jit.cc revision 35122443e5f8606cc5a660ac32745a06aefb341b
1e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier/* 2e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * Copyright 2014 The Android Open Source Project 3e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * 4e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * Licensed under the Apache License, Version 2.0 (the "License"); 5e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * you may not use this file except in compliance with the License. 6e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * You may obtain a copy of the License at 7e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * 8e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * http://www.apache.org/licenses/LICENSE-2.0 9e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * 10e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * Unless required by applicable law or agreed to in writing, software 11e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * distributed under the License is distributed on an "AS IS" BASIS, 12e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * See the License for the specific language governing permissions and 14e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier * limitations under the License. 15e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier */ 16e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 17e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "jit.h" 18e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 19e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include <dlfcn.h> 20e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 21e401d146407d61eeb99f8d6176b2ac13c4df1e33Mathieu Chartier#include "art_method-inl.h" 222a5c4681ba19411c1cb22e9a7ab446dab910af1cAndreas Gampe#include "debugger.h" 23e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "entrypoints/runtime_asm_entrypoints.h" 24e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "interpreter/interpreter.h" 25e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "jit_code_cache.h" 26e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "jit_instrumentation.h" 2731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include "oat_file_manager.h" 28b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray#include "oat_quick_method_header.h" 2931f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle#include "offline_profiling_info.h" 304d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle#include "profile_saver.h" 31e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "runtime.h" 32e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "runtime_options.h" 33b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray#include "stack_map.h" 34e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier#include "utils.h" 35e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 36e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartiernamespace art { 37e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartiernamespace jit { 38e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 39d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffraystatic constexpr bool kEnableOnStackReplacement = true; 40e86621386d18a3a7178af6cfc2c05d1b34c3b995Nicolas Geoffray 41e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu ChartierJitOptions* JitOptions::CreateFromRuntimeArguments(const RuntimeArgumentMap& options) { 42e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier auto* jit_options = new JitOptions; 43455f67c4cf0b4f04e117db3024fd189fa1c7dab9Mathieu Chartier jit_options->use_jit_ = options.GetOrDefault(RuntimeArgumentMap::UseJIT); 440a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray jit_options->code_cache_initial_capacity_ = 450a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray options.GetOrDefault(RuntimeArgumentMap::JITCodeCacheInitialCapacity); 460a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray jit_options->code_cache_max_capacity_ = 470a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray options.GetOrDefault(RuntimeArgumentMap::JITCodeCacheMaxCapacity); 48e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier jit_options->compile_threshold_ = 49e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier options.GetOrDefault(RuntimeArgumentMap::JITCompileThreshold); 50b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray // TODO(ngeoffray): Make this a proper option. 51b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray jit_options->osr_threshold_ = jit_options->compile_threshold_ * 2; 525550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray jit_options->warmup_threshold_ = 535550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray options.GetOrDefault(RuntimeArgumentMap::JITWarmupThreshold); 54a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier jit_options->dump_info_on_shutdown_ = 55a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier options.Exists(RuntimeArgumentMap::DumpJITInfoOnShutdown); 5631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle jit_options->save_profiling_info_ = 5731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle options.GetOrDefault(RuntimeArgumentMap::JITSaveProfilingInfo);; 58e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return jit_options; 59e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 60e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 61a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartiervoid Jit::DumpInfo(std::ostream& os) { 62aee2156e308f3f346ac4df76ba1d33ee9b11be84Nicolas Geoffray os << "JIT code cache size=" << PrettySize(code_cache_->CodeCacheSize()) << "\n" 63aee2156e308f3f346ac4df76ba1d33ee9b11be84Nicolas Geoffray << "JIT data cache size=" << PrettySize(code_cache_->DataCacheSize()) << "\n" 64aee2156e308f3f346ac4df76ba1d33ee9b11be84Nicolas Geoffray << "JIT current capacity=" << PrettySize(code_cache_->GetCurrentCapacity()) << "\n" 650a52223d9173315aeaca05217b8c792b3088ea7dNicolas Geoffray << "JIT number of compiled code=" << code_cache_->NumberOfCompiledCode() << "\n" 66fcdd72941810f03460a8efca0c6255439be80c35Nicolas Geoffray << "JIT total number of compilations=" << code_cache_->NumberOfCompilations() << "\n" 67fcdd72941810f03460a8efca0c6255439be80c35Nicolas Geoffray << "JIT total number of osr compilations=" << code_cache_->NumberOfOsrCompilations() << "\n"; 