debugger.cc revision 4d466a8e4587422c989705dce3b2a19e7f0137f5
1872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes/* 2872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Copyright (C) 2008 The Android Open Source Project 3872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 4872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 5872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * you may not use this file except in compliance with the License. 6872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * You may obtain a copy of the License at 7872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 8872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 9872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * 10872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * Unless required by applicable law or agreed to in writing, software 11872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 12872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * See the License for the specific language governing permissions and 14872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes * limitations under the License. 15872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes */ 16872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 17872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes#include "debugger.h" 18872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes#include <sys/uio.h> 203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 21545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes#include <set> 22545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 23166db04e259ca51838c311891598664deeed85adIan Rogers#include "arch/context.h" 24545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes#include "class_linker.h" 252dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "class_linker-inl.h" 264f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 27776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers#include "dex_instruction.h" 281d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 291d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/large_object_space.h" 301d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space-inl.h" 3164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "jdwp/object_registry.h" 32ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 33ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 39b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cfIan Rogers#include "mirror/string-inl.h" 402dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 416d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers#include "object_utils.h" 42a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz#include "quick/inline_method_analyser.h" 4353b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers#include "reflection.h" 44a0e180632411f7fe0edf454e571c42209ee7b540Elliott Hughes#include "safe_map.h" 4564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes#include "scoped_thread_state_change.h" 466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#include "ScopedLocalRef.h" 47f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes#include "ScopedPrimitiveArray.h" 481f5393447b9f45be7918042d9ee7b521376de866Ian Rogers#include "sirt_ref.h" 4947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes#include "stack_indirect_reference_table.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 } 142579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::PostLocationEvent(method, 0, this_object, 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 } 152579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::PostLocationEvent(method, dex_pc, this_object, 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_) { 16662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Dbg::UpdateDebugger(thread, this_object, method, new_dex_pc); 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 231138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz// Breakpoints. 23209bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhaostatic std::vector<Breakpoint> gBreakpoints GUARDED_BY(Locks::breakpoint_lock_); 2338696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2343b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid DebugInvokeReq::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 2353b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 2363b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (receiver != nullptr) { 2373b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&receiver, arg, tid, root_type); 2383b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2393b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (thread != nullptr) { 2403b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(&thread, arg, tid, root_type); 2413b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2423b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (klass != nullptr) { 2433b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&klass), arg, tid, root_type); 2443b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2453b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 2463b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 2473b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2483b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 2493b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 250bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid DebugInvokeReq::Clear() { 251bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz invoke_needed = false; 252bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz receiver = nullptr; 253bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz thread = nullptr; 254bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz klass = nullptr; 255bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 256bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 257bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 2583b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid SingleStepControl::VisitRoots(RootCallback* callback, void* arg, uint32_t tid, 2593b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier RootType root_type) { 2603b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier if (method != nullptr) { 2613b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier callback(reinterpret_cast<mirror::Object**>(&method), arg, tid, root_type); 2623b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 2633b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 2643b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 265bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzbool SingleStepControl::ContainsDexPc(uint32_t dex_pc) const { 266bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz return dex_pcs.find(dex_pc) == dex_pcs.end(); 267bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 268bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 269bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertzvoid SingleStepControl::Clear() { 270bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz is_active = false; 271bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz method = nullptr; 272bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz dex_pcs.clear(); 273bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz} 274bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz 2754d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid DeoptimizationRequest::VisitRoots(RootCallback* callback, void* arg) { 2764d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (method != nullptr) { 2774d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz callback(reinterpret_cast<mirror::Object**>(&method), arg, 0, kRootDebugger); 2784d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 2794d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 2804d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 281ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic bool IsBreakpoint(const mirror::ArtMethod* m, uint32_t dex_pc) 28209bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao LOCKS_EXCLUDED(Locks::breakpoint_lock_) 283b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 28409bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 285138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 286a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes if (gBreakpoints[i].method == m && gBreakpoints[i].dex_pc == dex_pc) { 2878696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "Hit breakpoint #" << i << ": " << gBreakpoints[i]; 2888696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return true; 2898696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2908696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2918696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return false; 2928696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 2938696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 29452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertzstatic bool IsSuspendedForDebugger(ScopedObjectAccessUnchecked& soa, Thread* thread) 29552d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) { 2969e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_suspend_count_lock_); 2979e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // A thread may be suspended for GC; in this code, we really want to know whether 2989e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes // there's a debugger suspension active. 2999e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes return thread->IsSuspended() && thread->GetDebugSuspendCount() > 0; 3009e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes} 3019e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 3022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Array* DecodeArray(JDWP::RefTypeId id, JDWP::JdwpError& status) 303b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 30564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 306436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 307436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 308436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 309436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsArrayInstance()) { 310436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_ARRAY; 311436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 312436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 313436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 314436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsArray(); 315436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 316436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 3172dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersstatic mirror::Class* DecodeClass(JDWP::RefTypeId id, JDWP::JdwpError& status) 318b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3192dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 32064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 321436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_OBJECT; 322436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 323436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 324436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (!o->IsClass()) { 325436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_INVALID_CLASS; 326436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return NULL; 327436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 328436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes status = JDWP::ERR_NONE; 329436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return o->AsClass(); 330436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 331436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 332221229cb523f849f165fdafbf9785010963715daElliott Hughesstatic JDWP::JdwpError DecodeThread(ScopedObjectAccessUnchecked& soa, JDWP::ObjectId thread_id, Thread*& thread) 333a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao EXCLUSIVE_LOCKS_REQUIRED(Locks::thread_list_lock_) 334b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::thread_suspend_count_lock_) 335b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_peer = gRegistry->Get<mirror::Object*>(thread_id); 33764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_peer == NULL || thread_peer == ObjectRegistry::kInvalidObject) { 338221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't even an object. 339221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_OBJECT; 340221229cb523f849f165fdafbf9785010963715daElliott Hughes } 341221229cb523f849f165fdafbf9785010963715daElliott Hughes 3422dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* java_lang_Thread = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 343221229cb523f849f165fdafbf9785010963715daElliott Hughes if (!java_lang_Thread->IsAssignableFrom(thread_peer->GetClass())) { 344221229cb523f849f165fdafbf9785010963715daElliott Hughes // This isn't a thread. 345221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_INVALID_THREAD; 346221229cb523f849f165fdafbf9785010963715daElliott Hughes } 347221229cb523f849f165fdafbf9785010963715daElliott Hughes 348221229cb523f849f165fdafbf9785010963715daElliott Hughes thread = Thread::FromManagedThread(soa, thread_peer); 349221229cb523f849f165fdafbf9785010963715daElliott Hughes if (thread == NULL) { 350221229cb523f849f165fdafbf9785010963715daElliott Hughes // This is a java.lang.Thread without a Thread*. Must be a zombie. 351221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_THREAD_NOT_ALIVE; 352436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 353221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 354436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes} 355436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 35624437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic JDWP::JdwpTag BasicTagFromDescriptor(const char* descriptor) { 35724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // JDWP deliberately uses the descriptor characters' ASCII values for its enum. 35824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes // Note that by "basic" we mean that we don't get more specific than JT_OBJECT. 35924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return static_cast<JDWP::JdwpTag>(descriptor[0]); 36024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 36124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 3629837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromClass(const ScopedObjectAccessUnchecked& soa, mirror::Class* c) 363b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 36486b0010c79ef95b5333cd540b7d3af34a9f1a643Elliott Hughes CHECK(c != NULL); 36524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsArrayClass()) { 36624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_ARRAY; 36724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 36824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (c->IsStringClass()) { 36924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_STRING; 3709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3719837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (c->IsClassClass()) { 37224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return JDWP::JT_CLASS_OBJECT; 37324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 3749837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3759837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_class = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 3769837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_class->IsAssignableFrom(c)) { 3779837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD; 3789837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3799837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3809837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3819837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* thread_group_class = 3829837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 3839837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (thread_group_class->IsAssignableFrom(c)) { 3849837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_THREAD_GROUP; 3859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3879837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers { 3889837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* class_loader_class = 3899837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ClassLoader); 3909837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (class_loader_class->IsAssignableFrom(c)) { 3919837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_CLASS_LOADER; 3929837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3939837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers } 3949837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return JDWP::JT_OBJECT; 39524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 39624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 39724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes/* 39824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Objects declared to hold Object might actually hold a more specific 39924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * type. The debugger may take a special interest in these (e.g. it 40024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * wants to display the contents of Strings), so we want to return an 40124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * appropriate tag. 40224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * 40324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes * Null objects are tagged JT_OBJECT. 40424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes */ 4059837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogersstatic JDWP::JdwpTag TagFromObject(const ScopedObjectAccessUnchecked& soa, mirror::Object* o) 406b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4079837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers return (o == NULL) ? JDWP::JT_OBJECT : TagFromClass(soa, o->GetClass()); 40824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 40924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 41024437995cdac88b42e42b16d9aa121e833330999Elliott Hughesstatic bool IsPrimitiveTag(JDWP::JdwpTag tag) { 41124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes switch (tag) { 41224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BOOLEAN: 41324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_BYTE: 41424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_CHAR: 41524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_FLOAT: 41624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_DOUBLE: 41724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_INT: 41824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_LONG: 41924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_SHORT: 42024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes case JDWP::JT_VOID: 42124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return true; 42224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes default: 42324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes return false; 42424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 42524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes} 42624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 4273bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 4283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Handle one of the JDWP name/value pairs. 4293bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * JDWP options are: 4313bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * help: if specified, show help message and bail 4323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * transport: may be dt_socket or dt_shmem 4333bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * address: for dt_socket, "host:port", or just "port" when listening 4343bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * server: if "y", wait for debugger to attach; if "n", attach to debugger 4353bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * timeout: how long to wait for debugger to connect / listen 4363bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4373bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Useful with server=n (these aren't supported yet): 4383bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onthrow=<exception-name>: connect to debugger when exception thrown 4393bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * onuncaught=y|n: connect to debugger when uncaught exception thrown 4403bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * launch=<command-line>: launch the debugger itself 4413bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * 4423bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * The "transport" option is required, as is "address" if server=n. 4433bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 4443bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesstatic bool ParseJdwpOption(const std::string& name, const std::string& value) { 4453bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (name == "transport") { 4463bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "dt_socket") { 447376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportSocket; 4483bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "dt_android_adb") { 449376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.transport = JDWP::kJdwpTransportAndroidAdb; 4503bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4513bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP transport not supported: " << value; 4523bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4533bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4543bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "server") { 4553bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 456376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = false; 4573bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 458376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.server = true; 4593bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4603bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'server' must be 'y' or 'n'"; 4613bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4623bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4633bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "suspend") { 4643bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (value == "n") { 465376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = false; 4663bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (value == "y") { 467376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.suspend = true; 4683bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4693bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP option 'suspend' must be 'y' or 'n'"; 4703bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4713bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4723bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "address") { 4733bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* this is either <port> or <host>:<port> */ 4743bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string port_string; 475376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host.clear(); 4763bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type colon = value.find(':'); 4773bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (colon != std::string::npos) { 478376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.host = value.substr(0, colon); 4793bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value.substr(colon + 1); 4803bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4813bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes port_string = value; 4823bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4833bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (port_string.empty()) { 4843bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address missing port: " << value; 4853bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4863bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 4873bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes char* end; 488ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes uint64_t port = strtoul(port_string.c_str(), &end, 10); 489ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes if (*end != '\0' || port > 0xffff) { 4903bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "JDWP address has junk in port field: " << value; 4913bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 4923bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 493376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpOptions.port = port; 4943bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else if (name == "launch" || name == "onthrow" || name == "oncaught" || name == "timeout") { 4953bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes /* valid but unsupported */ 4963bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring JDWP option '" << name << "'='" << value << "'"; 4973bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 4983bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(INFO) << "Ignoring unrecognized JDWP option '" << name << "'='" << value << "'"; 4993bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5003bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5013bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 5023bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 5033bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes/* 5053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * Parse the latter half of a -Xrunjdwp/-agentlib:jdwp= string, e.g.: 5063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes * "transport=dt_socket,address=8000,server=y,suspend=n" 5073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes */ 5083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughesbool Dbg::ParseJdwpOptions(const std::string& options) { 5094dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "ParseJdwpOptions: " << options; 51047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 5113bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::vector<std::string> pairs; 5123bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Split(options, ',', pairs); 5133bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5143bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes for (size_t i = 0; i < pairs.size(); ++i) { 5153bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes std::string::size_type equals = pairs[i].find('='); 5163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (equals == std::string::npos) { 5173bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Can't parse JDWP option '" << pairs[i] << "' in '" << options << "'"; 5183bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5193bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes ParseJdwpOption(pairs[i].substr(0, equals), pairs[i].substr(equals + 1)); 5213bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 523376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpOptions.transport == JDWP::kJdwpTransportUnknown) { 5243bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP transport: " << options; 5253bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 526376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpOptions.server && (gJdwpOptions.host.empty() || gJdwpOptions.port == 0)) { 5273bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes LOG(ERROR) << "Must specify JDWP host and port when server=n: " << options; 5283bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return false; 5293bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 5303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 5313bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gJdwpConfigured = true; 5323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return true; 5333bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes} 5343bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes 535d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StartJdwp() { 536c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!gJdwpAllowed || !IsJdwpConfigured()) { 537376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes // No JDWP for you! 538376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes return; 539376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes } 540376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes 541719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers CHECK(gRegistry == nullptr); 542475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gRegistry = new ObjectRegistry; 543475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 544719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = new Mutex("AllocTracker lock"); 5454d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = new Mutex("deoptimization lock", kDeoptimizationLock); 546d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // Init JDWP if the debugger is enabled. This may connect out to a 547d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger, passively listen for a debugger, or block waiting for a 548d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // debugger. 549376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes gJdwpState = JDWP::JdwpState::Create(&gJdwpOptions); 550376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState == NULL) { 551f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // We probably failed because some other process has the port already, which means that 552f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // if we don't abort the user is likely to think they're talking to us when they're actually 553f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes // talking to that other process. 5543d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Debugger thread failed to initialize"; 555d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 556d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes 557d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // If a debugger has already attached, send the "welcome" message. 558d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes // This may cause us to suspend all threads. 559376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (gJdwpState->IsActive()) { 56000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 561376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes if (!gJdwpState->PostVMStart()) { 5623d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(WARNING) << "Failed to post 'start' message to debugger"; 563d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 564d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughes } 565872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 566872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 5673b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid Dbg::VisitRoots(RootCallback* callback, void* arg) { 5684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 5694d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 5704d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (Breakpoint& bp : gBreakpoints) { 5714d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz bp.VisitRoots(callback, arg); 5724d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5734d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5744d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_lock_ != nullptr) { // only true if the debugger is started. 5754d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 5764d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (DeoptimizationRequest& req : deoptimization_requests_) { 5774d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz req.VisitRoots(callback, arg); 5784d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 5793b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier } 5803b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier} 5813b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier 582d1cc8363d4f4bbac7568b1d02a5ca481cd10830fElliott Hughesvoid Dbg::StopJdwp() { 5830376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz // Prevent the JDWP thread from processing JDWP incoming packets after we close the connection. 5840376e6b62bfb43b515b791f0a7afed2d0d8030bcSebastien Hertz Disposed(); 585376a7a033d29d5f2b6e16574a340c999ff2999a0Elliott Hughes delete gJdwpState; 586719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gJdwpState = nullptr; 587475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes delete gRegistry; 588719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers gRegistry = nullptr; 589719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers delete alloc_tracker_lock_; 590719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_tracker_lock_ = nullptr; 5914d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz delete deoptimization_lock_; 5924d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_lock_ = nullptr; 593872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 594872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 595767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesvoid Dbg::GcDidFinish() { 596767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpifWhen != HPIF_WHEN_NEVER) { 59700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 5984d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Sending heap info to DDM"; 5997162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(gDdmHpifWhen); 600767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 601767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmHpsgWhen != HPSG_WHEN_NEVER) { 60200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6034d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping heap to DDM"; 6046a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(false); 605767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 606767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (gDdmNhsgWhen != HPSG_WHEN_NEVER) { 60700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 6084d466a8e4587422c989705dce3b2a19e7f0137f5Brian Carlstrom VLOG(jdwp) << "Dumping native heap to DDM"; 6096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes DdmSendHeapSegments(true); 610767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 611767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 612767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 6134ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughesvoid Dbg::SetJdwpAllowed(bool allowed) { 6144ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes gJdwpAllowed = allowed; 6154ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes} 6164ffd31315bc0d00ec278e85feed15985de5ac3dcElliott Hughes 617872d4ec7225444d9400d30f9027247deb91012fdElliott HughesDebugInvokeReq* Dbg::GetInvokeReq() { 618475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return Thread::Current()->GetInvokeReq(); 619475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 620475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 621475fc23a4a7f35d1be87ea0b06c80df317a720acElliott HughesThread* Dbg::GetDebugThread() { 622475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes return (gJdwpState != NULL) ? gJdwpState->GetDebugThread() : NULL; 623475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes} 624475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes 625475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::ClearWaitForEventThread() { 626475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes gJdwpState->ClearWaitForEventThread(); 627872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 628872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 629872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Connected() { 6303bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(!gDebuggerConnected); 6314dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "JDWP has attached"; 6323bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes gDebuggerConnected = true; 6338696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = false; 6348696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 6358696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 6368696433d1b3d8ba15288483b777edd888de69135Elliott Hughesvoid Dbg::Disposed() { 6378696433d1b3d8ba15288483b777edd888de69135Elliott Hughes gDisposed = true; 6388696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 6398696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 6408696433d1b3d8ba15288483b777edd888de69135Elliott Hughesbool Dbg::IsDisposed() { 6418696433d1b3d8ba15288483b777edd888de69135Elliott Hughes return gDisposed; 642872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 643872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 6443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz// All the instrumentation events the debugger is registered for. 6453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzstatic constexpr uint32_t kListenerEvents = instrumentation::Instrumentation::kMethodEntered | 6463f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz instrumentation::Instrumentation::kMethodExited | 6473f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz instrumentation::Instrumentation::kDexPcMoved | 6483f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz instrumentation::Instrumentation::kFieldRead | 6493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz instrumentation::Instrumentation::kFieldWritten | 6503f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz instrumentation::Instrumentation::kExceptionCaught; 6513f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 652a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::GoActive() { 653a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Enable all debugging features, including scans for breakpoints. 654a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // This is a no-op if we're already active. 655a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Only called from the JDWP handler thread. 656a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (gDebuggerActive) { 657a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 658a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 659a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 660c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes { 661c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes // TODO: dalvik only warned if there were breakpoints left over. clear in Dbg::Disconnected? 66209bfc6a50bdc9366b13ac3ab479d9278c853d90ajeffhao MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 663c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes CHECK_EQ(gBreakpoints.size(), 0U); 664c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes } 665a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 666138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 6674d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 6684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(deoptimization_requests_.size(), 0U); 6694d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz CHECK_EQ(full_deoptimization_event_count_, 0U); 6707ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz CHECK_EQ(delayed_full_undeoptimization_count_, 0U); 671138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 672138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 67362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 67462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 67562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 67662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 67762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_NE(old_state, kRunnable); 678138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetInstrumentation()->EnableDeoptimization(); 6793f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz runtime->GetInstrumentation()->AddListener(&gDebugInstrumentationListener, kListenerEvents); 680a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes gDebuggerActive = true; 68162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 68262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 68362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers 68462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers LOG(INFO) << "Debugger is active"; 685872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 686872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 687872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::Disconnected() { 688234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes CHECK(gDebuggerConnected); 689234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 690c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes LOG(INFO) << "Debugger is no longer active"; 691234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes 69262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // Suspend all threads and exclusively acquire the mutator lock. Set the state of the thread 69362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // to kRunnable to avoid scoped object access transitions. Remove the debugger as a listener 69462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers // and clear the object registry. 69562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Runtime* runtime = Runtime::Current(); 69662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->SuspendAll(); 69762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers Thread* self = Thread::Current(); 69862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThreadState old_state = self->SetStateUnsafe(kRunnable); 699aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz 700aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Debugger may not be active at this point. 701aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz if (gDebuggerActive) { 702aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz { 703aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // Since we're going to disable deoptimization, we clear the deoptimization requests queue. 704aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // This prevents us from having any pending deoptimization request when the debugger attaches 705aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz // to us again while no event has been requested yet. 7064d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 7074d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 7084d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz full_deoptimization_event_count_ = 0U; 7097ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz delayed_full_undeoptimization_count_ = 0U; 710aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 7113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz runtime->GetInstrumentation()->RemoveListener(&gDebugInstrumentationListener, kListenerEvents); 712aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz runtime->GetInstrumentation()->DisableDeoptimization(); 713aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz gDebuggerActive = false; 714aaea7343831b64f4351c9abc7493ec062adfaf53Sebastien Hertz } 715234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gRegistry->Clear(); 716234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes gDebuggerConnected = false; 71762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 71862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers runtime->GetThreadList()->ResumeAll(); 719872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 720872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 721c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsDebuggerActive() { 7223bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gDebuggerActive; 723872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 724872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 725c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughesbool Dbg::IsJdwpConfigured() { 7263bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes return gJdwpConfigured; 727872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 728872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 729872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesint64_t Dbg::LastDebuggerActivity() { 730ca9515205010099d006ac2fac244348a1e673dcbElliott Hughes return gJdwpState->LastDebuggerActivity(); 731872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 732872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 733872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::UndoDebuggerSuspensions() { 734234ab15b00f8120282d1833e5d7480eca2e35a29Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 735872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 736872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 73788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetClassName(JDWP::RefTypeId class_id) { 7382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(class_id); 7393d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (o == NULL) { 740436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return "NULL"; 7417b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 74264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 74388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return StringPrintf("invalid object %p", reinterpret_cast<void*>(class_id)); 7443d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7453d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (!o->IsClass()) { 7467934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return StringPrintf("non-class %p", o); // This is only used for debugging output anyway. 7473d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 748436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return DescriptorToName(ClassHelper(o->AsClass()).GetDescriptor()); 7493d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes} 7503d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 75188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassObject(JDWP::RefTypeId id, JDWP::ObjectId& class_object_id) { 752436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 7532dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 754436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 755436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 7562435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 75788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes class_object_id = gRegistry->Add(c); 758436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 7598696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 7608696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 76188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSuperclass(JDWP::RefTypeId id, JDWP::RefTypeId& superclass_id) { 7623d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 7632dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 7643d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c == NULL) { 7653d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 7663d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7673d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (c->IsInterface()) { 7683d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes // http://code.google.com/p/android/issues/detail?id=20856 76988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = 0; 7703d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } else { 77188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes superclass_id = gRegistry->Add(c->GetSuperClass()); 7723d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 7733d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 774872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 775872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 776436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetClassLoader(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 7772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 77864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 779436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 780436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 781436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(o->GetClass()->GetClassLoader())); 782436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 783872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 784872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 785436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott HughesJDWP::JdwpError Dbg::GetModifiers(JDWP::RefTypeId id, JDWP::ExpandBuf* pReply) { 786436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 7872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(id, status); 788436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 789436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 7907b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 791436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 792436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes uint32_t access_flags = c->GetAccessFlags() & kAccJavaFlagsMask; 793436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 794de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // Set ACC_SUPER. Dex files don't contain this flag but only classes are supposed to have it set, 795de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban // not interfaces. 796436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes // Class.getModifiers doesn't return it, but JDWP does, so we set it here. 797de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban if ((access_flags & kAccInterface) == 0) { 798de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban access_flags |= kAccSuper; 799de34eea060edb4eb34d6ecd840e6e1c4c6489642Yevgeny Rouban } 800436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 801436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes expandBufAdd4BE(pReply, access_flags); 802436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 803436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 804872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 805872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 806f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott HughesJDWP::JdwpError Dbg::GetMonitorInfo(JDWP::ObjectId object_id, JDWP::ExpandBuf* reply) 807f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 8082dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 80964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 810f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 811f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 812f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 813f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes // Ensure all threads are suspended while we read objects' lock words. 814f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes Thread* self = Thread::Current(); 8155426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 8165426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromRunnableToSuspended(kSuspended); 8175426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->SuspendAll(); 818f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 819f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes MonitorInfo monitor_info(o); 820f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 8215426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz Runtime::Current()->GetThreadList()->ResumeAll(); 8225426324ea7a4c334cde1fdc4b8aae39f8a8e362dSebastien Hertz self->TransitionFromSuspendedToRunnable(); 823f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 824d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers if (monitor_info.owner_ != NULL) { 825d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.owner_->GetPeer())); 826f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else { 827f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes expandBufAddObjectId(reply, gRegistry->Add(NULL)); 828f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 829d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.entry_count_); 830d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAdd4BE(reply, monitor_info.waiters_.size()); 831d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers for (size_t i = 0; i < monitor_info.waiters_.size(); ++i) { 832d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers expandBufAddObjectId(reply, gRegistry->Add(monitor_info.waiters_[i]->GetPeer())); 833f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } 834f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes return JDWP::ERR_NONE; 835f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes} 836f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes 837734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott HughesJDWP::JdwpError Dbg::GetOwnedMonitors(JDWP::ObjectId thread_id, 838734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<JDWP::ObjectId>& monitors, 83952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz std::vector<uint32_t>& stack_depths) { 8404993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 8414993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 8424993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Thread* thread; 8434993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 8444993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (error != JDWP::ERR_NONE) { 8454993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return error; 8464993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8474993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 8484993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 8494993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8504993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8514993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes struct OwnedMonitorVisitor : public StackVisitor { 8527a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor(Thread* thread, Context* context) 8534993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 8547a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), current_stack_depth(0) {} 8554993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8564993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 8574993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes // annotalysis. 8584993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 8594993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes if (!GetMethod()->IsRuntimeMethod()) { 8604993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes Monitor::VisitLocks(this, AppendOwnedMonitors, this); 861734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes ++current_stack_depth; 8624993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8634993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return true; 8644993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8654993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8662dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static void AppendOwnedMonitors(mirror::Object* owned_monitor, void* arg) { 8677a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor* visitor = reinterpret_cast<OwnedMonitorVisitor*>(arg); 868734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes visitor->monitors.push_back(owned_monitor); 869734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes visitor->stack_depths.push_back(visitor->current_stack_depth); 8704993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8714993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 872734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes size_t current_stack_depth; 8732dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> monitors; 874734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes std::vector<uint32_t> stack_depths; 8754993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes }; 8767a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers UniquePtr<Context> context(Context::Create()); 8777a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers OwnedMonitorVisitor visitor(thread, context.get()); 8784993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes visitor.WalkStack(); 8794993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8804993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes for (size_t i = 0; i < visitor.monitors.size(); ++i) { 8814993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes monitors.push_back(gRegistry->Add(visitor.monitors[i])); 882734b8c62cc637c25f4c2481ca6a48adbd7209c6cElliott Hughes stack_depths.push_back(visitor.stack_depths[i]); 8834993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes } 8844993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 8854993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes return JDWP::ERR_NONE; 8864993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes} 8874993bbc8eda377804e585efd918f8ab9d9eab7d4Elliott Hughes 88852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetContendedMonitor(JDWP::ObjectId thread_id, 88952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId& contended_monitor) { 890f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccessUnchecked soa(Thread::Current()); 891f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 892f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 893f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 894f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 895f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 896f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 897f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 898f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 899f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 900f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 901f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes contended_monitor = gRegistry->Add(Monitor::GetContendedMonitor(thread)); 902f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 903f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 904f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 905f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 906ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott HughesJDWP::JdwpError Dbg::GetInstanceCounts(const std::vector<JDWP::RefTypeId>& class_ids, 907ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes std::vector<uint64_t>& counts) 908ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 909412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 910412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 912ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.clear(); 913ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes for (size_t i = 0; i < class_ids.size(); ++i) { 914ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes JDWP::JdwpError status; 9152dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_ids[i], status); 916ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes if (c == NULL) { 917ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return status; 918ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 919ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes classes.push_back(c); 920ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes counts.push_back(0); 921ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes } 922412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CountInstances(classes, false, &counts[0]); 923ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes return JDWP::ERR_NONE; 924ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes} 925ec0f83d95e2174c97e93279ffa71642be7e12b60Elliott Hughes 9263b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott HughesJDWP::JdwpError Dbg::GetInstances(JDWP::RefTypeId class_id, int32_t max_count, std::vector<JDWP::ObjectId>& instances) 9273b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 928412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 929412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier // We only want reachable instances, so do a GC. 930412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9313b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes JDWP::JdwpError status; 9322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 933412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (c == nullptr) { 9343b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return status; 9353b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 9362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 9373b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes Runtime::Current()->GetHeap()->GetInstances(c, max_count, raw_instances); 9383b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 9393b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes instances.push_back(gRegistry->Add(raw_instances[i])); 9403b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes } 9413b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes return JDWP::ERR_NONE; 9423b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes} 9433b78c949ab839d21454bc6f18c7640d2ae8c22f3Elliott Hughes 9440cbaff584244ee767027aff35cd3c625aaee2994Elliott HughesJDWP::JdwpError Dbg::GetReferringObjects(JDWP::ObjectId object_id, int32_t max_count, 9450cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes std::vector<JDWP::ObjectId>& referring_objects) 9460cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 947412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 948412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->CollectGarbage(false); 9492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 95064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 9510cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 9520cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 9532dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Object*> raw_instances; 954412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier heap->GetReferringObjects(o, max_count, raw_instances); 9550cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes for (size_t i = 0; i < raw_instances.size(); ++i) { 9560cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes referring_objects.push_back(gRegistry->Add(raw_instances[i])); 9570cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes } 9580cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes return JDWP::ERR_NONE; 9590cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes} 9600cbaff584244ee767027aff35cd3c625aaee2994Elliott Hughes 96164f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::DisableCollection(JDWP::ObjectId object_id) 96264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 963e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 964e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 965e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 966e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 96764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisableCollection(object_id); 96864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 96964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 97064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 97164f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::EnableCollection(JDWP::ObjectId object_id) 97264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 973e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 974e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // Unlike DisableCollection, JDWP specs do not state an invalid object causes an error. The RI 975e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // also ignores these cases and never return an error. However it's not obvious why this command 976e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // should behave differently from DisableCollection and IsCollected commands. So let's be more 977e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // strict and return an error if this happens. 978e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 979e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 980e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 98164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->EnableCollection(object_id); 98264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 98364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 98464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 98564f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::IsCollected(JDWP::ObjectId object_id, bool& is_collected) 98664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 98765637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz if (object_id == 0) { 98865637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // Null object id is invalid. 98965637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz return JDWP::ERR_INVALID_OBJECT; 99065637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } 991e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz // JDWP specs state an INVALID_OBJECT error is returned if the object ID is not valid. However 99265637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz // the RI seems to ignore this and assume object has been collected. 99365637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 994e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz if (o == NULL || o == ObjectRegistry::kInvalidObject) { 99565637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = true; 99665637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz } else { 99765637ebbb3c5bdf3f287a76df29a0340c10414c8Sebastien Hertz is_collected = gRegistry->IsCollected(object_id); 998e96060aa2483529d087031f7cdcc0405f1ef9218Sebastien Hertz } 99964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes return JDWP::ERR_NONE; 100064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 100164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 100264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughesvoid Dbg::DisposeObject(JDWP::ObjectId object_id, uint32_t reference_count) 100364f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 100464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes gRegistry->DisposeObject(object_id, reference_count); 100564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes} 100664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes 10074d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertzstatic JDWP::JdwpTypeTag GetTypeTag(mirror::Class* klass) 10084d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 10094d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz DCHECK(klass != nullptr); 10104d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz if (klass->IsArrayClass()) { 10114d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_ARRAY; 10124d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else if (klass->IsInterface()) { 10134d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_INTERFACE; 10144d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } else { 10154d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz return JDWP::TT_CLASS; 10164d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz } 10174d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz} 10184d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz 101988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetReflectedType(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1020436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 10212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1022436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1023436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 10247b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1025436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 10264d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(c); 10274d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz expandBufAdd1(pReply, type_tag); 102888d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes expandBufAddRefTypeId(pReply, class_id); 1029436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1030872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1031872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 10327b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughesvoid Dbg::GetClassList(std::vector<JDWP::RefTypeId>& classes) { 1033a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Get the complete list of reference classes (i.e. all classes except 1034a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // the primitive types). 1035a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Returns a newly-allocated buffer full of RefTypeId values. 1036a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes struct ClassListCreator { 1037ba8eee10607a524f43b55a6f33c13924fb16d435Elliott Hughes explicit ClassListCreator(std::vector<JDWP::RefTypeId>& classes) : classes(classes) { 10387b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 10397b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 10402dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers static bool Visit(mirror::Class* c, void* arg) { 1041a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return reinterpret_cast<ClassListCreator*>(arg)->Visit(c); 1042a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1043a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 104464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 104564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 104664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool Visit(mirror::Class* c) NO_THREAD_SAFETY_ANALYSIS { 1047a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (!c->IsPrimitive()) { 104864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes classes.push_back(gRegistry->AddRefType(c)); 1049a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1050a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return true; 1051a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1052a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 10537b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes std::vector<JDWP::RefTypeId>& classes; 1054a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 1055a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 10567b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes ClassListCreator clc(classes); 1057a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Runtime::Current()->GetClassLinker()->VisitClasses(ClassListCreator::Visit, &clc); 1058872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1059872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 106088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetClassInfo(JDWP::RefTypeId class_id, JDWP::JdwpTypeTag* pTypeTag, uint32_t* pStatus, std::string* pDescriptor) { 1061436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 10622dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1063436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1064436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 10657b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 10667b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes 1067a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 1068a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 1069a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = JDWP::TT_ARRAY; 1070a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1071a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsErroneous()) { 1072a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_ERROR; 1073a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 1074a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pStatus = JDWP::CS_VERIFIED | JDWP::CS_PREPARED | JDWP::CS_INITIALIZED; 1075a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1076a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes *pTypeTag = c->IsInterface() ? JDWP::TT_INTERFACE : JDWP::TT_CLASS; 1077a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1078a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 1079a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (pDescriptor != NULL) { 1080dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers *pDescriptor = ClassHelper(c).GetDescriptor(); 1081a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1082436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1083872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1084872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1085c3b77c7c2971124cbf3b2d9da64e7a8a9a649f2eElliott Hughesvoid Dbg::FindLoadedClassBySignature(const char* descriptor, std::vector<JDWP::RefTypeId>& ids) { 10862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers std::vector<mirror::Class*> classes; 10876fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes Runtime::Current()->GetClassLinker()->LookupClasses(descriptor, classes); 10886fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.clear(); 10896fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes for (size_t i = 0; i < classes.size(); ++i) { 10906fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes ids.push_back(gRegistry->Add(classes[i])); 10916fa602d614d418f38afebb4d44f42e7dc0b4bd94Elliott Hughes } 1092872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1093872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 109464f574f474aa77c72778640ab21f8cfa72546812Elliott HughesJDWP::JdwpError Dbg::GetReferenceType(JDWP::ObjectId object_id, JDWP::ExpandBuf* pReply) 109564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 10962dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 109764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == NULL || o == ObjectRegistry::kInvalidObject) { 10982435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 10992435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 11002435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11014d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag type_tag = GetTypeTag(o->GetClass()); 110264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId type_id = gRegistry->AddRefType(o->GetClass()); 11032435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11042435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd1(pReply, type_tag); 11052435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAddRefTypeId(pReply, type_id); 11062435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 11072435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1108872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1109872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1110fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan RogersJDWP::JdwpError Dbg::GetSignature(JDWP::RefTypeId class_id, std::string* signature) { 11111fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes JDWP::JdwpError status; 11122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 11131fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes if (c == NULL) { 11141fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return status; 11157b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1116dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers *signature = ClassHelper(c).GetDescriptor(); 11171fe7afb88498d48d1f808ee31e986324f2a1c842Elliott Hughes return JDWP::ERR_NONE; 1118872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1119872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 112088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetSourceFile(JDWP::RefTypeId class_id, std::string& result) { 1121436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 11222dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1123436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1124436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 11257b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1126b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz if (c->IsProxyClass()) { 1127b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz return JDWP::ERR_ABSENT_INFORMATION; 1128b7054baf28d4d652fbd98a94b089344a31898d53Sebastien Hertz } 1129436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes result = ClassHelper(c).GetSourceFile(); 1130436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1131872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1132872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 113388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetObjectTag(JDWP::ObjectId object_id, uint8_t& tag) { 11349837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 11352dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 113664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1137546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1138546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 11399837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag = TagFromObject(soa, o); 1140546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes return JDWP::ERR_NONE; 1141872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1142872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1143aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughessize_t Dbg::GetTagWidth(JDWP::JdwpTag tag) { 1144dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes switch (tag) { 1145dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_VOID: 1146dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 0; 1147dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BYTE: 1148dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_BOOLEAN: 1149dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 1; 1150dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CHAR: 1151dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_SHORT: 1152dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 2; 1153dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_FLOAT: 1154dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_INT: 1155dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 4; 1156dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_ARRAY: 1157dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_OBJECT: 1158dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_STRING: 1159dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD: 1160dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_THREAD_GROUP: 1161dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_LOADER: 1162dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_CLASS_OBJECT: 1163dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return sizeof(JDWP::ObjectId); 1164dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_DOUBLE: 1165dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes case JDWP::JT_LONG: 1166dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return 8; 1167dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes default: 11683d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes LOG(FATAL) << "Unknown tag " << tag; 1169dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes return -1; 1170dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1171872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1172872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 117388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetArrayLength(JDWP::ObjectId array_id, int& length) { 11743d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 11752dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 11763d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes if (a == NULL) { 11773d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 117824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 11793d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes length = a->GetLength(); 11803d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1181872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1182872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 118388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputArray(JDWP::ObjectId array_id, int offset, int count, JDWP::ExpandBuf* pReply) { 11843d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 11852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Array* a = DecodeArray(array_id, status); 11869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers if (a == nullptr) { 11873d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 11883d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 118924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 119024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (offset < 0 || count < 0 || offset > a->GetLength() || a->GetLength() - offset < count) { 119124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 11923d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 119324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 11946d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers std::string descriptor(ClassHelper(a->GetClass()).GetDescriptor()); 119524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor.c_str() + 1); 119624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 11973d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd1(pReply, tag); 11983d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes expandBufAdd4BE(pReply, count); 11993d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 120024437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (IsPrimitiveTag(tag)) { 120124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes size_t width = GetTagWidth(tag); 120224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes uint8_t* dst = expandBufAddSpace(pReply, count * width); 120324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes if (width == 8) { 1204ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint64_t* src8 = reinterpret_cast<uint64_t*>(a->GetRawData(sizeof(uint64_t), 0)); 120524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write8BE(&dst, src8[offset + i]); 120624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 4) { 1207ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint32_t* src4 = reinterpret_cast<uint32_t*>(a->GetRawData(sizeof(uint32_t), 0)); 120824437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write4BE(&dst, src4[offset + i]); 120924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else if (width == 2) { 1210ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint16_t* src2 = reinterpret_cast<uint16_t*>(a->GetRawData(sizeof(uint16_t), 0)); 121124437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) JDWP::Write2BE(&dst, src2[offset + i]); 121224437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 1213ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const uint8_t* src = reinterpret_cast<uint8_t*>(a->GetRawData(sizeof(uint8_t), 0)); 121424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes memcpy(dst, &src[offset * width], count * width); 121524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 121624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } else { 12179837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 12182dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* oa = a->AsObjectArray<mirror::Object>(); 121924437995cdac88b42e42b16d9aa121e833330999Elliott Hughes for (int i = 0; i < count; ++i) { 12202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* element = oa->Get(offset + i); 12219837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag specific_tag = (element != nullptr) ? TagFromObject(soa, element) 12229837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : tag; 122324437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAdd1(pReply, specific_tag); 122424437995cdac88b42e42b16d9aa121e833330999Elliott Hughes expandBufAddObjectId(pReply, gRegistry->Add(element)); 122524437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 122624437995cdac88b42e42b16d9aa121e833330999Elliott Hughes } 122724437995cdac88b42e42b16d9aa121e833330999Elliott Hughes 12283d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1229872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1230872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1231ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogerstemplate <typename T> 1232ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersstatic void CopyArrayData(mirror::Array* a, JDWP::Request& src, int offset, int count) 1233ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers NO_THREAD_SAFETY_ANALYSIS { 1234ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // TODO: fix when annotalysis correctly handles non-member functions. 12354b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes DCHECK(a->GetClass()->IsPrimitiveArray()); 12364b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 1237ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers T* dst = reinterpret_cast<T*>(a->GetRawData(sizeof(T), offset)); 12384b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes for (int i = 0; i < count; ++i) { 12394b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes *dst++ = src.ReadValue(sizeof(T)); 12404b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes } 12414b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes} 12424b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 124388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetArrayElements(JDWP::ObjectId array_id, int offset, int count, 12444b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::Request& request) 1245b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 12463d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes JDWP::JdwpError status; 12474b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::Array* dst = DecodeArray(array_id, status); 12484b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (dst == NULL) { 12493d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return status; 12503d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 1251f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 12524b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (offset < 0 || count < 0 || offset > dst->GetLength() || dst->GetLength() - offset < count) { 1253f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes LOG(WARNING) << __FUNCTION__ << " access out of bounds: offset=" << offset << "; count=" << count; 12543d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_LENGTH; 1255f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 12561d66e88ea74f7d85f75db7f145fe955d5f0f6872nikolay serdjuk ClassHelper ch(dst->GetClass()); 12571d66e88ea74f7d85f75db7f145fe955d5f0f6872nikolay serdjuk const char* descriptor = ch.GetDescriptor(); 1258fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(descriptor + 1); 1259f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 1260f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (IsPrimitiveTag(tag)) { 1261f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes size_t width = GetTagWidth(tag); 1262f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes if (width == 8) { 12634b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint64_t>(dst, request, offset, count); 1264f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 4) { 12654b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint32_t>(dst, request, offset, count); 1266f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else if (width == 2) { 12674b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint16_t>(dst, request, offset, count); 1268f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 12694b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes CopyArrayData<uint8_t>(dst, request, offset, count); 1270f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1271f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } else { 12724b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes mirror::ObjectArray<mirror::Object>* oa = dst->AsObjectArray<mirror::Object>(); 1273f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes for (int i = 0; i < count; ++i) { 12744b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes JDWP::ObjectId id = request.ReadObjectId(); 12752dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(id); 127664f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 1277436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 1278436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes } 1279d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz oa->Set<false>(offset + i, o); 1280f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1281f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes } 1282f03b8f66511a2d8cb78d306f36feb51392232a5eElliott Hughes 12833d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1284872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1285872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 12867b3cdfcca472b779cf8745fb8460935e56229f11Elliott HughesJDWP::ObjectId Dbg::CreateString(const std::string& str) { 12872dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers return gRegistry->Add(mirror::String::AllocFromModifiedUtf8(Thread::Current(), str.c_str())); 1288872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1289872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 129088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateObject(JDWP::RefTypeId class_id, JDWP::ObjectId& new_object) { 1291436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 12922dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1293436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1294436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 12957b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 129650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers new_object = gRegistry->Add(c->AllocObject(Thread::Current())); 1297436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1298872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1299872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1300bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes/* 1301bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes * Used by Eclipse's "Display" view to evaluate "new byte[5]" to get "(byte[]) [0, 0, 0, 0, 0]". 