222300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 222400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2225a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2226221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2227221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2228221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2229221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2230221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2231f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2232f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2233f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 22347a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor visitor(thread, start_frame, frame_count, buf); 22350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 22366e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 2237872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2238872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2239872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetThreadSelfId() { 2240dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 2241cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers return gRegistry->Add(soa.Self()->GetPeer()); 2242872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2243872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2244475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::SuspendVM() { 224500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Runtime::Current()->GetThreadList()->SuspendAllForDebugger(); 2246872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2247872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2248872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ResumeVM() { 2249c61a267e98ed1038b74c33c7740414ced4a27d89Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 2250872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2251872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2252221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::SuspendThread(JDWP::ObjectId thread_id, bool request_suspension) { 225300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> peer(Thread::Current()->GetJniEnv(), NULL); 225400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 225500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 22562dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers peer.reset(soa.AddLocalReference<jobject>(gRegistry->Get<mirror::Object*>(thread_id))); 225700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 225800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (peer.get() == NULL) { 225900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 226000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 226100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend thread to build stack trace. 2262f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes bool timed_out; 2263d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* thread = ThreadList::SuspendThreadByPeer(peer.get(), request_suspension, true, 2264d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 226500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (thread != NULL) { 226600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_NONE; 2267f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else if (timed_out) { 226800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_INTERNAL; 226900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } else { 227000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 22714e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 2272872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2273872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2274221229cb523f849f165fdafbf9785010963715daElliott Hughesvoid Dbg::ResumeThread(JDWP::ObjectId thread_id) { 227500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 22762dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = gRegistry->Get<mirror::Object*>(thread_id); 2277a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao Thread* thread; 2278a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao { 2279a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2280a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao thread = Thread::FromManagedThread(soa, peer); 2281a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao } 22824e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes if (thread == NULL) { 22834e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes LOG(WARNING) << "No such thread for resume: " << peer; 22844e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return; 22854e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 228600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool needs_resume; 228700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 228850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 228900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers needs_resume = thread->GetSuspendCount() > 0; 229000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 229100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (needs_resume) { 2292546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes Runtime::Current()->GetThreadList()->Resume(thread, true); 2293546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 2294872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2295872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2296872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::SuspendSelf() { 2297475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes Runtime::Current()->GetThreadList()->SuspendSelfForDebugger(); 2298872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2299872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 23000399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct GetThisVisitor : public StackVisitor { 23017a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 2302b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 23037a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), this_object(NULL), frame_id(frame_id) {} 230468fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 230500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 230600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 230700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 23086e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (frame_id != GetFrameId()) { 23090399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // continue 23100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 231162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_object = GetThisObject(); 231262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return false; 23130399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 231468fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes } 2315dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 23162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* this_object; 23176e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id; 23180399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers}; 2319ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 232000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan RogersJDWP::JdwpError Dbg::GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, 232100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* result) { 232200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 232300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread; 232400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 232550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2326221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2327221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2328221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 232900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 23309e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 233100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_SUSPENDED; 233200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 23336e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 2334700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 23357a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor visitor(thread, context.get(), frame_id); 23360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 23376e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes *result = gRegistry->Add(visitor.this_object); 23386e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 23390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 23400399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2341cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::GetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2342cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint8_t* buf, size_t width) { 23430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct GetLocalVisitor : public StackVisitor { 23449837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor(const ScopedObjectAccessUnchecked& soa, Thread* thread, Context* context, 23459837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint8_t* buf, size_t width) 2346b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 23479837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : StackVisitor(thread, context), soa_(soa), frame_id_(frame_id), slot_(slot), tag_(tag), 2348cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz buf_(buf), width_(width), error_(JDWP::ERR_NONE) {} 2349ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 235000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 235100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 235200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 23530399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 23540399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 23550399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23560399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2357cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2358ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2359cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2360cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2361cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2362cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2363cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 23640399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 23650bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz constexpr JDWP::JdwpError kFailureErrorCode = JDWP::ERR_ABSENT_INFORMATION; 23660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 23670bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_BOOLEAN: { 23680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 23690bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t intVal; 23700bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (GetVReg(m, reg, kIntVReg, &intVal)) { 23710bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "get boolean local " << reg << " = " << intVal; 23720bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::Set1(buf_+1, intVal != 0); 23730bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 23740bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get boolean local " << reg; 23750bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 23760bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 23770bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 23780399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23790bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_BYTE: { 23800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 23810bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t intVal; 23820bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (GetVReg(m, reg, kIntVReg, &intVal)) { 23830bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "get byte local " << reg << " = " << intVal; 23840bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::Set1(buf_+1, intVal); 23850bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 23860bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get byte local " << reg; 23870bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 23880bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 23890bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 23900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23910bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_SHORT: 23920bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_CHAR: { 23930399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 23940bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t intVal; 23950bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (GetVReg(m, reg, kIntVReg, &intVal)) { 23960bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "get short/char local " << reg << " = " << intVal; 23970bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::Set2BE(buf_+1, intVal); 23980bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 23990bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get short/char local " << reg; 24000bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 24010bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 24020bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 24030399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24040bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_INT: { 24052bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 24060bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t intVal; 24070bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (GetVReg(m, reg, kIntVReg, &intVal)) { 24080bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "get int local " << reg << " = " << intVal; 24090bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::Set4BE(buf_+1, intVal); 24100bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 24110bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get int local " << reg; 24120bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 24130bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 24140bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 24152bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 24160bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_FLOAT: { 24170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 24180bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t intVal; 24190bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (GetVReg(m, reg, kFloatVReg, &intVal)) { 24200bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "get float local " << reg << " = " << intVal; 24210bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::Set4BE(buf_+1, intVal); 24220bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 24230bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get float local " << reg; 24240bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 24250399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24260bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 24270399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24280bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_ARRAY: 24290bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_CLASS_LOADER: 24300bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_CLASS_OBJECT: 24310bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_OBJECT: 24320bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_STRING: 24330bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_THREAD: 24340bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_THREAD_GROUP: { 24350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 24360bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz uint32_t intVal; 24370bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (GetVReg(m, reg, kReferenceVReg, &intVal)) { 24380bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz mirror::Object* o = reinterpret_cast<mirror::Object*>(intVal); 24390bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "get " << tag_ << " object local " << reg << " = " << o; 24400bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 24410bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz LOG(FATAL) << "Register " << reg << " expected to hold " << tag_ << " object: " << o; 24420bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 24430bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz tag_ = TagFromObject(soa_, o); 24440bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::SetObjectId(buf_+1, gRegistry->Add(o)); 24450bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 24460bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get " << tag_ << " object local " << reg; 24470bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 24480399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24490bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 24500399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24510bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_DOUBLE: { 24522bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 2453c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t longVal; 2454c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (GetVRegPair(m, reg, kDoubleLoVReg, kDoubleHiVReg, &longVal)) { 2455c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz VLOG(jdwp) << "get double local " << reg << " = " << longVal; 24560bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::Set8BE(buf_+1, longVal); 24570bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 24580bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get double local " << reg; 24590bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 24600bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 24610bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 24622bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 24630bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_LONG: { 24640399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 2465c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz uint64_t longVal; 2466c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz if (GetVRegPair(m, reg, kLongLoVReg, kLongHiVReg, &longVal)) { 2467c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz VLOG(jdwp) << "get long local " << reg << " = " << longVal; 24680bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz JDWP::Set8BE(buf_+1, longVal); 24690bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else { 24700bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to get long local " << reg; 24710bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 24720bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 24730bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 24740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24750bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz default: 24760bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz LOG(FATAL) << "Unknown tag " << tag_; 24770bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 24780399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 2479ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 24800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // Prepend tag, which may have been updated. 24810399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_, tag_); 24820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 24830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24849837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const ScopedObjectAccessUnchecked& soa_; 24850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 24860399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 24870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::JdwpTag tag_; 24880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint8_t* const buf_; 24890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2490cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 24910399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 249200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 249300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2494a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2495221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2496221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2497221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2498cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2499221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2500cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 2501700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 25029837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor visitor(soa, thread, context.get(), frame_id, slot, tag, buf, width); 25030399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2504cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 25050399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 25060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2507cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::SetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2508cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint64_t value, size_t width) { 25090399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SetLocalVisitor : public StackVisitor { 25107a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor(Thread* thread, Context* context, 25110399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint64_t value, 2512ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers size_t width) 2513b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 25147a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), 2515cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz frame_id_(frame_id), slot_(slot), tag_(tag), value_(value), width_(width), 2516cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_(JDWP::ERR_NONE) {} 2517ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 251800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 251900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 252000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 25210399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 25220399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 2523ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes } 25240399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2525cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2526ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2527cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2528cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2529cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2530cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2531cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 25320399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 25330bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz constexpr JDWP::JdwpError kFailureErrorCode = JDWP::ERR_ABSENT_INFORMATION; 25340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 25350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BOOLEAN: 25360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BYTE: 25370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 25380bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (!SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg)) { 25390bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to set boolean/byte local " << reg << " = " 25400bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz << static_cast<uint32_t>(value_); 25410bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 25420bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 25430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 25440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_SHORT: 25450399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CHAR: 25460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 25470bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (!SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg)) { 25480bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to set short/char local " << reg << " = " 25490bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz << static_cast<uint32_t>(value_); 25500bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 25510bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 25520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 25530399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_INT: 25542bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 25550bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (!SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg)) { 25560bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to set int local " << reg << " = " 25570bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz << static_cast<uint32_t>(value_); 25580bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 25590bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 25602bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 25610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_FLOAT: 25620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 25630bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (!SetVReg(m, reg, static_cast<uint32_t>(value_), kFloatVReg)) { 25640bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to set float local " << reg << " = " 25650bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz << static_cast<uint32_t>(value_); 25660bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 25670bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 25680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 25690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_ARRAY: 25700bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_CLASS_LOADER: 25710bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_CLASS_OBJECT: 25720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_OBJECT: 25730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_STRING: 25740bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_THREAD: 25750bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_THREAD_GROUP: { 25760399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 25772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(static_cast<JDWP::ObjectId>(value_)); 257864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 25790bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << tag_ << " object " << o << " is an invalid object"; 25800bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = JDWP::ERR_INVALID_OBJECT; 25810bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } else if (!SetVReg(m, reg, static_cast<uint32_t>(reinterpret_cast<uintptr_t>(o)), 25820bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz kReferenceVReg)) { 25830bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz VLOG(jdwp) << "failed to set " << tag_ << " object local " << reg << " = " << o; 25840bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 25850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 25860bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz break; 25870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 25880bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_DOUBLE: { 25892bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 2590c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool success = SetVRegPair(m, reg, value_, kDoubleLoVReg, kDoubleHiVReg); 25910bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (!success) { 2592c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz VLOG(jdwp) << "failed to set double local " << reg << " = " << value_; 25930bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 25940bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 25952bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 25960bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 25970bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz case JDWP::JT_LONG: { 25980399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 2599c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz bool success = SetVRegPair(m, reg, value_, kLongLoVReg, kLongHiVReg); 26000bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz if (!success) { 2601c901dd7bdc80b953d04100ef2f54b8d1ca5f466bSebastien Hertz VLOG(jdwp) << "failed to set double local " << reg << " = " << value_; 26020bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz error_ = kFailureErrorCode; 26030bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 26040399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 26050bcb2902ec21393d71c94e63aa6733cb5311a0ccSebastien Hertz } 26060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers default: 26070399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Unknown tag " << tag_; 26080399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 26090399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 26100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 2611cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes } 26120399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 26130399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 26140399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 26150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::JdwpTag tag_; 26160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const uint64_t value_; 26170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2618cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 26190399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 262000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 262100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2622a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2623221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2624221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2625221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2626cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2627221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2628cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 2629700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 26307a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor visitor(thread, context.get(), frame_id, slot, tag, value, width); 26310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2632cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 2633872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2634872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 26353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien HertzJDWP::ObjectId Dbg::GetThisObjectIdForEvent(mirror::Object* this_object) { 26363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // If 'this_object' isn't already in the registry, we know that we're not looking for it, so 26373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // there's no point adding it to the registry and burning through ids. 26383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // When registering an event request with an instance filter, we've been given an existing object 26393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // id so it must already be present in the registry when the event fires. 26403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = 0; 26413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (this_object != nullptr && gRegistry->Contains(this_object)) { 26423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz this_id = gRegistry->Add(this_object); 26433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 26443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return this_id; 26453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 26463f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2647ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersvoid Dbg::PostLocationEvent(mirror::ArtMethod* m, int dex_pc, mirror::Object* this_object, 2648579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao int event_flags, const JValue* return_value) { 26493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 26503f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 26513f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 26523f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 26533f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK_EQ(m->IsStatic(), this_object == nullptr); 265491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes JDWP::JdwpLocation location; 2655cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz SetLocation(location, m, dex_pc); 265691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 26573f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // We need 'this' for InstanceOnly filters only. 26583f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = GetThisObjectIdForEvent(this_object); 2659579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao gJdwpState->PostLocationEvent(&location, this_id, event_flags, return_value); 2660872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2661872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 26623f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldAccessEvent(mirror::ArtMethod* m, int dex_pc, 26633f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f) { 26643f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 26653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 26663f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 26673f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 26683f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 26693f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpLocation location; 26703f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SetLocation(location, m, dex_pc); 26713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 26723f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::RefTypeId type_id = gRegistry->AddRefType(f->GetDeclaringClass()); 26733f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::FieldId field_id = ToFieldId(f); 26743f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = gRegistry->Add(this_object); 26753f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 26763f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz gJdwpState->PostFieldEvent(&location, type_id, field_id, this_id, nullptr, false); 26773f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 26783f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 26793f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldModificationEvent(mirror::ArtMethod* m, int dex_pc, 26803f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f, 26813f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz const JValue* field_value) { 26823f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 26833f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 26843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 26853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 26863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 26873f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(field_value != nullptr); 26883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpLocation location; 26893f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SetLocation(location, m, dex_pc); 26903f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 26913f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::RefTypeId type_id = gRegistry->AddRefType(f->GetDeclaringClass()); 26923f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::FieldId field_id = ToFieldId(f); 26933f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = gRegistry->Add(this_object); 26943f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 26953f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz gJdwpState->PostFieldEvent(&location, type_id, field_id, this_id, field_value, true); 26963f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 26973f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 26983f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostException(const ThrowLocation& throw_location, 2699ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, 270064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes uint32_t catch_dex_pc, mirror::Throwable* exception_object) { 2701c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 27020ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers return; 27030ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers } 27044740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 270562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers JDWP::JdwpLocation jdwp_throw_location; 270662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SetLocation(jdwp_throw_location, throw_location.GetMethod(), throw_location.GetDexPc()); 2707d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes JDWP::JdwpLocation catch_location; 2708caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes SetLocation(catch_location, catch_method, catch_dex_pc); 2709d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 27103f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // We need 'this' for InstanceOnly filters only. 27113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = GetThisObjectIdForEvent(throw_location.GetThis()); 271264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::ObjectId exception_id = gRegistry->Add(exception_object); 271364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId exception_class_id = gRegistry->AddRefType(exception_object->GetClass()); 2714d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 271562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers gJdwpState->PostException(&jdwp_throw_location, exception_id, exception_class_id, &catch_location, 271662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_id); 2717872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2718872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 27192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::PostClassPrepare(mirror::Class* c) { 2720c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 27214740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes return; 27224740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes } 27234740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 27243d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes // OLD-TODO - we currently always send both "verified" and "prepared" since 27254740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // debuggers seem to like that. There might be some advantage to honesty, 27264740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // since the class may not yet be verified. 27274740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes int state = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 27284d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag tag = GetTypeTag(c); 2729f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier gJdwpState->PostClassPrepare(tag, gRegistry->Add(c), c->GetDescriptor(), state); 2730872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2731872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 273262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersvoid Dbg::UpdateDebugger(Thread* thread, mirror::Object* this_object, 27338379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz mirror::ArtMethod* m, uint32_t dex_pc, 27348379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz int event_flags, const JValue* return_value) { 273562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (!IsDebuggerActive() || dex_pc == static_cast<uint32_t>(-2) /* fake method exit */) { 27362aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes return; 273791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 273891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 27398696433d1b3d8ba15288483b777edd888de69135Elliott Hughes if (IsBreakpoint(m, dex_pc)) { 27408696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kBreakpoint; 274191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 274291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 274361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // If the debugger is single-stepping one of our threads, check to 274461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // see if we're that thread and we've reached a step point. 274561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const SingleStepControl* single_step_control = thread->GetSingleStepControl(); 274661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 274761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->is_active) { 274861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK(!m->IsNative()); 274961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_depth == JDWP::SD_INTO) { 275061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step into method calls. We break when the line number 275161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // or method pointer changes. If we're in SS_MIN mode, we 275261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // always stop. 275361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->method != m) { 275461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 275561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new method"; 275661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_size == JDWP::SS_MIN) { 275761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 275861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new instruction"; 2759bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 276061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 276161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new line"; 276261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 276361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_depth == JDWP::SD_OVER) { 276461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step over method calls. We break when the line number is 276561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // different and the frame depth is <= the original frame 276661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth. (We can't just compare on the method, because we 276761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // might get unrolled past it by an exception, and it's tricky 276861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // to identify recursion.) 276961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 277061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 277161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 277261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 277361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Popped up one or more frames, always trigger. 277461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 277561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 277661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (stack_depth == single_step_control->stack_depth) { 277761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Same depth, see if we moved. 277861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_size == JDWP::SS_MIN) { 27798696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kSingleStep; 27808696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "SS new instruction"; 2781bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 27822435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes event_flags |= kSingleStep; 27832435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "SS new line"; 278491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 278561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 278661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else { 278761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK_EQ(single_step_control->step_depth, JDWP::SD_OUT); 278861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Return from the current method. We break when the frame 278961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth pops up. 279061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 279161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // This differs from the "method exit" break in that it stops 279261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // with the PC at the next instruction in the returned-to 279361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // function, rather than the end of the returning function. 279461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 279561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 279661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 279761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 279861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 27998696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 280091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 280191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 280291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 280391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // If there's something interesting going on, see if it matches one 280491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // of the debugger filters. 280591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (event_flags != 0) { 28068379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::PostLocationEvent(m, dex_pc, this_object, event_flags, return_value); 280791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 280891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes} 280991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 281042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t* Dbg::GetReferenceCounterForEvent(uint32_t instrumentation_event) { 281142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz switch (instrumentation_event) { 281242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodEntered: 281342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_enter_event_ref_count_; 281442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodExited: 281542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_exit_event_ref_count_; 281642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kDexPcMoved: 281742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &dex_pc_change_event_ref_count_; 281842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldRead: 281942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_read_event_ref_count_; 282042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldWritten: 282142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_write_event_ref_count_; 282242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kExceptionCaught: 282342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &exception_catch_event_ref_count_; 282442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz default: 282542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return nullptr; 282642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 282742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz} 282842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz 28294d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz// Process request while all mutator threads are suspended. 