compiler_driver.cc revision 62746d8d9c4400e4764f162b22bfb1a32be287a9
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 2267f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum#include <vector> 23d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes#include <unistd.h> 2427ec961a1da540ba7f16c07a682585ab167317adBrian Carlstrom 2525fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier#ifndef __APPLE__ 2625fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier#include <malloc.h> // For mallinfo 2725fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier#endif 2825fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier 291aa246dec5abe212f699de1413a0c4a191ca364aElliott Hughes#include "base/stl_util.h" 30a84395489098e4531619b1cffd1afc282b14510eSameer Abu Asal#include "base/timing_logger.h" 319ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom#include "class_linker.h" 3298d1cc8033251c93786e2fa8c59a2e555a9493beMingyao Yang#include "compiled_class.h" 33b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray#include "compiler.h" 34be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko#include "compiler_driver-inl.h" 3589756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogers#include "dex_compilation_unit.h" 364f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 37c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko#include "dex/verification_results.h" 382730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko#include "dex/verified_method.h" 392bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "dex/quick/dex_file_method_inliner.h" 40ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell#include "driver/compiler_options.h" 419baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom#include "jni_internal.h" 4222d5e735f403c57525fe868304c7123f0ce66399Ian Rogers#include "object_lock.h" 43bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle#include "profiler.h" 441f87008b165d26541d832ff805250afdc89c253dBrian Carlstrom#include "runtime.h" 451d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 461d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/heap_bitmap.h" 471d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space.h" 48ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 49ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 502dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 512dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 5239ebcb800aabedd0ffa6aa4aeac8aa4194c66e61Ian Rogers#include "mirror/dex_cache-inl.h" 532dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 542dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 552dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 5600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "scoped_thread_state_change.h" 5700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "ScopedLocalRef.h" 58eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier#include "handle_scope-inl.h" 5950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#include "thread.h" 600e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier#include "thread_pool.h" 61848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers#include "trampolines/trampoline_compiler.h" 62d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz#include "transaction.h" 6362746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe#include "utils/swap_space.h" 64776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers#include "verifier/method_verifier.h" 652bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "verifier/method_verifier-inl.h" 669ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 679ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstromnamespace art { 689ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 696dd35ccbfbb29201c84a54261d75977c598ef2e6Ian Rogersstatic constexpr bool kTimeCompileMethod = !kIsDebugBuild; 70b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier 71996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic double Percentage(size_t x, size_t y) { 72398f64b5805246765b699839b439e18c0dfbf2eeElliott Hughes return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); 73996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 74996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 75996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic void DumpStat(size_t x, size_t y, const char* str) { 76996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (x == 0 && y == 0) { 77996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return; 78996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 79e732ef1c0192acd71925bd0ff1ab09640d45531dIan Rogers LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; 80996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 81996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 82f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markoclass CompilerDriver::AOTCompilationStats { 83c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers public: 84ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers AOTCompilationStats() 85ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers : stats_lock_("AOT compilation statistics lock"), 86ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers types_in_dex_cache_(0), types_not_in_dex_cache_(0), 87ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), 88ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_types_(0), unresolved_types_(0), 89ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_instance_fields_(0), unresolved_instance_fields_(0), 9002c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), 91fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_(0), 92fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_(0), not_safe_casts_(0) { 932ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 94c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[i] = 0; 95c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[i] = 0; 962ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[i] = 0; 972ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[i] = 0; 982ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[i] = 0; 99b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes } 100c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 101c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 102c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void Dump() { 103c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); 104c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); 105c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_types_, unresolved_types_, "types resolved"); 106c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); 107c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, 108c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields resolved"); 109c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, 110c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields local to a class"); 111fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); 112fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // Note, the code below subtracts the stat value so that when added to the stat value we have 113fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // 100% of samples. TODO: clean this up. 114fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(type_based_devirtualization_, 115fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + 116fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kInterface] + unresolved_methods_[kInterface] - 117fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_, 118fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers "virtual/interface calls made direct based on type information"); 119c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 1202ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 121c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers std::ostringstream oss; 1222ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; 123c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); 1242ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (virtual_made_direct_[i] > 0) { 1252ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1262ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " methods made direct"; 1272ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(virtual_made_direct_[i], 1282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], 1292ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_calls_to_boot_[i] > 0) { 1322ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; 1342ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_calls_to_boot_[i], 1352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], 1362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_methods_to_boot_[i] > 0) { 1392ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1402ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; 1412ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_methods_to_boot_[i], 1422ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], 1432ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1442ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 145c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 146c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 147996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 14850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers// Allow lossy statistics in non-debug builds. 149996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#ifndef NDEBUG 15050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) 151996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#else 152996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#define STATS_LOCK() 153996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#endif 154996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 155c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeInDexCache() { 156c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 157c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_in_dex_cache_++; 158c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 159996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 160c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNotInDexCache() { 161c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 162c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_not_in_dex_cache_++; 163c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 164996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 165c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringInDexCache() { 166c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 167c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_in_dex_cache_++; 168c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 169996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 170c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringNotInDexCache() { 171c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 172c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_not_in_dex_cache_++; 173c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 174996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 175c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeDoesntNeedAccessCheck() { 176c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 177c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_types_++; 178c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 179996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 180c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNeedsAccessCheck() { 181c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 182c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_types_++; 183c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 184996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 185c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedInstanceField() { 186c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 187c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_instance_fields_++; 188c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 189996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 190b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes void UnresolvedInstanceField() { 191c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 192c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_instance_fields_++; 193c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 194996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 195c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedLocalStaticField() { 196c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 197c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_local_static_fields_++; 198c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 199996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 200c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedStaticField() { 201c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 202c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_static_fields_++; 203c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 204996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 205c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedStaticField() { 206c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 207c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_static_fields_++; 208c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 209996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 210e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that type information from the verifier led to devirtualization. 21102c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal void PreciseTypeDevirtualization() { 21202c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal STATS_LOCK(); 21302c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal type_based_devirtualization_++; 21402c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal } 215e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers 216e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was resolved at compile time. 217c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedMethod(InvokeType type) { 218c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 219c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 220c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[type]++; 221996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 222996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 223e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was unresolved at compile time as it was in an 224e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // unknown dex file. 225c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedMethod(InvokeType type) { 226c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 227c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 228c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[type]++; 229996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 230c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 231e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a type of virtual method dispatch has been converted into a direct method 232e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // dispatch. 2332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void VirtualMadeDirect(InvokeType type) { 234e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers DCHECK(type == kVirtual || type == kInterface || type == kSuper); 2352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[type]++; 2372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 239e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to call directly into boot. 2402ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectCallsToBoot(InvokeType type) { 2412ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 2422ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2432ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[type]++; 2442ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2452ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 246e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to be resolved directly from boot. 2472ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectMethodsToBoot(InvokeType type) { 2482ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 249fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers STATS_LOCK(); 2502ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[type]++; 251fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers } 2522ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 253f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko void ProcessedInvoke(InvokeType type, int flags) { 254f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko STATS_LOCK(); 255f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (flags == 0) { 256f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko unresolved_methods_[type]++; 257f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 258f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_NE((flags & kFlagMethodResolved), 0); 259f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_methods_[type]++; 260f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagVirtualMadeDirect) != 0) { 261f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko virtual_made_direct_[type]++; 262f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagPreciseTypeDevirtualization) != 0) { 263f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko type_based_devirtualization_++; 264f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 265f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 266f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_EQ((flags & kFlagPreciseTypeDevirtualization), 0); 267f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 268f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectCallToBoot) != 0) { 269f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_calls_to_boot_[type]++; 270f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 271f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectMethodToBoot) != 0) { 272f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_methods_to_boot_[type]++; 273f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 274f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 275f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 276f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 277fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast could be eliminated due to verifier type analysis. 278fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void SafeCast() { 279fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 280fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_++; 281fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 282fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 283fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast couldn't be eliminated due to verifier type analysis. 284fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void NotASafeCast() { 285fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 286fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers not_safe_casts_++; 287fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 288fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 289c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers private: 290c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers Mutex stats_lock_; 291c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 292c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_in_dex_cache_; 293c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_not_in_dex_cache_; 294c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 295c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_in_dex_cache_; 296c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_not_in_dex_cache_; 297c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 298c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_types_; 299c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_types_; 300c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 301c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_instance_fields_; 302c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_instance_fields_; 303c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 304c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_local_static_fields_; 305c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_static_fields_; 306c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_static_fields_; 30702c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal // Type based devirtualization for invoke interface and virtual. 