1302bf13d36a25ec0a217fc4440c38b03d10f6c7f642Elliott Hughes */ 130388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::CreateArrayObject(JDWP::RefTypeId array_class_id, uint32_t length, 130400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId& new_array) { 1305436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(array_class_id, status); 1307436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1308436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 13097b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 13106fac447555dc94a935b78198479cce645c837b89Ian Rogers new_array = gRegistry->Add(mirror::Array::Alloc<true>(Thread::Current(), c, length, 13116fac447555dc94a935b78198479cce645c837b89Ian Rogers c->GetComponentSize(), 13126fac447555dc94a935b78198479cce645c837b89Ian Rogers Runtime::Current()->GetHeap()->GetCurrentAllocator())); 1313436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1314872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1315872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 131688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesbool Dbg::MatchType(JDWP::RefTypeId instance_class_id, JDWP::RefTypeId class_id) { 1317436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 13182dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c1 = DecodeClass(instance_class_id, status); 1319a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c1 != NULL); 13202dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c2 = DecodeClass(class_id, status); 1321a656a0f6fbcf2ba3f15cae54a773b9c636dd32c1Elliott Hughes CHECK(c2 != NULL); 1322123756a041baf8421ed933312605daa5ef082f6fSebastien Hertz return c2->IsAssignableFrom(c1); 1323872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1324872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1325ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::FieldId ToFieldId(const mirror::ArtField* f) 1326b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1327590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 132803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::FieldId>(reinterpret_cast<uintptr_t>(f)); 132903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 133003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1331ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic JDWP::MethodId ToMethodId(const mirror::ArtMethod* m) 1332b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1333590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 133403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes return static_cast<JDWP::MethodId>(reinterpret_cast<uintptr_t>(m)); 133503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 133603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1337ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtField* FromFieldId(JDWP::FieldId fid) 1338b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1339590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingFields); 1340ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtField*>(static_cast<uintptr_t>(fid)); 1341aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes} 1342aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1343ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic mirror::ArtMethod* FromMethodId(JDWP::MethodId mid) 1344b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1345590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier CHECK(!kMovingMethods); 1346ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom return reinterpret_cast<mirror::ArtMethod*>(static_cast<uintptr_t>(mid)); 134703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes} 134803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1349ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic void SetLocation(JDWP::JdwpLocation& location, mirror::ArtMethod* m, uint32_t dex_pc) 1350b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 135191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (m == NULL) { 135291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes memset(&location, 0, sizeof(location)); 135391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } else { 13542dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = m->GetDeclaringClass(); 13554d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz location.type_tag = GetTypeTag(c); 1356cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.class_id = gRegistry->AddRefType(c); 1357748474146da0c6484fa3dca0a700f612d47550c3Elliott Hughes location.method_id = ToMethodId(m); 1358cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz location.dex_pc = (m->IsNative() || m->IsProxyMethod()) ? static_cast<uint64_t>(-1) : dex_pc; 135991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 1360d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes} 1361d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 1362a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetMethodName(JDWP::MethodId method_id) 1363b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1364ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 13656d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers return MethodHelper(m).GetName(); 1366872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1367872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1368a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughesstd::string Dbg::GetFieldName(JDWP::FieldId field_id) 1369a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1370ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 1371a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes return FieldHelper(f).GetName(); 1372a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes} 1373a96836a4115ad08762567c10bd4d198c5b644985Elliott Hughes 1374a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes/* 1375a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * Augment the access flags for synthetic methods and fields by setting 1376a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * the (as described by the spec) "0xf0000000 bit". Also, strip out any 1377a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes * flags not specified by the Java programming language. 1378a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes */ 1379a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughesstatic uint32_t MangleAccessFlags(uint32_t accessFlags) { 1380a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags &= kAccJavaFlagsMask; 1381a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes if ((accessFlags & kAccSynthetic) != 0) { 1382a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes accessFlags |= 0xf0000000; 1383a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1384a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return accessFlags; 1385872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1386872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1387dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes/* 1388b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come first. Debuggers 1389b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * expect slots to begin with arguments, but dex code places them at 1390b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * the end. 1391dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes */ 1392b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Haostatic uint16_t MangleSlot(uint16_t slot, mirror::ArtMethod* m) 1393b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1394b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao const DexFile::CodeItem* code_item = MethodHelper(m).GetCodeItem(); 1395cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1396cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1397cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1398cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to mangle slot for method without code " << PrettyMethod(m); 1399cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1400cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1401b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1402b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1403b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot >= locals_size) { 1404b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - locals_size; 1405b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1406b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + ins_size; 1407dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1408dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1409dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1410b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao/* 1411b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * Circularly shifts registers so that arguments come last. Reverts 1412b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao * slots to dex style argument placement. 1413b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao */ 1414ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromstatic uint16_t DemangleSlot(uint16_t slot, mirror::ArtMethod* m) 1415b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1416b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao const DexFile::CodeItem* code_item = MethodHelper(m).GetCodeItem(); 1417cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1418cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We should not get here for a method without code (native, proxy or abstract). Log it and 1419cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // return the slot as is since all registers are arguments. 1420cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz LOG(WARNING) << "Trying to demangle slot for method without code " << PrettyMethod(m); 1421cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return slot; 1422cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1423b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t ins_size = code_item->ins_size_; 1424b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao uint16_t locals_size = code_item->registers_size_ - ins_size; 1425b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao if (slot < ins_size) { 1426b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot + locals_size; 1427b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao } else { 1428b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao return slot - ins_size; 1429dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1430dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes} 1431dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 143288d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredFields(JDWP::RefTypeId class_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1433436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1435436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1436436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14377b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1438a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1439a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t instance_field_count = c->NumInstanceFields(); 1440a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t static_field_count = c->NumStaticFields(); 1441a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1442a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, instance_field_count + static_field_count); 1443a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1444a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < instance_field_count + static_field_count; ++i) { 1445ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = (i < instance_field_count) ? c->GetInstanceField(i) : c->GetStaticField(i - instance_field_count); 14466d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers FieldHelper fh(f); 1447a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddFieldId(pReply, ToFieldId(f)); 14486d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, fh.GetName()); 14496d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, fh.GetTypeDescriptor()); 1450c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1451a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1452a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1453a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1454a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(f->GetAccessFlags())); 1455a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1456436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1457a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1458a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 145988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredMethods(JDWP::RefTypeId class_id, bool with_generic, 146000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 1461436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14622dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1463436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1464436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14657b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1466a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1467a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t direct_method_count = c->NumDirectMethods(); 1468a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t virtual_method_count = c->NumVirtualMethods(); 1469a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1470a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, direct_method_count + virtual_method_count); 1471a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 1472a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < direct_method_count + virtual_method_count; ++i) { 1473ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = (i < direct_method_count) ? c->GetDirectMethod(i) : c->GetVirtualMethod(i - direct_method_count); 14746d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1475a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddMethodId(pReply, ToMethodId(m)); 14766d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers expandBufAddUtf8String(pReply, mh.GetName()); 1477d91d6d6a80748f277fd938a412211e5af28913b1Ian Rogers expandBufAddUtf8String(pReply, mh.GetSignature().ToString()); 1478c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (with_generic) { 1479a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes static const char genericSignature[1] = ""; 1480a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAddUtf8String(pReply, genericSignature); 1481a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1482a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, MangleAccessFlags(m->GetAccessFlags())); 1483a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1484436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1485a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes} 1486a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes 148788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::OutputDeclaredInterfaces(JDWP::RefTypeId class_id, JDWP::ExpandBuf* pReply) { 1488436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes JDWP::JdwpError status; 14892dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 1490436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes if (c == NULL) { 1491436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return status; 14927b3cdfcca472b779cf8745fb8460935e56229f11Elliott Hughes } 1493436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes 1494436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes ClassHelper kh(c); 1495d24e264ff85ad8c6f142ac6d33055fdc1881fa2fIan Rogers size_t interface_count = kh.NumDirectInterfaces(); 1496a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes expandBufAdd4BE(pReply, interface_count); 1497a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes for (size_t i = 0; i < interface_count; ++i) { 149864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes expandBufAddRefTypeId(pReply, gRegistry->AddRefType(kh.GetDirectInterface(i))); 1499a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1500436e372e1c2b8e0bde47408e7407b4c3590f5071Elliott Hughes return JDWP::ERR_NONE; 1501872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1502872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 150388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputLineTable(JDWP::RefTypeId, JDWP::MethodId method_id, JDWP::ExpandBuf* pReply) 1504b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 150503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes struct DebugCallbackContext { 150603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes int numItems; 150703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::ExpandBuf* pReply; 150803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 15092435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes static bool Callback(void* context, uint32_t address, uint32_t line_number) { 151003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 151103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pContext->pReply, address); 15122435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes expandBufAdd4BE(pContext->pReply, line_number); 151303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes pContext->numItems++; 1514f2910eef247b45ce1d489e323b36b5de6b6157aaSebastien Hertz return false; 151503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 151603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 1517ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 15186d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1519cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 152003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes uint64_t start, end; 1521cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item == nullptr) { 1522cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DCHECK(m->IsNative() || m->IsProxyMethod()); 152303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = -1; 152403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes end = -1; 152503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } else { 152603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes start = 0; 152714f0db92225d34622fa5cb1a6dc9287334aaf6c7jeffhao // Return the index of the last instruction 1528cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz end = code_item->insns_size_in_code_units_ - 1; 152903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 153003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 153103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, start); 153203181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd8BE(pReply, end); 153303181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 153403181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes // Add numLines later 153503181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes size_t numLinesOffset = expandBufGetLength(pReply); 153603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes expandBufAdd4BE(pReply, 0); 153703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 153803181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes DebugCallbackContext context; 153903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.numItems = 0; 154003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes context.pReply = pReply; 154103181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 1542cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1543cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 1544cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DebugCallbackContext::Callback, NULL, &context); 1545cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 154603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes 154703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + numLinesOffset, context.numItems); 1548872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1549872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 155088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesvoid Dbg::OutputVariableTable(JDWP::RefTypeId, JDWP::MethodId method_id, bool with_generic, JDWP::ExpandBuf* pReply) { 1551dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes struct DebugCallbackContext { 1552b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao mirror::ArtMethod* method; 1553dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes JDWP::ExpandBuf* pReply; 1554c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count; 1555c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes bool with_generic; 1556dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1557b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao static void Callback(void* context, uint16_t slot, uint32_t startAddress, uint32_t endAddress, const char* name, const char* descriptor, const char* signature) 1558b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1559dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext* pContext = reinterpret_cast<DebugCallbackContext*>(context); 1560dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1561b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff 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)); 1562dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1563b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao slot = MangleSlot(slot, pContext->method); 156468fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 1565dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd8BE(pContext->pReply, startAddress); 1566dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, name); 1567dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, descriptor); 1568c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes if (pContext->with_generic) { 1569dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAddUtf8String(pContext->pReply, signature); 1570dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1571dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, endAddress - startAddress); 1572dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pContext->pReply, slot); 1573dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1574c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes ++pContext->variable_count; 1575dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes } 1576dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes }; 1577ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 15786d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers MethodHelper mh(m); 1579dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1580c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // arg_count considers doubles and longs to take 2 units. 1581c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // variable_count considers everything to take 1 unit. 15826d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers std::string shorty(mh.GetShorty()); 1583ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom expandBufAdd4BE(pReply, mirror::ArtMethod::NumArgRegisters(shorty)); 1584dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1585c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes // We don't know the total number of variables yet, so leave a blank and update it later. 1586c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes size_t variable_count_offset = expandBufGetLength(pReply); 1587dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes expandBufAdd4BE(pReply, 0); 1588dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1589dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes DebugCallbackContext context; 1590b7cefc7f5cac99a62fd4e662c1bdeec750434e28Jeff Hao context.method = m; 1591dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes context.pReply = pReply; 1592c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.variable_count = 0; 1593c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes context.with_generic = with_generic; 1594dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1595cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 1596cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (code_item != nullptr) { 1597cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), NULL, 1598cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz DebugCallbackContext::Callback, &context); 1599cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 1600dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 1601c5b734a27a64c81590015dd12a7901c396818a99Elliott Hughes JDWP::Set4BE(expandBufGetBuffer(pReply) + variable_count_offset, context.variable_count); 1602872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1603872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1604579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputMethodReturnValue(JDWP::MethodId method_id, const JValue* return_value, 1605579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::ExpandBuf* pReply) { 1606579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::ArtMethod* m = FromMethodId(method_id); 1607579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JDWP::JdwpTag tag = BasicTagFromDescriptor(MethodHelper(m).GetShorty()); 1608579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao OutputJValue(tag, return_value, pReply); 1609579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1610579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 16113f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::OutputFieldValue(JDWP::FieldId field_id, const JValue* field_value, 16123f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ExpandBuf* pReply) { 16133f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::ArtField* f = FromFieldId(field_id); 16143f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 16153f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz OutputJValue(tag, field_value, pReply); 16163f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 16173f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 16189777ba230c83a0edcbda2cf7b208339e77bf171bElliott HughesJDWP::JdwpError Dbg::GetBytecodes(JDWP::RefTypeId, JDWP::MethodId method_id, 16199777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes std::vector<uint8_t>& bytecodes) 16209777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1621ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 16229777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes if (m == NULL) { 16239777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_INVALID_METHODID; 16249777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 16259777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes MethodHelper mh(m); 16269777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const DexFile::CodeItem* code_item = mh.GetCodeItem(); 16279777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes size_t byte_count = code_item->insns_size_in_code_units_ * 2; 16289777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* begin = reinterpret_cast<const uint8_t*>(code_item->insns_); 16299777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes const uint8_t* end = begin + byte_count; 16309777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes for (const uint8_t* p = begin; p != end; ++p) { 16319777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes bytecodes.push_back(*p); 16329777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes } 16339777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes return JDWP::ERR_NONE; 16349777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes} 16359777ba230c83a0edcbda2cf7b208339e77bf171bElliott Hughes 163688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetFieldBasicTag(JDWP::FieldId field_id) { 163788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return BasicTagFromDescriptor(FieldHelper(FromFieldId(field_id)).GetTypeDescriptor()); 1638872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1639872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 164088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpTag Dbg::GetStaticFieldBasicTag(JDWP::FieldId field_id) { 164188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return BasicTagFromDescriptor(FieldHelper(FromFieldId(field_id)).GetTypeDescriptor()); 1642872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1643872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 164488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError GetFieldValueImpl(JDWP::RefTypeId ref_type_id, JDWP::ObjectId object_id, 164588d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::FieldId field_id, JDWP::ExpandBuf* pReply, 164600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool is_static) 1647b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 16480cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes JDWP::JdwpError status; 16492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(ref_type_id, status); 165088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes if (ref_type_id != 0 && c == NULL) { 16510cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return status; 16520cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16530cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16542dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 165564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 16563f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 16573f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1658ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 16590cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16602dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* receiver_class = c; 16610cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class == NULL && o != NULL) { 16620cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes receiver_class = o->GetClass(); 16630cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16640cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we give up now if receiver_class is NULL? 16650cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (receiver_class != NULL && !f->GetDeclaringClass()->IsAssignableFrom(receiver_class)) { 16660cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(INFO) << "ERR_INVALID_FIELDID: " << PrettyField(f) << " " << PrettyClass(receiver_class); 16673f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 16683f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1669aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 16700cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 16710cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 16720cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 16730cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 16740cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 16750cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16760cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 16770cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 16780cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 16790cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16800cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 16810dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 16820dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 16830dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 16840cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 16856d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 1686579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao JValue field_value; 1687579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_VOID) { 1688579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao LOG(FATAL) << "Unknown tag: " << tag; 1689579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (!IsPrimitiveTag(tag)) { 1690579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetL(f->GetObject(o)); 1691579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1692579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetJ(f->Get64(o)); 1693aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 1694579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao field_value.SetI(f->Get32(o)); 1695aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1696579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::OutputJValue(tag, &field_value, pReply); 1697579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 16983f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_NONE; 1699872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1700872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 170188d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, 170200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ExpandBuf* pReply) { 170388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(0, object_id, field_id, pReply, false); 17043f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 17053f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 170688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::GetStaticFieldValue(JDWP::RefTypeId ref_type_id, JDWP::FieldId field_id, JDWP::ExpandBuf* pReply) { 170788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return GetFieldValueImpl(ref_type_id, 0, field_id, pReply, true); 17083f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes} 17093f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes 171088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstatic JDWP::JdwpError SetFieldValueImpl(JDWP::ObjectId object_id, JDWP::FieldId field_id, 171100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint64_t value, int width, bool is_static) 1712b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 17132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(object_id); 171464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if ((!is_static && o == NULL) || o == ObjectRegistry::kInvalidObject) { 17153f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 17163f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1717ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = FromFieldId(field_id); 17180cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes 17190cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // The RI only enforces the static/non-static mismatch in one direction. 17200cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes // TODO: should we change the tests and check both? 17210cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (is_static) { 17220cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (!f->IsStatic()) { 17230cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes return JDWP::ERR_INVALID_FIELDID; 17240cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17250cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } else { 17260cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes if (f->IsStatic()) { 17270cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes LOG(WARNING) << "Ignoring non-NULL receiver for ObjectReference.SetValues on static field " << PrettyField(f); 17280cf7433fd2a93b7f83e8b2ac91d0d1b4f0e7d0c9Elliott Hughes } 17293f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 17300dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (f->IsStatic()) { 17310dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao o = f->GetDeclaringClass(); 17320dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 1733aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 17346d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::JdwpTag tag = BasicTagFromDescriptor(FieldHelper(f).GetTypeDescriptor()); 1735aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes 1736aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (IsPrimitiveTag(tag)) { 1737aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 17381bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_EQ(width, 8); 1739d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1740d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set64<false>(o, value); 1741aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 17421bac54ffa933fbe9b92b62437577f2f4583eff1aElliott Hughes CHECK_LE(width, 4); 1743d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1744d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->Set32<false>(o, value); 1745aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 1746aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } else { 17472dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* v = gRegistry->Get<mirror::Object*>(value); 174864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (v == ObjectRegistry::kInvalidObject) { 17493d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_INVALID_OBJECT; 17503d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes } 17513f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (v != NULL) { 17522dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* field_type = FieldHelper(f).GetType(); 17533f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes if (!field_type->IsAssignableFrom(v->GetClass())) { 17543f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 17553f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 17563f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 1757d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Debugging can't use transactional mode (runtime only). 1758d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz f->SetObject<false>(o, v); 1759aed4be94da51b4fbb54c728151f0daf11535f6abElliott Hughes } 17603d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes 17613d1ca6de2ddf3d9e39755d629c896bfecd9640fdElliott Hughes return JDWP::ERR_NONE; 1762872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1763872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 176488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetFieldValue(JDWP::ObjectId object_id, JDWP::FieldId field_id, uint64_t value, 176500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int width) { 176688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(object_id, field_id, value, width, false); 1767872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1768872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 176988d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::SetStaticFieldValue(JDWP::FieldId field_id, uint64_t value, int width) { 177088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes return SetFieldValueImpl(0, field_id, value, width, true); 1771872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1772872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 177388d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::StringToUtf8(JDWP::ObjectId string_id) { 17742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = gRegistry->Get<mirror::String*>(string_id); 177568fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes return s->ToModifiedUtf8(); 1776872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1777872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1778579b02416e05e32e535126e1ed61613a2cdb030eJeff Haovoid Dbg::OutputJValue(JDWP::JdwpTag tag, const JValue* return_value, JDWP::ExpandBuf* pReply) { 1779579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (IsPrimitiveTag(tag)) { 1780579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, tag); 1781579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao if (tag == JDWP::JT_BOOLEAN || tag == JDWP::JT_BYTE) { 1782579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd1(pReply, return_value->GetI()); 1783579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_CHAR || tag == JDWP::JT_SHORT) { 1784579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd2BE(pReply, return_value->GetI()); 1785579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_FLOAT || tag == JDWP::JT_INT) { 1786579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd4BE(pReply, return_value->GetI()); 1787579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else if (tag == JDWP::JT_DOUBLE || tag == JDWP::JT_LONG) { 1788579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAdd8BE(pReply, return_value->GetJ()); 1789579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 1790579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao CHECK_EQ(tag, JDWP::JT_VOID); 1791579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1792579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } else { 17939837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1794579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao mirror::Object* value = return_value->GetL(); 17959837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers expandBufAdd1(pReply, TagFromObject(soa, value)); 1796579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao expandBufAddObjectId(pReply, gRegistry->Add(value)); 1797579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao } 1798579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao} 1799579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao 1800221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadName(JDWP::ObjectId thread_id, std::string& name) { 1801a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao ScopedObjectAccessUnchecked soa(Thread::Current()); 1802a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1803221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1804221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1805221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE && error != JDWP::ERR_THREAD_NOT_ALIVE) { 1806221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1807a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 1808221229cb523f849f165fdafbf9785010963715daElliott Hughes 1809221229cb523f849f165fdafbf9785010963715daElliott Hughes // We still need to report the zombie threads' names, so we can't just call Thread::GetThreadName. 