compiler_driver.cc revision f6a4cee66a173ee7ef48af5503d9899aa93b3aeb
12faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes/* 22faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Copyright (C) 2011 The Android Open Source Project 32faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 42faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * you may not use this file except in compliance with the License. 62faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * You may obtain a copy of the License at 72faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 82faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 92faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 102faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Unless required by applicable law or agreed to in writing, software 112faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * See the License for the specific language governing permissions and 142faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * limitations under the License. 152faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes */ 169ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 171212a022fa5f8ef9585d765b1809521812af882cIan Rogers#include "compiler_driver.h" 189ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 1967f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum#define ATRACE_TAG ATRACE_TAG_DALVIK 2067f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum#include <utils/Trace.h> 21d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 22f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle#include <fstream> 2367f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum#include <vector> 24d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes#include <unistd.h> 25f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle#include <utility> 2627ec961a1da540ba7f16c07a682585ab167317adBrian Carlstrom 271aa246dec5abe212f699de1413a0c4a191ca364aElliott Hughes#include "base/stl_util.h" 28a84395489098e4531619b1cffd1afc282b14510eSameer Abu Asal#include "base/timing_logger.h" 299ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom#include "class_linker.h" 30b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray#include "compiler.h" 31be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko#include "compiler_driver-inl.h" 3289756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogers#include "dex_compilation_unit.h" 334f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 34c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko#include "dex/verification_results.h" 352730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko#include "dex/verified_method.h" 362bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "dex/quick/dex_file_method_inliner.h" 37ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell#include "driver/compiler_options.h" 389baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom#include "jni_internal.h" 396d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers#include "object_utils.h" 401f87008b165d26541d832ff805250afdc89c253dBrian Carlstrom#include "runtime.h" 411d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 421d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/heap_bitmap.h" 431d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space.h" 44ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 45ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 462dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 472dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 4839ebcb800aabedd0ffa6aa4aeac8aa4194c66e61Ian Rogers#include "mirror/dex_cache-inl.h" 492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 502dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 512dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 5200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "scoped_thread_state_change.h" 5300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "ScopedLocalRef.h" 54c645f1ddb7c40bea6a38eda4b3f83f6b6dec405bMathieu Chartier#include "sirt_ref-inl.h" 5550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#include "thread.h" 560e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier#include "thread_pool.h" 57848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers#include "trampolines/trampoline_compiler.h" 58d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz#include "transaction.h" 59776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers#include "verifier/method_verifier.h" 602bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "verifier/method_verifier-inl.h" 619ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 629ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstromnamespace art { 639ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 64996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic double Percentage(size_t x, size_t y) { 65398f64b5805246765b699839b439e18c0dfbf2eeElliott Hughes return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); 66996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 67996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 68996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic void DumpStat(size_t x, size_t y, const char* str) { 69996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (x == 0 && y == 0) { 70996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return; 71996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 72e732ef1c0192acd71925bd0ff1ab09640d45531dIan Rogers LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; 73996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 74996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 75f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markoclass CompilerDriver::AOTCompilationStats { 76c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers public: 77ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers AOTCompilationStats() 78ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers : stats_lock_("AOT compilation statistics lock"), 79ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers types_in_dex_cache_(0), types_not_in_dex_cache_(0), 80ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), 81ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_types_(0), unresolved_types_(0), 82ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_instance_fields_(0), unresolved_instance_fields_(0), 8302c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), 84fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_(0), 85fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_(0), not_safe_casts_(0) { 862ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 87c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[i] = 0; 88c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[i] = 0; 892ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[i] = 0; 902ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[i] = 0; 912ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[i] = 0; 92b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes } 93c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 94c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 95c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void Dump() { 96c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); 97c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); 98c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_types_, unresolved_types_, "types resolved"); 99c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); 100c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, 101c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields resolved"); 102c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, 103c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields local to a class"); 104fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); 105fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // Note, the code below subtracts the stat value so that when added to the stat value we have 106fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // 100% of samples. TODO: clean this up. 107fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(type_based_devirtualization_, 108fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + 109fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kInterface] + unresolved_methods_[kInterface] - 110fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_, 111fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers "virtual/interface calls made direct based on type information"); 112c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 1132ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 114c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers std::ostringstream oss; 1152ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; 116c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); 1172ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (virtual_made_direct_[i] > 0) { 1182ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1192ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " methods made direct"; 1202ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(virtual_made_direct_[i], 1212ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], 1222ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1232ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1242ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_calls_to_boot_[i] > 0) { 1252ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1262ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; 1272ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_calls_to_boot_[i], 1282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], 1292ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_methods_to_boot_[i] > 0) { 1322ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; 1342ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_methods_to_boot_[i], 1352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], 1362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 138c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 139c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 140996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 14150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers// Allow lossy statistics in non-debug builds. 142996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#ifndef NDEBUG 14350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) 144996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#else 145996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#define STATS_LOCK() 146996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#endif 147996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 148c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeInDexCache() { 149c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 150c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_in_dex_cache_++; 151c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 152996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 153c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNotInDexCache() { 154c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 155c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_not_in_dex_cache_++; 156c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 157996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 158c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringInDexCache() { 159c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 160c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_in_dex_cache_++; 161c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 162996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 163c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringNotInDexCache() { 164c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 165c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_not_in_dex_cache_++; 166c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 167996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 168c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeDoesntNeedAccessCheck() { 169c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 170c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_types_++; 171c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 172996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 173c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNeedsAccessCheck() { 174c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 175c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_types_++; 176c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 177996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 178c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedInstanceField() { 179c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 180c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_instance_fields_++; 181c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 182996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 183b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes void UnresolvedInstanceField() { 184c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 185c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_instance_fields_++; 186c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 187996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 188c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedLocalStaticField() { 189c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 190c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_local_static_fields_++; 191c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 192996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 193c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedStaticField() { 194c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 195c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_static_fields_++; 196c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 197996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 198c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedStaticField() { 199c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 200c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_static_fields_++; 201c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 202996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 203e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that type information from the verifier led to devirtualization. 20402c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal void PreciseTypeDevirtualization() { 20502c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal STATS_LOCK(); 20602c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal type_based_devirtualization_++; 20702c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal } 208e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers 209e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was resolved at compile time. 210c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedMethod(InvokeType type) { 211c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 212c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 213c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[type]++; 214996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 215996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 216e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was unresolved at compile time as it was in an 217e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // unknown dex file. 218c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedMethod(InvokeType type) { 219c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 220c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 221c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[type]++; 222996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 223c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 224e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a type of virtual method dispatch has been converted into a direct method 225e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // dispatch. 2262ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void VirtualMadeDirect(InvokeType type) { 227e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers DCHECK(type == kVirtual || type == kInterface || type == kSuper); 2282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2292ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[type]++; 2302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 232e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to call directly into boot. 2332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectCallsToBoot(InvokeType type) { 2342ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 2352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[type]++; 2372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 239e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to be resolved directly from boot. 2402ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectMethodsToBoot(InvokeType type) { 2412ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 242fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers STATS_LOCK(); 2432ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[type]++; 244fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers } 2452ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 246f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko void ProcessedInvoke(InvokeType type, int flags) { 247f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko STATS_LOCK(); 248f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (flags == 0) { 249f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko unresolved_methods_[type]++; 250f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 251f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_NE((flags & kFlagMethodResolved), 0); 252f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_methods_[type]++; 253f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagVirtualMadeDirect) != 0) { 254f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko virtual_made_direct_[type]++; 255f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagPreciseTypeDevirtualization) != 0) { 256f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko type_based_devirtualization_++; 257f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 258f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 259f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_EQ((flags & kFlagPreciseTypeDevirtualization), 0); 260f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 261f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectCallToBoot) != 0) { 262f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_calls_to_boot_[type]++; 263f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 264f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectMethodToBoot) != 0) { 265f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_methods_to_boot_[type]++; 266f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 267f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 268f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 269f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 270fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast could be eliminated due to verifier type analysis. 271fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void SafeCast() { 272fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 273fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_++; 274fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 275fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 276fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast couldn't be eliminated due to verifier type analysis. 277fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void NotASafeCast() { 278fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 279fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers not_safe_casts_++; 280fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 281fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 282c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers private: 283c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers Mutex stats_lock_; 284c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 285c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_in_dex_cache_; 286c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_not_in_dex_cache_; 287c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 288c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_in_dex_cache_; 289c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_not_in_dex_cache_; 290c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 291c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_types_; 292c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_types_; 293c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 294c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_instance_fields_; 295c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_instance_fields_; 296c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 297c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_local_static_fields_; 298c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_static_fields_; 299c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_static_fields_; 30002c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal // Type based devirtualization for invoke interface and virtual. 