30802c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal size_t type_based_devirtualization_; 309c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 310c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_methods_[kMaxInvokeType + 1]; 311c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_methods_[kMaxInvokeType + 1]; 3122ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t virtual_made_direct_[kMaxInvokeType + 1]; 3132ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_calls_to_boot_[kMaxInvokeType + 1]; 3142ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_methods_to_boot_[kMaxInvokeType + 1]; 315c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 316fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t safe_casts_; 317fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t not_safe_casts_; 318fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 319b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); 320c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers}; 321996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 32251c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 32351c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstromextern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, 32451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile::CodeItem* code_item, 32551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t access_flags, 32651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::InvokeType invoke_type, 3278b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx, 32851c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t method_idx, 32951c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom jobject class_loader, 33051c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile& dex_file); 33151c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 3326449c62e40ef3a9bb75f664f922555affb532ee4Brian CarlstromCompilerDriver::CompilerDriver(const CompilerOptions* compiler_options, 3336449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom VerificationResults* verification_results, 3345816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko DexFileToMethodInlinerMap* method_inliner_map, 335b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray Compiler::Kind compiler_kind, 336f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray InstructionSet instruction_set, 3377020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison InstructionSetFeatures instruction_set_features, 33826318f722958ac1cba6a812026a1377f37c54941Andreas Gampe bool image, std::set<std::string>* image_classes, 33926318f722958ac1cba6a812026a1377f37c54941Andreas Gampe std::set<std::string>* compiled_classes, size_t thread_count, 34039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison bool dump_stats, bool dump_passes, CumulativeLogger* timer, 34162746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe int swap_fd, std::string profile_file) 34262746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe : swap_space_(swap_fd == -1 ? nullptr : new SwapSpace(swap_fd, 10 * MB)), 34362746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe swap_space_allocator_(new SwapAllocator<void>(swap_space_.get())), 34462746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe profile_present_(false), compiler_options_(compiler_options), 3456449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom verification_results_(verification_results), 3465816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko method_inliner_map_(method_inliner_map), 34772d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_(Compiler::Create(this, compiler_kind)), 348c531cefbfb5394413122e9f57d211ba436cff012buzbee instruction_set_(instruction_set), 3497020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison instruction_set_features_(instruction_set_features), 350fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_lock_("freezing constructor lock"), 351c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_classes_lock_("compiled classes lock"), 352c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_methods_lock_("compiled method lock"), 35362746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe compiled_methods_(MethodTable::key_compare()), 354aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom image_(image), 35596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes_(image_classes), 35626318f722958ac1cba6a812026a1377f37c54941Andreas Gampe classes_to_compile_(compiled_classes), 3575523ee070b005576c6f889415205d49ea77cf243Elliott Hughes thread_count_(thread_count), 35800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers start_ns_(0), 359c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_(new AOTCompilationStats), 360ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom dump_stats_(dump_stats), 361ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray dump_passes_(dump_passes), 362ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray timings_logger_(timer), 36335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_library_(nullptr), 36435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_context_(nullptr), 36535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_enable_auto_elf_loading_(nullptr), 36635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_get_method_code_addr_(nullptr), 36755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell support_boot_image_fixup_(instruction_set != kMips), 368ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell cfi_info_(nullptr), 36962746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe // Use actual deduping only if we don't use swap. 37062746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe dedupe_code_("dedupe code", *swap_space_allocator_), 37162746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe dedupe_mapping_table_("dedupe mapping table", *swap_space_allocator_), 37262746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe dedupe_vmap_table_("dedupe vmap table", *swap_space_allocator_), 37362746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe dedupe_gc_map_("dedupe gc map", *swap_space_allocator_), 37462746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe dedupe_cfi_info_("dedupe cfi info", *swap_space_allocator_) { 3756449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(compiler_options_ != nullptr); 3766449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(verification_results_ != nullptr); 3776449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(method_inliner_map_ != nullptr); 3782ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom 37935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, nullptr), "compiler tls key"); 3804df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 38175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); 3822d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 38372d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_->Init(); 38400bc1dc4f81268d78d7dfeb298b85c56876425a9Brian Carlstrom 38525c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom CHECK(!Runtime::Current()->IsStarted()); 386d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root if (image_) { 387d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() != nullptr); 388d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root } else { 389d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() == nullptr); 390ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 391ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 392ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell // Are we generating CFI information? 393ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (compiler_options->GetGenerateGDBInformation()) { 394b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray cfi_info_.reset(compiler_->GetCallFrameInformationInitialization(*this)); 395ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 396c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle 397c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle // Read the profile file if one is provided. 398c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (!profile_file.empty()) { 399c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle profile_present_ = profile_file_.LoadFile(profile_file); 400c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (profile_present_) { 401c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle LOG(INFO) << "Using profile data form file " << profile_file; 402c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } else { 403c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle LOG(INFO) << "Failed to load profile file " << profile_file; 404c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } 405c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } 406c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao} 407c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao 40862746d8d9c4400e4764f162b22bfb1a32be287a9Andreas GampeSwapVector<uint8_t>* CompilerDriver::DeduplicateCode(const ArrayRef<const uint8_t>& code) { 409193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_code_.Add(Thread::Current(), code); 410193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 411193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 41262746d8d9c4400e4764f162b22bfb1a32be287a9Andreas GampeSwapVector<uint8_t>* CompilerDriver::DeduplicateMappingTable(const ArrayRef<const uint8_t>& code) { 413193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_mapping_table_.Add(Thread::Current(), code); 414193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 415193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 41662746d8d9c4400e4764f162b22bfb1a32be287a9Andreas GampeSwapVector<uint8_t>* CompilerDriver::DeduplicateVMapTable(const ArrayRef<const uint8_t>& code) { 417193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_vmap_table_.Add(Thread::Current(), code); 418193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 419193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 42062746d8d9c4400e4764f162b22bfb1a32be287a9Andreas GampeSwapVector<uint8_t>* CompilerDriver::DeduplicateGCMap(const ArrayRef<const uint8_t>& code) { 421193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_gc_map_.Add(Thread::Current(), code); 422193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 423193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 42462746d8d9c4400e4764f162b22bfb1a32be287a9Andreas GampeSwapVector<uint8_t>* CompilerDriver::DeduplicateCFIInfo(const ArrayRef<const uint8_t>& cfi_info) { 42562746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe return dedupe_cfi_info_.Add(Thread::Current(), cfi_info); 426ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell} 427ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 4281212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerDriver::~CompilerDriver() { 42950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 430c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 43150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_classes_lock_); 432c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_classes_); 433f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&code_to_patch_); 434f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&methods_to_patch_); 435be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi STLDeleteElements(&classes_to_patch_); 436807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier STLDeleteElements(&strings_to_patch_); 43762746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe 43862746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe for (auto& pair : compiled_methods_) { 43962746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe CompiledMethod::ReleaseSwapAllocatedCompiledMethod(this, pair.second); 44062746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe } 441be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 442ed6d5ed3494648780b9e91422c90d6bc22c16b79Mathieu Chartier CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); 44372d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_->UnInit(); 4443320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom} 4453320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 4461212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerTls* CompilerDriver::GetTls() { 4474df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee // Lazily create thread-local storage 4484df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); 44935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (res == nullptr) { 4504df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee res = new CompilerTls(); 4514df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); 4524df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee } 4534df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee return res; 4544df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee} 4554df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 456dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers#define CREATE_TRAMPOLINE(type, abi, offset) \ 457af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe if (Is64BitInstructionSet(instruction_set_)) { \ 458dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers return CreateTrampoline64(instruction_set_, abi, \ 459dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers type ## _ENTRYPOINT_OFFSET(8, offset)); \ 460dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } else { \ 461dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers return CreateTrampoline32(instruction_set_, abi, \ 462dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers type ## _ENTRYPOINT_OFFSET(4, offset)); \ 463dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } 464dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers 465848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterBridge() const { 466dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(INTERPRETER, kInterpreterAbi, pInterpreterToInterpreterBridge) 467848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 468848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 469848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToCompiledCodeBridge() const { 470dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(INTERPRETER, kInterpreterAbi, pInterpreterToCompiledCodeBridge) 471848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 472848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 473848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateJniDlsymLookup() const { 474dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(JNI, kJniAbi, pDlsymLookup) 475848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 476848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 47788474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableImtConflictTrampoline() const { 478dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableImtConflictTrampoline) 47988474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 48088474b416eb257078e590bf9bc7957cee604a186Jeff Hao 4810aba0ba155bef7346bde19e53581200b89ae8a7aJeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { 482dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableResolutionTrampoline) 4830aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4840aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 485848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreatePortableToInterpreterBridge() const { 486dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableToInterpreterBridge) 4870aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4880aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 4892da882315a61072664f7ce3c212307342e907207Andreas Gampeconst std::vector<uint8_t>* CompilerDriver::CreateQuickGenericJniTrampoline() const { 490dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickGenericJniTrampoline) 4912da882315a61072664f7ce3c212307342e907207Andreas Gampe} 4922da882315a61072664f7ce3c212307342e907207Andreas Gampe 49388474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreateQuickImtConflictTrampoline() const { 494dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickImtConflictTrampoline) 49588474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 49688474b416eb257078e590bf9bc7957cee604a186Jeff Hao 497848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 498dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickResolutionTrampoline) 4990aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 5000aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 501848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickToInterpreterBridge() const { 502dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickToInterpreterBridge) 5030aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 504dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers#undef CREATE_TRAMPOLINE 5050aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 5061212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileAll(jobject class_loader, 5074560248d4c85cade7f4fc7b30c3fb41b95a04a7fBrian Carlstrom const std::vector<const DexFile*>& dex_files, 5083d504075f7c1204d581923460754bf6d3714b13fIan Rogers TimingLogger* timings) { 50925c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 510700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", thread_count_ - 1)); 51125fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "Before precompile " << GetMemoryUsageString(); 5123d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(class_loader, dex_files, thread_pool.get(), timings); 5133d504075f7c1204d581923460754bf6d3714b13fIan Rogers Compile(class_loader, dex_files, thread_pool.get(), timings); 514ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom if (dump_stats_) { 515ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom stats_->Dump(); 516ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom } 5178a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom} 5188a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 519590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierstatic DexToDexCompilationLevel GetDexToDexCompilationlevel( 5200cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier Thread* self, Handle<mirror::ClassLoader> class_loader, const DexFile& dex_file, 521590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const DexFile::ClassDef& class_def) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 5222d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const char* descriptor = dex_file.GetClassDescriptor(class_def); 5232d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 5249837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); 52535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass == nullptr) { 5262d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz CHECK(self->IsExceptionPending()); 5272d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->ClearException(); 52875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 52975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } 53035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // DexToDex at the kOptimize level may introduce quickened opcodes, which replace symbolic 53135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // references with actual offsets. We cannot re-verify such instructions. 53235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // 53335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // We store the verification information in the class status in the oat file, which the linker 53435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // can validate (checksums) and use to skip load-time verification. It is thus safe to 53535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // optimize when a class has been fully verified before. 53635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass->IsVerified()) { 53775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class is verified so we can enable DEX-to-DEX compilation for performance. 53875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kOptimize; 53975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else if (klass->IsCompileTimeVerified()) { 54075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has soft-failed. Anyway, ensure at least correctness. 54175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); 54275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kRequired; 54375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else { 54475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has failed: do not run DEX-to-DEX compilation. 54575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 5462d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 5472d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz} 5482d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 5493d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::CompileOne(mirror::ArtMethod* method, TimingLogger* timings) { 55025c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 55100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 5522d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jobject jclass_loader; 55300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 5548b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx; 555ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t method_idx = method->GetDexMethodIndex(); 556ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t access_flags = method->GetAccessFlags(); 557ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers InvokeType invoke_type = method->GetInvokeType(); 55800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 55900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 56000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> 56100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers local_class_loader(soa.Env(), 56200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 5632d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 56400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Find the dex_file 565bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier dex_file = method->GetDexFile(); 566bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier class_def_idx = method->GetClassDefIndex(); 56700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 568ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 56900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kNative); 570ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 571ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom std::vector<const DexFile*> dex_files; 57200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_files.push_back(dex_file); 573ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 574700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", 0U)); 5753d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(jclass_loader, dex_files, thread_pool.get(), timings); 576ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5772d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 57875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 5792d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 5802d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 5812d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 582eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 583eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 584eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 5859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(self, class_loader, *dex_file, 5869837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 5872d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 588ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers CompileMethod(code_item, access_flags, invoke_type, class_def_idx, method_idx, jclass_loader, 58926318f722958ac1cba6a812026a1377f37c54941Andreas Gampe *dex_file, dex_to_dex_compilation_level, true); 590ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5912d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 59200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 59300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 5949ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 5959ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 5961212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 5973d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 598ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 599ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 600d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(dex_file != nullptr); 6010171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ResolveDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 6029ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 6039ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 6049ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 6051212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 6063d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 60796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LoadImageClasses(timings); 60825fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "LoadImageClasses: " << GetMemoryUsageString(); 60996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 61035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe Resolve(class_loader, dex_files, thread_pool, timings); 61125fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "Resolve: " << GetMemoryUsageString(); 61235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 6134a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsVerificationEnabled()) { 61425fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "Verify none mode specified, skipping verification."; 61535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe SetVerified(class_loader, dex_files, thread_pool, timings); 6164a200f56b7075309316b04d550c9cc50f8314eddJeff Hao return; 6174a200f56b7075309316b04d550c9cc50f8314eddJeff Hao } 6184a200f56b7075309316b04d550c9cc50f8314eddJeff Hao 6192f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Verify(class_loader, dex_files, thread_pool, timings); 62025fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "Verify: " << GetMemoryUsageString(); 621ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 6222f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom InitializeClasses(class_loader, dex_files, thread_pool, timings); 62325fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "InitializeClasses: " << GetMemoryUsageString(); 62496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 62596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom UpdateImageClasses(timings); 62625fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "UpdateImageClasses: " << GetMemoryUsageString(); 627ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 628ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 629dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogersbool CompilerDriver::IsImageClass(const char* descriptor) const { 630e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 63196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 632e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 633dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers return image_classes_->find(descriptor) != image_classes_->end(); 634ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 635ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 636ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 63726318f722958ac1cba6a812026a1377f37c54941Andreas Gampebool CompilerDriver::IsClassToCompile(const char* descriptor) const { 63826318f722958ac1cba6a812026a1377f37c54941Andreas Gampe if (!IsImage()) { 63926318f722958ac1cba6a812026a1377f37c54941Andreas Gampe return true; 64026318f722958ac1cba6a812026a1377f37c54941Andreas Gampe } else { 64126318f722958ac1cba6a812026a1377f37c54941Andreas Gampe if (classes_to_compile_ == nullptr) { 64226318f722958ac1cba6a812026a1377f37c54941Andreas Gampe return true; 64326318f722958ac1cba6a812026a1377f37c54941Andreas Gampe } 64426318f722958ac1cba6a812026a1377f37c54941Andreas Gampe return classes_to_compile_->find(descriptor) != classes_to_compile_->end(); 64526318f722958ac1cba6a812026a1377f37c54941Andreas Gampe } 64626318f722958ac1cba6a812026a1377f37c54941Andreas Gampe} 64726318f722958ac1cba6a812026a1377f37c54941Andreas Gampe 64896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic void ResolveExceptionsForMethod(MethodHelper* mh, 649700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>>& exceptions_to_resolve) 65096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 651bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = mh->GetMethod()->GetCodeItem(); 65235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (code_item == nullptr) { 65396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // native or abstract method 65496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item->tries_size_ == 0) { 65696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // nothing to process 65796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 65996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 66096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 66196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 66296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom bool has_catch_all = false; 66396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (encoded_catch_handler_size <= 0) { 66496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom encoded_catch_handler_size = -encoded_catch_handler_size; 66596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom has_catch_all = true; 66696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 66896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom uint16_t encoded_catch_handler_handlers_type_idx = 66996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 67096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Add to set of types to resolve if not already in the dex cache resolved types 671bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (!mh->GetMethod()->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 67296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom exceptions_to_resolve.insert( 67396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 674bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh->GetMethod()->GetDexFile())); 67596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 67696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore address associated with catch handler 67796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 67896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 67996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (has_catch_all) { 68096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore catch all address 68196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 68296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 68396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 68496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 68596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 68696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 68796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 688700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>>* exceptions_to_resolve = 689700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*>>*>(arg); 690bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<1> hs(Thread::Current()); 691bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle<mirror::ArtMethod>(nullptr)); 69296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 693bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh.ChangeMethod(c->GetVirtualMethod(i)); 69496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 69596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 69696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 697bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh.ChangeMethod(c->GetDirectMethod(i)); 69896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 69996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 70096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 70196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 70296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 70396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 70496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 705cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::set<std::string>* image_classes = reinterpret_cast<std::set<std::string>*>(arg); 706cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 707cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers image_classes->insert(klass->GetDescriptor(&temp)); 70896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 70996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 71096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 71196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom// Make a list of descriptors for classes to include in the image 7123d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::LoadImageClasses(TimingLogger* timings) 71396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOCKS_EXCLUDED(Locks::mutator_lock_) { 714d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(timings != nullptr); 715e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 71696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; 71796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 71896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 719f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("LoadImageClasses", timings); 72096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Make a first class to load all classes explicitly listed in the file 72196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom Thread* self = Thread::Current(); 72296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ScopedObjectAccess soa(self); 72396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 724d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() != nullptr); 72502e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 726e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko const std::string& descriptor(*it); 727eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(self); 728eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 729eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindSystemClass(self, descriptor.c_str()))); 73035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass.Get() == nullptr) { 731e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers VLOG(compiler) << "Failed to find class " << descriptor; 732e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko image_classes_->erase(it++); 733a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers self->ClearException(); 73496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } else { 73596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ++it; 73696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 73796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 73896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 73996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolve exception classes referenced by the loaded classes. The catch logic assumes 74096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // exceptions are resolved by the verifier when there is a catch block in an interested method. 74196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Do this here so that exception classes appear to have been specified image classes. 742700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>> unresolved_exception_types; 743eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(self); 744eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> java_lang_Throwable( 745eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindSystemClass(self, "Ljava/lang/Throwable;"))); 74696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom do { 74796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom unresolved_exception_types.clear(); 74896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 74996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom &unresolved_exception_types); 75002e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { 75102e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier uint16_t exception_type_idx = exception_type.first; 75202e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const DexFile* dex_file = exception_type.second; 7530cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier StackHandleScope<2> hs(self); 754eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(*dex_file))); 755eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass(hs.NewHandle( 7560cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier class_linker->ResolveType(*dex_file, exception_type_idx, dex_cache, 7570cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier NullHandle<mirror::ClassLoader>()))); 75835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass.Get() == nullptr) { 75996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 76096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const char* descriptor = dex_file->GetTypeDescriptor(type_id); 76196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOG(FATAL) << "Failed to resolve class " << descriptor; 76296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 763eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier DCHECK(java_lang_Throwable->IsAssignableFrom(klass.Get())); 76496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 76596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolving exceptions may load classes that reference more exceptions, iterate until no 76696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // more are found 76796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } while (!unresolved_exception_types.empty()); 76896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 76996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // We walk the roots looking for classes so that we'll pick up the 77096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // above classes plus any classes them depend on such super 77196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // classes, interfaces, and the required ClassLinker roots. 77296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 77396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 77496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CHECK_NE(image_classes_->size(), 0U); 77596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 77696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 777cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogersstatic void MaybeAddToImageClasses(Handle<mirror::Class> c, std::set<std::string>* image_classes) 77896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 779f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Thread* self = Thread::Current(); 780f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 781f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier // Make a copy of the handle so that we don't clobber it doing Assign. 782f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Handle<mirror::Class> klass(hs.NewHandle(c.Get())); 783cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 78496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom while (!klass->IsObjectClass()) { 785cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = klass->GetDescriptor(&temp); 786cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::pair<std::set<std::string>::iterator, bool> result = image_classes->insert(descriptor); 787cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (!result.second) { // Previously inserted. 788cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers break; 78996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 790cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers VLOG(compiler) << "Adding " << descriptor << " to image classes"; 791f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier for (size_t i = 0; i < klass->NumDirectInterfaces(); ++i) { 792f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 793f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(mirror::Class::GetDirectInterface(self, klass, i)), 794f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier image_classes); 79596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 79696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass->IsArrayClass()) { 797f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 798f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(klass->GetComponentType()), image_classes); 79996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 800f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier klass.Assign(klass->GetSuperClass()); 80196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 80296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 80396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 80496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromvoid CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 80535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(object != nullptr); 80635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(arg != nullptr); 80796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 808f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(Thread::Current()); 809f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(object->GetClass()), compiler_driver->image_classes_.get()); 81096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 81196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 8123d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::UpdateImageClasses(TimingLogger* timings) { 813e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 814f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("UpdateImageClasses", timings); 815e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Update image_classes_ with classes for objects created by <clinit> methods. 816e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers Thread* self = Thread::Current(); 817e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 818e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 819e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // TODO: Image spaces only? 820590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ScopedObjectAccess soa(Thread::Current()); 821e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 822590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier heap->VisitObjects(FindClinitImageClassesCallback, this); 823e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers self->EndAssertNoThreadSuspension(old_cause); 824e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 82596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 82696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 827590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierbool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, uint32_t type_idx) { 828fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers if (IsImage() && 829dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers IsImageClass(dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_))) { 8304ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe { 8316fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers ScopedObjectAccess soa(Thread::Current()); 8326fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8336fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8344ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe if (resolved_class == nullptr) { 8354ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe // Erroneous class. 8364ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe stats_->TypeNotInDexCache(); 8374ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe return false; 8384ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe } 8396fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers } 840c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeInDexCache(); 8416fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return true; 842996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 843c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNotInDexCache(); 8446fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return false; 845996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 8466d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers} 8476d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers 8481212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 8491212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t string_idx) { 8501bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // See also Compiler::ResolveDexFile 8511bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8525f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers bool result = false; 8535f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers if (IsImage()) { 8545f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers // We resolve all const-string strings when building for the image. 85500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 856eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 857eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache( 858eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(dex_file))); 8595f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 8605f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers result = true; 86100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 862996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 863c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringInDexCache(); 864996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 865c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringNotInDexCache(); 866996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 867996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8681bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8691bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8701212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 871c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers uint32_t type_idx, 872c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* type_known_final, bool* type_known_abstract, 873c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* equals_referrers_class) { 87435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_final != nullptr) { 875c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = false; 876c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 87735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_abstract != nullptr) { 878c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_abstract = false; 879c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 88035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (equals_referrers_class != nullptr) { 881c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = false; 882c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 88300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 8842dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8851bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier 8862dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 88735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (resolved_class == nullptr) { 888c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8891bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 8901bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8911bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 89235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (equals_referrers_class != nullptr) { 893c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = (method_id.class_idx_ == type_idx); 894c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 8952dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 89635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (referrer_class == nullptr) { 897c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8981bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 8991bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 9001bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access check, will return true if access is ok or false if we're going to have to 9011bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // check this at runtime (for example for class loaders). 