18102dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 1811ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* java_lang_Thread_name_field = 18122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers soa.DecodeField(WellKnownClasses::java_lang_Thread_name); 18132dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = 18142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers reinterpret_cast<mirror::String*>(java_lang_Thread_name_field->GetObject(thread_object)); 1815221229cb523f849f165fdafbf9785010963715daElliott Hughes if (s != NULL) { 1816221229cb523f849f165fdafbf9785010963715daElliott Hughes name = s->ToModifiedUtf8(); 1817221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1818221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1819872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1820872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1821221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadGroup(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 182200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 18232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_object = gRegistry->Get<mirror::Object*>(thread_id); 182464f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread_object == ObjectRegistry::kInvalidObject) { 18252435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 18262435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 18279837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroup"); 18282435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Okay, so it's an object, but is it actually a thread? 182950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1830221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1831221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1832221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 1833221229cb523f849f165fdafbf9785010963715daElliott Hughes // Zombie threads are in the null group. 1834221229cb523f849f165fdafbf9785010963715daElliott Hughes expandBufAddObjectId(pReply, JDWP::ObjectId(0)); 183552d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz error = JDWP::ERR_NONE; 183652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz } else if (error == JDWP::ERR_NONE) { 183752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_Thread); 183852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(c != nullptr); 183952d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::ArtField* f = c->FindInstanceField("group", "Ljava/lang/ThreadGroup;"); 184052d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(f != NULL); 184152d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz mirror::Object* group = f->GetObject(thread_object); 184252d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz CHECK(group != NULL); 184352d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::ObjectId thread_group_id = gRegistry->Add(group); 184452d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz expandBufAddObjectId(pReply, thread_group_id); 18452435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 18469837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 184752d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz return error; 1848872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1849872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 185088d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughesstd::string Dbg::GetThreadGroupName(JDWP::ObjectId thread_group_id) { 185100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 18522dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 18539837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 18549837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupName"); 18559837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 18569837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1857ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("name", "Ljava/lang/String;"); 1858499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes CHECK(f != NULL); 18592dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::String* s = reinterpret_cast<mirror::String*>(f->GetObject(thread_group)); 18609837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 1861499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes return s->ToModifiedUtf8(); 1862872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1863872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 186488d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::ObjectId Dbg::GetThreadGroupParent(JDWP::ObjectId thread_group_id) { 18659837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 18662dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 18679837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(thread_group != nullptr); 18689837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const char* old_cause = soa.Self()->StartAssertNoThreadSuspension("Debugger: GetThreadGroupParent"); 18699837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* c = soa.Decode<mirror::Class*>(WellKnownClasses::java_lang_ThreadGroup); 18709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers CHECK(c != nullptr); 1871ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = c->FindInstanceField("parent", "Ljava/lang/ThreadGroup;"); 18724e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes CHECK(f != NULL); 18732dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* parent = f->GetObject(thread_group); 18749837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers soa.Self()->EndAssertNoThreadSuspension(old_cause); 18754e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return gRegistry->Add(parent); 1876872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1877872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1878872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetSystemThreadGroupId() { 187900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 1880ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_systemThreadGroup); 18812dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1882365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1883872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1884872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1885872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetMainThreadGroupId() { 188600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1887ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* f = soa.DecodeField(WellKnownClasses::java_lang_ThreadGroup_mainThreadGroup); 18882dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = f->GetObject(f->GetDeclaringClass()); 1889365c10235438607541fa2259a5fec48061b90bd8Ian Rogers return gRegistry->Add(group); 1890872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1891872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1892920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff HaoJDWP::JdwpThreadStatus Dbg::ToJdwpThreadStatus(ThreadState state) { 1893920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao switch (state) { 1894920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kBlocked: 1895920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_MONITOR; 1896920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kNative: 1897920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kRunnable: 1898920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSuspended: 1899920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_RUNNING; 1900920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kSleeping: 1901920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_SLEEPING; 1902920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kStarting: 1903920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTerminated: 1904920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 1905920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kTimedWaiting: 1906920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSend: 1907920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerSuspension: 1908920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForDebuggerToAttach: 1909138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz case kWaitingForDeoptimization: 1910920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForGcToComplete: 1911920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForCheckPointsToRun: 1912920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForJniOnLoad: 1913920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingForSignalCatcherOutput: 1914920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainDebuggerLoop: 1915920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingInMainSignalCatcherLoop: 1916920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaitingPerformingGc: 1917920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao case kWaiting: 1918920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_WAIT; 1919920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao // Don't add a 'default' here so the compiler can spot incompatible enum changes. 1920920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao } 1921920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao LOG(FATAL) << "Unknown thread state: " << state; 1922920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao return JDWP::TS_ZOMBIE; 1923920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao} 1924920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao 192552d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien HertzJDWP::JdwpError Dbg::GetThreadStatus(JDWP::ObjectId thread_id, JDWP::JdwpThreadStatus* pThreadStatus, 192652d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz JDWP::JdwpSuspendStatus* pSuspendStatus) { 192700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1928499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 19299e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_NOT_SUSPENDED; 19309e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes 193150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1932221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1933221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1934221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 1935221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error == JDWP::ERR_THREAD_NOT_ALIVE) { 1936221229cb523f849f165fdafbf9785010963715daElliott Hughes *pThreadStatus = JDWP::TS_ZOMBIE; 1937221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1938221229cb523f849f165fdafbf9785010963715daElliott Hughes } 1939221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 1940499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes } 1941499c5133d361e7c659fc38e5ccfeb1280a7996f5Elliott Hughes 19429e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (IsSuspendedForDebugger(soa, thread)) { 19439e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes *pSuspendStatus = JDWP::SUSPEND_STATUS_SUSPENDED; 19449e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes } 194500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 1946920af3e556c730a5fbdab90a6d0ec1a2dbe8940bJeff Hao *pThreadStatus = ToJdwpThreadStatus(thread->GetState()); 1947221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 1948872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1949872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1950221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadDebugSuspendCount(JDWP::ObjectId thread_id, JDWP::ExpandBuf* pReply) { 195100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 195250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1953221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 1954221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1955221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 1956221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 19572435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 195850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 195900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers expandBufAdd4BE(pReply, thread->GetDebugSuspendCount()); 19602435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 1961872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 1962872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 1963f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott HughesJDWP::JdwpError Dbg::Interrupt(JDWP::ObjectId thread_id) { 1964f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes ScopedObjectAccess soa(Thread::Current()); 1965f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 1966f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes Thread* thread; 1967f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 1968f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes if (error != JDWP::ERR_NONE) { 1969f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return error; 1970f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes } 1971dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers thread->Interrupt(soa.Self()); 1972f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes return JDWP::ERR_NONE; 1973f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes} 1974f9501700f51586cb6ba7cc0ffcb5a920bd64adf1Elliott Hughes 1975caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetThreads(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& thread_ids) { 1976365c10235438607541fa2259a5fec48061b90bd8Ian Rogers class ThreadListVisitor { 1977365c10235438607541fa2259a5fec48061b90bd8Ian Rogers public: 19782dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers ThreadListVisitor(const ScopedObjectAccessUnchecked& soa, mirror::Object* desired_thread_group, 197900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::vector<JDWP::ObjectId>& thread_ids) 1980b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 19810dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao : soa_(soa), desired_thread_group_(desired_thread_group), thread_ids_(thread_ids) {} 1982365c10235438607541fa2259a5fec48061b90bd8Ian Rogers 1983a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes static void Visit(Thread* t, void* arg) { 1984a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes reinterpret_cast<ThreadListVisitor*>(arg)->Visit(t); 1985a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1986a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 198700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 198800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 198900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void Visit(Thread* t) NO_THREAD_SAFETY_ANALYSIS { 1990a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (t == Dbg::GetDebugThread()) { 1991a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Skip the JDWP thread. Some debuggers get bent out of shape when they can't suspend and 1992a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // query all threads, so it's easier if we just don't tell them about this thread. 1993a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 1994a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 19952dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = t->GetPeer(); 19960dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (IsInDesiredThreadGroup(peer)) { 1997120f1c74a9768e958377b6c97897511b27ae58c8Ian Rogers thread_ids_.push_back(gRegistry->Add(peer)); 1998a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 1999a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 2000a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 2001365c10235438607541fa2259a5fec48061b90bd8Ian Rogers private: 20022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers bool IsInDesiredThreadGroup(mirror::Object* peer) 20030dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20040dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // peer might be NULL if the thread is still starting up. 20050dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao if (peer == NULL) { 20060dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // We can't tell the debugger about this thread yet. 20070dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // TODO: if we identified threads to the debugger by their Thread* 20082dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers // rather than their peer's mirror::Object*, we could fix this. 20090dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao // Doing so might help us report ZOMBIE threads too. 20100dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return false; 20110dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 2012c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao // Do we want threads from all thread groups? 2013c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao if (desired_thread_group_ == NULL) { 2014c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao return true; 2015c1e0490a2a0293fdfc5f654482339ccc71d9952bjeffhao } 20162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* group = soa_.DecodeField(WellKnownClasses::java_lang_Thread_group)->GetObject(peer); 20170dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao return (group == desired_thread_group_); 20180dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao } 20190dfbb7ead0b6da92911b4bc78114ff0f0f9b4129jeffhao 2020dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier const ScopedObjectAccessUnchecked& soa_; 20212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* const desired_thread_group_; 2022caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes std::vector<JDWP::ObjectId>& thread_ids_; 2023a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes }; 2024a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 202500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 20262dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 202700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ThreadListVisitor tlv(soa, thread_group, thread_ids); 202850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2029f8349361a16a4e2796efe9f3586b994e8d4834e4Elliott Hughes Runtime::Current()->GetThreadList()->ForEach(ThreadListVisitor::Visit, &tlv); 2030a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes} 2031a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 2032caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughesvoid Dbg::GetChildThreadGroups(JDWP::ObjectId thread_group_id, std::vector<JDWP::ObjectId>& child_thread_group_ids) { 203300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 20342dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread_group = gRegistry->Get<mirror::Object*>(thread_group_id); 2035caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2036caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the ArrayList<ThreadGroup> "groups" out of this thread group... 2037ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* groups_field = thread_group->GetClass()->FindInstanceField("groups", "Ljava/util/List;"); 20382dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* groups_array_list = groups_field->GetObject(thread_group); 2039872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2040caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Get the array and size out of the ArrayList<ThreadGroup>... 2041ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* array_field = groups_array_list->GetClass()->FindInstanceField("array", "[Ljava/lang/Object;"); 2042ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtField* size_field = groups_array_list->GetClass()->FindInstanceField("size", "I"); 20432dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::ObjectArray<mirror::Object>* groups_array = 20442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers array_field->GetObject(groups_array_list)->AsObjectArray<mirror::Object>(); 2045caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes const int32_t size = size_field->GetInt(groups_array_list); 2046caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes 2047caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes // Copy the first 'size' elements out of the array into the result. 2048caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes for (int32_t i = 0; i < size; ++i) { 2049caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes child_thread_group_ids.push_back(gRegistry->Add(groups_array->Get(i))); 2050caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes } 2051872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2052872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 205300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogersstatic int GetStackDepth(Thread* thread) 2054b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 20550399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct CountStackDepthVisitor : public StackVisitor { 205693ba893c20532990a430741e0a97212900094e8cBrian Carlstrom explicit CountStackDepthVisitor(Thread* thread) 20577a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth(0) {} 20580399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 205964f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 206064f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes // annotalysis. 206164f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 20620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!GetMethod()->IsRuntimeMethod()) { 2063f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes ++depth; 2064f8a2df7bbf1021058bc13d1f806a7fec3c89ee62Elliott Hughes } 2065530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 2066a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes } 2067a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes size_t depth; 2068a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes }; 206908fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes 20707a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers CountStackDepthVisitor visitor(thread); 20710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2072a2e54f61453a2072181d5dd7aa2d5e845f5b53f6Elliott Hughes return visitor.depth; 2073872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2074872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2075221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::GetThreadFrameCount(JDWP::ObjectId thread_id, size_t& result) { 207600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 2077a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2078221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2079221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2080221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2081221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2082221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2083f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2084f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2085f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 2086221229cb523f849f165fdafbf9785010963715daElliott Hughes result = GetStackDepth(thread); 2087221229cb523f849f165fdafbf9785010963715daElliott Hughes return JDWP::ERR_NONE; 20888696433d1b3d8ba15288483b777edd888de69135Elliott Hughes} 20898696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 2090306057fd278d75bf3794bd5243a3b6652c487d18Ian RogersJDWP::JdwpError Dbg::GetThreadFrames(JDWP::ObjectId thread_id, size_t start_frame, 2091306057fd278d75bf3794bd5243a3b6652c487d18Ian Rogers size_t frame_count, JDWP::ExpandBuf* buf) { 20926e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes class GetFrameVisitor : public StackVisitor { 20936e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes public: 20947a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor(Thread* thread, size_t start_frame, size_t frame_count, JDWP::ExpandBuf* buf) 2095b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 20967a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), depth_(0), 20976e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes start_frame_(start_frame), frame_count_(frame_count), buf_(buf) { 20986e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd4BE(buf_, frame_count_); 209903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21000399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 210100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 210200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 210300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 21040399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetMethod()->IsRuntimeMethod()) { 21057934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return true; // The debugger can't do anything useful with a frame that has no Method*. 210603181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21076e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_ + frame_count_) { 2108530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 210903181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21106e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (depth_ >= start_frame_) { 21116e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id(GetFrameId()); 21126e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::JdwpLocation location; 21136e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes SetLocation(location, GetMethod(), GetDexPc()); 2114ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers VLOG(jdwp) << StringPrintf(" Frame %3zd: id=%3" PRIu64 " ", depth_, frame_id) << location; 21156e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAdd8BE(buf_, frame_id); 21166e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes expandBufAddLocation(buf_, location); 21176e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 21186e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes ++depth_; 2119530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 212003181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes } 21216e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes 21226e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes private: 21236e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes size_t depth_; 21246e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t start_frame_; 21256e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes const size_t frame_count_; 21266e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::ExpandBuf* buf_; 212703181a828cd493545b278e0aa4f150fdaf1e3325Elliott Hughes }; 212800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 212900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2130a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2131221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2132221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2133221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2134221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 2135221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2136f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 2137f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes return JDWP::ERR_THREAD_NOT_SUSPENDED; 2138f15f4a0136a7b797117355768851bc421b3afc93Elliott Hughes } 21397a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetFrameVisitor visitor(thread, start_frame, frame_count, buf); 21400399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 21416e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 2142872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2143872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2144872d4ec7225444d9400d30f9027247deb91012fdElliott HughesJDWP::ObjectId Dbg::GetThreadSelfId() { 2145dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 2146cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers return gRegistry->Add(soa.Self()->GetPeer()); 2147872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2148872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2149475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughesvoid Dbg::SuspendVM() { 215000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Runtime::Current()->GetThreadList()->SuspendAllForDebugger(); 2151872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2152872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2153872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ResumeVM() { 2154c61a267e98ed1038b74c33c7740414ced4a27d89Elliott Hughes Runtime::Current()->GetThreadList()->UndoDebuggerSuspensions(); 2155872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2156872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2157221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::SuspendThread(JDWP::ObjectId thread_id, bool request_suspension) { 215800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> peer(Thread::Current()->GetJniEnv(), NULL); 215900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 216000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 21612dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers peer.reset(soa.AddLocalReference<jobject>(gRegistry->Get<mirror::Object*>(thread_id))); 216200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 216300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (peer.get() == NULL) { 216400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 216500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 216600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend thread to build stack trace. 2167f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes bool timed_out; 2168d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* thread = ThreadList::SuspendThreadByPeer(peer.get(), request_suspension, true, 2169d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 217000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (thread != NULL) { 217100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_NONE; 2172f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else if (timed_out) { 217300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_INTERNAL; 217400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } else { 217500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_ALIVE; 21764e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 2177872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2178872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2179221229cb523f849f165fdafbf9785010963715daElliott Hughesvoid Dbg::ResumeThread(JDWP::ObjectId thread_id) { 218000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 21812dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* peer = gRegistry->Get<mirror::Object*>(thread_id); 2182a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao Thread* thread; 2183a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao { 2184a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2185a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao thread = Thread::FromManagedThread(soa, peer); 2186a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao } 21874e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes if (thread == NULL) { 21884e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes LOG(WARNING) << "No such thread for resume: " << peer; 21894e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes return; 21904e235316b4ada4d865c544d9b4ba397139333fa6Elliott Hughes } 219100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool needs_resume; 219200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 219350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 219400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers needs_resume = thread->GetSuspendCount() > 0; 219500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 219600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (needs_resume) { 2197546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes Runtime::Current()->GetThreadList()->Resume(thread, true); 2198546b986ecd09c2a498740bd8bf7127e612d94755Elliott Hughes } 2199872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2200872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2201872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::SuspendSelf() { 2202475fc23a4a7f35d1be87ea0b06c80df317a720acElliott Hughes Runtime::Current()->GetThreadList()->SuspendSelfForDebugger(); 2203872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2204872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 22050399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct GetThisVisitor : public StackVisitor { 22067a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor(Thread* thread, Context* context, JDWP::FrameId frame_id) 2207b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 22087a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), this_object(NULL), frame_id(frame_id) {} 220968fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes 221000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 221100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 221200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers virtual bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 22136e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes if (frame_id != GetFrameId()) { 22140399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // continue 22150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } else { 221662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_object = GetThisObject(); 221762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers return false; 22180399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 221968fdbd07fc2b8856905e06f3cc945b046c3bfcd3Elliott Hughes } 2220dbb4079eb1e7d7738c81a97c8dd2550885c1093aElliott Hughes 22212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* this_object; 22226e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes JDWP::FrameId frame_id; 22230399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers}; 2224ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 222500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan RogersJDWP::JdwpError Dbg::GetThisObject(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, 222600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* result) { 222700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 222800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread; 222900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 223050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2231221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2232221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2233221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 223400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 22359e0c175a0cea5c8c88a6927e6375554118f74a82Elliott Hughes if (!IsSuspendedForDebugger(soa, thread)) { 223600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return JDWP::ERR_THREAD_NOT_SUSPENDED; 223700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 22386e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes } 2239caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes UniquePtr<Context> context(Context::Create()); 22407a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers GetThisVisitor visitor(thread, context.get(), frame_id); 22410399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 22426e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes *result = gRegistry->Add(visitor.this_object); 22436e9d22c78c1016e70f8c2a9e6bc66c94ec36f728Elliott Hughes return JDWP::ERR_NONE; 22440399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 22450399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2246cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::GetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2247cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint8_t* buf, size_t width) { 22480399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct GetLocalVisitor : public StackVisitor { 22499837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor(const ScopedObjectAccessUnchecked& soa, Thread* thread, Context* context, 22509837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint8_t* buf, size_t width) 2251b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 22529837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers : StackVisitor(thread, context), soa_(soa), frame_id_(frame_id), slot_(slot), tag_(tag), 2253cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz buf_(buf), width_(width), error_(JDWP::ERR_NONE) {} 2254ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 225500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 225600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 225700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 22580399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 22590399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 22600399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2262cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2263ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2264cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2265cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2266cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2267cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2268cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 22690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 22700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 22710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 22720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BOOLEAN: 22730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 22752bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22760399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get boolean local " << reg << " = " << intVal; 22770399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_+1, intVal != 0); 22780399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22790399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22800399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BYTE: 22810399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22820399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 22832bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22840399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get byte local " << reg << " = " << intVal; 22850399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_+1, intVal); 22860399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22880399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_SHORT: 22890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CHAR: 22900399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 22910399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 22922bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 22930399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get short/char local " << reg << " = " << intVal; 22940399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set2BE(buf_+1, intVal); 22950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 22960399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 22970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_INT: 22982bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers { 22992bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 23002bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kIntVReg); 23012bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers VLOG(jdwp) << "get int local " << reg << " = " << intVal; 23022bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers JDWP::Set4BE(buf_+1, intVal); 23032bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 23042bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 23050399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_FLOAT: 23060399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23070399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 23082bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t intVal = GetVReg(m, reg, kFloatVReg); 23090399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get int/float local " << reg << " = " << intVal; 23100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set4BE(buf_+1, intVal); 23110399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23120399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23130399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_ARRAY: 23140399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23150399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 23162dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = reinterpret_cast<mirror::Object*>(GetVReg(m, reg, kReferenceVReg)); 23170399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get array local " << reg << " = " << o; 2318590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 23190399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Register " << reg << " expected to hold array: " << o; 23200399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23210399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::SetObjectId(buf_+1, gRegistry->Add(o)); 23220399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23230399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23240399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CLASS_LOADER: 23250399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CLASS_OBJECT: 23260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_OBJECT: 23270399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_STRING: 23280399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_THREAD: 23290399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_THREAD_GROUP: 23300399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 23322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = reinterpret_cast<mirror::Object*>(GetVReg(m, reg, kReferenceVReg)); 23330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get object local " << reg << " = " << o; 2334590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(o)) { 23350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Register " << reg << " expected to hold object: " << o; 23360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23379837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers tag_ = TagFromObject(soa_, o); 23380399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::SetObjectId(buf_+1, gRegistry->Add(o)); 23390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23400399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23410399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_DOUBLE: 23422bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers { 23432bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 23442bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t lo = GetVReg(m, reg, kDoubleLoVReg); 23452bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t hi = GetVReg(m, reg + 1, kDoubleHiVReg); 23462bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t longVal = (hi << 32) | lo; 23472bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers VLOG(jdwp) << "get double/long local " << hi << ":" << lo << " = " << longVal; 23482bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers JDWP::Set8BE(buf_+1, longVal); 23492bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers } 23502bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 23510399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_LONG: 23520399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 23530399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 23542bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint32_t lo = GetVReg(m, reg, kLongLoVReg); 23552bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers uint64_t hi = GetVReg(m, reg + 1, kLongHiVReg); 23560399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint64_t longVal = (hi << 32) | lo; 23570399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers VLOG(jdwp) << "get double/long local " << hi << ":" << lo << " = " << longVal; 23580399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set8BE(buf_+1, longVal); 23590399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23600399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers default: 23620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Unknown tag " << tag_; 23630399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 23640399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 2365ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes 23660399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // Prepend tag, which may have been updated. 