debugger.cc revision c4ddc042eaf5232a3f9b111f42af39eeab6e0294
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" 31eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier#include "handle_scope.h" 3264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "jdwp/object_registry.h" 33ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 34ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 392dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 40b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers#include "mirror/string-inl.h" 412dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 426d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers#include "object_utils.h" 43a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz#include "quick/inline_method_analyser.h" 4453b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers#include "reflection.h" 45a0e180632411f7fe0edf454e571c42209ee7b540Elliott Hughes#include "safe_map.h" 4664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "scoped_thread_state_change.h" 476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#include "ScopedLocalRef.h" 48f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes#include "ScopedPrimitiveArray.h" 49eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier#include "handle_scope-inl.h" 50475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes#include "thread_list.h" 5162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "throw_location.h" 522dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "utf.h" 53a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz#include "verifier/method_verifier-inl.h" 54eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes#include "well_known_classes.h" 55475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 563d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#ifdef HAVE_ANDROID_OS 573d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#include "cutils/properties.h" 583d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom#endif 593d92d523089bdd7881d2319414a29bf77172b432Brian Carlstrom 60872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesnamespace art { 61872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 627934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstromstatic const size_t kMaxAllocRecordStackDepth = 16; // Max 255. 637934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstromstatic const size_t kDefaultNumAllocRecords = 64*1024; // Must be a power of 2. 64475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 65545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesstruct AllocRecordStackTraceElement { 66ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method; 670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint32_t dex_pc; 68545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 69412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier AllocRecordStackTraceElement() : method(nullptr), dex_pc(0) { 70412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 71412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 72b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers int32_t LineNumber() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return MethodHelper(method).GetLineNumFromDexPC(dex_pc); 74545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 75545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 76545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 77545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesstruct AllocRecord { 782dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* type; 79545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t byte_count; 80545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes uint16_t thin_lock_id; 817934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom AllocRecordStackTraceElement stack[kMaxAllocRecordStackDepth]; // Unused entries have NULL method. 82545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 83545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t GetDepth() { 84545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth = 0; 85545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (depth < kMaxAllocRecordStackDepth && stack[depth].method != NULL) { 86545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ++depth; 87545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 88545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return depth; 89545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 90412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 9183c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier void UpdateObjectPointers(IsMarkedCallback* callback, void* arg) 92412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 93412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (type != nullptr) { 9483c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier type = down_cast<mirror::Class*>(callback(type, arg)); 95412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 96412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 97412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier mirror::ArtMethod*& m = stack[stack_frame].method; 98412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (m == nullptr) { 99412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier break; 100412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 10183c8ee000d525017ead8753fce6bc1020249b96aMathieu Chartier m = down_cast<mirror::ArtMethod*>(callback(m, arg)); 102412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 103412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 104545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 105545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 1068696433d1b3d8ba15288483b777edd888de69135Elliott Hughesstruct Breakpoint { 107a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // The location of this breakpoint. 108ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method; 109a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes uint32_t dex_pc; 110a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 111a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Indicates whether breakpoint needs full deoptimization or selective deoptimization. 112a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization; 113a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 114a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz Breakpoint(mirror::ArtMethod* method, uint32_t dex_pc, bool need_full_deoptimization) 115a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz : method(method), dex_pc(dex_pc), need_full_deoptimization(need_full_deoptimization) {} 1163b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 1173b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier void VisitRoots(RootCallback* callback, void* arg) { 1183b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 1193b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, 0, kRootDebugger); 1203b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 1213b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 1228696433d1b3d8ba15288483b777edd888de69135Elliott Hughes}; 1238696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 12400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic std::ostream& operator<<(std::ostream& os, const Breakpoint& rhs) 125b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 126229feb7a09317919ee51c06d1c3e715cea25da75Elliott Hughes os << StringPrintf("Breakpoint[%s @%#x]", PrettyMethod(rhs.method).c_str(), rhs.dex_pc); 1278696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return os; 1288696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 1298696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 1303f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzclass DebugInstrumentationListener FINAL : public instrumentation::InstrumentationListener { 13162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers public: 13262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers DebugInstrumentationListener() {} 13362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers virtual ~DebugInstrumentationListener() {} 13462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodEntered(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 1363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc) 1373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 13862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (method->IsNative()) { 13962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // TODO: post location events is a suspension point and native method entry stubs aren't. 14062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return; 14162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 1428379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, 0, Dbg::kMethodEntry, nullptr); 14362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 14462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodExited(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 1463f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, const JValue& return_value) 1473f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE 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 } 1528379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, dex_pc, Dbg::kMethodExit, &return_value); 15362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 15462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1553f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void MethodUnwind(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 1563f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc) 1573f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE 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 1633f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void DexPcMoved(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 1643f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t new_dex_pc) 1653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1668379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::UpdateDebugger(thread, this_object, method, new_dex_pc, 0, nullptr); 16762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 16862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1693f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldRead(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 1703f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field) 1713f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1723f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostFieldAccessEvent(method, dex_pc, this_object, field); 17362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 1743f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 1753f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void FieldWritten(Thread* thread, mirror::Object* this_object, mirror::ArtMethod* method, 1763f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz uint32_t dex_pc, mirror::ArtField* field, const JValue& field_value) 1773f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1783f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostFieldModificationEvent(method, dex_pc, this_object, field, &field_value); 1793f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 1803f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 1813f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz void ExceptionCaught(Thread* thread, const ThrowLocation& throw_location, 1823f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtMethod* catch_method, uint32_t catch_dex_pc, 1833f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Throwable* exception_object) 1843f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OVERRIDE SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1853f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz Dbg::PostException(throw_location, catch_method, catch_dex_pc, exception_object); 1863f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 1873f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 1883f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz private: 1893f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DISALLOW_COPY_AND_ASSIGN(DebugInstrumentationListener); 19062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers} gDebugInstrumentationListener; 19162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 1924ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes// JDWP is allowed unless the Zygote forbids it. 1934ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesstatic bool gJdwpAllowed = true; 1944ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 195c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Was there a -Xrunjdwp or -agentlib:jdwp= argument on the command line? 1963bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gJdwpConfigured = false; 1973bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 198c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes// Broken-down JDWP options. (Only valid if IsJdwpConfigured() is true.) 199376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughesstatic JDWP::JdwpOptions gJdwpOptions; 2003bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 2013bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes// Runtime JDWP state. 2023bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic JDWP::JdwpState* gJdwpState = NULL; 2033bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerConnected; // debugger or DDMS is connected. 2043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool gDebuggerActive; // debugger is making requests. 2058696433d1b3d8ba15288483b777edd888de69135Elliott Hughesstatic bool gDisposed; // debugger called VirtualMachine.Dispose, so we should drop the connection. 2063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 20747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesstatic bool gDdmThreadNotification = false; 20847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 209767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes// DDMS GC-related settings. 210767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpifWhen gDdmHpifWhen = Dbg::HPIF_WHEN_NEVER; 211767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmHpsgWhen = Dbg::HPSG_WHEN_NEVER; 212767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmHpsgWhat; 213767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhen gDdmNhsgWhen = Dbg::HPSG_WHEN_NEVER; 214767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesstatic Dbg::HpsgWhat gDdmNhsgWhat; 215767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 216719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogersstatic ObjectRegistry* gRegistry = nullptr; 217475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 218545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes// Recent allocation tracking. 219719d1a33f6569864f529e5a3fff59e7bca97aad0Ian RogersMutex* Dbg::alloc_tracker_lock_ = nullptr; 220719d1a33f6569864f529e5a3fff59e7bca97aad0Ian RogersAllocRecord* Dbg::recent_allocation_records_ = nullptr; // TODO: CircularBuffer<AllocRecord> 221719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_max_ = 0; 222719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_head_ = 0; 223719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::alloc_record_count_ = 0; 224545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 225138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Deoptimization support. 2264d25df3f76f864b7629ac8c0046d46997f293d8dSebastien HertzMutex* Dbg::deoptimization_lock_ = nullptr; 2274d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzstd::vector<DeoptimizationRequest> Dbg::deoptimization_requests_; 2284d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzsize_t Dbg::full_deoptimization_event_count_ = 0; 2297ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzsize_t Dbg::delayed_full_undeoptimization_count_ = 0; 230138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 23142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz// Instrumentation event reference counters. 23242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::dex_pc_change_event_ref_count_ = 0; 23342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::method_enter_event_ref_count_ = 0; 23442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::method_exit_event_ref_count_ = 0; 23542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::field_read_event_ref_count_ = 0; 23642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::field_write_event_ref_count_ = 0; 23742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t Dbg::exception_catch_event_ref_count_ = 0; 23842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzuint32_t Dbg::instrumentation_events_ = 0; 23942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz 240138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Breakpoints. 24109bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhaostatic std::vector<Breakpoint> gBreakpoints GUARDED_BY(Locks::breakpoint_lock_); 2428696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2433b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid DebugInvokeReq::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 2443b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 2453b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (receiver != nullptr) { 2463b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&receiver, arg, tid, root_type); 2473b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2483b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (thread != nullptr) { 2493b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&thread, arg, tid, root_type); 2503b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2513b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (klass != nullptr) { 2523b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&klass), arg, tid, root_type); 2533b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2543b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 2553b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 2563b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2573b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 2583b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 259bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid DebugInvokeReq::Clear() { 260bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz invoke_needed = false; 261bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz receiver = nullptr; 262bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz thread = nullptr; 263bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz klass = nullptr; 264bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 265bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 266bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 2673b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid SingleStepControl::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 2683b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 2693b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 2703b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 2713b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2723b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 2733b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 274bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzbool SingleStepControl::ContainsDexPc(uint32_t dex_pc) const { 275bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz return dex_pcs.find(dex_pc) == dex_pcs.end(); 276bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 277bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 278bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid SingleStepControl::Clear() { 279bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz is_active = false; 280bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 281bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz dex_pcs.clear(); 282bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 283bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 2844d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid DeoptimizationRequest::VisitRoots(RootCallback* callback, void* arg) { 2854d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (method != nullptr) { 2864d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz callback(reinterpret_cast<mirror::Object**>(&method), arg, 0, kRootDebugger); 2874d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 2884d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 2894d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 290ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic bool IsBreakpoint(const mirror::ArtMethod* m, uint32_t dex_pc) 29109bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao LOCKS_EXCLUDED(Locks::breakpoint_lock_) 292b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 29309bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 294138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 295a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes if (gBreakpoints[i].method == m && gBreakpoints[i].dex_pc == dex_pc) { 2968696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "Hit breakpoint #" << i << ": " << gBreakpoints[i]; 2978696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return true; 2988696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2998696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3008696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return false; 3018696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 3028696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 30352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertzstatic bool IsSuspendedForDebugger(ScopedObjectAccessUnchecked& soa, Thread* thread) 30452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) { 3059e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_suspend_count_lock_); 3069e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // A thread may be suspended for GC; in this code, we really want to know whether 3079e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // there's a debugger suspension active. 3089e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes return thread->IsSuspended() && thread->GetDebugSuspendCount() > 0; 3099e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes} 3109e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 3112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Array* DecodeArray(JDWP::RefTypeId id, JDWP::JdwpError& status) 312b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 31464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 315436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 316436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 317436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 318436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsArrayInstance()) { 319436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_ARRAY; 320436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 321436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 322436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 323436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsArray(); 324436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 325436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 3262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Class* DecodeClass(JDWP::RefTypeId id, JDWP::JdwpError& status) 327b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3282dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 32964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 330436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 331436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 332436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 333436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsClass()) { 334436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_CLASS; 335436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 336436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 337436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 338436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsClass(); 339436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 340436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 341221229cb523f849f165fdafbf9785010963715daElliott Hughesstatic JDWP::JdwpError DecodeThread(ScopedObjectAccessUnchecked& soa, JDWP::ObjectId thread_id, Thread*& thread) 342a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao EXCLUSIVE_LOCKS_REQUIRED(Locks::thread_list_lock_) 343b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) 344b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3452dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_peer = gRegistry->Get<mirror::Object*>(thread_id); 34664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_peer == NULL || thread_peer == ObjectRegistry::kInvalidObject) { 347221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't even an object. 348221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_OBJECT; 349221229cb523f849f165fdafbf9785010963715daElliott Hughes } 350221229cb523f849f165fdafbf9785010963715daElliott Hughes 3512dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* java_lang_Thread = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 352221229cb523f849f165fdafbf9785010963715daElliott Hughes if (!java_lang_Thread->IsAssignableFrom(thread_peer->GetClass())) { 353221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't a thread. 354221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_THREAD; 355221229cb523f849f165fdafbf9785010963715daElliott Hughes } 356221229cb523f849f165fdafbf9785010963715daElliott Hughes 357221229cb523f849f165fdafbf9785010963715daElliott Hughes thread = Thread::FromManagedThread(soa, thread_peer); 358221229cb523f849f165fdafbf9785010963715daElliott Hughes if (thread == NULL) { 359221229cb523f849f165fdafbf9785010963715daElliott Hughes // This is a java.lang.Thread without a Thread*. Must be a zombie. 360221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_THREAD_NOT_ALIVE; 361436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 362221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 363436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 364436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 36524437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic JDWP::JdwpTag BasicTagFromDescriptor(const char* descriptor) { 36624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // JDWP deliberately uses the descriptor characters' ASCII values for its enum. 36724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // Note that by "basic" we mean that we don't get more specific than JT_OBJECT. 36824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return static_cast<JDWP::JdwpTag>(descriptor[0]); 36924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 37024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 3719837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromClass(const ScopedObjectAccessUnchecked& soa, mirror::Class* c) 372b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 37386b0010c79ef95b5333cd540b7d3af34a9f1a643Elliott Hughes CHECK(c != NULL); 37424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsArrayClass()) { 37524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_ARRAY; 37624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 37724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsStringClass()) { 37824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_STRING; 3799837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3809837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (c->IsClassClass()) { 38124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_CLASS_OBJECT; 38224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 3839837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3849837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 3859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_class->IsAssignableFrom(c)) { 3869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD; 3879837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3889837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3899837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3909837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_group_class = 3919837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 3929837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_group_class->IsAssignableFrom(c)) { 3939837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD_GROUP; 3949837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3959837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3969837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3979837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* class_loader_class = 3989837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader); 3999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (class_loader_class->IsAssignableFrom(c)) { 4009837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_CLASS_LOADER; 4019837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4029837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 4039837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_OBJECT; 40424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 40524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 40624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes/* 40724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Objects declared to hold Object might actually hold a more specific 40824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * type. The debugger may take a special interest in these (e.g. it 40924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * wants to display the contents of Strings), so we want to return an 41024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * appropriate tag. 41124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * 41224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Null objects are tagged JT_OBJECT. 41324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes */ 4149837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromObject(const ScopedObjectAccessUnchecked& soa, mirror::Object* o) 415b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4169837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return (o == NULL) ? JDWP::JT_OBJECT : TagFromClass(soa, o->GetClass()); 41724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 41824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 41924437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic bool IsPrimitiveTag(JDWP::JdwpTag tag) { 42024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes switch (tag) { 42124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BOOLEAN: 42224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BYTE: 42324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_CHAR: 42424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_FLOAT: 42524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_DOUBLE: 42624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_INT: 42724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_LONG: 42824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_SHORT: 42924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_VOID: 43024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return true; 43124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes default: 43224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return false; 43324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 43424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 43524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 4363bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 4373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Handle one of the JDWP name/value pairs. 4383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * JDWP options are: 4403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * help: if specified, show help message and bail 4413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * transport: may be dt_socket or dt_shmem 4423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * address: for dt_socket, "host:port", or just "port" when listening 4433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * server: if "y", wait for debugger to attach; if "n", attach to debugger 4443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * timeout: how long to wait for debugger to connect / listen 4453bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4463bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Useful with server=n (these aren't supported yet): 4473bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onthrow=<exception-name>: connect to debugger when exception thrown 4483bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onuncaught=y|n: connect to debugger when uncaught exception thrown 4493bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * launch=<command-line>: launch the debugger itself 4503bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4513bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * The "transport" option is required, as is "address" if server=n. 4523bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 4533bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool ParseJdwpOption(const std::string& name, const std::string& value) { 4543bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (name == "transport") { 4553bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "dt_socket") { 456376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportSocket; 4573bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "dt_android_adb") { 458376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportAndroidAdb; 4593bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4603bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP transport not supported: " << value; 4613bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4623bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4633bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "server") { 4643bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 465376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = false; 4663bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 467376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = true; 4683bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4693bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'server' must be 'y' or 'n'"; 4703bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4713bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4723bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "suspend") { 4733bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 474376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = false; 4753bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 476376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = true; 4773bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4783bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'suspend' must be 'y' or 'n'"; 4793bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4803bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4813bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "address") { 4823bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* this is either <port> or <host>:<port> */ 4833bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string port_string; 484376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host.clear(); 4853bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type colon = value.find(':'); 4863bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (colon != std::string::npos) { 487376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host = value.substr(0, colon); 4883bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value.substr(colon + 1); 4893bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value; 4913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4923bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (port_string.empty()) { 4933bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address missing port: " << value; 4943bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4953bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4963bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes char* end; 497ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes uint64_t port = strtoul(port_string.c_str(), &end, 10); 498ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (*end != '\0' || port > 0xffff) { 4993bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address has junk in port field: " << value; 5003bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5013bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 502376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.port = port; 5033bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "launch" || name == "onthrow" || name == "oncaught" || name == "timeout") { 5043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* valid but unsupported */ 5053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring JDWP option '" << name << "'='" << value << "'"; 5063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 5073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring unrecognized JDWP option '" << name << "'='" << value << "'"; 5083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5093bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5103bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 5113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 5123bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5133bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 5143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Parse the latter half of a -Xrunjdwp/-agentlib:jdwp= string, e.g.: 5153bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * "transport=dt_socket,address=8000,server=y,suspend=n" 5163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 5173bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesbool Dbg::ParseJdwpOptions(const std::string& options) { 5184dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "ParseJdwpOptions: " << options; 51947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 5203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::vector<std::string> pairs; 5213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Split(options, ',', pairs); 5223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5233bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes for (size_t i = 0; i < pairs.size(); ++i) { 5243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type equals = pairs[i].find('='); 5253bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (equals == std::string::npos) { 5263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Can't parse JDWP option '" << pairs[i] << "' in '" << options << "'"; 5273bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5293bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes ParseJdwpOption(pairs[i].substr(0, equals), pairs[i].substr(equals + 1)); 5303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5313bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 532376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpOptions.transport == JDWP::kJdwpTransportUnknown) { 5333bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP transport: " << options; 5343bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 535376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpOptions.server && (gJdwpOptions.host.empty() || gJdwpOptions.port == 0)) { 5363bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP host and port when server=n: " << options; 5373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gJdwpConfigured = true; 5413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 5423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 5433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 544d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StartJdwp() { 545c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!gJdwpAllowed || !IsJdwpConfigured()) { 546376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes // No JDWP for you! 547376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes return; 548376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes } 549376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes 550719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers CHECK(gRegistry == nullptr); 551475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gRegistry = new ObjectRegistry; 552475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 553719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = new Mutex("AllocTracker lock"); 5544d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = new Mutex("deoptimization lock", kDeoptimizationLock); 555d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // Init JDWP if the debugger is enabled. This may connect out to a 556d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger, passively listen for a debugger, or block waiting for a 557d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger. 558376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpState = JDWP::JdwpState::Create(&gJdwpOptions); 559376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState == NULL) { 560f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // We probably failed because some other process has the port already, which means that 561f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // if we don't abort the user is likely to think they're talking to us when they're actually 562f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // talking to that other process. 5633d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Debugger thread failed to initialize"; 564d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 565d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes 566d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // If a debugger has already attached, send the "welcome" message. 567d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // This may cause us to suspend all threads. 568376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState->IsActive()) { 56900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 570376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpState->PostVMStart()) { 5713d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(WARNING) << "Failed to post 'start' message to debugger"; 572d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 573d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 574872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 575872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 5763b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid Dbg::VisitRoots(RootCallback* callback, void* arg) { 5774d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 5784d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 5794d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (Breakpoint& bp : gBreakpoints) { 5804d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz bp.VisitRoots(callback, arg); 5814d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5824d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5834d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_lock_ != nullptr) { // only true if the debugger is started. 