30102c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal size_t type_based_devirtualization_; 302c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 303c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_methods_[kMaxInvokeType + 1]; 304c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_methods_[kMaxInvokeType + 1]; 3052ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t virtual_made_direct_[kMaxInvokeType + 1]; 3062ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_calls_to_boot_[kMaxInvokeType + 1]; 3072ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_methods_to_boot_[kMaxInvokeType + 1]; 308c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 309fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t safe_casts_; 310fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t not_safe_casts_; 311fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 312b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); 313c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers}; 314996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 31551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 31651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstromextern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, 31751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile::CodeItem* code_item, 31851c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t access_flags, 31951c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::InvokeType invoke_type, 3208b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx, 32151c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t method_idx, 32251c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom jobject class_loader, 32351c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile& dex_file); 32451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 3256449c62e40ef3a9bb75f664f922555affb532ee4Brian CarlstromCompilerDriver::CompilerDriver(const CompilerOptions* compiler_options, 3266449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom VerificationResults* verification_results, 3275816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko DexFileToMethodInlinerMap* method_inliner_map, 328b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray Compiler::Kind compiler_kind, 329f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray InstructionSet instruction_set, 3307020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison InstructionSetFeatures instruction_set_features, 331a024a0686c3b0fea13f362bff70d65981e5febc5buzbee bool image, DescriptorSet* image_classes, size_t thread_count, 33239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison bool dump_stats, bool dump_passes, CumulativeLogger* timer, 33339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::string profile_file) 33439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison : profile_ok_(false), compiler_options_(compiler_options), 3356449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom verification_results_(verification_results), 3365816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko method_inliner_map_(method_inliner_map), 337b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiler_(Compiler::Create(compiler_kind)), 338c531cefbfb5394413122e9f57d211ba436cff012buzbee instruction_set_(instruction_set), 3397020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison instruction_set_features_(instruction_set_features), 340fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_lock_("freezing constructor lock"), 341c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_classes_lock_("compiled classes lock"), 342c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_methods_lock_("compiled method lock"), 343aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom image_(image), 34496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes_(image_classes), 3455523ee070b005576c6f889415205d49ea77cf243Elliott Hughes thread_count_(thread_count), 34600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers start_ns_(0), 347c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_(new AOTCompilationStats), 348ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom dump_stats_(dump_stats), 349ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray dump_passes_(dump_passes), 350ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray timings_logger_(timer), 351b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes compiler_library_(NULL), 3526f4976c1a9fdaf108974143cd11e6b46037fd24eElliott Hughes compiler_context_(NULL), 353e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers compiler_enable_auto_elf_loading_(NULL), 35496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom compiler_get_method_code_addr_(NULL), 35555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell support_boot_image_fixup_(instruction_set != kMips), 356ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell cfi_info_(nullptr), 357d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_code_("dedupe code"), 358d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_mapping_table_("dedupe mapping table"), 359d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_vmap_table_("dedupe vmap table"), 360ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_gc_map_("dedupe gc map"), 361ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_cfi_info_("dedupe cfi info") { 3626449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(compiler_options_ != nullptr); 3636449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(verification_results_ != nullptr); 3646449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(method_inliner_map_ != nullptr); 3652ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom 3664df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); 3674df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 36839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Read the profile file if one is provided. 36939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (profile_file != "") { 37039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison profile_ok_ = ReadProfile(profile_file); 37139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 37239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 37375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); 3742d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 375b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiler_->Init(*this); 37600bc1dc4f81268d78d7dfeb298b85c56876425a9Brian Carlstrom 37725c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom CHECK(!Runtime::Current()->IsStarted()); 378ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom if (!image_) { 37996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CHECK(image_classes_.get() == NULL); 380ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 381ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 382ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell // Are we generating CFI information? 383ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (compiler_options->GetGenerateGDBInformation()) { 384b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray cfi_info_.reset(compiler_->GetCallFrameInformationInitialization(*this)); 385ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 386c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao} 387c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao 388193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateCode(const std::vector<uint8_t>& code) { 389193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_code_.Add(Thread::Current(), code); 390193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 391193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 392193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateMappingTable(const std::vector<uint8_t>& code) { 393193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_mapping_table_.Add(Thread::Current(), code); 394193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 395193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 396193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateVMapTable(const std::vector<uint8_t>& code) { 397193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_vmap_table_.Add(Thread::Current(), code); 398193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 399193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 400193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateGCMap(const std::vector<uint8_t>& code) { 401193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_gc_map_.Add(Thread::Current(), code); 402193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 403193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 404ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendellstd::vector<uint8_t>* CompilerDriver::DeduplicateCFIInfo(const std::vector<uint8_t>* cfi_info) { 405ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (cfi_info == nullptr) { 406ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return nullptr; 407ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 408ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return dedupe_cfi_info_.Add(Thread::Current(), *cfi_info); 409ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell} 410ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 4111212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerDriver::~CompilerDriver() { 41250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 413c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 41450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_classes_lock_); 415c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_classes_); 416c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 417c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 41850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 419c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_methods_); 420c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 421c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 423f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&code_to_patch_); 424f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 425f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom { 42650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 427f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&methods_to_patch_); 428f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 429be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi { 430be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(self, compiled_methods_lock_); 431be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi STLDeleteElements(&classes_to_patch_); 432be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 433ed6d5ed3494648780b9e91422c90d6bc22c16b79Mathieu Chartier CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); 434b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiler_->UnInit(*this); 4353320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom} 4363320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 4371212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerTls* CompilerDriver::GetTls() { 4384df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee // Lazily create thread-local storage 4394df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); 4404df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee if (res == NULL) { 4414df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee res = new CompilerTls(); 4424df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); 4434df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee } 4444df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee return res; 4454df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee} 4464df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 447848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterBridge() const { 448848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers return CreateTrampoline(instruction_set_, kInterpreterAbi, 449848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToInterpreterBridge)); 450848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 451848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 452848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToCompiledCodeBridge() const { 453848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers return CreateTrampoline(instruction_set_, kInterpreterAbi, 454848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers INTERPRETER_ENTRYPOINT_OFFSET(pInterpreterToCompiledCodeBridge)); 455848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 456848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 457848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateJniDlsymLookup() const { 458848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers return CreateTrampoline(instruction_set_, kJniAbi, JNI_ENTRYPOINT_OFFSET(pDlsymLookup)); 459848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 460848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 46188474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableImtConflictTrampoline() const { 46288474b416eb257078e590bf9bc7957cee604a186Jeff Hao return CreateTrampoline(instruction_set_, kPortableAbi, 46388474b416eb257078e590bf9bc7957cee604a186Jeff Hao PORTABLE_ENTRYPOINT_OFFSET(pPortableImtConflictTrampoline)); 46488474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 46588474b416eb257078e590bf9bc7957cee604a186Jeff Hao 4660aba0ba155bef7346bde19e53581200b89ae8a7aJeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { 467848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers return CreateTrampoline(instruction_set_, kPortableAbi, 468848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers PORTABLE_ENTRYPOINT_OFFSET(pPortableResolutionTrampoline)); 4690aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4700aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 471848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreatePortableToInterpreterBridge() const { 472848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers return CreateTrampoline(instruction_set_, kPortableAbi, 473848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers PORTABLE_ENTRYPOINT_OFFSET(pPortableToInterpreterBridge)); 4740aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4750aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 4762da882315a61072664f7ce3c212307342e907207Andreas Gampeconst std::vector<uint8_t>* CompilerDriver::CreateQuickGenericJniTrampoline() const { 4772da882315a61072664f7ce3c212307342e907207Andreas Gampe return CreateTrampoline(instruction_set_, kQuickAbi, 4782da882315a61072664f7ce3c212307342e907207Andreas Gampe QUICK_ENTRYPOINT_OFFSET(pQuickGenericJniTrampoline)); 4792da882315a61072664f7ce3c212307342e907207Andreas Gampe} 4802da882315a61072664f7ce3c212307342e907207Andreas Gampe 48188474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreateQuickImtConflictTrampoline() const { 48288474b416eb257078e590bf9bc7957cee604a186Jeff Hao return CreateTrampoline(instruction_set_, kQuickAbi, 48388474b416eb257078e590bf9bc7957cee604a186Jeff Hao QUICK_ENTRYPOINT_OFFSET(pQuickImtConflictTrampoline)); 48488474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 48588474b416eb257078e590bf9bc7957cee604a186Jeff Hao 486848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 487848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers return CreateTrampoline(instruction_set_, kQuickAbi, 488848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers QUICK_ENTRYPOINT_OFFSET(pQuickResolutionTrampoline)); 4890aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4900aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 491848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickToInterpreterBridge() const { 492848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers return CreateTrampoline(instruction_set_, kQuickAbi, 493848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers QUICK_ENTRYPOINT_OFFSET(pQuickToInterpreterBridge)); 4940aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4950aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 4961212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileAll(jobject class_loader, 4974560248d4c85cade7f4fc7b30c3fb41b95a04a7fBrian Carlstrom const std::vector<const DexFile*>& dex_files, 4983d504075f7c1204d581923460754bf6d3714b13fIan Rogers TimingLogger* timings) { 49925c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 500bcd5e9daecad39f0dab3246808b4835caec29ea6Mathieu Chartier UniquePtr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", thread_count_ - 1)); 5013d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(class_loader, dex_files, thread_pool.get(), timings); 5023d504075f7c1204d581923460754bf6d3714b13fIan Rogers Compile(class_loader, dex_files, thread_pool.get(), timings); 503ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom if (dump_stats_) { 504ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom stats_->Dump(); 505ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom } 5068a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom} 5078a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 508590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierstatic DexToDexCompilationLevel GetDexToDexCompilationlevel( 5099837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers Thread* self, SirtRef<mirror::ClassLoader>& class_loader, const DexFile& dex_file, 510590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const DexFile::ClassDef& class_def) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 5112d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const char* descriptor = dex_file.GetClassDescriptor(class_def); 5122d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 5139837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); 5142d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz if (klass == NULL) { 5152d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz CHECK(self->IsExceptionPending()); 5162d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->ClearException(); 51775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 51875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } 51975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // The verifier can only run on "quick" instructions at runtime (see usage of 52075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // FindAccessedFieldAtDexPc and FindInvokedMethodAtDexPc in ThrowNullPointerExceptionFromDexPC 52175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // function). Since image classes can be verified again while compiling an application, 52275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // we must prevent the DEX-to-DEX compiler from introducing them. 52375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // TODO: find a way to enable "quick" instructions for image classes and remove this check. 524590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier bool compiling_image_classes = class_loader.get() == nullptr; 52575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz if (compiling_image_classes) { 52675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kRequired; 52775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else if (klass->IsVerified()) { 52875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class is verified so we can enable DEX-to-DEX compilation for performance. 52975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kOptimize; 53075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else if (klass->IsCompileTimeVerified()) { 53175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has soft-failed. Anyway, ensure at least correctness. 53275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); 53375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kRequired; 53475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else { 53575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has failed: do not run DEX-to-DEX compilation. 