debugger.cc revision bb43b433c845e253a11346f0f03706d58a44f23c
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" 281d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 291d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/large_object_space.h" 301d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space-inl.h" 3164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "jdwp/object_registry.h" 32ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 33ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 392dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 406d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers#include "object_utils.h" 41a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz#include "quick/inline_method_analyser.h" 4253b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers#include "reflection.h" 43a0e180632411f7fe0edf454e571c42209ee7b540Elliott Hughes#include "safe_map.h" 4464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "scoped_thread_state_change.h" 456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#include "ScopedLocalRef.h" 46f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes#include "ScopedPrimitiveArray.h" 471f5393447b9f45be7918042d9ee7b521376de866Ian Rogers#include "sirt_ref.h" 4847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes#include "stack_indirect_reference_table.h" 49475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes#include "thread_list.h" 5062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "throw_location.h" 512dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "utf.h" 52a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz#include "verifier/method_verifier-inl.h" 53eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "well_known_classes.h" 54475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 553d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#ifdef HAVE_ANDROID_OS 563d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#include "cutils/properties.h" 573d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#endif 583d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom 59872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesnamespace art { 60872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 617934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstromstatic const size_t kMaxAllocRecordStackDepth = 16; // Max 255. 627934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstromstatic const size_t kDefaultNumAllocRecords = 64*1024; // Must be a power of 2. 63475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 64545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesstruct AllocRecordStackTraceElement { 65ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method; 660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint32_t dex_pc; 67545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 68412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier AllocRecordStackTraceElement() : method(nullptr), dex_pc(0) { 69412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 70412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 71b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers int32_t LineNumber() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return MethodHelper(method).GetLineNumFromDexPC(dex_pc); 73545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 74545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 75545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 76545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesstruct AllocRecord { 772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* type; 78545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t byte_count; 79545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes uint16_t thin_lock_id; 807934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom AllocRecordStackTraceElement stack[kMaxAllocRecordStackDepth]; // Unused entries have NULL method. 81545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 82545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t GetDepth() { 83545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth = 0; 84545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (depth < kMaxAllocRecordStackDepth && stack[depth].method != NULL) { 85545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ++depth; 86545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 87545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return depth; 88545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 89412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 9083c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier void UpdateObjectPointers(IsMarkedCallback* callback, void* arg) 91412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 92412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (type != nullptr) { 9383c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier type = down_cast<mirror::Class*>(callback(type, arg)); 94412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 95412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 96412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier mirror::ArtMethod*& m = stack[stack_frame].method; 97412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (m == nullptr) { 98412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier break; 99412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 10083c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier m = down_cast<mirror::ArtMethod*>(callback(m, arg)); 101412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 102412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 103545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 104545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 1058696433d1b3d8ba15288483b777edd888de69135Elliott Hughesstruct Breakpoint { 106a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // The location of this breakpoint. 107ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method; 108a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes uint32_t dex_pc; 109a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 110a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Indicates whether breakpoint needs full deoptimization or selective deoptimization. 111a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization; 112a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 113a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz Breakpoint(mirror::ArtMethod* method, uint32_t dex_pc, bool need_full_deoptimization) 114a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz : method(method), dex_pc(dex_pc), need_full_deoptimization(need_full_deoptimization) {} 1153b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 1163b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier void VisitRoots(RootCallback* callback, void* arg) { 1173b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 1183b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, 0, kRootDebugger); 1193b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 1203b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 1218696433d1b3d8ba15288483b777edd888de69135Elliott Hughes}; 1228696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 12300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic std::ostream& operator<<(std::ostream& os, const Breakpoint& rhs) 124b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 125229feb7a09317919ee51c06d1c3e715cea25da75Elliott Hughes os << StringPrintf("Breakpoint[%s @%#x]", PrettyMethod(rhs.method).c_str(), rhs.dex_pc); 1268696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return os; 1278696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 1288696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 12962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersclass DebugInstrumentationListener : public instrumentation::InstrumentationListener { 13062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers public: 13162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DebugInstrumentationListener() {} 13262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~DebugInstrumentationListener() {} 13362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 13462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodEntered(Thread* thread, mirror::Object* this_object, 135ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) 13662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 13762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (method->IsNative()) { 13862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: post location events is a suspension point and native method entry stubs aren't. 13962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return; 14062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 141579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::PostLocationEvent(method, 0, this_object, Dbg::kMethodEntry, nullptr); 14262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 14362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 14462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void MethodExited(Thread* thread, mirror::Object* this_object, 145ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, 14662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t dex_pc, const JValue& return_value) 14762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 14862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (method->IsNative()) { 14962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: post location events is a suspension point and native method entry stubs aren't. 15062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return; 15162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 152579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::PostLocationEvent(method, dex_pc, this_object, Dbg::kMethodExit, &return_value); 15362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 15462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 15551db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz virtual void MethodUnwind(Thread* thread, mirror::Object* this_object, 156ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t dex_pc) 15751db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 15862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // We're not recorded to listen to this kind of event, so complain. 15962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(ERROR) << "Unexpected method unwind event in debugger " << PrettyMethod(method) 16051db44a194bafc3810a41164a8b39614f10e79dfSebastien Hertz << " " << dex_pc; 16162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 16262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 16362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void DexPcMoved(Thread* thread, mirror::Object* this_object, 164ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* method, uint32_t new_dex_pc) 16562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 16662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Dbg::UpdateDebugger(thread, this_object, method, new_dex_pc); 16762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 16862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 16962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual void ExceptionCaught(Thread* thread, const ThrowLocation& throw_location, 170ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, uint32_t catch_dex_pc, 17162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception_object) 17262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 17362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Dbg::PostException(thread, throw_location, catch_method, catch_dex_pc, exception_object); 17462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 17562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} gDebugInstrumentationListener; 17662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1774ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes// JDWP is allowed unless the Zygote forbids it. 1784ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesstatic bool gJdwpAllowed = true; 1794ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 180c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Was there a -Xrunjdwp or -agentlib:jdwp= argument on the command line? 1813bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gJdwpConfigured = false; 1823bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 183c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Broken-down JDWP options. (Only valid if IsJdwpConfigured() is true.) 184376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesstatic JDWP::JdwpOptions gJdwpOptions; 1853bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 1863bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes// Runtime JDWP state. 1873bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic JDWP::JdwpState* gJdwpState = NULL; 1883bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerConnected; // debugger or DDMS is connected. 1893bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerActive; // debugger is making requests. 1908696433d1b3d8ba15288483b777edd888de69135Elliott Hughesstatic bool gDisposed; // debugger called VirtualMachine.Dispose, so we should drop the connection. 1913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 19247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesstatic bool gDdmThreadNotification = false; 19347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 194767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes// DDMS GC-related settings. 195767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpifWhen gDdmHpifWhen = Dbg::HPIF_WHEN_NEVER; 196767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmHpsgWhen = Dbg::HPSG_WHEN_NEVER; 197767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmHpsgWhat; 198767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmNhsgWhen = Dbg::HPSG_WHEN_NEVER; 199767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmNhsgWhat; 200767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 201719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogersstatic ObjectRegistry* gRegistry = nullptr; 202475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 203545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes// Recent allocation tracking. 204719d1a33f6569864f529e5a3fff59e7bca97aad0Ian RogersMutex* Dbg::alloc_tracker_lock_ = nullptr; 205719d1a33f6569864f529e5a3fff59e7bca97aad0Ian RogersAllocRecord* Dbg::recent_allocation_records_ = nullptr; // TODO: CircularBuffer<AllocRecord> 206719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_max_ = 0; 207719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_head_ = 0; 208719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_count_ = 0; 209545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 210138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Deoptimization support. 2114d25df3f76f864b7629ac8c0046d46997f293d8dSebastien HertzMutex* Dbg::deoptimization_lock_ = nullptr; 2124d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzstd::vector<DeoptimizationRequest> Dbg::deoptimization_requests_; 2134d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzsize_t Dbg::full_deoptimization_event_count_ = 0; 214138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 215138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Breakpoints. 21609bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhaostatic std::vector<Breakpoint> gBreakpoints GUARDED_BY(Locks::breakpoint_lock_); 2178696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2183b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid DebugInvokeReq::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 2193b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 2203b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (receiver != nullptr) { 2213b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&receiver, arg, tid, root_type); 2223b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2233b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (thread != nullptr) { 2243b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&thread, arg, tid, root_type); 2253b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2263b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (klass != nullptr) { 2273b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&klass), arg, tid, root_type); 2283b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2293b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 2303b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 2313b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2323b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 2333b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 234bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid DebugInvokeReq::Clear() { 235bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz invoke_needed = false; 236bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz receiver = nullptr; 237bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz thread = nullptr; 238bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz klass = nullptr; 239bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 240bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 241bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 2423b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid SingleStepControl::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 2433b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 2443b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 2453b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 2463b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2473b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 2483b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 249bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzbool SingleStepControl::ContainsDexPc(uint32_t dex_pc) const { 250bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz return dex_pcs.find(dex_pc) == dex_pcs.end(); 251bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 252bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 253bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid SingleStepControl::Clear() { 254bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz is_active = false; 255bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 256bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz dex_pcs.clear(); 257bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 258bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 2594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid DeoptimizationRequest::VisitRoots(RootCallback* callback, void* arg) { 2604d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (method != nullptr) { 2614d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz callback(reinterpret_cast<mirror::Object**>(&method), arg, 0, kRootDebugger); 2624d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 2634d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 2644d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 265ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic bool IsBreakpoint(const mirror::ArtMethod* m, uint32_t dex_pc) 26609bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao LOCKS_EXCLUDED(Locks::breakpoint_lock_) 267b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 26809bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 269138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 270a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes if (gBreakpoints[i].method == m && gBreakpoints[i].dex_pc == dex_pc) { 2718696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "Hit breakpoint #" << i << ": " << gBreakpoints[i]; 2728696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return true; 2738696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2748696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2758696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return false; 2768696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 2778696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 27852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertzstatic bool IsSuspendedForDebugger(ScopedObjectAccessUnchecked& soa, Thread* thread) 27952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) { 2809e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_suspend_count_lock_); 2819e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // A thread may be suspended for GC; in this code, we really want to know whether 2829e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // there's a debugger suspension active. 2839e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes return thread->IsSuspended() && thread->GetDebugSuspendCount() > 0; 2849e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes} 2859e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 2862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Array* DecodeArray(JDWP::RefTypeId id, JDWP::JdwpError& status) 287b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 28964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 290436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 291436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 292436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 293436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsArrayInstance()) { 294436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_ARRAY; 295436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 296436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 297436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 298436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsArray(); 299436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 300436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 3012dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Class* DecodeClass(JDWP::RefTypeId id, JDWP::JdwpError& status) 302b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3032dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 30464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 305436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 306436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 307436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 308436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsClass()) { 309436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_CLASS; 310436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 311436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 312436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 313436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsClass(); 314436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 315436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 316221229cb523f849f165fdafbf9785010963715daElliott Hughesstatic JDWP::JdwpError DecodeThread(ScopedObjectAccessUnchecked& soa, JDWP::ObjectId thread_id, Thread*& thread) 317a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao EXCLUSIVE_LOCKS_REQUIRED(Locks::thread_list_lock_) 318b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) 319b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_peer = gRegistry->Get<mirror::Object*>(thread_id); 32164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_peer == NULL || thread_peer == ObjectRegistry::kInvalidObject) { 322221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't even an object. 323221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_OBJECT; 324221229cb523f849f165fdafbf9785010963715daElliott Hughes } 325221229cb523f849f165fdafbf9785010963715daElliott Hughes 3262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* java_lang_Thread = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 327221229cb523f849f165fdafbf9785010963715daElliott Hughes if (!java_lang_Thread->IsAssignableFrom(thread_peer->GetClass())) { 328221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't a thread. 329221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_THREAD; 330221229cb523f849f165fdafbf9785010963715daElliott Hughes } 331221229cb523f849f165fdafbf9785010963715daElliott Hughes 332221229cb523f849f165fdafbf9785010963715daElliott Hughes thread = Thread::FromManagedThread(soa, thread_peer); 333221229cb523f849f165fdafbf9785010963715daElliott Hughes if (thread == NULL) { 334221229cb523f849f165fdafbf9785010963715daElliott Hughes // This is a java.lang.Thread without a Thread*. Must be a zombie. 335221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_THREAD_NOT_ALIVE; 336436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 337221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 338436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 339436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 34024437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic JDWP::JdwpTag BasicTagFromDescriptor(const char* descriptor) { 34124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // JDWP deliberately uses the descriptor characters' ASCII values for its enum. 34224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // Note that by "basic" we mean that we don't get more specific than JT_OBJECT. 34324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return static_cast<JDWP::JdwpTag>(descriptor[0]); 34424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 34524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 3469837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromClass(const ScopedObjectAccessUnchecked& soa, mirror::Class* c) 347b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 34886b0010c79ef95b5333cd540b7d3af34a9f1a643Elliott Hughes CHECK(c != NULL); 34924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsArrayClass()) { 35024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_ARRAY; 35124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 35224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsStringClass()) { 35324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_STRING; 3549837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3559837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (c->IsClassClass()) { 35624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_CLASS_OBJECT; 35724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 3589837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3599837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 3609837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_class->IsAssignableFrom(c)) { 3619837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD; 3629837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3639837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3649837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3659837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_group_class = 3669837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 3679837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_group_class->IsAssignableFrom(c)) { 3689837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD_GROUP; 3699837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3719837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3729837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* class_loader_class = 3739837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader); 3749837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (class_loader_class->IsAssignableFrom(c)) { 3759837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_CLASS_LOADER; 3769837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3779837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3789837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_OBJECT; 37924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 38024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 38124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes/* 38224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Objects declared to hold Object might actually hold a more specific 38324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * type. The debugger may take a special interest in these (e.g. it 38424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * wants to display the contents of Strings), so we want to return an 38524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * appropriate tag. 38624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * 38724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Null objects are tagged JT_OBJECT. 38824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes */ 3899837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromObject(const ScopedObjectAccessUnchecked& soa, mirror::Object* o) 390b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3919837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return (o == NULL) ? JDWP::JT_OBJECT : TagFromClass(soa, o->GetClass()); 39224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 39324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 39424437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic bool IsPrimitiveTag(JDWP::JdwpTag tag) { 39524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes switch (tag) { 39624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BOOLEAN: 39724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BYTE: 39824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_CHAR: 39924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_FLOAT: 40024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_DOUBLE: 40124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_INT: 40224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_LONG: 40324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_SHORT: 40424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_VOID: 40524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return true; 40624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes default: 40724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return false; 40824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 40924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 41024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 4113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 4123bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Handle one of the JDWP name/value pairs. 4133bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * JDWP options are: 4153bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * help: if specified, show help message and bail 4163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * transport: may be dt_socket or dt_shmem 4173bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * address: for dt_socket, "host:port", or just "port" when listening 4183bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * server: if "y", wait for debugger to attach; if "n", attach to debugger 4193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * timeout: how long to wait for debugger to connect / listen 4203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Useful with server=n (these aren't supported yet): 4223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onthrow=<exception-name>: connect to debugger when exception thrown 4233bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onuncaught=y|n: connect to debugger when uncaught exception thrown 4243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * launch=<command-line>: launch the debugger itself 4253bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * The "transport" option is required, as is "address" if server=n. 4273bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 4283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool ParseJdwpOption(const std::string& name, const std::string& value) { 4293bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (name == "transport") { 4303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "dt_socket") { 431376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportSocket; 4323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "dt_android_adb") { 433376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportAndroidAdb; 4343bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4353bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP transport not supported: " << value; 4363bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "server") { 4393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 440376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = false; 4413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 442376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = true; 4433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'server' must be 'y' or 'n'"; 4453bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4463bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4473bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "suspend") { 4483bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 449376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = false; 4503bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 451376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = true; 4523bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4533bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'suspend' must be 'y' or 'n'"; 4543bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4553bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4563bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "address") { 4573bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* this is either <port> or <host>:<port> */ 4583bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string port_string; 459376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host.clear(); 4603bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type colon = value.find(':'); 4613bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (colon != std::string::npos) { 462376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host = value.substr(0, colon); 4633bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value.substr(colon + 1); 4643bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4653bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value; 4663bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4673bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (port_string.empty()) { 4683bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address missing port: " << value; 4693bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4703bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4713bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes char* end; 472ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes uint64_t port = strtoul(port_string.c_str(), &end, 10); 473ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (*end != '\0' || port > 0xffff) { 4743bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address has junk in port field: " << value; 4753bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4763bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 477376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.port = port; 4783bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "launch" || name == "onthrow" || name == "oncaught" || name == "timeout") { 4793bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* valid but unsupported */ 4803bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring JDWP option '" << name << "'='" << value << "'"; 4813bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4823bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring unrecognized JDWP option '" << name << "'='" << value << "'"; 4833bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4843bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 4853bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 4863bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 4873bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 4883bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 4893bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Parse the latter half of a -Xrunjdwp/-agentlib:jdwp= string, e.g.: 4903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * "transport=dt_socket,address=8000,server=y,suspend=n" 4913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 4923bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesbool Dbg::ParseJdwpOptions(const std::string& options) { 4934dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "ParseJdwpOptions: " << options; 49447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 4953bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::vector<std::string> pairs; 4963bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Split(options, ',', pairs); 4973bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 4983bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes for (size_t i = 0; i < pairs.size(); ++i) { 4993bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type equals = pairs[i].find('='); 5003bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (equals == std::string::npos) { 5013bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Can't parse JDWP option '" << pairs[i] << "' in '" << options << "'"; 5023bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5033bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes ParseJdwpOption(pairs[i].substr(0, equals), pairs[i].substr(equals + 1)); 5053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 507376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpOptions.transport == JDWP::kJdwpTransportUnknown) { 5083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP transport: " << options; 5093bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 510376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpOptions.server && (gJdwpOptions.host.empty() || gJdwpOptions.port == 0)) { 5113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP host and port when server=n: " << options; 5123bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5133bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5153bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gJdwpConfigured = true; 5163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 5173bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 5183bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 519d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StartJdwp() { 520c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!gJdwpAllowed || !IsJdwpConfigured()) { 521376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes // No JDWP for you! 522376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes return; 523376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes } 524376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes 525719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers CHECK(gRegistry == nullptr); 526475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gRegistry = new ObjectRegistry; 527475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 528719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = new Mutex("AllocTracker lock"); 5294d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = new Mutex("deoptimization lock", kDeoptimizationLock); 530d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // Init JDWP if the debugger is enabled. This may connect out to a 531d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger, passively listen for a debugger, or block waiting for a 532d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger. 533376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpState = JDWP::JdwpState::Create(&gJdwpOptions); 534376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState == NULL) { 535f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // We probably failed because some other process has the port already, which means that 536f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // if we don't abort the user is likely to think they're talking to us when they're actually 537f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // talking to that other process. 5383d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Debugger thread failed to initialize"; 539d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 540d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes 541d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // If a debugger has already attached, send the "welcome" message. 542d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // This may cause us to suspend all threads. 543376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState->IsActive()) { 54400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 545376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpState->PostVMStart()) { 5463d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(WARNING) << "Failed to post 'start' message to debugger"; 547d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 548d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 549872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 550872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 5513b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid Dbg::VisitRoots(RootCallback* callback, void* arg) { 5524d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 5534d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 5544d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (Breakpoint& bp : gBreakpoints) { 5554d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz bp.VisitRoots(callback, arg); 5564d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5574d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5584d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_lock_ != nullptr) { // only true if the debugger is started. 