5844d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 5854d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (DeoptimizationRequest& req : deoptimization_requests_) { 5864d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz req.VisitRoots(callback, arg); 5874d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5883b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 5893b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 5903b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 591d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StopJdwp() { 5920376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz // Prevent the JDWP thread from processing JDWP incoming packets after we close the connection. 5930376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz Disposed(); 594376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes delete gJdwpState; 595719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gJdwpState = nullptr; 596475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes delete gRegistry; 597719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gRegistry = nullptr; 598719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers delete alloc_tracker_lock_; 599719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = nullptr; 6004d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz delete deoptimization_lock_; 6014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = nullptr; 602872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 603872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 604767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesvoid Dbg::GcDidFinish() { 605767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpifWhen != HPIF_WHEN_NEVER) { 60600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6074d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Sending heap info to DDM"; 6087162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(gDdmHpifWhen); 609767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 610767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpsgWhen != HPSG_WHEN_NEVER) { 61100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6124d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping heap to DDM"; 6136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(false); 614767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 615767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmNhsgWhen != HPSG_WHEN_NEVER) { 61600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6174d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping native heap to DDM"; 6186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(true); 619767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 620767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 621767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 6224ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesvoid Dbg::SetJdwpAllowed(bool allowed) { 6234ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes gJdwpAllowed = allowed; 6244ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes} 6254ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 626872d4ec7225444d9400d30f9027247deb91012fdElliott HughesDebugInvokeReq* Dbg::GetInvokeReq() { 627475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return Thread::Current()->GetInvokeReq(); 628475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 629475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 630475fc23a4a7f35d1be87ea0b06c80df317a720acElliott HughesThread* Dbg::GetDebugThread() { 631475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return (gJdwpState != NULL) ? gJdwpState->GetDebugThread() : NULL; 632475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 633475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 634475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::ClearWaitForEventThread() { 635475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gJdwpState->ClearWaitForEventThread(); 636872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 637872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 638872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Connected() { 6393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(!gDebuggerConnected); 6404dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "JDWP has attached"; 6413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gDebuggerConnected = true; 6428696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = false; 6438696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 6448696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 6458696433d1b3d8ba15288483b777edd888de69135Elliott Hughesvoid Dbg::Disposed() { 6468696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = true; 6478696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 6488696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 6498696433d1b3d8ba15288483b777edd888de69135Elliott Hughesbool Dbg::IsDisposed() { 6508696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return gDisposed; 651872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 652872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 653a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::GoActive() { 654a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Enable all debugging features, including scans for breakpoints. 655a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // This is a no-op if we're already active. 656a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Only called from the JDWP handler thread. 657a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (gDebuggerActive) { 658a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 659a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 660a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 661c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes { 662c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes // TODO: dalvik only warned if there were breakpoints left over. clear in Dbg::Disconnected? 66309bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 664c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes CHECK_EQ(gBreakpoints.size(), 0U); 665c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes } 666a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 667138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 6684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 6694d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(deoptimization_requests_.size(), 0U); 6704d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(full_deoptimization_event_count_, 0U); 6717ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz CHECK_EQ(delayed_full_undeoptimization_count_, 0U); 67242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(dex_pc_change_event_ref_count_, 0U); 67342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_enter_event_ref_count_, 0U); 67442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(method_exit_event_ref_count_, 0U); 67542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_read_event_ref_count_, 0U); 67642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(field_write_event_ref_count_, 0U); 67742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK_EQ(exception_catch_event_ref_count_, 0U); 678138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 679138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 68062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 68162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 68262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 68362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 68462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_NE(old_state, kRunnable); 685138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetInstrumentation()->EnableDeoptimization(); 68642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 687a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes gDebuggerActive = true; 68862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 68962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 69062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 69162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(INFO) << "Debugger is active"; 692872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 693872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 694872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Disconnected() { 695234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes CHECK(gDebuggerConnected); 696234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 697c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes LOG(INFO) << "Debugger is no longer active"; 698234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 69962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Suspend all threads and exclusively acquire the mutator lock. Set the state of the thread 70062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // to kRunnable to avoid scoped object access transitions. Remove the debugger as a listener 70162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // and clear the object registry. 70262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 70362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 70462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 70562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 706aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz 707aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Debugger may not be active at this point. 708aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz if (gDebuggerActive) { 709aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz { 710aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Since we're going to disable deoptimization, we clear the deoptimization requests queue. 711aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // This prevents us from having any pending deoptimization request when the debugger attaches 712aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // to us again while no event has been requested yet. 7134d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 7144d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 7154d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz full_deoptimization_event_count_ = 0U; 7167ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz delayed_full_undeoptimization_count_ = 0U; 717aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 71842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (instrumentation_events_ != 0) { 71942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz runtime->GetInstrumentation()->RemoveListener(&gDebugInstrumentationListener, 72042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_); 72142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ = 0; 72242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 723aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz runtime->GetInstrumentation()->DisableDeoptimization(); 724aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz gDebuggerActive = false; 725aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 726234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gRegistry->Clear(); 727234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gDebuggerConnected = false; 72862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 72962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 730872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 731872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 732c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsDebuggerActive() { 7333bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gDebuggerActive; 734872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 735872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 736c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsJdwpConfigured() { 7373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gJdwpConfigured; 738872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 739872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 740872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesint64_t Dbg::LastDebuggerActivity() { 741ca9515205010099d006ac2fac244348a1e673dcbElliott Hughes return gJdwpState->LastDebuggerActivity(); 742872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 743872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 744872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::UndoDebuggerSuspensions() { 745234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 746872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 747872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 74888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetClassName(JDWP::RefTypeId class_id) { 7492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(class_id); 7503d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (o == NULL) { 751436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return "NULL"; 7527b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 75364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 75488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return StringPrintf("invalid object %p", reinterpret_cast<void*>(class_id)); 7553d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7563d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (!o->IsClass()) { 7577934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return StringPrintf("non-class %p", o); // This is only used for debugging output anyway. 7583d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 759f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier return DescriptorToName(o->AsClass()->GetDescriptor().c_str()); 7603d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes} 7613d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 76288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId& class_object_id) { 763436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 7642dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 765436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 766436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 7672435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 76888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes class_object_id = gRegistry->Add(c); 769436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 7708696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7718696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 77288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId& superclass_id) { 7733d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 7742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 7753d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c == NULL) { 7763d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 7773d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7783d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c->IsInterface()) { 7793d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes // http://code.google.com/p/android/issues/detail?id=20856 78088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = 0; 7813d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } else { 78288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = gRegistry->Add(c->GetSuperClass()); 7833d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7843d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 785872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 786872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 787436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 7882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 78964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 790436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 791436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 792436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(o->GetClass()->GetClassLoader())); 793436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 794872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 795872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 796436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 797436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 7982dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 799436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 800436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 8017b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 802436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 803436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes uint32_t access_flags = c->GetAccessFlags() & kAccJavaFlagsMask; 804436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 805de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // Set ACC_SUPER. Dex files don't contain this flag but only classes are supposed to have it set, 806de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // not interfaces. 807436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes // Class.getModifiers doesn't return it, but JDWP does, so we set it here. 808de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban if ((access_flags & kAccInterface) == 0) { 809de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban access_flags |= kAccSuper; 810de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban } 811436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 812436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAdd4BE(pReply, access_flags); 813436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 814436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 815872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 816872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 817f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott HughesJDWP::JdwpError Dbg::GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) 818f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 8192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 82064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 821f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 822f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 823f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 824f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes // Ensure all threads are suspended while we read objects' lock words. 825f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes Thread* self = Thread::Current(); 8265426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 8275426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromRunnableToSuspended(kSuspended); 8285426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->SuspendAll(); 829f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 830f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes MonitorInfo monitor_info(o); 831f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 8325426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->ResumeAll(); 8335426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromSuspendedToRunnable(); 834f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 835d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers if (monitor_info.owner_ != NULL) { 836d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.owner_->GetPeer())); 837f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else { 838f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes expandBufAddObjectId(reply, gRegistry->Add(NULL)); 839f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 840d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.entry_count_); 841d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.waiters_.size()); 842d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers for (size_t i = 0; i < monitor_info.waiters_.size(); ++i) { 843d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.waiters_[i]->GetPeer())); 844f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 845f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_NONE; 846f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes} 847f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 848734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott HughesJDWP::JdwpError Dbg::GetOwnedMonitors(JDWP::ObjectId thread_id, 849734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<JDWP::ObjectId>& monitors, 85052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz std::vector<uint32_t>& stack_depths) { 8514993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 8524993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 8534993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Thread* thread; 8544993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 8554993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (error != JDWP::ERR_NONE) { 8564993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return error; 8574993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8584993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 8594993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 8604993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8614993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8624993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes struct OwnedMonitorVisitor : public StackVisitor { 8637a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor(Thread* thread, Context* context) 8644993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 8657a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), current_stack_depth(0) {} 8664993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8674993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 8684993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // annotalysis. 8694993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 8704993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!GetMethod()->IsRuntimeMethod()) { 8714993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Monitor::VisitLocks(this, AppendOwnedMonitors, this); 872734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes ++current_stack_depth; 8734993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8744993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return true; 8754993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8764993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static void AppendOwnedMonitors(mirror::Object* owned_monitor, void* arg) { 8787a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor* visitor = reinterpret_cast<OwnedMonitorVisitor*>(arg); 879734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes visitor->monitors.push_back(owned_monitor); 880734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes visitor->stack_depths.push_back(visitor->current_stack_depth); 8814993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8824993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 883734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes size_t current_stack_depth; 8842dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> monitors; 885734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<uint32_t> stack_depths; 8864993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes }; 887700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 8887a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor visitor(thread, context.get()); 8894993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes visitor.WalkStack(); 8904993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8914993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes for (size_t i = 0; i < visitor.monitors.size(); ++i) { 8924993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes monitors.push_back(gRegistry->Add(visitor.monitors[i])); 893734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes stack_depths.push_back(visitor.stack_depths[i]); 8944993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8954993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8964993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_NONE; 8974993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes} 8984993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 89952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetContendedMonitor(JDWP::ObjectId thread_id, 90052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId& contended_monitor) { 901f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 902f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 903f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 904f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 905f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 906f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 907f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 908f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 909f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 910f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 911f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 912f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes contended_monitor = gRegistry->Add(Monitor::GetContendedMonitor(thread)); 913f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 914f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 915f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 916f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 917ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott HughesJDWP::JdwpError Dbg::GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, 918ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes std::vector<uint64_t>& counts) 919ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 920412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 921412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 923ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.clear(); 924ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes for (size_t i = 0; i < class_ids.size(); ++i) { 925ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes JDWP::JdwpError status; 9262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_ids[i], status); 927ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes if (c == NULL) { 928ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return status; 929ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 930ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes classes.push_back(c); 931ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.push_back(0); 932ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 933412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CountInstances(classes, false, &counts[0]); 934ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return JDWP::ERR_NONE; 935ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes} 936ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes 9373b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott HughesJDWP::JdwpError Dbg::GetInstances(JDWP::RefTypeId class_id, int32_t max_count, std::vector<JDWP::ObjectId>& instances) 9383b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 939412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 940412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier // We only want reachable instances, so do a GC. 941412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9423b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes JDWP::JdwpError status; 9432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 944412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (c == nullptr) { 9453b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return status; 9463b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 9472dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 9483b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes Runtime::Current()->GetHeap()->GetInstances(c, max_count, raw_instances); 9493b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 9503b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes instances.push_back(gRegistry->Add(raw_instances[i])); 9513b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 9523b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return JDWP::ERR_NONE; 9533b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes} 9543b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes 9550cbaff584244ee767027aff35cd3c625aaee2994Elliott HughesJDWP::JdwpError Dbg::GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, 9560cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes std::vector<JDWP::ObjectId>& referring_objects) 9570cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 958412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 959412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9602dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 96164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 9620cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 9630cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 9642dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 965412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->GetReferringObjects(o, max_count, raw_instances); 9660cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 9670cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes referring_objects.push_back(gRegistry->Add(raw_instances[i])); 9680cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 9690cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_NONE; 9700cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes} 9710cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes 97264f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::DisableCollection(JDWP::ObjectId object_id) 97364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 974e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 975e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 976e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 977e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 97864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisableCollection(object_id); 97964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 98064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 98164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 98264f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::EnableCollection(JDWP::ObjectId object_id) 98364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 984e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 985e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // Unlike DisableCollection, JDWP specs do not state an invalid object causes an error. The RI 986e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // also ignores these cases and never return an error. However it's not obvious why this command 987e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // should behave differently from DisableCollection and IsCollected commands. So let's be more 988e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // strict and return an error if this happens. 989e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 990e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 991e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 99264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->EnableCollection(object_id); 99364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 99464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 99564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 99664f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::IsCollected(JDWP::ObjectId object_id, bool& is_collected) 99764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 99865637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz if (object_id == 0) { 99965637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // Null object id is invalid. 100065637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 100165637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } 1002e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // JDWP specs state an INVALID_OBJECT error is returned if the object ID is not valid. However 100365637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // the RI seems to ignore this and assume object has been collected. 100465637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 1005e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 100665637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = true; 100765637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } else { 100865637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = gRegistry->IsCollected(object_id); 1009e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 101064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 101164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 101264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 101364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughesvoid Dbg::DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) 101464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 101564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisposeObject(object_id, reference_count); 101664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 101764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 10184d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertzstatic JDWP::JdwpTypeTag GetTypeTag(mirror::Class* klass) 10194d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 10204d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz DCHECK(klass != nullptr); 10214d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz if (klass->IsArrayClass()) { 10224d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_ARRAY; 10234d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else if (klass->IsInterface()) { 10244d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_INTERFACE; 10254d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else { 10264d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_CLASS; 10274d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } 10284d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz} 10294d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz 103088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1031436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 10322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1033436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1034436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 10357b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1036436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 10374d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(c); 10384d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz expandBufAdd1(pReply, type_tag); 103988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes expandBufAddRefTypeId(pReply, class_id); 1040436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1041872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1042872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 10437b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughesvoid Dbg::GetClassList(std::vector<JDWP::RefTypeId>& classes) { 1044a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Get the complete list of reference classes (i.e. all classes except 1045a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // the primitive types). 1046a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Returns a newly-allocated buffer full of RefTypeId values. 1047a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes struct ClassListCreator { 1048ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes explicit ClassListCreator(std::vector<JDWP::RefTypeId>& classes) : classes(classes) { 10497b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 10507b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 10512dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static bool Visit(mirror::Class* c, void* arg) { 1052a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return reinterpret_cast<ClassListCreator*>(arg)->Visit(c); 1053a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1054a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 105564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 105664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 105764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool Visit(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS { 1058a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (!c->IsPrimitive()) { 105964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes classes.push_back(gRegistry->AddRefType(c)); 1060a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1061a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return true; 1062a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1063a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 10647b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes std::vector<JDWP::RefTypeId>& classes; 1065a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 1066a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 10677b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes ClassListCreator clc(classes); 1068a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Runtime::Current()->GetClassLinker()->VisitClasses(ClassListCreator::Visit, &clc); 1069872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1070872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 107188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, uint32_t* pStatus, std::string* pDescriptor) { 1072436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 10732dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1074436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1075436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 10767b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 10777b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 1078a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 1079a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 1080a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = JDWP::TT_ARRAY; 1081a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1082a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsErroneous()) { 1083a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_ERROR; 1084a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1085a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED | JDWP::CS_INITIALIZED; 1086a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1087a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = c->IsInterface() ? JDWP::TT_INTERFACE : JDWP::TT_CLASS; 1088a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1089a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 1090a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (pDescriptor != NULL) { 1091f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier *pDescriptor = c->GetDescriptor(); 1092a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1093436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1094872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1095872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1096c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughesvoid Dbg::FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>& ids) { 10972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 10986fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes Runtime::Current()->GetClassLinker()->LookupClasses(descriptor, classes); 10996fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.clear(); 11006fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes for (size_t i = 0; i < classes.size(); ++i) { 11016fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.push_back(gRegistry->Add(classes[i])); 11026fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes } 1103872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1104872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 110564f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) 110664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 11072dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 110864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 11092435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 11102435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 11112435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11124d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(o->GetClass()); 111364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId type_id = gRegistry->AddRefType(o->GetClass()); 11142435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11152435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd1(pReply, type_tag); 11162435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAddRefTypeId(pReply, type_id); 11172435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11182435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1119872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1120872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1121fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan RogersJDWP::JdwpError Dbg::GetSignature(JDWP::RefTypeId class_id, std::string* signature) { 11221fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes JDWP::JdwpError status; 11232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 11241fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes if (c == NULL) { 11251fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return status; 11267b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1127f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier *signature = c->GetDescriptor(); 11281fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return JDWP::ERR_NONE; 1129872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1130872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 113188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSourceFile(JDWP::RefTypeId class_id, std::string& result) { 1132436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11332dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1134436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1135436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11367b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1137b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz if (c->IsProxyClass()) { 1138b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz return JDWP::ERR_ABSENT_INFORMATION; 1139b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz } 1140f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier result = c->GetSourceFile(); 1141436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1142872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1143872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 114488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetObjectTag(JDWP::ObjectId object_id, uint8_t& tag) { 11459837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 11462dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 114764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1148546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1149546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 11509837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag = TagFromObject(soa, o); 1151546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_NONE; 1152872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1153872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1154aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughessize_t Dbg::GetTagWidth(JDWP::JdwpTag tag) { 1155dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes switch (tag) { 1156dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_VOID: 1157dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 0; 1158dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BYTE: 1159dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BOOLEAN: 1160dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 1; 1161dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CHAR: 