902996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class); 903996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 904c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 90535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_final != nullptr) { 906c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 907c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 90835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_abstract != nullptr) { 909b19fa800aab1c2731b12ff24696feca13901db3fIan Rogers *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 910c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 911996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 912c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 913996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 914996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 9151bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 9161bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 9171212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 9181212a022fa5f8ef9585d765b1809521812af882cIan Rogers const DexFile& dex_file, 9191212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t type_idx) { 92000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 9212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 9221bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier. 9232dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 92435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (resolved_class == nullptr) { 925c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 9261bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 9271bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 9281bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 9292dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 93035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (referrer_class == nullptr) { 931c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 9321bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 9331bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 9341bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access and instantiable checks, will return true if access is ok or false if we're 9351bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // going to have to check this at runtime (for example for class loaders). 936996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 937996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 938c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 939996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 940c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 941996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 942996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 9431bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 9441bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 945be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchibool CompilerDriver::CanEmbedTypeInCode(const DexFile& dex_file, uint32_t type_idx, 946be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi bool* is_type_initialized, bool* use_direct_type_ptr, 9478668c3cbdcf9471bd97e0da68a240051f2973074Mathieu Chartier uintptr_t* direct_type_ptr, bool* out_is_finalizable) { 948807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier if (GetCompilerOptions().GetCompilePic()) { 949807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // Do not allow a direct class pointer to be used when compiling for position-independent 950807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier return false; 951807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier } 952be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi ScopedObjectAccess soa(Thread::Current()); 953be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 954be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 955be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (resolved_class == nullptr) { 956be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 957be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 9588668c3cbdcf9471bd97e0da68a240051f2973074Mathieu Chartier *out_is_finalizable = resolved_class->IsFinalizable(); 959be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 960345c4b19758703793ed31024cfb79940e2c63b75Alex Light const bool support_boot_image_fixup = GetSupportBootImageFixup(); 961be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (compiling_boot) { 962be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> boot class pointers. 963be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at boot compiling time. 964be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool is_image_class = IsImage() && IsImageClass( 965be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_)); 966be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if pc relative load works. 967be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (is_image_class && support_boot_image_fixup) { 968be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 969be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *use_direct_type_ptr = false; 970be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = 0; 971be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 972be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 973be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 974be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 975be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 976be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at app compiling time. 977be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool class_in_image = 978be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi Runtime::Current()->GetHeap()->FindSpaceFromObject(resolved_class, false)->IsImageSpace(); 979345c4b19758703793ed31024cfb79940e2c63b75Alex Light if (class_in_image && support_boot_image_fixup) { 980be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> app class pointers. 981be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 982a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // TODO This is somewhat hacky. We should refactor all of this invoke codepath. 983a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *use_direct_type_ptr = !GetCompilerOptions().GetIncludePatchInformation(); 984be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = reinterpret_cast<uintptr_t>(resolved_class); 985be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 986be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 987be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // app -> app class pointers. 988be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // Give up because app does not have an image and class 989be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // isn't created at compile time. TODO: implement this 990be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // if/when each app gets an image. 991be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 992be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 993be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 994be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 995be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi 996807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartierbool CompilerDriver::CanEmbedStringInCode(const DexFile& dex_file, uint32_t string_idx, 997807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier bool* use_direct_type_ptr, uintptr_t* direct_type_ptr) { 998807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier if (GetCompilerOptions().GetCompilePic()) { 999807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // Do not allow a direct class pointer to be used when compiling for position-independent 1000807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier return false; 1001807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier } 1002807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier ScopedObjectAccess soa(Thread::Current()); 1003807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 1004807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier mirror::String* resolved_string = dex_cache->GetResolvedString(string_idx); 1005807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier if (resolved_string == nullptr) { 1006807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier return false; 1007807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier } 1008807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 1009807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier const bool support_boot_image_fixup = GetSupportBootImageFixup(); 1010807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier if (compiling_boot) { 1011807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // boot -> boot class pointers. 1012807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // True if the class is in the image at boot compiling time. 1013807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier const bool is_image_string = IsImage(); 1014807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // True if pc relative load works. 1015807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier if (is_image_string && support_boot_image_fixup) { 1016807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier *use_direct_type_ptr = false; 1017807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier *direct_type_ptr = 0; 1018807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier return true; 1019807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier } 1020807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier return false; 1021807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier } else { 1022807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // True if the class is in the image at app compiling time. 1023807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier const bool obj_in_image = 1024807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier false && Runtime::Current()->GetHeap()->FindSpaceFromObject(resolved_string, false)->IsImageSpace(); 1025807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier if (obj_in_image && support_boot_image_fixup) { 1026807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // boot -> app class pointers. 1027807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // TODO This is somewhat hacky. We should refactor all of this invoke codepath. 1028807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier *use_direct_type_ptr = !GetCompilerOptions().GetIncludePatchInformation(); 1029807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier *direct_type_ptr = reinterpret_cast<uintptr_t>(resolved_string); 1030807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier return true; 1031807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier } 1032807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier 1033807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // app -> app class pointers. 1034807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // Give up because app does not have an image and class 1035807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // isn't created at compile time. TODO: implement this 1036807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier // if/when each app gets an image. 1037807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier return false; 1038807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier } 1039807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier} 1040807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier 1041be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedInstanceField(bool resolved) { 1042be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 1043be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedInstanceField(); 1044be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 1045be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedInstanceField(); 1046be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1047be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 1048be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 1049be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedStaticField(bool resolved, bool local) { 1050be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 1051be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedStaticField(); 1052be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else if (local) { 1053be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedLocalStaticField(); 1054be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 1055be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedStaticField(); 1056be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1057be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 1058be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 1059f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markovoid CompilerDriver::ProcessedInvoke(InvokeType invoke_type, int flags) { 1060f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_->ProcessedInvoke(invoke_type, flags); 1061a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 1062a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 1063e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffraymirror::ArtField* CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, 1064e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray const DexCompilationUnit* mUnit, 1065e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool is_put, 1066e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray const ScopedObjectAccess& soa) { 1067be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1068be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1069be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1070be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1071be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1072eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1073eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache_handle( 1074eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1075eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader_handle( 1076eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1077eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtField> resolved_field_handle(hs.NewHandle( 1078eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveField(soa, dex_cache_handle, class_loader_handle, mUnit, field_idx, false))); 1079eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_field_handle.Get() != nullptr) 1080eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ? ResolveCompilingMethodsClass(soa, dex_cache_handle, class_loader_handle, mUnit) : nullptr; 1081eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_field = resolved_field_handle.Get(); 1082eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier dex_cache = dex_cache_handle.Get(); 10831bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1084e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool can_link = false; 1085be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1086be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastInstanceField( 1087e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray dex_cache, referrer_class, resolved_field, field_idx); 1088e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray can_link = is_put ? fast_path.second : fast_path.first; 1089be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1090e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray ProcessedInstanceField(can_link); 1091e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return can_link ? resolved_field : nullptr; 1092e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray} 1093e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray 1094e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffraybool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1095e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool is_put, MemberOffset* field_offset, 1096e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool* is_volatile) { 1097e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray ScopedObjectAccess soa(Thread::Current()); 1098e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray StackHandleScope<1> hs(soa.Self()); 1099e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray Handle<mirror::ArtField> resolved_field = 1100e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray hs.NewHandle(ComputeInstanceFieldInfo(field_idx, mUnit, is_put, soa)); 1101e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray 1102e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray if (resolved_field.Get() == nullptr) { 1103be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1104be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1105be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1106e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return false; 1107e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray } else { 1108e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray *is_volatile = resolved_field->IsVolatile(); 1109e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray *field_offset = resolved_field->GetOffset(); 1110e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return true; 1111be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 11121bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 11131bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 111489756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogersbool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1115be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool is_put, MemberOffset* field_offset, 1116be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko uint32_t* storage_index, bool* is_referrers_class, 1117be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool* is_volatile, bool* is_initialized) { 111800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1119be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1120be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1121be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1122be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1123be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1124eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1125eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache_handle( 1126eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1127eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader_handle( 1128eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1129eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtField> resolved_field_handle(hs.NewHandle( 1130eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveField(soa, dex_cache_handle, class_loader_handle, mUnit, field_idx, true))); 1131eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_field_handle.Get() != nullptr) 1132eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ? ResolveCompilingMethodsClass(soa, dex_cache_handle, class_loader_handle, mUnit) : nullptr; 1133eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_field = resolved_field_handle.Get(); 1134eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier dex_cache = dex_cache_handle.Get(); 11351bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1136be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool result = false; 1137be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1138be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = IsFieldVolatile(resolved_field); 1139be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastStaticField( 1140be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache, referrer_class, resolved_field, field_idx, field_offset, 1141be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko storage_index, is_referrers_class, is_initialized); 1142be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko result = is_put ? fast_path.second : fast_path.first; 1143be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1144be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!result) { 1145be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1146be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1147be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1148be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *storage_index = -1; 1149be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_referrers_class = false; 1150be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_initialized = false; 1151be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1152be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ProcessedStaticField(result, *is_referrers_class); 1153be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko return result; 11541bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 11551bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 115683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogersvoid CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType* type, InvokeType sharp_type, 115783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool no_guarantee_of_dex_cache_entry, 1158643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin const mirror::Class* referrer_class, 1159ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, 1160f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int* stats_flags, 116183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers MethodReference* target_method, 116265ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_code, 116365ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1164137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For direct and static methods compute possible direct_code and direct_method values, ie 1165137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // an address for the Method* being invoked and an address of the code for that Method*. 