53675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 5372d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 5382d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz} 5392d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 5403d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::CompileOne(mirror::ArtMethod* method, TimingLogger* timings) { 54125c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 54200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 5432d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jobject jclass_loader; 54400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 5458b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx; 546ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t method_idx = method->GetDexMethodIndex(); 547ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t access_flags = method->GetAccessFlags(); 548ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers InvokeType invoke_type = method->GetInvokeType(); 54900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 55000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 55100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> 55200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers local_class_loader(soa.Env(), 55300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 5542d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 55500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Find the dex_file 556fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers MethodHelper mh(method); 557fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers dex_file = &mh.GetDexFile(); 558fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers class_def_idx = mh.GetClassDefIndex(); 55900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 560ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 56100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kNative); 562ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 563ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom std::vector<const DexFile*> dex_files; 56400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_files.push_back(dex_file); 565ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 566bcd5e9daecad39f0dab3246808b4835caec29ea6Mathieu Chartier UniquePtr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", 0U)); 5673d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(jclass_loader, dex_files, thread_pool.get(), timings); 568ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5692d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 57075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 5712d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 5722d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 5732d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 574590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 575590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Decode<mirror::ClassLoader*>(jclass_loader)); 5769837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(self, class_loader, *dex_file, 5779837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 5782d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 579ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers CompileMethod(code_item, access_flags, invoke_type, class_def_idx, method_idx, jclass_loader, 580ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers *dex_file, dex_to_dex_compilation_level); 581ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5822d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 58300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 58400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 5859ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 5869ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 5871212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 5883d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 589ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 590ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 5919ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom CHECK(dex_file != NULL); 5922f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom ResolveDexFile(class_loader, *dex_file, thread_pool, timings); 5939ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 5949ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 5959ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 5961212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 5973d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 59896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LoadImageClasses(timings); 59996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 6002f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Resolve(class_loader, dex_files, thread_pool, timings); 601601a12302407d8199503d2cc6cc0829d5996696dElliott Hughes 6022f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Verify(class_loader, dex_files, thread_pool, timings); 603ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 6042f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom InitializeClasses(class_loader, dex_files, thread_pool, timings); 60596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 60696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom UpdateImageClasses(timings); 607ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 608ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 609dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogersbool CompilerDriver::IsImageClass(const char* descriptor) const { 610e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 61196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 612e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 613dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers return image_classes_->find(descriptor) != image_classes_->end(); 614ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 615ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 616ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 61796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic void ResolveExceptionsForMethod(MethodHelper* mh, 61896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) 61996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 62096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const DexFile::CodeItem* code_item = mh->GetCodeItem(); 62196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item == NULL) { 62296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // native or abstract method 62396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 62496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item->tries_size_ == 0) { 62596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // nothing to process 62696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 62796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 62896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 62996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 63096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 63196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom bool has_catch_all = false; 63296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (encoded_catch_handler_size <= 0) { 63396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom encoded_catch_handler_size = -encoded_catch_handler_size; 63496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom has_catch_all = true; 63596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 63696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 63796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom uint16_t encoded_catch_handler_handlers_type_idx = 63896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 63996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Add to set of types to resolve if not already in the dex cache resolved types 64096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 64196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom exceptions_to_resolve.insert( 64296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 64396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom &mh->GetDexFile())); 64496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 64596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore address associated with catch handler 64696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 64796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 64896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (has_catch_all) { 64996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore catch all address 65096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 65196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 65496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 65596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 65696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 65796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = 65896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); 65996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MethodHelper mh; 66096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 661ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = c->GetVirtualMethod(i); 66296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom mh.ChangeMethod(m); 66396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 66496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 666ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = c->GetDirectMethod(i); 66796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom mh.ChangeMethod(m); 66896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 66996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 67096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 67196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 67296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 67396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 67496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 67596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CompilerDriver::DescriptorSet* image_classes = 67696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); 67796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes->insert(ClassHelper(klass).GetDescriptor()); 67896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 67996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 68096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 68196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom// Make a list of descriptors for classes to include in the image 6823d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::LoadImageClasses(TimingLogger* timings) 68396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOCKS_EXCLUDED(Locks::mutator_lock_) { 684e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 68596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; 68696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 68796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 6883d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("LoadImageClasses"); 68996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Make a first class to load all classes explicitly listed in the file 69096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom Thread* self = Thread::Current(); 69196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ScopedObjectAccess soa(self); 69296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 69302e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 694e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko const std::string& descriptor(*it); 6959837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(self, descriptor.c_str())); 69696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass.get() == NULL) { 697e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers VLOG(compiler) << "Failed to find class " << descriptor; 698e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko image_classes_->erase(it++); 699a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers self->ClearException(); 70096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } else { 70196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ++it; 70296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 70396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 70496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 70596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolve exception classes referenced by the loaded classes. The catch logic assumes 70696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // exceptions are resolved by the verifier when there is a catch block in an interested method. 70796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Do this here so that exception classes appear to have been specified image classes. 70896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; 70996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SirtRef<mirror::Class> java_lang_Throwable(self, 7109837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_linker->FindSystemClass(self, "Ljava/lang/Throwable;")); 71196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom do { 71296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom unresolved_exception_types.clear(); 71396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 71496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom &unresolved_exception_types); 71502e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { 71602e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier uint16_t exception_type_idx = exception_type.first; 71702e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const DexFile* dex_file = exception_type.second; 718590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(self, class_linker->FindDexCache(*dex_file)); 719590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(self, nullptr); 72096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, 72196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom dex_cache, class_loader)); 72296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass.get() == NULL) { 72396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 72496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const char* descriptor = dex_file->GetTypeDescriptor(type_id); 72596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOG(FATAL) << "Failed to resolve class " << descriptor; 72696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 72796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); 72896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 72996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolving exceptions may load classes that reference more exceptions, iterate until no 73096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // more are found 73196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } while (!unresolved_exception_types.empty()); 73296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 73396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // We walk the roots looking for classes so that we'll pick up the 73496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // above classes plus any classes them depend on such super 73596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // classes, interfaces, and the required ClassLinker roots. 73696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 73796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 73896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CHECK_NE(image_classes_->size(), 0U); 73996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 74096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 74196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) 74296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 74396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom while (!klass->IsObjectClass()) { 74496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ClassHelper kh(klass); 74596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const char* descriptor = kh.GetDescriptor(); 74696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = 74796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes->insert(descriptor); 74896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (result.second) { 74975a43f10f55e2aa550de51e969cc1e60d583b632Anwar Ghuloum VLOG(compiler) << "Adding " << descriptor << " to image classes"; 75096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } else { 75196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; 75296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 75396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 75496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); 75596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 75696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass->IsArrayClass()) { 75796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MaybeAddToImageClasses(klass->GetComponentType(), image_classes); 75896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 75996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom klass = klass->GetSuperClass(); 76096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 76196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 76296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 76396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromvoid CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 76496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(object != NULL); 76596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(arg != NULL); 76696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 76796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); 76896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 76996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 7703d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::UpdateImageClasses(TimingLogger* timings) { 771e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 7723d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("UpdateImageClasses"); 7736f28d91aab952e3244fbb4e707fa38f85538f374Anwar Ghuloum 774e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Update image_classes_ with classes for objects created by <clinit> methods. 775e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers Thread* self = Thread::Current(); 776e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 777e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 778e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // TODO: Image spaces only? 779590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ScopedObjectAccess soa(Thread::Current()); 780e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 781590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier heap->VisitObjects(FindClinitImageClassesCallback, this); 782e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers self->EndAssertNoThreadSuspension(old_cause); 783e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 78496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 78596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 786590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierbool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, uint32_t type_idx) { 787fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers if (IsImage() && 788dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers IsImageClass(dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_))) { 7896fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers if (kIsDebugBuild) { 7906fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers ScopedObjectAccess soa(Thread::Current()); 7916fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 7926fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 7936fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers CHECK(resolved_class != NULL); 7946fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers } 795c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeInDexCache(); 7966fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return true; 797996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 798c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNotInDexCache(); 7996fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return false; 800996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 8016d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers} 8026d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers 8031212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 8041212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t string_idx) { 8051bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // See also Compiler::ResolveDexFile 8061bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8075f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers bool result = false; 8085f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers if (IsImage()) { 8095f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers // We resolve all const-string strings when building for the image. 