68a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier cumulative_timings_.Dump(os); 69a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier} 70a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier 71a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartiervoid Jit::AddTimingLogger(const TimingLogger& logger) { 72a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier cumulative_timings_.AddLogger(logger); 73a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier} 74a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier 75a25dce9b452ba17ef7cef768926c884177a3025eNicolas GeoffrayJit::Jit() : jit_library_handle_(nullptr), 76a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray jit_compiler_handle_(nullptr), 77a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray jit_load_(nullptr), 78a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray jit_compile_method_(nullptr), 79a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray dump_info_on_shutdown_(false), 80a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray cumulative_timings_("JIT timings"), 81a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray save_profiling_info_(false), 82a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray generate_debug_info_(false) { 83e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 84e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 85e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu ChartierJit* Jit::Create(JitOptions* options, std::string* error_msg) { 86e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier std::unique_ptr<Jit> jit(new Jit); 87a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier jit->dump_info_on_shutdown_ = options->DumpJitInfoOnShutdown(); 88e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (!jit->LoadCompiler(error_msg)) { 89e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return nullptr; 90e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 910a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray jit->code_cache_.reset(JitCodeCache::Create( 92a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray options->GetCodeCacheInitialCapacity(), 93a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray options->GetCodeCacheMaxCapacity(), 94a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray jit->generate_debug_info_, 95a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray error_msg)); 96e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit->GetCodeCache() == nullptr) { 97e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return nullptr; 98e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 994d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle jit->save_profiling_info_ = options->GetSaveProfilingInfo(); 1000a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray LOG(INFO) << "JIT created with initial_capacity=" 1010a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray << PrettySize(options->GetCodeCacheInitialCapacity()) 1020a3be1620a3560253cfa789cb9819013293c5654Nicolas Geoffray << ", max_capacity=" << PrettySize(options->GetCodeCacheMaxCapacity()) 1034d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle << ", compile_threshold=" << options->GetCompileThreshold() 1044d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle << ", save_profiling_info=" << options->GetSaveProfilingInfo(); 105e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return jit.release(); 106e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 107e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 108e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartierbool Jit::LoadCompiler(std::string* error_msg) { 109e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier jit_library_handle_ = dlopen( 110e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier kIsDebugBuild ? "libartd-compiler.so" : "libart-compiler.so", RTLD_NOW); 111e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit_library_handle_ == nullptr) { 112e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier std::ostringstream oss; 113e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier oss << "JIT could not load libart-compiler.so: " << dlerror(); 114e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier *error_msg = oss.str(); 115e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return false; 116e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 1175b82d339955d1a0dc23eeb8d2d5659459ff987baNicolas Geoffray jit_load_ = reinterpret_cast<void* (*)(bool*)>(dlsym(jit_library_handle_, "jit_load")); 118e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit_load_ == nullptr) { 119e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier dlclose(jit_library_handle_); 120e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier *error_msg = "JIT couldn't find jit_load entry point"; 121e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return false; 122e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 123e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier jit_unload_ = reinterpret_cast<void (*)(void*)>( 124e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier dlsym(jit_library_handle_, "jit_unload")); 125e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit_unload_ == nullptr) { 126e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier dlclose(jit_library_handle_); 127e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier *error_msg = "JIT couldn't find jit_unload entry point"; 128e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return false; 129e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 130b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray jit_compile_method_ = reinterpret_cast<bool (*)(void*, ArtMethod*, Thread*, bool)>( 131e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier dlsym(jit_library_handle_, "jit_compile_method")); 132e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit_compile_method_ == nullptr) { 133e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier dlclose(jit_library_handle_); 134e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier *error_msg = "JIT couldn't find jit_compile_method entry point"; 135e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return false; 136e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 137fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer jit_types_loaded_ = reinterpret_cast<void (*)(void*, mirror::Class**, size_t)>( 138fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer dlsym(jit_library_handle_, "jit_types_loaded")); 139fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer if (jit_types_loaded_ == nullptr) { 140160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer dlclose(jit_library_handle_); 141fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer *error_msg = "JIT couldn't find jit_types_loaded entry point"; 142160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer return false; 143160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer } 144a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray bool will_generate_debug_symbols = false; 145e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier VLOG(jit) << "Calling JitLoad interpreter_only=" 146e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier << Runtime::Current()->GetInstrumentation()->InterpretOnly(); 1475b82d339955d1a0dc23eeb8d2d5659459ff987baNicolas Geoffray jit_compiler_handle_ = (jit_load_)(&will_generate_debug_symbols); 148e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit_compiler_handle_ == nullptr) { 149e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier dlclose(jit_library_handle_); 150e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier *error_msg = "JIT couldn't load compiler"; 151e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return false; 152e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 153a25dce9b452ba17ef7cef768926c884177a3025eNicolas Geoffray generate_debug_info_ = will_generate_debug_symbols; 154e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier return true; 155e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 156e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 157b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffraybool Jit::CompileMethod(ArtMethod* method, Thread* self, bool osr) { 158e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier DCHECK(!method->IsRuntimeMethod()); 159d9994f069dfeaa32ba929ca78816b5b83e2a4134Nicolas Geoffray 16073be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray // Don't compile the method if it has breakpoints. 161d8565456d29f4ad05f11cf84d2d2dac488508e06Mathieu Chartier if (Dbg::IsDebuggerActive() && Dbg::MethodHasAnyBreakpoints(method)) { 162d8565456d29f4ad05f11cf84d2d2dac488508e06Mathieu Chartier VLOG(jit) << "JIT not compiling " << PrettyMethod(method) << " due to breakpoint"; 163d8565456d29f4ad05f11cf84d2d2dac488508e06Mathieu Chartier return false; 164d8565456d29f4ad05f11cf84d2d2dac488508e06Mathieu Chartier } 16573be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray 16673be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray // Don't compile the method if we are supposed to be deoptimized. 16773be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray instrumentation::Instrumentation* instrumentation = Runtime::Current()->GetInstrumentation(); 16873be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray if (instrumentation->AreAllMethodsDeoptimized() || instrumentation->IsDeoptimized(method)) { 169a42363f79832a6e14f348514664dc6dc3edf9da2Nicolas Geoffray VLOG(jit) << "JIT not compiling " << PrettyMethod(method) << " due to deoptimization"; 17073be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray return false; 17173be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray } 17273be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray 173d9994f069dfeaa32ba929ca78816b5b83e2a4134Nicolas Geoffray // If we get a request to compile a proxy method, we pass the actual Java method 174d9994f069dfeaa32ba929ca78816b5b83e2a4134Nicolas Geoffray // of that proxy method, as the compiler does not expect a proxy method. 175d9994f069dfeaa32ba929ca78816b5b83e2a4134Nicolas Geoffray ArtMethod* method_to_compile = method->GetInterfaceMethodIfProxy(sizeof(void*)); 176d9994f069dfeaa32ba929ca78816b5b83e2a4134Nicolas Geoffray if (!code_cache_->NotifyCompilationOf(method_to_compile, self, osr)) { 177b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray VLOG(jit) << "JIT not compiling " << PrettyMethod(method) << " due to code cache"; 17873be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray return false; 17973be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray } 180d9994f069dfeaa32ba929ca78816b5b83e2a4134Nicolas Geoffray bool success = jit_compile_method_(jit_compiler_handle_, method_to_compile, self, osr); 181d9994f069dfeaa32ba929ca78816b5b83e2a4134Nicolas Geoffray code_cache_->DoneCompiling(method_to_compile, self); 18273be1e8f8609708f6624bb297c9628de44fd8b6fNicolas Geoffray return success; 183e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 184e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 185e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartiervoid Jit::CreateThreadPool() { 186e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier CHECK(instrumentation_cache_.get() != nullptr); 187e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier instrumentation_cache_->CreateThreadPool(); 188e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 189e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 190e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartiervoid Jit::DeleteThreadPool() { 191e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (instrumentation_cache_.get() != nullptr) { 192629e9350b0b72998416504f7a6fb95b6086daca8Nicolas Geoffray instrumentation_cache_->DeleteThreadPool(Thread::Current()); 193e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 194e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 195e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 1964d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravlevoid Jit::StartProfileSaver(const std::string& filename, 1974d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle const std::vector<std::string>& code_paths) { 1984d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle if (save_profiling_info_) { 1994d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle ProfileSaver::Start(filename, code_cache_.get(), code_paths); 2004d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle } 2014d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle} 2024d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle 2034d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravlevoid Jit::StopProfileSaver() { 2044d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle if (save_profiling_info_ && ProfileSaver::IsStarted()) { 2054d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle ProfileSaver::Stop(); 20631f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle } 20731f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle} 20831f2c155975c5794d481df03eb0947cb48d2c6b5Calin Juravle 20905d241565f36df825cf56a4f1b61bfb7e4dcb056Siva Chandrabool Jit::JitAtFirstUse() { 21005d241565f36df825cf56a4f1b61bfb7e4dcb056Siva Chandra if (instrumentation_cache_ != nullptr) { 21105d241565f36df825cf56a4f1b61bfb7e4dcb056Siva Chandra return instrumentation_cache_->HotMethodThreshold() == 0; 21205d241565f36df825cf56a4f1b61bfb7e4dcb056Siva Chandra } 21305d241565f36df825cf56a4f1b61bfb7e4dcb056Siva Chandra return false; 21405d241565f36df825cf56a4f1b61bfb7e4dcb056Siva Chandra} 21505d241565f36df825cf56a4f1b61bfb7e4dcb056Siva Chandra 21635122443e5f8606cc5a660ac32745a06aefb341bNicolas Geoffraybool Jit::CanInvokeCompiledCode(ArtMethod* method) { 21735122443e5f8606cc5a660ac32745a06aefb341bNicolas Geoffray return code_cache_->ContainsPc(method->GetEntryPointFromQuickCompiledCode()); 21835122443e5f8606cc5a660ac32745a06aefb341bNicolas Geoffray} 21935122443e5f8606cc5a660ac32745a06aefb341bNicolas Geoffray 220e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu ChartierJit::~Jit() { 2214d77b6a511659f26fdc711e23825ffa6e7feed7aCalin Juravle DCHECK(!save_profiling_info_ || !ProfileSaver::IsStarted()); 222a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier if (dump_info_on_shutdown_) { 223a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier DumpInfo(LOG(INFO)); 224a4885cbaafd35fe9c60eb6cd95e41e2c86f54f66Mathieu Chartier } 225e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier DeleteThreadPool(); 226e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit_compiler_handle_ != nullptr) { 227e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier jit_unload_(jit_compiler_handle_); 228e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 229e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier if (jit_library_handle_ != nullptr) { 230e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier dlclose(jit_library_handle_); 231e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier } 232e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 233e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 234b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffrayvoid Jit::CreateInstrumentationCache(size_t compile_threshold, 235b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray size_t warmup_threshold, 236b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray size_t osr_threshold) { 2375550ca8bcc742b109d77e62f3a0877c667d894d3Nicolas Geoffray instrumentation_cache_.reset( 238b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray new jit::JitInstrumentationCache(compile_threshold, warmup_threshold, osr_threshold)); 239e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} 240e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier 241160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammervoid Jit::NewTypeLoadedIfUsingJit(mirror::Class* type) { 242160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer jit::Jit* jit = Runtime::Current()->GetJit(); 243160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer if (jit != nullptr && jit->generate_debug_info_) { 244fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer DCHECK(jit->jit_types_loaded_ != nullptr); 245fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer jit->jit_types_loaded_(jit->jit_compiler_handle_, &type, 1); 246fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer } 247fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer} 248fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer 249fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammervoid Jit::DumpTypeInfoForLoadedTypes(ClassLinker* linker) { 250fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer struct CollectClasses : public ClassVisitor { 2511aa8ec2ccdd7bedb6d30d91c89f1e94ab23c4439Mathieu Chartier bool operator()(mirror::Class* klass) override { 252fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer classes_.push_back(klass); 253fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer return true; 254fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer } 2559b1c9b761dea9bc48a2994e3d4de46fc10343a25Mathieu Chartier std::vector<mirror::Class*> classes_; 256fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer }; 257fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer 258fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer if (generate_debug_info_) { 259fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer ScopedObjectAccess so(Thread::Current()); 260fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer 261fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer CollectClasses visitor; 262fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer linker->VisitClasses(&visitor); 263fffbee4d158259633ec7b7f712eaf75be86bd4e5Tamas Berghammer jit_types_loaded_(jit_compiler_handle_, visitor.classes_.data(), visitor.classes_.size()); 264160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer } 265160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer} 266160e6df5debaf77223eebddb8a4e3f7c5e729ad0Tamas Berghammer 267b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffrayextern "C" void art_quick_osr_stub(void** stack, 268b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray uint32_t stack_size_in_bytes, 269b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray const uint8_t* native_pc, 270b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray JValue* result, 271b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray const char* shorty, 272b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray Thread* self); 273b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 274b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffraybool Jit::MaybeDoOnStackReplacement(Thread* thread, 275b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray ArtMethod* method, 276b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray uint32_t dex_pc, 277b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray int32_t dex_pc_offset, 278b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray JValue* result) { 279e86621386d18a3a7178af6cfc2c05d1b34c3b995Nicolas Geoffray if (!kEnableOnStackReplacement) { 280e86621386d18a3a7178af6cfc2c05d1b34c3b995Nicolas