28304d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::ProcessDeoptimizationRequest(const DeoptimizationRequest& request) { 2831138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 28320ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi switch (request.GetKind()) { 28334d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kNothing: 28344d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(WARNING) << "Ignoring empty deoptimization request."; 28354d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 283642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: 283742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Add debugger as listener for instrumentation event 0x%x", 28380ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 28390ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->AddListener(&gDebugInstrumentationListener, request.InstrumentationEvent()); 28400ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation_events_ |= request.InstrumentationEvent(); 284142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 284242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: 284342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Remove debugger as listener for instrumentation event 0x%x", 28440ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 284542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation->RemoveListener(&gDebugInstrumentationListener, 28460ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi request.InstrumentationEvent()); 28470ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation_events_ &= ~request.InstrumentationEvent(); 284842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 28494d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: 28507ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world ..."; 28514d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->DeoptimizeEverything(); 28527ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world DONE"; 28534d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28544d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: 28557ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world ..."; 28564d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->UndeoptimizeEverything(); 28577ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world DONE"; 28584d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: 28600ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.Method()) << " ..."; 28610ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->Deoptimize(request.Method()); 28620ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.Method()) << " DONE"; 28634d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28644d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: 28650ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.Method()) << " ..."; 28660ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi instrumentation->Undeoptimize(request.Method()); 28670ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.Method()) << " DONE"; 28684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28694d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: 28700ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi LOG(FATAL) << "Unsupported deoptimization request kind " << request.GetKind(); 28714d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28724d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 28734d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 28744d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 28757ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::DelayFullUndeoptimization() { 28767ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 28777ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ++delayed_full_undeoptimization_count_; 28787ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DCHECK_LE(delayed_full_undeoptimization_count_, full_deoptimization_event_count_); 28797ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 28807ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 28817ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::ProcessDelayedFullUndeoptimizations() { 28827ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz // TODO: avoid taking the lock twice (once here and once in ManageDeoptimization). 28837ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz { 28847ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 28857ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz while (delayed_full_undeoptimization_count_ > 0) { 28867ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DeoptimizationRequest req; 28870ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.SetKind(DeoptimizationRequest::kFullUndeoptimization); 28880ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.SetMethod(nullptr); 28897ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 28907ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz --delayed_full_undeoptimization_count_; 28917ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 28927ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 28937ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ManageDeoptimization(); 28947ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 28957ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 28964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::RequestDeoptimization(const DeoptimizationRequest& req) { 28970ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (req.GetKind() == DeoptimizationRequest::kNothing) { 28984d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz // Nothing to do. 28994d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz return; 29004d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 29014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 29027ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 29037ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 29047ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 29057ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::RequestDeoptimizationLocked(const DeoptimizationRequest& req) { 29060ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi switch (req.GetKind()) { 290742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: { 29080ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK_NE(req.InstrumentationEvent(), 0u); 29090ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi size_t* counter = GetReferenceCounterForEvent(req.InstrumentationEvent()); 291042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 29110ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.InstrumentationEvent()); 291242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 29137d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to start listening to instrumentation event 0x%x", 29140ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi deoptimization_requests_.size(), req.InstrumentationEvent()); 291542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 291642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 291742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter + 1; 291842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 291942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 292042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: { 29210ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK_NE(req.InstrumentationEvent(), 0u); 29220ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi size_t* counter = GetReferenceCounterForEvent(req.InstrumentationEvent()); 292342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 29240ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req.InstrumentationEvent()); 292542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter - 1; 292642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 29277d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to stop listening to instrumentation event 0x%x", 29280ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi deoptimization_requests_.size(), req.InstrumentationEvent()); 292942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 293042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 293142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 293242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 29334d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: { 29340ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() == nullptr); 29354d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 29367ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 29377ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full deoptimization"; 29384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2939138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 29404d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ++full_deoptimization_event_count_; 29414d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29424d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 29434d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: { 29440ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() == nullptr); 2945e713d9338ad122d6b8c7997387d0c9fc464eea3eSebastien Hertz DCHECK_GT(full_deoptimization_event_count_, 0U); 29464d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz --full_deoptimization_event_count_; 29474d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 29487ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 29497ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full undeoptimization"; 29504d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2951138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 29524d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29534d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 29544d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: { 29550ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() != nullptr); 29567ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 29570ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi << " for deoptimization of " << PrettyMethod(req.Method()); 29584d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 29594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29604d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 29614d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: { 29620ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi DCHECK(req.Method() != nullptr); 29637ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 29640ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi << " for undeoptimization of " << PrettyMethod(req.Method()); 29654d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 29664d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 29674d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 29684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: { 29690ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi LOG(FATAL) << "Unknown deoptimization request kind " << req.GetKind(); 29704d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 2971138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2972138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2973138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 2974138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2975138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertzvoid Dbg::ManageDeoptimization() { 2976138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Thread* const self = Thread::Current(); 2977138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 2978138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Avoid suspend/resume if there is no pending request. 29794d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 29804d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_requests_.empty()) { 2981138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz return; 2982138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2983138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2984138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 2985138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromRunnableToSuspended(kWaitingForDeoptimization); 2986138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // We need to suspend mutator threads first. 2987138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Runtime* const runtime = Runtime::Current(); 2988138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->SuspendAll(); 2989138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz const ThreadState old_state = self->SetStateUnsafe(kRunnable); 29904d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 29914d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 29927ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz size_t req_index = 0; 29930ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi for (DeoptimizationRequest& request : deoptimization_requests_) { 29947ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Process deoptimization request #" << req_index++; 29954d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ProcessDeoptimizationRequest(request); 29964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 29974d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 29984d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 2999138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 3000138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->ResumeAll(); 3001138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromSuspendedToRunnable(); 3002138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 3003138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3004a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic bool IsMethodPossiblyInlined(Thread* self, mirror::ArtMethod* m) 3005a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3006bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = m->GetCodeItem(); 3007a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (code_item == nullptr) { 3008a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // TODO We should not be asked to watch location in a native or abstract method so the code item 3009a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // should never be null. We could just check we never encounter this case. 3010a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return false; 3011a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3012eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(self); 3013bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Class* declaring_class = m->GetDeclaringClass(); 3014bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(declaring_class->GetDexCache())); 3015bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier Handle<mirror::ClassLoader> class_loader(hs.NewHandle(declaring_class->GetClassLoader())); 3016bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier verifier::MethodVerifier verifier(dex_cache->GetDexFile(), &dex_cache, &class_loader, 3017bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier &m->GetClassDef(), code_item, m->GetDexMethodIndex(), m, 301846960fe5dcc1be07b39a55114338423a73554449Ian Rogers m->GetAccessFlags(), false, true, false); 3019a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: we don't need to verify the method. 3020a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return InlineMethodAnalyser::AnalyseMethodCode(&verifier, nullptr); 3021a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3022138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3023a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic const Breakpoint* FindFirstBreakpointForMethod(mirror::ArtMethod* m) 30240ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 30250ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi for (Breakpoint& breakpoint : gBreakpoints) { 30260ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (breakpoint.Method() == m) { 3027a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return &breakpoint; 3028138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3029a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3030a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return nullptr; 3031a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3032138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3033a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Sanity checks all existing breakpoints on the same method. 3034a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic void SanityCheckExistingBreakpoints(mirror::ArtMethod* m, bool need_full_deoptimization) 3035a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) { 3036a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (kIsDebugBuild) { 3037a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 30380ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi CHECK_EQ(need_full_deoptimization, breakpoint.NeedFullDeoptimization()); 3039a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3040a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 3041a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have deoptimized everything but not "selectively" deoptimized this method. 3042a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->AreAllMethodsDeoptimized()); 3043a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(!Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 3044a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3045a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have "selectively" deoptimized this method. 3046a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: while we have not deoptimized everything for this method, we may have done it for 3047a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // another event. 3048a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 3049a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3050138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3051a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 3052138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 3053a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Installs a breakpoint at the specified location. Also indicates through the deoptimization 3054a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to deoptimize. 3055a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzvoid Dbg::WatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 3056a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz Thread* const self = Thread::Current(); 3057a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz mirror::ArtMethod* m = FromMethodId(location->method_id); 3058a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 3059a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 3060a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MutexLock mu(self, *Locks::breakpoint_lock_); 3061a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 3062a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization; 3063a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 3064a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no breakpoint on this method yet: we need to deoptimize. If this method may be 3065a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // inlined, we deoptimize everything; otherwise we deoptimize only this method. 3066a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = IsMethodPossiblyInlined(self, m); 3067a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 30680ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kFullDeoptimization); 30690ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 3070a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 30710ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kSelectiveDeoptimization); 30720ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(m); 3073a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3074a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3075a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to deoptimize. 30760ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kNothing); 30770ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 3078a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 30790ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi need_full_deoptimization = existing_breakpoint->NeedFullDeoptimization(); 3080a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 3081138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3082a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 3083a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.push_back(Breakpoint(m, location->dex_pc, need_full_deoptimization)); 3084a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Set breakpoint #" << (gBreakpoints.size() - 1) << ": " 3085a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz << gBreakpoints[gBreakpoints.size() - 1]; 3086872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3087872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3088a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Uninstalls a breakpoint at the specified location. Also indicates through the deoptimization 3089a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to undeoptimize. 30904d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::UnwatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 30910ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 3092ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(location->method_id); 3093a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 3094a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization = false; 3095a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 30960ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi if (gBreakpoints[i].DexPc() == location->dex_pc && gBreakpoints[i].Method() == m) { 3097a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Removed breakpoint #" << i << ": " << gBreakpoints[i]; 30980ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi need_full_deoptimization = gBreakpoints[i].NeedFullDeoptimization(); 3099a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK_NE(need_full_deoptimization, Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 3100a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.erase(gBreakpoints.begin() + i); 3101a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz break; 3102138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3103138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 3104a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 3105a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 3106a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no more breakpoint on this method: we need to undeoptimize. 3107a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 3108a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required full deoptimization: we need to undeoptimize everything. 31090ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kFullUndeoptimization); 31100ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 3111a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3112a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required selective deoptimization: we need to undeoptimize only that method. 31130ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kSelectiveUndeoptimization); 31140ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(m); 3115a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 3116a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 3117a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to undeoptimize. 31180ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetKind(DeoptimizationRequest::kNothing); 31190ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi req->SetMethod(nullptr); 3120a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 31218696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3122872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3123872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3124449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// Scoped utility class to suspend a thread so that we may do tasks such as walk its stack. Doesn't 3125449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// cause suspension if the thread is the current thread. 3126449db33fafa29578df60e8a323f78d5eb6247e76Jeff Haoclass ScopedThreadSuspension { 3127449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao public: 312833e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers ScopedThreadSuspension(Thread* self, JDWP::ObjectId thread_id) 312952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_) 313033e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) : 3131449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao thread_(NULL), 3132449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_(JDWP::ERR_NONE), 3133449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_(false), 313433e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers other_suspend_(false) { 3135449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedObjectAccessUnchecked soa(self); 3136449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao { 3137449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3138449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = DecodeThread(soa, thread_id, thread_); 3139449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3140449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (error_ == JDWP::ERR_NONE) { 3141449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (thread_ == soa.Self()) { 3142449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_ = true; 3143449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3144449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao soa.Self()->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 3145449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao jobject thread_peer = gRegistry->GetJObject(thread_id); 3146449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool timed_out; 3147d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* suspended_thread = ThreadList::SuspendThreadByPeer(thread_peer, true, true, 3148d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 3149449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(soa.Self()->TransitionFromSuspendedToRunnable(), kWaitingForDebuggerSuspension); 3150449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (suspended_thread == NULL) { 3151449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao // Thread terminated from under us while suspending. 