81000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 811590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), Runtime::Current()->GetClassLinker()->FindDexCache(dex_file)); 8125f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 8135f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers result = true; 81400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 815996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 816c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringInDexCache(); 817996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 818c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringNotInDexCache(); 819996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 820996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8211bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8221bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8231212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 824c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers uint32_t type_idx, 825c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* type_known_final, bool* type_known_abstract, 826c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* equals_referrers_class) { 827c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_final != NULL) { 828c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = false; 829c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 830c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_abstract != NULL) { 831c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_abstract = false; 832c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 833c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (equals_referrers_class != NULL) { 834c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = false; 835c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 83600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 8372dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8381bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier 8392dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8401bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (resolved_class == NULL) { 841c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8421bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 8431bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8441bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 845c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (equals_referrers_class != NULL) { 846c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = (method_id.class_idx_ == type_idx); 847c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 8482dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 8491bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (referrer_class == NULL) { 850c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8511bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 8521bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8531bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access check, will return true if access is ok or false if we're going to have to 8541bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // check this at runtime (for example for class loaders). 855996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class); 856996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 857c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 858c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_final != NULL) { 859c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 860c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 861c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_abstract != NULL) { 862b19fa800aab1c2731b12ff24696feca13901db3fIan Rogers *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 863c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 864996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 865c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 866996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 867996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8681bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8691bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8701212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 8711212a022fa5f8ef9585d765b1809521812af882cIan Rogers const DexFile& dex_file, 8721212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t type_idx) { 87300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 8742dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8751bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier. 8762dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8771bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (resolved_class == NULL) { 878c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8791bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 8801bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8811bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 8822dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 8831bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (referrer_class == NULL) { 884c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8851bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 8861bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8871bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access and instantiable checks, will return true if access is ok or false if we're 8881bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // going to have to check this at runtime (for example for class loaders). 889996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 890996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 891c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 892996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 893c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 894996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 895996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8961bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8971bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 898be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchibool CompilerDriver::CanEmbedTypeInCode(const DexFile& dex_file, uint32_t type_idx, 899be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi bool* is_type_initialized, bool* use_direct_type_ptr, 900be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uintptr_t* direct_type_ptr) { 901be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi ScopedObjectAccess soa(Thread::Current()); 902be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 903be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 904be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (resolved_class == nullptr) { 905be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 906be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 907be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 908be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (compiling_boot) { 909be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> boot class pointers. 910be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at boot compiling time. 911be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool is_image_class = IsImage() && IsImageClass( 912be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_)); 913be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if pc relative load works. 914be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool support_boot_image_fixup = GetSupportBootImageFixup(); 915be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (is_image_class && support_boot_image_fixup) { 916be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 917be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *use_direct_type_ptr = false; 918be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = 0; 919be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 920be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 921be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 922be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 923be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 924be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at app compiling time. 925be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool class_in_image = 926be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi Runtime::Current()->GetHeap()->FindSpaceFromObject(resolved_class, false)->IsImageSpace(); 927be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (class_in_image) { 928be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> app class pointers. 929be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 930be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *use_direct_type_ptr = true; 931be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = reinterpret_cast<uintptr_t>(resolved_class); 932be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 933be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 934be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // app -> app class pointers. 935be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // Give up because app does not have an image and class 936be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // isn't created at compile time. TODO: implement this 937be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // if/when each app gets an image. 938be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 939be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 940be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 941be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 942be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi 943be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedInstanceField(bool resolved) { 944be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 945be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedInstanceField(); 946be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 947be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedInstanceField(); 948be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 949be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 950be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 951be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedStaticField(bool resolved, bool local) { 952be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 953be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedStaticField(); 954be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else if (local) { 955be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedLocalStaticField(); 956be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 957be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedStaticField(); 958be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 959be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 960be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 961f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markovoid CompilerDriver::ProcessedInvoke(InvokeType invoke_type, int flags) { 962f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_->ProcessedInvoke(invoke_type, flags); 963a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 964a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 96589756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogersbool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 966be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool is_put, MemberOffset* field_offset, 967be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool* is_volatile) { 96800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 969be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 970be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 971be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 972be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 973be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 974be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::DexCache> dex_cache_sirt(soa.Self(), 975be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile())); 976be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ClassLoader> class_loader_sirt(soa.Self(), 977be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader())); 978be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ArtField> resolved_field_sirt(soa.Self(), 979be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ResolveField(soa, dex_cache_sirt, class_loader_sirt, mUnit, field_idx, false)); 980be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko referrer_class = (resolved_field_sirt.get() != nullptr) 981be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache_sirt, class_loader_sirt, mUnit) : nullptr; 982be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko resolved_field = resolved_field_sirt.get(); 983be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache = dex_cache_sirt.get(); 9841bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 985be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool result = false; 986be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 987be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = IsFieldVolatile(resolved_field); 988be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastInstanceField( 989be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache, referrer_class, resolved_field, field_idx, field_offset); 990be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko result = is_put ? fast_path.second : fast_path.first; 991be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 992be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!result) { 993be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 994be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 995be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 996be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 997be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ProcessedInstanceField(result); 998be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko return result; 9991bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10001bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 100189756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogersbool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1002be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool is_put, MemberOffset* field_offset, 1003be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko uint32_t* storage_index, bool* is_referrers_class, 1004be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool* is_volatile, bool* is_initialized) { 100500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1006be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1007be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1008be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1009be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1010be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1011be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::DexCache> dex_cache_sirt(soa.Self(), 1012be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile())); 1013be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ClassLoader> class_loader_sirt(soa.Self(), 1014be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader())); 1015be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ArtField> resolved_field_sirt(soa.Self(), 1016be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ResolveField(soa, dex_cache_sirt, class_loader_sirt, mUnit, field_idx, true)); 1017be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko referrer_class = (resolved_field_sirt.get() != nullptr) 1018be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache_sirt, class_loader_sirt, mUnit) : nullptr; 1019be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko resolved_field = resolved_field_sirt.get(); 1020be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache = dex_cache_sirt.get(); 10211bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1022be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool result = false; 1023be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1024be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = IsFieldVolatile(resolved_field); 1025be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastStaticField( 1026be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache, referrer_class, resolved_field, field_idx, field_offset, 1027be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko storage_index, is_referrers_class, is_initialized); 1028be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko result = is_put ? fast_path.second : fast_path.first; 1029be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1030be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!result) { 1031be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1032be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1033be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1034be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *storage_index = -1; 1035be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_referrers_class = false; 1036be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_initialized = false; 1037be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1038be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ProcessedStaticField(result, *is_referrers_class); 1039be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko return result; 10401bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10411bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 104283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogersvoid CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType* type, InvokeType sharp_type, 104383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool no_guarantee_of_dex_cache_entry, 10444f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers mirror::Class* referrer_class, 1045ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, 1046f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int* stats_flags, 104783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers MethodReference* target_method, 104865ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_code, 104965ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1050137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For direct and static methods compute possible direct_code and direct_method values, ie 1051137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // an address for the Method* being invoked and an address of the code for that Method*. 1052137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For interface calls compute a value for direct_method that is the interface method being 1053137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // invoked, so this can be passed to the out-of-line runtime support code. 105465ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_code = 0; 105565ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_method = 0; 105683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool use_dex_cache = false; 1057590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 1058b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray if (compiler_->IsPortable()) { 1059c531cefbfb5394413122e9f57d211ba436cff012buzbee if (sharp_type != kStatic && sharp_type != kDirect) { 1060c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1061c531cefbfb5394413122e9f57d211ba436cff012buzbee } 106283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1063c531cefbfb5394413122e9f57d211ba436cff012buzbee } else { 106488474b416eb257078e590bf9bc7957cee604a186Jeff Hao if (sharp_type != kStatic && sharp_type != kDirect) { 1065c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1066c531cefbfb5394413122e9f57d211ba436cff012buzbee } 106783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // TODO: support patching on all architectures. 106883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = compiling_boot && !support_boot_image_fixup_; 1069b8404a7de94c109e3c17b4205b5f8aaae996eb33TDYa } 107083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool method_code_in_boot = (method->GetDeclaringClass()->GetClassLoader() == nullptr); 107183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!use_dex_cache) { 107283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!method_code_in_boot) { 107383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 107483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 107583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool has_clinit_trampoline = 107683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 107783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 107883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Ensure we run the clinit trampoline unless we are invoking a static method in the same 107983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // class. 108083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 108183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 108283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 10832ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1084f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (method_code_in_boot) { 1085f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *stats_flags |= kFlagDirectCallToBoot | kFlagDirectMethodToBoot; 10862ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 108783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!use_dex_cache && compiling_boot) { 108883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers MethodHelper mh(method); 1089dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers if (!IsImageClass(mh.GetDeclaringClassDescriptor())) { 109083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // We can only branch directly to Methods that are resolved in the DexCache. 109183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Otherwise we won't invoke the resolution trampoline. 109283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1093e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1094c468e92d1e18305a5053c8a4a7c88cb297e525afIan Rogers } 109583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // The method is defined not within this dex file. We need a dex cache slot within the current 109683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // dex file or direct pointers. 