Geoffray return false; 281e86621386d18a3a7178af6cfc2c05d1b34c3b995Nicolas Geoffray } 282e86621386d18a3a7178af6cfc2c05d1b34c3b995Nicolas Geoffray 283b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray Jit* jit = Runtime::Current()->GetJit(); 284b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray if (jit == nullptr) { 285b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray return false; 286b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray } 287b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 288b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray if (kRuntimeISA == kMips || kRuntimeISA == kMips64) { 289c0b2796ec2056a6ea15c67df1251db250ba7e9a2Nicolas Geoffray VLOG(jit) << "OSR not supported on this platform: " << kRuntimeISA; 290b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray return false; 291b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray } 292b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 293b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray if (UNLIKELY(__builtin_frame_address(0) < thread->GetStackEnd())) { 294b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray // Don't attempt to do an OSR if we are close to the stack limit. Since 295b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray // the interpreter frames are still on stack, OSR has the potential 296b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray // to stack overflow even for a simple loop. 297b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray // b/27094810. 298b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray return false; 299b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray } 300b88d59ef4fe611fe47e50a6a19785e03bbd5f93bNicolas Geoffray 301d9bc433a89c41a255d1b669d075f802597839bdcNicolas Geoffray // Get the actual Java method if this method is from a proxy class. The compiler 302d9bc433a89c41a255d1b669d075f802597839bdcNicolas Geoffray // and the JIT code cache do not expect methods from proxy classes. 303d9bc433a89c41a255d1b669d075f802597839bdcNicolas Geoffray method = method->GetInterfaceMethodIfProxy(sizeof(void*)); 304d9bc433a89c41a255d1b669d075f802597839bdcNicolas Geoffray 305b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray // Cheap check if the method has been compiled already. That's an indicator that we should 306b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray // osr into it. 307b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray if (!jit->GetCodeCache()->ContainsPc(method->GetEntryPointFromQuickCompiledCode())) { 308b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray return false; 309b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray } 310b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 311c0b2796ec2056a6ea15c67df1251db250ba7e9a2Nicolas Geoffray // Fetch some data before looking up for an OSR method. We don't want thread 312c0b2796ec2056a6ea15c67df1251db250ba7e9a2Nicolas Geoffray // suspension once we hold an OSR method, as the JIT code cache could delete the OSR 313c0b2796ec2056a6ea15c67df1251db250ba7e9a2Nicolas Geoffray // method while we are being suspended. 314b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray const size_t number_of_vregs = method->GetCodeItem()->registers_size_; 315d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray const char* shorty = method->GetShorty(); 316d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray std::string method_name(VLOG_IS_ON(jit) ? PrettyMethod(method) : ""); 317d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray void** memory = nullptr; 318d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray size_t frame_size = 0; 319d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray ShadowFrame* shadow_frame = nullptr; 320d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray const uint8_t* native_pc = nullptr; 321b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 322d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray { 323d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray ScopedAssertNoThreadSuspension sts(thread, "Holding OSR method"); 324d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray const OatQuickMethodHeader* osr_method = jit->GetCodeCache()->LookupOsrMethodHeader(method); 325d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray if (osr_method == nullptr) { 326d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // No osr method yet, just return to the interpreter. 327d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray return false; 328d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray } 329b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 330d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray CodeInfo code_info = osr_method->GetOptimizedCodeInfo(); 331d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray StackMapEncoding encoding = code_info.ExtractEncoding(); 332b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 333d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // Find stack map starting at the target dex_pc. 334d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray StackMap stack_map = code_info.GetOsrStackMapForDexPc(dex_pc + dex_pc_offset, encoding); 335d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray if (!stack_map.IsValid()) { 336d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // There is no OSR stack map for this dex pc offset. Just return to the interpreter in the 337d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // hope that the next branch has one. 338d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray return false; 339d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray } 340b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 341d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // We found a stack map, now fill the frame with dex register values from the interpreter's 342d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // shadow frame. 343d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray DexRegisterMap vreg_map = 344d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray code_info.GetDexRegisterMapOf(stack_map, encoding, number_of_vregs); 345d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 346d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray frame_size = osr_method->GetFrameSizeInBytes(); 347d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 348d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // Allocate memory to put shadow frame values. The osr stub will copy that memory to 349d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // stack. 