1162dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_SHORT: 1163dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 2; 1164dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_FLOAT: 1165dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_INT: 1166dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 4; 1167dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_ARRAY: 1168dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_OBJECT: 1169dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_STRING: 1170dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD: 1171dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD_GROUP: 1172dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_LOADER: 1173dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_OBJECT: 1174dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return sizeof(JDWP::ObjectId); 1175dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_DOUBLE: 1176dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_LONG: 1177dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 8; 1178dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes default: 11793d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Unknown tag " << tag; 1180dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return -1; 1181dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1182872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1183872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 118488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetArrayLength(JDWP::ObjectId array_id, int& length) { 11853d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 11862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 11873d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (a == NULL) { 11883d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 118924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 11903d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes length = a->GetLength(); 11913d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1192872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1193872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 119488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputArray(JDWP::ObjectId array_id, int offset, int count, JDWP::ExpandBuf* pReply) { 11953d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 11962dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 11979837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (a == nullptr) { 11983d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 11993d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 120024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 120124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (offset < 0 || count < 0 || offset > a->GetLength() || a->GetLength() - offset < count) { 120224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 12033d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 120424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 1205f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier std::string descriptor(a->GetClass()->GetDescriptor()); 120624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor.c_str() + 1); 120724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 12083d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd1(pReply, tag); 12093d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd4BE(pReply, count); 12103d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 121124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (IsPrimitiveTag(tag)) { 121224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes size_t width = GetTagWidth(tag); 121324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes uint8_t* dst = expandBufAddSpace(pReply, count * width); 121424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (width == 8) { 1215ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint64_t* src8 = reinterpret_cast<uint64_t*>(a->GetRawData(sizeof(uint64_t), 0)); 121624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write8BE(&dst, src8[offset + i]); 121724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 4) { 1218ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint32_t* src4 = reinterpret_cast<uint32_t*>(a->GetRawData(sizeof(uint32_t), 0)); 121924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write4BE(&dst, src4[offset + i]); 122024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 2) { 1221ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint16_t* src2 = reinterpret_cast<uint16_t*>(a->GetRawData(sizeof(uint16_t), 0)); 122224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write2BE(&dst, src2[offset + i]); 122324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 1224ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint8_t* src = reinterpret_cast<uint8_t*>(a->GetRawData(sizeof(uint8_t), 0)); 122524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes memcpy(dst, &src[offset * width], count * width); 122624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 122724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 12289837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 12292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* oa = a->AsObjectArray<mirror::Object>(); 123024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) { 12312dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* element = oa->Get(offset + i); 12329837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag specific_tag = (element != nullptr) ? TagFromObject(soa, element) 12339837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : tag; 123424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAdd1(pReply, specific_tag); 123524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(element)); 123624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 123724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 123824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 12393d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1240872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1241872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1242ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate <typename T> 1243ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic void CopyArrayData(mirror::Array* a, JDWP::Request& src, int offset, int count) 1244ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers NO_THREAD_SAFETY_ANALYSIS { 1245ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // TODO: fix when annotalysis correctly handles non-member functions. 12464b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes DCHECK(a->GetClass()->IsPrimitiveArray()); 12474b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 1248ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers T* dst = reinterpret_cast<T*>(a->GetRawData(sizeof(T), offset)); 12494b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes for (int i = 0; i < count; ++i) { 12504b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes *dst++ = src.ReadValue(sizeof(T)); 12514b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes } 12524b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes} 12534b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 125488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetArrayElements(JDWP::ObjectId array_id, int offset, int count, 12554b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::Request& request) 1256b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 12573d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 12584b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::Array* dst = DecodeArray(array_id, status); 12594b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (dst == NULL) { 12603d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 12613d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 1262f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 12634b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (offset < 0 || count < 0 || offset > dst->GetLength() || dst->GetLength() - offset < count) { 1264f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 12653d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 1266f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1267f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier std::string descriptor = dst->GetClass()->GetDescriptor(); 1268f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor.c_str() + 1); 1269f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 1270f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (IsPrimitiveTag(tag)) { 1271f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes size_t width = GetTagWidth(tag); 1272f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (width == 8) { 12734b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint64_t>(dst, request, offset, count); 1274f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 4) { 12754b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint32_t>(dst, request, offset, count); 1276f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 2) { 12774b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint16_t>(dst, request, offset, count); 1278f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 12794b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint8_t>(dst, request, offset, count); 1280f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1281f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 12824b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::ObjectArray<mirror::Object>* oa = dst->AsObjectArray<mirror::Object>(); 1283f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes for (int i = 0; i < count; ++i) { 12844b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::ObjectId id = request.ReadObjectId(); 12852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 128664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1287436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1288436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 1289d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz oa->Set<false>(offset + i, o); 1290f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1291f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1292f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 12933d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1294872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1295872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 12967b3cdfcca472b779cf8745fb8460935e56229f11Elliott HughesJDWP::ObjectId Dbg::CreateString(const std::string& str) { 12972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return gRegistry->Add(mirror::String::AllocFromModifiedUtf8(Thread::Current(), str.c_str())); 1298872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1299872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 130088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId& new_object) { 1301436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1303436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1304436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 13057b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 130650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers new_object = gRegistry->Add(c->AllocObject(Thread::Current())); 1307436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1308872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1309872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1310bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes/* 1311bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes * Used by Eclipse's "Display" view to evaluate "new byte[5]" to get "(byte[]) [0, 0, 0, 0, 0]". 1312bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes */ 131388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, 131400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId& new_array) { 1315436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(array_class_id, status); 1317436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1318436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 13197b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 13206fac447555dc94a935b78198479cce645c837b89Ian Rogers new_array = gRegistry->Add(mirror::Array::Alloc<true>(Thread::Current(), c, length, 13216fac447555dc94a935b78198479cce645c837b89Ian Rogers c->GetComponentSize(), 13226fac447555dc94a935b78198479cce645c837b89Ian Rogers Runtime::Current()->GetHeap()->GetCurrentAllocator())); 1323436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1324872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1325872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 132688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesbool Dbg::MatchType(JDWP::RefTypeId instance_class_id, JDWP::RefTypeId class_id) { 1327436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13282dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c1 = DecodeClass(instance_class_id, status); 1329a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c1 != NULL); 13302dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c2 = DecodeClass(class_id, status); 1331a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c2 != NULL); 1332123756a041baf8421ed933312605daa5ef082f6fSebastien Hertz return c2->IsAssignableFrom(c1); 1333872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1334872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1335ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::FieldId ToFieldId(const mirror::ArtField* f) 1336b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1337590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 133803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::FieldId>(reinterpret_cast<uintptr_t>(f)); 133903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 134003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1341ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::MethodId ToMethodId(const mirror::ArtMethod* m) 1342b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1343590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 134403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::MethodId>(reinterpret_cast<uintptr_t>(m)); 134503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 134603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1347ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtField* FromFieldId(JDWP::FieldId fid) 1348b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1349590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 1350ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtField*>(static_cast<uintptr_t>(fid)); 1351aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes} 1352aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1353ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtMethod* FromMethodId(JDWP::MethodId mid) 1354b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1355590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 1356ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtMethod*>(static_cast<uintptr_t>(mid)); 135703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 135803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1359ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic void SetLocation(JDWP::JdwpLocation& location, mirror::ArtMethod* m, uint32_t dex_pc) 1360b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 136191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (m == NULL) { 136291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes memset(&location, 0, sizeof(location)); 136391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } else { 13642dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = m->GetDeclaringClass(); 13654d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz location.type_tag = GetTypeTag(c); 1366cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.class_id = gRegistry->AddRefType(c); 1367748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes location.method_id = ToMethodId(m); 1368cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint64_t>(-1) : dex_pc; 136991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 1370d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes} 1371d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 1372a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetMethodName(JDWP::MethodId method_id) 1373b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1374ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 13756d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers return MethodHelper(m).GetName(); 1376872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1377872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1378a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetFieldName(JDWP::FieldId field_id) 1379a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1380ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 1381a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes return FieldHelper(f).GetName(); 1382a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes} 1383a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes 1384a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes/* 1385a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * Augment the access flags for synthetic methods and fields by setting 1386a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * the (as described by the spec) "0xf0000000 bit". Also, strip out any 1387a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * flags not specified by the Java programming language. 1388a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes */ 1389a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughesstatic uint32_t MangleAccessFlags(uint32_t accessFlags) { 1390a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags &= kAccJavaFlagsMask; 1391a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes if ((accessFlags & kAccSynthetic) != 0) { 1392a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags |= 0xf0000000; 1393a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1394a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return accessFlags; 1395872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1396872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1397dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes/* 1398b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come first. Debuggers 1399b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * expect slots to begin with arguments, but dex code places them at 1400b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * the end. 1401dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes */ 1402b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Haostatic uint16_t MangleSlot(uint16_t slot, mirror::ArtMethod* m) 1403b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1404b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao const DexFile::CodeItem* code_item = MethodHelper(m).GetCodeItem(); 1405cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1406cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1407cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1408cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to mangle slot for method without code " << PrettyMethod(m); 1409cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1410cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1411b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1412b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1413b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot >= locals_size) { 1414b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - locals_size; 1415b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1416b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + ins_size; 1417dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1418dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1419dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1420b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao/* 1421b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come last. Reverts 1422b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * slots to dex style argument placement. 1423b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao */ 1424ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic uint16_t DemangleSlot(uint16_t slot, mirror::ArtMethod* m) 1425b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1426b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao const DexFile::CodeItem* code_item = MethodHelper(m).GetCodeItem(); 1427cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1428cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1429cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1430cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to demangle slot for method without code " << PrettyMethod(m); 1431cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1432cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1433b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1434b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1435b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot < ins_size) { 1436b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + locals_size; 1437b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1438b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - ins_size; 1439dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1440dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1441dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 144288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredFields(JDWP::RefTypeId class_id, bool with_generic, 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 instance_field_count = c->NumInstanceFields(); 1450a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t static_field_count = c->NumStaticFields(); 1451a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1452a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, instance_field_count + static_field_count); 1453a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1454a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < instance_field_count + static_field_count; ++i) { 1455ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = (i < instance_field_count) ? c->GetInstanceField(i) : c->GetStaticField(i - instance_field_count); 14566d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers FieldHelper fh(f); 1457a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddFieldId(pReply, ToFieldId(f)); 14586d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, fh.GetName()); 14596d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, fh.GetTypeDescriptor()); 1460c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1461a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1462a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1463a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1464a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(f->GetAccessFlags())); 1465a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1466436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1467a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1468a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 146988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredMethods(JDWP::RefTypeId class_id, bool with_generic, 147000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 1471436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14722dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1473436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1474436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14757b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1476a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1477a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t direct_method_count = c->NumDirectMethods(); 1478a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t virtual_method_count = c->NumVirtualMethods(); 1479a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1480a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, direct_method_count + virtual_method_count); 1481a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1482a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < direct_method_count + virtual_method_count; ++i) { 1483ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = (i < direct_method_count) ? c->GetDirectMethod(i) : c->GetVirtualMethod(i - direct_method_count); 14846d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1485a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddMethodId(pReply, ToMethodId(m)); 14866d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, mh.GetName()); 1487d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers expandBufAddUtf8String(pReply, mh.GetSignature().ToString()); 1488c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1489a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1490a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1491a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1492a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(m->GetAccessFlags())); 1493a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1494436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1495a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1496a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 149788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredInterfaces(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1498436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 1499f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Thread* self = Thread::Current(); 1500f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 1501f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Handle<mirror::Class> c(hs.NewHandle(DecodeClass(class_id, status))); 1502f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier if (c.Get() == nullptr) { 1503436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 15047b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1505f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t interface_count = c->NumDirectInterfaces(); 1506a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, interface_count); 1507a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < interface_count; ++i) { 1508f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier expandBufAddRefTypeId(pReply, 1509f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier gRegistry->AddRefType(mirror::Class::GetDirectInterface(self, c, i))); 1510a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1511436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1512872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1513872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 151488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputLineTable(JDWP::RefTypeId, JDWP::MethodId method_id, JDWP::ExpandBuf* pReply) 1515b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 151603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes struct DebugCallbackContext { 151703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes int numItems; 151803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::ExpandBuf* pReply; 151903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 15202435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes static bool Callback(void* context, uint32_t address, uint32_t line_number) { 152103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 152203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pContext->pReply, address); 15232435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd4BE(pContext->pReply, line_number); 152403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes pContext->numItems++; 1525f2910eef247b45ce1d489e323b36b5de6b6157aaSebastien Hertz return false; 152603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 152703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 1528ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 15296d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1530cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 153103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes uint64_t start, end; 1532cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1533cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DCHECK(m->IsNative() || m->IsProxyMethod()); 153403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = -1; 153503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes end = -1; 153603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } else { 153703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = 0; 153814f0db92225d34622fa5cb1a6dc9287334aaf6c7jeffhao // Return the index of the last instruction 1539cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz end = code_item->insns_size_in_code_units_ - 1; 154003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 154103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 154203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, start); 154303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, end); 154403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 154503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes // Add numLines later 154603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes size_t numLinesOffset = expandBufGetLength(pReply); 154703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd4BE(pReply, 0); 154803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 154903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext context; 155003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.numItems = 0; 155103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.pReply = pReply; 155203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1553cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1554cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 1555cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DebugCallbackContext::Callback, NULL, &context); 1556cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 155703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 155803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + numLinesOffset, context.numItems); 1559872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1560872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 156188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputVariableTable(JDWP::RefTypeId, JDWP::MethodId method_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1562dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes struct DebugCallbackContext { 1563b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao mirror::ArtMethod* method; 1564dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes JDWP::ExpandBuf* pReply; 1565c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count; 1566c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes bool with_generic; 1567dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1568b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao static void Callback(void* context, uint16_t slot, uint32_t startAddress, uint32_t endAddress, const char* name, const char* descriptor, const char* signature) 1569b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1570dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 1571dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1572b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff 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)); 1573dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1574b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao slot = MangleSlot(slot, pContext->method); 157568fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 1576dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd8BE(pContext->pReply, startAddress); 1577dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, name); 1578dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, descriptor); 1579c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (pContext->with_generic) { 1580dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, signature); 1581dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1582dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, endAddress - startAddress); 1583dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, slot); 1584dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1585c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes ++pContext->variable_count; 1586dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1587dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes }; 1588ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 15896d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1590dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1591c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // arg_count considers doubles and longs to take 2 units. 1592c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // variable_count considers everything to take 1 unit. 15936d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers std::string shorty(mh.GetShorty()); 1594ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom expandBufAdd4BE(pReply, mirror::ArtMethod::NumArgRegisters(shorty)); 1595dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1596c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // We don't know the total number of variables yet, so leave a blank and update it later. 1597c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count_offset = expandBufGetLength(pReply); 1598dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pReply, 0); 1599dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1600dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext context; 1601b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao context.method = m; 1602dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes context.pReply = pReply; 1603c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.variable_count = 0; 1604c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.with_generic = with_generic; 1605dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1606cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 1607cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1608cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), NULL, 1609cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DebugCallbackContext::Callback, &context); 1610cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1611dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1612c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + variable_count_offset, context.variable_count); 1613872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1614872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1615579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, 1616579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::ExpandBuf* pReply) { 1617579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::ArtMethod* m = FromMethodId(method_id); 1618579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::JdwpTag tag = BasicTagFromDescriptor(MethodHelper(m).GetShorty()); 1619579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao OutputJValue(tag, return_value, pReply); 1620579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1621579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 16223f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::OutputFieldValue(JDWP::FieldId field_id, const JValue* field_value, 16233f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ExpandBuf* pReply) { 16243f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* f = FromFieldId(field_id); 16253f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 16263f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OutputJValue(tag, field_value, pReply); 16273f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 16283f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 16299777ba230c83a0edcbda2cf7b208339e77bf171bElliott HughesJDWP::JdwpError Dbg::GetBytecodes(JDWP::RefTypeId, JDWP::MethodId method_id, 16309777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes std::vector<uint8_t>& bytecodes) 16319777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1632ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 16339777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes if (m == NULL) { 16349777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_INVALID_METHODID; 16359777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 16369777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes MethodHelper mh(m); 16379777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const DexFile::CodeItem* code_item = mh.GetCodeItem(); 16389777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes size_t byte_count = code_item->insns_size_in_code_units_ * 2; 16399777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* begin = reinterpret_cast<const uint8_t*>(code_item->insns_); 16409777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* end = begin + byte_count; 16419777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes for (const uint8_t* p = begin; p != end; ++p) { 16429777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes bytecodes.push_back(*p); 16439777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 16449777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_NONE; 16459777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes} 16469777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes 164788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetFieldBasicTag(JDWP::FieldId field_id) { 164888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return BasicTagFromDescriptor(FieldHelper(FromFieldId(field_id)).GetTypeDescriptor()); 1649872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1650872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 165188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetStaticFieldBasicTag(JDWP::FieldId field_id) { 165288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return BasicTagFromDescriptor(FieldHelper(FromFieldId(field_id)).GetTypeDescriptor()); 1653872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1654872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 165588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError GetFieldValueImpl(JDWP::RefTypeId ref_type_id, JDWP::ObjectId object_id, 165688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::FieldId field_id, JDWP::ExpandBuf* pReply, 165700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool is_static) 1658b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 16590cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes JDWP::JdwpError status; 16602dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(ref_type_id, status); 166188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes if (ref_type_id != 0 && c == NULL) { 16620cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return status; 16630cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16640cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16652dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 166664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 16673f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 16683f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1669ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 16700cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16712dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* receiver_class = c; 16720cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class == NULL && o != NULL) { 16730cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes receiver_class = o->GetClass(); 16740cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16750cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we give up now if receiver_class is NULL? 16760cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class != NULL && !f->GetDeclaringClass()->IsAssignableFrom(receiver_class)) { 16770cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(INFO) << "ERR_INVALID_FIELDID: " << PrettyField(f) << " " << PrettyClass(receiver_class); 16783f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 16793f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1680aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 16810cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 16820cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 16830cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 16840cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 16850cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 16860cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16870cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 16880cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 16890cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 16900cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16910cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16920dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 16930dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 16940dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 16950cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16966d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 1697579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JValue field_value; 1698579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_VOID) { 1699579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao LOG(FATAL) << "Unknown tag: " << tag; 1700579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (!IsPrimitiveTag(tag)) { 1701579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetL(f->GetObject(o)); 1702579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1703579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetJ(f->Get64(o)); 1704aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1705579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetI(f->Get32(o)); 1706aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1707579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::OutputJValue(tag, &field_value, pReply); 1708579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 17093f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_NONE; 1710872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1711872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 171288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, 171300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 171488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(0, object_id, field_id, pReply, false); 17153f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 17163f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 171788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetStaticFieldValue(JDWP::RefTypeId ref_type_id, JDWP::FieldId field_id, JDWP::ExpandBuf* pReply) { 171888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(ref_type_id, 0, field_id, pReply, true); 17193f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 17203f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 172188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError SetFieldValueImpl(JDWP::ObjectId object_id, JDWP::FieldId field_id, 172200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint64_t value, int width, bool is_static) 1723b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 17242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 172564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 17263f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 17273f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1728ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 