1166137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For interface calls compute a value for direct_method that is the interface method being 1167137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // invoked, so this can be passed to the out-of-line runtime support code. 116865ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_code = 0; 116965ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_method = 0; 1170643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin bool use_dex_cache = GetCompilerOptions().GetCompilePic(); // Off by default 1171590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 1172a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // TODO This is somewhat hacky. We should refactor all of this invoke codepath. 1173a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light const bool force_relocations = (compiling_boot || 1174a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light GetCompilerOptions().GetIncludePatchInformation()); 1175b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray if (compiler_->IsPortable()) { 1176c531cefbfb5394413122e9f57d211ba436cff012buzbee if (sharp_type != kStatic && sharp_type != kDirect) { 1177c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1178c531cefbfb5394413122e9f57d211ba436cff012buzbee } 117983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1180c531cefbfb5394413122e9f57d211ba436cff012buzbee } else { 118188474b416eb257078e590bf9bc7957cee604a186Jeff Hao if (sharp_type != kStatic && sharp_type != kDirect) { 1182c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1183c531cefbfb5394413122e9f57d211ba436cff012buzbee } 118483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // TODO: support patching on all architectures. 1185643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin use_dex_cache = use_dex_cache || (force_relocations && !support_boot_image_fixup_); 1186b8404a7de94c109e3c17b4205b5f8aaae996eb33TDYa } 118783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool method_code_in_boot = (method->GetDeclaringClass()->GetClassLoader() == nullptr); 118883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!use_dex_cache) { 118983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!method_code_in_boot) { 119083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 119183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 119283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool has_clinit_trampoline = 119383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 119483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 119583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Ensure we run the clinit trampoline unless we are invoking a static method in the same 119683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // class. 119783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 119883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 119983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 12002ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1201f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (method_code_in_boot) { 1202f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *stats_flags |= kFlagDirectCallToBoot | kFlagDirectMethodToBoot; 12032ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1204a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (!use_dex_cache && force_relocations) { 1205a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (!IsImage() || !IsImageClass(method->GetDeclaringClassDescriptor())) { 120683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // We can only branch directly to Methods that are resolved in the DexCache. 120783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Otherwise we won't invoke the resolution trampoline. 120883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1209e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1210c468e92d1e18305a5053c8a4a7c88cb297e525afIan Rogers } 121183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // The method is defined not within this dex file. We need a dex cache slot within the current 121283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // dex file or direct pointers. 121383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool must_use_direct_pointers = false; 121483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (target_method->dex_file == method->GetDeclaringClass()->GetDexCache()->GetDexFile()) { 121583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = method->GetDexMethodIndex(); 121683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 121783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (no_guarantee_of_dex_cache_entry) { 1218bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<1> hs(Thread::Current()); 1219bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle(method)); 122083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // See if the method is also declared in this dex cache. 1221bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier uint32_t dex_method_idx = mh.FindDexMethodIndexInOtherDexFile( 1222bbcc0c0a17262f3d2a70fc0a82e1783862f708ccVladimir Marko *target_method->dex_file, target_method->dex_method_index); 122383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (dex_method_idx != DexFile::kDexNoIndex) { 122483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = dex_method_idx; 122583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 1226a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (force_relocations && !use_dex_cache) { 122749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_method_index = method->GetDexMethodIndex(); 122849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 122949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao } 123083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers must_use_direct_pointers = true; 12313fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 12323fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 123383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 123483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (use_dex_cache) { 123583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (must_use_direct_pointers) { 123683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Fail. Test above showed the only safe dispatch was via the dex cache, however, the direct 123783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // pointers are required as the dex cache lacks an appropriate entry. 123883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 123983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 124083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 124183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 12423fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } else { 1243a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light bool method_in_image = 1244a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace(); 1245a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (method_in_image || compiling_boot) { 1246a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // We know we must be able to get to the method in the image, so use that pointer. 1247a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko CHECK(!method->IsAbstract()); 124883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 1249a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_method = force_relocations ? -1 : reinterpret_cast<uintptr_t>(method); 1250a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = force_relocations ? -1 : compiler_->GetEntryPointOf(method); 1251a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1252a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko target_method->dex_method_index = method->GetDexMethodIndex(); 1253a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko } else if (!must_use_direct_pointers) { 1254a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko // Set the code and rely on the dex cache for the method. 1255a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko *type = sharp_type; 1256a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (force_relocations) { 1257a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = -1; 1258a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1259a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light target_method->dex_method_index = method->GetDexMethodIndex(); 1260a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light } else { 1261a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = compiler_->GetEntryPointOf(method); 1262a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light } 126383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 1264a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko // Direct pointers were required but none were available. 1265a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 12663fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 12672ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 12682ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers} 12692ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 1270e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogersbool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 127165ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers bool update_stats, bool enable_devirtualization, 127265ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers InvokeType* invoke_type, MethodReference* target_method, 127365ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers int* vtable_idx, uintptr_t* direct_code, 127465ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1275f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko InvokeType orig_invoke_type = *invoke_type; 1276f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int stats_flags = 0; 127700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1278f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Try to resolve the method and compiling method's class. 1279f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::ArtMethod* resolved_method; 1280f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::Class* referrer_class; 1281eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1282eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache( 1283eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1284eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader(hs.NewHandle( 1285eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1286f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko { 1287f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko uint32_t method_idx = target_method->dex_method_index; 1288eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtMethod> resolved_method_handle(hs.NewHandle( 1289eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveMethod(soa, dex_cache, class_loader, mUnit, method_idx, orig_invoke_type))); 1290eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_method_handle.Get() != nullptr) 1291f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader, mUnit) : nullptr; 1292eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_method = resolved_method_handle.Get(); 1293f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 1294f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko bool result = false; 1295f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (resolved_method != nullptr) { 1296f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = GetResolvedMethodVTableIndex(resolved_method, orig_invoke_type); 1297f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1298f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (enable_devirtualization) { 1299f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 1300f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko const MethodReference* devirt_target = mUnit->GetVerifiedMethod()->GetDevirtTarget(dex_pc); 1301f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1302f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = IsFastInvoke( 1303f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko soa, dex_cache, class_loader, mUnit, referrer_class, resolved_method, 1304f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko invoke_type, target_method, devirt_target, direct_code, direct_method); 1305f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = stats_flags != 0; 1306f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1307f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Devirtualization not enabled. Inline IsFastInvoke(), dropping the devirtualization parts. 1308f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (UNLIKELY(referrer_class == nullptr) || 1309f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko UNLIKELY(!referrer_class->CanAccessResolvedMethod(resolved_method->GetDeclaringClass(), 1310eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_method, dex_cache.Get(), 1311f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko target_method->dex_method_index)) || 1312f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *invoke_type == kSuper) { 1313f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Slow path. (Without devirtualization, all super calls go slow path as well.) 1314f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1315f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Sharpening failed so generate a regular resolved method dispatch. 1316f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = kFlagMethodResolved; 1317f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko GetCodeAndMethodForDirectCall(invoke_type, *invoke_type, false, referrer_class, resolved_method, 1318f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko &stats_flags, target_method, direct_code, direct_method); 1319f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = true; 1320a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1321a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1322a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1323f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (!result) { 1324f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Conservative defaults. 1325f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = -1; 1326f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_code = 0u; 1327f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_method = 0u; 1328a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1329e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers if (update_stats) { 1330f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ProcessedInvoke(orig_invoke_type, stats_flags); 1331e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1332f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko return result; 1333a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 1334a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 13352730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markoconst VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, 13362730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko uint32_t method_idx) const { 13372730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko MethodReference ref(dex_file, method_idx); 13382730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko return verification_results_->GetVerifiedMethod(ref); 13392730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko} 13402730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko 13412730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markobool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { 134235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (!compiler_options_->IsVerificationEnabled()) { 134335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // If we didn't verify, every cast has to be treated as non-safe. 134435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe return false; 134535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 13462730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 13472730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); 1348fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers if (result) { 1349fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->SafeCast(); 1350fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } else { 1351fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->NotASafeCast(); 1352fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 1353fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers return result; 1354fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers} 1355fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 13561212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddCodePatch(const DexFile* dex_file, 13578b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 13588b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 13598b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 13608b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 136149161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 13628b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 13638b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 136450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1365be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi code_to_patch_.push_back(new CallPatchInformation(dex_file, 1366be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1367be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1368be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1369be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 137049161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1371be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1372be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 13733fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 137455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid CompilerDriver::AddRelativeCodePatch(const DexFile* dex_file, 137555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint16_t referrer_class_def_idx, 137655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t referrer_method_idx, 137755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType referrer_invoke_type, 137855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t target_method_idx, 137949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 138055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType target_invoke_type, 138155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell size_t literal_offset, 138255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell int32_t pc_relative_offset) { 138355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell MutexLock mu(Thread::Current(), compiled_methods_lock_); 138455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell code_to_patch_.push_back(new RelativeCallPatchInformation(dex_file, 138555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_class_def_idx, 138655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_method_idx, 138755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_invoke_type, 138855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_method_idx, 138949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 139055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_invoke_type, 139155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell literal_offset, 139255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell pc_relative_offset)); 139355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 13941212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddMethodPatch(const DexFile* dex_file, 13958b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 13968b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 13978b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 13988b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 139949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 14008b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 14018b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 140250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1403be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi methods_to_patch_.push_back(new CallPatchInformation(dex_file, 1404be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1405be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1406be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1407be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 140849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1409be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1410be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 1411be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 1412be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchivoid CompilerDriver::AddClassPatch(const DexFile* dex_file, 1413be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint16_t referrer_class_def_idx, 1414be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t referrer_method_idx, 1415be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t target_type_idx, 1416be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi size_t literal_offset) { 1417be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(Thread::Current(), compiled_methods_lock_); 1418be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi classes_to_patch_.push_back(new TypePatchInformation(dex_file, 1419be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1420be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1421be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_type_idx, 1422be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 14233fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 