3152449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = JDWP::ERR_INVALID_THREAD; 3153449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3154449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(suspended_thread, thread_); 3155449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao other_suspend_ = true; 3156449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3157449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3158449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3159449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3160449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3161449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* GetThread() const { 3162449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return thread_; 3163449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3164449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3165449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError GetError() const { 3166449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return error_; 3167449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3168449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3169449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ~ScopedThreadSuspension() { 3170449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (other_suspend_) { 3171449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Runtime::Current()->GetThreadList()->Resume(thread_, true); 3172449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3173449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3174449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3175449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao private: 3176449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* thread_; 3177449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError error_; 3178449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool self_suspend_; 3179449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool other_suspend_; 3180449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao}; 3181449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3182221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize step_size, 318300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpStepDepth step_depth) { 3184449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* self = Thread::Current(); 3185449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedThreadSuspension sts(self, thread_id); 3186449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (sts.GetError() != JDWP::ERR_NONE) { 3187449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return sts.GetError(); 31882435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31898696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 31902435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 31912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Work out what Method* we're in, the current line number, and how deep the stack currently 31922435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // is for step-out. 31932435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 31942435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 31950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SingleStepStackVisitor : public StackVisitor { 319661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz explicit SingleStepStackVisitor(Thread* thread, SingleStepControl* single_step_control, 319761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* line_number) 3198b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 319961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz : StackVisitor(thread, NULL), single_step_control_(single_step_control), 320061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz line_number_(line_number) { 320161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK_EQ(single_step_control_, thread->GetSingleStepControl()); 320261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = NULL; 320361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->stack_depth = 0; 32048696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3205ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 320600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 320700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 320800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 320961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz mirror::ArtMethod* m = GetMethod(); 32100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 321161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ++single_step_control_->stack_depth; 321261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control_->method == NULL) { 3213ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::DexCache* dex_cache = m->GetDeclaringClass()->GetDexCache(); 321461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = m; 321561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = -1; 32162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (dex_cache != NULL) { 32174445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *dex_cache->GetDexFile(); 321861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = dex_file.GetLineNumFromPC(m, GetDexPc()); 32192435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32208696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 32218696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3222530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 32238696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 322461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 322561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 322661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* const line_number_; 32278696433d1b3d8ba15288483b777edd888de69135Elliott Hughes }; 3228449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 322961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* const thread = sts.GetThread(); 323061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control = thread->GetSingleStepControl(); 323161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 323261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t line_number = -1; 323361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepStackVisitor visitor(thread, single_step_control, &line_number); 32340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 32358696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 32362435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 32372435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Find the dex_pc values that correspond to the current line, for line-based single-stepping. 32382435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 32392435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 32402435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes struct DebugCallbackContext { 3241bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz explicit DebugCallbackContext(SingleStepControl* single_step_control, int32_t line_number, 3242bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* code_item) 3243bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz : single_step_control_(single_step_control), line_number_(line_number), code_item_(code_item), 324461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz last_pc_valid(false), last_pc(0) { 32452435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32462435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 324761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz static bool Callback(void* raw_context, uint32_t address, uint32_t line_number) { 32482435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes DebugCallbackContext* context = reinterpret_cast<DebugCallbackContext*>(raw_context); 324961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (static_cast<int32_t>(line_number) == context->line_number_) { 32502435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (!context->last_pc_valid) { 32512435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything from this address until the next line change is ours. 32522435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc = address; 32532435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = true; 32542435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32552435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Otherwise, if we're already in a valid range for this line, 32562435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // just keep going (shouldn't really happen)... 32577934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom } else if (context->last_pc_valid) { // and the line number is new 32582435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Add everything from the last entry up until here to the set 32592435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = context->last_pc; dex_pc < address; ++dex_pc) { 326061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz context->single_step_control_->dex_pcs.insert(dex_pc); 32612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32622435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = false; 32632435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32647934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return false; // There may be multiple entries for any given line. 32652435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32662435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 326761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ~DebugCallbackContext() { 32682435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // If the line number was the last in the position table... 32692435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (last_pc_valid) { 3270bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz size_t end = code_item_->insns_size_in_code_units_; 32712435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = last_pc; dex_pc < end; ++dex_pc) { 327261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->dex_pcs.insert(dex_pc); 32732435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32742435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32752435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 32762435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 327761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 327861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const int32_t line_number_; 3279bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item_; 32802435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes bool last_pc_valid; 32812435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes uint32_t last_pc; 32822435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes }; 328361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->dex_pcs.clear(); 3284ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = single_step_control->method; 328561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (!m->IsNative()) { 3286bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* const code_item = m->GetCodeItem(); 3287bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz DebugCallbackContext context(single_step_control, line_number, code_item); 3288bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m->GetDexFile()->DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 3289bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DebugCallbackContext::Callback, NULL, &context); 32903e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes } 32912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 32922435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 32932435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything else... 32942435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 32952435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 329661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_size = step_size; 329761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_depth = step_depth; 329861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->is_active = true; 32998696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 33002435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (VLOG_IS_ON(jdwp)) { 330161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step thread: " << *thread; 330261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step size: " << single_step_control->step_size; 330361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step depth: " << single_step_control->step_depth; 330461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current method: " << PrettyMethod(single_step_control->method); 330561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current line: " << line_number; 330661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current stack depth: " << single_step_control->stack_depth; 33072435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "Single-step dex_pc values:"; 3308bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz for (uint32_t dex_pc : single_step_control->dex_pcs) { 3309bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz VLOG(jdwp) << StringPrintf(" %#x", dex_pc); 33102435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 33112435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 33122435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 33132435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 3314872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3315872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 331661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertzvoid Dbg::UnconfigureStep(JDWP::ObjectId thread_id) { 331761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 331861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 331961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* thread; 332061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 332187118ed6f3f99e7df33214c277cf200a7b9a7499Sebastien Hertz if (error == JDWP::ERR_NONE) { 332261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* single_step_control = thread->GetSingleStepControl(); 332361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 3324bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz single_step_control->Clear(); 332561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 3326872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3327872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 332845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughesstatic char JdwpTagToShortyChar(JDWP::JdwpTag tag) { 332945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes switch (tag) { 333045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes default: 333145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes LOG(FATAL) << "unknown JDWP tag: " << PrintableChar(tag); 333245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 333345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Primitives. 333445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BYTE: return 'B'; 333545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CHAR: return 'C'; 333645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_FLOAT: return 'F'; 333745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_DOUBLE: return 'D'; 333845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_INT: return 'I'; 333945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_LONG: return 'J'; 334045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_SHORT: return 'S'; 334145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_VOID: return 'V'; 334245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BOOLEAN: return 'Z'; 334345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 334445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Reference types. 334545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_ARRAY: 334645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_OBJECT: 334745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_STRING: 334845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD: 334945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD_GROUP: 335045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_LOADER: 335145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_OBJECT: 335245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return 'L'; 335345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 335445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes} 335545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 335688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::InvokeMethod(JDWP::ObjectId thread_id, JDWP::ObjectId object_id, 335788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::RefTypeId class_id, JDWP::MethodId method_id, 335800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint32_t arg_count, uint64_t* arg_values, 335900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* arg_types, uint32_t options, 336000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* pResultTag, uint64_t* pResultValue, 336100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* pExceptionId) { 3362d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes ThreadList* thread_list = Runtime::Current()->GetThreadList(); 3363d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3364d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes Thread* targetThread = NULL; 3365d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes DebugInvokeReq* req = NULL; 336600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 3367d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 336800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 336950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3370221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, targetThread); 3371221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 3372221229cb523f849f165fdafbf9785010963715daElliott Hughes LOG(ERROR) << "InvokeMethod request for invalid thread id " << thread_id; 3373221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 3374d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3375d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes req = targetThread->GetInvokeReq(); 3376d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (!req->ready) { 3377d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << "InvokeMethod request for thread not stopped by event: " << *targetThread; 3378d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return JDWP::ERR_INVALID_THREAD; 3379d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3380d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3381d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3382d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We currently have a bug where we don't successfully resume the 3383d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * target thread if the suspend count is too deep. We're expected to 3384d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * require one "resume" for each "suspend", but when asked to execute 3385d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a method we have to resume fully and then re-suspend it back to the 3386d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * same level. (The easiest way to cause this is to type "suspend" 3387d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * multiple times in jdb.) 3388d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3389d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * It's unclear what this means when the event specifies "resume all" 3390d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * and some threads are suspended more deeply than others. This is 3391d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a rare problem, so for now we just prevent it from hanging forever 3392d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * by rejecting the method invocation request. Without this, we will 3393d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * be stuck waiting on a suspended thread. 3394d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 339500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int suspend_count; 339600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 339750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 339800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers suspend_count = targetThread->GetSuspendCount(); 339900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 3400d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (suspend_count > 1) { 3401d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << *targetThread << " suspend count too deep for method invocation: " << suspend_count; 34027934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return JDWP::ERR_THREAD_SUSPENDED; // Probably not expected here. 3403d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3404d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 34053f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes JDWP::JdwpError status; 34062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* receiver = gRegistry->Get<mirror::Object*>(object_id); 340764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (receiver == ObjectRegistry::kInvalidObject) { 34083f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 34093f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 341045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 34112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread = gRegistry->Get<mirror::Object*>(thread_id); 341264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread == ObjectRegistry::kInvalidObject) { 34133f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 34143f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 341545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // TODO: check that 'thread' is actually a java.lang.Thread! 341645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 34172dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 341845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (c == NULL) { 34193f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return status; 34203f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 342145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3422ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 342345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic() != (receiver == NULL)) { 342445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 342545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 342645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic()) { 342745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->GetDeclaringClass() != c) { 342845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 342945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 343045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } else { 343145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { 343245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 343345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 343445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 343545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 343645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Check the argument list matches the method. 