5594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 5604d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (DeoptimizationRequest& req : deoptimization_requests_) { 5614d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz req.VisitRoots(callback, arg); 5624d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5633b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 5643b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 5653b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 566d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StopJdwp() { 5670376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz // Prevent the JDWP thread from processing JDWP incoming packets after we close the connection. 5680376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz Disposed(); 569376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes delete gJdwpState; 570719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gJdwpState = nullptr; 571475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes delete gRegistry; 572719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gRegistry = nullptr; 573719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers delete alloc_tracker_lock_; 574719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = nullptr; 5754d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz delete deoptimization_lock_; 5764d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = nullptr; 577872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 578872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 579767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesvoid Dbg::GcDidFinish() { 580767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpifWhen != HPIF_WHEN_NEVER) { 58100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 58281ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes LOG(DEBUG) << "Sending heap info to DDM"; 5837162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(gDdmHpifWhen); 584767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 585767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpsgWhen != HPSG_WHEN_NEVER) { 58600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 58781ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes LOG(DEBUG) << "Dumping heap to DDM"; 5886a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(false); 589767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 590767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmNhsgWhen != HPSG_WHEN_NEVER) { 59100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 592767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(DEBUG) << "Dumping native heap to DDM"; 5936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(true); 594767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 595767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 596767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 5974ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesvoid Dbg::SetJdwpAllowed(bool allowed) { 5984ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes gJdwpAllowed = allowed; 5994ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes} 6004ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 601872d4ec7225444d9400d30f9027247deb91012fdElliott HughesDebugInvokeReq* Dbg::GetInvokeReq() { 602475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return Thread::Current()->GetInvokeReq(); 603475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 604475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 605475fc23a4a7f35d1be87ea0b06c80df317a720acElliott HughesThread* Dbg::GetDebugThread() { 606475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return (gJdwpState != NULL) ? gJdwpState->GetDebugThread() : NULL; 607475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 608475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 609475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::ClearWaitForEventThread() { 610475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gJdwpState->ClearWaitForEventThread(); 611872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 612872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 613872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Connected() { 6143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(!gDebuggerConnected); 6154dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "JDWP has attached"; 6163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gDebuggerConnected = true; 6178696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = false; 6188696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 6198696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 6208696433d1b3d8ba15288483b777edd888de69135Elliott Hughesvoid Dbg::Disposed() { 6218696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = true; 6228696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 6238696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 6248696433d1b3d8ba15288483b777edd888de69135Elliott Hughesbool Dbg::IsDisposed() { 6258696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return gDisposed; 626872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 627872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 628a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::GoActive() { 629a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Enable all debugging features, including scans for breakpoints. 630a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // This is a no-op if we're already active. 631a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Only called from the JDWP handler thread. 632a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (gDebuggerActive) { 633a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 634a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 635a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 636c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes { 637c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes // TODO: dalvik only warned if there were breakpoints left over. clear in Dbg::Disconnected? 63809bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 639c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes CHECK_EQ(gBreakpoints.size(), 0U); 640c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes } 641a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 642138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 6434d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 6444d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(deoptimization_requests_.size(), 0U); 6454d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(full_deoptimization_event_count_, 0U); 646138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 647138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 64862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 64962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 65062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 65162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 65262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_NE(old_state, kRunnable); 653138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetInstrumentation()->EnableDeoptimization(); 65462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetInstrumentation()->AddListener(&gDebugInstrumentationListener, 65562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers instrumentation::Instrumentation::kMethodEntered | 65662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers instrumentation::Instrumentation::kMethodExited | 65714dd5a82ad85a28612bf86e755ff929d767cea4cJeff Hao instrumentation::Instrumentation::kDexPcMoved | 65814dd5a82ad85a28612bf86e755ff929d767cea4cJeff Hao instrumentation::Instrumentation::kExceptionCaught); 659a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes gDebuggerActive = true; 66062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 66162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 66262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 66362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(INFO) << "Debugger is active"; 664872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 665872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 666872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Disconnected() { 667234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes CHECK(gDebuggerConnected); 668234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 669c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes LOG(INFO) << "Debugger is no longer active"; 670234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 67162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Suspend all threads and exclusively acquire the mutator lock. Set the state of the thread 67262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // to kRunnable to avoid scoped object access transitions. Remove the debugger as a listener 67362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // and clear the object registry. 67462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 67562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 67662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 67762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 678aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz 679aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Debugger may not be active at this point. 680aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz if (gDebuggerActive) { 681aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz { 682aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Since we're going to disable deoptimization, we clear the deoptimization requests queue. 683aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // This prevents us from having any pending deoptimization request when the debugger attaches 684aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // to us again while no event has been requested yet. 6854d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 6864d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 6874d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz full_deoptimization_event_count_ = 0U; 688aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 689aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz runtime->GetInstrumentation()->RemoveListener(&gDebugInstrumentationListener, 690aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz instrumentation::Instrumentation::kMethodEntered | 691aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz instrumentation::Instrumentation::kMethodExited | 692aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz instrumentation::Instrumentation::kDexPcMoved | 693aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz instrumentation::Instrumentation::kExceptionCaught); 694aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz runtime->GetInstrumentation()->DisableDeoptimization(); 695aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz gDebuggerActive = false; 696aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 697234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gRegistry->Clear(); 698234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gDebuggerConnected = false; 69962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 70062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 701872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 702872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 703c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsDebuggerActive() { 7043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gDebuggerActive; 705872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 706872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 707c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsJdwpConfigured() { 7083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gJdwpConfigured; 709872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 710872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 711872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesint64_t Dbg::LastDebuggerActivity() { 712ca9515205010099d006ac2fac244348a1e673dcbElliott Hughes return gJdwpState->LastDebuggerActivity(); 713872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 714872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 715872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::UndoDebuggerSuspensions() { 716234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 717872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 718872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 71988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetClassName(JDWP::RefTypeId class_id) { 7202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(class_id); 7213d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (o == NULL) { 722436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return "NULL"; 7237b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 72464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 72588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return StringPrintf("invalid object %p", reinterpret_cast<void*>(class_id)); 7263d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7273d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (!o->IsClass()) { 7287934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return StringPrintf("non-class %p", o); // This is only used for debugging output anyway. 7293d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 730436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return DescriptorToName(ClassHelper(o->AsClass()).GetDescriptor()); 7313d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes} 7323d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 73388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId& class_object_id) { 734436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 7352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 736436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 737436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 7382435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 73988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes class_object_id = gRegistry->Add(c); 740436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 7418696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7428696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 74388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId& superclass_id) { 7443d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 7452dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 7463d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c == NULL) { 7473d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 7483d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7493d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c->IsInterface()) { 7503d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes // http://code.google.com/p/android/issues/detail?id=20856 75188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = 0; 7523d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } else { 75388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = gRegistry->Add(c->GetSuperClass()); 7543d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7553d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 756872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 757872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 758436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 7592dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 76064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 761436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 762436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 763436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(o->GetClass()->GetClassLoader())); 764436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 765872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 766872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 767436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 768436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 7692dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 770436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 771436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 7727b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 773436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 774436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes uint32_t access_flags = c->GetAccessFlags() & kAccJavaFlagsMask; 775436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 776de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // Set ACC_SUPER. Dex files don't contain this flag but only classes are supposed to have it set, 777de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // not interfaces. 778436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes // Class.getModifiers doesn't return it, but JDWP does, so we set it here. 779de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban if ((access_flags & kAccInterface) == 0) { 780de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban access_flags |= kAccSuper; 781de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban } 782436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 783436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAdd4BE(pReply, access_flags); 784436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 785436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 786872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 787872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 788f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott HughesJDWP::JdwpError Dbg::GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) 789f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 7902dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 79164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 792f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 793f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 794f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 795f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes // Ensure all threads are suspended while we read objects' lock words. 796f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes Thread* self = Thread::Current(); 7975426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 7985426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromRunnableToSuspended(kSuspended); 7995426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->SuspendAll(); 800f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 801f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes MonitorInfo monitor_info(o); 802f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 8035426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->ResumeAll(); 8045426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromSuspendedToRunnable(); 805f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 806d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers if (monitor_info.owner_ != NULL) { 807d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.owner_->GetPeer())); 808f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else { 809f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes expandBufAddObjectId(reply, gRegistry->Add(NULL)); 810f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 811d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.entry_count_); 812d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.waiters_.size()); 813d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers for (size_t i = 0; i < monitor_info.waiters_.size(); ++i) { 814d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.waiters_[i]->GetPeer())); 815f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 816f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_NONE; 817f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes} 818f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 819734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott HughesJDWP::JdwpError Dbg::GetOwnedMonitors(JDWP::ObjectId thread_id, 820734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<JDWP::ObjectId>& monitors, 82152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz std::vector<uint32_t>& stack_depths) { 8224993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 8234993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 8244993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Thread* thread; 8254993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 8264993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (error != JDWP::ERR_NONE) { 8274993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return error; 8284993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8294993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 8304993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 8314993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8324993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8334993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes struct OwnedMonitorVisitor : public StackVisitor { 8347a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor(Thread* thread, Context* context) 8354993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 8367a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), current_stack_depth(0) {} 8374993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8384993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 8394993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // annotalysis. 8404993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 8414993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!GetMethod()->IsRuntimeMethod()) { 8424993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Monitor::VisitLocks(this, AppendOwnedMonitors, this); 843734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes ++current_stack_depth; 8444993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8454993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return true; 8464993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8474993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8482dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static void AppendOwnedMonitors(mirror::Object* owned_monitor, void* arg) { 8497a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor* visitor = reinterpret_cast<OwnedMonitorVisitor*>(arg); 850734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes visitor->monitors.push_back(owned_monitor); 851734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes visitor->stack_depths.push_back(visitor->current_stack_depth); 8524993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8534993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 854734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes size_t current_stack_depth; 8552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> monitors; 856734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<uint32_t> stack_depths; 8574993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes }; 8587a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers UniquePtr<Context> context(Context::Create()); 8597a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor visitor(thread, context.get()); 8604993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes visitor.WalkStack(); 8614993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8624993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes for (size_t i = 0; i < visitor.monitors.size(); ++i) { 8634993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes monitors.push_back(gRegistry->Add(visitor.monitors[i])); 864734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes stack_depths.push_back(visitor.stack_depths[i]); 8654993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8664993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8674993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_NONE; 8684993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes} 8694993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 87052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetContendedMonitor(JDWP::ObjectId thread_id, 87152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId& contended_monitor) { 872f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 873f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 874f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 875f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 876f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 877f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 878f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 879f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 880f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 881f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 882f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 883f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes contended_monitor = gRegistry->Add(Monitor::GetContendedMonitor(thread)); 884f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 885f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 886f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 887f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 888ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott HughesJDWP::JdwpError Dbg::GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, 889ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes std::vector<uint64_t>& counts) 890ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 891412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 892412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 8932dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 894ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.clear(); 895ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes for (size_t i = 0; i < class_ids.size(); ++i) { 896ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes JDWP::JdwpError status; 8972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_ids[i], status); 898ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes if (c == NULL) { 899ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return status; 900ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 901ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes classes.push_back(c); 902ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.push_back(0); 903ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 904412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CountInstances(classes, false, &counts[0]); 905ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return JDWP::ERR_NONE; 906ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes} 907ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes 9083b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott HughesJDWP::JdwpError Dbg::GetInstances(JDWP::RefTypeId class_id, int32_t max_count, std::vector<JDWP::ObjectId>& instances) 9093b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 910412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 911412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier // We only want reachable instances, so do a GC. 912412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9133b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes JDWP::JdwpError status; 9142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 915412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (c == nullptr) { 9163b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return status; 9173b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 9182dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 9193b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes Runtime::Current()->GetHeap()->GetInstances(c, max_count, raw_instances); 9203b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 9213b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes instances.push_back(gRegistry->Add(raw_instances[i])); 9223b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 9233b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return JDWP::ERR_NONE; 9243b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes} 9253b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes 9260cbaff584244ee767027aff35cd3c625aaee2994Elliott HughesJDWP::JdwpError Dbg::GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, 9270cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes std::vector<JDWP::ObjectId>& referring_objects) 9280cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 929412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 930412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 93264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 9330cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 9340cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 9352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 936412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->GetReferringObjects(o, max_count, raw_instances); 9370cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 9380cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes referring_objects.push_back(gRegistry->Add(raw_instances[i])); 9390cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 9400cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_NONE; 9410cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes} 9420cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes 94364f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::DisableCollection(JDWP::ObjectId object_id) 94464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 945e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 946e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 947e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 948e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 94964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisableCollection(object_id); 95064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 95164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 95264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 95364f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::EnableCollection(JDWP::ObjectId object_id) 95464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 955e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 956e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // Unlike DisableCollection, JDWP specs do not state an invalid object causes an error. The RI 957e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // also ignores these cases and never return an error. However it's not obvious why this command 958e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // should behave differently from DisableCollection and IsCollected commands. So let's be more 959e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // strict and return an error if this happens. 960e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 961e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 962e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 96364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->EnableCollection(object_id); 96464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 96564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 96664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 96764f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::IsCollected(JDWP::ObjectId object_id, bool& is_collected) 96864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 96965637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz if (object_id == 0) { 97065637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // Null object id is invalid. 97165637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 97265637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } 973e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // JDWP specs state an INVALID_OBJECT error is returned if the object ID is not valid. However 97465637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // the RI seems to ignore this and assume object has been collected. 97565637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 976e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 97765637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = true; 97865637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } else { 97965637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = gRegistry->IsCollected(object_id); 980e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 98164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 98264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 98364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 98464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughesvoid Dbg::DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) 98564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 98664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisposeObject(object_id, reference_count); 98764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 98864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 9894d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertzstatic JDWP::JdwpTypeTag GetTypeTag(mirror::Class* klass) 9904d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 9914d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz DCHECK(klass != nullptr); 9924d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz if (klass->IsArrayClass()) { 9934d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_ARRAY; 9944d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else if (klass->IsInterface()) { 9954d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_INTERFACE; 9964d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else { 9974d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_CLASS; 9984d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } 9994d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz} 10004d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz 100188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1002436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 10032dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1004436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1005436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 10067b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1007436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 10084d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(c); 10094d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz expandBufAdd1(pReply, type_tag); 101088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes expandBufAddRefTypeId(pReply, class_id); 1011436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1012872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1013872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 10147b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughesvoid Dbg::GetClassList(std::vector<JDWP::RefTypeId>& classes) { 1015a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Get the complete list of reference classes (i.e. all classes except 1016a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // the primitive types). 1017a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Returns a newly-allocated buffer full of RefTypeId values. 1018a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes struct ClassListCreator { 1019ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes explicit ClassListCreator(std::vector<JDWP::RefTypeId>& classes) : classes(classes) { 10207b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 10217b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 10222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static bool Visit(mirror::Class* c, void* arg) { 1023a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return reinterpret_cast<ClassListCreator*>(arg)->Visit(c); 1024a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1025a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 102664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 102764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 102864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool Visit(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS { 1029a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (!c->IsPrimitive()) { 103064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes classes.push_back(gRegistry->AddRefType(c)); 1031a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1032a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return true; 1033a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1034a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 10357b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes std::vector<JDWP::RefTypeId>& classes; 1036a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 1037a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 10387b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes ClassListCreator clc(classes); 1039a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Runtime::Current()->GetClassLinker()->VisitClasses(ClassListCreator::Visit, &clc); 1040872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1041872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 104288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, uint32_t* pStatus, std::string* pDescriptor) { 1043436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 10442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1045436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1046436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 10477b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 10487b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 1049a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 1050a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 1051a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = JDWP::TT_ARRAY; 1052a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1053a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsErroneous()) { 1054a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_ERROR; 1055a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1056a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED | JDWP::CS_INITIALIZED; 1057a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1058a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = c->IsInterface() ? JDWP::TT_INTERFACE : JDWP::TT_CLASS; 1059a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1060a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 1061a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (pDescriptor != NULL) { 1062dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers *pDescriptor = ClassHelper(c).GetDescriptor(); 1063a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1064436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1065872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1066872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1067c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughesvoid Dbg::FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>& ids) { 10682dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 10696fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes Runtime::Current()->GetClassLinker()->LookupClasses(descriptor, classes); 10706fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.clear(); 10716fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes for (size_t i = 0; i < classes.size(); ++i) { 10726fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.push_back(gRegistry->Add(classes[i])); 10736fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes } 1074872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1075872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 107664f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) 107764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 10782dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 107964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 10802435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 10812435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 10822435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 10834d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(o->GetClass()); 108464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId type_id = gRegistry->AddRefType(o->GetClass()); 10852435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 10862435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd1(pReply, type_tag); 10872435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAddRefTypeId(pReply, type_id); 10882435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 10892435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1090872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1091872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1092fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan RogersJDWP::JdwpError Dbg::GetSignature(JDWP::RefTypeId class_id, std::string* signature) { 10931fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes JDWP::JdwpError status; 10942dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 10951fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes if (c == NULL) { 10961fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return status; 10977b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1098dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers *signature = ClassHelper(c).GetDescriptor(); 10991fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return JDWP::ERR_NONE; 1100872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1101872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 110288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSourceFile(JDWP::RefTypeId class_id, std::string& result) { 