1424807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartiervoid CompilerDriver::AddStringPatch(const DexFile* dex_file, 1425807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier uint16_t referrer_class_def_idx, 1426807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier uint32_t referrer_method_idx, 1427807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier uint32_t string_idx, 1428807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier size_t literal_offset) { 1429807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier MutexLock mu(Thread::Current(), compiled_methods_lock_); 1430807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier strings_to_patch_.push_back(new StringPatchInformation(dex_file, 1431807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier referrer_class_def_idx, 1432807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier referrer_method_idx, 1433807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier string_idx, 1434807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier literal_offset)); 1435807140048f82a2b87ee5bcf337f23b6a3d1d5269Mathieu Chartier} 14363fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers 1437219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersclass ParallelCompilationManager { 1438731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom public: 1439219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers typedef void Callback(const ParallelCompilationManager* manager, size_t index); 14400e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier 1441219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager(ClassLinker* class_linker, 1442219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers jobject class_loader, 1443219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers CompilerDriver* compiler, 1444219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile* dex_file, 14450171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 14463d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool) 14470b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier : index_(0), 14480b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier class_linker_(class_linker), 1449731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom class_loader_(class_loader), 1450731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom compiler_(compiler), 14510e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier dex_file_(dex_file), 14520171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe dex_files_(dex_files), 14533d504075f7c1204d581923460754bf6d3714b13fIan Rogers thread_pool_(thread_pool) {} 1454731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 145500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ClassLinker* GetClassLinker() const { 145635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(class_linker_ != nullptr); 1457731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_linker_; 1458731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 145900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 146000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jobject GetClassLoader() const { 1461731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_loader_; 1462731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 146300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 14641212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* GetCompiler() const { 146535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(compiler_ != nullptr); 1466731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return compiler_; 1467731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 146800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 146900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* GetDexFile() const { 147035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file_ != nullptr); 1471731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return dex_file_; 1472731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 1473731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 14740171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& GetDexFiles() const { 14750171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return dex_files_; 14760171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe } 14770171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe 14780e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 14790e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier Thread* self = Thread::Current(); 14800e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 14810e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_GT(work_units, 0U); 14829ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 14833e5cf305db800b2989ad57b7cde8fb3cc9fa1b9eIan Rogers index_.StoreRelaxed(begin); 14840e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier for (size_t i = 0; i < work_units; ++i) { 1485501baec5f2de2156bb5ed7f66d23f1b1ad026267Sebastien Hertz thread_pool_->AddTask(self, new ForAllClosure(this, end, callback)); 14860e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 14870e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier thread_pool_->StartWorkers(self); 148800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 14890e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 14900e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // thread destructor's called below perform join). 14910e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_NE(self->GetState(), kRunnable); 1492d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14930e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Wait for all the worker threads to finish. 14941d54e73444e017d3a65234e0f193846f3e27472bIan Rogers thread_pool_->Wait(self, true, false); 1495d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1496d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14970b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier size_t NextIndex() { 14983e5cf305db800b2989ad57b7cde8fb3cc9fa1b9eIan Rogers return index_.FetchAndAddSequentiallyConsistent(1); 14990b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 15000b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 1501d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes private: 150202b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier class ForAllClosure : public Task { 15030e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier public: 15040b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ForAllClosure(ParallelCompilationManager* manager, size_t end, Callback* callback) 1505219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers : manager_(manager), 15060e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier end_(end), 15070b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(callback) {} 15089ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 15090e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier virtual void Run(Thread* self) { 15100b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier while (true) { 15110b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier const size_t index = manager_->NextIndex(); 15120b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier if (UNLIKELY(index >= end_)) { 15130b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier break; 15140b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 15150b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(manager_, index); 15160e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 15170e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 15180e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 151902b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier 152002b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier virtual void Finalize() { 152102b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier delete this; 152202b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier } 15230cd7ec2dcd8d7ba30bf3ca420b40dac52849876cBrian Carlstrom 15240e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier private: 15250b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ParallelCompilationManager* const manager_; 15260e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const size_t end_; 1527460536209b741bc469f1b0857775449abb2102fbBernhard Rosenkränzer Callback* const callback_; 15280e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier }; 15291e4092589f1400915e6213014da103aab8728ef6Elliott Hughes 15300b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier AtomicInteger index_; 15310e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier ClassLinker* const class_linker_; 15320e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const jobject class_loader_; 15331212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* const compiler_; 15340e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const DexFile* const dex_file_; 15350171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files_; 1536219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ThreadPool* const thread_pool_; 15370b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 15380b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); 1539d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes}; 1540d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 15410e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// A fast version of SkipClass above if the class pointer is available 15420e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// that avoids the expensive FindInClassPath search. 15430e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Haostatic bool SkipClass(jobject class_loader, const DexFile& dex_file, mirror::Class* klass) 15440e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 154535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(klass != nullptr); 15460e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); 15470e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (&dex_file != &original_dex_file) { 154835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (class_loader == nullptr) { 15490e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(WARNING) << "Skipping class " << PrettyDescriptor(klass) << " from " 15500e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << dex_file.GetLocation() << " previously found in " 15510e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << original_dex_file.GetLocation(); 15520e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 15530e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return true; 15540e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 15550e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return false; 15560e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao} 15570e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 155870b634882b523ec9795475dccc347b423cefaef6Mathieu Chartierstatic void CheckAndClearResolveException(Thread* self) 155970b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 156070b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CHECK(self->IsExceptionPending()); 156170b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier mirror::Throwable* exception = self->GetException(nullptr); 1562cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 1563cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = exception->GetClass()->GetDescriptor(&temp); 1564cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* expected_exceptions[] = { 1565cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/IllegalAccessError;", 1566cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/IncompatibleClassChangeError;", 1567cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/InstantiationError;", 1568118785c6f82ac1ec7074b5efe367b3dafd904940Brian Carlstrom "Ljava/lang/LinkageError;", 1569cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoClassDefFoundError;", 1570cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoSuchFieldError;", 1571cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoSuchMethodError;" 1572cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers }; 1573cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers bool found = false; 1574cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers for (size_t i = 0; (found == false) && (i < arraysize(expected_exceptions)); ++i) { 1575cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (strcmp(descriptor, expected_exceptions[i]) == 0) { 1576cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers found = true; 1577cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 1578cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 1579cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (!found) { 1580118785c6f82ac1ec7074b5efe367b3dafd904940Brian Carlstrom LOG(FATAL) << "Unexpected exception " << exception->Dump(); 158170b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier } 158270b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier self->ClearException(); 158370b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier} 158470b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier 1585e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogersstatic void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, 1586e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers size_t class_def_index) 1587b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 15888f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 1589be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers Thread* self = Thread::Current(); 1590be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers jobject jclass_loader = manager->GetClassLoader(); 1591219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1592be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1593d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1594e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // If an instance field is final then we need to have a barrier on the return, static final 1595e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // fields are assigned within the lock held for class initialization. Conservatively assume 1596e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // constructor barriers are always required. 1597e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers bool requires_constructor_barrier = true; 1598e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers 1599845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // Method and Field are the worst. We can't resolve without either 1600845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // context from the code use (to disambiguate virtual vs direct 1601845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // method and instance vs static field) or from class 1602845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions. While the compiler will resolve what it can as it 1603845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // needs it, here we try to resolve fields and methods used in class 1604845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions, since many of them many never be referenced by 1605845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // generated code. 1606d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1607cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers ScopedObjectAccess soa(self); 1608cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers StackHandleScope<2> hs(soa.Self()); 1609cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers Handle<mirror::ClassLoader> class_loader( 1610cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1611cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1612cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Resolve the class. 1613cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, 1614cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers class_loader); 1615cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers bool resolve_fields_and_methods; 1616cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (klass == nullptr) { 1617cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Class couldn't be resolved, for example, super-class is in a different dex file. Don't 1618cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // attempt to resolve methods and fields when there is no declaring class. 1619cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1620cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers resolve_fields_and_methods = false; 1621cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } else { 1622cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // We successfully resolved a class, should we skip it? 1623cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (SkipClass(jclass_loader, dex_file, klass)) { 1624cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers return; 1625cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } 1626cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // We want to resolve the methods and fields eagerly. 1627cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers resolve_fields_and_methods = true; 1628cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1629cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Note the class_data pointer advances through the headers, 1630cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // static fields, instance fields, direct methods, and virtual 1631cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // methods. 1632cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers const byte* class_data = dex_file.GetClassData(class_def); 163335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (class_data == nullptr) { 1634cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Empty class such as a marker interface. 1635cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers requires_constructor_barrier = false; 1636cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } else { 1637cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers ClassDataItemIterator it(dex_file, class_data); 1638cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextStaticField()) { 1639cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (resolve_fields_and_methods) { 1640cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1641cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, true); 164235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (field == nullptr) { 1643cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1644e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1645e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1646cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.Next(); 1647cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1648cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // We require a constructor barrier if there are final instance fields. 1649cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers requires_constructor_barrier = false; 1650cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextInstanceField()) { 16517fc8f90b7160e879143be5cfd6ea3df866398884Andreas Gampe if (it.MemberIsFinal()) { 1652cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers requires_constructor_barrier = true; 1653cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1654cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (resolve_fields_and_methods) { 1655cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1656cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, false); 165735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (field == nullptr) { 1658cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1659e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1660cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1661cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.Next(); 1662cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1663cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (resolve_fields_and_methods) { 1664cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextDirectMethod()) { 1665cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1666cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, 1667cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers NullHandle<mirror::ArtMethod>(), 1668cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.GetMethodInvokeType(class_def)); 166935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (method == nullptr) { 1670cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1671e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1672e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1673e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1674cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextVirtualMethod()) { 1675cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1676cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, 1677cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers NullHandle<mirror::ArtMethod>(), 1678cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.GetMethodInvokeType(class_def)); 167935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (method == nullptr) { 1680cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1681e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1682cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.Next(); 1683e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1684cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers DCHECK(!it.HasNext()); 168520cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom } 1686d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1687fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers if (requires_constructor_barrier) { 1688be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers manager->GetCompiler()->AddRequiresConstructorBarrier(self, &dex_file, class_def_index); 1689fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers } 1690d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1691d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1692219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1693b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 1694d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes // Class derived values are more complicated, they require the linker and loader. 