23670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::Set1(buf_, tag_); 23680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 23690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 23709837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers const ScopedObjectAccessUnchecked& soa_; 23710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 23720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 23730399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::JdwpTag tag_; 23740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint8_t* const buf_; 23750399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2376cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 23770399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 237800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 237900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2380a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2381221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2382221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2383221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2384cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2385221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2386cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 23870399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers UniquePtr<Context> context(Context::Create()); 23889837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers GetLocalVisitor visitor(soa, thread, context.get(), frame_id, slot, tag, buf, width); 23890399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2390cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 23910399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers} 23920399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 2393cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien HertzJDWP::JdwpError Dbg::SetLocalValue(JDWP::ObjectId thread_id, JDWP::FrameId frame_id, int slot, 2394cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpTag tag, uint64_t value, size_t width) { 23950399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SetLocalVisitor : public StackVisitor { 23967a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor(Thread* thread, Context* context, 23970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers JDWP::FrameId frame_id, int slot, JDWP::JdwpTag tag, uint64_t value, 2398ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers size_t width) 2399b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 24007a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, context), 2401cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz frame_id_(frame_id), slot_(slot), tag_(tag), value_(value), width_(width), 2402cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_(JDWP::ERR_NONE) {} 2403ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 240400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 240500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 240600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 24070399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (GetFrameId() != frame_id_) { 24080399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return true; // Not our frame, carry on. 2409ad3da694bbba88662d1d1bd2cc574d6e3ab6cd42Elliott Hughes } 24100399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers // TODO: check that the tag is compatible with the actual type of the slot! 2411cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO: check slot is valid for this method or return INVALID_SLOT error. 2412ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 2413cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz if (m->IsNative()) { 2414cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // We can't read local value from native method. 2415cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz error_ = JDWP::ERR_OPAQUE_FRAME; 2416cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return false; 2417cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz } 24180399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers uint16_t reg = DemangleSlot(slot_, m); 24190399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 24200399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers switch (tag_) { 24210399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BOOLEAN: 24220399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_BYTE: 24230399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 1U); 24242bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24250399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24260399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_SHORT: 24270399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_CHAR: 24280399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 2U); 24292bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24300399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24310399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_INT: 24322bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 4U); 24332bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kIntVReg); 24342bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 24350399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_FLOAT: 24360399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 4U); 24372bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kFloatVReg); 24380399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24390399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_ARRAY: 24400399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_OBJECT: 24410399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_STRING: 24420399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers { 24430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, sizeof(JDWP::ObjectId)); 24442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* o = gRegistry->Get<mirror::Object*>(static_cast<JDWP::ObjectId>(value_)); 244564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (o == ObjectRegistry::kInvalidObject) { 24460399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers UNIMPLEMENTED(FATAL) << "return an error code when given an invalid object to store"; 24470399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24482bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(reinterpret_cast<uintptr_t>(o)), kReferenceVReg); 24490399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24500399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24510399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_DOUBLE: 24522bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers CHECK_EQ(width_, 8U); 24532bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kDoubleLoVReg); 24542bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg + 1, static_cast<uint32_t>(value_ >> 32), kDoubleHiVReg); 24552bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers break; 24560399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers case JDWP::JT_LONG: 24570399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers CHECK_EQ(width_, 8U); 24582bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg, static_cast<uint32_t>(value_), kLongLoVReg); 24592bcb4a496b7aa00d996df3a070524f7568fb35a1Ian Rogers SetVReg(m, reg + 1, static_cast<uint32_t>(value_ >> 32), kLongHiVReg); 24600399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24610399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers default: 24620399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers LOG(FATAL) << "Unknown tag " << tag_; 24630399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers break; 24640399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers } 24650399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers return false; 2466cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes } 24670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers 24680399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::FrameId frame_id_; 24690399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const int slot_; 24700399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const JDWP::JdwpTag tag_; 24710399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const uint64_t value_; 24720399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers const size_t width_; 2473cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz JDWP::JdwpError error_; 24740399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers }; 247500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 247600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 2477a77f0f68a59870ff027dad654fe31eb3fdaf3d5djeffhao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2478221229cb523f849f165fdafbf9785010963715daElliott Hughes Thread* thread; 2479221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 2480221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 2481cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return error; 2482221229cb523f849f165fdafbf9785010963715daElliott Hughes } 2483cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz // TODO check thread is suspended by the debugger ? 248408fc03ae5dded4adc9b45b7014a4b9dfedbe95a6Elliott Hughes UniquePtr<Context> context(Context::Create()); 24857a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers SetLocalVisitor visitor(thread, context.get(), frame_id, slot, tag, value, width); 24860399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 2487cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz return visitor.error_; 2488872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2489872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 24903f52eafe5577b8489f90dc8ed5981b3455206147Sebastien HertzJDWP::ObjectId Dbg::GetThisObjectIdForEvent(mirror::Object* this_object) { 24913f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // If 'this_object' isn't already in the registry, we know that we're not looking for it, so 24923f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // there's no point adding it to the registry and burning through ids. 24933f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // When registering an event request with an instance filter, we've been given an existing object 24943f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // id so it must already be present in the registry when the event fires. 24953f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = 0; 24963f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (this_object != nullptr && gRegistry->Contains(this_object)) { 24973f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz this_id = gRegistry->Add(this_object); 24983f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 24993f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return this_id; 25003f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 25013f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 2502ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogersvoid Dbg::PostLocationEvent(mirror::ArtMethod* m, int dex_pc, mirror::Object* this_object, 2503579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao int event_flags, const JValue* return_value) { 25043f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 25053f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 25063f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 25073f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 25083f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK_EQ(m->IsStatic(), this_object == nullptr); 250991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes JDWP::JdwpLocation location; 2510cb19ebf7609f74b223bd86c94f721498795f9bbaSebastien Hertz SetLocation(location, m, dex_pc); 251191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 25123f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // We need 'this' for InstanceOnly filters only. 25133f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = GetThisObjectIdForEvent(this_object); 2514579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao gJdwpState->PostLocationEvent(&location, this_id, event_flags, return_value); 2515872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2516872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 25173f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldAccessEvent(mirror::ArtMethod* m, int dex_pc, 25183f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f) { 25193f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 25203f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 25213f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 25223f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 25233f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 25243f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpLocation location; 25253f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SetLocation(location, m, dex_pc); 25263f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25273f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::RefTypeId type_id = gRegistry->AddRefType(f->GetDeclaringClass()); 25283f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::FieldId field_id = ToFieldId(f); 25293f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = gRegistry->Add(this_object); 25303f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25313f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz gJdwpState->PostFieldEvent(&location, type_id, field_id, this_id, nullptr, false); 25323f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 25333f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25343f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostFieldModificationEvent(mirror::ArtMethod* m, int dex_pc, 25353f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz mirror::Object* this_object, mirror::ArtField* f, 25363f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz const JValue* field_value) { 25373f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz if (!IsDebuggerActive()) { 25383f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz return; 25393f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz } 25403f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(m != nullptr); 25413f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(f != nullptr); 25423f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz DCHECK(field_value != nullptr); 25433f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::JdwpLocation location; 25443f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz SetLocation(location, m, dex_pc); 25453f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25463f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::RefTypeId type_id = gRegistry->AddRefType(f->GetDeclaringClass()); 25473f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::FieldId field_id = ToFieldId(f); 25483f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = gRegistry->Add(this_object); 25493f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25503f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz gJdwpState->PostFieldEvent(&location, type_id, field_id, this_id, field_value, true); 25513f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz} 25523f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz 25533f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertzvoid Dbg::PostException(const ThrowLocation& throw_location, 2554ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* catch_method, 255564f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes uint32_t catch_dex_pc, mirror::Throwable* exception_object) { 2556c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 25570ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers return; 25580ad5bb8ea378a223eb6eaf89e0be2823c6f87c0eIan Rogers } 25594740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 256062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers JDWP::JdwpLocation jdwp_throw_location; 256162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SetLocation(jdwp_throw_location, throw_location.GetMethod(), throw_location.GetDexPc()); 2562d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes JDWP::JdwpLocation catch_location; 2563caf7654a0e6c76c7489970b1a246fccf220f9982Elliott Hughes SetLocation(catch_location, catch_method, catch_dex_pc); 2564d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 25653f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz // We need 'this' for InstanceOnly filters only. 25663f52eafe5577b8489f90dc8ed5981b3455206147Sebastien Hertz JDWP::ObjectId this_id = GetThisObjectIdForEvent(throw_location.GetThis()); 256764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::ObjectId exception_id = gRegistry->Add(exception_object); 256864f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes JDWP::RefTypeId exception_class_id = gRegistry->AddRefType(exception_object->GetClass()); 2569d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 257062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers gJdwpState->PostException(&jdwp_throw_location, exception_id, exception_class_id, &catch_location, 257162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers this_id); 2572872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2573872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 25742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::PostClassPrepare(mirror::Class* c) { 2575c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (!IsDebuggerActive()) { 25764740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes return; 25774740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes } 25784740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes 25793d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes // OLD-TODO - we currently always send both "verified" and "prepared" since 25804740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // debuggers seem to like that. There might be some advantage to honesty, 25814740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes // since the class may not yet be verified. 25824740cdff25875c530649a670b15e8ac52bfd7252Elliott Hughes int state = JDWP::CS_VERIFIED | JDWP::CS_PREPARED; 25834d8fd49509fdcf203107fb33c62d8f451b6eb1d0Sebastien Hertz JDWP::JdwpTypeTag tag = GetTypeTag(c); 2584fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers gJdwpState->PostClassPrepare(tag, gRegistry->Add(c), 2585dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers ClassHelper(c).GetDescriptor(), state); 2586872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2587872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 258862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogersvoid Dbg::UpdateDebugger(Thread* thread, mirror::Object* this_object, 2589ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m, uint32_t dex_pc) { 259062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers if (!IsDebuggerActive() || dex_pc == static_cast<uint32_t>(-2) /* fake method exit */) { 25912aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes return; 259291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 259391bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 25942aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes int event_flags = 0; 25952aa2e39548e194c5514d6534149ca1078021eab1Elliott Hughes 25968696433d1b3d8ba15288483b777edd888de69135Elliott Hughes if (IsBreakpoint(m, dex_pc)) { 25978696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kBreakpoint; 259891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 259991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 260061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // If the debugger is single-stepping one of our threads, check to 260161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // see if we're that thread and we've reached a step point. 260261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const SingleStepControl* single_step_control = thread->GetSingleStepControl(); 260361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 260461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->is_active) { 260561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK(!m->IsNative()); 260661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_depth == JDWP::SD_INTO) { 260761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step into method calls. We break when the line number 260861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // or method pointer changes. If we're in SS_MIN mode, we 260961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // always stop. 261061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->method != m) { 261161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 261261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new method"; 261361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_size == JDWP::SS_MIN) { 261461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 261561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new instruction"; 2616bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 261761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 261861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS new line"; 261961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 262061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (single_step_control->step_depth == JDWP::SD_OVER) { 262161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Step over method calls. We break when the line number is 262261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // different and the frame depth is <= the original frame 262361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth. (We can't just compare on the method, because we 262461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // might get unrolled past it by an exception, and it's tricky 262561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // to identify recursion.) 262661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 262761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 262861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 262961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 263061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Popped up one or more frames, always trigger. 263161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 263261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 263361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else if (stack_depth == single_step_control->stack_depth) { 263461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Same depth, see if we moved. 263561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control->step_size == JDWP::SS_MIN) { 26368696433d1b3d8ba15288483b777edd888de69135Elliott Hughes event_flags |= kSingleStep; 26378696433d1b3d8ba15288483b777edd888de69135Elliott Hughes VLOG(jdwp) << "SS new instruction"; 2638bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz } else if (single_step_control->ContainsDexPc(dex_pc)) { 26392435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes event_flags |= kSingleStep; 26402435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "SS new line"; 264191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 264261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 264361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } else { 264461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz CHECK_EQ(single_step_control->step_depth, JDWP::SD_OUT); 264561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // Return from the current method. We break when the frame 264661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // depth pops up. 264761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 264861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // This differs from the "method exit" break in that it stops 264961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // with the PC at the next instruction in the returned-to 265061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz // function, rather than the end of the returning function. 265161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 265261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int stack_depth = GetStackDepth(thread); 265361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (stack_depth < single_step_control->stack_depth) { 265461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz event_flags |= kSingleStep; 265561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "SS method pop"; 26568696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 265791bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 265891bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 265991bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 266091bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // If there's something interesting going on, see if it matches one 266191bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes // of the debugger filters. 266291bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes if (event_flags != 0) { 2663579b02416e05e32e535126e1ed61613a2cdb030eJeff Hao Dbg::PostLocationEvent(m, dex_pc, this_object, event_flags, nullptr); 266491bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes } 266591bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes} 266691bf6cd47174f5c17265320f7a350722720390a5Elliott Hughes 26674d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz// Process request while all mutator threads are suspended. 26684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::ProcessDeoptimizationRequest(const DeoptimizationRequest& request) { 2669138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 26704d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz switch (request.kind) { 26714d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kNothing: 26724d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(WARNING) << "Ignoring empty deoptimization request."; 26734d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26744d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: 26757ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world ..."; 26764d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->DeoptimizeEverything(); 26777ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize the world DONE"; 26784d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26794d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: 26807ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world ..."; 26814d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->UndeoptimizeEverything(); 26827ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize the world DONE"; 26834d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26844d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: 26857ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.method) << " ..."; 26864d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->Deoptimize(request.method); 26877ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Deoptimize method " << PrettyMethod(request.method) << " DONE"; 26884d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26894d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: 26907ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.method) << " ..."; 26914d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz instrumentation->Undeoptimize(request.method); 26927ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Undeoptimize method " << PrettyMethod(request.method) << " DONE"; 26934d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26944d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: 26954d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(FATAL) << "Unsupported deoptimization request kind " << request.kind; 26964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 26974d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 26984d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz} 26994d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz 27007ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::DelayFullUndeoptimization() { 27017ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 27027ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ++delayed_full_undeoptimization_count_; 27037ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DCHECK_LE(delayed_full_undeoptimization_count_, full_deoptimization_event_count_); 27047ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 27057ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 27067ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::ProcessDelayedFullUndeoptimizations() { 27077ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz // TODO: avoid taking the lock twice (once here and once in ManageDeoptimization). 27087ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz { 27097ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 27107ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz while (delayed_full_undeoptimization_count_ > 0) { 27117ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz DeoptimizationRequest req; 27127ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz req.kind = DeoptimizationRequest::kFullUndeoptimization; 27137ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz req.method = nullptr; 27147ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 27157ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz --delayed_full_undeoptimization_count_; 27167ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 27177ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz } 27187ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz ManageDeoptimization(); 27197ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 27207ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 27214d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::RequestDeoptimization(const DeoptimizationRequest& req) { 27224d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (req.kind == DeoptimizationRequest::kNothing) { 27234d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz // Nothing to do. 27244d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz return; 27254d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27264d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(Thread::Current(), *deoptimization_lock_); 27277ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz RequestDeoptimizationLocked(req); 27287ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz} 27297ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz 27307ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertzvoid Dbg::RequestDeoptimizationLocked(const DeoptimizationRequest& req) { 27314d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz switch (req.kind) { 27324d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullDeoptimization: { 27334d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method == nullptr); 27344d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 27357ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 27367ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full deoptimization"; 27374d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2738138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 27394d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ++full_deoptimization_event_count_; 27404d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27414d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27424d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kFullUndeoptimization: { 27434d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method == nullptr); 27444d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK_GT(full_deoptimization_event_count_, 0U); 27454d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz --full_deoptimization_event_count_; 27464d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (full_deoptimization_event_count_ == 0) { 27477ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 27487ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for full undeoptimization"; 27494d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 2750138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 27514d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27524d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27534d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveDeoptimization: { 27544d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method != nullptr); 27557ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 27567ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for deoptimization of " << PrettyMethod(req.method); 27574d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 27584d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27594d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27604d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz case DeoptimizationRequest::kSelectiveUndeoptimization: { 27614d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz DCHECK(req.method != nullptr); 27627ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Queue request #" << deoptimization_requests_.size() 27637ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz << " for undeoptimization of " << PrettyMethod(req.method); 27644d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.push_back(req); 27654d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 27664d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27674d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz default: { 27684d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz LOG(FATAL) << "Unknown deoptimization request kind " << req.kind; 27694d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz break; 2770138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2771138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2772138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 2773138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2774138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertzvoid Dbg::ManageDeoptimization() { 2775138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Thread* const self = Thread::Current(); 2776138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz { 2777138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // Avoid suspend/resume if there is no pending request. 27784d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 27794d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz if (deoptimization_requests_.empty()) { 2780138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz return; 2781138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2782138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2783138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->GetState(), kRunnable); 2784138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromRunnableToSuspended(kWaitingForDeoptimization); 2785138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz // We need to suspend mutator threads first. 2786138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz Runtime* const runtime = Runtime::Current(); 2787138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->SuspendAll(); 2788138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz const ThreadState old_state = self->SetStateUnsafe(kRunnable); 27894d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz { 27904d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz MutexLock mu(self, *deoptimization_lock_); 27917ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz size_t req_index = 0; 27924d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz for (const DeoptimizationRequest& request : deoptimization_requests_) { 27937ec2f1ca3cbd021848da75d5566f7239ce29676fSebastien Hertz VLOG(jdwp) << "Process deoptimization request #" << req_index++; 27944d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz ProcessDeoptimizationRequest(request); 27954d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 27964d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz deoptimization_requests_.clear(); 27974d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertz } 2798138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz CHECK_EQ(self->SetStateUnsafe(old_state), kRunnable); 2799138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz runtime->GetThreadList()->ResumeAll(); 2800138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz self->TransitionFromSuspendedToRunnable(); 2801138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz} 2802138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2803a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic bool IsMethodPossiblyInlined(Thread* self, mirror::ArtMethod* m) 2804a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 2805a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MethodHelper mh(m); 2806a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const DexFile::CodeItem* code_item = mh.GetCodeItem(); 2807a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (code_item == nullptr) { 2808a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // TODO We should not be asked to watch location in a native or abstract method so the code item 2809a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // should never be null. We could just check we never encounter this case. 2810a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return false; 2811a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2812a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SirtRef<mirror::DexCache> dex_cache(self, mh.GetDexCache()); 2813a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SirtRef<mirror::ClassLoader> class_loader(self, mh.GetClassLoader()); 2814a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz verifier::MethodVerifier verifier(&mh.GetDexFile(), &dex_cache, &class_loader, 2815a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz &mh.GetClassDef(), code_item, m->GetDexMethodIndex(), m, 2816a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz m->GetAccessFlags(), false, true); 2817a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: we don't need to verify the method. 2818a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return InlineMethodAnalyser::AnalyseMethodCode(&verifier, nullptr); 2819a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2820138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2821a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic const Breakpoint* FindFirstBreakpointForMethod(mirror::ArtMethod* m) 2822a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) { 2823a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 2824a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (breakpoint.method == m) { 2825a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return &breakpoint; 2826138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2827a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2828a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz return nullptr; 2829a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2830138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2831a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Sanity checks all existing breakpoints on the same method. 2832a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzstatic void SanityCheckExistingBreakpoints(mirror::ArtMethod* m, bool need_full_deoptimization) 2833a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz EXCLUSIVE_LOCKS_REQUIRED(Locks::breakpoint_lock_) { 2834a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (kIsDebugBuild) { 2835a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (const Breakpoint& breakpoint : gBreakpoints) { 2836a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK_EQ(need_full_deoptimization, breakpoint.need_full_deoptimization); 2837a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2838a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2839a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have deoptimized everything but not "selectively" deoptimized this method. 2840a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->AreAllMethodsDeoptimized()); 2841a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(!Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2842a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2843a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // We should have "selectively" deoptimized this method. 2844a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // Note: while we have not deoptimized everything for this method, we may have done it for 2845a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // another event. 2846a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz CHECK(Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2847a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2848138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2849a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz} 2850138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2851a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Installs a breakpoint at the specified location. Also indicates through the deoptimization 2852a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to deoptimize. 2853a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertzvoid Dbg::WatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 2854a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz Thread* const self = Thread::Current(); 2855a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz mirror::ArtMethod* m = FromMethodId(location->method_id); 2856a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 2857a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2858a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MutexLock mu(self, *Locks::breakpoint_lock_); 2859a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 2860a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization; 2861a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 2862a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no breakpoint on this method yet: we need to deoptimize. If this method may be 2863a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // inlined, we deoptimize everything; otherwise we deoptimize only this method. 2864a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = IsMethodPossiblyInlined(self, m); 2865a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2866a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kFullDeoptimization; 2867a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2868a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2869a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kSelectiveDeoptimization; 2870a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = m; 2871a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2872a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2873a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to deoptimize. 