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 } 1108b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz if (c->IsProxyClass()) { 1109b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz return JDWP::ERR_ABSENT_INFORMATION; 1110b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz } 1111436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes result = ClassHelper(c).GetSourceFile(); 1112436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1113872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1114872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 111588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetObjectTag(JDWP::ObjectId object_id, uint8_t& tag) { 11169837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 11172dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 111864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1119546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1120546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 11219837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag = TagFromObject(soa, o); 1122546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_NONE; 1123872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1124872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1125aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughessize_t Dbg::GetTagWidth(JDWP::JdwpTag tag) { 1126dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes switch (tag) { 1127dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_VOID: 1128dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 0; 1129dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BYTE: 1130dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BOOLEAN: 1131dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 1; 1132dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CHAR: 1133dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_SHORT: 1134dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 2; 1135dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_FLOAT: 1136dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_INT: 1137dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 4; 1138dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_ARRAY: 1139dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_OBJECT: 1140dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_STRING: 1141dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD: 1142dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD_GROUP: 1143dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_LOADER: 1144dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_OBJECT: 1145dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return sizeof(JDWP::ObjectId); 1146dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_DOUBLE: 1147dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_LONG: 1148dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 8; 1149dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes default: 11503d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Unknown tag " << tag; 1151dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return -1; 1152dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1153872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1154872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 115588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetArrayLength(JDWP::ObjectId array_id, int& length) { 11563d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 11572dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 11583d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (a == NULL) { 11593d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 116024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 11613d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes length = a->GetLength(); 11623d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1163872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1164872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 116588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputArray(JDWP::ObjectId array_id, int offset, int count, JDWP::ExpandBuf* pReply) { 11663d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 11672dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 11689837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (a == nullptr) { 11693d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 11703d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 117124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 117224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (offset < 0 || count < 0 || offset > a->GetLength() || a->GetLength() - offset < count) { 117324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 11743d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 117524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 11766d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers std::string descriptor(ClassHelper(a->GetClass()).GetDescriptor()); 117724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor.c_str() + 1); 117824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 11793d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd1(pReply, tag); 11803d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd4BE(pReply, count); 11813d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 118224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (IsPrimitiveTag(tag)) { 118324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes size_t width = GetTagWidth(tag); 118424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes uint8_t* dst = expandBufAddSpace(pReply, count * width); 118524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (width == 8) { 1186ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint64_t* src8 = reinterpret_cast<uint64_t*>(a->GetRawData(sizeof(uint64_t), 0)); 118724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write8BE(&dst, src8[offset + i]); 118824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 4) { 1189ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint32_t* src4 = reinterpret_cast<uint32_t*>(a->GetRawData(sizeof(uint32_t), 0)); 119024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write4BE(&dst, src4[offset + i]); 119124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 2) { 1192ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint16_t* src2 = reinterpret_cast<uint16_t*>(a->GetRawData(sizeof(uint16_t), 0)); 119324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write2BE(&dst, src2[offset + i]); 119424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 1195ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint8_t* src = reinterpret_cast<uint8_t*>(a->GetRawData(sizeof(uint8_t), 0)); 119624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes memcpy(dst, &src[offset * width], count * width); 119724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 119824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 11999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 12002dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* oa = a->AsObjectArray<mirror::Object>(); 120124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) { 12022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* element = oa->Get(offset + i); 12039837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag specific_tag = (element != nullptr) ? TagFromObject(soa, element) 12049837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : tag; 120524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAdd1(pReply, specific_tag); 120624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(element)); 120724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 120824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 120924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 12103d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1211872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1212872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1213ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate <typename T> 1214ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic void CopyArrayData(mirror::Array* a, JDWP::Request& src, int offset, int count) 1215ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers NO_THREAD_SAFETY_ANALYSIS { 1216ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // TODO: fix when annotalysis correctly handles non-member functions. 12174b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes DCHECK(a->GetClass()->IsPrimitiveArray()); 12184b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 1219ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers T* dst = reinterpret_cast<T*>(a->GetRawData(sizeof(T), offset)); 12204b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes for (int i = 0; i < count; ++i) { 12214b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes *dst++ = src.ReadValue(sizeof(T)); 12224b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes } 12234b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes} 12244b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 122588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetArrayElements(JDWP::ObjectId array_id, int offset, int count, 12264b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::Request& request) 1227b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 12283d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 12294b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::Array* dst = DecodeArray(array_id, status); 12304b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (dst == NULL) { 12313d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 12323d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 1233f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 12344b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (offset < 0 || count < 0 || offset > dst->GetLength() || dst->GetLength() - offset < count) { 1235f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 12363d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 1237f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 12381d66e88ea74f7d85f75db7f145fe955d5f0f6872nikolay serdjuk ClassHelper ch(dst->GetClass()); 12391d66e88ea74f7d85f75db7f145fe955d5f0f6872nikolay serdjuk const char* descriptor = ch.GetDescriptor(); 1240fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor + 1); 1241f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 1242f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (IsPrimitiveTag(tag)) { 1243f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes size_t width = GetTagWidth(tag); 1244f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (width == 8) { 12454b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint64_t>(dst, request, offset, count); 1246f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 4) { 12474b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint32_t>(dst, request, offset, count); 1248f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 2) { 12494b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint16_t>(dst, request, offset, count); 1250f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 12514b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint8_t>(dst, request, offset, count); 1252f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1253f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 12544b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::ObjectArray<mirror::Object>* oa = dst->AsObjectArray<mirror::Object>(); 1255f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes for (int i = 0; i < count; ++i) { 12564b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::ObjectId id = request.ReadObjectId(); 12572dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 125864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1259436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1260436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 1261d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz oa->Set<false>(offset + i, o); 1262f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1263f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1264f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 12653d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1266872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1267872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 12687b3cdfcca472b779cf8745fb8460935e56229f11Elliott HughesJDWP::ObjectId Dbg::CreateString(const std::string& str) { 12692dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return gRegistry->Add(mirror::String::AllocFromModifiedUtf8(Thread::Current(), str.c_str())); 1270872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1271872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 127288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId& new_object) { 1273436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 12742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1275436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1276436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 12777b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 127850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers new_object = gRegistry->Add(c->AllocObject(Thread::Current())); 1279436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1280872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1281872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1282bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes/* 1283bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes * Used by Eclipse's "Display" view to evaluate "new byte[5]" to get "(byte[]) [0, 0, 0, 0, 0]". 1284bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes */ 128588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, 128600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId& new_array) { 1287436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 12882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(array_class_id, status); 1289436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1290436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 12917b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 12926fac447555dc94a935b78198479cce645c837b89Ian Rogers new_array = gRegistry->Add(mirror::Array::Alloc<true>(Thread::Current(), c, length, 12936fac447555dc94a935b78198479cce645c837b89Ian Rogers c->GetComponentSize(), 12946fac447555dc94a935b78198479cce645c837b89Ian Rogers Runtime::Current()->GetHeap()->GetCurrentAllocator())); 1295436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1296872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1297872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 129888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesbool Dbg::MatchType(JDWP::RefTypeId instance_class_id, JDWP::RefTypeId class_id) { 1299436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13002dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c1 = DecodeClass(instance_class_id, status); 1301a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c1 != NULL); 13022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c2 = DecodeClass(class_id, status); 1303a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c2 != NULL); 1304123756a041baf8421ed933312605daa5ef082f6fSebastien Hertz return c2->IsAssignableFrom(c1); 1305872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1306872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1307ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::FieldId ToFieldId(const mirror::ArtField* f) 1308b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1309590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 131003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::FieldId>(reinterpret_cast<uintptr_t>(f)); 131103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 131203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1313ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::MethodId ToMethodId(const mirror::ArtMethod* m) 1314b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1315590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 131603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::MethodId>(reinterpret_cast<uintptr_t>(m)); 131703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 131803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1319ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtField* FromFieldId(JDWP::FieldId fid) 1320b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1321590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 1322ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtField*>(static_cast<uintptr_t>(fid)); 1323aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes} 1324aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1325ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtMethod* FromMethodId(JDWP::MethodId mid) 1326b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1327590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 1328ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtMethod*>(static_cast<uintptr_t>(mid)); 132903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 133003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1331ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic void SetLocation(JDWP::JdwpLocation& location, mirror::ArtMethod* m, uint32_t dex_pc) 1332b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 133391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (m == NULL) { 133491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes memset(&location, 0, sizeof(location)); 133591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } else { 13362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = m->GetDeclaringClass(); 13374d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz location.type_tag = GetTypeTag(c); 1338cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.class_id = gRegistry->AddRefType(c); 1339748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes location.method_id = ToMethodId(m); 1340cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint64_t>(-1) : dex_pc; 134191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 1342d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes} 1343d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 1344a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetMethodName(JDWP::MethodId method_id) 1345b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1346ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 13476d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers return MethodHelper(m).GetName(); 1348872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1349872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1350a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetFieldName(JDWP::FieldId field_id) 1351a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1352ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 1353a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes return FieldHelper(f).GetName(); 1354a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes} 1355a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes 1356a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes/* 1357a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * Augment the access flags for synthetic methods and fields by setting 1358a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * the (as described by the spec) "0xf0000000 bit". Also, strip out any 1359a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * flags not specified by the Java programming language. 1360a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes */ 1361a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughesstatic uint32_t MangleAccessFlags(uint32_t accessFlags) { 1362a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags &= kAccJavaFlagsMask; 1363a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes if ((accessFlags & kAccSynthetic) != 0) { 1364a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags |= 0xf0000000; 1365a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1366a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return accessFlags; 1367872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1368872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1369dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes/* 1370b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come first. Debuggers 1371b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * expect slots to begin with arguments, but dex code places them at 1372b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * the end. 1373dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes */ 1374b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Haostatic uint16_t MangleSlot(uint16_t slot, mirror::ArtMethod* m) 1375b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1376b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao const DexFile::CodeItem* code_item = MethodHelper(m).GetCodeItem(); 1377cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1378cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1379cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1380cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to mangle slot for method without code " << PrettyMethod(m); 1381cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1382cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1383b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1384b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1385b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot >= locals_size) { 1386b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - locals_size; 1387b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1388b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + ins_size; 1389dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1390dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1391dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1392b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao/* 1393b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come last. Reverts 1394b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * slots to dex style argument placement. 1395b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao */ 1396ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic uint16_t DemangleSlot(uint16_t slot, mirror::ArtMethod* m) 1397b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1398b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao const DexFile::CodeItem* code_item = MethodHelper(m).GetCodeItem(); 1399cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1400cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1401cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1402cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to demangle slot for method without code " << PrettyMethod(m); 1403cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1404cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1405b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1406b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1407b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot < ins_size) { 1408b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + locals_size; 1409b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1410b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - ins_size; 1411dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1412dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1413dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 141488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredFields(JDWP::RefTypeId class_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1415436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1417436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1418436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14197b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1420a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1421a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t instance_field_count = c->NumInstanceFields(); 1422a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t static_field_count = c->NumStaticFields(); 1423a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1424a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, instance_field_count + static_field_count); 1425a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1426a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < instance_field_count + static_field_count; ++i) { 1427ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = (i < instance_field_count) ? c->GetInstanceField(i) : c->GetStaticField(i - instance_field_count); 14286d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers FieldHelper fh(f); 1429a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddFieldId(pReply, ToFieldId(f)); 14306d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, fh.GetName()); 14316d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, fh.GetTypeDescriptor()); 1432c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1433a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1434a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1435a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1436a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(f->GetAccessFlags())); 1437a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1438436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1439a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1440a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 144188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredMethods(JDWP::RefTypeId class_id, bool with_generic, 144200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 1443436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1445436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1446436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14477b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1448a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1449a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t direct_method_count = c->NumDirectMethods(); 1450a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t virtual_method_count = c->NumVirtualMethods(); 1451a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1452a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, direct_method_count + virtual_method_count); 1453a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1454a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < direct_method_count + virtual_method_count; ++i) { 1455ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = (i < direct_method_count) ? c->GetDirectMethod(i) : c->GetVirtualMethod(i - direct_method_count); 14566d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1457a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddMethodId(pReply, ToMethodId(m)); 14586d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, mh.GetName()); 1459d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers expandBufAddUtf8String(pReply, mh.GetSignature().ToString()); 1460c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1461a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1462a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1463a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1464a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(m->GetAccessFlags())); 1465a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1466436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1467a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1468a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 146988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredInterfaces(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1470436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14712dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1472436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1473436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14747b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1475436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 1476436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes ClassHelper kh(c); 1477d24e264ff85ad8c6f142ac6d33055fdc1881fa2fIan Rogers size_t interface_count = kh.NumDirectInterfaces(); 1478a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, interface_count); 1479a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < interface_count; ++i) { 148064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes expandBufAddRefTypeId(pReply, gRegistry->AddRefType(kh.GetDirectInterface(i))); 1481a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1482436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1483872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1484872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 148588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputLineTable(JDWP::RefTypeId, JDWP::MethodId method_id, JDWP::ExpandBuf* pReply) 1486b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 148703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes struct DebugCallbackContext { 148803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes int numItems; 148903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::ExpandBuf* pReply; 149003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 14912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes static bool Callback(void* context, uint32_t address, uint32_t line_number) { 149203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 149303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pContext->pReply, address); 14942435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd4BE(pContext->pReply, line_number); 149503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes pContext->numItems++; 1496f2910eef247b45ce1d489e323b36b5de6b6157aaSebastien Hertz return false; 149703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 149803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 1499ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 15006d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1501cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 150203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes uint64_t start, end; 1503cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1504cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DCHECK(m->IsNative() || m->IsProxyMethod()); 150503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = -1; 150603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes end = -1; 150703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } else { 150803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = 0; 150914f0db92225d34622fa5cb1a6dc9287334aaf6c7jeffhao // Return the index of the last instruction 1510cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz end = code_item->insns_size_in_code_units_ - 1; 151103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 151203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 151303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, start); 151403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, end); 151503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 151603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes // Add numLines later 151703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes size_t numLinesOffset = expandBufGetLength(pReply); 151803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd4BE(pReply, 0); 151903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 152003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext context; 152103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.numItems = 0; 152203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.pReply = pReply; 152303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1524cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1525cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 1526cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DebugCallbackContext::Callback, NULL, &context); 1527cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 152803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 152903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + numLinesOffset, context.numItems); 1530872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1531872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 153288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputVariableTable(JDWP::RefTypeId, JDWP::MethodId method_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1533dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes struct DebugCallbackContext { 1534b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao mirror::ArtMethod* method; 1535dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes JDWP::ExpandBuf* pReply; 1536c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count; 1537c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes bool with_generic; 1538dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1539b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao static void Callback(void* context, uint16_t slot, uint32_t startAddress, uint32_t endAddress, const char* name, const char* descriptor, const char* signature) 1540b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1541dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 1542dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1543b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao VLOG(jdwp) << StringPrintf(" %2zd: %d(%d) '%s' '%s' '%s' actual slot=%d mangled slot=%d", pContext->variable_count, startAddress, endAddress - startAddress, name, descriptor, signature, slot, MangleSlot(slot, pContext->method)); 1544dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1545b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao slot = MangleSlot(slot, pContext->method); 154668fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 1547dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd8BE(pContext->pReply, startAddress); 1548dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, name); 1549dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, descriptor); 1550c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (pContext->with_generic) { 1551dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, signature); 1552dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1553dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, endAddress - startAddress); 1554dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, slot); 1555dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1556c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes ++pContext->variable_count; 1557dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1558dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes }; 1559ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 15606d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1561dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1562c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // arg_count considers doubles and longs to take 2 units. 1563c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // variable_count considers everything to take 1 unit. 15646d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers std::string shorty(mh.GetShorty()); 1565ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom expandBufAdd4BE(pReply, mirror::ArtMethod::NumArgRegisters(shorty)); 1566dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1567c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // We don't know the total number of variables yet, so leave a blank and update it later. 