17290cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 17300cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 17310cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 17320cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 17330cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 17340cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 17350cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17360cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 17370cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 17380cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 17390cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17403f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 17410dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 17420dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 17430dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 1744aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 17456d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 1746aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1747aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (IsPrimitiveTag(tag)) { 1748aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 17491bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_EQ(width, 8); 1750d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1751d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set64<false>(o, value); 1752aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 17531bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_LE(width, 4); 1754d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1755d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set32<false>(o, value); 1756aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1757aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 17582dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* v = gRegistry->Get<mirror::Object*>(value); 175964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (v == ObjectRegistry::kInvalidObject) { 17603d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_OBJECT; 17613d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 17623f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (v != NULL) { 17632dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* field_type = FieldHelper(f).GetType(); 17643f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (!field_type->IsAssignableFrom(v->GetClass())) { 17653f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 17663f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 17673f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1768d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1769d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->SetObject<false>(o, v); 1770aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 17713d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 17723d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1773872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1774872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 177588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, uint64_t value, 177600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int width) { 177788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(object_id, field_id, value, width, false); 1778872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1779872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 178088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) { 178188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(0, field_id, value, width, true); 1782872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1783872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 178488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::StringToUtf8(JDWP::ObjectId string_id) { 17852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = gRegistry->Get<mirror::String*>(string_id); 178668fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes return s->ToModifiedUtf8(); 1787872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1788872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1789579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) { 1790579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (IsPrimitiveTag(tag)) { 1791579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, tag); 1792579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_BOOLEAN || tag == JDWP::JT_BYTE) { 1793579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, return_value->GetI()); 1794579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_CHAR || tag == JDWP::JT_SHORT) { 1795579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd2BE(pReply, return_value->GetI()); 1796579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_FLOAT || tag == JDWP::JT_INT) { 1797579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd4BE(pReply, return_value->GetI()); 1798579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1799579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd8BE(pReply, return_value->GetJ()); 1800579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 1801579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao CHECK_EQ(tag, JDWP::JT_VOID); 1802579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1803579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 18049837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1805579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::Object* value = return_value->GetL(); 18069837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers expandBufAdd1(pReply, TagFromObject(soa, value)); 1807579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAddObjectId(pReply, gRegistry->Add(value)); 1808579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1809579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1810579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 1811221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadName(JDWP::ObjectId thread_id, std::string& name) { 1812a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao ScopedObjectAccessUnchecked soa(Thread::Current()); 1813a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1814221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1815221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1816221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE && error != JDWP::ERR_THREAD_NOT_ALIVE) { 1817221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1818a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1819221229cb523f849f165fdafbf9785010963715daElliott Hughes 1820221229cb523f849f165fdafbf9785010963715daElliott Hughes // We still need to report the zombie threads' names, so we can't just call Thread::GetThreadName. 18212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 1822ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* java_lang_Thread_name_field = 18232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.DecodeField(WellKnownClasses::java_lang_Thread_name); 18242dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = 18252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers reinterpret_cast<mirror::String*>(java_lang_Thread_name_field->GetObject(thread_object)); 1826221229cb523f849f165fdafbf9785010963715daElliott Hughes if (s != NULL) { 1827221229cb523f849f165fdafbf9785010963715daElliott Hughes name = s->ToModifiedUtf8(); 1828221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1829221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1830872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1831872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1832221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 183300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 18342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 183564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_object == ObjectRegistry::kInvalidObject) { 18362435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18372435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 18389837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroup"); 18392435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Okay, so it's an object, but is it actually a thread? 184050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1841221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1842221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1843221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 1844221229cb523f849f165fdafbf9785010963715daElliott Hughes // Zombie threads are in the null group. 1845221229cb523f849f165fdafbf9785010963715daElliott Hughes expandBufAddObjectId(pReply, JDWP::ObjectId(0)); 184652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz error = JDWP::ERR_NONE; 184752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz } else if (error == JDWP::ERR_NONE) { 184852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 184952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(c != nullptr); 185052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::ArtField* f = c->FindInstanceField("group", "Ljava/lang/ThreadGroup;"); 185152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(f != NULL); 185252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Object* group = f->GetObject(thread_object); 185352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(group != NULL); 185452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId thread_group_id = gRegistry->Add(group); 185552d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz expandBufAddObjectId(pReply, thread_group_id); 18562435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 18579837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 185852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz return error; 1859872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1860872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 186188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id) { 186200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 18632dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 18649837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 18659837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupName"); 18669837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 18679837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1868ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("name", "Ljava/lang/String;"); 1869499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes CHECK(f != NULL); 18702dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = reinterpret_cast<mirror::String*>(f->GetObject(thread_group)); 18719837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 1872499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes return s->ToModifiedUtf8(); 1873872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1874872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 187588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::ObjectId Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id) { 18769837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 18772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 18789837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 18799837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupParent"); 18809837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 18819837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1882ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("parent", "Ljava/lang/ThreadGroup;"); 18834e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes CHECK(f != NULL); 18842dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* parent = f->GetObject(thread_group); 18859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 18864e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return gRegistry->Add(parent); 1887872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1888872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1889872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetSystemThreadGroupId() { 189000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1891ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup); 18922dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1893365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1894872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1895872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1896872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetMainThreadGroupId() { 189700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1898ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup); 18992dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1900365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1901872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1902872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1903920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff HaoJDWP::JdwpThreadStatus Dbg::ToJdwpThreadStatus(ThreadState state) { 1904920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao switch (state) { 1905920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kBlocked: 1906920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_MONITOR; 1907920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kNative: 1908920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kRunnable: 1909920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSuspended: 1910920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_RUNNING; 1911920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSleeping: 1912920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_SLEEPING; 1913920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kStarting: 1914920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTerminated: 1915920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 1916920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTimedWaiting: 1917920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSend: 1918920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSuspension: 1919920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerToAttach: 1920138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz case kWaitingForDeoptimization: 1921920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForGcToComplete: 1922920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForCheckPointsToRun: 1923920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForJniOnLoad: 1924920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForSignalCatcherOutput: 1925920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainDebuggerLoop: 1926920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainSignalCatcherLoop: 1927920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingPerformingGc: 1928920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaiting: 1929920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_WAIT; 1930920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao // Don't add a 'default' here so the compiler can spot incompatible enum changes. 1931920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao } 1932920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao LOG(FATAL) << "Unknown thread state: " << state; 1933920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 1934920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao} 1935920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao 193652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetThreadStatus(JDWP::ObjectId thread_id, JDWP::JdwpThreadStatus* pThreadStatus, 193752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::JdwpSuspendStatus* pSuspendStatus) { 193800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1939499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 19409e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_NOT_SUSPENDED; 19419e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 194250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1943221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1944221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1945221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 1946221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 1947221229cb523f849f165fdafbf9785010963715daElliott Hughes *pThreadStatus = JDWP::TS_ZOMBIE; 1948221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1949221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1950221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1951499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes } 1952499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 19539e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (IsSuspendedForDebugger(soa, thread)) { 19549e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_SUSPENDED; 19559e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes } 195600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 1957920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao *pThreadStatus = ToJdwpThreadStatus(thread->GetState()); 1958221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1959872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1960872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1961221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 196200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 196350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1964221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1965221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1966221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 1967221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 19682435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 196950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 197000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers expandBufAdd4BE(pReply, thread->GetDebugSuspendCount()); 19712435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1972872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1973872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1974f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott HughesJDWP::JdwpError Dbg::Interrupt(JDWP::ObjectId thread_id) { 1975f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccess soa(Thread::Current()); 1976f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1977f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 1978f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1979f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 1980f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 1981f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 1982dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers thread->Interrupt(soa.Self()); 1983f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 1984f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 1985f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 1986caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetThreads(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& thread_ids) { 1987365c10235438607541fa2259a5fec48061b90bd8Ian Rogers class ThreadListVisitor { 1988365c10235438607541fa2259a5fec48061b90bd8Ian Rogers public: 19892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers ThreadListVisitor(const ScopedObjectAccessUnchecked& soa, mirror::Object* desired_thread_group, 199000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::vector<JDWP::ObjectId>& thread_ids) 1991b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 19920dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao : soa_(soa), desired_thread_group_(desired_thread_group), thread_ids_(thread_ids) {} 1993365c10235438607541fa2259a5fec48061b90bd8Ian Rogers 1994a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes static void Visit(Thread* t, void* arg) { 1995a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes reinterpret_cast<ThreadListVisitor*>(arg)->Visit(t); 1996a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1997a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 199800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 199900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 200000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void Visit(Thread* t) NO_THREAD_SAFETY_ANALYSIS { 2001a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (t == Dbg::GetDebugThread()) { 2002a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Skip the JDWP thread. Some debuggers get bent out of shape when they can't suspend and 2003a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // query all threads, so it's easier if we just don't tell them about this thread. 2004a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 2005a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 20062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = t->GetPeer(); 20070dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (IsInDesiredThreadGroup(peer)) { 2008120f1c74a9768e958377b6c97897511b27ae58c8Ian Rogers thread_ids_.push_back(gRegistry->Add(peer)); 2009a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2010a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2011a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 2012365c10235438607541fa2259a5fec48061b90bd8Ian Rogers private: 20132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers bool IsInDesiredThreadGroup(mirror::Object* peer) 20140dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20150dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // peer might be NULL if the thread is still starting up. 20160dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (peer == NULL) { 20170dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // We can't tell the debugger about this thread yet. 20180dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // TODO: if we identified threads to the debugger by their Thread* 20192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers // rather than their peer's mirror::Object*, we could fix this. 20200dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // Doing so might help us report ZOMBIE threads too. 20210dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return false; 20220dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 2023c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao // Do we want threads from all thread groups? 2024c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao if (desired_thread_group_ == NULL) { 2025c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao return true; 2026c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao } 20272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = soa_.DecodeField(WellKnownClasses::java_lang_Thread_group)->GetObject(peer); 20280dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return (group == desired_thread_group_); 20290dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 20300dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao 2031dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier const ScopedObjectAccessUnchecked& soa_; 20322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* const desired_thread_group_; 2033caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes std::vector<JDWP::ObjectId>& thread_ids_; 2034a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 2035a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 203600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 20372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 203800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ThreadListVisitor tlv(soa, thread_group, thread_ids); 203950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2040f8349361a16a4e2796efe9f3586b994e8d4834e4Elliott Hughes Runtime::Current()->GetThreadList()->ForEach(ThreadListVisitor::Visit, &tlv); 2041a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes} 2042a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 2043caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetChildThreadGroups(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& child_thread_group_ids) { 204400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 20452dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 2046caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2047caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the ArrayList<ThreadGroup> "groups" out of this thread group... 2048ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;"); 20492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* groups_array_list = groups_field->GetObject(thread_group); 2050872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2051caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the array and size out of the ArrayList<ThreadGroup>... 2052ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;"); 2053ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I"); 20542dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* groups_array = 20552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>(); 2056caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes const int32_t size = size_field->GetInt(groups_array_list); 2057caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2058caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Copy the first 'size' elements out of the array into the result. 2059caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes for (int32_t i = 0; i < size; ++i) { 2060caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes child_thread_group_ids.push_back(gRegistry->Add(groups_array->Get(i))); 2061caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes } 2062872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2063872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 206400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic int GetStackDepth(Thread* thread) 2065b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct CountStackDepthVisitor : public StackVisitor { 206793ba893c20532990a430741e0a97212900094e8cBrian Carlstrom explicit CountStackDepthVisitor(Thread* thread) 20687a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth(0) {} 20690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 207064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 207164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 207264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 20730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!GetMethod()->IsRuntimeMethod()) { 2074f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes ++depth; 2075f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes } 2076530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 2077a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 2078a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t depth; 2079a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes }; 208008fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes 20817a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers CountStackDepthVisitor visitor(thread); 20820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2083a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return visitor.depth; 2084872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2085872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2086221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadFrameCount(JDWP::ObjectId thread_id, size_t& result) { 208700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2088a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2089221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2090221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2091221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2092221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2093221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2094f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2095f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2096f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 2097221229cb523f849f165fdafbf9785010963715daElliott Hughes result = GetStackDepth(thread); 2098221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 20998696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 21008696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2101306057fd278d75bf3794bd5243a3b6652c487d18Ian RogersJDWP::JdwpError Dbg::GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, 2102306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers size_t frame_count, JDWP::ExpandBuf* buf) { 21036e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes class GetFrameVisitor : public StackVisitor { 21046e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes public: 21057a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor(Thread* thread, size_t start_frame, size_t frame_count, JDWP::ExpandBuf* buf) 2106b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 21077a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth_(0), 21086e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes start_frame_(start_frame), frame_count_(frame_count), buf_(buf) { 21096e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd4BE(buf_, frame_count_); 211003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21110399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 211200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 211300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 211400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 21150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetMethod()->IsRuntimeMethod()) { 21167934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return true; // The debugger can't do anything useful with a frame that has no Method*. 211703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21186e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_ + frame_count_) { 2119530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 212003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21216e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_) { 21226e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id(GetFrameId()); 21236e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::JdwpLocation location; 21246e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes SetLocation(location, GetMethod(), GetDexPc()); 2125ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers VLOG(jdwp) << StringPrintf(" Frame %3zd: id=%3" PRIu64 " ", depth_, frame_id) << location; 21266e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd8BE(buf_, frame_id); 21276e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAddLocation(buf_, location); 21286e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 21296e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes ++depth_; 2130530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 213103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21326e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes 21336e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes private: 21346e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes size_t depth_; 21356e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t start_frame_; 21366e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t frame_count_; 21376e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::ExpandBuf* buf_; 213803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 213900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 214000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2141a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2142221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2143221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2144221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2145221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2146221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2147f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2148f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2149f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 21507a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor visitor(thread, start_frame, frame_count, buf); 21510399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 21526e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 2153872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2154872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2155872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetThreadSelfId() { 2156dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 2157cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers return gRegistry->Add(soa.Self()->GetPeer()); 2158872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2159872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2160475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::SuspendVM() { 216100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Runtime::Current()->GetThreadList()->SuspendAllForDebugger(); 2162872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2163872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2164872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ResumeVM() { 2165c61a267e98ed1038b74c33c7740414ced4a27d89Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 2166872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2167872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2168221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::SuspendThread(JDWP::ObjectId thread_id, bool request_suspension) { 216900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> peer(Thread::Current()->GetJniEnv(), NULL); 217000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 217100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 21722dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers peer.reset(soa.AddLocalReference<jobject>(gRegistry->Get<mirror::Object*>(thread_id))); 217300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 217400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (peer.get() == NULL) { 217500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 217600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 217700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend thread to build stack trace. 2178f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes bool timed_out; 2179d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* thread = ThreadList::SuspendThreadByPeer(peer.get(), request_suspension, true, 2180d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 218100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (thread != NULL) { 218200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_NONE; 2183f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else if (timed_out) { 218400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_INTERNAL; 218500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } else { 218600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 21874e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 2188872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2189872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2190221229cb523f849f165fdafbf9785010963715daElliott Hughesvoid Dbg::ResumeThread(JDWP::ObjectId thread_id) { 219100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 21922dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = gRegistry->Get<mirror::Object*>(thread_id); 2193a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao Thread* thread; 2194a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao { 2195a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2196a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao thread = Thread::FromManagedThread(soa, peer); 2197a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao } 21984e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes if (thread == NULL) { 21994e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes LOG(WARNING) << "No such thread for resume: " << peer; 22004e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return; 22014e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 220200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool needs_resume; 220300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 220450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 220500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers needs_resume = thread->GetSuspendCount() > 0; 220600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 220700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (needs_resume) { 2208546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes Runtime::Current()->GetThreadList()->Resume(thread, true); 2209546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 2210872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2211872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2212872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::SuspendSelf() { 2213475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes Runtime::Current()->GetThreadList()->SuspendSelfForDebugger(); 2214872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2215872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 22160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct GetThisVisitor : public StackVisitor { 22177a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 2218b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 22197a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), this_object(NULL), frame_id(frame_id) {} 222068fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 222100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 222200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 222300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 22246e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (frame_id != GetFrameId()) { 22250399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // continue 22260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 222762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_object = GetThisObject(); 222862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return false; 22290399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 223068fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes } 2231dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 22322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* this_object; 22336e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id; 22340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers}; 2235ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 223600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan RogersJDWP::JdwpError Dbg::GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, 223700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* result) { 223800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 223900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread; 224000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 224150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2242221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2243221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2244221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 224500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 22469e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 224700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_SUSPENDED; 224800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 22496e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 2250700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 22517a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor visitor(thread, context.get(), frame_id); 22520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 22536e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes *result = gRegistry->Add(visitor.this_object); 22546e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 22550399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 22560399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2257cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::GetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2258cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint8_t* buf, size_t width) { 22590399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct GetLocalVisitor : public StackVisitor { 22609837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor(const ScopedObjectAccessUnchecked& soa, Thread* thread, Context* context, 22619837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint8_t* buf, size_t width) 2262b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 22639837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : StackVisitor(thread, context), soa_(soa), frame_id_(frame_id), slot_(slot), tag_(tag), 2264cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz buf_(buf), width_(width), error_(JDWP::ERR_NONE) {} 2265ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 226600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 226700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 226800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 22690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 22700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 22710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2273cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2274ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2275cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2276cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2277cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2278cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2279cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 22800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 22810399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 22820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 22830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BOOLEAN: 22840399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 22862bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get boolean local " << reg << " = " << intVal; 22880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_+1, intVal != 0); 22890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22910399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BYTE: 22920399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22930399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 22942bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get byte local " << reg << " = " << intVal; 22960399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_+1, intVal); 22970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22980399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22990399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_SHORT: 23000399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CHAR: 23010399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23020399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 23032bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 23040399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get short/char local " << reg << " = " << intVal; 23050399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set2BE(buf_+1, intVal); 23060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23070399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23080399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_INT: 23092bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers { 23102bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 23112bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 23122bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers VLOG(jdwp) << "get int local " << reg << " = " << intVal; 23132bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers JDWP::Set4BE(buf_+1, intVal); 23142bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 23152bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 23160399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_FLOAT: 23170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23180399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 23192bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kFloatVReg); 23200399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get int/float local " << reg << " = " << intVal; 23210399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set4BE(buf_+1, intVal); 23220399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23230399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23240399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_ARRAY: 23250399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 23272dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = reinterpret_cast<mirror::Object*>(GetVReg(m, reg, kReferenceVReg)); 23280399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get array local " << reg << " = " << o; 2329590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 23300399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Register " << reg << " expected to hold array: " << o; 23310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23320399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::SetObjectId(buf_+1, gRegistry->Add(o)); 23330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CLASS_LOADER: 23360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CLASS_OBJECT: 23370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_OBJECT: 23380399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_STRING: 23390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_THREAD: 23400399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_THREAD_GROUP: 23410399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23420399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 23432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = reinterpret_cast<mirror::Object*>(GetVReg(m, reg, kReferenceVReg)); 23440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get object local " << reg << " = " << o; 2345590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 23460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Register " << reg << " expected to hold object: " << o; 23470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23489837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag_ = TagFromObject(soa_, o); 23490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::SetObjectId(buf_+1, gRegistry->Add(o)); 23500399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23510399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_DOUBLE: 23532bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers { 23542bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 23552bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t lo = GetVReg(m, reg, kDoubleLoVReg); 23562bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t hi = GetVReg(m, reg + 1, kDoubleHiVReg); 23572bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t longVal = (hi << 32) | lo; 23582bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers VLOG(jdwp) << "get double/long local " << hi << ":" << lo << " = " << longVal; 23592bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers JDWP::Set8BE(buf_+1, longVal); 23602bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 23612bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 23620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_LONG: 23630399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23640399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 23652bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t lo = GetVReg(m, reg, kLongLoVReg); 23662bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t hi = GetVReg(m, reg + 1, kLongHiVReg); 23670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint64_t longVal = (hi << 32) | lo; 23680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get double/long local " << hi << ":" << lo << " = " << longVal; 23690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set8BE(buf_+1, longVal); 23700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers default: 23730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Unknown tag " << tag_; 23740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23750399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 2376ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 23770399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // Prepend tag, which may have been updated. 