2874a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kNothing; 2875a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2876a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2877a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = existing_breakpoint->need_full_deoptimization; 2878a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 2879138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2880a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz 2881a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.push_back(Breakpoint(m, location->dex_pc, need_full_deoptimization)); 2882a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Set breakpoint #" << (gBreakpoints.size() - 1) << ": " 2883a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz << gBreakpoints[gBreakpoints.size() - 1]; 2884872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2885872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2886a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// Uninstalls a breakpoint at the specified location. Also indicates through the deoptimization 2887a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz// request if we need to undeoptimize. 28884d25df3f76f864b7629ac8c0046d46997f293d8dSebastien Hertzvoid Dbg::UnwatchLocation(const JDWP::JdwpLocation* location, DeoptimizationRequest* req) { 2889ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(location->method_id); 2890a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK(m != nullptr) << "No method for method id " << location->method_id; 2891138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz 2892a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz MutexLock mu(Thread::Current(), *Locks::breakpoint_lock_); 2893a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz bool need_full_deoptimization = false; 2894a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz for (size_t i = 0, e = gBreakpoints.size(); i < e; ++i) { 2895a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (gBreakpoints[i].method == m && gBreakpoints[i].dex_pc == location->dex_pc) { 2896a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz VLOG(jdwp) << "Removed breakpoint #" << i << ": " << gBreakpoints[i]; 2897a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz need_full_deoptimization = gBreakpoints[i].need_full_deoptimization; 2898a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz DCHECK_NE(need_full_deoptimization, Runtime::Current()->GetInstrumentation()->IsDeoptimized(m)); 2899a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz gBreakpoints.erase(gBreakpoints.begin() + i); 2900a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz break; 2901138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2902138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz } 2903a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz const Breakpoint* const existing_breakpoint = FindFirstBreakpointForMethod(m); 2904a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (existing_breakpoint == nullptr) { 2905a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is no more breakpoint on this method: we need to undeoptimize. 2906a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz if (need_full_deoptimization) { 2907a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required full deoptimization: we need to undeoptimize everything. 2908a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kFullUndeoptimization; 2909a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2910a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2911a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // This method required selective deoptimization: we need to undeoptimize only that method. 2912a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kSelectiveUndeoptimization; 2913a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = m; 2914a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } 2915a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz } else { 2916a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz // There is at least one breakpoint for this method: we don't need to undeoptimize. 2917a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->kind = DeoptimizationRequest::kNothing; 2918a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz req->method = nullptr; 2919a76a6d4cb3dedec909bd927f20bc0ab23198a337Sebastien Hertz SanityCheckExistingBreakpoints(m, need_full_deoptimization); 29208696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 2921872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 2922872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 2923449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// Scoped utility class to suspend a thread so that we may do tasks such as walk its stack. Doesn't 2924449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao// cause suspension if the thread is the current thread. 2925449db33fafa29578df60e8a323f78d5eb6247e76Jeff Haoclass ScopedThreadSuspension { 2926449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao public: 292733e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers ScopedThreadSuspension(Thread* self, JDWP::ObjectId thread_id) 292852d131d8e71ae9ea915ea84a3f95d49547e8e661Sebastien Hertz LOCKS_EXCLUDED(Locks::thread_list_lock_) 292933e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) : 2930449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao thread_(NULL), 2931449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_(JDWP::ERR_NONE), 2932449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_(false), 293333e9566255c426e7a2c8fca5b8a1b6a94a5d352cIan Rogers other_suspend_(false) { 2934449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedObjectAccessUnchecked soa(self); 2935449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao { 2936449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 2937449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = DecodeThread(soa, thread_id, thread_); 2938449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2939449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (error_ == JDWP::ERR_NONE) { 2940449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (thread_ == soa.Self()) { 2941449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao self_suspend_ = true; 2942449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 2943449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao soa.Self()->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 2944449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao jobject thread_peer = gRegistry->GetJObject(thread_id); 2945449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool timed_out; 2946d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers Thread* suspended_thread = ThreadList::SuspendThreadByPeer(thread_peer, true, true, 2947d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers &timed_out); 2948449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(soa.Self()->TransitionFromSuspendedToRunnable(), kWaitingForDebuggerSuspension); 2949449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (suspended_thread == NULL) { 2950449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao // Thread terminated from under us while suspending. 2951449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao error_ = JDWP::ERR_INVALID_THREAD; 2952449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } else { 2953449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao CHECK_EQ(suspended_thread, thread_); 2954449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao other_suspend_ = true; 2955449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2956449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2957449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2958449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2959449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2960449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* GetThread() const { 2961449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return thread_; 2962449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2963449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2964449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError GetError() const { 2965449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return error_; 2966449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2967449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2968449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ~ScopedThreadSuspension() { 2969449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (other_suspend_) { 2970449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Runtime::Current()->GetThreadList()->Resume(thread_, true); 2971449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2972449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao } 2973449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2974449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao private: 2975449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* thread_; 2976449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao JDWP::JdwpError error_; 2977449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool self_suspend_; 2978449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao bool other_suspend_; 2979449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao}; 2980449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 2981221229cb523f849f165fdafbf9785010963715daElliott HughesJDWP::JdwpError Dbg::ConfigureStep(JDWP::ObjectId thread_id, JDWP::JdwpStepSize step_size, 298200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpStepDepth step_depth) { 2983449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao Thread* self = Thread::Current(); 2984449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao ScopedThreadSuspension sts(self, thread_id); 2985449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao if (sts.GetError() != JDWP::ERR_NONE) { 2986449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao return sts.GetError(); 29872435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 29888696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 29892435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 29902435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Work out what Method* we're in, the current line number, and how deep the stack currently 29912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // is for step-out. 29922435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 29932435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 29940399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers struct SingleStepStackVisitor : public StackVisitor { 299561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz explicit SingleStepStackVisitor(Thread* thread, SingleStepControl* single_step_control, 299661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* line_number) 2997b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 299861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz : StackVisitor(thread, NULL), single_step_control_(single_step_control), 299961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz line_number_(line_number) { 300061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK_EQ(single_step_control_, thread->GetSingleStepControl()); 300161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = NULL; 300261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->stack_depth = 0; 30038696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3004ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers 300500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 300600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 300700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 300861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz mirror::ArtMethod* m = GetMethod(); 30090399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 301061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ++single_step_control_->stack_depth; 301161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (single_step_control_->method == NULL) { 3012ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::DexCache* dex_cache = m->GetDeclaringClass()->GetDexCache(); 301361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->method = m; 301461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = -1; 30152435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (dex_cache != NULL) { 30164445a7e3398a6143939168097a3aa275b734504dIan Rogers const DexFile& dex_file = *dex_cache->GetDexFile(); 301761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz *line_number_ = dex_file.GetLineNumFromPC(m, GetDexPc()); 30182435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30198696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 30208696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 3021530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 30228696433d1b3d8ba15288483b777edd888de69135Elliott Hughes } 302361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz 302461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 302561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t* const line_number_; 30268696433d1b3d8ba15288483b777edd888de69135Elliott Hughes }; 3027449db33fafa29578df60e8a323f78d5eb6247e76Jeff Hao 302861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* const thread = sts.GetThread(); 302961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control = thread->GetSingleStepControl(); 303061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 303161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz int32_t line_number = -1; 303261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepStackVisitor visitor(thread, single_step_control, &line_number); 30330399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 30348696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 30352435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 30362435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Find the dex_pc values that correspond to the current line, for line-based single-stepping. 30372435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 30382435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 30392435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes struct DebugCallbackContext { 3040bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz explicit DebugCallbackContext(SingleStepControl* single_step_control, int32_t line_number, 3041bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* code_item) 3042bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz : single_step_control_(single_step_control), line_number_(line_number), code_item_(code_item), 304361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz last_pc_valid(false), last_pc(0) { 30442435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30452435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 304661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz static bool Callback(void* raw_context, uint32_t address, uint32_t line_number) { 30472435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes DebugCallbackContext* context = reinterpret_cast<DebugCallbackContext*>(raw_context); 304861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (static_cast<int32_t>(line_number) == context->line_number_) { 30492435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (!context->last_pc_valid) { 30502435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything from this address until the next line change is ours. 30512435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc = address; 30522435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = true; 30532435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30542435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Otherwise, if we're already in a valid range for this line, 30552435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // just keep going (shouldn't really happen)... 30567934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom } else if (context->last_pc_valid) { // and the line number is new 30572435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Add everything from the last entry up until here to the set 30582435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = context->last_pc; dex_pc < address; ++dex_pc) { 305961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz context->single_step_control_->dex_pcs.insert(dex_pc); 30602435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30612435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes context->last_pc_valid = false; 30622435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30637934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return false; // There may be multiple entries for any given line. 30642435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30652435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 306661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ~DebugCallbackContext() { 30672435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // If the line number was the last in the position table... 30682435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (last_pc_valid) { 3069bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz size_t end = code_item_->insns_size_in_code_units_; 30702435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes for (uint32_t dex_pc = last_pc; dex_pc < end; ++dex_pc) { 307161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control_->dex_pcs.insert(dex_pc); 30722435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30732435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30742435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 30752435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 307661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* const single_step_control_; 307761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz const int32_t line_number_; 3078bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item_; 30792435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes bool last_pc_valid; 30802435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes uint32_t last_pc; 30812435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes }; 308261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->dex_pcs.clear(); 3083ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = single_step_control->method; 308461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz if (!m->IsNative()) { 30853e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes MethodHelper mh(m); 3086bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz const DexFile::CodeItem* const code_item = mh.GetCodeItem(); 3087bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz DebugCallbackContext context(single_step_control, line_number, code_item); 3088bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz mh.GetDexFile().DecodeDebugInfo(code_item, m->IsStatic(), m->GetDexMethodIndex(), 30893e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes DebugCallbackContext::Callback, NULL, &context); 30903e2e1a2380e7b2ce402640ea4f6a177c06bd19a2Elliott Hughes } 30912435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 30922435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 30932435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // Everything else... 30942435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes // 30952435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 309661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_size = step_size; 309761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->step_depth = step_depth; 309861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz single_step_control->is_active = true; 30998696433d1b3d8ba15288483b777edd888de69135Elliott Hughes 31002435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes if (VLOG_IS_ON(jdwp)) { 310161b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step thread: " << *thread; 310261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step size: " << single_step_control->step_size; 310361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step step depth: " << single_step_control->step_depth; 310461b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current method: " << PrettyMethod(single_step_control->method); 310561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current line: " << line_number; 310661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz VLOG(jdwp) << "Single-step current stack depth: " << single_step_control->stack_depth; 31072435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes VLOG(jdwp) << "Single-step dex_pc values:"; 3108bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz for (uint32_t dex_pc : single_step_control->dex_pcs) { 3109bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz VLOG(jdwp) << StringPrintf(" %#x", dex_pc); 31102435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31112435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes } 31122435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes 31132435a5751431152aaeaa2faaa86b2a30d3eecfe3Elliott Hughes return JDWP::ERR_NONE; 3114872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3115872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 311661b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertzvoid Dbg::UnconfigureStep(JDWP::ObjectId thread_id) { 311761b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz ScopedObjectAccessUnchecked soa(Thread::Current()); 311861b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 311961b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz Thread* thread; 312061b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz JDWP::JdwpError error = DecodeThread(soa, thread_id, thread); 312187118ed6f3f99e7df33214c277cf200a7b9a7499Sebastien Hertz if (error == JDWP::ERR_NONE) { 312261b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz SingleStepControl* single_step_control = thread->GetSingleStepControl(); 312361b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz DCHECK(single_step_control != nullptr); 3124bb43b433c845e253a11346f0f03706d58a44f23cSebastien Hertz single_step_control->Clear(); 312561b7f1b05d1fe12d4009316263bf990903e4edffSebastien Hertz } 3126872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3127872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 312845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughesstatic char JdwpTagToShortyChar(JDWP::JdwpTag tag) { 312945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes switch (tag) { 313045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes default: 313145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes LOG(FATAL) << "unknown JDWP tag: " << PrintableChar(tag); 313245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 313345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Primitives. 313445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BYTE: return 'B'; 313545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CHAR: return 'C'; 313645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_FLOAT: return 'F'; 313745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_DOUBLE: return 'D'; 313845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_INT: return 'I'; 313945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_LONG: return 'J'; 314045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_SHORT: return 'S'; 314145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_VOID: return 'V'; 314245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_BOOLEAN: return 'Z'; 314345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 314445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Reference types. 314545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_ARRAY: 314645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_OBJECT: 314745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_STRING: 314845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD: 314945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_THREAD_GROUP: 315045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_LOADER: 315145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes case JDWP::JT_CLASS_OBJECT: 315245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return 'L'; 315345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 315445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes} 315545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 315688d630950cb5c6a1cb6457ce03a17c074ae13628Elliott HughesJDWP::JdwpError Dbg::InvokeMethod(JDWP::ObjectId thread_id, JDWP::ObjectId object_id, 315788d630950cb5c6a1cb6457ce03a17c074ae13628Elliott Hughes JDWP::RefTypeId class_id, JDWP::MethodId method_id, 315800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers uint32_t arg_count, uint64_t* arg_values, 315900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* arg_types, uint32_t options, 316000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::JdwpTag* pResultTag, uint64_t* pResultValue, 316100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers JDWP::ObjectId* pExceptionId) { 3162d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes ThreadList* thread_list = Runtime::Current()->GetThreadList(); 3163d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3164d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes Thread* targetThread = NULL; 3165d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes DebugInvokeReq* req = NULL; 316600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 3167d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 316800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 316950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 3170221229cb523f849f165fdafbf9785010963715daElliott Hughes JDWP::JdwpError error = DecodeThread(soa, thread_id, targetThread); 3171221229cb523f849f165fdafbf9785010963715daElliott Hughes if (error != JDWP::ERR_NONE) { 3172221229cb523f849f165fdafbf9785010963715daElliott Hughes LOG(ERROR) << "InvokeMethod request for invalid thread id " << thread_id; 3173221229cb523f849f165fdafbf9785010963715daElliott Hughes return error; 3174d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3175d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes req = targetThread->GetInvokeReq(); 3176d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (!req->ready) { 3177d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << "InvokeMethod request for thread not stopped by event: " << *targetThread; 3178d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return JDWP::ERR_INVALID_THREAD; 3179d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3180d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3181d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3182d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We currently have a bug where we don't successfully resume the 3183d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * target thread if the suspend count is too deep. We're expected to 3184d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * require one "resume" for each "suspend", but when asked to execute 3185d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a method we have to resume fully and then re-suspend it back to the 3186d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * same level. (The easiest way to cause this is to type "suspend" 3187d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * multiple times in jdb.) 3188d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3189d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * It's unclear what this means when the event specifies "resume all" 3190d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * and some threads are suspended more deeply than others. This is 3191d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * a rare problem, so for now we just prevent it from hanging forever 3192d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * by rejecting the method invocation request. Without this, we will 3193d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * be stuck waiting on a suspended thread. 3194d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 319500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers int suspend_count; 319600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 319750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu2(soa.Self(), *Locks::thread_suspend_count_lock_); 319800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers suspend_count = targetThread->GetSuspendCount(); 319900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 3200d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (suspend_count > 1) { 3201d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes LOG(ERROR) << *targetThread << " suspend count too deep for method invocation: " << suspend_count; 32027934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return JDWP::ERR_THREAD_SUSPENDED; // Probably not expected here. 3203d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3204d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 32053f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes JDWP::JdwpError status; 32062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* receiver = gRegistry->Get<mirror::Object*>(object_id); 320764f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (receiver == ObjectRegistry::kInvalidObject) { 32083f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 32093f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 321045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 32112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Object* thread = gRegistry->Get<mirror::Object*>(thread_id); 321264f574f474aa77c72778640ab21f8cfa72546812Elliott Hughes if (thread == ObjectRegistry::kInvalidObject) { 32133f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 32143f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 321545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // TODO: check that 'thread' is actually a java.lang.Thread! 321645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 32172dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = DecodeClass(class_id, status); 321845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (c == NULL) { 32193f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes return status; 32203f4d58f4a39f60057ebf8ea92340ddb78317ae51Elliott Hughes } 322145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3222ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = FromMethodId(method_id); 322345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic() != (receiver == NULL)) { 322445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 322545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 322645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->IsStatic()) { 322745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (m->GetDeclaringClass() != c) { 322845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 322945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 323045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } else { 323145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (!m->GetDeclaringClass()->IsAssignableFrom(c)) { 323245651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_INVALID_METHODID; 323345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 323445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 323545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 323645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes // Check the argument list matches the method. 323745651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes MethodHelper mh(m); 323845651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (mh.GetShortyLength() - 1 != arg_count) { 323945651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 324045651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 324145651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes const char* shorty = mh.GetShorty(); 32420920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes const DexFile::TypeList* types = mh.GetParameterTypeList(); 324345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes for (size_t i = 0; i < arg_count; ++i) { 324445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes if (shorty[i + 1] != JdwpTagToShortyChar(arg_types[i])) { 324545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 324645651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 32470920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 32480920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes if (shorty[i + 1] == 'L') { 32490920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes // Did we really get an argument of an appropriate reference type? 32500920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes mirror::Class* parameter_type = mh.GetClassFromTypeIdx(types->GetTypeItem(i).type_idx_); 32510920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes mirror::Object* argument = gRegistry->Get<mirror::Object*>(arg_values[i]); 32520920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes if (argument == ObjectRegistry::kInvalidObject) { 32530920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_INVALID_OBJECT; 32540920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 32550630ab5239a7d7be24dedbc3f66c822332446fc3Sebastien Hertz if (argument != NULL && !argument->InstanceOf(parameter_type)) { 32560920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes return JDWP::ERR_ILLEGAL_ARGUMENT; 32570920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 32580920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes 32590920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes // Turn the on-the-wire ObjectId into a jobject. 32600920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes jvalue& v = reinterpret_cast<jvalue&>(arg_values[i]); 32610920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes v.l = gRegistry->GetJObject(arg_values[i]); 32620920163b0ee4ce3fbf57db5506659de14b77be75Elliott Hughes } 326345651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 326445651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes 3265d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->receiver = receiver; 3266d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->thread = thread; 3267d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->klass = c; 3268d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->method = m; 3269d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_count = arg_count; 3270d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->arg_values = arg_values; 3271d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->options = options; 3272d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->invoke_needed = true; 3273d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3274d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3275d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // The fact that we've released the thread list lock is a bit risky --- if the thread goes 3276d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // away we're sitting high and dry -- but we must release this before the ResumeAllThreads 3277d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // call, and it's unwise to hold it during WaitForSuspend. 3278d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3279d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3280d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3281d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We change our (JDWP thread) status, which should be THREAD_RUNNING, 328281ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * so we can suspend for a GC if the invoke request causes us to 3283d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * run out of memory. It's also a good idea to change it before locking 3284d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the invokeReq mutex, although that should never be held for long. 3285d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 328600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSend); 3287d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 32884dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Transferring control to event thread"; 3289d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes { 3290d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz MutexLock mu(self, req->lock); 3291d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3292d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 32934dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming all threads"; 329400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->UndoDebuggerSuspensions(); 3295d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 32964dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread only"; 3297d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3298d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3299d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3300d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Wait for the request to finish executing. 3301d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz while (req->invoke_needed) { 3302d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz req->cond.Wait(self); 3303d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3304d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 33054dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Control has returned from event thread"; 3306d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3307d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* wait for thread to re-suspend itself */ 3308df62950e7a32031b82360c407d46a37b94188fbbBrian Carlstrom SuspendThread(thread_id, false /* request_suspension */); 330900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 3310d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3311d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3312d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3313d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Suspend the threads. We waited for the target thread to suspend 3314d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * itself, so all we need to do is suspend the others. 3315d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3316d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * The suspendAllThreads() call will double-suspend the event thread, 3317d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * so we want to resume the target thread once to keep the books straight. 3318d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3319d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if ((options & JDWP::INVOKE_SINGLE_THREADED) == 0) { 332000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kWaitingForDebuggerSuspension); 33214dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Suspending all threads"; 332200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers thread_list->SuspendAllForDebugger(); 332300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 33244dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " Resuming event thread to balance the count"; 3325d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes thread_list->Resume(targetThread, true); 3326d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3327d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3328d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Copy the result. 3329d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pResultTag = req->result_tag; 3330d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (IsPrimitiveTag(req->result_tag)) { 3331f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = req->result_value.GetJ(); 3332d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else { 3333f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes *pResultValue = gRegistry->Add(req->result_value.GetL()); 3334d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3335d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes *pExceptionId = req->exception; 3336d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes return req->error; 3337872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3338872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3339872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::ExecuteMethod(DebugInvokeReq* pReq) { 334000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 3341d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 334281ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes // We can be called while an exception is pending. We need 3343d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // to preserve that across the method invocation. 334462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SirtRef<mirror::Object> old_throw_this_object(soa.Self(), NULL); 3345ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom SirtRef<mirror::ArtMethod> old_throw_method(soa.Self(), NULL); 334662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers SirtRef<mirror::Throwable> old_exception(soa.Self(), NULL); 334762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers uint32_t old_throw_dex_pc; 334862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers { 334962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation old_throw_location; 335062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* old_exception_obj = soa.Self()->GetException(&old_throw_location); 335162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_this_object.reset(old_throw_location.GetThis()); 335262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_method.reset(old_throw_location.GetMethod()); 335362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_exception.reset(old_exception_obj); 335462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc = old_throw_location.GetDexPc(); 335562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 335662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers } 3357d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3358d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes // Translate the method through the vtable, unless the debugger wants to suppress it. 3359c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::ArtMethod> m(soa.Self(), pReq->method); 3360d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz if ((pReq->options & JDWP::INVOKE_NONVIRTUAL) == 0 && pReq->receiver != NULL) { 336183a47d8a950867da833dfb5c3d8ddfb3d87a8cfeSebastien Hertz mirror::ArtMethod* actual_method = pReq->klass->FindVirtualMethodForVirtualOrInterface(m.get()); 3362c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier if (actual_method != m.get()) { 3363c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier VLOG(jdwp) << "ExecuteMethod translated " << PrettyMethod(m.get()) << " to " << PrettyMethod(actual_method); 3364c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier m.reset(actual_method); 336545651fde99f52546e71241bb0e8a10d16a9f216aElliott Hughes } 3366d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3367c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier VLOG(jdwp) << "ExecuteMethod " << PrettyMethod(m.get()) 3368d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " receiver=" << pReq->receiver 3369d38667a055d507492fd05f78519a7e1f0b85ea03Sebastien Hertz << " arg_count=" << pReq->arg_count; 3370c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier CHECK(m.get() != nullptr); 3371d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3372d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes CHECK_EQ(sizeof(jvalue), sizeof(uint64_t)); 3373d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 337483a47d8a950867da833dfb5c3d8ddfb3d87a8cfeSebastien Hertz pReq->result_value = InvokeWithJValues(soa, pReq->receiver, soa.EncodeMethod(m.get()), 337553b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers reinterpret_cast<jvalue*>(pReq->arg_values)); 3376d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 337762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 337862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 337962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers pReq->exception = gRegistry->Add(exception); 3380c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier pReq->result_tag = BasicTagFromDescriptor(MethodHelper(m.get()).GetShorty()); 3381d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (pReq->exception != 0) { 338262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers VLOG(jdwp) << " JDWP invocation returning with exception=" << exception 338362d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << " " << exception->Dump(); 3384f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes pReq->result_value.SetJ(0); 3385d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } else if (pReq->result_tag == JDWP::JT_OBJECT) { 3386d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* if no exception thrown, examine object result more closely */ 33879837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers JDWP::JdwpTag new_tag = TagFromObject(soa, pReq->result_value.GetL()); 3388d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (new_tag != pReq->result_tag) { 33894dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << " JDWP promoted result from " << pReq->result_tag << " to " << new_tag; 3390d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes pReq->result_tag = new_tag; 3391d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3392d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3393d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes /* 3394d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * Register the object. We don't actually need an ObjectId yet, 3395d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * but we do need to be sure that the GC won't move or discard the 3396d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * object when we switch out of RUNNING. The ObjectId conversion 3397d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * will add the object to the "do not touch" list. 3398d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * 3399d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * We can't use the "tracked allocation" mechanism here because 3400d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes * the object is going to be handed off to a different thread. 