1568c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count_offset = expandBufGetLength(pReply); 1569dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pReply, 0); 1570dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1571dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext context; 1572b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao context.method = m; 1573dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes context.pReply = pReply; 1574c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.variable_count = 0; 1575c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.with_generic = with_generic; 1576dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1577cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 1578cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1579cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), NULL, 1580cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DebugCallbackContext::Callback, &context); 1581cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1582dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1583c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + variable_count_offset, context.variable_count); 1584872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1585872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1586579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, 1587579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::ExpandBuf* pReply) { 1588579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::ArtMethod* m = FromMethodId(method_id); 1589579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::JdwpTag tag = BasicTagFromDescriptor(MethodHelper(m).GetShorty()); 1590579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao OutputJValue(tag, return_value, pReply); 1591579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1592579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 15939777ba230c83a0edcbda2cf7b208339e77bf171bElliott HughesJDWP::JdwpError Dbg::GetBytecodes(JDWP::RefTypeId, JDWP::MethodId method_id, 15949777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes std::vector<uint8_t>& bytecodes) 15959777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1596ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 15979777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes if (m == NULL) { 15989777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_INVALID_METHODID; 15999777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 16009777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes MethodHelper mh(m); 16019777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const DexFile::CodeItem* code_item = mh.GetCodeItem(); 16029777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes size_t byte_count = code_item->insns_size_in_code_units_ * 2; 16039777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* begin = reinterpret_cast<const uint8_t*>(code_item->insns_); 16049777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* end = begin + byte_count; 16059777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes for (const uint8_t* p = begin; p != end; ++p) { 16069777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes bytecodes.push_back(*p); 16079777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 16089777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_NONE; 16099777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes} 16109777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes 161188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetFieldBasicTag(JDWP::FieldId field_id) { 161288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return BasicTagFromDescriptor(FieldHelper(FromFieldId(field_id)).GetTypeDescriptor()); 1613872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1614872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 161588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetStaticFieldBasicTag(JDWP::FieldId field_id) { 161688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return BasicTagFromDescriptor(FieldHelper(FromFieldId(field_id)).GetTypeDescriptor()); 1617872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1618872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 161988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError GetFieldValueImpl(JDWP::RefTypeId ref_type_id, JDWP::ObjectId object_id, 162088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::FieldId field_id, JDWP::ExpandBuf* pReply, 162100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool is_static) 1622b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 16230cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes JDWP::JdwpError status; 16242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(ref_type_id, status); 162588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes if (ref_type_id != 0 && c == NULL) { 16260cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return status; 16270cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16280cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 163064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 16313f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 16323f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1633ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 16340cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* receiver_class = c; 16360cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class == NULL && o != NULL) { 16370cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes receiver_class = o->GetClass(); 16380cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16390cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we give up now if receiver_class is NULL? 16400cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class != NULL && !f->GetDeclaringClass()->IsAssignableFrom(receiver_class)) { 16410cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(INFO) << "ERR_INVALID_FIELDID: " << PrettyField(f) << " " << PrettyClass(receiver_class); 16423f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 16433f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1644aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 16450cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 16460cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 16470cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 16480cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 16490cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 16500cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16510cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 16520cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 16530cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 16540cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16550cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16560dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 16570dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 16580dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 16590cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16606d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 1661579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JValue field_value; 1662579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_VOID) { 1663579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao LOG(FATAL) << "Unknown tag: " << tag; 1664579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (!IsPrimitiveTag(tag)) { 1665579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetL(f->GetObject(o)); 1666579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1667579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetJ(f->Get64(o)); 1668aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1669579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetI(f->Get32(o)); 1670aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1671579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::OutputJValue(tag, &field_value, pReply); 1672579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 16733f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_NONE; 1674872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1675872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 167688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, 167700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 167888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(0, object_id, field_id, pReply, false); 16793f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 16803f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 168188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetStaticFieldValue(JDWP::RefTypeId ref_type_id, JDWP::FieldId field_id, JDWP::ExpandBuf* pReply) { 168288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(ref_type_id, 0, field_id, pReply, true); 16833f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 16843f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 168588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError SetFieldValueImpl(JDWP::ObjectId object_id, JDWP::FieldId field_id, 168600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint64_t value, int width, bool is_static) 1687b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 16882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 168964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 16903f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 16913f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1692ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 16930cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16940cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 16950cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 16960cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 16970cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 16980cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 16990cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17000cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 17010cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 17020cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 17030cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17043f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 17050dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 17060dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 17070dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 1708aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 17096d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 1710aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1711aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (IsPrimitiveTag(tag)) { 1712aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 17131bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_EQ(width, 8); 1714d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1715d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set64<false>(o, value); 1716aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 17171bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_LE(width, 4); 1718d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1719d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set32<false>(o, value); 1720aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1721aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 17222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* v = gRegistry->Get<mirror::Object*>(value); 172364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (v == ObjectRegistry::kInvalidObject) { 17243d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_OBJECT; 17253d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 17263f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (v != NULL) { 17272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* field_type = FieldHelper(f).GetType(); 17283f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (!field_type->IsAssignableFrom(v->GetClass())) { 17293f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 17303f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 17313f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1732d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1733d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->SetObject<false>(o, v); 1734aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 17353d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 17363d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1737872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1738872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 173988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, uint64_t value, 174000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int width) { 174188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(object_id, field_id, value, width, false); 1742872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1743872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 174488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) { 174588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(0, field_id, value, width, true); 1746872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1747872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 174888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::StringToUtf8(JDWP::ObjectId string_id) { 17492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = gRegistry->Get<mirror::String*>(string_id); 175068fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes return s->ToModifiedUtf8(); 1751872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1752872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1753579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) { 1754579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (IsPrimitiveTag(tag)) { 1755579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, tag); 1756579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_BOOLEAN || tag == JDWP::JT_BYTE) { 1757579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, return_value->GetI()); 1758579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_CHAR || tag == JDWP::JT_SHORT) { 1759579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd2BE(pReply, return_value->GetI()); 1760579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_FLOAT || tag == JDWP::JT_INT) { 1761579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd4BE(pReply, return_value->GetI()); 1762579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1763579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd8BE(pReply, return_value->GetJ()); 1764579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 1765579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao CHECK_EQ(tag, JDWP::JT_VOID); 1766579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1767579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 17689837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1769579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::Object* value = return_value->GetL(); 17709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers expandBufAdd1(pReply, TagFromObject(soa, value)); 1771579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAddObjectId(pReply, gRegistry->Add(value)); 1772579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1773579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1774579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 1775221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadName(JDWP::ObjectId thread_id, std::string& name) { 1776a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao ScopedObjectAccessUnchecked soa(Thread::Current()); 1777a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1778221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1779221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1780221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE && error != JDWP::ERR_THREAD_NOT_ALIVE) { 1781221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1782a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1783221229cb523f849f165fdafbf9785010963715daElliott Hughes 1784221229cb523f849f165fdafbf9785010963715daElliott Hughes // We still need to report the zombie threads' names, so we can't just call Thread::GetThreadName. 17852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 1786ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* java_lang_Thread_name_field = 17872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.DecodeField(WellKnownClasses::java_lang_Thread_name); 17882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = 17892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers reinterpret_cast<mirror::String*>(java_lang_Thread_name_field->GetObject(thread_object)); 1790221229cb523f849f165fdafbf9785010963715daElliott Hughes if (s != NULL) { 1791221229cb523f849f165fdafbf9785010963715daElliott Hughes name = s->ToModifiedUtf8(); 1792221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1793221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1794872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1795872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1796221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 179700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 17982dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 179964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_object == ObjectRegistry::kInvalidObject) { 18002435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18012435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 18029837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroup"); 18032435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Okay, so it's an object, but is it actually a thread? 180450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1805221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1806221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1807221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 1808221229cb523f849f165fdafbf9785010963715daElliott Hughes // Zombie threads are in the null group. 1809221229cb523f849f165fdafbf9785010963715daElliott Hughes expandBufAddObjectId(pReply, JDWP::ObjectId(0)); 181052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz error = JDWP::ERR_NONE; 181152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz } else if (error == JDWP::ERR_NONE) { 181252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 181352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(c != nullptr); 181452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::ArtField* f = c->FindInstanceField("group", "Ljava/lang/ThreadGroup;"); 181552d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(f != NULL); 181652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Object* group = f->GetObject(thread_object); 181752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(group != NULL); 181852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId thread_group_id = gRegistry->Add(group); 181952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz expandBufAddObjectId(pReply, thread_group_id); 18202435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 18219837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 182252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz return error; 1823872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1824872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 182588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id) { 182600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 18272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 18289837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 18299837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupName"); 18309837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 18319837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1832ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("name", "Ljava/lang/String;"); 1833499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes CHECK(f != NULL); 18342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = reinterpret_cast<mirror::String*>(f->GetObject(thread_group)); 18359837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 1836499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes return s->ToModifiedUtf8(); 1837872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1838872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 183988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::ObjectId Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id) { 18409837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 18412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 18429837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 18439837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupParent"); 18449837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 18459837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1846ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("parent", "Ljava/lang/ThreadGroup;"); 18474e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes CHECK(f != NULL); 18482dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* parent = f->GetObject(thread_group); 18499837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 18504e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return gRegistry->Add(parent); 1851872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1852872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1853872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetSystemThreadGroupId() { 185400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1855ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup); 18562dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1857365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1858872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1859872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1860872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetMainThreadGroupId() { 186100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1862ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup); 18632dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1864365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1865872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1866872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1867920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff HaoJDWP::JdwpThreadStatus Dbg::ToJdwpThreadStatus(ThreadState state) { 1868920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao switch (state) { 1869920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kBlocked: 1870920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_MONITOR; 1871920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kNative: 1872920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kRunnable: 1873920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSuspended: 1874920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_RUNNING; 1875920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSleeping: 1876920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_SLEEPING; 1877920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kStarting: 1878920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTerminated: 1879920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 1880920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTimedWaiting: 1881920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSend: 1882920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSuspension: 1883920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerToAttach: 1884138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz case kWaitingForDeoptimization: 1885920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForGcToComplete: 1886920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForCheckPointsToRun: 1887920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForJniOnLoad: 1888920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForSignalCatcherOutput: 1889920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainDebuggerLoop: 1890920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainSignalCatcherLoop: 1891920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingPerformingGc: 1892920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaiting: 1893920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_WAIT; 1894920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao // Don't add a 'default' here so the compiler can spot incompatible enum changes. 1895920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao } 1896920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao LOG(FATAL) << "Unknown thread state: " << state; 1897920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 1898920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao} 1899920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao 190052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetThreadStatus(JDWP::ObjectId thread_id, JDWP::JdwpThreadStatus* pThreadStatus, 190152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::JdwpSuspendStatus* pSuspendStatus) { 190200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1903499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 19049e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_NOT_SUSPENDED; 19059e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 190650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1907221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1908221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1909221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 1910221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 1911221229cb523f849f165fdafbf9785010963715daElliott Hughes *pThreadStatus = JDWP::TS_ZOMBIE; 1912221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1913221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1914221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1915499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes } 1916499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 19179e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (IsSuspendedForDebugger(soa, thread)) { 19189e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_SUSPENDED; 19199e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes } 192000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 1921920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao *pThreadStatus = ToJdwpThreadStatus(thread->GetState()); 1922221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1923872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1924872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1925221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 192600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 192750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1928221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1929221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1930221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 1931221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 19322435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 193350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 193400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers expandBufAdd4BE(pReply, thread->GetDebugSuspendCount()); 19352435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1936872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1937872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1938f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott HughesJDWP::JdwpError Dbg::Interrupt(JDWP::ObjectId thread_id) { 1939f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccess soa(Thread::Current()); 1940f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1941f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 1942f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1943f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 1944f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 1945f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 1946dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers thread->Interrupt(soa.Self()); 1947f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 1948f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 1949f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 1950caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetThreads(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& thread_ids) { 1951365c10235438607541fa2259a5fec48061b90bd8Ian Rogers class ThreadListVisitor { 1952365c10235438607541fa2259a5fec48061b90bd8Ian Rogers public: 19532dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers ThreadListVisitor(const ScopedObjectAccessUnchecked& soa, mirror::Object* desired_thread_group, 195400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::vector<JDWP::ObjectId>& thread_ids) 1955b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 19560dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao : soa_(soa), desired_thread_group_(desired_thread_group), thread_ids_(thread_ids) {} 1957365c10235438607541fa2259a5fec48061b90bd8Ian Rogers 1958a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes static void Visit(Thread* t, void* arg) { 1959a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes reinterpret_cast<ThreadListVisitor*>(arg)->Visit(t); 1960a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1961a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 196200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 196300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 196400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void Visit(Thread* t) NO_THREAD_SAFETY_ANALYSIS { 1965a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (t == Dbg::GetDebugThread()) { 1966a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Skip the JDWP thread. Some debuggers get bent out of shape when they can't suspend and 1967a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // query all threads, so it's easier if we just don't tell them about this thread. 1968a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 1969a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 19702dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = t->GetPeer(); 19710dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (IsInDesiredThreadGroup(peer)) { 1972120f1c74a9768e958377b6c97897511b27ae58c8Ian Rogers thread_ids_.push_back(gRegistry->Add(peer)); 1973a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1974a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1975a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 1976365c10235438607541fa2259a5fec48061b90bd8Ian Rogers private: 19772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers bool IsInDesiredThreadGroup(mirror::Object* peer) 19780dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 19790dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // peer might be NULL if the thread is still starting up. 19800dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (peer == NULL) { 19810dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // We can't tell the debugger about this thread yet. 19820dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // TODO: if we identified threads to the debugger by their Thread* 19832dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers // rather than their peer's mirror::Object*, we could fix this. 19840dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // Doing so might help us report ZOMBIE threads too. 19850dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return false; 19860dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 1987c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao // Do we want threads from all thread groups? 1988c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao if (desired_thread_group_ == NULL) { 1989c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao return true; 1990c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao } 19912dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = soa_.DecodeField(WellKnownClasses::java_lang_Thread_group)->GetObject(peer); 19920dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return (group == desired_thread_group_); 19930dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 19940dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao 1995dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier const ScopedObjectAccessUnchecked& soa_; 19962dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* const desired_thread_group_; 1997caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes std::vector<JDWP::ObjectId>& thread_ids_; 1998a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 1999a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 200000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 20012dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 200200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ThreadListVisitor tlv(soa, thread_group, thread_ids); 200350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2004f8349361a16a4e2796efe9f3586b994e8d4834e4Elliott Hughes Runtime::Current()->GetThreadList()->ForEach(ThreadListVisitor::Visit, &tlv); 2005a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes} 2006a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 2007caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetChildThreadGroups(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& child_thread_group_ids) { 200800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 20092dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 2010caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2011caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the ArrayList<ThreadGroup> "groups" out of this thread group... 2012ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;"); 20132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* groups_array_list = groups_field->GetObject(thread_group); 2014872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2015caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the array and size out of the ArrayList<ThreadGroup>... 2016ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;"); 2017ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I"); 20182dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* groups_array = 20192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>(); 2020caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes const int32_t size = size_field->GetInt(groups_array_list); 2021caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2022caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Copy the first 'size' elements out of the array into the result. 2023caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes for (int32_t i = 0; i < size; ++i) { 2024caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes child_thread_group_ids.push_back(gRegistry->Add(groups_array->Get(i))); 2025caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes } 2026872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2027872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 202800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic int GetStackDepth(Thread* thread) 2029b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20300399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct CountStackDepthVisitor : public StackVisitor { 203193ba893c20532990a430741e0a97212900094e8cBrian Carlstrom explicit CountStackDepthVisitor(Thread* thread) 20327a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth(0) {} 20330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 203464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 203564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 203664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 20370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!GetMethod()->IsRuntimeMethod()) { 2038f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes ++depth; 2039f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes } 2040530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 2041a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 2042a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t depth; 2043a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes }; 204408fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes 20457a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers CountStackDepthVisitor visitor(thread); 20460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2047a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return visitor.depth; 2048872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2049872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2050221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadFrameCount(JDWP::ObjectId thread_id, size_t& result) { 205100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2052a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2053221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2054221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2055221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2056221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2057221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2058f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2059f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2060f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 2061221229cb523f849f165fdafbf9785010963715daElliott Hughes result = GetStackDepth(thread); 2062221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 20638696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 20648696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2065306057fd278d75bf3794bd5243a3b6652c487d18Ian RogersJDWP::JdwpError Dbg::GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, 2066306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers size_t frame_count, JDWP::ExpandBuf* buf) { 20676e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes class GetFrameVisitor : public StackVisitor { 20686e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes public: 20697a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor(Thread* thread, size_t start_frame, size_t frame_count, JDWP::ExpandBuf* buf) 2070b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 20717a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth_(0), 20726e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes start_frame_(start_frame), frame_count_(frame_count), buf_(buf) { 20736e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd4BE(buf_, frame_count_); 207403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 20750399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 207600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 207700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 207800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 20790399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetMethod()->IsRuntimeMethod()) { 20807934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return true; // The debugger can't do anything useful with a frame that has no Method*. 208103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 20826e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_ + frame_count_) { 2083530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 208403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 20856e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_) { 20866e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id(GetFrameId()); 20876e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::JdwpLocation location; 20886e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes SetLocation(location, GetMethod(), GetDexPc()); 2089ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers VLOG(jdwp) << StringPrintf(" Frame %3zd: id=%3" PRIu64 " ", depth_, frame_id) << location; 20906e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd8BE(buf_, frame_id); 20916e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAddLocation(buf_, location); 20926e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 20936e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes ++depth_; 2094530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 209503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 20966e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes 20976e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes private: 20986e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes size_t depth_; 20996e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t start_frame_; 21006e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t frame_count_; 21016e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::ExpandBuf* buf_; 210203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 210300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 210400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2105a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2106221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2107221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2108221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2109221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2110221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2111f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2112f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2113f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 21147a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor visitor(thread, start_frame, frame_count, buf); 21150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 21166e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 2117872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2118872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2119872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetThreadSelfId() { 2120dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 2121cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers return gRegistry->Add(soa.Self()->GetPeer()); 2122872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2123872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2124475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::SuspendVM() { 212500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Runtime::Current()->GetThreadList()->SuspendAllForDebugger(); 2126872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2127872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2128872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ResumeVM() { 2129c61a267e98ed1038b74c33c7740414ced4a27d89Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 2130872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2131872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2132221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::SuspendThread(JDWP::ObjectId thread_id, bool request_suspension) { 213300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> peer(Thread::Current()->GetJniEnv(), NULL); 213400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 213500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 21362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers peer.reset(soa.AddLocalReference<jobject>(gRegistry->Get<mirror::Object*>(thread_id))); 213700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 213800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (peer.get() == NULL) { 213900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 214000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 214100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend thread to build stack trace. 