23780399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_, tag_); 23790399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 23800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23819837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const ScopedObjectAccessUnchecked& soa_; 23820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 23830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 23840399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::JdwpTag tag_; 23850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint8_t* const buf_; 23860399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2387cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 23880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 238900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 239000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2391a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2392221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2393221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2394221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2395cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2396221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2397cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 2398700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 23999837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor visitor(soa, thread, context.get(), frame_id, slot, tag, buf, width); 24000399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2401cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 24020399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 24030399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2404cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::SetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2405cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint64_t value, size_t width) { 24060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SetLocalVisitor : public StackVisitor { 24077a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor(Thread* thread, Context* context, 24080399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint64_t value, 2409ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers size_t width) 2410b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 24117a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), 2412cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz frame_id_(frame_id), slot_(slot), tag_(tag), value_(value), width_(width), 2413cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_(JDWP::ERR_NONE) {} 2414ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 241500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 241600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 241700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 24180399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 24190399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 2420ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes } 24210399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2422cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2423ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2424cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2425cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2426cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2427cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2428cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 24290399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 24300399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 24310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 24320399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BOOLEAN: 24330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BYTE: 24340399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 24352bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24370399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_SHORT: 24380399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CHAR: 24390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 24402bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24410399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24420399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_INT: 24432bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 24442bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24452bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 24460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_FLOAT: 24470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 24482bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kFloatVReg); 24490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24500399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_ARRAY: 24510399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_OBJECT: 24520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_STRING: 24530399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 24540399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 24552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(static_cast<JDWP::ObjectId>(value_)); 245664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 24570399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers UNIMPLEMENTED(FATAL) << "return an error code when given an invalid object to store"; 24580399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24592bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(reinterpret_cast<uintptr_t>(o)), kReferenceVReg); 24600399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_DOUBLE: 24632bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 24642bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kDoubleLoVReg); 24652bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg + 1, static_cast<uint32_t>(value_ >> 32), kDoubleHiVReg); 24662bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 24670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_LONG: 24680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 24692bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kLongLoVReg); 24702bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg + 1, static_cast<uint32_t>(value_ >> 32), kLongHiVReg); 24710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers default: 24730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Unknown tag " << tag_; 24740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24750399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24760399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 2477cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes } 24780399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 24790399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 24800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 24810399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::JdwpTag tag_; 24820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const uint64_t value_; 24830399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2484cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 24850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 248600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 248700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2488a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2489221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2490221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2491221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2492cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2493221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2494cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 2495700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<Context> context(Context::Create()); 24967a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor visitor(thread, context.get(), frame_id, slot, tag, value, width); 24970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2498cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 2499872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2500872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 25013f52eafe5577b8489f90dc8ed5981b3455206147Sebastien HertzJDWP::ObjectId Dbg::GetThisObjectIdForEvent(mirror::Object* this_object) { 25023f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // If 'this_object' isn't already in the registry, we know that we're not looking for it, so 25033f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // there's no point adding it to the registry and burning through ids. 25043f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // When registering an event request with an instance filter, we've been given an existing object 25053f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // id so it must already be present in the registry when the event fires. 25063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = 0; 25073f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (this_object != nullptr && gRegistry->Contains(this_object)) { 25083f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz this_id = gRegistry->Add(this_object); 25093f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 25103f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return this_id; 25113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 25123f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2513ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersvoid Dbg::PostLocationEvent(mirror::ArtMethod* m, int dex_pc, mirror::Object* this_object, 2514579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao int event_flags, const JValue* return_value) { 25153f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 25163f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 25173f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 25183f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 25193f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK_EQ(m->IsStatic(), this_object == nullptr); 252091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes JDWP::JdwpLocation location; 2521cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz SetLocation(location, m, dex_pc); 252291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 25233f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // We need 'this' for InstanceOnly filters only. 25243f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = GetThisObjectIdForEvent(this_object); 2525579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao gJdwpState->PostLocationEvent(&location, this_id, event_flags, return_value); 2526872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2527872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 25283f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldAccessEvent(mirror::ArtMethod* m, int dex_pc, 25293f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f) { 25303f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 25313f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 25323f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 25333f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 25343f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 25353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpLocation location; 25363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SetLocation(location, m, dex_pc); 25373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::RefTypeId type_id = gRegistry->AddRefType(f->GetDeclaringClass()); 25393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::FieldId field_id = ToFieldId(f); 25403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = gRegistry->Add(this_object); 25413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz gJdwpState->PostFieldEvent(&location, type_id, field_id, this_id, nullptr, false); 25433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 25443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldModificationEvent(mirror::ArtMethod* m, int dex_pc, 25463f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f, 25473f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz const JValue* field_value) { 25483f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 25493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 25503f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 25513f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 25523f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 25533f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(field_value != nullptr); 25543f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpLocation location; 25553f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SetLocation(location, m, dex_pc); 25563f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25573f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::RefTypeId type_id = gRegistry->AddRefType(f->GetDeclaringClass()); 25583f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::FieldId field_id = ToFieldId(f); 25593f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = gRegistry->Add(this_object); 25603f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25613f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz gJdwpState->PostFieldEvent(&location, type_id, field_id, this_id, field_value, true); 25623f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 25633f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25643f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostException(const ThrowLocation& throw_location, 2565ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, 256664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes uint32_t catch_dex_pc, mirror::Throwable* exception_object) { 2567c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 25680ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers return; 25690ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers } 25704740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 257162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers JDWP::JdwpLocation jdwp_throw_location; 257262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SetLocation(jdwp_throw_location, throw_location.GetMethod(), throw_location.GetDexPc()); 2573d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes JDWP::JdwpLocation catch_location; 2574caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes SetLocation(catch_location, catch_method, catch_dex_pc); 2575d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 25763f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // We need 'this' for InstanceOnly filters only. 25773f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = GetThisObjectIdForEvent(throw_location.GetThis()); 257864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::ObjectId exception_id = gRegistry->Add(exception_object); 257964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId exception_class_id = gRegistry->AddRefType(exception_object->GetClass()); 2580d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 258162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers gJdwpState->PostException(&jdwp_throw_location, exception_id, exception_class_id, &catch_location, 258262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_id); 2583872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2584872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 25852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::PostClassPrepare(mirror::Class* c) { 2586c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 25874740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes return; 25884740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes } 25894740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 25903d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes // OLD-TODO - we currently always send both "verified" and "prepared" since 25914740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // debuggers seem to like that. There might be some advantage to honesty, 25924740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // since the class may not yet be verified. 25934740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes int state = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 25944d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag tag = GetTypeTag(c); 2595f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier gJdwpState->PostClassPrepare(tag, gRegistry->Add(c), c->GetDescriptor(), state); 2596872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2597872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 259862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersvoid Dbg::UpdateDebugger(Thread* thread, mirror::Object* this_object, 25998379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz mirror::ArtMethod* m, uint32_t dex_pc, 26008379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz int event_flags, const JValue* return_value) { 260162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (!IsDebuggerActive() || dex_pc == static_cast<uint32_t>(-2) /* fake method exit */) { 26022aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes return; 260391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 260491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 26058696433d1b3d8ba15288483b777edd888de69135Elliott Hughes if (IsBreakpoint(m, dex_pc)) { 26068696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kBreakpoint; 260791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 260891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 260961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // If the debugger is single-stepping one of our threads, check to 261061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // see if we're that thread and we've reached a step point. 261161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const SingleStepControl* single_step_control = thread->GetSingleStepControl(); 261261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 261361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->is_active) { 261461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK(!m->IsNative()); 261561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_depth == JDWP::SD_INTO) { 261661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step into method calls. We break when the line number 261761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // or method pointer changes. If we're in SS_MIN mode, we 261861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // always stop. 261961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->method != m) { 262061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 262161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new method"; 262261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_size == JDWP::SS_MIN) { 262361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 262461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new instruction"; 2625bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 262661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 262761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new line"; 262861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 262961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_depth == JDWP::SD_OVER) { 263061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step over method calls. We break when the line number is 263161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // different and the frame depth is <= the original frame 263261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth. (We can't just compare on the method, because we 263361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // might get unrolled past it by an exception, and it's tricky 263461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // to identify recursion.) 263561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 263661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 263761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 263861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 263961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Popped up one or more frames, always trigger. 264061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 264161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 264261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (stack_depth == single_step_control->stack_depth) { 264361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Same depth, see if we moved. 264461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_size == JDWP::SS_MIN) { 26458696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kSingleStep; 26468696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "SS new instruction"; 2647bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 26482435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes event_flags |= kSingleStep; 26492435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "SS new line"; 265091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 265161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 265261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else { 265361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK_EQ(single_step_control->step_depth, JDWP::SD_OUT); 265461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Return from the current method. We break when the frame 265561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth pops up. 265661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 265761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // This differs from the "method exit" break in that it stops 265861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // with the PC at the next instruction in the returned-to 265961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // function, rather than the end of the returning function. 266061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 266161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 266261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 266361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 266461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 26658696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 266691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 266791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 266891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 266991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // If there's something interesting going on, see if it matches one 267091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // of the debugger filters. 267191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (event_flags != 0) { 26728379b2256be5d2be4ad083a76e9f8ec403c4d405Sebastien Hertz Dbg::PostLocationEvent(m, dex_pc, this_object, event_flags, return_value); 267391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 267491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes} 267591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 267642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertzsize_t* Dbg::GetReferenceCounterForEvent(uint32_t instrumentation_event) { 267742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz switch (instrumentation_event) { 267842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodEntered: 267942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_enter_event_ref_count_; 268042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kMethodExited: 268142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &method_exit_event_ref_count_; 268242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kDexPcMoved: 268342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &dex_pc_change_event_ref_count_; 268442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldRead: 268542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_read_event_ref_count_; 268642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kFieldWritten: 268742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &field_write_event_ref_count_; 268842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case instrumentation::Instrumentation::kExceptionCaught: 268942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return &exception_catch_event_ref_count_; 269042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz default: 269142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz return nullptr; 269242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 269342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz} 269442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz 26954d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz// Process request while all mutator threads are suspended. 26964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::ProcessDeoptimizationRequest(const DeoptimizationRequest& request) { 2697138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 26984d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz switch (request.kind) { 26994d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kNothing: 27004d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(WARNING) << "Ignoring empty deoptimization request."; 27014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 270242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: 270342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Add debugger as listener for instrumentation event 0x%x", 270442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz request.instrumentation_event); 270542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation->AddListener(&gDebugInstrumentationListener, request.instrumentation_event); 270642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ |= request.instrumentation_event; 270742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 270842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: 270942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz VLOG(jdwp) << StringPrintf("Remove debugger as listener for instrumentation event 0x%x", 271042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz request.instrumentation_event); 271142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation->RemoveListener(&gDebugInstrumentationListener, 271242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz request.instrumentation_event); 271342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz instrumentation_events_ &= ~request.instrumentation_event; 271442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 27154d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: 27167ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world ..."; 27174d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->DeoptimizeEverything(); 27187ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world DONE"; 27194d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27204d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: 27217ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world ..."; 27224d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->UndeoptimizeEverything(); 27237ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world DONE"; 27244d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27254d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: 27267ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.method) << " ..."; 27274d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->Deoptimize(request.method); 27287ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.method) << " DONE"; 27294d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27304d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: 27317ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.method) << " ..."; 27324d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->Undeoptimize(request.method); 27337ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.method) << " DONE"; 27344d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27354d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: 27364d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(FATAL) << "Unsupported deoptimization request kind " << request.kind; 27374d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27384d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27394d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 27404d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 27417ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::DelayFullUndeoptimization() { 27427ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 27437ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ++delayed_full_undeoptimization_count_; 27447ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DCHECK_LE(delayed_full_undeoptimization_count_, full_deoptimization_event_count_); 27457ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 27467ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 27477ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::ProcessDelayedFullUndeoptimizations() { 27487ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz // TODO: avoid taking the lock twice (once here and once in ManageDeoptimization). 27497ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz { 27507ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 27517ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz while (delayed_full_undeoptimization_count_ > 0) { 27527ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DeoptimizationRequest req; 27537ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz req.kind = DeoptimizationRequest::kFullUndeoptimization; 27547ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz req.method = nullptr; 27557ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 27567ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz --delayed_full_undeoptimization_count_; 27577ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 27587ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 27597ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ManageDeoptimization(); 27607ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 27617ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 27624d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::RequestDeoptimization(const DeoptimizationRequest& req) { 27634d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (req.kind == DeoptimizationRequest::kNothing) { 27644d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz // Nothing to do. 27654d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz return; 27664d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27674d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 27687ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 27697ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 27707ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 27717ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::RequestDeoptimizationLocked(const DeoptimizationRequest& req) { 27724d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz switch (req.kind) { 277342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kRegisterForEvent: { 277442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz DCHECK_NE(req.instrumentation_event, 0u); 277542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz size_t* counter = GetReferenceCounterForEvent(req.instrumentation_event); 277642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 277742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz req.instrumentation_event); 277842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 27797d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to start listening to instrumentation event 0x%x", 278042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.size(), req.instrumentation_event); 278142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 278242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 278342cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter + 1; 278442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 278542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 278642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz case DeoptimizationRequest::kUnregisterForEvent: { 278742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz DCHECK_NE(req.instrumentation_event, 0u); 278842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz size_t* counter = GetReferenceCounterForEvent(req.instrumentation_event); 278942cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz CHECK(counter != nullptr) << StringPrintf("No counter for instrumentation event 0x%x", 279042cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz req.instrumentation_event); 279142cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz *counter = *counter - 1; 279242cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz if (*counter == 0) { 27937d2ae437a87ceb2bdda098ab11f4da588c6a75f5Sebastien Hertz VLOG(jdwp) << StringPrintf("Queue request #%zd to stop listening to instrumentation event 0x%x", 279442cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.size(), req.instrumentation_event); 279542cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz deoptimization_requests_.push_back(req); 279642cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 279742cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz break; 279842cd43fa593e8f0427eb0ec158bef08814a6180bSebastien Hertz } 27994d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: { 28004d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method == nullptr); 28014d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 28027ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 28037ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full deoptimization"; 28044d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2805138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 28064d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ++full_deoptimization_event_count_; 28074d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28084d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 28094d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: { 28104d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method == nullptr); 2811e713d9338ad122d6b8c7997387d0c9fc464eea3eSebastien Hertz DCHECK_GT(full_deoptimization_event_count_, 0U); 28124d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz --full_deoptimization_event_count_; 28134d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 28147ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 28157ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full undeoptimization"; 28164d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2817138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 28184d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28194d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 28204d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: { 28214d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method != nullptr); 28227ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 28237ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for deoptimization of " << PrettyMethod(req.method); 28244d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 28254d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28264d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 28274d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: { 28284d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method != nullptr); 28297ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 28307ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for undeoptimization of " << PrettyMethod(req.method); 28314d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 28324d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 28334d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 28344d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: { 28354d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(FATAL) << "Unknown deoptimization request kind " << req.kind; 28364d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 2837138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2838138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2839138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 2840138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2841138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertzvoid Dbg::ManageDeoptimization() { 2842138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Thread* const self = Thread::Current(); 2843138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 2844138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Avoid suspend/resume if there is no pending request. 28454d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 28464d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_requests_.empty()) { 2847138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz return; 2848138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2849138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2850138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 2851138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromRunnableToSuspended(kWaitingForDeoptimization); 2852138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // We need to suspend mutator threads first. 2853138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Runtime* const runtime = Runtime::Current(); 2854138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->SuspendAll(); 2855138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz const ThreadState old_state = self->SetStateUnsafe(kRunnable); 28564d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 28574d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 28587ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz size_t req_index = 0; 28594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (const DeoptimizationRequest& request : deoptimization_requests_) { 28607ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Process deoptimization request #" << req_index++; 28614d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ProcessDeoptimizationRequest(request); 28624d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 28634d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 28644d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 2865138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 2866138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->ResumeAll(); 2867138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromSuspendedToRunnable(); 2868138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 2869138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2870a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic bool IsMethodPossiblyInlined(Thread* self, mirror::ArtMethod* m) 2871a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2872a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MethodHelper mh(m); 2873a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 2874a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (code_item == nullptr) { 2875a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // TODO We should not be asked to watch location in a native or abstract method so the code item 2876a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // should never be null. We could just check we never encounter this case. 2877a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return false; 2878a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2879eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(self); 2880eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(mh.GetDexCache())); 2881eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader(hs.NewHandle(mh.GetClassLoader())); 2882a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz verifier::MethodVerifier verifier(&mh.GetDexFile(), &dex_cache, &class_loader, 2883a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz &mh.GetClassDef(), code_item, m->GetDexMethodIndex(), m, 2884a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz m->GetAccessFlags(), false, true); 2885a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: we don't need to verify the method. 