169500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1696219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1697219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1698eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(soa.Self()); 1699eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1700eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1701eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()))); 17022dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 170300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 170435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass == nullptr) { 170500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers CHECK(soa.Self()->IsExceptionPending()); 170635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe mirror::Throwable* exception = soa.Self()->GetException(nullptr); 1707a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); 1708f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) { 1709a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers // There's little point continuing compilation if the heap is exhausted. 1710a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers LOG(FATAL) << "Out of memory during type resolution for compilation"; 1711a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers } 1712a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers soa.Self()->ClearException(); 1713d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1714d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1715d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 17161212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 17170171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 17183d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1719d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1720d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 172100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: we could resolve strings here, although the string table is largely filled with class 172200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // and method names. 1723d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 17240171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 17250171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 1726e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 1727e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // For images we resolve all types, such as array, whereas for applications just those with 1728e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // classdefs are resolved by ResolveClassFieldsAndMethods. 1729f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Resolve Types", timings); 1730e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1731e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1732d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1733f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Resolve MethodsAndFields", timings); 17340e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 17359ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 17369ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 173735439baf287b291b67ee406308e17fc6194facbfAndreas Gampevoid CompilerDriver::SetVerified(jobject class_loader, const std::vector<const DexFile*>& dex_files, 173835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ThreadPool* thread_pool, TimingLogger* timings) { 173935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe for (size_t i = 0; i != dex_files.size(); ++i) { 174035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const DexFile* dex_file = dex_files[i]; 174135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 174235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe SetVerifiedDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 174335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 174435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe} 174535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 17461212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 17473d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1748ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1749ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 175035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 17510171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe VerifyDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 175298eacac683b78e60799323e8c7d59e7214808639jeffhao } 175398eacac683b78e60799323e8c7d59e7214808639jeffhao} 175498eacac683b78e60799323e8c7d59e7214808639jeffhao 1755219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1756b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 175767f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 175800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 17590e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 17600e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 17610e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 17620e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao ClassLinker* class_linker = manager->GetClassLinker(); 17630e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 1764eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1765eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1766eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1767eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 1768eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 1769eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() == nullptr) { 1770e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 177162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 1772f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao 1773f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao /* 1774f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * At compile time, we can still structurally verify the class even if FindClass fails. 1775f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * This is to ensure the class is structurally sound for compilation. An unsound class 1776f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * will be rejected by the verifier and later skipped during compilation in the compiler. 1777f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao */ 1778eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1779f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao std::string error_msg; 1780590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (verifier::MethodVerifier::VerifyClass(&dex_file, dex_cache, class_loader, &class_def, true, 1781590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier &error_msg) == 178200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers verifier::MethodVerifier::kHardFailure) { 17830e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) 1784f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao << " because: " << error_msg; 1785f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao } 1786eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier } else if (!SkipClass(jclass_loader, dex_file, klass.Get())) { 1787eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier CHECK(klass->IsResolved()) << PrettyClass(klass.Get()); 17880e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao class_linker->VerifyClass(klass); 1789d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1790e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (klass->IsErroneous()) { 1791e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1792e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1793e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1794e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 179567f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 1796e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1797eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier << PrettyDescriptor(klass.Get()) << ": state=" << klass->GetStatus(); 1798e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 179962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->AssertNoPendingException(); 1800d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1801d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 18021212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 18030171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 18043d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1805f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Verify Dex File", timings); 1806731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 18070171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 18080171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 18090e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1810a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom} 1811a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom 181235439baf287b291b67ee406308e17fc6194facbfAndreas Gampestatic void SetVerifiedClass(const ParallelCompilationManager* manager, size_t class_def_index) 181335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe LOCKS_EXCLUDED(Locks::mutator_lock_) { 181435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ATRACE_CALL(); 181535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ScopedObjectAccess soa(Thread::Current()); 181635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const DexFile& dex_file = *manager->GetDexFile(); 181735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 181835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const char* descriptor = dex_file.GetClassDescriptor(class_def); 181935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ClassLinker* class_linker = manager->GetClassLinker(); 182035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe jobject jclass_loader = manager->GetClassLoader(); 182135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe StackHandleScope<3> hs(soa.Self()); 182235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe Handle<mirror::ClassLoader> class_loader( 182335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 182435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe Handle<mirror::Class> klass( 182535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 182635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // Class might have failed resolution. Then don't set it to verified. 182735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass.Get() != nullptr) { 182835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // Only do this if the class is resolved. If even resolution fails, quickening will go very, 182935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // very wrong. 183035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass->IsResolved()) { 183135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass->GetStatus() < mirror::Class::kStatusVerified) { 183235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ObjectLock<mirror::Class> lock(soa.Self(), klass); 183335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe klass->SetStatus(mirror::Class::kStatusVerified, soa.Self()); 183435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 183535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // Record the final class status if necessary. 183635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ClassReference ref(manager->GetDexFile(), class_def_index); 183735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 183835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 1839ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe } else { 1840ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe Thread* self = soa.Self(); 1841ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe DCHECK(self->IsExceptionPending()); 1842ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe self->ClearException(); 184335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 184435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe} 184535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 184635439baf287b291b67ee406308e17fc6194facbfAndreas Gampevoid CompilerDriver::SetVerifiedDexFile(jobject class_loader, const DexFile& dex_file, 184735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const std::vector<const DexFile*>& dex_files, 184835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ThreadPool* thread_pool, TimingLogger* timings) { 184935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe TimingLogger::ScopedTiming t("Verify Dex File", timings); 185035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 185135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 185235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe thread_pool); 185335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe context.ForAll(0, dex_file.NumClassDefs(), SetVerifiedClass, thread_count_); 185435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe} 185535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 1856219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 18573d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 18588f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 18590e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 18600e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 18610e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1862bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); 1863bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); 1864fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers 186500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1866eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1867eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1868eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1869eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 1870eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(manager->GetClassLinker()->FindClass(soa.Self(), descriptor, class_loader))); 18710e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 1872eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() != nullptr && !SkipClass(jclass_loader, dex_file, klass.Get())) { 187364b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers // Only try to initialize classes that were successfully verified. 18743d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers if (klass->IsVerified()) { 18758f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize the class but bail if we either need to initialize the super-class 18768f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // or static fields. 18778f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, false); 187864b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers if (!klass->IsInitialized()) { 18798f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We don't want non-trivial class initialization occurring on multiple threads due to 18808f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // deadlock problems. For example, a parent class is initialized (holding its lock) that 18818f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // refers to a sub-class in its static/class initializer causing it to try to acquire the 18828f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) 18838f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // after first initializing its parents, whose locks are acquired. This leads to a 18848f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. 18858f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 18868f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // than use a special Object for the purpose we use the Class of java.lang.Class. 1887eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> h_klass(hs.NewHandle(klass->GetClass())); 1888db2633ce0358c704f97130a94b582602cb01d14aMathieu Chartier ObjectLock<mirror::Class> lock(soa.Self(), h_klass); 18898f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize allowing initialization of parent classes but still not static 18908f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // fields. 18918f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, true); 18928f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (!klass->IsInitialized()) { 18938f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to initialize static fields, we only do this for image classes that aren't 1894d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // marked with the $NoPreloadHolder (which implies this should not be initialized early). 18958f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers bool can_init_static_fields = manager->GetCompiler()->IsImage() && 1896d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz manager->GetCompiler()->IsImageClass(descriptor) && 1897d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 18988f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (can_init_static_fields) { 1899d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz VLOG(compiler) << "Initializing: " << descriptor; 1900c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // TODO multithreading support. We should ensure the current compilation thread has 1901c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // exclusive access to the runtime and the transaction. To achieve this, we could use 1902c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity 1903c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // checks in Thread::AssertThreadSuspensionIsAllowable. 1904c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers Runtime* const runtime = Runtime::Current(); 1905c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers Transaction transaction; 1906c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers 1907c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // Run the class initializer in transaction mode. 1908c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers runtime->EnterTransactionMode(&transaction); 1909c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers const mirror::Class::Status old_status = klass->GetStatus(); 1910c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers bool success = manager->GetClassLinker()->EnsureInitialized(klass, true, true); 1911c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // TODO we detach transaction from runtime to indicate we quit the transactional 1912c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // mode which prevents the GC from visiting objects modified during the transaction. 1913c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // Ensure GC is not run so don't access freed objects when aborting transaction. 1914c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers const char* old_casue = soa.Self()->StartAssertNoThreadSuspension("Transaction end"); 1915c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers runtime->ExitTransactionMode(); 1916c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers 1917c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers if (!success) { 1918c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers CHECK(soa.Self()->IsExceptionPending()); 1919c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers ThrowLocation throw_location; 1920c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(&throw_location); 1921c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " 1922c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers << exception->Dump(); 1923c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers soa.Self()->ClearException(); 1924c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers transaction.Abort(); 1925c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; 192664b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 1927c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers soa.Self()->EndAssertNoThreadSuspension(old_casue); 192864b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 192964b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 19308f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers soa.Self()->AssertNoPendingException(); 193164b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 193227ec961a1da540ba7f16c07a682585ab167317adBrian Carlstrom } 19333d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers // Record the final class status if necessary. 193451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom ClassReference ref(manager->GetDexFile(), class_def_index); 19358f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 193698eacac683b78e60799323e8c7d59e7214808639jeffhao } 19371f5393447b9f45be7918042d9ee7b521376de866Ian Rogers // Clear any class not found or verification exceptions. 193862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 193998eacac683b78e60799323e8c7d59e7214808639jeffhao} 194098eacac683b78e60799323e8c7d59e7214808639jeffhao 19411212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 19420171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 19433d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1944f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("InitializeNoClinit", timings); 19453d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 19460171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, dex_files, 19470171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 1948d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz size_t thread_count; 1949d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (IsImage()) { 1950d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO: remove this when transactional mode supports multithreading. 1951d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = 1U; 1952d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } else { 1953d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = thread_count_; 1954d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } 1955d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count); 19563d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers} 195790dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 19581212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject class_loader, 19591212a022fa5f8ef9585d765b1809521812af882cIan Rogers const std::vector<const DexFile*>& dex_files, 19603d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 19613d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers for (size_t i = 0; i != dex_files.size(); ++i) { 19623d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers const DexFile* dex_file = dex_files[i]; 196335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 19640171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe InitializeClasses(class_loader, *dex_file, dex_files, thread_pool, timings); 196500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 1966a73a8b55415b544355438522524a640378698d85Mathieu Chartier if (IsImage()) { 1967a73a8b55415b544355438522524a640378698d85Mathieu Chartier // Prune garbage objects created during aborted transactions. 