2142f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes bool timed_out; 2143d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* thread = ThreadList::SuspendThreadByPeer(peer.get(), request_suspension, true, 2144d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 214500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (thread != NULL) { 214600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_NONE; 2147f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else if (timed_out) { 214800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_INTERNAL; 214900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } else { 215000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 21514e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 2152872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2153872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2154221229cb523f849f165fdafbf9785010963715daElliott Hughesvoid Dbg::ResumeThread(JDWP::ObjectId thread_id) { 215500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 21562dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = gRegistry->Get<mirror::Object*>(thread_id); 2157a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao Thread* thread; 2158a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao { 2159a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2160a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao thread = Thread::FromManagedThread(soa, peer); 2161a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao } 21624e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes if (thread == NULL) { 21634e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes LOG(WARNING) << "No such thread for resume: " << peer; 21644e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return; 21654e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 216600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool needs_resume; 216700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 216850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 216900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers needs_resume = thread->GetSuspendCount() > 0; 217000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 217100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (needs_resume) { 2172546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes Runtime::Current()->GetThreadList()->Resume(thread, true); 2173546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 2174872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2175872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2176872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::SuspendSelf() { 2177475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes Runtime::Current()->GetThreadList()->SuspendSelfForDebugger(); 2178872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2179872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 21800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct GetThisVisitor : public StackVisitor { 21817a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 2182b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 21837a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), this_object(NULL), frame_id(frame_id) {} 218468fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 218500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 218600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 218700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 21886e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (frame_id != GetFrameId()) { 21890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // continue 21900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 219162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_object = GetThisObject(); 219262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return false; 21930399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 219468fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes } 2195dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 21962dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* this_object; 21976e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id; 21980399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers}; 2199ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 220000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan RogersJDWP::JdwpError Dbg::GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, 220100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* result) { 220200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 220300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread; 220400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 220550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2206221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2207221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2208221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 220900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 22109e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 221100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_SUSPENDED; 221200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 22136e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 2214caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes UniquePtr<Context> context(Context::Create()); 22157a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor visitor(thread, context.get(), frame_id); 22160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 22176e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes *result = gRegistry->Add(visitor.this_object); 22186e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 22190399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 22200399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2221cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::GetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2222cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint8_t* buf, size_t width) { 22230399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct GetLocalVisitor : public StackVisitor { 22249837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor(const ScopedObjectAccessUnchecked& soa, Thread* thread, Context* context, 22259837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint8_t* buf, size_t width) 2226b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 22279837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : StackVisitor(thread, context), soa_(soa), frame_id_(frame_id), slot_(slot), tag_(tag), 2228cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz buf_(buf), width_(width), error_(JDWP::ERR_NONE) {} 2229ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 223000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 223100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 223200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 22330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 22340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 22350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2237cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2238ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2239cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2240cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2241cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2242cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2243cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 22440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 22450399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 22460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 22470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BOOLEAN: 22480399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 22502bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22510399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get boolean local " << reg << " = " << intVal; 22520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_+1, intVal != 0); 22530399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22540399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22550399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BYTE: 22560399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22570399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 22582bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22590399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get byte local " << reg << " = " << intVal; 22600399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_+1, intVal); 22610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22630399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_SHORT: 22640399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CHAR: 22650399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 22672bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get short/char local " << reg << " = " << intVal; 22690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set2BE(buf_+1, intVal); 22700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_INT: 22732bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers { 22742bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 22752bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22762bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers VLOG(jdwp) << "get int local " << reg << " = " << intVal; 22772bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers JDWP::Set4BE(buf_+1, intVal); 22782bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 22792bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 22800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_FLOAT: 22810399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 22832bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kFloatVReg); 22840399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get int/float local " << reg << " = " << intVal; 22850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set4BE(buf_+1, intVal); 22860399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_ARRAY: 22890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 22912dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = reinterpret_cast<mirror::Object*>(GetVReg(m, reg, kReferenceVReg)); 22920399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get array local " << reg << " = " << o; 2293590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 22940399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Register " << reg << " expected to hold array: " << o; 22950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22960399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::SetObjectId(buf_+1, gRegistry->Add(o)); 22970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22980399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22990399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CLASS_LOADER: 23000399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CLASS_OBJECT: 23010399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_OBJECT: 23020399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_STRING: 23030399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_THREAD: 23040399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_THREAD_GROUP: 23050399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 23072dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = reinterpret_cast<mirror::Object*>(GetVReg(m, reg, kReferenceVReg)); 23080399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get object local " << reg << " = " << o; 2309590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 23100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Register " << reg << " expected to hold object: " << o; 23110399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23129837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag_ = TagFromObject(soa_, o); 23130399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::SetObjectId(buf_+1, gRegistry->Add(o)); 23140399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_DOUBLE: 23172bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers { 23182bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 23192bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t lo = GetVReg(m, reg, kDoubleLoVReg); 23202bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t hi = GetVReg(m, reg + 1, kDoubleHiVReg); 23212bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t longVal = (hi << 32) | lo; 23222bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers VLOG(jdwp) << "get double/long local " << hi << ":" << lo << " = " << longVal; 23232bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers JDWP::Set8BE(buf_+1, longVal); 23242bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 23252bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 23260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_LONG: 23270399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23280399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 23292bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t lo = GetVReg(m, reg, kLongLoVReg); 23302bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t hi = GetVReg(m, reg + 1, kLongHiVReg); 23310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint64_t longVal = (hi << 32) | lo; 23320399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get double/long local " << hi << ":" << lo << " = " << longVal; 23330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set8BE(buf_+1, longVal); 23340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers default: 23370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Unknown tag " << tag_; 23380399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 2340ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 23410399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // Prepend tag, which may have been updated. 23420399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_, tag_); 23430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 23440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23459837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const ScopedObjectAccessUnchecked& soa_; 23460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 23470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 23480399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::JdwpTag tag_; 23490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint8_t* const buf_; 23500399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2351cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 23520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 235300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 235400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2355a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2356221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2357221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2358221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2359cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2360221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2361cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 23620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers UniquePtr<Context> context(Context::Create()); 23639837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor visitor(soa, thread, context.get(), frame_id, slot, tag, buf, width); 23640399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2365cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 23660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 23670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2368cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::SetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2369cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint64_t value, size_t width) { 23700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SetLocalVisitor : public StackVisitor { 23717a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor(Thread* thread, Context* context, 23720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint64_t value, 2373ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers size_t width) 2374b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 23757a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), 2376cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz frame_id_(frame_id), slot_(slot), tag_(tag), value_(value), width_(width), 2377cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_(JDWP::ERR_NONE) {} 2378ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 237900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 238000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 238100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 23820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 23830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 2384ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes } 23850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2386cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2387ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2388cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2389cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2390cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2391cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2392cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 23930399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 23940399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 23950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 23960399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BOOLEAN: 23970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BYTE: 23980399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 23992bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24000399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24010399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_SHORT: 24020399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CHAR: 24030399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 24042bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24050399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_INT: 24072bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 24082bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24092bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 24100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_FLOAT: 24110399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 24122bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kFloatVReg); 24130399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24140399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_ARRAY: 24150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_OBJECT: 24160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_STRING: 24170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 24180399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 24192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(static_cast<JDWP::ObjectId>(value_)); 242064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 24210399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers UNIMPLEMENTED(FATAL) << "return an error code when given an invalid object to store"; 24220399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24232bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(reinterpret_cast<uintptr_t>(o)), kReferenceVReg); 24240399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24250399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_DOUBLE: 24272bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 24282bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kDoubleLoVReg); 24292bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg + 1, static_cast<uint32_t>(value_ >> 32), kDoubleHiVReg); 24302bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 24310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_LONG: 24320399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 24332bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kLongLoVReg); 24342bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg + 1, static_cast<uint32_t>(value_ >> 32), kLongHiVReg); 24350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers default: 24370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Unknown tag " << tag_; 24380399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24400399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 2441cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes } 24420399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 24430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 24440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 24450399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::JdwpTag tag_; 24460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const uint64_t value_; 24470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2448cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 24490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 245000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 245100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2452a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2453221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2454221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2455221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2456cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2457221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2458cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 245908fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes UniquePtr<Context> context(Context::Create()); 24607a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor visitor(thread, context.get(), frame_id, slot, tag, value, width); 24610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2462cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 2463872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2464872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2465ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersvoid Dbg::PostLocationEvent(mirror::ArtMethod* m, int dex_pc, mirror::Object* this_object, 2466579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao int event_flags, const JValue* return_value) { 246791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes JDWP::JdwpLocation location; 2468cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz SetLocation(location, m, dex_pc); 246991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 247064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // If 'this_object' isn't already in the registry, we know that we're not looking for it, 247164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // so there's no point adding it to the registry and burning through ids. 247264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::ObjectId this_id = 0; 247364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (gRegistry->Contains(this_object)) { 247464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes this_id = gRegistry->Add(this_object); 247591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 2476579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao gJdwpState->PostLocationEvent(&location, this_id, event_flags, return_value); 2477872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2478872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 247962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersvoid Dbg::PostException(Thread* thread, const ThrowLocation& throw_location, 2480ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, 248164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes uint32_t catch_dex_pc, mirror::Throwable* exception_object) { 2482c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 24830ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers return; 24840ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers } 24854740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 248662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers JDWP::JdwpLocation jdwp_throw_location; 248762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SetLocation(jdwp_throw_location, throw_location.GetMethod(), throw_location.GetDexPc()); 2488d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes JDWP::JdwpLocation catch_location; 2489caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes SetLocation(catch_location, catch_method, catch_dex_pc); 2490d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 2491d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // We need 'this' for InstanceOnly filters. 249262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers JDWP::ObjectId this_id = gRegistry->Add(throw_location.GetThis()); 249364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::ObjectId exception_id = gRegistry->Add(exception_object); 249464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId exception_class_id = gRegistry->AddRefType(exception_object->GetClass()); 2495d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 249662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers gJdwpState->PostException(&jdwp_throw_location, exception_id, exception_class_id, &catch_location, 249762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_id); 2498872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2499872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 25002dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::PostClassPrepare(mirror::Class* c) { 2501c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 25024740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes return; 25034740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes } 25044740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 25053d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes // OLD-TODO - we currently always send both "verified" and "prepared" since 25064740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // debuggers seem to like that. There might be some advantage to honesty, 25074740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // since the class may not yet be verified. 25084740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes int state = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 25094d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag tag = GetTypeTag(c); 2510fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers gJdwpState->PostClassPrepare(tag, gRegistry->Add(c), 2511dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers ClassHelper(c).GetDescriptor(), state); 2512872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2513872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 251462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersvoid Dbg::UpdateDebugger(Thread* thread, mirror::Object* this_object, 2515ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m, uint32_t dex_pc) { 251662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (!IsDebuggerActive() || dex_pc == static_cast<uint32_t>(-2) /* fake method exit */) { 25172aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes return; 251891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 251991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 25202aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes int event_flags = 0; 25212aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes 25228696433d1b3d8ba15288483b777edd888de69135Elliott Hughes if (IsBreakpoint(m, dex_pc)) { 25238696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kBreakpoint; 252491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 252591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 252661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // If the debugger is single-stepping one of our threads, check to 252761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // see if we're that thread and we've reached a step point. 252861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const SingleStepControl* single_step_control = thread->GetSingleStepControl(); 252961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 253061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->is_active) { 253161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK(!m->IsNative()); 253261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_depth == JDWP::SD_INTO) { 253361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step into method calls. We break when the line number 253461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // or method pointer changes. If we're in SS_MIN mode, we 253561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // always stop. 253661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->method != m) { 253761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 253861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new method"; 253961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_size == JDWP::SS_MIN) { 254061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 254161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new instruction"; 2542bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 254361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 254461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new line"; 254561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 254661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_depth == JDWP::SD_OVER) { 254761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step over method calls. We break when the line number is 254861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // different and the frame depth is <= the original frame 254961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth. (We can't just compare on the method, because we 255061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // might get unrolled past it by an exception, and it's tricky 255161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // to identify recursion.) 255261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 255361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 255461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 255561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 255661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Popped up one or more frames, always trigger. 255761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 255861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 255961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (stack_depth == single_step_control->stack_depth) { 256061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Same depth, see if we moved. 256161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_size == JDWP::SS_MIN) { 25628696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kSingleStep; 25638696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "SS new instruction"; 2564bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 25652435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes event_flags |= kSingleStep; 25662435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "SS new line"; 256791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 256861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 256961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else { 257061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK_EQ(single_step_control->step_depth, JDWP::SD_OUT); 257161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Return from the current method. We break when the frame 257261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth pops up. 257361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 257461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // This differs from the "method exit" break in that it stops 257561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // with the PC at the next instruction in the returned-to 257661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // function, rather than the end of the returning function. 257761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 257861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 257961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 258061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 258161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 25828696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 258391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 258491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 258591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 258691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // If there's something interesting going on, see if it matches one 258791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // of the debugger filters. 258891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (event_flags != 0) { 2589579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::PostLocationEvent(m, dex_pc, this_object, event_flags, nullptr); 259091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 259191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes} 259291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 25934d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz// Process request while all mutator threads are suspended. 25944d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::ProcessDeoptimizationRequest(const DeoptimizationRequest& request) { 2595138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 25964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz switch (request.kind) { 25974d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kNothing: 25984d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(WARNING) << "Ignoring empty deoptimization request."; 25994d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26004d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: 26014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Deoptimize the world"; 26024d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->DeoptimizeEverything(); 26034d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26044d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: 26054d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Undeoptimize the world"; 26064d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->UndeoptimizeEverything(); 26074d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26084d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: 26094d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.method); 26104d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->Deoptimize(request.method); 26114d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26124d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: 26134d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.method); 26144d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->Undeoptimize(request.method); 26154d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26164d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: 26174d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(FATAL) << "Unsupported deoptimization request kind " << request.kind; 26184d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26194d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26204d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 26214d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 26224d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::RequestDeoptimization(const DeoptimizationRequest& req) { 26234d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (req.kind == DeoptimizationRequest::kNothing) { 26244d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz // Nothing to do. 26254d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz return; 26264d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26274d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 26284d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz switch (req.kind) { 26294d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: { 26304d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method == nullptr); 26314d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 26324d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Request full deoptimization"; 26334d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2634138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 26354d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ++full_deoptimization_event_count_; 26364d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26374d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: { 26394d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method == nullptr); 26404d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK_GT(full_deoptimization_event_count_, 0U); 26414d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz --full_deoptimization_event_count_; 26424d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 26434d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Request full undeoptimization"; 26444d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2645138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 26464d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26474d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26484d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: { 26494d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method != nullptr); 26504d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Request deoptimization of " << PrettyMethod(req.method); 26514d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 26524d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26534d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26544d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: { 26554d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method != nullptr); 26564d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz VLOG(jdwp) << "Request undeoptimization of " << PrettyMethod(req.method); 26574d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 26584d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26604d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: { 26614d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(FATAL) << "Unknown deoptimization request kind " << req.kind; 26624d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 2663138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2664138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2665138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 2666138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2667138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertzvoid Dbg::ManageDeoptimization() { 2668138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Thread* const self = Thread::Current(); 2669138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 2670138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Avoid suspend/resume if there is no pending request. 26714d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 26724d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_requests_.empty()) { 2673138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz return; 2674138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2675138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2676138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 2677138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromRunnableToSuspended(kWaitingForDeoptimization); 2678138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // We need to suspend mutator threads first. 2679138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Runtime* const runtime = Runtime::Current(); 2680138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->SuspendAll(); 2681138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz const ThreadState old_state = self->SetStateUnsafe(kRunnable); 26824d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 26834d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 26844d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (const DeoptimizationRequest& request : deoptimization_requests_) { 26854d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ProcessDeoptimizationRequest(request); 26864d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26874d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 26884d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 2689138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 2690138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->ResumeAll(); 2691138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromSuspendedToRunnable(); 2692138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 2693138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2694a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic bool IsMethodPossiblyInlined(Thread* self, mirror::ArtMethod* m) 2695a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2696a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MethodHelper mh(m); 2697a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 2698a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (code_item == nullptr) { 2699a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // TODO We should not be asked to watch location in a native or abstract method so the code item 2700a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // should never be null. We could just check we never encounter this case. 2701a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return false; 2702a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2703a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SirtRef<mirror::DexCache> dex_cache(self, mh.GetDexCache()); 2704a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SirtRef<mirror::ClassLoader> class_loader(self, mh.GetClassLoader()); 2705a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz verifier::MethodVerifier verifier(&mh.GetDexFile(), &dex_cache, &class_loader, 2706a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz &mh.GetClassDef(), code_item, m->GetDexMethodIndex(), m, 2707a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz m->GetAccessFlags(), false, true); 2708a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: we don't need to verify the method. 2709a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return InlineMethodAnalyser::AnalyseMethodCode(&verifier, nullptr); 2710a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2711138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2712a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic const Breakpoint* FindFirstBreakpointForMethod(mirror::ArtMethod* m) 2713a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) { 2714a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 2715a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (breakpoint.method == m) { 2716a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return &breakpoint; 2717138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2718a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2719a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return nullptr; 2720a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2721138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2722a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Sanity checks all existing breakpoints on the same method. 2723a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic void SanityCheckExistingBreakpoints(mirror::ArtMethod* m, bool need_full_deoptimization) 2724a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) { 2725a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (kIsDebugBuild) { 2726a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 2727a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK_EQ(need_full_deoptimization, breakpoint.need_full_deoptimization); 2728a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2729a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2730a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have deoptimized everything but not "selectively" deoptimized this method. 2731a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->AreAllMethodsDeoptimized()); 2732a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(!Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2733a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2734a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have "selectively" deoptimized this method. 2735a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: while we have not deoptimized everything for this method, we may have done it for 2736a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // another event. 2737a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2738a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2739138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2740a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2741138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2742a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Installs a breakpoint at the specified location. Also indicates through the deoptimization 2743a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to deoptimize. 2744a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzvoid Dbg::WatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 2745a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz Thread* const self = Thread::Current(); 2746a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz mirror::ArtMethod* m = FromMethodId(location->method_id); 2747a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 2748a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2749a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MutexLock mu(self, *Locks::breakpoint_lock_); 2750a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 2751a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization; 2752a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 2753a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no breakpoint on this method yet: we need to deoptimize. If this method may be 2754a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // inlined, we deoptimize everything; otherwise we deoptimize only this method. 