2886a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return InlineMethodAnalyser::AnalyseMethodCode(&verifier, nullptr); 2887a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2888138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2889a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic const Breakpoint* FindFirstBreakpointForMethod(mirror::ArtMethod* m) 2890a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) { 2891a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 2892a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (breakpoint.method == m) { 2893a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return &breakpoint; 2894138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2895a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2896a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return nullptr; 2897a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2898138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2899a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Sanity checks all existing breakpoints on the same method. 2900a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic void SanityCheckExistingBreakpoints(mirror::ArtMethod* m, bool need_full_deoptimization) 2901a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) { 2902a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (kIsDebugBuild) { 2903a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 2904a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK_EQ(need_full_deoptimization, breakpoint.need_full_deoptimization); 2905a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2906a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2907a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have deoptimized everything but not "selectively" deoptimized this method. 2908a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->AreAllMethodsDeoptimized()); 2909a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(!Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2910a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2911a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have "selectively" deoptimized this method. 2912a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: while we have not deoptimized everything for this method, we may have done it for 2913a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // another event. 2914a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2915a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2916138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2917a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2918138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2919a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Installs a breakpoint at the specified location. Also indicates through the deoptimization 2920a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to deoptimize. 2921a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzvoid Dbg::WatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 2922a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz Thread* const self = Thread::Current(); 2923a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz mirror::ArtMethod* m = FromMethodId(location->method_id); 2924a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 2925a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2926a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MutexLock mu(self, *Locks::breakpoint_lock_); 2927a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 2928a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization; 2929a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 2930a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no breakpoint on this method yet: we need to deoptimize. If this method may be 2931a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // inlined, we deoptimize everything; otherwise we deoptimize only this method. 2932a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = IsMethodPossiblyInlined(self, m); 2933a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2934a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kFullDeoptimization; 2935a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2936a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2937a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kSelectiveDeoptimization; 2938a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = m; 2939a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2940a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2941a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to deoptimize. 2942a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kNothing; 2943a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2944a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2945a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = existing_breakpoint->need_full_deoptimization; 2946a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 2947138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2948a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2949a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.push_back(Breakpoint(m, location->dex_pc, need_full_deoptimization)); 2950a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Set breakpoint #" << (gBreakpoints.size() - 1) << ": " 2951a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz << gBreakpoints[gBreakpoints.size() - 1]; 2952872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2953872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2954a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Uninstalls a breakpoint at the specified location. Also indicates through the deoptimization 2955a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to undeoptimize. 29564d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::UnwatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 2957ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(location->method_id); 2958a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 2959138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2960a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 2961a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization = false; 2962a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 2963a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (gBreakpoints[i].method == m && gBreakpoints[i].dex_pc == location->dex_pc) { 2964a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Removed breakpoint #" << i << ": " << gBreakpoints[i]; 2965a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = gBreakpoints[i].need_full_deoptimization; 2966a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK_NE(need_full_deoptimization, Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2967a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.erase(gBreakpoints.begin() + i); 2968a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz break; 2969138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2970138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2971a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 2972a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 2973a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no more breakpoint on this method: we need to undeoptimize. 2974a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2975a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required full deoptimization: we need to undeoptimize everything. 2976a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kFullUndeoptimization; 2977a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2978a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2979a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required selective deoptimization: we need to undeoptimize only that method. 2980a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kSelectiveUndeoptimization; 2981a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = m; 2982a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2983a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2984a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to undeoptimize. 2985a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kNothing; 2986a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2987a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 29888696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2989872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2990872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2991449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// Scoped utility class to suspend a thread so that we may do tasks such as walk its stack. Doesn't 2992449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// cause suspension if the thread is the current thread. 2993449db33fafa29578df60e8a323f78d5eb6247e76Jeff Haoclass ScopedThreadSuspension { 2994449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao public: 299533e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers ScopedThreadSuspension(Thread* self, JDWP::ObjectId thread_id) 299652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_) 299733e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) : 2998449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao thread_(NULL), 2999449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_(JDWP::ERR_NONE), 3000449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_(false), 300133e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers other_suspend_(false) { 3002449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedObjectAccessUnchecked soa(self); 3003449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao { 3004449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3005449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = DecodeThread(soa, thread_id, thread_); 3006449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3007449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (error_ == JDWP::ERR_NONE) { 3008449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (thread_ == soa.Self()) { 3009449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_ = true; 3010449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3011449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao soa.Self()->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 3012449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao jobject thread_peer = gRegistry->GetJObject(thread_id); 3013449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool timed_out; 3014d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* suspended_thread = ThreadList::SuspendThreadByPeer(thread_peer, true, true, 3015d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 3016449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(soa.Self()->TransitionFromSuspendedToRunnable(), kWaitingForDebuggerSuspension); 3017449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (suspended_thread == NULL) { 3018449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao // Thread terminated from under us while suspending. 3019449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = JDWP::ERR_INVALID_THREAD; 3020449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 3021449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(suspended_thread, thread_); 3022449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao other_suspend_ = true; 3023449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3024449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3025449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3026449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3027449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3028449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* GetThread() const { 3029449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return thread_; 3030449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3031449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3032449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError GetError() const { 3033449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return error_; 3034449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3035449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3036449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ~ScopedThreadSuspension() { 3037449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (other_suspend_) { 3038449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Runtime::Current()->GetThreadList()->Resume(thread_, true); 3039449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3040449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 3041449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3042449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao private: 3043449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* thread_; 3044449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError error_; 3045449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool self_suspend_; 3046449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool other_suspend_; 3047449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao}; 3048449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 3049221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize step_size, 305000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpStepDepth step_depth) { 3051449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* self = Thread::Current(); 3052449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedThreadSuspension sts(self, thread_id); 3053449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (sts.GetError() != JDWP::ERR_NONE) { 3054449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return sts.GetError(); 30552435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30568696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 30572435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 30582435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Work out what Method* we're in, the current line number, and how deep the stack currently 30592435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // is for step-out. 30602435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 30612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 30620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SingleStepStackVisitor : public StackVisitor { 306361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz explicit SingleStepStackVisitor(Thread* thread, SingleStepControl* single_step_control, 306461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* line_number) 3065b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 306661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz : StackVisitor(thread, NULL), single_step_control_(single_step_control), 306761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz line_number_(line_number) { 306861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK_EQ(single_step_control_, thread->GetSingleStepControl()); 306961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = NULL; 307061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->stack_depth = 0; 30718696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3072ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 307300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 307400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 307500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 307661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz mirror::ArtMethod* m = GetMethod(); 30770399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 307861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ++single_step_control_->stack_depth; 307961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control_->method == NULL) { 3080ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::DexCache* dex_cache = m->GetDeclaringClass()->GetDexCache(); 308161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = m; 308261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = -1; 30832435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (dex_cache != NULL) { 30844445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *dex_cache->GetDexFile(); 308561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = dex_file.GetLineNumFromPC(m, GetDexPc()); 30862435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30878696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 30888696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3089530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 30908696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 309161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 309261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 309361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* const line_number_; 30948696433d1b3d8ba15288483b777edd888de69135Elliott Hughes }; 3095449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 309661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* const thread = sts.GetThread(); 309761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control = thread->GetSingleStepControl(); 309861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 309961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t line_number = -1; 310061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepStackVisitor visitor(thread, single_step_control, &line_number); 31010399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 31028696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 31032435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 31042435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Find the dex_pc values that correspond to the current line, for line-based single-stepping. 31052435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 31062435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 31072435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes struct DebugCallbackContext { 3108bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz explicit DebugCallbackContext(SingleStepControl* single_step_control, int32_t line_number, 3109bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* code_item) 3110bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz : single_step_control_(single_step_control), line_number_(line_number), code_item_(code_item), 311161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz last_pc_valid(false), last_pc(0) { 31122435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31132435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 311461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz static bool Callback(void* raw_context, uint32_t address, uint32_t line_number) { 31152435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes DebugCallbackContext* context = reinterpret_cast<DebugCallbackContext*>(raw_context); 311661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (static_cast<int32_t>(line_number) == context->line_number_) { 31172435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (!context->last_pc_valid) { 31182435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything from this address until the next line change is ours. 31192435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc = address; 31202435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = true; 31212435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31222435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Otherwise, if we're already in a valid range for this line, 31232435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // just keep going (shouldn't really happen)... 31247934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom } else if (context->last_pc_valid) { // and the line number is new 31252435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Add everything from the last entry up until here to the set 31262435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = context->last_pc; dex_pc < address; ++dex_pc) { 312761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz context->single_step_control_->dex_pcs.insert(dex_pc); 31282435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31292435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = false; 31302435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31317934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return false; // There may be multiple entries for any given line. 31322435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31332435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 313461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ~DebugCallbackContext() { 31352435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // If the line number was the last in the position table... 31362435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (last_pc_valid) { 3137bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz size_t end = code_item_->insns_size_in_code_units_; 31382435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = last_pc; dex_pc < end; ++dex_pc) { 313961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->dex_pcs.insert(dex_pc); 31402435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31412435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31422435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31432435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 314461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 314561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const int32_t line_number_; 3146bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item_; 31472435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes bool last_pc_valid; 31482435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes uint32_t last_pc; 31492435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes }; 315061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->dex_pcs.clear(); 3151ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = single_step_control->method; 315261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (!m->IsNative()) { 31533e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes MethodHelper mh(m); 3154bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item = mh.GetCodeItem(); 3155bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz DebugCallbackContext context(single_step_control, line_number, code_item); 3156bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 31573e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes DebugCallbackContext::Callback, NULL, &context); 31583e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes } 31592435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 31602435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 31612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything else... 31622435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 31632435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 316461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_size = step_size; 316561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_depth = step_depth; 316661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->is_active = true; 31678696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 31682435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (VLOG_IS_ON(jdwp)) { 316961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step thread: " << *thread; 317061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step size: " << single_step_control->step_size; 317161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step depth: " << single_step_control->step_depth; 317261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current method: " << PrettyMethod(single_step_control->method); 317361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current line: " << line_number; 317461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current stack depth: " << single_step_control->stack_depth; 31752435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "Single-step dex_pc values:"; 3176bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz for (uint32_t dex_pc : single_step_control->dex_pcs) { 3177bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz VLOG(jdwp) << StringPrintf(" %#x", dex_pc); 31782435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31792435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31802435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 31812435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 3182872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3183872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 318461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertzvoid Dbg::UnconfigureStep(JDWP::ObjectId thread_id) { 318561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 318661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 318761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* thread; 318861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 318987118ed6f3f99e7df33214c277cf200a7b9a7499Sebastien Hertz if (error == JDWP::ERR_NONE) { 319061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* single_step_control = thread->GetSingleStepControl(); 319161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 3192bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz single_step_control->Clear(); 319361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 3194872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3195872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 319645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughesstatic char JdwpTagToShortyChar(JDWP::JdwpTag tag) { 319745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes switch (tag) { 319845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes default: 319945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes LOG(FATAL) << "unknown JDWP tag: " << PrintableChar(tag); 320045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 320145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Primitives. 320245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BYTE: return 'B'; 320345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CHAR: return 'C'; 320445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_FLOAT: return 'F'; 320545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_DOUBLE: return 'D'; 320645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_INT: return 'I'; 320745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_LONG: return 'J'; 320845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_SHORT: return 'S'; 320945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_VOID: return 'V'; 321045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BOOLEAN: return 'Z'; 321145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 321245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Reference types. 321345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_ARRAY: 321445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_OBJECT: 321545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_STRING: 321645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD: 321745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD_GROUP: 321845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_LOADER: 321945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_OBJECT: 322045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return 'L'; 322145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 322245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes} 322345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 322488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::InvokeMethod(JDWP::ObjectId thread_id, JDWP::ObjectId object_id, 322588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::RefTypeId class_id, JDWP::MethodId method_id, 322600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint32_t arg_count, uint64_t* arg_values, 322700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* arg_types, uint32_t options, 322800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* pResultTag, uint64_t* pResultValue, 322900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* pExceptionId) { 3230d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes ThreadList* thread_list = Runtime::Current()->GetThreadList(); 3231d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3232d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes Thread* targetThread = NULL; 3233d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes DebugInvokeReq* req = NULL; 323400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 3235d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 323600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 323750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3238221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, targetThread); 3239221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 3240221229cb523f849f165fdafbf9785010963715daElliott Hughes LOG(ERROR) << "InvokeMethod request for invalid thread id " << thread_id; 3241221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 3242d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3243d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes req = targetThread->GetInvokeReq(); 3244d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (!req->ready) { 3245d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << "InvokeMethod request for thread not stopped by event: " << *targetThread; 3246d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return JDWP::ERR_INVALID_THREAD; 3247d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3248d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3249d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3250d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We currently have a bug where we don't successfully resume the 3251d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * target thread if the suspend count is too deep. We're expected to 3252d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * require one "resume" for each "suspend", but when asked to execute 3253d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a method we have to resume fully and then re-suspend it back to the 3254d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * same level. (The easiest way to cause this is to type "suspend" 3255d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * multiple times in jdb.) 3256d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3257d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * It's unclear what this means when the event specifies "resume all" 3258d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * and some threads are suspended more deeply than others. This is 3259d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a rare problem, so for now we just prevent it from hanging forever 3260d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * by rejecting the method invocation request. Without this, we will 3261d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * be stuck waiting on a suspended thread. 3262d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 326300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int suspend_count; 326400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 326550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 326600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers suspend_count = targetThread->GetSuspendCount(); 326700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 3268d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (suspend_count > 1) { 3269d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << *targetThread << " suspend count too deep for method invocation: " << suspend_count; 32707934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return JDWP::ERR_THREAD_SUSPENDED; // Probably not expected here. 3271d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3272d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 32733f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes JDWP::JdwpError status; 32742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* receiver = gRegistry->Get<mirror::Object*>(object_id); 327564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (receiver == ObjectRegistry::kInvalidObject) { 32763f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 32773f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 327845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 32792dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread = gRegistry->Get<mirror::Object*>(thread_id); 328064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread == ObjectRegistry::kInvalidObject) { 32813f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 32823f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 328345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // TODO: check that 'thread' is actually a java.lang.Thread! 328445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 32852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 328645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (c == NULL) { 32873f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return status; 32883f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 328945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3290ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 329145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic() != (receiver == NULL)) { 329245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 329345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 329445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic()) { 329545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->GetDeclaringClass() != c) { 329645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 329745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 329845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } else { 329945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { 330045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 330145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 330245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 330345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 330445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Check the argument list matches the method. 330545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes MethodHelper mh(m); 330645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (mh.GetShortyLength() - 1 != arg_count) { 330745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 330845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 330945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes const char* shorty = mh.GetShorty(); 33100920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes const DexFile::TypeList* types = mh.GetParameterTypeList(); 331145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes for (size_t i = 0; i < arg_count; ++i) { 331245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (shorty[i + 1] != JdwpTagToShortyChar(arg_types[i])) { 331345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 331445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 33150920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 33160920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes if (shorty[i + 1] == 'L') { 33170920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes // Did we really get an argument of an appropriate reference type? 33180920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes mirror::Class* parameter_type = mh.GetClassFromTypeIdx(types->GetTypeItem(i).type_idx_); 33190920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes mirror::Object* argument = gRegistry->Get<mirror::Object*>(arg_values[i]); 33200920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes if (argument == ObjectRegistry::kInvalidObject) { 33210920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 33220920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 33230630ab5239a7d7be24dedbc3f66c822332446fc3Sebastien Hertz if (argument != NULL && !argument->InstanceOf(parameter_type)) { 33240920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 33250920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 33260920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 33270920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes // Turn the on-the-wire ObjectId into a jobject. 33280920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes jvalue& v = reinterpret_cast<jvalue&>(arg_values[i]); 33290920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes v.l = gRegistry->GetJObject(arg_values[i]); 33300920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 333145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 333245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3333d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->receiver = receiver; 3334d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->thread = thread; 3335d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->klass = c; 3336d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->method = m; 3337d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_count = arg_count; 3338d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_values = arg_values; 3339d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->options = options; 3340d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->invoke_needed = true; 3341d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3342d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3343d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // The fact that we've released the thread list lock is a bit risky --- if the thread goes 3344d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // away we're sitting high and dry -- but we must release this before the ResumeAllThreads 3345d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // call, and it's unwise to hold it during WaitForSuspend. 3346d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3347d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3348d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3349d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We change our (JDWP thread) status, which should be THREAD_RUNNING, 335081ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * so we can suspend for a GC if the invoke request causes us to 3351d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * run out of memory. It's also a good idea to change it before locking 3352d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the invokeReq mutex, although that should never be held for long. 3353d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 335400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSend); 3355d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 33564dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Transferring control to event thread"; 3357d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3358d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz MutexLock mu(self, req->lock); 3359d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3360d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 33614dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming all threads"; 336200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->UndoDebuggerSuspensions(); 3363d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 33644dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread only"; 3365d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3366d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3367d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3368d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Wait for the request to finish executing. 3369d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz while (req->invoke_needed) { 3370d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->cond.Wait(self); 3371d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3372d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 33734dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Control has returned from event thread"; 3374d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3375d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* wait for thread to re-suspend itself */ 3376df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom SuspendThread(thread_id, false /* request_suspension */); 337700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 3378d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3379d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3380d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3381d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Suspend the threads. We waited for the target thread to suspend 3382d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * itself, so all we need to do is suspend the others. 3383d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3384d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * The suspendAllThreads() call will double-suspend the event thread, 3385d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * so we want to resume the target thread once to keep the books straight. 3386d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3387d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 338800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 33894dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Suspending all threads"; 339000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->SuspendAllForDebugger(); 339100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 33924dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread to balance the count"; 3393d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3394d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3395d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3396d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Copy the result. 3397d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pResultTag = req->result_tag; 3398d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (IsPrimitiveTag(req->result_tag)) { 3399f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = req->result_value.GetJ(); 3400d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 3401f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = gRegistry->Add(req->result_value.GetL()); 3402d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3403d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pExceptionId = req->exception; 3404d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return req->error; 3405872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3406872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3407872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ExecuteMethod(DebugInvokeReq* pReq) { 340800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 3409d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 341081ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes // We can be called while an exception is pending. We need 3411d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // to preserve that across the method invocation. 