3401d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes */ 3402f24d3cedd395690f6904aaac80f84a100420f7a3Elliott Hughes gRegistry->Add(pReq->result_value.GetL()); 3403d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3404d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes 3405d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes if (old_exception.get() != NULL) { 340662d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers ThrowLocation gc_safe_throw_location(old_throw_this_object.get(), old_throw_method.get(), 340762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers old_throw_dex_pc); 340862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->SetException(gc_safe_throw_location, old_exception.get()); 3409d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes } 3410872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3411872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3412d07986fad0d08cdf05505cf9230714a2cf0dd9aeElliott Hughes/* 34134b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes * "request" contains a full JDWP packet, possibly with multiple chunks. We 3414f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * need to process each, accumulate the replies, and ship the whole thing 3415f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * back. 3416f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3417f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Returns "true" if we have a reply. The reply buffer is newly allocated, 3418f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * and includes the chunk type/length, followed by the data. 3419f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 34203d30d9b09c16542d41554aad9f46ec9109ba5cb5Elliott Hughes * OLD-TODO: we currently assume that the request and reply include a single 3421f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * chunk. If this becomes inconvenient we will need to adapt. 3422f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 34234b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughesbool Dbg::DdmHandlePacket(JDWP::Request& request, uint8_t** pReplyBuf, int* pReplyLen) { 3424f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes Thread* self = Thread::Current(); 3425f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes JNIEnv* env = self->GetJniEnv(); 3426f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 34274b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t type = request.ReadUnsigned32("type"); 34284b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes uint32_t length = request.ReadUnsigned32("length"); 34294b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes 34304b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes // Create a byte[] corresponding to 'request'. 34314b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes size_t request_length = request.size(); 34324b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes ScopedLocalRef<jbyteArray> dataArray(env, env->NewByteArray(request_length)); 34336a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (dataArray.get() == NULL) { 34344b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes LOG(WARNING) << "byte[] allocation failed: " << request_length; 3435f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3436f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3437f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 34384b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes env->SetByteArrayRegion(dataArray.get(), 0, request_length, reinterpret_cast<const jbyte*>(request.data())); 34394b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes request.Skip(request_length); 3440f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3441f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Run through and find all chunks. [Currently just find the first.] 34426a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ScopedByteArrayRO contents(env, dataArray.get()); 34434b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes if (length != request_length) { 3444ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers LOG(WARNING) << StringPrintf("bad chunk found (len=%u pktLen=%zd)", length, request_length); 3445f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3446f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3447f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3448f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes // Call "private static Chunk dispatch(int type, byte[] data, int offset, int length)". 3449eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jobject> chunk(env, env->CallStaticObjectMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3450eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_dispatch, 34514b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes type, dataArray.get(), 0, length)); 3452f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (env->ExceptionCheck()) { 3453f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(INFO) << StringPrintf("Exception thrown by dispatcher for 0x%08x", type); 3454f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionDescribe(); 3455f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes env->ExceptionClear(); 3456f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3457f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3458f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 34596a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (chunk.get() == NULL) { 3460f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3461f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3462f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3463f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes /* 3464f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * Pull the pieces out of the chunk. We copy the results into a 3465f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * newly-allocated buffer that the caller can free. We don't want to 3466f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * continue using the Chunk object because nothing has a reference to it. 3467f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3468f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * We could avoid this by returning type/data/offset/length and having 3469f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * the caller be aware of the object lifetime issues, but that 347081ff3184e7eb8de4605c7646674ea4f9fa29b5f3Elliott Hughes * integrates the JDWP code more tightly into the rest of the runtime, and doesn't work 3471f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * if we have responses for multiple chunks. 3472f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * 3473f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes * So we're pretty much stuck with copying data around multiple times. 3474f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes */ 3475eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes ScopedLocalRef<jbyteArray> replyData(env, reinterpret_cast<jbyteArray>(env->GetObjectField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_data))); 34764b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes jint offset = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_offset); 3477eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes length = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_length); 3478eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes type = env->GetIntField(chunk.get(), WellKnownClasses::org_apache_harmony_dalvik_ddmc_Chunk_type); 3479f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 34804dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << StringPrintf("DDM reply: type=0x%08x data=%p offset=%d length=%d", type, replyData.get(), offset, length); 34816a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (length == 0 || replyData.get() == NULL) { 3482f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3483f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3484f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 34854b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes const int kChunkHdrLen = 8; 3486f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes uint8_t* reply = new uint8_t[length + kChunkHdrLen]; 3487f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes if (reply == NULL) { 3488f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes LOG(WARNING) << "malloc failed: " << (length + kChunkHdrLen); 3489f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return false; 3490f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes } 3491f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 0, type); 3492f7c3b6625d710a8700325eea447f65e9f963b7f2Elliott Hughes JDWP::Set4BE(reply + 4, length); 34936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes env->GetByteArrayRegion(replyData.get(), offset, length, reinterpret_cast<jbyte*>(reply + kChunkHdrLen)); 3494f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 3495f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyBuf = reply; 3496f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes *pReplyLen = length + kChunkHdrLen; 3497f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes 34984b9702c6912c6f8745a77f5b5af56e7fe196e7c2Elliott Hughes VLOG(jdwp) << StringPrintf("dvmHandleDdm returning type=%.4s %p len=%d", reinterpret_cast<char*>(reply), reply, length); 3499f6a1e1e44b94221c4e6b063b36921c712a33910bElliott Hughes return true; 3500872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3501872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3502a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::DdmBroadcast(bool connect) { 35034dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Broadcasting DDM " << (connect ? "connect" : "disconnect") << "..."; 350447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 350547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes Thread* self = Thread::Current(); 350650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->GetState() != kRunnable) { 350750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers LOG(ERROR) << "DDM broadcast in thread state " << self->GetState(); 350850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers /* try anyway? */ 350947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 351047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 351147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes JNIEnv* env = self->GetJniEnv(); 351247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes jint event = connect ? 1 /*DdmServer.CONNECTED*/ : 2 /*DdmServer.DISCONNECTED*/; 3513eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes env->CallStaticVoidMethod(WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer, 3514eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes WellKnownClasses::org_apache_harmony_dalvik_ddmc_DdmServer_broadcast, 3515eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes event); 351647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (env->ExceptionCheck()) { 351747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes LOG(ERROR) << "DdmServer.broadcast " << event << " failed"; 351847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionDescribe(); 351947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes env->ExceptionClear(); 352047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 352147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 352247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3523872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmConnected() { 3524a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(true); 3525872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3526872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3527872d4ec7225444d9400d30f9027247deb91012fdElliott Hughesvoid Dbg::DdmDisconnected() { 3528a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::DdmBroadcast(false); 352947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = false; 353047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 353147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 353247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes/* 35338218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes * Send a notification when a thread starts, stops, or changes its name. 353447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * 353547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * Because we broadcast the full set of threads when the notifications are 353647fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes * first enabled, it's possible for "thread" to be actively executing. 353747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes */ 35388218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendThreadNotification(Thread* t, uint32_t type) { 353947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (!gDdmThreadNotification) { 354047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes return; 354147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 354247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 35438218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes if (type == CHUNK_TYPE("THDE")) { 35448218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes uint8_t buf[4]; 3545d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Set4BE(&buf[0], t->GetThreadId()); 35468218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("THDE"), 4, buf); 35478218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes } else { 35488218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes CHECK(type == CHUNK_TYPE("THCR") || type == CHUNK_TYPE("THNM")) << type; 354900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(Thread::Current()); 35502dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers SirtRef<mirror::String> name(soa.Self(), t->GetThreadName(soa)); 355147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes size_t char_count = (name.get() != NULL) ? name->GetLength() : 0; 3552725a957985171d712d5c048cc3d00ff14968784bjeffhao const jchar* chars = (name.get() != NULL) ? name->GetCharArray()->GetData() : NULL; 355347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 355421f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3555d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers JDWP::Append4BE(bytes, t->GetThreadId()); 3556545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::AppendUtf16BE(bytes, chars, char_count); 355721f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), char_count*2 + sizeof(uint32_t)*2); 355821f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(type, bytes); 355947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 356047fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 356147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 356247fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::DdmSetThreadNotification(bool enable) { 356300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Enable/disable thread notifications. 356447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes gDdmThreadNotification = enable; 356547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes if (enable) { 356600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Suspend the VM then post thread start notifications for all threads. Threads attaching will 356700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // see a suspension in progress and block until that ends. They then post their own start 356800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // notification. 356900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers SuspendVM(); 357000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers std::list<Thread*> threads; 357150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 357200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 357350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, *Locks::thread_list_lock_); 357400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers threads = Runtime::Current()->GetThreadList()->GetList(); 357500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 357600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 357750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 357802e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (Thread* thread : threads) { 357902e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier Dbg::DdmSendThreadNotification(thread, CHUNK_TYPE("THCR")); 358000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 358100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 358200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ResumeVM(); 358347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 358447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 358547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 3586a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughesvoid Dbg::PostThreadStartOrStop(Thread* t, uint32_t type) { 3587c0f0933249cf516b37717faa766e1e9808f7c1f8Elliott Hughes if (IsDebuggerActive()) { 3588dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier ScopedObjectAccessUnchecked soa(Thread::Current()); 3589cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers JDWP::ObjectId id = gRegistry->Add(t->GetPeer()); 35908218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes gJdwpState->PostThreadChange(id, type == CHUNK_TYPE("THCR")); 359147fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes } 35928218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughes Dbg::DdmSendThreadNotification(t, type); 359347fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 359447fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 359547fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadStart(Thread* t) { 3596a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THCR")); 359747fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes} 359847fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughes 359947fce01c0f27dba716fa6b97242562fbc5c26eeaElliott Hughesvoid Dbg::PostThreadDeath(Thread* t) { 3600a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes Dbg::PostThreadStartOrStop(t, CHUNK_TYPE("THDE")); 3601872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3602872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 36038218847294600bbfcdc041a46c2b579b6e70cf3bElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, size_t byte_count, const uint8_t* buf) { 36043bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes CHECK(buf != NULL); 36053bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes iovec vec[1]; 36063bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_base = reinterpret_cast<void*>(const_cast<uint8_t*>(buf)); 36073bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes vec[0].iov_len = byte_count; 36083bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes Dbg::DdmSendChunkV(type, vec, 1); 3609872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3610872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 361121f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughesvoid Dbg::DdmSendChunk(uint32_t type, const std::vector<uint8_t>& bytes) { 361221f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes DdmSendChunk(type, bytes.size(), &bytes[0]); 361321f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes} 361421f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes 3615f52935278fca8c7aa220543eef4544e3d1105d91Brian Carlstromvoid Dbg::DdmSendChunkV(uint32_t type, const iovec* iov, int iov_count) { 36163bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes if (gJdwpState == NULL) { 36174dd9b4d95eec9db5338fb9bf132f9bb8facf6cf4Elliott Hughes VLOG(jdwp) << "Debugger thread not active, ignoring DDM send: " << type; 36183bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } else { 3619cccd84f1f972f1a260c3be418c8388a5d30cf59eElliott Hughes gJdwpState->DdmSendChunkV(type, iov, iov_count); 36203bb81563481d02b5a6349b8ed918392454e761d8Elliott Hughes } 3621872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} 3622872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes 3623767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesint Dbg::DdmHandleHpifChunk(HpifWhen when) { 3624767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when == HPIF_WHEN_NOW) { 36257162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes DdmSendHeapInfo(when); 3626767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3627767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3628767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3629767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPIF_WHEN_NEVER && when != HPIF_WHEN_NEXT_GC && when != HPIF_WHEN_EVERY_GC) { 3630767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpifWhen value: " << static_cast<int>(when); 3631767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3632767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3633767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3634767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpifWhen = when; 3635767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3636767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3637767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3638767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughesbool Dbg::DdmHandleHpsgNhsgChunk(Dbg::HpsgWhen when, Dbg::HpsgWhat what, bool native) { 3639767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (when != HPSG_WHEN_NEVER && when != HPSG_WHEN_EVERY_GC) { 3640767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhen value: " << static_cast<int>(when); 3641767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3642767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3643767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3644767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (what != HPSG_WHAT_MERGED_OBJECTS && what != HPSG_WHAT_DISTINCT_OBJECTS) { 3645767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes LOG(ERROR) << "invalid HpsgWhat value: " << static_cast<int>(what); 3646767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return false; 3647767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3648767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3649767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes if (native) { 3650767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhen = when; 3651767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmNhsgWhat = what; 3652767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } else { 3653767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhen = when; 3654767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes gDdmHpsgWhat = what; 3655767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes } 3656767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes return true; 3657767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3658767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 36597162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughesvoid Dbg::DdmSendHeapInfo(HpifWhen reason) { 36607162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes // If there's a one-shot 'when', reset it. 36617162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (reason == gDdmHpifWhen) { 36627162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes if (gDdmHpifWhen == HPIF_WHEN_NEXT_GC) { 36637162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes gDdmHpifWhen = HPIF_WHEN_NEVER; 36647162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 36657162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes } 36667162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes 36677162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes /* 36687162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Chunk HPIF (client --> server) 36697162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 36707162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * Heap Info. General information about the heap, 36717162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * suitable for a summary display. 36727162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 36737162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: number of heaps 36747162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * 36757162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * For each heap: 36767162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: heap ID 36777162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u8]: timestamp in ms since Unix epoch 36787162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u1]: capture reason (same as 'when' value from server) 36797162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: max heap size in bytes (-Xmx) 36807162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current heap size in bytes 36817162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of bytes allocated 36827162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes * [u4]: current number of objects allocated 36837162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes */ 36847162ad937f5f6bec32bf78d4675ff65cd6d1a233Elliott Hughes uint8_t heap_count = 1; 36851d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 368621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes std::vector<uint8_t> bytes; 3687545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append4BE(bytes, heap_count); 36887934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 1); // Heap id (bogus; we only have one heap). 3689545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append8BE(bytes, MilliTime()); 3690545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes JDWP::Append1BE(bytes, reason); 36917934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetMaxMemory()); // Max allowed heap size in bytes. 36927934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, heap->GetTotalMemory()); // Current heap size in bytes. 3693b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetBytesAllocated()); 3694b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes JDWP::Append4BE(bytes, heap->GetObjectsAllocated()); 369521f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes CHECK_EQ(bytes.size(), 4U + (heap_count * (4 + 8 + 1 + 4 + 4 + 4 + 4))); 369621f32d704a21bcd67d7b87b149b6314ff92946cbElliott Hughes Dbg::DdmSendChunk(CHUNK_TYPE("HPIF"), bytes); 3697767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3698767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 36996a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgSolidity { 37006a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FREE = 0, 37016a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_HARD = 1, 37026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SOFT = 2, 37036a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_WEAK = 3, 37046a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_PHANTOM = 4, 37056a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_FINALIZABLE = 5, 37066a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes SOLIDITY_SWEEP = 6, 37076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 37086a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37096a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesenum HpsgKind { 37106a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_OBJECT = 0, 37116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_CLASS_OBJECT = 1, 37126a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_1 = 2, 37136a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_2 = 3, 37146a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_4 = 4, 37156a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_ARRAY_8 = 5, 37166a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_UNKNOWN = 6, 37176a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes KIND_NATIVE = 7, 37186a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes}; 37196a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37206a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_PARTIAL (1<<7) 37216a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes#define HPSG_STATE(solidity, kind) ((uint8_t)((((kind) & 0x7) << 3) | ((solidity) & 0x7))) 37226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 372330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogersclass HeapChunkContext { 372430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers public: 37256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Maximum chunk size. Obtain this from the formula: 37266a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // (((maximum_heap_size / ALLOCATION_UNIT_SIZE) + 255) / 256) * 2 37276a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes HeapChunkContext(bool merge, bool native) 372830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers : buf_(16384 - 16), 372930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_(0), 373030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers merge_(merge) { 37316a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 37326a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (native) { 373330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = CHUNK_TYPE("NHSG"); 37346a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 373530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers type_ = merge ? CHUNK_TYPE("HPSG") : CHUNK_TYPE("HPSO"); 37366a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37376a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37386a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes ~HeapChunkContext() { 374030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (p_ > &buf_[0]) { 37416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Flush(); 37426a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37436a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37446a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void EnsureHeader(const void* chunk_ptr) { 374630fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers if (!needHeader_) { 37476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 37486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37496a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Start a new HPSx chunk. 37517934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 1); // Heap id (bogus; we only have one heap). 37527934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write1BE(&p_, 8); // Size of allocation unit, in bytes. 37536a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 37547934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, reinterpret_cast<uintptr_t>(chunk_ptr)); // virtual address of segment start. 37557934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Write4BE(&p_, 0); // offset of this piece (relative to the virtual address). 37566a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // [u4]: length of piece, in allocation units 37576a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // We won't know this until we're done, so save the offset and stuff in a dummy value. 375830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = p_; 375930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Write4BE(&p_, 0x55555555); 376030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = false; 37616a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37626a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3763b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers void Flush() SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 3764d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers if (pieceLenField_ == NULL) { 3765d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers // Flush immediately post Reset (maybe back-to-back Flush). Ignore. 3766d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers CHECK(needHeader_); 3767d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers return; 3768d636b0623307a379e255a9aaa682c12a2acc3a92Ian Rogers } 37696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Patch the "length of piece" field. 377030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(&buf_[0], pieceLenField_); 377130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers CHECK_LE(pieceLenField_, p_); 377230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers JDWP::Set4BE(pieceLenField_, totalAllocationUnits_); 37736a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 377430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers Dbg::DdmSendChunk(type_, p_ - &buf_[0], &buf_[0]); 37756a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Reset(); 37766a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 377800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers static void HeapChunkCallback(void* start, void* end, size_t used_bytes, void* arg) 3779b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 3780b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 378130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers reinterpret_cast<HeapChunkContext*>(arg)->HeapChunkCallback(start, end, used_bytes); 3782a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 3783a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 37846a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes private: 3785a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes enum { ALLOCATION_UNIT_SIZE = 8 }; 3786a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 37876a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes void Reset() { 378830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers p_ = &buf_[0]; 378915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 379030fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers totalAllocationUnits_ = 0; 379130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers needHeader_ = true; 379230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers pieceLenField_ = NULL; 37936a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 37946a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 379500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers void HeapChunkCallback(void* start, void* /*end*/, size_t used_bytes) 3796b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::heap_bitmap_lock_, 3797b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers Locks::mutator_lock_) { 379830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // Note: heap call backs cannot manipulate the heap upon which they are crawling, care is taken 379930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers // in the following code not to allocate memory, by ensuring buf_ is of the correct size 380015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (used_bytes == 0) { 380115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start == NULL) { 380215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Reset for start of new heap. 380315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 380415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 380515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 380615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Only process in use memory so that free region information 380715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // also includes dlmalloc book keeping. 3808a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return; 3809a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 38106a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 381115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers /* If we're looking at the native heap, we'll just return 381215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers * (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks 381315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers */ 381415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool native = type_ == CHUNK_TYPE("NHSG"); 381515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 381615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (startOfNextMemoryChunk_ != NULL) { 381715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Transmit any pending free memory. Native free memory of 381815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // over kMaxFreeLen could be because of the use of mmaps, so 381915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // don't report. If not free memory then start a new segment. 382015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bool flush = true; 382115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (start > startOfNextMemoryChunk_) { 382215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t kMaxFreeLen = 2 * kPageSize; 382315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeStart = startOfNextMemoryChunk_; 382415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* freeEnd = start; 38252d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom size_t freeLen = reinterpret_cast<char*>(freeEnd) - reinterpret_cast<char*>(freeStart); 382615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (!native || freeLen < kMaxFreeLen) { 382715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(HPSG_STATE(SOLIDITY_FREE, 0), freeStart, freeLen); 382815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers flush = false; 382915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 383015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 383115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (flush) { 383215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers startOfNextMemoryChunk_ = NULL; 383315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 383415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 383515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 3836ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::Object* obj = reinterpret_cast<mirror::Object*>(start); 3837a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 3838a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Determine the type of this chunk. 3839a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // OLD-TODO: if context.merge, see if this chunk is different from the last chunk. 3840a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If it's the same, we should combine them. 384115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers uint8_t state = ExamineObject(obj, native); 384215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // dlmalloc's chunk header is 2 * sizeof(size_t), but if the previous chunk is in use for an 384315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // allocation then the first sizeof(size_t) may belong to it. 384415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers const size_t dlMallocOverhead = sizeof(size_t); 384515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers AppendChunk(state, start, used_bytes + dlMallocOverhead); 38462d88862f0752a7a0e65145b088f49dabd49d4284Brian Carlstrom startOfNextMemoryChunk_ = reinterpret_cast<char*>(start) + used_bytes + dlMallocOverhead; 384715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 384815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers 384915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void AppendChunk(uint8_t state, void* ptr, size_t length) 3850b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 385115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Make sure there's enough room left in the buffer. 385215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // We need to use two bytes for every fractional 256 allocation units used by the chunk plus 385315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // 17 bytes for any header. 385415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t needed = (((length/ALLOCATION_UNIT_SIZE + 255) / 256) * 2) + 17; 385515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers size_t bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 385615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 385715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers Flush(); 385815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 3859a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes 386015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers bytesLeft = buf_.size() - (size_t)(p_ - &buf_[0]); 386115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers if (bytesLeft < needed) { 386215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(WARNING) << "Chunk is too big to transmit (chunk_len=" << length << ", " 386315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers << needed << " bytes)"; 386415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return; 386515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 386615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers EnsureHeader(ptr); 3867a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // Write out the chunk description. 386815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length /= ALLOCATION_UNIT_SIZE; // Convert to allocation units. 