109783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool must_use_direct_pointers = false; 109883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (target_method->dex_file == method->GetDeclaringClass()->GetDexCache()->GetDexFile()) { 109983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = method->GetDexMethodIndex(); 110083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 110183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (no_guarantee_of_dex_cache_entry) { 110283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // See if the method is also declared in this dex cache. 110383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers uint32_t dex_method_idx = MethodHelper(method).FindDexMethodIndexInOtherDexFile( 1104bbcc0c0a17262f3d2a70fc0a82e1783862f708ccVladimir Marko *target_method->dex_file, target_method->dex_method_index); 110583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (dex_method_idx != DexFile::kDexNoIndex) { 110683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = dex_method_idx; 110783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 110849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao if (compiling_boot) { 110949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_method_index = method->GetDexMethodIndex(); 111049161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 111149161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao } 111283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers must_use_direct_pointers = true; 11133fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 11143fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 111583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 111683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (use_dex_cache) { 111783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (must_use_direct_pointers) { 111883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Fail. Test above showed the only safe dispatch was via the dex cache, however, the direct 111983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // pointers are required as the dex cache lacks an appropriate entry. 112083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 112183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 112283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 112383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11243fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } else { 112583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (compiling_boot) { 112683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 112783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *direct_method = -1; 112888474b416eb257078e590bf9bc7957cee604a186Jeff Hao *direct_code = -1; 112983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 113083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool method_in_image = 113183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace(); 113283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (method_in_image) { 113388474b416eb257078e590bf9bc7957cee604a186Jeff Hao CHECK(!method->IsAbstract()); 113483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 113583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *direct_method = reinterpret_cast<uintptr_t>(method); 1136b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray *direct_code = compiler_->GetEntryPointOf(method); 113783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 113883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = method->GetDexMethodIndex(); 113983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else if (!must_use_direct_pointers) { 114083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Set the code and rely on the dex cache for the method. 114183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 1142b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray *direct_code = compiler_->GetEntryPointOf(method); 114383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 114483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Direct pointers were required but none were available. 114583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 114683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11473fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 11482ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 11492ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers} 11502ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 1151e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogersbool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 115265ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers bool update_stats, bool enable_devirtualization, 115365ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers InvokeType* invoke_type, MethodReference* target_method, 115465ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers int* vtable_idx, uintptr_t* direct_code, 115565ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1156f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko InvokeType orig_invoke_type = *invoke_type; 1157f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int stats_flags = 0; 115800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1159f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Try to resolve the method and compiling method's class. 1160f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::ArtMethod* resolved_method; 1161f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::Class* referrer_class; 1162f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko SirtRef<mirror::DexCache> dex_cache(soa.Self(), 1163f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile())); 1164f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 1165f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader())); 1166f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko { 1167f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko uint32_t method_idx = target_method->dex_method_index; 1168f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko SirtRef<mirror::ArtMethod> resolved_method_sirt(soa.Self(), 1169f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ResolveMethod(soa, dex_cache, class_loader, mUnit, method_idx, orig_invoke_type)); 1170f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko referrer_class = (resolved_method_sirt.get() != nullptr) 1171f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader, mUnit) : nullptr; 1172f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_method = resolved_method_sirt.get(); 1173f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 1174f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko bool result = false; 1175f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (resolved_method != nullptr) { 1176f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = GetResolvedMethodVTableIndex(resolved_method, orig_invoke_type); 1177f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1178f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (enable_devirtualization) { 1179f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 1180f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko const MethodReference* devirt_target = mUnit->GetVerifiedMethod()->GetDevirtTarget(dex_pc); 1181f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1182f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = IsFastInvoke( 1183f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko soa, dex_cache, class_loader, mUnit, referrer_class, resolved_method, 1184f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko invoke_type, target_method, devirt_target, direct_code, direct_method); 1185f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = stats_flags != 0; 1186f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1187f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Devirtualization not enabled. Inline IsFastInvoke(), dropping the devirtualization parts. 1188f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (UNLIKELY(referrer_class == nullptr) || 1189f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko UNLIKELY(!referrer_class->CanAccessResolvedMethod(resolved_method->GetDeclaringClass(), 1190f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_method, dex_cache.get(), 1191f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko target_method->dex_method_index)) || 1192f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *invoke_type == kSuper) { 1193f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Slow path. (Without devirtualization, all super calls go slow path as well.) 1194f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1195f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Sharpening failed so generate a regular resolved method dispatch. 1196f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = kFlagMethodResolved; 1197f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko GetCodeAndMethodForDirectCall(invoke_type, *invoke_type, false, referrer_class, resolved_method, 1198f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko &stats_flags, target_method, direct_code, direct_method); 1199f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = true; 1200a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1201a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1202a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1203f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (!result) { 1204f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Conservative defaults. 1205f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = -1; 1206f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_code = 0u; 1207f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_method = 0u; 1208a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1209e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers if (update_stats) { 1210f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ProcessedInvoke(orig_invoke_type, stats_flags); 1211e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1212f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko return result; 1213a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 1214a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 12152730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markoconst VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, 12162730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko uint32_t method_idx) const { 12172730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko MethodReference ref(dex_file, method_idx); 12182730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko return verification_results_->GetVerifiedMethod(ref); 12192730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko} 12202730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko 12212730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markobool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { 12222730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 12232730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); 1224fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers if (result) { 1225fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->SafeCast(); 1226fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } else { 1227fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->NotASafeCast(); 1228fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 1229fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers return result; 1230fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers} 1231fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 12321212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddCodePatch(const DexFile* dex_file, 12338b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 12348b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 12358b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 12368b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 123749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 12388b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 12398b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 124050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1241be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi code_to_patch_.push_back(new CallPatchInformation(dex_file, 1242be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1243be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1244be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1245be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 124649161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1247be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1248be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 12493fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 125055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid CompilerDriver::AddRelativeCodePatch(const DexFile* dex_file, 125155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint16_t referrer_class_def_idx, 125255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t referrer_method_idx, 125355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType referrer_invoke_type, 125455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t target_method_idx, 125549161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 125655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType target_invoke_type, 125755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell size_t literal_offset, 125855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell int32_t pc_relative_offset) { 125955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell MutexLock mu(Thread::Current(), compiled_methods_lock_); 126055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell code_to_patch_.push_back(new RelativeCallPatchInformation(dex_file, 126155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_class_def_idx, 126255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_method_idx, 126355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_invoke_type, 126455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_method_idx, 126549161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 126655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_invoke_type, 126755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell literal_offset, 126855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell pc_relative_offset)); 126955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 12701212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddMethodPatch(const DexFile* dex_file, 12718b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 12728b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 12738b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 12748b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 127549161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 12768b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 12778b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 127850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1279be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi methods_to_patch_.push_back(new CallPatchInformation(dex_file, 1280be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1281be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1282be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1283be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 128449161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1285be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1286be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 1287be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 1288be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchivoid CompilerDriver::AddClassPatch(const DexFile* dex_file, 1289be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint16_t referrer_class_def_idx, 1290be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t referrer_method_idx, 1291be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t target_type_idx, 1292be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi size_t literal_offset) { 1293be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(Thread::Current(), compiled_methods_lock_); 1294be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi classes_to_patch_.push_back(new TypePatchInformation(dex_file, 1295be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1296be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1297be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_type_idx, 1298be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 12993fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 13003fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers 1301219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersclass ParallelCompilationManager { 1302731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom public: 1303219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers typedef void Callback(const ParallelCompilationManager* manager, size_t index); 13040e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier 1305219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager(ClassLinker* class_linker, 1306219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers jobject class_loader, 1307219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers CompilerDriver* compiler, 1308219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile* dex_file, 13093d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool) 13100b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier : index_(0), 13110b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier class_linker_(class_linker), 1312731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom class_loader_(class_loader), 1313731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom compiler_(compiler), 13140e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier dex_file_(dex_file), 13153d504075f7c1204d581923460754bf6d3714b13fIan Rogers thread_pool_(thread_pool) {} 1316731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 131700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ClassLinker* GetClassLinker() const { 1318731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(class_linker_ != NULL); 1319731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_linker_; 1320731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 132100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 132200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jobject GetClassLoader() const { 1323731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_loader_; 1324731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 132500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 13261212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* GetCompiler() const { 1327731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(compiler_ != NULL); 1328731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return compiler_; 1329731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 133000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 133100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* GetDexFile() const { 1332731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(dex_file_ != NULL); 1333731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return dex_file_; 1334731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 1335731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 13360e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 13370e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier Thread* self = Thread::Current(); 13380e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 13390e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_GT(work_units, 0U); 13409ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 13410b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier index_ = begin; 13420e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier for (size_t i = 0; i < work_units; ++i) { 1343501baec5f2de2156bb5ed7f66d23f1b1ad026267Sebastien Hertz thread_pool_->AddTask(self, new ForAllClosure(this, end, callback)); 13440e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 13450e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier thread_pool_->StartWorkers(self); 134600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 13470e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 13480e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // thread destructor's called below perform join). 13490e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_NE(self->GetState(), kRunnable); 1350d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 13510e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Wait for all the worker threads to finish. 