3412eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<4> hs(soa.Self()); 3413eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_this_object = hs.NewHandle<mirror::Object>(nullptr); 3414eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_throw_method = hs.NewHandle<mirror::ArtMethod>(nullptr); 3415eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier auto old_exception = hs.NewHandle<mirror::Throwable>(nullptr); 341662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t old_throw_dex_pc; 341762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers { 341862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation old_throw_location; 341962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* old_exception_obj = soa.Self()->GetException(&old_throw_location); 3420eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_this_object.Assign(old_throw_location.GetThis()); 3421eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_throw_method.Assign(old_throw_location.GetMethod()); 3422eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier old_exception.Assign(old_exception_obj); 342362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc = old_throw_location.GetDexPc(); 342462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 342562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 3426d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3427d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Translate the method through the vtable, unless the debugger wants to suppress it. 3428eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtMethod> m(hs.NewHandle(pReq->method)); 3429d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz if ((pReq->options & JDWP::INVOKE_NONVIRTUAL) == 0 && pReq->receiver != NULL) { 3430eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier mirror::ArtMethod* actual_method = pReq->klass->FindVirtualMethodForVirtualOrInterface(m.Get()); 3431eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (actual_method != m.Get()) { 3432eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod translated " << PrettyMethod(m.Get()) << " to " << PrettyMethod(actual_method); 3433eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier m.Assign(actual_method); 343445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 3435d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3436eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier VLOG(jdwp) << "ExecuteMethod " << PrettyMethod(m.Get()) 3437d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " receiver=" << pReq->receiver 3438d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " arg_count=" << pReq->arg_count; 3439eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier CHECK(m.Get() != nullptr); 3440d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3441d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes CHECK_EQ(sizeof(jvalue), sizeof(uint64_t)); 3442d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3443eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier pReq->result_value = InvokeWithJValues(soa, pReq->receiver, soa.EncodeMethod(m.Get()), 344453b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers reinterpret_cast<jvalue*>(pReq->arg_values)); 3445d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 344662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 344762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 344862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers pReq->exception = gRegistry->Add(exception); 3449eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier pReq->result_tag = BasicTagFromDescriptor(MethodHelper(m.Get()).GetShorty()); 3450d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (pReq->exception != 0) { 345162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers VLOG(jdwp) << " JDWP invocation returning with exception=" << exception 345262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << " " << exception->Dump(); 3453f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes pReq->result_value.SetJ(0); 3454d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else if (pReq->result_tag == JDWP::JT_OBJECT) { 3455d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* if no exception thrown, examine object result more closely */ 34569837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag new_tag = TagFromObject(soa, pReq->result_value.GetL()); 3457d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (new_tag != pReq->result_tag) { 34584dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " JDWP promoted result from " << pReq->result_tag << " to " << new_tag; 3459d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes pReq->result_tag = new_tag; 3460d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3461d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3462d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3463d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Register the object. We don't actually need an ObjectId yet, 3464d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * but we do need to be sure that the GC won't move or discard the 3465d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * object when we switch out of RUNNING. The ObjectId conversion 3466d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * will add the object to the "do not touch" list. 3467d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3468d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We can't use the "tracked allocation" mechanism here because 3469d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the object is going to be handed off to a different thread. 3470d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3471f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes gRegistry->Add(pReq->result_value.GetL()); 3472d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3473d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3474eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (old_exception.Get() != NULL) { 3475eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ThrowLocation gc_safe_throw_location(old_throw_this_object.Get(), old_throw_method.Get(), 347662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc); 3477eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier soa.Self()->SetException(gc_safe_throw_location, old_exception.Get()); 3478d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3479872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3480872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3481d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes/* 34824b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes * "request" contains a full JDWP packet, possibly with multiple chunks. We 3483f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * need to process each, accumulate the replies, and ship the whole thing 3484f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * back. 3485f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3486f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Returns "true" if we have a reply. The reply buffer is newly allocated, 3487f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * and includes the chunk type/length, followed by the data. 3488f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 34893d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes * OLD-TODO: we currently assume that the request and reply include a single 3490f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * chunk. If this becomes inconvenient we will need to adapt. 3491f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 34924b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughesbool Dbg::DdmHandlePacket(JDWP::Request& request, uint8_t** pReplyBuf, int* pReplyLen) { 3493f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes Thread* self = Thread::Current(); 3494f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes JNIEnv* env = self->GetJniEnv(); 3495f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 34964b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t type = request.ReadUnsigned32("type"); 34974b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t length = request.ReadUnsigned32("length"); 34984b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 34994b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes // Create a byte[] corresponding to 'request'. 35004b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes size_t request_length = request.size(); 35014b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes ScopedLocalRef<jbyteArray> dataArray(env, env->NewByteArray(request_length)); 35026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (dataArray.get() == NULL) { 35034b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes LOG(WARNING) << "byte[] allocation failed: " << request_length; 3504f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3505f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3506f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 35074b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes env->SetByteArrayRegion(dataArray.get(), 0, request_length, reinterpret_cast<const jbyte*>(request.data())); 35084b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes request.Skip(request_length); 3509f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3510f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Run through and find all chunks. [Currently just find the first.] 35116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ScopedByteArrayRO contents(env, dataArray.get()); 35124b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (length != request_length) { 3513ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers LOG(WARNING) << StringPrintf("bad chunk found (len=%u pktLen=%zd)", length, request_length); 3514f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3515f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3516f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3517f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Call "private static Chunk dispatch(int type, byte[] data, int offset, int length)". 3518eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jobject> chunk(env, env->CallStaticObjectMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3519eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch, 35204b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes type, dataArray.get(), 0, length)); 3521f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (env->ExceptionCheck()) { 3522f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(INFO) << StringPrintf("Exception thrown by dispatcher for 0x%08x", type); 3523f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionDescribe(); 3524f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3525f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3526f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3527f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 35286a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (chunk.get() == NULL) { 3529f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3530f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3531f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3532f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes /* 3533f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Pull the pieces out of the chunk. We copy the results into a 3534f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * newly-allocated buffer that the caller can free. We don't want to 3535f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * continue using the Chunk object because nothing has a reference to it. 3536f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3537f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * We could avoid this by returning type/data/offset/length and having 3538f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * the caller be aware of the object lifetime issues, but that 353981ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * integrates the JDWP code more tightly into the rest of the runtime, and doesn't work 3540f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * if we have responses for multiple chunks. 3541f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3542f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * So we're pretty much stuck with copying data around multiple times. 3543f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 3544eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jbyteArray> replyData(env, reinterpret_cast<jbyteArray>(env->GetObjectField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data))); 35454b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes jint offset = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset); 3546eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes length = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length); 3547eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes type = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type); 3548f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 35494dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << StringPrintf("DDM reply: type=0x%08x data=%p offset=%d length=%d", type, replyData.get(), offset, length); 35506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (length == 0 || replyData.get() == NULL) { 3551f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3552f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3553f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 35544b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes const int kChunkHdrLen = 8; 3555f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes uint8_t* reply = new uint8_t[length + kChunkHdrLen]; 3556f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (reply == NULL) { 3557f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(WARNING) << "malloc failed: " << (length + kChunkHdrLen); 3558f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3559f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3560f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 0, type); 3561f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 4, length); 35626a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes env->GetByteArrayRegion(replyData.get(), offset, length, reinterpret_cast<jbyte*>(reply + kChunkHdrLen)); 3563f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3564f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyBuf = reply; 3565f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyLen = length + kChunkHdrLen; 3566f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 35674b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes VLOG(jdwp) << StringPrintf("dvmHandleDdm returning type=%.4s %p len=%d", reinterpret_cast<char*>(reply), reply, length); 3568f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return true; 3569872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3570872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3571a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::DdmBroadcast(bool connect) { 35724dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Broadcasting DDM " << (connect ? "connect" : "disconnect") << "..."; 357347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 357447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes Thread* self = Thread::Current(); 357550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->GetState() != kRunnable) { 357650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers LOG(ERROR) << "DDM broadcast in thread state " << self->GetState(); 357750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers /* try anyway? */ 357847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 357947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 358047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes JNIEnv* env = self->GetJniEnv(); 358147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes jint event = connect ? 1 /*DdmServer.CONNECTED*/ : 2 /*DdmServer.DISCONNECTED*/; 3582eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes env->CallStaticVoidMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3583eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast, 3584eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes event); 358547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (env->ExceptionCheck()) { 358647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes LOG(ERROR) << "DdmServer.broadcast " << event << " failed"; 358747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionDescribe(); 358847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionClear(); 358947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 359047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 359147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3592872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmConnected() { 3593a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(true); 3594872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3595872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3596872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmDisconnected() { 3597a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(false); 359847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = false; 359947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 360047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 360147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes/* 36028218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes * Send a notification when a thread starts, stops, or changes its name. 360347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * 360447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * Because we broadcast the full set of threads when the notifications are 360547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * first enabled, it's possible for "thread" to be actively executing. 360647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes */ 36078218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendThreadNotification(Thread* t, uint32_t type) { 360847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (!gDdmThreadNotification) { 360947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes return; 361047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 361147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 36128218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes if (type == CHUNK_TYPE("THDE")) { 36138218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes uint8_t buf[4]; 3614d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Set4BE(&buf[0], t->GetThreadId()); 36158218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("THDE"), 4, buf); 36168218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes } else { 36178218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes CHECK(type == CHUNK_TYPE("THCR") || type == CHUNK_TYPE("THNM")) << type; 361800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 3619eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 3620eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::String> name(hs.NewHandle(t->GetThreadName(soa))); 3621eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier size_t char_count = (name.Get() != NULL) ? name->GetLength() : 0; 3622eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier const jchar* chars = (name.Get() != NULL) ? name->GetCharArray()->GetData() : NULL; 362347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 362421f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3625d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Append4BE(bytes, t->GetThreadId()); 3626545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::AppendUtf16BE(bytes, chars, char_count); 362721f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), char_count*2 + sizeof(uint32_t)*2); 362821f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(type, bytes); 362947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 363047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 363147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 363247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::DdmSetThreadNotification(bool enable) { 363300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Enable/disable thread notifications. 363447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = enable; 363547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (enable) { 363600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend the VM then post thread start notifications for all threads. Threads attaching will 363700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // see a suspension in progress and block until that ends. They then post their own start 363800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // notification. 363900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers SuspendVM(); 364000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::list<Thread*> threads; 364150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 364200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 364350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, *Locks::thread_list_lock_); 364400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers threads = Runtime::Current()->GetThreadList()->GetList(); 364500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 364600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 364750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 364802e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (Thread* thread : threads) { 364902e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier Dbg::DdmSendThreadNotification(thread, CHUNK_TYPE("THCR")); 365000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 365100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 365200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ResumeVM(); 365347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 365447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 365547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3656a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::PostThreadStartOrStop(Thread* t, uint32_t type) { 3657c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (IsDebuggerActive()) { 3658dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 3659cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers JDWP::ObjectId id = gRegistry->Add(t->GetPeer()); 36608218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes gJdwpState->PostThreadChange(id, type == CHUNK_TYPE("THCR")); 366147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 36628218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendThreadNotification(t, type); 366347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 366447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 366547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadStart(Thread* t) { 3666a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THCR")); 366747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 366847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 366947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadDeath(Thread* t) { 3670a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THDE")); 3671872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3672872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 36738218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, size_t byte_count, const uint8_t* buf) { 36743bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(buf != NULL); 36753bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes iovec vec[1]; 36763bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_base = reinterpret_cast<void*>(const_cast<uint8_t*>(buf)); 36773bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_len = byte_count; 36783bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Dbg::DdmSendChunkV(type, vec, 1); 3679872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3680872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 368121f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, const std::vector<uint8_t>& bytes) { 368221f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes DdmSendChunk(type, bytes.size(), &bytes[0]); 368321f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes} 368421f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes 3685f52935278fca8c7aa220543eef4544e3d1105d91Brian Carlstromvoid Dbg::DdmSendChunkV(uint32_t type, const iovec* iov, int iov_count) { 36863bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (gJdwpState == NULL) { 36874dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Debugger thread not active, ignoring DDM send: " << type; 36883bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 3689cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes gJdwpState->DdmSendChunkV(type, iov, iov_count); 36903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 3691872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3692872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3693767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesint Dbg::DdmHandleHpifChunk(HpifWhen when) { 3694767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when == HPIF_WHEN_NOW) { 36957162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(when); 3696767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3697767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3698767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3699767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPIF_WHEN_NEVER && when != HPIF_WHEN_NEXT_GC && when != HPIF_WHEN_EVERY_GC) { 3700767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpifWhen value: " << static_cast<int>(when); 3701767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3702767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3703767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3704767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpifWhen = when; 3705767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3706767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3707767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3708767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesbool Dbg::DdmHandleHpsgNhsgChunk(Dbg::HpsgWhen when, Dbg::HpsgWhat what, bool native) { 3709767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPSG_WHEN_NEVER && when != HPSG_WHEN_EVERY_GC) { 3710767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhen value: " << static_cast<int>(when); 3711767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3712767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3713767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3714767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (what != HPSG_WHAT_MERGED_OBJECTS && what != HPSG_WHAT_DISTINCT_OBJECTS) { 3715767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhat value: " << static_cast<int>(what); 3716767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3717767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3718767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3719767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (native) { 3720767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhen = when; 3721767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhat = what; 3722767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } else { 3723767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhen = when; 3724767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhat = what; 3725767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3726767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3727767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3728767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 37297162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughesvoid Dbg::DdmSendHeapInfo(HpifWhen reason) { 37307162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes // If there's a one-shot 'when', reset it. 37317162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (reason == gDdmHpifWhen) { 37327162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (gDdmHpifWhen == HPIF_WHEN_NEXT_GC) { 37337162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes gDdmHpifWhen = HPIF_WHEN_NEVER; 37347162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 37357162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 37367162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes 37377162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes /* 37387162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Chunk HPIF (client --> server) 37397162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 37407162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Heap Info. General information about the heap, 37417162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * suitable for a summary display. 37427162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 37437162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: number of heaps 37447162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 37457162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * For each heap: 37467162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: heap ID 37477162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u8]: timestamp in ms since Unix epoch 37487162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u1]: capture reason (same as 'when' value from server) 37497162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: max heap size in bytes (-Xmx) 37507162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current heap size in bytes 37517162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of bytes allocated 37527162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of objects allocated 37537162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes */ 37547162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes uint8_t heap_count = 1; 37551d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 375621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3757545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append4BE(bytes, heap_count); 37587934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 1); // Heap id (bogus; we only have one heap). 3759545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append8BE(bytes, MilliTime()); 3760545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append1BE(bytes, reason); 37617934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetMaxMemory()); // Max allowed heap size in bytes. 37627934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetTotalMemory()); // Current heap size in bytes. 3763b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetBytesAllocated()); 3764b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetObjectsAllocated()); 376521f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), 4U + (heap_count * (4 + 8 + 1 + 4 + 4 + 4 + 4))); 376621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("HPIF"), bytes); 3767767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3768767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 37696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgSolidity { 37706a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FREE = 0, 37716a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_HARD = 1, 37726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SOFT = 2, 37736a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_WEAK = 3, 37746a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_PHANTOM = 4, 37756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FINALIZABLE = 5, 37766a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SWEEP = 6, 37776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 37786a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37796a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgKind { 37806a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_OBJECT = 0, 37816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_CLASS_OBJECT = 1, 37826a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_1 = 2, 37836a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_2 = 3, 37846a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_4 = 4, 37856a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_8 = 5, 37866a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_UNKNOWN = 6, 37876a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_NATIVE = 7, 37886a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 37896a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37906a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_PARTIAL (1<<7) 37916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_STATE(solidity, kind) ((uint8_t)((((kind) & 0x7) << 3) | ((solidity) & 0x7))) 37926a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 379330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogersclass HeapChunkContext { 379430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers public: 37956a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Maximum chunk size. Obtain this from the formula: 37966a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // (((maximum_heap_size / ALLOCATION_UNIT_SIZE) + 255) / 256) * 2 37976a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes HeapChunkContext(bool merge, bool native) 379830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers : buf_(16384 - 16), 379930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_(0), 380030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers merge_(merge) { 38016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 38026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (native) { 380330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = CHUNK_TYPE("NHSG"); 38046a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 380530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = merge ? CHUNK_TYPE("HPSG") : CHUNK_TYPE("HPSO"); 38066a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ~HeapChunkContext() { 381030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (p_ > &buf_[0]) { 38116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Flush(); 38126a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void EnsureHeader(const void* chunk_ptr) { 381630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (!needHeader_) { 38176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 38186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38196a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38206a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Start a new HPSx chunk. 38217934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 1); // Heap id (bogus; we only have one heap). 38227934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write1BE(&p_, 8); // Size of allocation unit, in bytes. 38236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38247934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, reinterpret_cast<uintptr_t>(chunk_ptr)); // virtual address of segment start. 38257934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 0); // offset of this piece (relative to the virtual address). 38266a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // [u4]: length of piece, in allocation units 38276a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // We won't know this until we're done, so save the offset and stuff in a dummy value. 382830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = p_; 382930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Write4BE(&p_, 0x55555555); 383030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = false; 38316a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38326a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3833b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers void Flush() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3834d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers if (pieceLenField_ == NULL) { 3835d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers // Flush immediately post Reset (maybe back-to-back Flush). Ignore. 3836d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers CHECK(needHeader_); 3837d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers return; 3838d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers } 38396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Patch the "length of piece" field. 384030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(&buf_[0], pieceLenField_); 384130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(pieceLenField_, p_); 384230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Set4BE(pieceLenField_, totalAllocationUnits_); 38436a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 384430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers Dbg::DdmSendChunk(type_, p_ - &buf_[0], &buf_[0]); 38456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 38466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 384800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers static void HeapChunkCallback(void* start, void* end, size_t used_bytes, void* arg) 3849b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 3850b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 385130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers reinterpret_cast<HeapChunkContext*>(arg)->HeapChunkCallback(start, end, used_bytes); 3852a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 3853a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 38546a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes private: 3855a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes enum { ALLOCATION_UNIT_SIZE = 8 }; 3856a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 38576a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void Reset() { 385830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers p_ = &buf_[0]; 385915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 386030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers totalAllocationUnits_ = 0; 386130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = true; 386230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = NULL; 38636a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38646a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 386500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void HeapChunkCallback(void* start, void* /*end*/, size_t used_bytes) 3866b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 3867b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 386830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // Note: heap call backs cannot manipulate the heap upon which they are crawling, care is taken 386930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // in the following code not to allocate memory, by ensuring buf_ is of the correct size 387015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (used_bytes == 0) { 387115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start == NULL) { 387215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Reset for start of new heap. 387315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 387415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 387515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 387615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Only process in use memory so that free region information 387715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // also includes dlmalloc book keeping. 3878a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 3879a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 38806a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 388115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers /* If we're looking at the native heap, we'll just return 388215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers * (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks 388315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers */ 388415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool native = type_ == CHUNK_TYPE("NHSG"); 388515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 388615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (startOfNextMemoryChunk_ != NULL) { 388715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Transmit any pending free memory. Native free memory of 388815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // over kMaxFreeLen could be because of the use of mmaps, so 388915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // don't report. If not free memory then start a new segment. 389015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool flush = true; 389115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start > startOfNextMemoryChunk_) { 389215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t kMaxFreeLen = 2 * kPageSize; 389315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeStart = startOfNextMemoryChunk_; 389415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeEnd = start; 38952d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom size_t freeLen = reinterpret_cast<char*>(freeEnd) - reinterpret_cast<char*>(freeStart); 389615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (!native || freeLen < kMaxFreeLen) { 389715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(HPSG_STATE(SOLIDITY_FREE, 0), freeStart, freeLen); 389815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers flush = false; 389915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 390015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 390115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (flush) { 390215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 390315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 390415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 390515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 3906ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* obj = reinterpret_cast<mirror::Object*>(start); 3907a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 3908a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Determine the type of this chunk. 3909a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // OLD-TODO: if context.merge, see if this chunk is different from the last chunk. 3910a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If it's the same, we should combine them. 391115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers uint8_t state = ExamineObject(obj, native); 391215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // dlmalloc's chunk header is 2 * sizeof(size_t), but if the previous chunk is in use for an 391315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // allocation then the first sizeof(size_t) may belong to it. 391415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t dlMallocOverhead = sizeof(size_t); 391515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(state, start, used_bytes + dlMallocOverhead); 39162d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom startOfNextMemoryChunk_ = reinterpret_cast<char*>(start) + used_bytes + dlMallocOverhead; 391715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 391815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 391915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void AppendChunk(uint8_t state, void* ptr, size_t length) 3920b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 392115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Make sure there's enough room left in the buffer. 