3437bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier uint32_t shorty_len = 0; 3438bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* shorty = m->GetShorty(&shorty_len); 3439bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty_len - 1 != arg_count) { 344045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 344145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 34420920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 3443bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier { 3444bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<3> hs(soa.Self()); 3445bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle(m)); 3446bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier HandleWrapper<mirror::Object> h_obj(hs.NewHandleWrapper(&receiver)); 3447bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier HandleWrapper<mirror::Class> h_klass(hs.NewHandleWrapper(&c)); 3448bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::TypeList* types = m->GetParameterTypeList(); 3449bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier for (size_t i = 0; i < arg_count; ++i) { 3450bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty[i + 1] != JdwpTagToShortyChar(arg_types[i])) { 34510920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 34520920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 34530920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 3454bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (shorty[i + 1] == 'L') { 3455bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Did we really get an argument of an appropriate reference type? 3456bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Class* parameter_type = mh.GetClassFromTypeIdx(types->GetTypeItem(i).type_idx_); 3457bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mirror::Object* argument = gRegistry->Get<mirror::Object*>(arg_values[i]); 3458bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (argument == ObjectRegistry::kInvalidObject) { 3459bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return JDWP::ERR_INVALID_OBJECT; 3460bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 3461bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (argument != NULL && !argument->InstanceOf(parameter_type)) { 3462bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier return JDWP::ERR_ILLEGAL_ARGUMENT; 3463bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 3464bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier 3465bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Turn the on-the-wire ObjectId into a jobject. 3466bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier jvalue& v = reinterpret_cast<jvalue&>(arg_values[i]); 3467bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier v.l = gRegistry->GetJObject(arg_values[i]); 3468bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier } 34690920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 3470bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier // Update in case it moved. 3471bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier m = mh.GetMethod(); 347245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 347345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3474d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->receiver = receiver; 3475d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->thread = thread; 3476d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->klass = c; 3477d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->method = m; 3478d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_count = arg_count; 3479d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_values = arg_values; 3480d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->options = options; 3481d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->invoke_needed = true; 3482d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3483d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3484d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // The fact that we've released the thread list lock is a bit risky --- if the thread goes 3485d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // away we're sitting high and dry -- but we must release this before the ResumeAllThreads 3486d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // call, and it's unwise to hold it during WaitForSuspend. 3487d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3488d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3489d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3490d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We change our (JDWP thread) status, which should be THREAD_RUNNING, 349181ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * so we can suspend for a GC if the invoke request causes us to 3492d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * run out of memory. It's also a good idea to change it before locking 3493d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the invokeReq mutex, although that should never be held for long. 3494d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 349500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSend); 3496d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 34974dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Transferring control to event thread"; 3498d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3499d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz MutexLock mu(self, req->lock); 3500d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3501d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 35024dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming all threads"; 350300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->UndoDebuggerSuspensions(); 3504d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 35054dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread only"; 3506d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3507d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3508d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3509d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Wait for the request to finish executing. 3510d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz while (req->invoke_needed) { 3511d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->cond.Wait(self); 3512d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3513d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 35144dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Control has returned from event thread"; 3515d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3516d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* wait for thread to re-suspend itself */ 3517df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom SuspendThread(thread_id, false /* request_suspension */); 351800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 3519d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3520d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3521d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3522d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Suspend the threads. We waited for the target thread to suspend 3523d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * itself, so all we need to do is suspend the others. 3524d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3525d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * The suspendAllThreads() call will double-suspend the event thread, 3526d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * so we want to resume the target thread once to keep the books straight. 3527d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3528d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 352900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 35304dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Suspending all threads"; 353100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->SuspendAllForDebugger(); 353200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 35334dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread to balance the count"; 3534d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3535d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3536d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3537d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Copy the result. 3538d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pResultTag = req->result_tag; 3539d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (IsPrimitiveTag(req->result_tag)) { 3540f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = req->result_value.GetJ(); 3541d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 3542f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = gRegistry->Add(req->result_value.GetL()); 3543d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3544d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pExceptionId = req->exception; 3545d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return req->error; 3546872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3547872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3548872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ExecuteMethod(DebugInvokeReq* pReq) { 354900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 3550d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 355181ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes // We can be called while an exception is pending. We need 3552d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // to preserve that across the method invocation. 3553eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<4> hs(soa.Self()); 3554eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_this_object = hs.NewHandle<mirror::Object>(nullptr); 3555eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_method = hs.NewHandle<mirror::ArtMethod>(nullptr); 3556eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_exception = hs.NewHandle<mirror::Throwable>(nullptr); 355762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t old_throw_dex_pc; 35589f1020305292a21fd14a402b189c765a125226abSebastien Hertz bool old_exception_report_flag; 355962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers { 356062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation old_throw_location; 356162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* old_exception_obj = soa.Self()->GetException(&old_throw_location); 3562eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_this_object.Assign(old_throw_location.GetThis()); 3563eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_method.Assign(old_throw_location.GetMethod()); 3564eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_exception.Assign(old_exception_obj); 356562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc = old_throw_location.GetDexPc(); 35669f1020305292a21fd14a402b189c765a125226abSebastien Hertz old_exception_report_flag = soa.Self()->IsExceptionReportedToInstrumentation(); 356762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 356862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 3569d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3570d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Translate the method through the vtable, unless the debugger wants to suppress it. 3571eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtMethod> m(hs.NewHandle(pReq->method)); 3572d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz if ((pReq->options & JDWP::INVOKE_NONVIRTUAL) == 0 && pReq->receiver != NULL) { 3573eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier mirror::ArtMethod* actual_method = pReq->klass->FindVirtualMethodForVirtualOrInterface(m.Get()); 3574eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (actual_method != m.Get()) { 3575eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod translated " << PrettyMethod(m.Get()) << " to " << PrettyMethod(actual_method); 3576eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier m.Assign(actual_method); 357745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 3578d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3579eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod " << PrettyMethod(m.Get()) 3580d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " receiver=" << pReq->receiver 3581d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " arg_count=" << pReq->arg_count; 3582eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier CHECK(m.Get() != nullptr); 3583d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3584d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes CHECK_EQ(sizeof(jvalue), sizeof(uint64_t)); 3585d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3586eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier pReq->result_value = InvokeWithJValues(soa, pReq->receiver, soa.EncodeMethod(m.Get()), 358753b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers reinterpret_cast<jvalue*>(pReq->arg_values)); 3588d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 358962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 359062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 359162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers pReq->exception = gRegistry->Add(exception); 3592bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier pReq->result_tag = BasicTagFromDescriptor(m.Get()->GetShorty()); 3593d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (pReq->exception != 0) { 359462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers VLOG(jdwp) << " JDWP invocation returning with exception=" << exception 359562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << " " << exception->Dump(); 3596f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes pReq->result_value.SetJ(0); 3597d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else if (pReq->result_tag == JDWP::JT_OBJECT) { 3598d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* if no exception thrown, examine object result more closely */ 35999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag new_tag = TagFromObject(soa, pReq->result_value.GetL()); 3600d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (new_tag != pReq->result_tag) { 36014dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " JDWP promoted result from " << pReq->result_tag << " to " << new_tag; 3602d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes pReq->result_tag = new_tag; 3603d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3604d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3605d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3606d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Register the object. We don't actually need an ObjectId yet, 3607d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * but we do need to be sure that the GC won't move or discard the 3608d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * object when we switch out of RUNNING. The ObjectId conversion 3609d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * will add the object to the "do not touch" list. 3610d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3611d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We can't use the "tracked allocation" mechanism here because 3612d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the object is going to be handed off to a different thread. 3613d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3614f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes gRegistry->Add(pReq->result_value.GetL()); 3615d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3616d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3617eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (old_exception.Get() != NULL) { 3618eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ThrowLocation gc_safe_throw_location(old_throw_this_object.Get(), old_throw_method.Get(), 361962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc); 3620eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier soa.Self()->SetException(gc_safe_throw_location, old_exception.Get()); 36219f1020305292a21fd14a402b189c765a125226abSebastien Hertz soa.Self()->SetExceptionReportedToInstrumentation(old_exception_report_flag); 3622d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3623872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3624872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3625d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes/* 36264b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes * "request" contains a full JDWP packet, possibly with multiple chunks. We 3627f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * need to process each, accumulate the replies, and ship the whole thing 3628f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * back. 3629f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3630f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Returns "true" if we have a reply. The reply buffer is newly allocated, 3631f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * and includes the chunk type/length, followed by the data. 3632f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 36333d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes * OLD-TODO: we currently assume that the request and reply include a single 3634f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * chunk. If this becomes inconvenient we will need to adapt. 3635f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 36364b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughesbool Dbg::DdmHandlePacket(JDWP::Request& request, uint8_t** pReplyBuf, int* pReplyLen) { 3637f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes Thread* self = Thread::Current(); 3638f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes JNIEnv* env = self->GetJniEnv(); 3639f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 36404b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t type = request.ReadUnsigned32("type"); 36414b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t length = request.ReadUnsigned32("length"); 36424b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 36434b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes // Create a byte[] corresponding to 'request'. 36444b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes size_t request_length = request.size(); 36454b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes ScopedLocalRef<jbyteArray> dataArray(env, env->NewByteArray(request_length)); 36466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (dataArray.get() == NULL) { 36474b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes LOG(WARNING) << "byte[] allocation failed: " << request_length; 3648f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3649f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3650f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 36514b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes env->SetByteArrayRegion(dataArray.get(), 0, request_length, reinterpret_cast<const jbyte*>(request.data())); 36524b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes request.Skip(request_length); 3653f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3654f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Run through and find all chunks. [Currently just find the first.] 36556a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ScopedByteArrayRO contents(env, dataArray.get()); 36564b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (length != request_length) { 3657ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers LOG(WARNING) << StringPrintf("bad chunk found (len=%u pktLen=%zd)", length, request_length); 3658f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3659f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3660f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3661f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Call "private static Chunk dispatch(int type, byte[] data, int offset, int length)". 3662eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jobject> chunk(env, env->CallStaticObjectMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3663eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch, 36644b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes type, dataArray.get(), 0, length)); 3665f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (env->ExceptionCheck()) { 3666f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(INFO) << StringPrintf("Exception thrown by dispatcher for 0x%08x", type); 3667f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionDescribe(); 3668f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3669f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3670f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3671f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 36726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (chunk.get() == NULL) { 3673f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3674f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3675f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3676f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes /* 3677f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Pull the pieces out of the chunk. We copy the results into a 3678f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * newly-allocated buffer that the caller can free. We don't want to 3679f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * continue using the Chunk object because nothing has a reference to it. 3680f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3681f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * We could avoid this by returning type/data/offset/length and having 3682f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * the caller be aware of the object lifetime issues, but that 368381ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * integrates the JDWP code more tightly into the rest of the runtime, and doesn't work 3684f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * if we have responses for multiple chunks. 3685f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3686f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * So we're pretty much stuck with copying data around multiple times. 