386915bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers totalAllocationUnits_ += length; 387015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers while (length > 256) { 387130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state | HPSG_PARTIAL; 387230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = 255; // length - 1 387315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers length -= 256; 3874a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 387530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers *p_++ = state; 387615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers *p_++ = length - 1; 38776a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38786a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3879ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint8_t ExamineObject(mirror::Object* o, bool is_native_heap) 3880ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_, Locks::heap_bitmap_lock_) { 3881a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o == NULL) { 3882a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_FREE, 0); 3883a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 38846a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3885a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // It's an allocated chunk. Figure out what it is. 38866a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3887a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // If we're looking at the native heap, we'll just return 3888a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // (SOLIDITY_HARD, KIND_NATIVE) for all allocated chunks. 388900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (is_native_heap) { 3890a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 38916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 38926a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 38935bfa60ffcc953340feb711ed05cf576ac821905eIan Rogers if (!Runtime::Current()->GetHeap()->IsLiveObjectLocked(o)) { 389415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return HPSG_STATE(SOLIDITY_HARD, KIND_NATIVE); 389500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 389600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 38972dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* c = o->GetClass(); 3898a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c == NULL) { 3899a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes // The object was probably just created but hasn't been initialized yet. 3900a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 3901a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39026a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3903590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (!Runtime::Current()->GetHeap()->IsValidObjectAddress(c)) { 390415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(ERROR) << "Invalid class for managed heap object: " << o << " " << c; 3905a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_UNKNOWN); 3906a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39076a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3908a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsClassClass()) { 3909a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_CLASS_OBJECT); 39106a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39116a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3912a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (c->IsArrayClass()) { 3913a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (o->IsObjectArray()) { 3914a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 3915a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 3916a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes switch (c->GetComponentSize()) { 3917a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 1: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_1); 3918a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 2: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_2); 3919a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 4: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_4); 3920a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes case 8: return HPSG_STATE(SOLIDITY_HARD, KIND_ARRAY_8); 3921a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39226a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39236a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3924a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes return HPSG_STATE(SOLIDITY_HARD, KIND_OBJECT); 39256a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39266a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 392730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers std::vector<uint8_t> buf_; 392830fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* p_; 392930fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint8_t* pieceLenField_; 393015bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers void* startOfNextMemoryChunk_; 393130fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers size_t totalAllocationUnits_; 393230fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers uint32_t type_; 393330fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool merge_; 393430fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers bool needHeader_; 393530fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers 3936a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes DISALLOW_COPY_AND_ASSIGN(HeapChunkContext); 3937a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes}; 39386a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39396a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughesvoid Dbg::DdmSendHeapSegments(bool native) { 39406a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhen when; 39416a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::HpsgWhat what; 39426a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (!native) { 39436a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmHpsgWhen; 39446a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmHpsgWhat; 39456a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } else { 39466a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes when = gDdmNhsgWhen; 39476a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes what = gDdmNhsgWhat; 39486a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39496a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes if (when == HPSG_WHEN_NEVER) { 39506a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes return; 39516a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes } 39526a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39536a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Figure out what kind of chunks we'll be sending. 39546a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes CHECK(what == HPSG_WHAT_MERGED_OBJECTS || what == HPSG_WHAT_DISTINCT_OBJECTS) << static_cast<int>(what); 39556a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 39566a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // First, send a heap start chunk. 39576a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes uint8_t heap_id[4]; 39587934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Set4BE(&heap_id[0], 1); // Heap id (bogus; we only have one heap). 39596a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHST") : CHUNK_TYPE("HPST"), sizeof(heap_id), heap_id); 39606a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3961cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Thread* self = Thread::Current(); 3962cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 3963cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // To allow the Walk/InspectAll() below to exclusively-lock the 3964cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock, temporarily release the shared access to the 3965cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // mutator lock here by transitioning to the suspended state. 3966cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 3967cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromRunnableToSuspended(kSuspended); 3968cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 39696a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Send a series of heap segment chunks. 3970a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes HeapChunkContext context((what == HPSG_WHAT_MERGED_OBJECTS), native); 3971a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes if (native) { 39721d54e73444e017d3a65234e0f193846f3e27472bIan Rogers dlmalloc_inspect_all(HeapChunkContext::HeapChunkCallback, &context); 3973a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } else { 39741d54e73444e017d3a65234e0f193846f3e27472bIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 39751d54e73444e017d3a65234e0f193846f3e27472bIan Rogers const std::vector<gc::space::ContinuousSpace*>& spaces = heap->GetContinuousSpaces(); 39761d54e73444e017d3a65234e0f193846f3e27472bIan Rogers typedef std::vector<gc::space::ContinuousSpace*>::const_iterator It; 39771d54e73444e017d3a65234e0f193846f3e27472bIan Rogers for (It cur = spaces.begin(), end = spaces.end(); cur != end; ++cur) { 3978cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi if ((*cur)->IsMallocSpace()) { 3979cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi (*cur)->AsMallocSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 3980b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 3981b062fdd4cb097fbae69b4bcb479c34d83ecab8caMathieu Chartier } 3982e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier // Walk the large objects, these are not in the AllocSpace. 3983e0f0cb3d855cb5e926452b5e1ec8457adc4e454eMathieu Chartier heap->GetLargeObjectsSpace()->Walk(HeapChunkContext::HeapChunkCallback, &context); 3984a215526d5c789cbef0f81a1f9aba22541a841ccaElliott Hughes } 39856a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes 3986cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi // Shared-lock the mutator lock back. 3987cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi self->TransitionFromSuspendedToRunnable(); 3988cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi Locks::mutator_lock_->AssertSharedHeld(self); 3989cf58d4adf461eb9b8e84baa8019054c88cd8acc6Hiroshi Yamauchi 39906a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes // Finally, send a heap end chunk. 39916a5bd495ff2f614f1495f652c86f3902d3bde537Elliott Hughes Dbg::DdmSendChunk(native ? CHUNK_TYPE("NHEN") : CHUNK_TYPE("HPEN"), sizeof(heap_id), heap_id); 3992767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes} 3993767a147529da3ee8240f3ce4cd3af22ae454be64Elliott Hughes 3994b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughesstatic size_t GetAllocTrackerMax() { 3995b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#ifdef HAVE_ANDROID_OS 3996b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes // Check whether there's a system property overriding the number of records. 3997b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes const char* propertyName = "dalvik.vm.allocTrackerMax"; 3998b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char allocRecordMaxString[PROPERTY_VALUE_MAX]; 3999b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (property_get(propertyName, allocRecordMaxString, "") > 0) { 4000b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes char* end; 4001b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes size_t value = strtoul(allocRecordMaxString, &end, 10); 4002b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (*end != '\0') { 40033e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 40043e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- invalid"; 4005b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4006b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4007b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes if (!IsPowerOfTwo(value)) { 40083e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk LOG(ERROR) << "Ignoring " << propertyName << " '" << allocRecordMaxString 40093e47a748eb646b8d2fc8e8c4f11b270d9ae2c607Ruben Brunk << "' --- not power of two"; 4010b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4011b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4012b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return value; 4013b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes } 4014b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes#endif 4015b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes return kDefaultNumAllocRecords; 4016b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes} 4017b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes 4018545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::SetAllocTrackingEnabled(bool enabled) { 4019545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (enabled) { 4020b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4021b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4022b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz if (recent_allocation_records_ == NULL) { 4023b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_max_ = GetAllocTrackerMax(); 4024b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz LOG(INFO) << "Enabling alloc tracker (" << alloc_record_max_ << " entries of " 4025b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << kMaxAllocRecordStackDepth << " frames, taking " 4026b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz << PrettySize(sizeof(AllocRecord) * alloc_record_max_) << ")"; 4027b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz alloc_record_head_ = alloc_record_count_ = 0; 4028b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = new AllocRecord[alloc_record_max_]; 4029b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz CHECK(recent_allocation_records_ != NULL); 4030b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4031545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4032fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->InstrumentQuickAllocEntryPoints(); 4033545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } else { 4034fa82427c68b09f4aedbee319dc71579afbfc66f5Ian Rogers Runtime::Current()->GetInstrumentation()->UninstrumentQuickAllocEntryPoints(); 4035b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz { 4036b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4037b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz delete[] recent_allocation_records_; 4038b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz recent_allocation_records_ = NULL; 4039b98063a4d54c5a741152a1eebc262d8e223b3b25Sebastien Hertz } 4040545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4041545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4042545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 40430399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogersstruct AllocRecordStackVisitor : public StackVisitor { 40447a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor(Thread* thread, AllocRecord* record) 4045b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) 40467a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers : StackVisitor(thread, NULL), record(record), depth(0) {} 4047545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 404800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: Enable annotalysis. We know lock is held in constructor, but abstraction confuses 404900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // annotalysis. 405000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers bool VisitFrame() NO_THREAD_SAFETY_ANALYSIS { 4051545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (depth >= kMaxAllocRecordStackDepth) { 4052530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return false; 4053545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4054ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = GetMethod(); 40550399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers if (!m->IsRuntimeMethod()) { 40560399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].method = m; 40570399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].dex_pc = GetDexPc(); 4058530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes ++depth; 4059545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4060530fa005e2944d3b12712f80d974f0e753f568efElliott Hughes return true; 4061545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4062545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4063545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes ~AllocRecordStackVisitor() { 4064545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Clear out any unused stack trace elements. 4065545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (; depth < kMaxAllocRecordStackDepth; ++depth) { 4066545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->stack[depth].method = NULL; 40670399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers record->stack[depth].dex_pc = 0; 4068545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4069545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4070545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4071545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record; 4072545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes size_t depth; 4073545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4074545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 40752dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogersvoid Dbg::RecordAllocation(mirror::Class* type, size_t byte_count) { 4076545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes Thread* self = Thread::Current(); 4077545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes CHECK(self != NULL); 4078545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4079719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 4080545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4081545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4082545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4083545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4084545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Advance and clip. 4085719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (++alloc_record_head_ == alloc_record_max_) { 4086719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers alloc_record_head_ = 0; 4087545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4088545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4089545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the basics. 4090719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[alloc_record_head_]; 4091545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->type = type; 4092545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes record->byte_count = byte_count; 4093d9c4fc94fa618617f94e1de9af5f034549100753Ian Rogers record->thin_lock_id = self->GetThreadId(); 4094545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4095545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // Fill in the stack trace. 40967a22fa657b972e8323692368975bc5a7be1cc0f5Ian Rogers AllocRecordStackVisitor visitor(self, record); 40970399dde18753aa9bd2bd0d7cf60beef154d164a4Ian Rogers visitor.WalkStack(); 4098545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4099719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (alloc_record_count_ < alloc_record_max_) { 4100719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers ++alloc_record_count_; 4101545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4102545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4103545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4104a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// Returns the index of the head element. 4105a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4106a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We point at the most-recently-written record, so if gAllocRecordCount is 1 4107a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// we want to use the current element. Take "head+1" and subtract count 4108a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// from it. 4109a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// 4110a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes// We need to handle underflow in our circular buffer, so we add 4111b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes// gAllocRecordMax and then mask it back down. 4112719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogerssize_t Dbg::HeadIndex() { 4113719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers return (Dbg::alloc_record_head_ + 1 + Dbg::alloc_record_max_ - Dbg::alloc_record_count_) & 4114719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers (Dbg::alloc_record_max_ - 1); 4115545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4116545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4117545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesvoid Dbg::DumpRecentAllocations() { 411800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 4119719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(soa.Self(), *alloc_tracker_lock_); 4120545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (recent_allocation_records_ == NULL) { 4121545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << "Not recording tracked allocations"; 4122545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return; 4123545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4124545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4125545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // "i" is the head of the list. We want to start at the end of the 4126545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // list and move forward to the tail. 4127a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t i = HeadIndex(); 4128719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t count = alloc_record_count_; 4129545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4130719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "Tracked allocations, (head=" << alloc_record_head_ << " count=" << count << ")"; 4131545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes while (count--) { 4132545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes AllocRecord* record = &recent_allocation_records_[i]; 4133545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4134a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(INFO) << StringPrintf(" Thread %-2d %6zd bytes ", record->thin_lock_id, record->byte_count) 4135545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes << PrettyClass(record->type); 4136545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4137545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes for (size_t stack_frame = 0; stack_frame < kMaxAllocRecordStackDepth; ++stack_frame) { 4138ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers mirror::ArtMethod* m = record->stack[stack_frame].method; 4139545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (m == NULL) { 4140545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes break; 4141545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4142545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes LOG(INFO) << " " << PrettyMethod(m) << " line " << record->stack[stack_frame].LineNumber(); 4143545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4144545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4145545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes // pause periodically to help logcat catch up 4146545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if ((count % 5) == 0) { 4147545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes usleep(40000); 4148545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4149545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4150719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4151545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4152545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4153545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 41543b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartiervoid Dbg::UpdateObjectPointers(IsMarkedCallback* callback, void* arg) { 4155719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers if (recent_allocation_records_ != nullptr) { 4156719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(Thread::Current(), *alloc_tracker_lock_); 4157719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t i = HeadIndex(); 4158719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers size_t count = alloc_record_count_; 4159719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers while (count--) { 4160719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers AllocRecord* record = &recent_allocation_records_[i]; 4161719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers DCHECK(record != nullptr); 41623b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier record->UpdateObjectPointers(callback, arg); 4163719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers i = (i + 1) & (alloc_record_max_ - 1); 4164412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4165412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4166412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 41673b05e9ba874449dbff65b01b8781001f7d93eea6Mathieu Chartier gRegistry->UpdateObjectPointers(callback, arg); 4168412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4169412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4170412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4171412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartiervoid Dbg::AllowNewObjectRegistryObjects() { 4172412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 4173412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gRegistry->AllowNewObjects(); 4174412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4175412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4176412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4177412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartiervoid Dbg::DisallowNewObjectRegistryObjects() { 4178412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier if (gRegistry != nullptr) { 4179412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier gRegistry->DisallowNewObjects(); 4180412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier } 4181412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier} 4182412c7fced915fc8d4d5e4166e977d55c809168a6Mathieu Chartier 4183545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughesclass StringTable { 4184545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes public: 4185545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes StringTable() { 4186545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4187545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 41886d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers void Add(const char* s) { 4189545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes table_.insert(s); 4190545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4191545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4192a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t IndexOf(const char* s) const { 419302e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier auto it = table_.find(s); 4194a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes if (it == table_.end()) { 4195a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes LOG(FATAL) << "IndexOf(\"" << s << "\") failed"; 4196a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes } 4197a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes return std::distance(table_.begin(), it); 4198545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4199545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4200a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes size_t Size() const { 4201545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return table_.size(); 4202545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4203545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4204a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes void WriteTo(std::vector<uint8_t>& bytes) const { 420502e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::string& str : table_) { 420602e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const char* s = str.c_str(); 42076d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers size_t s_len = CountModifiedUtf8Chars(s); 42086d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers UniquePtr<uint16_t> s_utf16(new uint16_t[s_len]); 42096d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers ConvertModifiedUtf8ToUtf16(s_utf16.get(), s); 42106d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers JDWP::AppendUtf16BE(bytes, s_utf16.get(), s_len); 4211545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4212545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4213545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4214545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes private: 4215a8f93cbea2a094ac76e29d2ed17b8531b0a12cb6Elliott Hughes std::set<std::string> table_; 4216545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DISALLOW_COPY_AND_ASSIGN(StringTable); 4217545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes}; 4218545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4219280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertzstatic const char* GetMethodSourceFile(MethodHelper* mh) 4220280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 4221280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz DCHECK(mh != nullptr); 4222280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz const char* source_file = mh->GetDeclaringClassSourceFile(); 4223280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz return (source_file != nullptr) ? source_file : ""; 4224280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz} 4225280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz 4226545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes/* 4227545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The data we send to DDMS contains everything we have recorded. 4228545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4229545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * Message header (all values big-endian): 4230545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) message header len (to allow future expansion); includes itself 4231545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) entry header len 4232545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack frame len 4233545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of entries 4234545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) offset to string table from start of message 4235545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of class name strings 4236545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of method name strings 4237545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) number of source file name strings 4238545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each entry: 4239545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (4b) total allocation size 4240221229cb523f849f165fdafbf9785010963715daElliott Hughes * (2b) thread id 4241545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) allocated object's class name index 4242545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (1b) stack depth 4243545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * For each stack frame: 4244545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method's class name 4245545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method name 4246545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) method source file 4247545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (2b) line number, clipped to 32767; -2 if native; -1 if no source 4248545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) class name strings 4249545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) method name strings 4250545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * (xb) source file strings 4251545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4252545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * As with other DDM traffic, strings are sent as a 4-byte length 4253545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * followed by UTF-16 data. 4254545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4255545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We send up 16-bit unsigned indexes into string tables. In theory there 4256b1a5879d2c87a5af9f8dbd63a112b138b87135e4Elliott Hughes * can be (kMaxAllocRecordStackDepth * gAllocRecordMax) unique strings in 4257545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * each table, but in practice there should be far fewer. 4258545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4259545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * The chief reason for using a string table here is to keep the size of 4260545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * the DDMS message to a minimum. This is partly to make the protocol 4261545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * efficient, but also because we have to form the whole thing up all at 4262545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * once in a memory buffer. 4263545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * 4264545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * We use separate string tables for class names, method names, and source 4265545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * files to keep the indexes small. There will generally be no overlap 4266545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes * between the contents of these tables. 4267545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes */ 4268545a064aca775ba801790fced3d713d8a87bfc61Elliott HughesjbyteArray Dbg::GetRecentAllocations() { 4269545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (false) { 4270545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes DumpRecentAllocations(); 4271545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4272545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 427350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 427446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier std::vector<uint8_t> bytes; 427546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier { 4276719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers MutexLock mu(self, *alloc_tracker_lock_); 427746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 427846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 1: generate string tables. 427946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 428046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable class_names; 428146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable method_names; 428246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier StringTable filenames; 428346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4284719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers int count = alloc_record_count_; 428546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier int idx = HeadIndex(); 428646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 428746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 428846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 428946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.Add(ClassHelper(record->type).GetDescriptor()); 429046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 429146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier MethodHelper mh; 429246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t i = 0; i < kMaxAllocRecordStackDepth; i++) { 4293ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = record->stack[i].method; 429446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier if (m != NULL) { 429546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier mh.ChangeMethod(m); 429646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.Add(mh.GetDeclaringClassDescriptor()); 429746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.Add(mh.GetName()); 4298280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz filenames.Add(GetMethodSourceFile(&mh)); 429946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 430046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 4301545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4302719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 430346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier } 430446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4305719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers LOG(INFO) << "allocation records: " << alloc_record_count_; 430646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 430746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 430846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // Part 2: Generate the output and store it in the buffer. 430946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // 431046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 431146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) message header len (to allow future expansion); includes itself 431246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) entry header len 431346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack frame len 431446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kMessageHeaderLen = 15; 431546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kEntryHeaderLen = 9; 431646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier const int kStackFrameLen = 8; 431746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kMessageHeaderLen); 431846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kEntryHeaderLen); 431946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, kStackFrameLen); 432046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 432146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of entries 432246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) offset to string table from start of message 432346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of class name strings 432446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of method name strings 432546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) number of source file name strings 4326719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers JDWP::Append2BE(bytes, alloc_record_count_); 432746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t string_table_offset = bytes.size(); 43287934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom JDWP::Append4BE(bytes, 0); // We'll patch this later... 432946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_names.Size()); 433046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_names.Size()); 433146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, filenames.Size()); 433246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4333719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers count = alloc_record_count_; 433446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier idx = HeadIndex(); 433546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier while (count--) { 433646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each entry: 433746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (4b) total allocation size 433846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) thread id 433946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) allocated object's class name index 434046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (1b) stack depth 434146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier AllocRecord* record = &recent_allocation_records_[idx]; 434246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t stack_depth = record->GetDepth(); 4343590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ClassHelper kh(record->type); 434446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t allocated_object_class_name_index = class_names.IndexOf(kh.GetDescriptor()); 434546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append4BE(bytes, record->byte_count); 434646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, record->thin_lock_id); 434746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, allocated_object_class_name_index); 434846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append1BE(bytes, stack_depth); 434946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 435046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier MethodHelper mh; 435146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier for (size_t stack_frame = 0; stack_frame < stack_depth; ++stack_frame) { 435246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // For each stack frame: 435346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method's class name 435446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method name 435546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) method source file 435646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (2b) line number, clipped to 32767; -2 if native; -1 if no source 435746e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier mh.ChangeMethod(record->stack[stack_frame].method); 435846e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t class_name_index = class_names.IndexOf(mh.GetDeclaringClassDescriptor()); 435946e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier size_t method_name_index = method_names.IndexOf(mh.GetName()); 4360280286ac8a0e3a30c68be511c8b7a0a4d62936d7Sebastien Hertz size_t file_name_index = filenames.IndexOf(GetMethodSourceFile(&mh)); 436146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, class_name_index); 436246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, method_name_index); 436346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, file_name_index); 436446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Append2BE(bytes, record->stack[stack_frame].LineNumber()); 4365545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 436646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier 4367719d1a33f6569864f529e5a3fff59e7bca97aad0Ian Rogers idx = (idx + 1) & (alloc_record_max_ - 1); 4368545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4369545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 437046e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) class name strings 437146e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) method name strings 437246e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier // (xb) source file strings 437346e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier JDWP::Set4BE(&bytes[string_table_offset], bytes.size()); 437446e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier class_names.WriteTo(bytes); 437546e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier method_names.WriteTo(bytes); 437646e811b07533a4c21f8c9abe22d22d6a3d8b18b0Mathieu Chartier filenames.WriteTo(bytes); 4377545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 437850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers JNIEnv* env = self->GetJniEnv(); 4379545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes jbyteArray result = env->NewByteArray(bytes.size()); 4380545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes if (result != NULL) { 4381545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes env->SetByteArrayRegion(result, 0, bytes.size(), reinterpret_cast<const jbyte*>(&bytes[0])); 4382545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes } 4383545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes return result; 4384545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes} 4385545a064aca775ba801790fced3d713d8a87bfc61Elliott Hughes 4386872d4ec7225444d9400d30f9027247deb91012fdElliott Hughes} // namespace art 4387