350d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // Note that we could pass the shadow frame to the stub, and let it copy the values there, 351d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // but that is engineering complexity not worth the effort for something like OSR. 352d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray memory = reinterpret_cast<void**>(malloc(frame_size)); 353d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray CHECK(memory != nullptr); 354d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray memset(memory, 0, frame_size); 355d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 356d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // Art ABI: ArtMethod is at the bottom of the stack. 357d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray memory[0] = method; 358d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 359d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray shadow_frame = thread->PopShadowFrame(); 360d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray if (!vreg_map.IsValid()) { 361d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // If we don't have a dex register map, then there are no live dex registers at 362d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // this dex pc. 363d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray } else { 364d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray for (uint16_t vreg = 0; vreg < number_of_vregs; ++vreg) { 365d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray DexRegisterLocation::Kind location = 366d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray vreg_map.GetLocationKind(vreg, number_of_vregs, code_info, encoding); 367d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray if (location == DexRegisterLocation::Kind::kNone) { 368c0b2796ec2056a6ea15c67df1251db250ba7e9a2Nicolas Geoffray // Dex register is dead or uninitialized. 369d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray continue; 370d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray } 371d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 372d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray if (location == DexRegisterLocation::Kind::kConstant) { 373d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray // We skip constants because the compiled code knows how to handle them. 374d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray continue; 375d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray } 376d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 3777dc11782ff0a5dffcd8108f256f8975f0b3e8076David Srbecky DCHECK_EQ(location, DexRegisterLocation::Kind::kInStack); 378d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 379d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray int32_t vreg_value = shadow_frame->GetVReg(vreg); 380d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray int32_t slot_offset = vreg_map.GetStackOffsetInBytes(vreg, 381d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray number_of_vregs, 382d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray code_info, 383d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray encoding); 384d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray DCHECK_LT(slot_offset, static_cast<int32_t>(frame_size)); 385d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray DCHECK_GT(slot_offset, 0); 386d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray (reinterpret_cast<int32_t*>(memory))[slot_offset / sizeof(int32_t)] = vreg_value; 387d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray } 388b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray } 389d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 390d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray native_pc = stack_map.GetNativePcOffset(encoding) + osr_method->GetEntryPoint(); 391d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray VLOG(jit) << "Jumping to " 392d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray << method_name 393d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray << "@" 394d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray << std::hex << reinterpret_cast<uintptr_t>(native_pc); 395b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray } 396b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 397b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray { 398b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray ManagedStack fragment; 399b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray thread->PushManagedStackFragment(&fragment); 400b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray (*art_quick_osr_stub)(memory, 401b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray frame_size, 402b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray native_pc, 403b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray result, 404d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray shorty, 405b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray thread); 406d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray 407b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray if (UNLIKELY(thread->GetException() == Thread::GetDeoptimizationException())) { 408b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray thread->DeoptimizeWithDeoptimizationException(result); 409b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray } 410b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray thread->PopManagedStackFragment(fragment); 411b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray } 412b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray free(memory); 413b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray thread->PushShadowFrame(shadow_frame); 414d186dd8ecb1f25d3786d6b27adcd6b0b9ca04ea0Nicolas Geoffray VLOG(jit) << "Done running OSR code for " << method_name; 415b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray return true; 416b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray} 417b331febbab8e916680faba722cc84b66b84218a3Nicolas Geoffray 418e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} // namespace jit 419e5f13e57ff8fa36342beb33830b3ec5942a61ccaMathieu Chartier} // namespace art 420