13521d54e73444e017d3a65234e0f193846f3e27472bIan Rogers thread_pool_->Wait(self, true, false); 1353d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1354d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 13550b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier size_t NextIndex() { 1356b122a4bbed34ab22b4c1541ee25e5cf22f12a926Ian Rogers return index_.FetchAndAdd(1); 13570b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 13580b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 1359d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes private: 136002b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier class ForAllClosure : public Task { 13610e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier public: 13620b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ForAllClosure(ParallelCompilationManager* manager, size_t end, Callback* callback) 1363219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers : manager_(manager), 13640e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier end_(end), 13650b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(callback) {} 13669ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 13670e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier virtual void Run(Thread* self) { 13680b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier while (true) { 13690b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier const size_t index = manager_->NextIndex(); 13700b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier if (UNLIKELY(index >= end_)) { 13710b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier break; 13720b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 13730b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(manager_, index); 13740e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 13750e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 13760e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 137702b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier 137802b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier virtual void Finalize() { 137902b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier delete this; 138002b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier } 13810cd7ec2dcd8d7ba30bf3ca420b40dac52849876cBrian Carlstrom 13820e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier private: 13830b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ParallelCompilationManager* const manager_; 13840e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const size_t end_; 1385460536209b741bc469f1b0857775449abb2102fbBernhard Rosenkränzer Callback* const callback_; 13860e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier }; 13871e4092589f1400915e6213014da103aab8728ef6Elliott Hughes 13880b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier AtomicInteger index_; 13890e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier ClassLinker* const class_linker_; 13900e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const jobject class_loader_; 13911212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* const compiler_; 13920e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const DexFile* const dex_file_; 1393219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ThreadPool* const thread_pool_; 13940b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 13950b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); 1396d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes}; 1397d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 13980e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// Return true if the class should be skipped during compilation. 13990e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// 14000e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// The first case where we skip is for redundant class definitions in 14010e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// the boot classpath. We skip all but the first definition in that case. 14020e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// 14030e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// The second case where we skip is when an app bundles classes found 14040e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// in the boot classpath. Since at runtime we will select the class from 14050e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// the boot classpath, we ignore the one from the app. 1406be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogersstatic bool SkipClass(ClassLinker* class_linker, jobject class_loader, const DexFile& dex_file, 1407be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers const DexFile::ClassDef& class_def) { 14080e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 140900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (class_loader == NULL) { 14100e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao DexFile::ClassPathEntry pair = DexFile::FindInClassPath(descriptor, class_linker->GetBootClassPath()); 14110e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao CHECK(pair.second != NULL); 14120e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (pair.first != &dex_file) { 14130e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(WARNING) << "Skipping class " << descriptor << " from " << dex_file.GetLocation() 14140e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << " previously found in " << pair.first->GetLocation(); 14150e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return true; 14160e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 141700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return false; 141800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 1419be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers return class_linker->IsInBootClassPath(descriptor); 142000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers} 142100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 14220e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// A fast version of SkipClass above if the class pointer is available 14230e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// that avoids the expensive FindInClassPath search. 14240e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Haostatic bool SkipClass(jobject class_loader, const DexFile& dex_file, mirror::Class* klass) 14250e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 14260e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao DCHECK(klass != NULL); 14270e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); 14280e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (&dex_file != &original_dex_file) { 14290e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (class_loader == NULL) { 14300e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(WARNING) << "Skipping class " << PrettyDescriptor(klass) << " from " 14310e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << dex_file.GetLocation() << " previously found in " 14320e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << original_dex_file.GetLocation(); 14330e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 14340e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return true; 14350e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 14360e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return false; 14370e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao} 14380e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 1439e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogersstatic void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, 1440e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers size_t class_def_index) 1441b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 14428f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 1443be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers Thread* self = Thread::Current(); 1444be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers jobject jclass_loader = manager->GetClassLoader(); 1445219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1446be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1447d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1448e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // If an instance field is final then we need to have a barrier on the return, static final 1449e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // fields are assigned within the lock held for class initialization. Conservatively assume 1450e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // constructor barriers are always required. 1451e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers bool requires_constructor_barrier = true; 1452e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers 1453845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // Method and Field are the worst. We can't resolve without either 1454845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // context from the code use (to disambiguate virtual vs direct 1455845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // method and instance vs static field) or from class 1456845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions. While the compiler will resolve what it can as it 1457845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // needs it, here we try to resolve fields and methods used in class 1458845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions, since many of them many never be referenced by 1459845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // generated code. 1460d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1461be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers if (!SkipClass(class_linker, jclass_loader, dex_file, class_def)) { 1462cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom ScopedObjectAccess soa(self); 1463590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), soa.Decode<mirror::ClassLoader*>(jclass_loader)); 1464590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), class_linker->FindDexCache(dex_file)); 1465cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // Resolve the class. 1466cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, 1467cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom class_loader); 1468cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom bool resolve_fields_and_methods; 1469cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom if (klass == NULL) { 1470cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // Class couldn't be resolved, for example, super-class is in a different dex file. Don't 1471cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // attempt to resolve methods and fields when there is no declaring class. 1472cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom CHECK(soa.Self()->IsExceptionPending()); 1473cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom soa.Self()->ClearException(); 1474cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom resolve_fields_and_methods = false; 1475cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } else { 1476cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom resolve_fields_and_methods = manager->GetCompiler()->IsImage(); 1477cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } 1478e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Note the class_data pointer advances through the headers, 1479e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // static fields, instance fields, direct methods, and virtual 1480e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // methods. 1481e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const byte* class_data = dex_file.GetClassData(class_def); 1482e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (class_data == NULL) { 1483e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Empty class such as a marker interface. 1484e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = false; 1485e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 1486e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers ClassDataItemIterator it(dex_file, class_data); 1487e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextStaticField()) { 1488e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1489e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1490e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, true); 1491e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (field == NULL) { 1492e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1493e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1494e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1495e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1496e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1497e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1498e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // We require a constructor barrier if there are final instance fields. 1499e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = false; 1500e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextInstanceField()) { 1501e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1502e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = true; 1503e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1504e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1505e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1506e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, false); 1507e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (field == NULL) { 1508e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1509e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1510e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1511e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1512e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1513e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1514e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1515e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextDirectMethod()) { 1516e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1517e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, NULL, 1518e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.GetMethodInvokeType(class_def)); 1519e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (method == NULL) { 1520e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1521e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1522e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1523e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1524e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1525e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextVirtualMethod()) { 1526e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1527e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, NULL, 1528e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.GetMethodInvokeType(class_def)); 1529e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (method == NULL) { 1530e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1531e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1532e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1533e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1534e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1535e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers DCHECK(!it.HasNext()); 1536e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 153720cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom } 1538d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1539fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers if (requires_constructor_barrier) { 1540be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers manager->GetCompiler()->AddRequiresConstructorBarrier(self, &dex_file, class_def_index); 1541fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers } 1542d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1543d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1544219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1545b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 1546d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes // Class derived values are more complicated, they require the linker and loader. 154700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1548219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1549219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1550590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), class_linker->FindDexCache(dex_file)); 1551c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::ClassLoader> class_loader( 1552c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier soa.Self(), soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); 15532dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 155400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 1555d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes if (klass == NULL) { 155600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1557a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 1558a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); 1559dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers if (strcmp("Ljava/lang/OutOfMemoryError;", 1560dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers ClassHelper(exception->GetClass()).GetDescriptor()) == 0) { 1561a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers // There's little point continuing compilation if the heap is exhausted. 1562a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers LOG(FATAL) << "Out of memory during type resolution for compilation"; 1563a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers } 1564a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers soa.Self()->ClearException(); 1565d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1566d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1567d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 15681212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 15693d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1570d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1571d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 157200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: we could resolve strings here, although the string table is largely filled with class 157300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // and method names. 1574d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1575219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1576e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 1577e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // For images we resolve all types, such as array, whereas for applications just those with 1578e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // classdefs are resolved by ResolveClassFieldsAndMethods. 15793d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Resolve Types"); 1580e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1581e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1582d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 15833d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Resolve MethodsAndFields"); 15840e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 15859ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 15869ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 15871212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 15883d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1589ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1590ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 159198eacac683b78e60799323e8c7d59e7214808639jeffhao CHECK(dex_file != NULL); 15922f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom VerifyDexFile(class_loader, *dex_file, thread_pool, timings); 159398eacac683b78e60799323e8c7d59e7214808639jeffhao } 159498eacac683b78e60799323e8c7d59e7214808639jeffhao} 159598eacac683b78e60799323e8c7d59e7214808639jeffhao 1596219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1597b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 159867f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 159900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 16000e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 16010e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 16020e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 16030e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao ClassLinker* class_linker = manager->GetClassLinker(); 16040e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 1605590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader( 1606590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Self(), soa.Decode<mirror::ClassLoader*>(jclass_loader)); 16079837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers SirtRef<mirror::Class> klass(soa.Self(), class_linker->FindClass(soa.Self(), descriptor, 16089837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_loader)); 1609c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier if (klass.get() == nullptr) { 1610e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 161162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 1612f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao 1613f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao /* 1614f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * At compile time, we can still structurally verify the class even if FindClass fails. 1615f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * This is to ensure the class is structurally sound for compilation. An unsound class 1616f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * will be rejected by the verifier and later skipped during compilation in the compiler. 