3687f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 3688eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jbyteArray> replyData(env, reinterpret_cast<jbyteArray>(env->GetObjectField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data))); 36894b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes jint offset = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset); 3690eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes length = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length); 3691eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes type = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type); 3692f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 36934dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << StringPrintf("DDM reply: type=0x%08x data=%p offset=%d length=%d", type, replyData.get(), offset, length); 36946a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (length == 0 || replyData.get() == NULL) { 3695f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3696f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3697f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 36984b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes const int kChunkHdrLen = 8; 3699f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes uint8_t* reply = new uint8_t[length + kChunkHdrLen]; 3700f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (reply == NULL) { 3701f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(WARNING) << "malloc failed: " << (length + kChunkHdrLen); 3702f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3703f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3704f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 0, type); 3705f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 4, length); 37066a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes env->GetByteArrayRegion(replyData.get(), offset, length, reinterpret_cast<jbyte*>(reply + kChunkHdrLen)); 3707f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3708f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyBuf = reply; 3709f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyLen = length + kChunkHdrLen; 3710f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 37114b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes VLOG(jdwp) << StringPrintf("dvmHandleDdm returning type=%.4s %p len=%d", reinterpret_cast<char*>(reply), reply, length); 3712f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return true; 3713872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3714872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3715a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::DdmBroadcast(bool connect) { 37164dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Broadcasting DDM " << (connect ? "connect" : "disconnect") << "..."; 371747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 371847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes Thread* self = Thread::Current(); 371950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->GetState() != kRunnable) { 372050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers LOG(ERROR) << "DDM broadcast in thread state " << self->GetState(); 372150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers /* try anyway? */ 372247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 372347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 372447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes JNIEnv* env = self->GetJniEnv(); 372547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes jint event = connect ? 1 /*DdmServer.CONNECTED*/ : 2 /*DdmServer.DISCONNECTED*/; 3726eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes env->CallStaticVoidMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3727eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast, 3728eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes event); 372947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (env->ExceptionCheck()) { 373047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes LOG(ERROR) << "DdmServer.broadcast " << event << " failed"; 373147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionDescribe(); 373247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionClear(); 373347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 373447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 373547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3736872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmConnected() { 3737a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(true); 3738872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3739872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3740872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmDisconnected() { 3741a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(false); 374247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = false; 374347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 374447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 374547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes/* 37468218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes * Send a notification when a thread starts, stops, or changes its name. 374747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * 374847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * Because we broadcast the full set of threads when the notifications are 374947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * first enabled, it's possible for "thread" to be actively executing. 375047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes */ 37518218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendThreadNotification(Thread* t, uint32_t type) { 375247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (!gDdmThreadNotification) { 375347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes return; 375447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 375547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 37568218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes if (type == CHUNK_TYPE("THDE")) { 37578218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes uint8_t buf[4]; 3758d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Set4BE(&buf[0], t->GetThreadId()); 37598218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("THDE"), 4, buf); 37608218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes } else { 37618218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes CHECK(type == CHUNK_TYPE("THCR") || type == CHUNK_TYPE("THNM")) << type; 376200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 3763eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 3764eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::String> name(hs.NewHandle(t->GetThreadName(soa))); 3765eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier size_t char_count = (name.Get() != NULL) ? name->GetLength() : 0; 3766eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier const jchar* chars = (name.Get() != NULL) ? name->GetCharArray()->GetData() : NULL; 376747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 376821f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3769d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Append4BE(bytes, t->GetThreadId()); 3770545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::AppendUtf16BE(bytes, chars, char_count); 377121f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), char_count*2 + sizeof(uint32_t)*2); 377221f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(type, bytes); 377347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 377447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 377547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 377647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::DdmSetThreadNotification(bool enable) { 377700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Enable/disable thread notifications. 377847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = enable; 377947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (enable) { 378000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend the VM then post thread start notifications for all threads. Threads attaching will 378100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // see a suspension in progress and block until that ends. They then post their own start 378200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // notification. 378300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers SuspendVM(); 378400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::list<Thread*> threads; 378550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 378600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 378750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, *Locks::thread_list_lock_); 378800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers threads = Runtime::Current()->GetThreadList()->GetList(); 378900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 379000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 379150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 379202e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (Thread* thread : threads) { 379302e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier Dbg::DdmSendThreadNotification(thread, CHUNK_TYPE("THCR")); 379400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 379500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 379600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ResumeVM(); 379747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 379847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 379947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3800a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::PostThreadStartOrStop(Thread* t, uint32_t type) { 3801c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (IsDebuggerActive()) { 3802dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 3803cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers JDWP::ObjectId id = gRegistry->Add(t->GetPeer()); 38048218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes gJdwpState->PostThreadChange(id, type == CHUNK_TYPE("THCR")); 380547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 38068218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendThreadNotification(t, type); 380747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 380847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 380947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadStart(Thread* t) { 3810a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THCR")); 381147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 381247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 381347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadDeath(Thread* t) { 3814a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THDE")); 3815872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3816872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 38178218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, size_t byte_count, const uint8_t* buf) { 38183bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(buf != NULL); 38193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes iovec vec[1]; 38203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_base = reinterpret_cast<void*>(const_cast<uint8_t*>(buf)); 38213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_len = byte_count; 38223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Dbg::DdmSendChunkV(type, vec, 1); 3823872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3824872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 382521f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, const std::vector<uint8_t>& bytes) { 382621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes DdmSendChunk(type, bytes.size(), &bytes[0]); 382721f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes} 382821f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes 3829f52935278fca8c7aa220543eef4544e3d1105d91Brian Carlstromvoid Dbg::DdmSendChunkV(uint32_t type, const iovec* iov, int iov_count) { 38303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (gJdwpState == NULL) { 38314dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Debugger thread not active, ignoring DDM send: " << type; 38323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 3833cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes gJdwpState->DdmSendChunkV(type, iov, iov_count); 38343bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 3835872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3836872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3837767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesint Dbg::DdmHandleHpifChunk(HpifWhen when) { 3838767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when == HPIF_WHEN_NOW) { 38397162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(when); 3840767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3841767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3842767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3843767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPIF_WHEN_NEVER && when != HPIF_WHEN_NEXT_GC && when != HPIF_WHEN_EVERY_GC) { 3844767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpifWhen value: " << static_cast<int>(when); 3845767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3846767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3847767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3848767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpifWhen = when; 3849767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3850767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3851767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3852767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesbool Dbg::DdmHandleHpsgNhsgChunk(Dbg::HpsgWhen when, Dbg::HpsgWhat what, bool native) { 3853767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPSG_WHEN_NEVER && when != HPSG_WHEN_EVERY_GC) { 3854767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhen value: " << static_cast<int>(when); 3855767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3856767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3857767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3858767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (what != HPSG_WHAT_MERGED_OBJECTS && what != HPSG_WHAT_DISTINCT_OBJECTS) { 3859767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhat value: " << static_cast<int>(what); 3860767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3861767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3862767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3863767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (native) { 3864767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhen = when; 3865767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhat = what; 3866767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } else { 3867767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhen = when; 3868767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhat = what; 3869767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3870767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3871767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3872767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 38737162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughesvoid Dbg::DdmSendHeapInfo(HpifWhen reason) { 38747162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes // If there's a one-shot 'when', reset it. 38757162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (reason == gDdmHpifWhen) { 38767162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (gDdmHpifWhen == HPIF_WHEN_NEXT_GC) { 38777162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes gDdmHpifWhen = HPIF_WHEN_NEVER; 38787162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 38797162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 38807162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes 38817162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes /* 38827162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Chunk HPIF (client --> server) 38837162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 38847162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Heap Info. General information about the heap, 38857162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * suitable for a summary display. 38867162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 38877162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: number of heaps 38887162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 38897162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * For each heap: 38907162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: heap ID 38917162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u8]: timestamp in ms since Unix epoch 38927162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u1]: capture reason (same as 'when' value from server) 38937162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: max heap size in bytes (-Xmx) 38947162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current heap size in bytes 38957162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of bytes allocated 38967162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of objects allocated 38977162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes */ 38987162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes uint8_t heap_count = 1; 38991d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 390021f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3901545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append4BE(bytes, heap_count); 39027934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 1); // Heap id (bogus; we only have one heap). 3903545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append8BE(bytes, MilliTime()); 3904545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append1BE(bytes, reason); 39057934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetMaxMemory()); // Max allowed heap size in bytes. 39067934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetTotalMemory()); // Current heap size in bytes. 3907b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetBytesAllocated()); 3908b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetObjectsAllocated()); 390921f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), 4U + (heap_count * (4 + 8 + 1 + 4 + 4 + 4 + 4))); 391021f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("HPIF"), bytes); 3911767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3912767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 39136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgSolidity { 39146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FREE = 0, 39156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_HARD = 1, 39166a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SOFT = 2, 39176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_WEAK = 3, 39186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_PHANTOM = 4, 39196a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FINALIZABLE = 5, 39206a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SWEEP = 6, 39216a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 39226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgKind { 39246a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_OBJECT = 0, 39256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_CLASS_OBJECT = 1, 39266a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_1 = 2, 39276a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_2 = 3, 39286a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_4 = 4, 39296a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_8 = 5, 39306a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_UNKNOWN = 6, 39316a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_NATIVE = 7, 39326a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 39336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39346a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_PARTIAL (1<<7) 39356a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_STATE(solidity, kind) ((uint8_t)((((kind) & 0x7) << 3) | ((solidity) & 0x7))) 39366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 393730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogersclass HeapChunkContext { 393830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers public: 39396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Maximum chunk size. Obtain this from the formula: 39406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // (((maximum_heap_size / ALLOCATION_UNIT_SIZE) + 255) / 256) * 2 39416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes HeapChunkContext(bool merge, bool native) 394230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers : buf_(16384 - 16), 394330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_(0), 394430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers merge_(merge) { 39456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 39466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (native) { 394730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = CHUNK_TYPE("NHSG"); 39486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 394930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = merge ? CHUNK_TYPE("HPSG") : CHUNK_TYPE("HPSO"); 39506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39516a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39526a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39536a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ~HeapChunkContext() { 395430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (p_ > &buf_[0]) { 39556a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Flush(); 39566a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39576a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39586a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39596a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void EnsureHeader(const void* chunk_ptr) { 396030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (!needHeader_) { 39616a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 39626a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39636a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39646a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Start a new HPSx chunk. 39657934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 1); // Heap id (bogus; we only have one heap). 39667934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write1BE(&p_, 8); // Size of allocation unit, in bytes. 39676a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39687934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, reinterpret_cast<uintptr_t>(chunk_ptr)); // virtual address of segment start. 39697934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 0); // offset of this piece (relative to the virtual address). 39706a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // [u4]: length of piece, in allocation units 39716a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // We won't know this until we're done, so save the offset and stuff in a dummy value. 397230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = p_; 397330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Write4BE(&p_, 0x55555555); 397430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = false; 39756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39766a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3977b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers void Flush() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3978d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers if (pieceLenField_ == NULL) { 3979d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers // Flush immediately post Reset (maybe back-to-back Flush). Ignore. 3980d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers CHECK(needHeader_); 3981d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers return; 3982d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers } 39836a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Patch the "length of piece" field. 