2755a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = IsMethodPossiblyInlined(self, m); 2756a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2757a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kFullDeoptimization; 2758a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2759a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2760a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kSelectiveDeoptimization; 2761a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = m; 2762a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2763a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2764a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to deoptimize. 2765a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kNothing; 2766a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2767a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2768a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = existing_breakpoint->need_full_deoptimization; 2769a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 2770138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2771a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2772a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.push_back(Breakpoint(m, location->dex_pc, need_full_deoptimization)); 2773a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Set breakpoint #" << (gBreakpoints.size() - 1) << ": " 2774a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz << gBreakpoints[gBreakpoints.size() - 1]; 2775872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2776872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2777a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Uninstalls a breakpoint at the specified location. Also indicates through the deoptimization 2778a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to undeoptimize. 27794d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::UnwatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 2780ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(location->method_id); 2781a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 2782138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2783a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 2784a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization = false; 2785a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 2786a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (gBreakpoints[i].method == m && gBreakpoints[i].dex_pc == location->dex_pc) { 2787a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Removed breakpoint #" << i << ": " << gBreakpoints[i]; 2788a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = gBreakpoints[i].need_full_deoptimization; 2789a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK_NE(need_full_deoptimization, Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2790a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.erase(gBreakpoints.begin() + i); 2791a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz break; 2792138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2793138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2794a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 2795a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 2796a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no more breakpoint on this method: we need to undeoptimize. 2797a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2798a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required full deoptimization: we need to undeoptimize everything. 2799a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kFullUndeoptimization; 2800a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2801a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2802a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required selective deoptimization: we need to undeoptimize only that method. 2803a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kSelectiveUndeoptimization; 2804a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = m; 2805a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2806a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2807a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to undeoptimize. 2808a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kNothing; 2809a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2810a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 28118696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2812872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2813872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2814449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// Scoped utility class to suspend a thread so that we may do tasks such as walk its stack. Doesn't 2815449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// cause suspension if the thread is the current thread. 2816449db33fafa29578df60e8a323f78d5eb6247e76Jeff Haoclass ScopedThreadSuspension { 2817449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao public: 281833e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers ScopedThreadSuspension(Thread* self, JDWP::ObjectId thread_id) 281952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_) 282033e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) : 2821449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao thread_(NULL), 2822449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_(JDWP::ERR_NONE), 2823449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_(false), 282433e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers other_suspend_(false) { 2825449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedObjectAccessUnchecked soa(self); 2826449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao { 2827449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2828449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = DecodeThread(soa, thread_id, thread_); 2829449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2830449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (error_ == JDWP::ERR_NONE) { 2831449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (thread_ == soa.Self()) { 2832449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_ = true; 2833449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 2834449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao soa.Self()->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 2835449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao jobject thread_peer = gRegistry->GetJObject(thread_id); 2836449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool timed_out; 2837d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* suspended_thread = ThreadList::SuspendThreadByPeer(thread_peer, true, true, 2838d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 2839449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(soa.Self()->TransitionFromSuspendedToRunnable(), kWaitingForDebuggerSuspension); 2840449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (suspended_thread == NULL) { 2841449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao // Thread terminated from under us while suspending. 2842449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = JDWP::ERR_INVALID_THREAD; 2843449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 2844449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(suspended_thread, thread_); 2845449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao other_suspend_ = true; 2846449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2847449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2848449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2849449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2850449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2851449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* GetThread() const { 2852449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return thread_; 2853449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2854449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2855449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError GetError() const { 2856449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return error_; 2857449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2858449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2859449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ~ScopedThreadSuspension() { 2860449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (other_suspend_) { 2861449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Runtime::Current()->GetThreadList()->Resume(thread_, true); 2862449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2863449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2864449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2865449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao private: 2866449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* thread_; 2867449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError error_; 2868449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool self_suspend_; 2869449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool other_suspend_; 2870449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao}; 2871449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2872221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize step_size, 287300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpStepDepth step_depth) { 2874449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* self = Thread::Current(); 2875449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedThreadSuspension sts(self, thread_id); 2876449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (sts.GetError() != JDWP::ERR_NONE) { 2877449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return sts.GetError(); 28782435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 28798696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 28802435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 28812435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Work out what Method* we're in, the current line number, and how deep the stack currently 28822435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // is for step-out. 28832435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 28842435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 28850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SingleStepStackVisitor : public StackVisitor { 288661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz explicit SingleStepStackVisitor(Thread* thread, SingleStepControl* single_step_control, 288761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* line_number) 2888b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 288961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz : StackVisitor(thread, NULL), single_step_control_(single_step_control), 289061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz line_number_(line_number) { 289161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK_EQ(single_step_control_, thread->GetSingleStepControl()); 289261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = NULL; 289361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->stack_depth = 0; 28948696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2895ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 289600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 289700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 289800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 289961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz mirror::ArtMethod* m = GetMethod(); 29000399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 290161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ++single_step_control_->stack_depth; 290261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control_->method == NULL) { 2903ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::DexCache* dex_cache = m->GetDeclaringClass()->GetDexCache(); 290461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = m; 290561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = -1; 29062435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (dex_cache != NULL) { 29074445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *dex_cache->GetDexFile(); 290861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = dex_file.GetLineNumFromPC(m, GetDexPc()); 29092435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29108696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 29118696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2912530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 29138696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 291461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 291561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 291661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* const line_number_; 29178696433d1b3d8ba15288483b777edd888de69135Elliott Hughes }; 2918449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 291961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* const thread = sts.GetThread(); 292061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control = thread->GetSingleStepControl(); 292161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 292261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t line_number = -1; 292361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepStackVisitor visitor(thread, single_step_control, &line_number); 29240399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 29258696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 29262435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 29272435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Find the dex_pc values that correspond to the current line, for line-based single-stepping. 29282435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 29292435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 29302435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes struct DebugCallbackContext { 2931bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz explicit DebugCallbackContext(SingleStepControl* single_step_control, int32_t line_number, 2932bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* code_item) 2933bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz : single_step_control_(single_step_control), line_number_(line_number), code_item_(code_item), 293461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz last_pc_valid(false), last_pc(0) { 29352435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29362435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 293761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz static bool Callback(void* raw_context, uint32_t address, uint32_t line_number) { 29382435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes DebugCallbackContext* context = reinterpret_cast<DebugCallbackContext*>(raw_context); 293961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (static_cast<int32_t>(line_number) == context->line_number_) { 29402435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (!context->last_pc_valid) { 29412435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything from this address until the next line change is ours. 29422435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc = address; 29432435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = true; 29442435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29452435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Otherwise, if we're already in a valid range for this line, 29462435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // just keep going (shouldn't really happen)... 29477934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom } else if (context->last_pc_valid) { // and the line number is new 29482435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Add everything from the last entry up until here to the set 29492435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = context->last_pc; dex_pc < address; ++dex_pc) { 295061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz context->single_step_control_->dex_pcs.insert(dex_pc); 29512435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29522435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = false; 29532435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29547934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return false; // There may be multiple entries for any given line. 29552435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29562435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 295761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ~DebugCallbackContext() { 29582435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // If the line number was the last in the position table... 29592435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (last_pc_valid) { 2960bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz size_t end = code_item_->insns_size_in_code_units_; 29612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = last_pc; dex_pc < end; ++dex_pc) { 296261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->dex_pcs.insert(dex_pc); 29632435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29642435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29652435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29662435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 296761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 296861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const int32_t line_number_; 2969bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item_; 29702435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes bool last_pc_valid; 29712435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes uint32_t last_pc; 29722435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes }; 297361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->dex_pcs.clear(); 2974ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = single_step_control->method; 297561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (!m->IsNative()) { 29763e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes MethodHelper mh(m); 2977bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item = mh.GetCodeItem(); 2978bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz DebugCallbackContext context(single_step_control, line_number, code_item); 2979bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 29803e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes DebugCallbackContext::Callback, NULL, &context); 29813e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes } 29822435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 29832435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 29842435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything else... 29852435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 29862435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 298761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_size = step_size; 298861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_depth = step_depth; 298961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->is_active = true; 29908696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 29912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (VLOG_IS_ON(jdwp)) { 299261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step thread: " << *thread; 299361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step size: " << single_step_control->step_size; 299461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step depth: " << single_step_control->step_depth; 299561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current method: " << PrettyMethod(single_step_control->method); 299661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current line: " << line_number; 299761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current stack depth: " << single_step_control->stack_depth; 29982435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "Single-step dex_pc values:"; 2999bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz for (uint32_t dex_pc : single_step_control->dex_pcs) { 3000bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz VLOG(jdwp) << StringPrintf(" %#x", dex_pc); 30012435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30022435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30032435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 30042435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 3005872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3006872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 300761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertzvoid Dbg::UnconfigureStep(JDWP::ObjectId thread_id) { 300861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 300961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 301061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* thread; 301161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 301287118ed6f3f99e7df33214c277cf200a7b9a7499Sebastien Hertz if (error == JDWP::ERR_NONE) { 301361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* single_step_control = thread->GetSingleStepControl(); 301461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 3015bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz single_step_control->Clear(); 301661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 3017872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3018872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 301945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughesstatic char JdwpTagToShortyChar(JDWP::JdwpTag tag) { 302045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes switch (tag) { 302145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes default: 302245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes LOG(FATAL) << "unknown JDWP tag: " << PrintableChar(tag); 302345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 302445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Primitives. 302545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BYTE: return 'B'; 302645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CHAR: return 'C'; 302745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_FLOAT: return 'F'; 302845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_DOUBLE: return 'D'; 302945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_INT: return 'I'; 303045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_LONG: return 'J'; 303145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_SHORT: return 'S'; 303245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_VOID: return 'V'; 303345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BOOLEAN: return 'Z'; 303445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 303545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Reference types. 303645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_ARRAY: 303745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_OBJECT: 303845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_STRING: 303945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD: 304045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD_GROUP: 304145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_LOADER: 304245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_OBJECT: 304345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return 'L'; 304445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 304545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes} 304645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 304788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::InvokeMethod(JDWP::ObjectId thread_id, JDWP::ObjectId object_id, 304888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::RefTypeId class_id, JDWP::MethodId method_id, 304900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint32_t arg_count, uint64_t* arg_values, 305000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* arg_types, uint32_t options, 305100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* pResultTag, uint64_t* pResultValue, 305200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* pExceptionId) { 3053d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes ThreadList* thread_list = Runtime::Current()->GetThreadList(); 3054d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3055d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes Thread* targetThread = NULL; 3056d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes DebugInvokeReq* req = NULL; 305700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 3058d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 305900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 306050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3061221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, targetThread); 3062221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 3063221229cb523f849f165fdafbf9785010963715daElliott Hughes LOG(ERROR) << "InvokeMethod request for invalid thread id " << thread_id; 3064221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 3065d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3066d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes req = targetThread->GetInvokeReq(); 3067d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (!req->ready) { 3068d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << "InvokeMethod request for thread not stopped by event: " << *targetThread; 3069d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return JDWP::ERR_INVALID_THREAD; 3070d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3071d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3072d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3073d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We currently have a bug where we don't successfully resume the 3074d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * target thread if the suspend count is too deep. We're expected to 3075d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * require one "resume" for each "suspend", but when asked to execute 3076d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a method we have to resume fully and then re-suspend it back to the 3077d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * same level. (The easiest way to cause this is to type "suspend" 3078d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * multiple times in jdb.) 3079d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3080d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * It's unclear what this means when the event specifies "resume all" 3081d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * and some threads are suspended more deeply than others. This is 3082d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a rare problem, so for now we just prevent it from hanging forever 3083d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * by rejecting the method invocation request. Without this, we will 3084d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * be stuck waiting on a suspended thread. 3085d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 308600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int suspend_count; 308700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 308850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 308900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers suspend_count = targetThread->GetSuspendCount(); 309000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 3091d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (suspend_count > 1) { 3092d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << *targetThread << " suspend count too deep for method invocation: " << suspend_count; 30937934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return JDWP::ERR_THREAD_SUSPENDED; // Probably not expected here. 3094d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3095d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 30963f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes JDWP::JdwpError status; 30972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* receiver = gRegistry->Get<mirror::Object*>(object_id); 309864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (receiver == ObjectRegistry::kInvalidObject) { 30993f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 31003f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 310145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 31022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread = gRegistry->Get<mirror::Object*>(thread_id); 310364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread == ObjectRegistry::kInvalidObject) { 31043f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 31053f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 310645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // TODO: check that 'thread' is actually a java.lang.Thread! 310745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 31082dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 310945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (c == NULL) { 31103f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return status; 31113f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 311245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3113ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 311445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic() != (receiver == NULL)) { 311545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 311645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 311745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic()) { 311845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->GetDeclaringClass() != c) { 311945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 312045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 312145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } else { 312245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { 312345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 312445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 312545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 312645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 312745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Check the argument list matches the method. 312845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes MethodHelper mh(m); 312945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (mh.GetShortyLength() - 1 != arg_count) { 313045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 313145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 313245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes const char* shorty = mh.GetShorty(); 31330920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes const DexFile::TypeList* types = mh.GetParameterTypeList(); 313445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes for (size_t i = 0; i < arg_count; ++i) { 313545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (shorty[i + 1] != JdwpTagToShortyChar(arg_types[i])) { 313645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 313745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 31380920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 31390920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes if (shorty[i + 1] == 'L') { 31400920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes // Did we really get an argument of an appropriate reference type? 31410920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes mirror::Class* parameter_type = mh.GetClassFromTypeIdx(types->GetTypeItem(i).type_idx_); 31420920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes mirror::Object* argument = gRegistry->Get<mirror::Object*>(arg_values[i]); 31430920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes if (argument == ObjectRegistry::kInvalidObject) { 31440920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 31450920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 31460630ab5239a7d7be24dedbc3f66c822332446fc3Sebastien Hertz if (argument != NULL && !argument->InstanceOf(parameter_type)) { 31470920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 31480920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 31490920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 31500920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes // Turn the on-the-wire ObjectId into a jobject. 31510920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes jvalue& v = reinterpret_cast<jvalue&>(arg_values[i]); 31520920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes v.l = gRegistry->GetJObject(arg_values[i]); 31530920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 315445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 315545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3156d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->receiver = receiver; 3157d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->thread = thread; 3158d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->klass = c; 3159d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->method = m; 3160d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_count = arg_count; 3161d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_values = arg_values; 3162d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->options = options; 3163d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->invoke_needed = true; 3164d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3165d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3166d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // The fact that we've released the thread list lock is a bit risky --- if the thread goes 3167d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // away we're sitting high and dry -- but we must release this before the ResumeAllThreads 3168d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // call, and it's unwise to hold it during WaitForSuspend. 3169d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3170d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3171d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3172d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We change our (JDWP thread) status, which should be THREAD_RUNNING, 317381ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * so we can suspend for a GC if the invoke request causes us to 3174d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * run out of memory. It's also a good idea to change it before locking 3175d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the invokeReq mutex, although that should never be held for long. 3176d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 317700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSend); 3178d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 31794dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Transferring control to event thread"; 3180d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3181d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz MutexLock mu(self, req->lock); 3182d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3183d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 31844dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming all threads"; 318500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->UndoDebuggerSuspensions(); 3186d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 31874dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread only"; 3188d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3189d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3190d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3191d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Wait for the request to finish executing. 3192d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz while (req->invoke_needed) { 3193d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->cond.Wait(self); 3194d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3195d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 31964dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Control has returned from event thread"; 3197d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3198d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* wait for thread to re-suspend itself */ 3199df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom SuspendThread(thread_id, false /* request_suspension */); 320000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 3201d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3202d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3203d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3204d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Suspend the threads. We waited for the target thread to suspend 3205d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * itself, so all we need to do is suspend the others. 3206d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3207d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * The suspendAllThreads() call will double-suspend the event thread, 3208d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * so we want to resume the target thread once to keep the books straight. 3209d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3210d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 321100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 32124dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Suspending all threads"; 321300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->SuspendAllForDebugger(); 321400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 32154dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread to balance the count"; 3216d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3217d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3218d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3219d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Copy the result. 3220d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pResultTag = req->result_tag; 3221d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (IsPrimitiveTag(req->result_tag)) { 3222f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = req->result_value.GetJ(); 3223d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 3224f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = gRegistry->Add(req->result_value.GetL()); 3225d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3226d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pExceptionId = req->exception; 3227d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return req->error; 3228872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3229872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3230872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ExecuteMethod(DebugInvokeReq* pReq) { 323100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 3232d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 323381ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes // We can be called while an exception is pending. We need 3234d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // to preserve that across the method invocation. 