1617f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao */ 1618590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), class_linker->FindDexCache(dex_file)); 1619f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao std::string error_msg; 1620590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (verifier::MethodVerifier::VerifyClass(&dex_file, dex_cache, class_loader, &class_def, true, 1621590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier &error_msg) == 162200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers verifier::MethodVerifier::kHardFailure) { 16230e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) 1624f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao << " because: " << error_msg; 1625f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao } 1626c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier } else if (!SkipClass(jclass_loader, dex_file, klass.get())) { 1627c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier CHECK(klass->IsResolved()) << PrettyClass(klass.get()); 16280e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao class_linker->VerifyClass(klass); 1629d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1630e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (klass->IsErroneous()) { 1631e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1632e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1633e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1634e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 163567f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 1636e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1637c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier << PrettyDescriptor(klass.get()) << ": state=" << klass->GetStatus(); 1638e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 163962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->AssertNoPendingException(); 1640d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1641d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 16421212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 16433d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 16443d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Verify Dex File"); 1645731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1646219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 16470e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1648a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom} 1649a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom 1650219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 16513d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 16528f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 16530e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 16540e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 16550e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1656bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); 1657bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); 1658fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers 165900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1660590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 1661590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Decode<mirror::ClassLoader*>(jclass_loader)); 1662c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::Class> klass(soa.Self(), 16639837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers manager->GetClassLinker()->FindClass(soa.Self(), descriptor, 16649837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_loader)); 16650e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 1666c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier if (klass.get() != nullptr && !SkipClass(jclass_loader, dex_file, klass.get())) { 166764b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers // Only try to initialize classes that were successfully verified. 16683d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers if (klass->IsVerified()) { 16698f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize the class but bail if we either need to initialize the super-class 16708f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // or static fields. 16718f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, false); 167264b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers if (!klass->IsInitialized()) { 16738f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We don't want non-trivial class initialization occurring on multiple threads due to 16748f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // deadlock problems. For example, a parent class is initialized (holding its lock) that 16758f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // refers to a sub-class in its static/class initializer causing it to try to acquire the 16768f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) 16778f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // after first initializing its parents, whose locks are acquired. This leads to a 16788f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. 16798f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 16808f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // than use a special Object for the purpose we use the Class of java.lang.Class. 1681c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::Class> sirt_klass(soa.Self(), klass->GetClass()); 1682c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier ObjectLock<mirror::Class> lock(soa.Self(), &sirt_klass); 16838f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize allowing initialization of parent classes but still not static 16848f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // fields. 16858f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, true); 16868f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (!klass->IsInitialized()) { 16878f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to initialize static fields, we only do this for image classes that aren't 1688d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // marked with the $NoPreloadHolder (which implies this should not be initialized early). 16898f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers bool can_init_static_fields = manager->GetCompiler()->IsImage() && 1690d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz manager->GetCompiler()->IsImageClass(descriptor) && 1691d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 16928f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (can_init_static_fields) { 1693d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz VLOG(compiler) << "Initializing: " << descriptor; 1694d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (strcmp("Ljava/lang/Void;", descriptor) == 0) { 1695d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime. 1696d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz ObjectLock<mirror::Class> lock(soa.Self(), &klass); 1697d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz mirror::ObjectArray<mirror::ArtField>* fields = klass->GetSFields(); 1698d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz CHECK_EQ(fields->GetLength(), 1); 1699d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz fields->Get(0)->SetObj<false>(klass.get(), 1700d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz manager->GetClassLinker()->FindPrimitiveClass('V')); 1701d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz klass->SetStatus(mirror::Class::kStatusInitialized, soa.Self()); 1702d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } else { 1703d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO multithreading support. We should ensure the current compilation thread has 1704d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // exclusive access to the runtime and the transaction. To achieve this, we could use 1705d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity 1706d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // checks in Thread::AssertThreadSuspensionIsAllowable. 1707d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz Runtime* const runtime = Runtime::Current(); 1708d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz Transaction transaction; 1709d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz 1710d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Run the class initializer in transaction mode. 1711d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz runtime->EnterTransactionMode(&transaction); 1712d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz const mirror::Class::Status old_status = klass->GetStatus(); 1713d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz bool success = manager->GetClassLinker()->EnsureInitialized(klass, true, true); 1714d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO we detach transaction from runtime to indicate we quit the transactional 1715d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // mode which prevents the GC from visiting objects modified during the transaction. 1716d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Ensure GC is not run so don't access freed objects when aborting transaction. 1717d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz const char* old_casue = soa.Self()->StartAssertNoThreadSuspension("Transaction end"); 1718d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz runtime->ExitTransactionMode(); 1719d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz 1720d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (!success) { 1721d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz CHECK(soa.Self()->IsExceptionPending()); 1722d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz ThrowLocation throw_location; 1723d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz mirror::Throwable* exception = soa.Self()->GetException(&throw_location); 1724d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " 1725d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz << exception->Dump(); 1726d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz soa.Self()->ClearException(); 1727d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz transaction.Abort(); 1728d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; 17298f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 1730d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz soa.Self()->EndAssertNoThreadSuspension(old_casue); 173164b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 173264b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 173364b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 17348f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers soa.Self()->AssertNoPendingException(); 173564b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 173627ec961a1da540ba7f16c07a682585ab167317adBrian Carlstrom } 17373d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers // Record the final class status if necessary. 173851c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom ClassReference ref(manager->GetDexFile(), class_def_index); 17398f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 174098eacac683b78e60799323e8c7d59e7214808639jeffhao } 17411f5393447b9f45be7918042d9ee7b521376de866Ian Rogers // Clear any class not found or verification exceptions. 174262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 174398eacac683b78e60799323e8c7d59e7214808639jeffhao} 174498eacac683b78e60799323e8c7d59e7214808639jeffhao 17451212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 17463d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 17473d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("InitializeNoClinit"); 17483d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1749219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool); 1750d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz size_t thread_count; 1751d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (IsImage()) { 1752d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO: remove this when transactional mode supports multithreading. 1753d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = 1U; 1754d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } else { 1755d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = thread_count_; 1756d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } 1757d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count); 1758d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (IsImage()) { 1759d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Prune garbage objects created during aborted transactions. 1760d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz Runtime::Current()->GetHeap()->CollectGarbage(true); 1761d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } 17623d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers} 176390dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 17641212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject class_loader, 17651212a022fa5f8ef9585d765b1809521812af882cIan Rogers const std::vector<const DexFile*>& dex_files, 17663d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 17673d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers for (size_t i = 0; i != dex_files.size(); ++i) { 17683d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers const DexFile* dex_file = dex_files[i]; 176990dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao CHECK(dex_file != NULL); 17702f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom InitializeClasses(class_loader, *dex_file, thread_pool, timings); 177100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 177290dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao} 177390dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 17741212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 17753d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1776ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1777ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 177883db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom CHECK(dex_file != NULL); 17792f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom CompileDexFile(class_loader, *dex_file, thread_pool, timings); 178083db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom } 178183db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom} 178283db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom 1783219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersvoid CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 178467f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 17852d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jobject jclass_loader = manager->GetClassLoader(); 1786219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1787c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1788be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1789be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers if (SkipClass(class_linker, jclass_loader, dex_file, class_def)) { 1790be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers return; 17915ead0950c661761e90e04aefd6ea2205532ce874Brian Carlstrom } 1792d1224c79631bd1801b067a0f212b91afa961a362jeffhao ClassReference ref(&dex_file, class_def_index); 1793d1224c79631bd1801b067a0f212b91afa961a362jeffhao // Skip compiling classes with generic verifier failures since they will still fail at runtime 1794c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko if (manager->GetCompiler()->verification_results_->IsClassRejected(ref)) { 1795d1224c79631bd1801b067a0f212b91afa961a362jeffhao return; 1796d1224c79631bd1801b067a0f212b91afa961a362jeffhao } 17970571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers const byte* class_data = dex_file.GetClassData(class_def); 17980571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (class_data == NULL) { 17990571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // empty class, probably a marker interface 18000571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers return; 18010571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 180267f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 18032d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 180475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 18052d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 18062d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 1807590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 1808590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Decode<mirror::ClassLoader*>(jclass_loader)); 18099837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(soa.Self(), class_loader, dex_file, 18109837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 18112d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 18120571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ClassDataItemIterator it(dex_file, class_data); 18130571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Skip fields 18140571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextStaticField()) { 18150571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18160571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 18170571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextInstanceField()) { 18180571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18190571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 1820be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers CompilerDriver* driver = manager->GetCompiler(); 18210571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile direct methods 182268adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_direct_method_idx = -1; 18230571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextDirectMethod()) { 18246f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 18256f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_direct_method_idx) { 18266f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 18276f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 18286f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 18296f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 18306f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 18316f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_direct_method_idx = method_idx; 1832be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 1833be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1834be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 18350571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18369ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 18370571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile virtual methods 183868adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_virtual_method_idx = -1; 18390571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextVirtualMethod()) { 18406f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 18416f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_virtual_method_idx) { 18426f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 18436f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 18446f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 18456f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 18466f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 18476f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_virtual_method_idx = method_idx; 1848be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 1849be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1850be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 18510571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18529ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 18530571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers DCHECK(!it.HasNext()); 18549ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 18559ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 18561212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 18573d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 18583d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Compile Dex File"); 1859be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, 1860be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers &dex_file, thread_pool); 18611212a022fa5f8ef9585d765b1809521812af882cIan Rogers context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 1862c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes} 1863c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes 18641212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 18658b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType invoke_type, uint16_t class_def_idx, 18661212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t method_idx, jobject class_loader, 18672d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile& dex_file, 186875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level) { 1869f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes CompiledMethod* compiled_method = NULL; 1870bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes uint64_t start_ns = NanoTime(); 18714dd96f56909ec35c83a3d468b0e47769988c1a1dLogan Chien 1872169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers if ((access_flags & kAccNative) != 0) { 18730188ab739c3ef8bcd521d88f84894db8c0f012c5Ian Rogers // Are we interpreting only and have support for generic JNI down calls? 