392215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // We need to use two bytes for every fractional 256 allocation units used by the chunk plus 392315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // 17 bytes for any header. 392415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t needed = (((length/ALLOCATION_UNIT_SIZE + 255) / 256) * 2) + 17; 392515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 392615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 392715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 392815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 3929a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 393015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 393115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 393215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(WARNING) << "Chunk is too big to transmit (chunk_len=" << length << ", " 393315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers << needed << " bytes)"; 393415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return; 393515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 393615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers EnsureHeader(ptr); 3937a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Write out the chunk description. 393815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length /= ALLOCATION_UNIT_SIZE; // Convert to allocation units. 393915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers totalAllocationUnits_ += length; 394015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers while (length > 256) { 394130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state | HPSG_PARTIAL; 394230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = 255; // length - 1 394315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length -= 256; 3944a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 394530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state; 394615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers *p_++ = length - 1; 39476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3949ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint8_t ExamineObject(mirror::Object* o, bool is_native_heap) 3950ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::heap_bitmap_lock_) { 3951a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o == NULL) { 3952a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_FREE, 0); 3953a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39546a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3955a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // It's an allocated chunk. Figure out what it is. 39566a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3957a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If we're looking at the native heap, we'll just return 3958a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks. 395900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (is_native_heap) { 3960a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 39616a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39626a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39635bfa60ffcc953340feb711ed05cf576ac821905eIan Rogers if (!Runtime::Current()->GetHeap()->IsLiveObjectLocked(o)) { 396415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 396500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 396600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 39672dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = o->GetClass(); 3968a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c == NULL) { 3969a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // The object was probably just created but hasn't been initialized yet. 3970a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 3971a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39726a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3973590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(c)) { 397415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(ERROR) << "Invalid class for managed heap object: " << o << " " << c; 3975a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_UNKNOWN); 3976a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3978a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsClassClass()) { 3979a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_CLASS_OBJECT); 39806a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3982a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 3983a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o->IsObjectArray()) { 3984a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 3985a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 3986a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes switch (c->GetComponentSize()) { 3987a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 1: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_1); 3988a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 2: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_2); 3989a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 4: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 3990a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 8: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_8); 3991a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39926a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3994a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 39956a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39966a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 399730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers std::vector<uint8_t> buf_; 399830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* p_; 399930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* pieceLenField_; 400015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* startOfNextMemoryChunk_; 400130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers size_t totalAllocationUnits_; 400230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint32_t type_; 400330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool merge_; 400430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool needHeader_; 400530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers 4006a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes DISALLOW_COPY_AND_ASSIGN(HeapChunkContext); 4007a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes}; 40086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 40096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesvoid Dbg::DdmSendHeapSegments(bool native) { 40106a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhen when; 40116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhat what; 40126a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (!native) { 40136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmHpsgWhen; 40146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmHpsgWhat; 40156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 40166a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmNhsgWhen; 40176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmNhsgWhat; 40186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 40196a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (when == HPSG_WHEN_NEVER) { 40206a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 40216a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 40226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 40236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Figure out what kind of chunks we'll be sending. 40246a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes CHECK(what == HPSG_WHAT_MERGED_OBJECTS || what == HPSG_WHAT_DISTINCT_OBJECTS) << static_cast<int>(what); 40256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 40266a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // First, send a heap start chunk. 40276a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes uint8_t heap_id[4]; 40287934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Set4BE(&heap_id[0], 1); // Heap id (bogus; we only have one heap). 40296a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHST") : CHUNK_TYPE("HPST"), sizeof(heap_id), heap_id); 40306a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4031cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Thread* self = Thread::Current(); 4032cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 4033cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // To allow the Walk/InspectAll() below to exclusively-lock the 4034cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock, temporarily release the shared access to the 4035cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock here by transitioning to the suspended state. 4036cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 4037cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromRunnableToSuspended(kSuspended); 4038cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 40396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Send a series of heap segment chunks. 4040a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes HeapChunkContext context((what == HPSG_WHAT_MERGED_OBJECTS), native); 4041a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (native) { 4042c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#ifdef USE_DLMALLOC 40431d54e73444e017d3a65234e0f193846f3e27472bIan Rogers dlmalloc_inspect_all(HeapChunkContext::HeapChunkCallback, &context); 4044c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#else 4045c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris UNIMPLEMENTED(WARNING) << "Native heap inspection is only supported with dlmalloc"; 4046c4ddc042eaf5232a3f9b111f42af39eeab6e0294Christopher Ferris#endif 4047a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 40481d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 40491d54e73444e017d3a65234e0f193846f3e27472bIan Rogers const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 40501d54e73444e017d3a65234e0f193846f3e27472bIan Rogers typedef std::vector<gc::space::ContinuousSpace*>::const_iterator It; 40511d54e73444e017d3a65234e0f193846f3e27472bIan Rogers for (It cur = spaces.begin(), end = spaces.end(); cur != end; ++cur) { 4052cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi if ((*cur)->IsMallocSpace()) { 4053cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi (*cur)->AsMallocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4054b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 4055b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 4056e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier // Walk the large objects, these are not in the AllocSpace. 4057e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier heap->GetLargeObjectsSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 4058a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 40596a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 4060cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Shared-lock the mutator lock back. 4061cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromSuspendedToRunnable(); 4062cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 4063cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 40646a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Finally, send a heap end chunk. 40656a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHEN") : CHUNK_TYPE("HPEN"), sizeof(heap_id), heap_id); 4066767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 4067767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 4068b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughesstatic size_t GetAllocTrackerMax() { 4069b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#ifdef HAVE_ANDROID_OS 4070b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes // Check whether there's a system property overriding the number of records. 4071b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes const char* propertyName = "dalvik.vm.allocTrackerMax"; 4072b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char allocRecordMaxString[PROPERTY_VALUE_MAX]; 4073b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (property_get(propertyName, allocRecordMaxString, "") > 0) { 4074b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char* end; 4075b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes size_t value = strtoul(allocRecordMaxString, &end, 10); 4076b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (*end != '\0') { 40773e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 40783e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- invalid"; 4079b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4080b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4081b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (!IsPowerOfTwo(value)) { 40823e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 40833e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- not power of two"; 4084b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4085b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4086b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return value; 4087b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4088b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#endif 4089b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4090b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes} 4091b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes 4092545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::SetAllocTrackingEnabled(bool enabled) { 4093545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (enabled) { 4094b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4095b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4096b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz if (recent_allocation_records_ == NULL) { 4097b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_max_ = GetAllocTrackerMax(); 4098b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz LOG(INFO) << "Enabling alloc tracker (" << alloc_record_max_ << " entries of " 4099b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << kMaxAllocRecordStackDepth << " frames, taking " 4100b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << PrettySize(sizeof(AllocRecord) * alloc_record_max_) << ")"; 4101b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_head_ = alloc_record_count_ = 0; 4102b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = new AllocRecord[alloc_record_max_]; 4103b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz CHECK(recent_allocation_records_ != NULL); 4104b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4105545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4106fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints(); 4107545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } else { 4108fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints(); 4109b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4110b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4111b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz delete[] recent_allocation_records_; 4112b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = NULL; 4113b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4114545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4115545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4116545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 41170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct AllocRecordStackVisitor : public StackVisitor { 41187a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor(Thread* thread, AllocRecord* record) 4119b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 41207a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), record(record), depth(0) {} 4121545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 412200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 412300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 412400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 4125545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (depth >= kMaxAllocRecordStackDepth) { 4126530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 4127545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4128ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 41290399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 41300399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].method = m; 41310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].dex_pc = GetDexPc(); 4132530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes ++depth; 4133545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4134530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 4135545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4136545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4137545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ~AllocRecordStackVisitor() { 4138545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Clear out any unused stack trace elements. 4139545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (; depth < kMaxAllocRecordStackDepth; ++depth) { 4140545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->stack[depth].method = NULL; 41410399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].dex_pc = 0; 4142545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4143545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4144545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4145545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record; 4146545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth; 4147545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4148545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 41492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::RecordAllocation(mirror::Class* type, size_t byte_count) { 4150545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes Thread* self = Thread::Current(); 4151545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes CHECK(self != NULL); 4152545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4153719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 4154545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4155545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4156545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4157545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4158545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Advance and clip. 4159719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (++alloc_record_head_ == alloc_record_max_) { 4160719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_record_head_ = 0; 4161545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4162545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4163545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the basics. 4164719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[alloc_record_head_]; 4165545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->type = type; 4166545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->byte_count = byte_count; 4167d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers record->thin_lock_id = self->GetThreadId(); 4168545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4169545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the stack trace. 41707a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor visitor(self, record); 41710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 4172545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4173719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (alloc_record_count_ < alloc_record_max_) { 4174719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers ++alloc_record_count_; 4175545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4176545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4177545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4178a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// Returns the index of the head element. 4179a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4180a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We point at the most-recently-written record, so if gAllocRecordCount is 1 4181a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// we want to use the current element. Take "head+1" and subtract count 4182a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// from it. 4183a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4184a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We need to handle underflow in our circular buffer, so we add 4185b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes// gAllocRecordMax and then mask it back down. 4186719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::HeadIndex() { 4187719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers return (Dbg::alloc_record_head_ + 1 + Dbg::alloc_record_max_ - Dbg::alloc_record_count_) & 4188719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers (Dbg::alloc_record_max_ - 1); 4189545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4190545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4191545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::DumpRecentAllocations() { 419200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 4193719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(soa.Self(), *alloc_tracker_lock_); 4194545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4195545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << "Not recording tracked allocations"; 4196545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4197545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4198545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4199545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // "i" is the head of the list. We want to start at the end of the 4200545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // list and move forward to the tail. 4201a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t i = HeadIndex(); 4202719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t count = alloc_record_count_; 4203545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4204719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "Tracked allocations, (head=" << alloc_record_head_ << " count=" << count << ")"; 4205545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (count--) { 4206545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record = &recent_allocation_records_[i]; 4207545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4208a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(INFO) << StringPrintf(" Thread %-2d %6zd bytes ", record->thin_lock_id, record->byte_count) 4209545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes << PrettyClass(record->type); 4210545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4211545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 4212ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = record->stack[stack_frame].method; 4213545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (m == NULL) { 4214545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes break; 4215545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4216545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << " " << PrettyMethod(m) << " line " << record->stack[stack_frame].LineNumber(); 4217545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4218545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4219545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // pause periodically to help logcat catch up 4220545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if ((count % 5) == 0) { 4221545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes usleep(40000); 4222545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4223545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4224719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4225545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4226545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4227545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 42283b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid Dbg::UpdateObjectPointers(IsMarkedCallback* callback, void* arg) { 4229719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (recent_allocation_records_ != nullptr) { 4230719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4231719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t i = HeadIndex(); 4232719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t count = alloc_record_count_; 4233719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers while (count--) { 4234719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[i]; 4235719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers DCHECK(record != nullptr); 42363b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier record->UpdateObjectPointers(callback, arg); 4237719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4238412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4239412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4240412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 42413b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier gRegistry->UpdateObjectPointers(callback, arg); 4242412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4243412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4244412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4245412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartiervoid Dbg::AllowNewObjectRegistryObjects() { 4246412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 4247412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gRegistry->AllowNewObjects(); 4248412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4249412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4250412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4251412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartiervoid Dbg::DisallowNewObjectRegistryObjects() { 4252412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 4253412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gRegistry->DisallowNewObjects(); 4254412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4255412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4256412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4257545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesclass StringTable { 4258545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes public: 4259545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes StringTable() { 4260545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4261545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 42626d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers void Add(const char* s) { 4263545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes table_.insert(s); 4264545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4265545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4266a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t IndexOf(const char* s) const { 426702e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier auto it = table_.find(s); 4268a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes if (it == table_.end()) { 4269a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(FATAL) << "IndexOf(\"" << s << "\") failed"; 4270a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes } 4271a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes return std::distance(table_.begin(), it); 4272545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4273545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4274a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t Size() const { 4275545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return table_.size(); 4276545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4277545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4278a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes void WriteTo(std::vector<uint8_t>& bytes) const { 427902e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::string& str : table_) { 428002e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const char* s = str.c_str(); 42816d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers size_t s_len = CountModifiedUtf8Chars(s); 4282700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<uint16_t> s_utf16(new uint16_t[s_len]); 42836d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ConvertModifiedUtf8ToUtf16(s_utf16.get(), s); 42846d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::AppendUtf16BE(bytes, s_utf16.get(), s_len); 4285545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4286545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4287545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4288545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes private: 4289a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes std::set<std::string> table_; 4290545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DISALLOW_COPY_AND_ASSIGN(StringTable); 4291545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4292545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4293280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertzstatic const char* GetMethodSourceFile(MethodHelper* mh) 4294280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4295280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz DCHECK(mh != nullptr); 4296280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz const char* source_file = mh->GetDeclaringClassSourceFile(); 4297280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz return (source_file != nullptr) ? source_file : ""; 4298280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz} 4299280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz 4300545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes/* 4301545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The data we send to DDMS contains everything we have recorded. 4302545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4303545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * Message header (all values big-endian): 4304545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) message header len (to allow future expansion); includes itself 4305545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) entry header len 4306545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack frame len 4307545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of entries 4308545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) offset to string table from start of message 4309545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of class name strings 4310545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of method name strings 4311545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of source file name strings 4312545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each entry: 4313545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) total allocation size 4314221229cb523f849f165fdafbf9785010963715daElliott Hughes * (2b) thread id 4315545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) allocated object's class name index 4316545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack depth 4317545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each stack frame: 4318545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method's class name 4319545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method name 4320545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method source file 4321545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) line number, clipped to 32767; -2 if native; -1 if no source 4322545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) class name strings 4323545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) method name strings 4324545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) source file strings 4325545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4326545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * As with other DDM traffic, strings are sent as a 4-byte length 4327545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * followed by UTF-16 data. 4328545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4329545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We send up 16-bit unsigned indexes into string tables. In theory there 4330b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes * can be (kMaxAllocRecordStackDepth * gAllocRecordMax) unique strings in 4331545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * each table, but in practice there should be far fewer. 4332545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4333545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The chief reason for using a string table here is to keep the size of 4334545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * the DDMS message to a minimum. This is partly to make the protocol 4335545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * efficient, but also because we have to form the whole thing up all at 4336545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * once in a memory buffer. 4337545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4338545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We use separate string tables for class names, method names, and source 4339545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * files to keep the indexes small. There will generally be no overlap 4340545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * between the contents of these tables. 4341545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes */ 4342545a064aca775ba801790fced3d713d8a87bfc61Elliott HughesjbyteArray Dbg::GetRecentAllocations() { 4343545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (false) { 4344545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DumpRecentAllocations(); 4345545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4346545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 434750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 434846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier std::vector<uint8_t> bytes; 434946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier { 4350719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 435146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 435246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 1: generate string tables. 435346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 435446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable class_names; 435546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable method_names; 435646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable filenames; 435746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4358719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers int count = alloc_record_count_; 435946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier int idx = HeadIndex(); 436046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 436146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 436246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4363f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier class_names.Add(record->type->GetDescriptor().c_str()); 436446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 436546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier MethodHelper mh; 436646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t i = 0; i < kMaxAllocRecordStackDepth; i++) { 4367ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = record->stack[i].method; 436846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier if (m != NULL) { 436946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier mh.ChangeMethod(m); 437046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.Add(mh.GetDeclaringClassDescriptor()); 437146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.Add(mh.GetName()); 4372280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz filenames.Add(GetMethodSourceFile(&mh)); 437346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 437446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 4375545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4376719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 437746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 437846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4379719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "allocation records: " << alloc_record_count_; 438046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 438146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 438246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 2: Generate the output and store it in the buffer. 438346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 438446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 438546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) message header len (to allow future expansion); includes itself 438646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) entry header len 438746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack frame len 438846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kMessageHeaderLen = 15; 438946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kEntryHeaderLen = 9; 439046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kStackFrameLen = 8; 439146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kMessageHeaderLen); 439246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kEntryHeaderLen); 439346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kStackFrameLen); 439446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 439546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of entries 439646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) offset to string table from start of message 439746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of class name strings 439846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of method name strings 439946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of source file name strings 4400719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers JDWP::Append2BE(bytes, alloc_record_count_); 440146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t string_table_offset = bytes.size(); 44027934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 0); // We'll patch this later... 440346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_names.Size()); 440446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_names.Size()); 440546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, filenames.Size()); 440646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4407719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers count = alloc_record_count_; 440846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier idx = HeadIndex(); 440946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 441046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each entry: 441146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) total allocation size 441246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) thread id 441346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) allocated object's class name index 441446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack depth 441546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 441646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t stack_depth = record->GetDepth(); 4417f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier size_t allocated_object_class_name_index = 4418f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier class_names.IndexOf(record->type->GetDescriptor().c_str()); 441946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append4BE(bytes, record->byte_count); 442046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, record->thin_lock_id); 442146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, allocated_object_class_name_index); 442246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, stack_depth); 442346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 442446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier MethodHelper mh; 442546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t stack_frame = 0; stack_frame < stack_depth; ++stack_frame) { 442646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each stack frame: 442746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method's class name 442846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method name 442946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method source file 443046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) line number, clipped to 32767; -2 if native; -1 if no source 443146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier mh.ChangeMethod(record->stack[stack_frame].method); 443246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t class_name_index = class_names.IndexOf(mh.GetDeclaringClassDescriptor()); 443346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t method_name_index = method_names.IndexOf(mh.GetName()); 4434280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz size_t file_name_index = filenames.IndexOf(GetMethodSourceFile(&mh)); 443546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_name_index); 443646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_name_index); 443746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, file_name_index); 443846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, record->stack[stack_frame].LineNumber()); 4439545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 444046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4441719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 4442545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4443545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 444446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) class name strings 444546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) method name strings 444646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) source file strings 444746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Set4BE(&bytes[string_table_offset], bytes.size()); 444846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.WriteTo(bytes); 444946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.WriteTo(bytes); 445046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier filenames.WriteTo(bytes); 4451545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 445250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers JNIEnv* env = self->GetJniEnv(); 4453545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes jbyteArray result = env->NewByteArray(bytes.size()); 4454545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (result != NULL) { 4455545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes env->SetByteArrayRegion(result, 0, bytes.size(), reinterpret_cast<const jbyte*>(&bytes[0])); 4456545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4457545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return result; 4458545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4459545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4460872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace art 4461