323562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SirtRef<mirror::Object> old_throw_this_object(soa.Self(), NULL); 3236ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom SirtRef<mirror::ArtMethod> old_throw_method(soa.Self(), NULL); 323762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SirtRef<mirror::Throwable> old_exception(soa.Self(), NULL); 323862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t old_throw_dex_pc; 323962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers { 324062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation old_throw_location; 324162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* old_exception_obj = soa.Self()->GetException(&old_throw_location); 324262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_this_object.reset(old_throw_location.GetThis()); 324362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_method.reset(old_throw_location.GetMethod()); 324462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_exception.reset(old_exception_obj); 324562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc = old_throw_location.GetDexPc(); 324662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 324762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 3248d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3249d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Translate the method through the vtable, unless the debugger wants to suppress it. 3250c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::ArtMethod> m(soa.Self(), pReq->method); 3251d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz if ((pReq->options & JDWP::INVOKE_NONVIRTUAL) == 0 && pReq->receiver != NULL) { 325283a47d8a950867da833dfb5c3d8ddfb3d87a8cfeSebastien Hertz mirror::ArtMethod* actual_method = pReq->klass->FindVirtualMethodForVirtualOrInterface(m.get()); 3253c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier if (actual_method != m.get()) { 3254c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier VLOG(jdwp) << "ExecuteMethod translated " << PrettyMethod(m.get()) << " to " << PrettyMethod(actual_method); 3255c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier m.reset(actual_method); 325645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 3257d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3258c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier VLOG(jdwp) << "ExecuteMethod " << PrettyMethod(m.get()) 3259d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " receiver=" << pReq->receiver 3260d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " arg_count=" << pReq->arg_count; 3261c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier CHECK(m.get() != nullptr); 3262d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3263d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes CHECK_EQ(sizeof(jvalue), sizeof(uint64_t)); 3264d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 326583a47d8a950867da833dfb5c3d8ddfb3d87a8cfeSebastien Hertz pReq->result_value = InvokeWithJValues(soa, pReq->receiver, soa.EncodeMethod(m.get()), 326653b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers reinterpret_cast<jvalue*>(pReq->arg_values)); 3267d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 326862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 326962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 327062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers pReq->exception = gRegistry->Add(exception); 3271c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier pReq->result_tag = BasicTagFromDescriptor(MethodHelper(m.get()).GetShorty()); 3272d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (pReq->exception != 0) { 327362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers VLOG(jdwp) << " JDWP invocation returning with exception=" << exception 327462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << " " << exception->Dump(); 3275f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes pReq->result_value.SetJ(0); 3276d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else if (pReq->result_tag == JDWP::JT_OBJECT) { 3277d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* if no exception thrown, examine object result more closely */ 32789837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag new_tag = TagFromObject(soa, pReq->result_value.GetL()); 3279d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (new_tag != pReq->result_tag) { 32804dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " JDWP promoted result from " << pReq->result_tag << " to " << new_tag; 3281d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes pReq->result_tag = new_tag; 3282d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3283d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3284d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3285d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Register the object. We don't actually need an ObjectId yet, 3286d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * but we do need to be sure that the GC won't move or discard the 3287d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * object when we switch out of RUNNING. The ObjectId conversion 3288d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * will add the object to the "do not touch" list. 3289d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3290d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We can't use the "tracked allocation" mechanism here because 3291d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the object is going to be handed off to a different thread. 3292d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3293f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes gRegistry->Add(pReq->result_value.GetL()); 3294d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3295d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3296d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (old_exception.get() != NULL) { 329762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation gc_safe_throw_location(old_throw_this_object.get(), old_throw_method.get(), 329862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc); 329962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->SetException(gc_safe_throw_location, old_exception.get()); 3300d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3301872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3302872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3303d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes/* 33044b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes * "request" contains a full JDWP packet, possibly with multiple chunks. We 3305f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * need to process each, accumulate the replies, and ship the whole thing 3306f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * back. 3307f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3308f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Returns "true" if we have a reply. The reply buffer is newly allocated, 3309f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * and includes the chunk type/length, followed by the data. 3310f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 33113d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes * OLD-TODO: we currently assume that the request and reply include a single 3312f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * chunk. If this becomes inconvenient we will need to adapt. 3313f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 33144b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughesbool Dbg::DdmHandlePacket(JDWP::Request& request, uint8_t** pReplyBuf, int* pReplyLen) { 3315f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes Thread* self = Thread::Current(); 3316f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes JNIEnv* env = self->GetJniEnv(); 3317f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 33184b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t type = request.ReadUnsigned32("type"); 33194b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t length = request.ReadUnsigned32("length"); 33204b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 33214b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes // Create a byte[] corresponding to 'request'. 33224b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes size_t request_length = request.size(); 33234b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes ScopedLocalRef<jbyteArray> dataArray(env, env->NewByteArray(request_length)); 33246a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (dataArray.get() == NULL) { 33254b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes LOG(WARNING) << "byte[] allocation failed: " << request_length; 3326f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3327f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3328f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 33294b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes env->SetByteArrayRegion(dataArray.get(), 0, request_length, reinterpret_cast<const jbyte*>(request.data())); 33304b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes request.Skip(request_length); 3331f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3332f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Run through and find all chunks. [Currently just find the first.] 33336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ScopedByteArrayRO contents(env, dataArray.get()); 33344b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (length != request_length) { 3335ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers LOG(WARNING) << StringPrintf("bad chunk found (len=%u pktLen=%zd)", length, request_length); 3336f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3337f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3338f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3339f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Call "private static Chunk dispatch(int type, byte[] data, int offset, int length)". 3340eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jobject> chunk(env, env->CallStaticObjectMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3341eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch, 33424b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes type, dataArray.get(), 0, length)); 3343f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (env->ExceptionCheck()) { 3344f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(INFO) << StringPrintf("Exception thrown by dispatcher for 0x%08x", type); 3345f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionDescribe(); 3346f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3347f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3348f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3349f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 33506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (chunk.get() == NULL) { 3351f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3352f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3353f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3354f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes /* 3355f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Pull the pieces out of the chunk. We copy the results into a 3356f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * newly-allocated buffer that the caller can free. We don't want to 3357f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * continue using the Chunk object because nothing has a reference to it. 3358f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3359f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * We could avoid this by returning type/data/offset/length and having 3360f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * the caller be aware of the object lifetime issues, but that 336181ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * integrates the JDWP code more tightly into the rest of the runtime, and doesn't work 3362f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * if we have responses for multiple chunks. 3363f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3364f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * So we're pretty much stuck with copying data around multiple times. 3365f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 3366eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jbyteArray> replyData(env, reinterpret_cast<jbyteArray>(env->GetObjectField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data))); 33674b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes jint offset = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset); 3368eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes length = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length); 3369eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes type = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type); 3370f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 33714dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << StringPrintf("DDM reply: type=0x%08x data=%p offset=%d length=%d", type, replyData.get(), offset, length); 33726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (length == 0 || replyData.get() == NULL) { 3373f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3374f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3375f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 33764b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes const int kChunkHdrLen = 8; 3377f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes uint8_t* reply = new uint8_t[length + kChunkHdrLen]; 3378f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (reply == NULL) { 3379f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(WARNING) << "malloc failed: " << (length + kChunkHdrLen); 3380f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3381f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3382f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 0, type); 3383f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 4, length); 33846a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes env->GetByteArrayRegion(replyData.get(), offset, length, reinterpret_cast<jbyte*>(reply + kChunkHdrLen)); 3385f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3386f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyBuf = reply; 3387f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyLen = length + kChunkHdrLen; 3388f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 33894b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes VLOG(jdwp) << StringPrintf("dvmHandleDdm returning type=%.4s %p len=%d", reinterpret_cast<char*>(reply), reply, length); 3390f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return true; 3391872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3392872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3393a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::DdmBroadcast(bool connect) { 33944dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Broadcasting DDM " << (connect ? "connect" : "disconnect") << "..."; 339547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 339647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes Thread* self = Thread::Current(); 339750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->GetState() != kRunnable) { 339850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers LOG(ERROR) << "DDM broadcast in thread state " << self->GetState(); 339950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers /* try anyway? */ 340047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 340147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 340247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes JNIEnv* env = self->GetJniEnv(); 340347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes jint event = connect ? 1 /*DdmServer.CONNECTED*/ : 2 /*DdmServer.DISCONNECTED*/; 3404eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes env->CallStaticVoidMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3405eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast, 3406eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes event); 340747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (env->ExceptionCheck()) { 340847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes LOG(ERROR) << "DdmServer.broadcast " << event << " failed"; 340947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionDescribe(); 341047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionClear(); 341147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 341247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 341347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3414872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmConnected() { 3415a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(true); 3416872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3417872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3418872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmDisconnected() { 3419a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(false); 342047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = false; 342147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 342247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 342347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes/* 34248218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes * Send a notification when a thread starts, stops, or changes its name. 342547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * 342647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * Because we broadcast the full set of threads when the notifications are 342747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * first enabled, it's possible for "thread" to be actively executing. 342847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes */ 34298218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendThreadNotification(Thread* t, uint32_t type) { 343047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (!gDdmThreadNotification) { 343147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes return; 343247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 343347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 34348218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes if (type == CHUNK_TYPE("THDE")) { 34358218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes uint8_t buf[4]; 3436d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Set4BE(&buf[0], t->GetThreadId()); 34378218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("THDE"), 4, buf); 34388218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes } else { 34398218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes CHECK(type == CHUNK_TYPE("THCR") || type == CHUNK_TYPE("THNM")) << type; 344000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 34412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers SirtRef<mirror::String> name(soa.Self(), t->GetThreadName(soa)); 344247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes size_t char_count = (name.get() != NULL) ? name->GetLength() : 0; 3443725a957985171d712d5c048cc3d00ff14968784bjeffhao const jchar* chars = (name.get() != NULL) ? name->GetCharArray()->GetData() : NULL; 344447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 344521f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3446d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Append4BE(bytes, t->GetThreadId()); 3447545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::AppendUtf16BE(bytes, chars, char_count); 344821f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), char_count*2 + sizeof(uint32_t)*2); 344921f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(type, bytes); 345047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 345147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 345247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 345347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::DdmSetThreadNotification(bool enable) { 345400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Enable/disable thread notifications. 345547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = enable; 345647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (enable) { 345700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend the VM then post thread start notifications for all threads. Threads attaching will 345800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // see a suspension in progress and block until that ends. They then post their own start 345900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // notification. 346000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers SuspendVM(); 346100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::list<Thread*> threads; 346250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 346300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 346450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, *Locks::thread_list_lock_); 346500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers threads = Runtime::Current()->GetThreadList()->GetList(); 346600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 346700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 346850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 346902e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (Thread* thread : threads) { 347002e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier Dbg::DdmSendThreadNotification(thread, CHUNK_TYPE("THCR")); 347100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 347200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 347300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ResumeVM(); 347447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 347547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 347647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3477a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::PostThreadStartOrStop(Thread* t, uint32_t type) { 3478c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (IsDebuggerActive()) { 3479dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 3480cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers JDWP::ObjectId id = gRegistry->Add(t->GetPeer()); 34818218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes gJdwpState->PostThreadChange(id, type == CHUNK_TYPE("THCR")); 348247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 34838218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendThreadNotification(t, type); 348447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 348547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 348647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadStart(Thread* t) { 3487a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THCR")); 348847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 348947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 349047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadDeath(Thread* t) { 3491a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THDE")); 3492872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3493872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 34948218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, size_t byte_count, const uint8_t* buf) { 34953bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(buf != NULL); 34963bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes iovec vec[1]; 34973bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_base = reinterpret_cast<void*>(const_cast<uint8_t*>(buf)); 34983bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_len = byte_count; 34993bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Dbg::DdmSendChunkV(type, vec, 1); 3500872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3501872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 350221f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, const std::vector<uint8_t>& bytes) { 350321f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes DdmSendChunk(type, bytes.size(), &bytes[0]); 350421f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes} 350521f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes 3506f52935278fca8c7aa220543eef4544e3d1105d91Brian Carlstromvoid Dbg::DdmSendChunkV(uint32_t type, const iovec* iov, int iov_count) { 35073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (gJdwpState == NULL) { 35084dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Debugger thread not active, ignoring DDM send: " << type; 35093bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 3510cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes gJdwpState->DdmSendChunkV(type, iov, iov_count); 35113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 3512872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3513872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3514767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesint Dbg::DdmHandleHpifChunk(HpifWhen when) { 3515767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when == HPIF_WHEN_NOW) { 35167162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(when); 3517767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3518767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3519767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3520767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPIF_WHEN_NEVER && when != HPIF_WHEN_NEXT_GC && when != HPIF_WHEN_EVERY_GC) { 3521767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpifWhen value: " << static_cast<int>(when); 3522767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3523767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3524767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3525767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpifWhen = when; 3526767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3527767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3528767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3529767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesbool Dbg::DdmHandleHpsgNhsgChunk(Dbg::HpsgWhen when, Dbg::HpsgWhat what, bool native) { 3530767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPSG_WHEN_NEVER && when != HPSG_WHEN_EVERY_GC) { 3531767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhen value: " << static_cast<int>(when); 3532767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3533767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3534767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3535767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (what != HPSG_WHAT_MERGED_OBJECTS && what != HPSG_WHAT_DISTINCT_OBJECTS) { 3536767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhat value: " << static_cast<int>(what); 3537767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3538767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3539767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3540767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (native) { 3541767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhen = when; 3542767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhat = what; 3543767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } else { 3544767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhen = when; 3545767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhat = what; 3546767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3547767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3548767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3549767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 35507162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughesvoid Dbg::DdmSendHeapInfo(HpifWhen reason) { 35517162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes // If there's a one-shot 'when', reset it. 35527162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (reason == gDdmHpifWhen) { 35537162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (gDdmHpifWhen == HPIF_WHEN_NEXT_GC) { 35547162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes gDdmHpifWhen = HPIF_WHEN_NEVER; 35557162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 35567162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 35577162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes 35587162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes /* 35597162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Chunk HPIF (client --> server) 35607162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 35617162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Heap Info. General information about the heap, 35627162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * suitable for a summary display. 35637162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 35647162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: number of heaps 35657162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 35667162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * For each heap: 35677162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: heap ID 35687162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u8]: timestamp in ms since Unix epoch 35697162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u1]: capture reason (same as 'when' value from server) 35707162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: max heap size in bytes (-Xmx) 35717162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current heap size in bytes 35727162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of bytes allocated 35737162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of objects allocated 35747162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes */ 35757162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes uint8_t heap_count = 1; 35761d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 357721f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3578545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append4BE(bytes, heap_count); 35797934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 1); // Heap id (bogus; we only have one heap). 3580545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append8BE(bytes, MilliTime()); 3581545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append1BE(bytes, reason); 35827934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetMaxMemory()); // Max allowed heap size in bytes. 35837934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetTotalMemory()); // Current heap size in bytes. 3584b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetBytesAllocated()); 3585b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetObjectsAllocated()); 358621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), 4U + (heap_count * (4 + 8 + 1 + 4 + 4 + 4 + 4))); 358721f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("HPIF"), bytes); 3588767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3589767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 35906a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgSolidity { 35916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FREE = 0, 35926a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_HARD = 1, 35936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SOFT = 2, 35946a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_WEAK = 3, 35956a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_PHANTOM = 4, 35966a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FINALIZABLE = 5, 35976a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SWEEP = 6, 35986a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 35996a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 36006a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgKind { 36016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_OBJECT = 0, 36026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_CLASS_OBJECT = 1, 36036a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_1 = 2, 36046a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_2 = 3, 36056a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_4 = 4, 36066a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_8 = 5, 36076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_UNKNOWN = 6, 36086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_NATIVE = 7, 36096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 36106a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 36116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_PARTIAL (1<<7) 36126a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_STATE(solidity, kind) ((uint8_t)((((kind) & 0x7) << 3) | ((solidity) & 0x7))) 36136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 361430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogersclass HeapChunkContext { 361530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers public: 36166a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Maximum chunk size. Obtain this from the formula: 36176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // (((maximum_heap_size / ALLOCATION_UNIT_SIZE) + 255) / 256) * 2 36186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes HeapChunkContext(bool merge, bool native) 361930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers : buf_(16384 - 16), 362030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_(0), 362130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers merge_(merge) { 36226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 36236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (native) { 362430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = CHUNK_TYPE("NHSG"); 36256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 362630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = merge ? CHUNK_TYPE("HPSG") : CHUNK_TYPE("HPSO"); 36276a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36286a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36296a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 36306a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ~HeapChunkContext() { 363130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (p_ > &buf_[0]) { 36326a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Flush(); 36336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36346a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36356a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 36366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void EnsureHeader(const void* chunk_ptr) { 363730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (!needHeader_) { 36386a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 36396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 36416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Start a new HPSx chunk. 36427934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 1); // Heap id (bogus; we only have one heap). 36437934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write1BE(&p_, 8); // Size of allocation unit, in bytes. 36446a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 36457934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, reinterpret_cast<uintptr_t>(chunk_ptr)); // virtual address of segment start. 36467934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 0); // offset of this piece (relative to the virtual address). 36476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // [u4]: length of piece, in allocation units 36486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // We won't know this until we're done, so save the offset and stuff in a dummy value. 364930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = p_; 365030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Write4BE(&p_, 0x55555555); 365130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = false; 36526a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36536a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3654b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers void Flush() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3655d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers if (pieceLenField_ == NULL) { 3656d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers // Flush immediately post Reset (maybe back-to-back Flush). Ignore. 3657d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers CHECK(needHeader_); 3658d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers return; 3659d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers } 36606a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Patch the "length of piece" field. 366130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(&buf_[0], pieceLenField_); 366230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(pieceLenField_, p_); 366330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Set4BE(pieceLenField_, totalAllocationUnits_); 36646a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 366530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers Dbg::DdmSendChunk(type_, p_ - &buf_[0], &buf_[0]); 36666a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 36676a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36686a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 366900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers static void HeapChunkCallback(void* start, void* end, size_t used_bytes, void* arg) 3670b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 3671b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 367230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers reinterpret_cast<HeapChunkContext*>(arg)->HeapChunkCallback(start, end, used_bytes); 3673a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 3674a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 36756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes private: 3676a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes enum { ALLOCATION_UNIT_SIZE = 8 }; 3677a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 36786a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void Reset() { 367930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers p_ = &buf_[0]; 368015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 368130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers totalAllocationUnits_ = 0; 368230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = true; 368330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = NULL; 36846a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 36856a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 368600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void HeapChunkCallback(void* start, void* /*end*/, size_t used_bytes) 3687b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 3688b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 368930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // Note: heap call backs cannot manipulate the heap upon which they are crawling, care is taken 369030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // in the following code not to allocate memory, by ensuring buf_ is of the correct size 369115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (used_bytes == 0) { 369215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start == NULL) { 369315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Reset for start of new heap. 369415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 369515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 369615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 369715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Only process in use memory so that free region information 369815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // also includes dlmalloc book keeping. 3699a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 3700a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 37016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 370215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers /* If we're looking at the native heap, we'll just return 370315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers * (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks 370415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers */ 370515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool native = type_ == CHUNK_TYPE("NHSG"); 370615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 370715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (startOfNextMemoryChunk_ != NULL) { 370815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Transmit any pending free memory. Native free memory of 370915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // over kMaxFreeLen could be because of the use of mmaps, so 371015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // don't report. If not free memory then start a new segment. 371115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool flush = true; 371215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start > startOfNextMemoryChunk_) { 371315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t kMaxFreeLen = 2 * kPageSize; 371415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeStart = startOfNextMemoryChunk_; 371515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeEnd = start; 37162d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom size_t freeLen = reinterpret_cast<char*>(freeEnd) - reinterpret_cast<char*>(freeStart); 371715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (!native || freeLen < kMaxFreeLen) { 371815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(HPSG_STATE(SOLIDITY_FREE, 0), freeStart, freeLen); 371915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers flush = false; 372015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 372115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 372215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (flush) { 372315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 372415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 372515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 372615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 3727ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* obj = reinterpret_cast<mirror::Object*>(start); 3728a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 3729a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Determine the type of this chunk. 3730a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // OLD-TODO: if context.merge, see if this chunk is different from the last chunk. 3731a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If it's the same, we should combine them. 373215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers uint8_t state = ExamineObject(obj, native); 373315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // dlmalloc's chunk header is 2 * sizeof(size_t), but if the previous chunk is in use for an 373415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // allocation then the first sizeof(size_t) may belong to it. 373515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t dlMallocOverhead = sizeof(size_t); 373615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(state, start, used_bytes + dlMallocOverhead); 37372d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom startOfNextMemoryChunk_ = reinterpret_cast<char*>(start) + used_bytes + dlMallocOverhead; 373815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 373915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 374015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void AppendChunk(uint8_t state, void* ptr, size_t length) 3741b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 374215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Make sure there's enough room left in the buffer. 374315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // We need to use two bytes for every fractional 256 allocation units used by the chunk plus 374415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // 17 bytes for any header. 