398430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(&buf_[0], pieceLenField_); 398530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(pieceLenField_, p_); 398630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Set4BE(pieceLenField_, totalAllocationUnits_); 39876a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 398830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers Dbg::DdmSendChunk(type_, p_ - &buf_[0], &buf_[0]); 39896a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 39906a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 399200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers static void HeapChunkCallback(void* start, void* end, size_t used_bytes, void* arg) 3993b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 3994b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 399530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers reinterpret_cast<HeapChunkContext*>(arg)->HeapChunkCallback(start, end, used_bytes); 3996a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 3997a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 39986a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes private: 3999a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes enum { ALLOCATION_UNIT_SIZE = 8 }; 4000a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 40016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void Reset() { 400230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers p_ = &buf_[0]; 400315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 400430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers totalAllocationUnits_ = 0; 400530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = true; 400630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = NULL; 40076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 40086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 400900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void HeapChunkCallback(void* start, void* /*end*/, size_t used_bytes) 4010b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 4011b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 401230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // Note: heap call backs cannot manipulate the heap upon which they are crawling, care is taken 401330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // in the following code not to allocate memory, by ensuring buf_ is of the correct size 401415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (used_bytes == 0) { 401515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start == NULL) { 401615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Reset for start of new heap. 401715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 401815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 401915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 402015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Only process in use memory so that free region information 402115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // also includes dlmalloc book keeping. 4022a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 4023a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 40246a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 402515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers /* If we're looking at the native heap, we'll just return 402615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers * (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks 402715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers */ 402815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool native = type_ == CHUNK_TYPE("NHSG"); 402915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 403015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (startOfNextMemoryChunk_ != NULL) { 403115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Transmit any pending free memory. Native free memory of 403215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // over kMaxFreeLen could be because of the use of mmaps, so 403315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // don't report. If not free memory then start a new segment. 403415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool flush = true; 403515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start > startOfNextMemoryChunk_) { 403615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t kMaxFreeLen = 2 * kPageSize; 403715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeStart = startOfNextMemoryChunk_; 403815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeEnd = start; 40392d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom size_t freeLen = reinterpret_cast<char*>(freeEnd) - reinterpret_cast<char*>(freeStart); 404015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (!native || freeLen < kMaxFreeLen) { 404115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(HPSG_STATE(SOLIDITY_FREE, 0), freeStart, freeLen); 404215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers flush = false; 404315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 404415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 404515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (flush) { 404615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 404715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 404815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 404915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 4050ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* obj = reinterpret_cast<mirror::Object*>(start); 4051a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 4052a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Determine the type of this chunk. 4053a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // OLD-TODO: if context.merge, see if this chunk is different from the last chunk. 4054a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If it's the same, we should combine them. 405515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers uint8_t state = ExamineObject(obj, native); 405615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // dlmalloc's chunk header is 2 * sizeof(size_t), but if the previous chunk is in use for an 405715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // allocation then the first sizeof(size_t) may belong to it. 405815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t dlMallocOverhead = sizeof(size_t); 405915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(state, start, used_bytes + dlMallocOverhead); 40602d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom startOfNextMemoryChunk_ = reinterpret_cast<char*>(start) + used_bytes + dlMallocOverhead; 406115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 406215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 406315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void AppendChunk(uint8_t state, void* ptr, size_t length) 4064b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 406515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Make sure there's enough room left in the buffer. 406615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // We need to use two bytes for every fractional 256 allocation units used by the chunk plus 406715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // 17 bytes for any header. 406815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t needed = (((length/ALLOCATION_UNIT_SIZE + 255) / 256) * 2) + 17; 406915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 407015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 407115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 407215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 4073a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 407415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 407515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 407615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(WARNING) << "Chunk is too big to transmit (chunk_len=" << length << ", " 407715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers << needed << " bytes)"; 407815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return; 407915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 408015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers EnsureHeader(ptr); 4081a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Write out the chunk description. 408215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length /= ALLOCATION_UNIT_SIZE; // Convert to allocation units. 408315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers totalAllocationUnits_ += length; 408415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers while (length > 256) { 408530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state | HPSG_PARTIAL; 408630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = 255; // length - 1 408715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length -= 256; 4088a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 408930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state; 409015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers *p_++ = length - 1; 40916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 40926a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4093ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint8_t ExamineObject(mirror::Object* o, bool is_native_heap) 4094ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::heap_bitmap_lock_) { 4095a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o == NULL) { 4096a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_FREE, 0); 4097a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 40986a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4099a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // It's an allocated chunk. Figure out what it is. 41006a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4101a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If we're looking at the native heap, we'll just return 4102a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks. 410300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (is_native_heap) { 4104a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 41056a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41066a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41075bfa60ffcc953340feb711ed05cf576ac821905eIan Rogers if (!Runtime::Current()->GetHeap()->IsLiveObjectLocked(o)) { 410815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 410900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 411000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 41112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = o->GetClass(); 4112a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c == NULL) { 4113a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // The object was probably just created but hasn't been initialized yet. 4114a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 4115a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 41166a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4117590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(c)) { 411815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(ERROR) << "Invalid class for managed heap object: " << o << " " << c; 4119a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_UNKNOWN); 4120a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 41216a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4122a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsClassClass()) { 4123a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_CLASS_OBJECT); 41246a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4126a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 4127a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o->IsObjectArray()) { 4128a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 4129a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 4130a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes switch (c->GetComponentSize()) { 4131a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 1: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_1); 4132a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 2: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_2); 4133a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 4: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 4134a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 8: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_8); 4135a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 41366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41376a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4138a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 41396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 414130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers std::vector<uint8_t> buf_; 414230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* p_; 414330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* pieceLenField_; 414415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* startOfNextMemoryChunk_; 414530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers size_t totalAllocationUnits_; 414630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint32_t type_; 414730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool merge_; 414830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool needHeader_; 414930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers 4150a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes DISALLOW_COPY_AND_ASSIGN(HeapChunkContext); 4151a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes}; 41526a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41536a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesvoid Dbg::DdmSendHeapSegments(bool native) { 41546a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhen when; 41556a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhat what; 41566a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (!native) { 41576a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmHpsgWhen; 41586a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmHpsgWhat; 41596a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 41606a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmNhsgWhen; 41616a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmNhsgWhat; 41626a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41636a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (when == HPSG_WHEN_NEVER) { 41646a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 41656a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 41666a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41676a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Figure out what kind of chunks we'll be sending. 41686a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes CHECK(what == HPSG_WHAT_MERGED_OBJECTS || what == HPSG_WHAT_DISTINCT_OBJECTS) << static_cast<int>(what); 41696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 41706a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // First, send a heap start chunk. 41716a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes uint8_t heap_id[4]; 41727934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Set4BE(&heap_id[0], 1); // Heap id (bogus; we only have one heap). 41736a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHST") : CHUNK_TYPE("HPST"), sizeof(heap_id), heap_id); 41746a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4175cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Thread* self = Thread::Current(); 4176cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 4177cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // To allow the Walk/InspectAll() below to exclusively-lock the 4178cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock, temporarily release the shared access to the 4179cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock here by transitioning to the suspended state. 4180cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 4181cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromRunnableToSuspended(kSuspended); 4182cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 41836a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Send a series of heap segment chunks. 4184a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes HeapChunkContext context((what == HPSG_WHAT_MERGED_OBJECTS), native); 4185a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (native) { 4186c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#ifdef USE_DLMALLOC 41871d54e73444e017d3a65234e0f193846f3e27472bIan Rogers dlmalloc_inspect_all(HeapChunkContext::HeapChunkCallback, &context); 4188c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#else 4189c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris UNIMPLEMENTED(WARNING) << "Native heap inspection is only supported with dlmalloc"; 4190c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#endif 4191a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 41921d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 41931d54e73444e017d3a65234e0f193846f3e27472bIan Rogers const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 41941d54e73444e017d3a65234e0f193846f3e27472bIan Rogers typedef std::vector<gc::space::ContinuousSpace*>::const_iterator It; 41951d54e73444e017d3a65234e0f193846f3e27472bIan Rogers for (It cur = spaces.begin(), end = spaces.end(); cur != end; ++cur) { 4196cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi if ((*cur)->IsMallocSpace()) { 4197cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi (*cur)->AsMallocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4198b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 4199b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 4200e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier // Walk the large objects, these are not in the AllocSpace. 4201e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier heap->GetLargeObjectsSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4202a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 42036a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4204cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Shared-lock the mutator lock back. 4205cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromSuspendedToRunnable(); 4206cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 4207cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 42086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Finally, send a heap end chunk. 42096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHEN") : CHUNK_TYPE("HPEN"), sizeof(heap_id), heap_id); 4210767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4211767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4212b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughesstatic size_t GetAllocTrackerMax() { 4213b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#ifdef HAVE_ANDROID_OS 4214b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes // Check whether there's a system property overriding the number of records. 4215b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes const char* propertyName = "dalvik.vm.allocTrackerMax"; 4216b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char allocRecordMaxString[PROPERTY_VALUE_MAX]; 4217b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (property_get(propertyName, allocRecordMaxString, "") > 0) { 4218b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char* end; 4219b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes size_t value = strtoul(allocRecordMaxString, &end, 10); 4220b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (*end != '\0') { 42213e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 42223e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- invalid"; 4223b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4224b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4225b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (!IsPowerOfTwo(value)) { 42263e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 42273e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- not power of two"; 4228b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4229b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4230b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return value; 4231b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4232b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#endif 4233b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4234b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes} 4235b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes 4236545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::SetAllocTrackingEnabled(bool enabled) { 4237545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (enabled) { 4238b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4239b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4240b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz if (recent_allocation_records_ == NULL) { 4241b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_max_ = GetAllocTrackerMax(); 4242b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz LOG(INFO) << "Enabling alloc tracker (" << alloc_record_max_ << " entries of " 4243b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << kMaxAllocRecordStackDepth << " frames, taking " 4244b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << PrettySize(sizeof(AllocRecord) * alloc_record_max_) << ")"; 4245b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_head_ = alloc_record_count_ = 0; 4246b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = new AllocRecord[alloc_record_max_]; 4247b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz CHECK(recent_allocation_records_ != NULL); 4248b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4249545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4250fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints(); 4251545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } else { 4252fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints(); 4253b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4254b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 42554345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier LOG(INFO) << "Disabling alloc tracker"; 4256b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz delete[] recent_allocation_records_; 4257b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = NULL; 42584345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier type_cache_.Clear(); 4259b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4260545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4261545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4262545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 42630399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct AllocRecordStackVisitor : public StackVisitor { 42647a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor(Thread* thread, AllocRecord* record) 4265b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 42667a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), record(record), depth(0) {} 4267545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 426800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 426900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 427000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 4271545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (depth >= kMaxAllocRecordStackDepth) { 4272530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 4273545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4274ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 42750399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 4276b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetMethod(m); 4277b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetDexPc(GetDexPc()); 4278530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes ++depth; 4279545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4280530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 4281545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4282545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4283545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ~AllocRecordStackVisitor() { 4284545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Clear out any unused stack trace elements. 4285545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (; depth < kMaxAllocRecordStackDepth; ++depth) { 4286b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetMethod(nullptr); 4287b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->StackElement(depth)->SetDexPc(0); 4288545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4289545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4290545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4291545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record; 4292545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth; 4293545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4294545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 42952dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::RecordAllocation(mirror::Class* type, size_t byte_count) { 4296545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes Thread* self = Thread::Current(); 4297545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes CHECK(self != NULL); 4298545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4299719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 4300545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4301545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4302545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4303545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4304545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Advance and clip. 4305719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (++alloc_record_head_ == alloc_record_max_) { 4306719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_record_head_ = 0; 4307545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4308545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4309545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the basics. 