18745b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers if ((compiler_options_->GetCompilerFilter() == CompilerOptions::kInterpretOnly) && 1875b95a5345ae4217b70ca36f0cced92f68dda7caf5Stuart Monteith (instruction_set_ == kX86_64 || instruction_set_ == kArm64)) { 18765b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers // Leaving this empty will trigger the generic JNI version 18775b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } else { 18785b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers compiled_method = compiler_->JniCompile(*this, access_flags, method_idx, dex_file); 18795b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers CHECK(compiled_method != NULL); 18805b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } 1881169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers } else if ((access_flags & kAccAbstract) != 0) { 18822cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } else { 188390af14d2743614e3e1453984b14258a6f145501dDragos Sbirlea MethodReference method_ref(&dex_file, method_idx); 18846449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom bool compile = verification_results_->IsCandidateForCompilation(method_ref, access_flags); 18854d4adb1dae07bb7421e863732ab789413a3b43f0Sebastien Hertz if (compile) { 1886a024a0686c3b0fea13f362bff70d65981e5febc5buzbee // NOTE: if compiler declines to compile this method, it will return NULL. 1887b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiled_method = compiler_->Compile( 1888f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray *this, code_item, access_flags, invoke_type, class_def_idx, 1889f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray method_idx, class_loader, dex_file); 189075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else if (dex_to_dex_compilation_level != kDontDexToDexCompile) { 18912d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // TODO: add a mode to disable DEX-to-DEX compilation ? 189275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz (*dex_to_dex_compiler_)(*this, code_item, access_flags, 189375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz invoke_type, class_def_idx, 189475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz method_idx, class_loader, dex_file, 189575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compilation_level); 1896f3e9855ee2000106b54fd479f7a46da2dc2ad079Ian Rogers } 1897bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes } 18983bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers uint64_t duration_ns = NanoTime() - start_ns; 1899b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray if (duration_ns > MsToNs(compiler_->GetMaximumCompilationTimeBeforeWarning())) { 1900bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 19013bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers << " took " << PrettyDuration(duration_ns); 1902f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes } 1903f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes 190450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 1905f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes if (compiled_method != NULL) { 19060571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodReference ref(&dex_file, method_idx); 19078f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers DCHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 190800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 190950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 191000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers compiled_methods_.Put(ref, compiled_method); 191100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 19120755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 19132cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } 19149baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom 191550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->IsExceptionPending()) { 191650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 191700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 191862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << self->GetException(NULL)->Dump(); 191900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 19200571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers} 192128ad40dc3ec2f09b0ffd4f6d6787bf1b532ccd5dIan Rogers 19221212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 192350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 19240755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom ClassTable::const_iterator it = compiled_classes_.find(ref); 19250755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom if (it == compiled_classes_.end()) { 19260755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return NULL; 19270755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom } 19280755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom CHECK(it->second != NULL); 19290755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return it->second; 19300755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom} 19310755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 19328f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogersvoid CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { 19338f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 19348f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers auto it = compiled_classes_.find(ref); 19358f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it == compiled_classes_.end() || it->second->GetStatus() != status) { 19368f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // An entry doesn't exist or the status is lower than the new status. 19378f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it != compiled_classes_.end()) { 19388f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CHECK_GT(status, it->second->GetStatus()); 19398f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers delete it->second; 19408f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 19418f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers switch (status) { 19428f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusNotReady: 19438f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusError: 19448f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusRetryVerificationAtRuntime: 19458f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusVerified: 19468f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusInitialized: 19478f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers break; // Expected states. 19488f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers default: 19498f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers LOG(FATAL) << "Unexpected class status for class " 19508f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) 19518f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << " of " << status; 19528f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 19538f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CompiledClass* compiled_class = new CompiledClass(status); 19548f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers compiled_classes_.Overwrite(ref, compiled_class); 19558f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 19568f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers} 19578f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers 19581212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 195950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 19600571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodTable::const_iterator it = compiled_methods_.find(ref); 19610571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (it == compiled_methods_.end()) { 19623320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return NULL; 19632c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers } 19643320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom CHECK(it->second != NULL); 19653320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return it->second; 19669ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 19679ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 19681212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 19698b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 19708f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers WriterMutexLock mu(self, freezing_constructor_lock_); 1971fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 1972fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 1973fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 19741212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 19758b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 19768f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ReaderMutexLock mu(self, freezing_constructor_lock_); 1977fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 1978fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 1979fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 19803f47c12487250f61f3be95e9f275e3b08e2c49fbBrian Carlstrombool CompilerDriver::WriteElf(const std::string& android_root, 1981265091e581c9f643b37e7966890911f09e223269Brian Carlstrom bool is_host, 198251c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const std::vector<const art::DexFile*>& dex_files, 19833d504075f7c1204d581923460754bf6d3714b13fIan Rogers OatWriter* oat_writer, 198451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::File* file) 198551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1986b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray return compiler_->WriteElf(file, oat_writer, dex_files, android_root, is_host, *this); 1987265091e581c9f643b37e7966890911f09e223269Brian Carlstrom} 19881212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 19893d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_triple, 19903d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_cpu, 19913d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_attr) { 1992265091e581c9f643b37e7966890911f09e223269Brian Carlstrom switch (instruction_set) { 1993700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kThumb2: 19943d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "thumb-none-linux-gnueabi"; 19953d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 19963d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 1997700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 1998700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 1999700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kArm: 20003d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "armv7-none-linux-gnueabi"; 2001700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Nexus S. 20023d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 2003700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Xoom. 20043d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2005700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2006700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2007700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kX86: 20083d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "i386-pc-linux-gnu"; 20093d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = ""; 2010700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2011700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2012700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kMips: 20133d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "mipsel-unknown-linux"; 20143d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "mips32r2"; 2015700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2016700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2017700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom default: 2018700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2019700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 2020700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 202139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 202239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allisonbool CompilerDriver::ReadProfile(const std::string& filename) { 202339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "reading profile file " << filename; 202439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison struct stat st; 202539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison int err = stat(filename.c_str(), &st); 202639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (err == -1) { 202739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "not found"; 202839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return false; 202939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 203039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::ifstream in(filename.c_str()); 203139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (!in) { 203239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "profile file " << filename << " exists but can't be opened"; 203339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "file owner: " << st.st_uid << ":" << st.st_gid; 203439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "me: " << getuid() << ":" << getgid(); 203539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "file permissions: " << std::oct << st.st_mode; 203639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "errno: " << errno; 203739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return false; 203839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 203939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // The first line contains summary information. 204039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::string line; 204139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::getline(in, line); 204239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (in.eof()) { 204339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return false; 204439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 204539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::vector<std::string> summary_info; 204639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison Split(line, '/', summary_info); 204739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (summary_info.size() != 3) { 204839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Bad summary info. It should be count/total/bootpath 204939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return false; 205039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 205139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // This is the number of hits in all methods. 205239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison uint32_t total_count = 0; 205339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison for (int i = 0 ; i < 3; ++i) { 2054ea1e520e5a4b52b668ea2f9d3abdd9ae3a192186Calin Juravle total_count += atoi(summary_info[i].c_str()); 205539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 205639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 205739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Now read each line until the end of file. Each line consists of 3 fields separated by / 2058f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Store the info in desceding order given by the most used methods 2059f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle typedef std::set<std::pair<int, std::vector<std::string>>> ProfileSet; 2060f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle ProfileSet countSet; 206139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison while (!in.eof()) { 206239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::getline(in, line); 206339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (in.eof()) { 206439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison break; 206539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 206639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::vector<std::string> info; 206739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison Split(line, '/', info); 206839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (info.size() != 3) { 206939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Malformed. 207039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison break; 207139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2072f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle int count = atoi(info[1].c_str()); 2073f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle countSet.insert(std::make_pair(-count, info)); 2074f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle } 2075f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle 2076f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle uint32_t curTotalCount = 0; 2077f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle ProfileSet::iterator end = countSet.end(); 2078f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle const ProfileData* prevData = nullptr; 2079f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle for (ProfileSet::iterator it = countSet.begin(); it != end ; it++) { 2080f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle const std::string& methodname = it->second[0]; 2081f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle uint32_t count = -it->first; 2082f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle uint32_t size = atoi(it->second[2].c_str()); 2083f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle double usedPercent = (count * 100.0) / total_count; 2084f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle 2085f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle curTotalCount += count; 2086f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Methods with the same count should be part of the same top K percentage bucket 2087f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle double topKPercentage = (prevData != nullptr) && (prevData->GetCount() == count) 2088f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle ? prevData->GetTopKUsedPercentage() 2089f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle : 100 * static_cast<double>(curTotalCount) / static_cast<double>(total_count); 2090f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle 209139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Add it to the profile map 2092f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle ProfileData curData = ProfileData(methodname, count, size, usedPercent, topKPercentage); 2093f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle profile_map_[methodname] = curData; 2094f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle prevData = &curData; 209539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 209639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return true; 209739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison} 209839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 209939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allisonbool CompilerDriver::SkipCompilation(const std::string& method_name) { 210039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (!profile_ok_) { 210139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return true; 210239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2103f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Methods that comprise kThresholdPercent % of the total samples will be compiled 2104f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle constexpr double kThresholdPercent = 90.0; 210539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 210639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // First find the method in the profile map. 210739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison ProfileMap::iterator i = profile_map_.find(method_name); 210839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (i == profile_map_.end()) { 210939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Not in profile, no information can be determined. 211039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "not compiling " << method_name << " because it's not in the profile"; 211139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return true; 211239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 211339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison const ProfileData& data = i->second; 2114f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Compare against the start of the topK percentage bucket just in case the threshold 2115f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // falls inside a bucket 2116f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle bool compile = data.GetTopKUsedPercentage() - data.GetUsedPercent() <= kThresholdPercent; 211739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (compile) { 2118f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle LOG(INFO) << "compiling method " << method_name << " because its usage is part of top " 2119f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle << data.GetTopKUsedPercentage() << "% with a percent of " << data.GetUsedPercent() << "%"; 212039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } else { 212139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "not compiling method " << method_name << " because usage is too low (" 2122f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle << data.GetUsedPercent() << "%)"; 212339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 212439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return !compile; 212539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison} 21269ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} // namespace art 2127