374515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t needed = (((length/ALLOCATION_UNIT_SIZE + 255) / 256) * 2) + 17; 374615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 374715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 374815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 374915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 3750a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 375115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 375215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 375315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(WARNING) << "Chunk is too big to transmit (chunk_len=" << length << ", " 375415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers << needed << " bytes)"; 375515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return; 375615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 375715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers EnsureHeader(ptr); 3758a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Write out the chunk description. 375915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length /= ALLOCATION_UNIT_SIZE; // Convert to allocation units. 376015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers totalAllocationUnits_ += length; 376115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers while (length > 256) { 376230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state | HPSG_PARTIAL; 376330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = 255; // length - 1 376415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length -= 256; 3765a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 376630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state; 376715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers *p_++ = length - 1; 37686a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3770ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint8_t ExamineObject(mirror::Object* o, bool is_native_heap) 3771ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::heap_bitmap_lock_) { 3772a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o == NULL) { 3773a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_FREE, 0); 3774a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 37756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3776a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // It's an allocated chunk. Figure out what it is. 37776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3778a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If we're looking at the native heap, we'll just return 3779a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks. 378000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (is_native_heap) { 3781a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 37826a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37836a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37845bfa60ffcc953340feb711ed05cf576ac821905eIan Rogers if (!Runtime::Current()->GetHeap()->IsLiveObjectLocked(o)) { 378515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 378600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 378700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 37882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = o->GetClass(); 3789a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c == NULL) { 3790a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // The object was probably just created but hasn't been initialized yet. 3791a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 3792a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 37936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3794590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(c)) { 379515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(ERROR) << "Invalid class for managed heap object: " << o << " " << c; 3796a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_UNKNOWN); 3797a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 37986a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3799a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsClassClass()) { 3800a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_CLASS_OBJECT); 38016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3803a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 3804a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o->IsObjectArray()) { 3805a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 3806a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 3807a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes switch (c->GetComponentSize()) { 3808a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 1: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_1); 3809a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 2: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_2); 3810a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 4: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 3811a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 8: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_8); 3812a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 38136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3815a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 38166a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 381830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers std::vector<uint8_t> buf_; 381930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* p_; 382030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* pieceLenField_; 382115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* startOfNextMemoryChunk_; 382230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers size_t totalAllocationUnits_; 382330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint32_t type_; 382430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool merge_; 382530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool needHeader_; 382630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers 3827a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes DISALLOW_COPY_AND_ASSIGN(HeapChunkContext); 3828a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes}; 38296a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38306a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesvoid Dbg::DdmSendHeapSegments(bool native) { 38316a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhen when; 38326a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhat what; 38336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (!native) { 38346a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmHpsgWhen; 38356a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmHpsgWhat; 38366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 38376a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmNhsgWhen; 38386a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmNhsgWhat; 38396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (when == HPSG_WHEN_NEVER) { 38416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 38426a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38436a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38446a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Figure out what kind of chunks we'll be sending. 38456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes CHECK(what == HPSG_WHAT_MERGED_OBJECTS || what == HPSG_WHAT_DISTINCT_OBJECTS) << static_cast<int>(what); 38466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // First, send a heap start chunk. 38486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes uint8_t heap_id[4]; 38497934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Set4BE(&heap_id[0], 1); // Heap id (bogus; we only have one heap). 38506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHST") : CHUNK_TYPE("HPST"), sizeof(heap_id), heap_id); 38516a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3852cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Thread* self = Thread::Current(); 3853cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 3854cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // To allow the Walk/InspectAll() below to exclusively-lock the 3855cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock, temporarily release the shared access to the 3856cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock here by transitioning to the suspended state. 3857cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 3858cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromRunnableToSuspended(kSuspended); 3859cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 38606a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Send a series of heap segment chunks. 3861a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes HeapChunkContext context((what == HPSG_WHAT_MERGED_OBJECTS), native); 3862a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (native) { 38631d54e73444e017d3a65234e0f193846f3e27472bIan Rogers dlmalloc_inspect_all(HeapChunkContext::HeapChunkCallback, &context); 3864a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 38651d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 38661d54e73444e017d3a65234e0f193846f3e27472bIan Rogers const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 38671d54e73444e017d3a65234e0f193846f3e27472bIan Rogers typedef std::vector<gc::space::ContinuousSpace*>::const_iterator It; 38681d54e73444e017d3a65234e0f193846f3e27472bIan Rogers for (It cur = spaces.begin(), end = spaces.end(); cur != end; ++cur) { 3869cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi if ((*cur)->IsMallocSpace()) { 3870cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi (*cur)->AsMallocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 3871b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 3872b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 3873e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier // Walk the large objects, these are not in the AllocSpace. 3874e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier heap->GetLargeObjectsSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 3875a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 38766a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3877cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Shared-lock the mutator lock back. 3878cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromSuspendedToRunnable(); 3879cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 3880cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 38816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Finally, send a heap end chunk. 38826a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHEN") : CHUNK_TYPE("HPEN"), sizeof(heap_id), heap_id); 3883767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3884767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3885b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughesstatic size_t GetAllocTrackerMax() { 3886b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#ifdef HAVE_ANDROID_OS 3887b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes // Check whether there's a system property overriding the number of records. 3888b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes const char* propertyName = "dalvik.vm.allocTrackerMax"; 3889b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char allocRecordMaxString[PROPERTY_VALUE_MAX]; 3890b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (property_get(propertyName, allocRecordMaxString, "") > 0) { 3891b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char* end; 3892b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes size_t value = strtoul(allocRecordMaxString, &end, 10); 3893b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (*end != '\0') { 38943e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 38953e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- invalid"; 3896b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 3897b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 3898b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (!IsPowerOfTwo(value)) { 38993e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 39003e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- not power of two"; 3901b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 3902b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 3903b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return value; 3904b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 3905b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#endif 3906b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 3907b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes} 3908b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes 3909545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::SetAllocTrackingEnabled(bool enabled) { 3910545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (enabled) { 3911b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 3912b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 3913b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz if (recent_allocation_records_ == NULL) { 3914b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_max_ = GetAllocTrackerMax(); 3915b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz LOG(INFO) << "Enabling alloc tracker (" << alloc_record_max_ << " entries of " 3916b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << kMaxAllocRecordStackDepth << " frames, taking " 3917b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << PrettySize(sizeof(AllocRecord) * alloc_record_max_) << ")"; 3918b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_head_ = alloc_record_count_ = 0; 3919b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = new AllocRecord[alloc_record_max_]; 3920b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz CHECK(recent_allocation_records_ != NULL); 3921b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 3922545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3923fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints(); 3924545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } else { 3925fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints(); 3926b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 3927b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 3928b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz delete[] recent_allocation_records_; 3929b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = NULL; 3930b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 3931545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3932545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 3933545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 39340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct AllocRecordStackVisitor : public StackVisitor { 39357a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor(Thread* thread, AllocRecord* record) 3936b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 39377a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), record(record), depth(0) {} 3938545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 393900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 394000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 394100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 3942545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (depth >= kMaxAllocRecordStackDepth) { 3943530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 3944545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3945ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 39460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 39470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].method = m; 39480399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].dex_pc = GetDexPc(); 3949530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes ++depth; 3950545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3951530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 3952545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3953545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3954545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ~AllocRecordStackVisitor() { 3955545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Clear out any unused stack trace elements. 3956545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (; depth < kMaxAllocRecordStackDepth; ++depth) { 3957545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->stack[depth].method = NULL; 39580399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].dex_pc = 0; 3959545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3960545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3961545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3962545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record; 3963545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth; 3964545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 3965545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 39662dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::RecordAllocation(mirror::Class* type, size_t byte_count) { 3967545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes Thread* self = Thread::Current(); 3968545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes CHECK(self != NULL); 3969545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3970719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 3971545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 3972545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 3973545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3974545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3975545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Advance and clip. 3976719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (++alloc_record_head_ == alloc_record_max_) { 3977719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_record_head_ = 0; 3978545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3979545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3980545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the basics. 3981719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[alloc_record_head_]; 3982545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->type = type; 3983545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->byte_count = byte_count; 3984d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers record->thin_lock_id = self->GetThreadId(); 3985545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3986545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the stack trace. 39877a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor visitor(self, record); 39880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 3989545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3990719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (alloc_record_count_ < alloc_record_max_) { 3991719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers ++alloc_record_count_; 3992545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 3993545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 3994545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 3995a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// Returns the index of the head element. 3996a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 3997a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We point at the most-recently-written record, so if gAllocRecordCount is 1 3998a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// we want to use the current element. Take "head+1" and subtract count 3999a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// from it. 4000a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4001a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We need to handle underflow in our circular buffer, so we add 4002b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes// gAllocRecordMax and then mask it back down. 4003719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::HeadIndex() { 4004719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers return (Dbg::alloc_record_head_ + 1 + Dbg::alloc_record_max_ - Dbg::alloc_record_count_) & 4005719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers (Dbg::alloc_record_max_ - 1); 4006545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4007545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4008545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::DumpRecentAllocations() { 400900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 4010719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(soa.Self(), *alloc_tracker_lock_); 4011545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4012545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << "Not recording tracked allocations"; 4013545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4014545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4015545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4016545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // "i" is the head of the list. We want to start at the end of the 4017545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // list and move forward to the tail. 4018a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t i = HeadIndex(); 4019719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t count = alloc_record_count_; 4020545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4021719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "Tracked allocations, (head=" << alloc_record_head_ << " count=" << count << ")"; 4022545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (count--) { 4023545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record = &recent_allocation_records_[i]; 4024545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4025a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(INFO) << StringPrintf(" Thread %-2d %6zd bytes ", record->thin_lock_id, record->byte_count) 4026545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes << PrettyClass(record->type); 4027545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4028545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 4029ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = record->stack[stack_frame].method; 4030545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (m == NULL) { 4031545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes break; 4032545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4033545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << " " << PrettyMethod(m) << " line " << record->stack[stack_frame].LineNumber(); 4034545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4035545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4036545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // pause periodically to help logcat catch up 4037545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if ((count % 5) == 0) { 4038545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes usleep(40000); 4039545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4040545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4041719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4042545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4043545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4044545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 40453b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid Dbg::UpdateObjectPointers(IsMarkedCallback* callback, void* arg) { 4046719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (recent_allocation_records_ != nullptr) { 4047719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4048719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t i = HeadIndex(); 4049719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t count = alloc_record_count_; 4050719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers while (count--) { 4051719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[i]; 4052719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers DCHECK(record != nullptr); 40533b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier record->UpdateObjectPointers(callback, arg); 4054719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4055412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4056412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4057412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 40583b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier gRegistry->UpdateObjectPointers(callback, arg); 4059412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4060412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4061412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4062412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartiervoid Dbg::AllowNewObjectRegistryObjects() { 4063412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 4064412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gRegistry->AllowNewObjects(); 4065412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4066412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4067412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4068412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartiervoid Dbg::DisallowNewObjectRegistryObjects() { 4069412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 4070412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gRegistry->DisallowNewObjects(); 4071412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4072412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4073412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4074545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesclass StringTable { 4075545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes public: 4076545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes StringTable() { 4077545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4078545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 40796d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers void Add(const char* s) { 4080545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes table_.insert(s); 4081545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4082545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4083a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t IndexOf(const char* s) const { 408402e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier auto it = table_.find(s); 4085a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes if (it == table_.end()) { 4086a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(FATAL) << "IndexOf(\"" << s << "\") failed"; 4087a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes } 4088a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes return std::distance(table_.begin(), it); 4089545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4090545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4091a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t Size() const { 4092545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return table_.size(); 4093545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4094545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4095a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes void WriteTo(std::vector<uint8_t>& bytes) const { 409602e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::string& str : table_) { 409702e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const char* s = str.c_str(); 40986d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers size_t s_len = CountModifiedUtf8Chars(s); 40996d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers UniquePtr<uint16_t> s_utf16(new uint16_t[s_len]); 41006d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ConvertModifiedUtf8ToUtf16(s_utf16.get(), s); 41016d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::AppendUtf16BE(bytes, s_utf16.get(), s_len); 4102545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4103545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4104545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4105545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes private: 4106a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes std::set<std::string> table_; 4107545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DISALLOW_COPY_AND_ASSIGN(StringTable); 4108545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4109545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4110545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes/* 4111545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The data we send to DDMS contains everything we have recorded. 4112545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4113545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * Message header (all values big-endian): 4114545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) message header len (to allow future expansion); includes itself 4115545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) entry header len 4116545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack frame len 4117545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of entries 4118545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) offset to string table from start of message 4119545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of class name strings 4120545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of method name strings 4121545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of source file name strings 4122545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each entry: 4123545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) total allocation size 4124221229cb523f849f165fdafbf9785010963715daElliott Hughes * (2b) thread id 4125545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) allocated object's class name index 4126545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack depth 4127545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each stack frame: 4128545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method's class name 4129545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method name 4130545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method source file 4131545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) line number, clipped to 32767; -2 if native; -1 if no source 4132545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) class name strings 4133545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) method name strings 4134545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) source file strings 4135545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4136545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * As with other DDM traffic, strings are sent as a 4-byte length 4137545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * followed by UTF-16 data. 4138545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4139545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We send up 16-bit unsigned indexes into string tables. In theory there 4140b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes * can be (kMaxAllocRecordStackDepth * gAllocRecordMax) unique strings in 4141545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * each table, but in practice there should be far fewer. 4142545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4143545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The chief reason for using a string table here is to keep the size of 4144545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * the DDMS message to a minimum. This is partly to make the protocol 4145545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * efficient, but also because we have to form the whole thing up all at 4146545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * once in a memory buffer. 4147545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4148545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We use separate string tables for class names, method names, and source 4149545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * files to keep the indexes small. There will generally be no overlap 4150545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * between the contents of these tables. 4151545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes */ 4152545a064aca775ba801790fced3d713d8a87bfc61Elliott HughesjbyteArray Dbg::GetRecentAllocations() { 4153545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (false) { 4154545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DumpRecentAllocations(); 4155545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4156545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 415750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 415846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier std::vector<uint8_t> bytes; 415946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier { 4160719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 416146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 416246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 1: generate string tables. 416346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 416446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable class_names; 416546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable method_names; 416646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable filenames; 416746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4168719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers int count = alloc_record_count_; 416946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier int idx = HeadIndex(); 417046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 417146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 417246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 417346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.Add(ClassHelper(record->type).GetDescriptor()); 417446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 417546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier MethodHelper mh; 417646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t i = 0; i < kMaxAllocRecordStackDepth; i++) { 4177ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = record->stack[i].method; 417846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier if (m != NULL) { 417946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier mh.ChangeMethod(m); 418046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.Add(mh.GetDeclaringClassDescriptor()); 418146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.Add(mh.GetName()); 418246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier filenames.Add(mh.GetDeclaringClassSourceFile()); 418346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 418446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 4185545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4186719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 418746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 418846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4189719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "allocation records: " << alloc_record_count_; 419046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 419146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 419246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 2: Generate the output and store it in the buffer. 419346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 419446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 419546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) message header len (to allow future expansion); includes itself 419646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) entry header len 419746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack frame len 419846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kMessageHeaderLen = 15; 419946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kEntryHeaderLen = 9; 420046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kStackFrameLen = 8; 420146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kMessageHeaderLen); 420246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kEntryHeaderLen); 420346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kStackFrameLen); 420446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 420546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of entries 420646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) offset to string table from start of message 420746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of class name strings 420846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of method name strings 420946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of source file name strings 4210719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers JDWP::Append2BE(bytes, alloc_record_count_); 421146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t string_table_offset = bytes.size(); 42127934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 0); // We'll patch this later... 421346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_names.Size()); 421446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_names.Size()); 421546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, filenames.Size()); 421646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4217719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers count = alloc_record_count_; 421846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier idx = HeadIndex(); 421946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 422046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each entry: 422146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) total allocation size 422246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) thread id 422346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) allocated object's class name index 422446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack depth 422546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 422646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t stack_depth = record->GetDepth(); 4227590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ClassHelper kh(record->type); 422846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t allocated_object_class_name_index = class_names.IndexOf(kh.GetDescriptor()); 422946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append4BE(bytes, record->byte_count); 423046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, record->thin_lock_id); 423146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, allocated_object_class_name_index); 423246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, stack_depth); 423346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 423446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier MethodHelper mh; 423546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t stack_frame = 0; stack_frame < stack_depth; ++stack_frame) { 423646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each stack frame: 423746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method's class name 423846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method name 423946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method source file 424046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) line number, clipped to 32767; -2 if native; -1 if no source 424146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier mh.ChangeMethod(record->stack[stack_frame].method); 424246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t class_name_index = class_names.IndexOf(mh.GetDeclaringClassDescriptor()); 424346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t method_name_index = method_names.IndexOf(mh.GetName()); 424446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t file_name_index = filenames.IndexOf(mh.GetDeclaringClassSourceFile()); 424546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_name_index); 424646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_name_index); 424746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, file_name_index); 424846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, record->stack[stack_frame].LineNumber()); 4249545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 425046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4251719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 4252545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4253545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 425446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) class name strings 425546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) method name strings 425646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) source file strings 425746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Set4BE(&bytes[string_table_offset], bytes.size()); 425846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.WriteTo(bytes); 425946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.WriteTo(bytes); 426046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier filenames.WriteTo(bytes); 4261545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 426250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers JNIEnv* env = self->GetJniEnv(); 4263545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes jbyteArray result = env->NewByteArray(bytes.size()); 4264545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (result != NULL) { 4265545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes env->SetByteArrayRegion(result, 0, bytes.size(), reinterpret_cast<const jbyte*>(&bytes[0])); 4266545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4267545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return result; 4268545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4269545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4270872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace art 4271