4310719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[alloc_record_head_]; 4311b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetType(type); 4312b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetByteCount(byte_count); 4313b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi record->SetThinLockId(self->GetThreadId()); 4314545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4315545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the stack trace. 43167a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor visitor(self, record); 43170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 4318545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4319719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (alloc_record_count_ < alloc_record_max_) { 4320719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers ++alloc_record_count_; 4321545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4322545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4323545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4324a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// Returns the index of the head element. 4325a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4326a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We point at the most-recently-written record, so if gAllocRecordCount is 1 4327a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// we want to use the current element. Take "head+1" and subtract count 4328a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// from it. 4329a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4330a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We need to handle underflow in our circular buffer, so we add 4331b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes// gAllocRecordMax and then mask it back down. 4332719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::HeadIndex() { 4333719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers return (Dbg::alloc_record_head_ + 1 + Dbg::alloc_record_max_ - Dbg::alloc_record_count_) & 4334719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers (Dbg::alloc_record_max_ - 1); 4335545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4336545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4337545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::DumpRecentAllocations() { 433800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 4339719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(soa.Self(), *alloc_tracker_lock_); 4340545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4341545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << "Not recording tracked allocations"; 4342545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4343545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4344545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4345545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // "i" is the head of the list. We want to start at the end of the 4346545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // list and move forward to the tail. 4347a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t i = HeadIndex(); 4348719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t count = alloc_record_count_; 4349545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4350719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "Tracked allocations, (head=" << alloc_record_head_ << " count=" << count << ")"; 4351545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (count--) { 4352545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record = &recent_allocation_records_[i]; 4353545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4354b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi LOG(INFO) << StringPrintf(" Thread %-2d %6zd bytes ", record->ThinLockId(), record->ByteCount()) 4355b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi << PrettyClass(record->Type()); 4356545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4357545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 4358b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi AllocRecordStackTraceElement* stack_element = record->StackElement(stack_frame); 4359b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = stack_element->Method(); 4360545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (m == NULL) { 4361545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes break; 4362545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4363b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi LOG(INFO) << " " << PrettyMethod(m) << " line " << stack_element->LineNumber(); 4364545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4365545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4366545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // pause periodically to help logcat catch up 4367545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if ((count % 5) == 0) { 4368545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes usleep(40000); 4369545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4370545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4371719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4372545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4373545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4374545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4375545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesclass StringTable { 4376545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes public: 4377545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes StringTable() { 4378545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4379545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 43804345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier void Add(const std::string& str) { 43814345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier table_.insert(str); 43824345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier } 43834345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier 43844345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier void Add(const char* str) { 43854345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier table_.insert(str); 4386545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4387545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4388a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t IndexOf(const char* s) const { 438902e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier auto it = table_.find(s); 4390a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes if (it == table_.end()) { 4391a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(FATAL) << "IndexOf(\"" << s << "\") failed"; 4392a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes } 4393a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes return std::distance(table_.begin(), it); 4394545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4395545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4396a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t Size() const { 4397545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return table_.size(); 4398545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4399545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4400a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes void WriteTo(std::vector<uint8_t>& bytes) const { 440102e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::string& str : table_) { 440202e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const char* s = str.c_str(); 44036d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers size_t s_len = CountModifiedUtf8Chars(s); 4404700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<uint16_t> s_utf16(new uint16_t[s_len]); 44056d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ConvertModifiedUtf8ToUtf16(s_utf16.get(), s); 44066d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::AppendUtf16BE(bytes, s_utf16.get(), s_len); 4407545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4408545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4409545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4410545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes private: 4411a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes std::set<std::string> table_; 4412545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DISALLOW_COPY_AND_ASSIGN(StringTable); 4413545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4414545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4415bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartierstatic const char* GetMethodSourceFile(mirror::ArtMethod* method) 4416280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4417bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier DCHECK(method != nullptr); 4418bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const char* source_file = method->GetDeclaringClassSourceFile(); 4419280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz return (source_file != nullptr) ? source_file : ""; 4420280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz} 4421280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz 4422545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes/* 4423545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The data we send to DDMS contains everything we have recorded. 4424545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4425545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * Message header (all values big-endian): 4426545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) message header len (to allow future expansion); includes itself 4427545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) entry header len 4428545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack frame len 4429545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of entries 4430545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) offset to string table from start of message 4431545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of class name strings 4432545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of method name strings 4433545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of source file name strings 4434545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each entry: 4435545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) total allocation size 4436221229cb523f849f165fdafbf9785010963715daElliott Hughes * (2b) thread id 4437545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) allocated object's class name index 4438545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack depth 4439545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each stack frame: 4440545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method's class name 4441545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method name 4442545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method source file 4443545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) line number, clipped to 32767; -2 if native; -1 if no source 4444545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) class name strings 4445545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) method name strings 4446545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) source file strings 4447545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4448545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * As with other DDM traffic, strings are sent as a 4-byte length 4449545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * followed by UTF-16 data. 4450545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4451545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We send up 16-bit unsigned indexes into string tables. In theory there 4452b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes * can be (kMaxAllocRecordStackDepth * gAllocRecordMax) unique strings in 4453545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * each table, but in practice there should be far fewer. 4454545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4455545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The chief reason for using a string table here is to keep the size of 4456545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * the DDMS message to a minimum. This is partly to make the protocol 4457545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * efficient, but also because we have to form the whole thing up all at 4458545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * once in a memory buffer. 4459545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4460545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We use separate string tables for class names, method names, and source 4461545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * files to keep the indexes small. There will generally be no overlap 4462545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * between the contents of these tables. 4463545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes */ 4464545a064aca775ba801790fced3d713d8a87bfc61Elliott HughesjbyteArray Dbg::GetRecentAllocations() { 4465545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (false) { 4466545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DumpRecentAllocations(); 4467545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4468545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 446950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 447046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier std::vector<uint8_t> bytes; 447146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier { 4472719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 447346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 447446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 1: generate string tables. 447546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 447646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable class_names; 447746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable method_names; 447846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable filenames; 447946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4480719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers int count = alloc_record_count_; 448146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier int idx = HeadIndex(); 448246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 448346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 44844345c46b8a927cf13d9bbe38f8cf0593f5de181bMathieu Chartier class_names.Add(record->Type()->GetDescriptor()); 448546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t i = 0; i < kMaxAllocRecordStackDepth; i++) { 4486b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = record->StackElement(i)->Method(); 448746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier if (m != NULL) { 4488bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier class_names.Add(m->GetDeclaringClassDescriptor()); 4489bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier method_names.Add(m->GetName()); 4490bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier filenames.Add(GetMethodSourceFile(m)); 449146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 449246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 4493545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4494719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 449546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 449646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4497719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "allocation records: " << alloc_record_count_; 449846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 449946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 450046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 2: Generate the output and store it in the buffer. 450146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 450246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 450346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) message header len (to allow future expansion); includes itself 450446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) entry header len 450546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack frame len 450646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kMessageHeaderLen = 15; 450746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kEntryHeaderLen = 9; 450846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kStackFrameLen = 8; 450946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kMessageHeaderLen); 451046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kEntryHeaderLen); 451146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kStackFrameLen); 451246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 451346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of entries 451446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) offset to string table from start of message 451546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of class name strings 451646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of method name strings 451746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of source file name strings 4518719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers JDWP::Append2BE(bytes, alloc_record_count_); 451946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t string_table_offset = bytes.size(); 45207934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 0); // We'll patch this later... 452146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_names.Size()); 452246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_names.Size()); 452346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, filenames.Size()); 452446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4525719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers count = alloc_record_count_; 452646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier idx = HeadIndex(); 452746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 452846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each entry: 452946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) total allocation size 453046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) thread id 453146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) allocated object's class name index 453246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack depth 453346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 453446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t stack_depth = record->GetDepth(); 4535f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t allocated_object_class_name_index = 4536b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi class_names.IndexOf(record->Type()->GetDescriptor().c_str()); 4537b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append4BE(bytes, record->ByteCount()); 4538b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append2BE(bytes, record->ThinLockId()); 453946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, allocated_object_class_name_index); 454046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, stack_depth); 454146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 454246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t stack_frame = 0; stack_frame < stack_depth; ++stack_frame) { 454346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each stack frame: 454446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method's class name 454546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method name 454646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method source file 454746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) line number, clipped to 32767; -2 if native; -1 if no source 4548b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi mirror::ArtMethod* m = record->StackElement(stack_frame)->Method(); 4549bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t class_name_index = class_names.IndexOf(m->GetDeclaringClassDescriptor()); 4550bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t method_name_index = method_names.IndexOf(m->GetName()); 4551bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier size_t file_name_index = filenames.IndexOf(GetMethodSourceFile(m)); 455246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_name_index); 455346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_name_index); 455446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, file_name_index); 4555b5a9e3d1cc1fd66683e43e365afc8c900e2800c4Hiroshi Yamauchi JDWP::Append2BE(bytes, record->StackElement(stack_frame)->LineNumber()); 4556545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 455746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4558719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 4559545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4560545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 456146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) class name strings 456246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) method name strings 456346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) source file strings 456446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Set4BE(&bytes[string_table_offset], bytes.size()); 456546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.WriteTo(bytes); 456646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.WriteTo(bytes); 456746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier filenames.WriteTo(bytes); 4568545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 456950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers JNIEnv* env = self->GetJniEnv(); 4570545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes jbyteArray result = env->NewByteArray(bytes.size()); 4571545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (result != NULL) { 4572545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes env->SetByteArrayRegion(result, 0, bytes.size(), reinterpret_cast<const jbyte*>(&bytes[0])); 4573545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4574545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return result; 4575545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4576545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 45770ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchimirror::ArtMethod* DeoptimizationRequest::Method() const { 45780ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 45790ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi return soa.DecodeMethod(method_); 45800ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi} 45810ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 45820ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchivoid DeoptimizationRequest::SetMethod(mirror::ArtMethod* m) { 45830ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi ScopedObjectAccessUnchecked soa(Thread::Current()); 45840ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi method_ = soa.EncodeMethod(m); 45850ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi} 45860ec17d2ddb69d3f5c46ccad62e82c0ffd6219428Hiroshi Yamauchi 4587872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace art 4588