1968a73a8b55415b544355438522524a640378698d85Mathieu Chartier Runtime::Current()->GetHeap()->CollectGarbage(true); 1969a73a8b55415b544355438522524a640378698d85Mathieu Chartier } 197090dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao} 197190dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 19721212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 19733d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1974ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1975ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 197635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 19770171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe CompileDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 197883db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom } 197925fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier VLOG(compiler) << "Compile: " << GetMemoryUsageString(); 198083db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom} 198183db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom 1982219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersvoid CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 198367f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 1984219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1985c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1986be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1987cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers jobject jclass_loader = manager->GetClassLoader(); 1988cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers { 1989cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers // Use a scoped object access to perform to the quick SkipClass check. 1990cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = dex_file.GetClassDescriptor(class_def); 1991cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers ScopedObjectAccess soa(Thread::Current()); 1992cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers StackHandleScope<3> hs(soa.Self()); 1993cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers Handle<mirror::ClassLoader> class_loader( 1994cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1995cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers Handle<mirror::Class> klass( 1996cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 1997cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (klass.Get() == nullptr) { 1998cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1999cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers soa.Self()->ClearException(); 2000cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } else if (SkipClass(jclass_loader, dex_file, klass.Get())) { 2001cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers return; 2002cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 20035ead0950c661761e90e04aefd6ea2205532ce874Brian Carlstrom } 2004d1224c79631bd1801b067a0f212b91afa961a362jeffhao ClassReference ref(&dex_file, class_def_index); 2005d1224c79631bd1801b067a0f212b91afa961a362jeffhao // Skip compiling classes with generic verifier failures since they will still fail at runtime 2006c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko if (manager->GetCompiler()->verification_results_->IsClassRejected(ref)) { 2007d1224c79631bd1801b067a0f212b91afa961a362jeffhao return; 2008d1224c79631bd1801b067a0f212b91afa961a362jeffhao } 20090571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers const byte* class_data = dex_file.GetClassData(class_def); 201035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (class_data == nullptr) { 20110571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // empty class, probably a marker interface 20120571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers return; 20130571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 201467f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 20152d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 201675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 20172d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 20182d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 2019eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 2020eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 2021eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 20229837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(soa.Self(), class_loader, dex_file, 20239837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 20242d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 20250571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ClassDataItemIterator it(dex_file, class_data); 20260571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Skip fields 20270571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextStaticField()) { 20280571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 20290571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 20300571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextInstanceField()) { 20310571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 20320571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 2033be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers CompilerDriver* driver = manager->GetCompiler(); 203426318f722958ac1cba6a812026a1377f37c54941Andreas Gampe 203526318f722958ac1cba6a812026a1377f37c54941Andreas Gampe bool compilation_enabled = driver->IsClassToCompile( 203626318f722958ac1cba6a812026a1377f37c54941Andreas Gampe dex_file.StringByTypeIdx(class_def.class_idx_)); 203726318f722958ac1cba6a812026a1377f37c54941Andreas Gampe 20380571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile direct methods 203968adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_direct_method_idx = -1; 20400571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextDirectMethod()) { 20416f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 20426f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_direct_method_idx) { 20436f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 20446f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 20456f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 20466f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 20476f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 20486f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_direct_method_idx = method_idx; 20497fc8f90b7160e879143be5cfd6ea3df866398884Andreas Gampe driver->CompileMethod(it.GetMethodCodeItem(), it.GetMethodAccessFlags(), 2050be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 205126318f722958ac1cba6a812026a1377f37c54941Andreas Gampe method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level, 205226318f722958ac1cba6a812026a1377f37c54941Andreas Gampe compilation_enabled); 20530571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 20549ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 20550571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile virtual methods 205668adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_virtual_method_idx = -1; 20570571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextVirtualMethod()) { 20586f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 20596f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_virtual_method_idx) { 20606f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 20616f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 20626f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 20636f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 20646f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 20656f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_virtual_method_idx = method_idx; 20667fc8f90b7160e879143be5cfd6ea3df866398884Andreas Gampe driver->CompileMethod(it.GetMethodCodeItem(), it.GetMethodAccessFlags(), 2067be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 206826318f722958ac1cba6a812026a1377f37c54941Andreas Gampe method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level, 206926318f722958ac1cba6a812026a1377f37c54941Andreas Gampe compilation_enabled); 20700571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 20719ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 20720571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers DCHECK(!it.HasNext()); 20739ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 20749ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 20751212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 20760171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 20773d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 2078f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Compile Dex File", timings); 2079be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, 20800171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe &dex_file, dex_files, thread_pool); 20811212a022fa5f8ef9585d765b1809521812af882cIan Rogers context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 2082c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes} 2083c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes 20841212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 20858b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType invoke_type, uint16_t class_def_idx, 20861212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t method_idx, jobject class_loader, 20872d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile& dex_file, 208826318f722958ac1cba6a812026a1377f37c54941Andreas Gampe DexToDexCompilationLevel dex_to_dex_compilation_level, 208926318f722958ac1cba6a812026a1377f37c54941Andreas Gampe bool compilation_enabled) { 209035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CompiledMethod* compiled_method = nullptr; 2091b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier uint64_t start_ns = kTimeCompileMethod ? NanoTime() : 0; 209225fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier MethodReference method_ref(&dex_file, method_idx); 20934dd96f56909ec35c83a3d468b0e47769988c1a1dLogan Chien 2094169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers if ((access_flags & kAccNative) != 0) { 20950188ab739c3ef8bcd521d88f84894db8c0f012c5Ian Rogers // Are we interpreting only and have support for generic JNI down calls? 20964a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsCompilationEnabled() && 2097b95a5345ae4217b70ca36f0cced92f68dda7caf5Stuart Monteith (instruction_set_ == kX86_64 || instruction_set_ == kArm64)) { 20985b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers // Leaving this empty will trigger the generic JNI version 20995b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } else { 210072d32629303f8f39362a4099481f48646aed042fIan Rogers compiled_method = compiler_->JniCompile(access_flags, method_idx, dex_file); 210135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(compiled_method != nullptr); 21025b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } 2103169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers } else if ((access_flags & kAccAbstract) != 0) { 21042cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } else { 2105f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe bool has_verified_method = verification_results_->GetVerifiedMethod(method_ref) != nullptr; 210626318f722958ac1cba6a812026a1377f37c54941Andreas Gampe bool compile = compilation_enabled && 2107f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe // Basic checks, e.g., not <clinit>. 2108f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe verification_results_->IsCandidateForCompilation(method_ref, access_flags) && 2109f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe // Did not fail to create VerifiedMethod metadata. 2110f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe has_verified_method; 21114d4adb1dae07bb7421e863732ab789413a3b43f0Sebastien Hertz if (compile) { 211235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // NOTE: if compiler declines to compile this method, it will return nullptr. 211372d32629303f8f39362a4099481f48646aed042fIan Rogers compiled_method = compiler_->Compile(code_item, access_flags, invoke_type, class_def_idx, 211472d32629303f8f39362a4099481f48646aed042fIan Rogers method_idx, class_loader, dex_file); 211517965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz } 211617965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz if (compiled_method == nullptr && dex_to_dex_compilation_level != kDontDexToDexCompile) { 211717965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz // TODO: add a command-line option to disable DEX-to-DEX compilation ? 2118f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe // Do not optimize if a VerifiedMethod is missing. SafeCast elision, for example, relies on 2119f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe // it. 212075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz (*dex_to_dex_compiler_)(*this, code_item, access_flags, 212175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz invoke_type, class_def_idx, 212275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz method_idx, class_loader, dex_file, 2123f535c69f115c61ffadca1bd2706244d0aa30f9aaAndreas Gampe has_verified_method ? dex_to_dex_compilation_level : kRequired); 2124f3e9855ee2000106b54fd479f7a46da2dc2ad079Ian Rogers } 2125bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes } 2126b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier if (kTimeCompileMethod) { 2127b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier uint64_t duration_ns = NanoTime() - start_ns; 2128b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier if (duration_ns > MsToNs(compiler_->GetMaximumCompilationTimeBeforeWarning())) { 2129b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 2130b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier << " took " << PrettyDuration(duration_ns); 2131b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier } 2132f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes } 2133f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes 213450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 213535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (compiled_method != nullptr) { 213625fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier DCHECK(GetCompiledMethod(method_ref) == nullptr) << PrettyMethod(method_idx, dex_file); 213700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 213850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 213925fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier compiled_methods_.Put(method_ref, compiled_method); 214000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 214125fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier DCHECK(GetCompiledMethod(method_ref) != nullptr) << PrettyMethod(method_idx, dex_file); 21422cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } 21439baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom 214425fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier // Done compiling, delete the verified method to reduce native memory usage. 214525fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier verification_results_->RemoveVerifiedMethod(method_ref); 214625fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier 214750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->IsExceptionPending()) { 214850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 214900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 215035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe << self->GetException(nullptr)->Dump(); 215100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 21520571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers} 215328ad40dc3ec2f09b0ffd4f6d6787bf1b532ccd5dIan Rogers 21541212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 215550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 21560755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom ClassTable::const_iterator it = compiled_classes_.find(ref); 21570755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom if (it == compiled_classes_.end()) { 215835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe return nullptr; 21590755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom } 216035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(it->second != nullptr); 21610755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return it->second; 21620755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom} 21630755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 21648f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogersvoid CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { 21658f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 21668f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers auto it = compiled_classes_.find(ref); 21678f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it == compiled_classes_.end() || it->second->GetStatus() != status) { 21688f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // An entry doesn't exist or the status is lower than the new status. 21698f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it != compiled_classes_.end()) { 21708f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CHECK_GT(status, it->second->GetStatus()); 21718f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers delete it->second; 21728f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 21738f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers switch (status) { 21748f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusNotReady: 21758f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusError: 21768f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusRetryVerificationAtRuntime: 21778f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusVerified: 21788f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusInitialized: 21798f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers break; // Expected states. 21808f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers default: 21818f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers LOG(FATAL) << "Unexpected class status for class " 21828f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) 21838f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << " of " << status; 21848f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 21858f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CompiledClass* compiled_class = new CompiledClass(status); 21868f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers compiled_classes_.Overwrite(ref, compiled_class); 21878f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 21888f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers} 21898f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers 21901212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 219150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 21920571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodTable::const_iterator it = compiled_methods_.find(ref); 21930571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (it == compiled_methods_.end()) { 219435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe return nullptr; 21952c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers } 219635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(it->second != nullptr); 21973320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return it->second; 21989ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 21999ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 22001212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 22018b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 22028f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers WriterMutexLock mu(self, freezing_constructor_lock_); 2203fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2204fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 2205fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 22061212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 22078b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 22088f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ReaderMutexLock mu(self, freezing_constructor_lock_); 2209fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2210fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 2211fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 22123f47c12487250f61f3be95e9f275e3b08e2c49fbBrian Carlstrombool CompilerDriver::WriteElf(const std::string& android_root, 2213265091e581c9f643b37e7966890911f09e223269Brian Carlstrom bool is_host, 221451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const std::vector<const art::DexFile*>& dex_files, 22153d504075f7c1204d581923460754bf6d3714b13fIan Rogers OatWriter* oat_writer, 221651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::File* file) 221751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 221872d32629303f8f39362a4099481f48646aed042fIan Rogers return compiler_->WriteElf(file, oat_writer, dex_files, android_root, is_host); 2219265091e581c9f643b37e7966890911f09e223269Brian Carlstrom} 22201212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 22213d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_triple, 22223d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_cpu, 22233d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_attr) { 2224265091e581c9f643b37e7966890911f09e223269Brian Carlstrom switch (instruction_set) { 2225700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kThumb2: 22263d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "thumb-none-linux-gnueabi"; 22273d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 22283d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2229700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2230700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2231700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kArm: 22323d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "armv7-none-linux-gnueabi"; 2233700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Nexus S. 22343d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 2235700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Xoom. 22363d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2237700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2238700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2239700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kX86: 22403d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "i386-pc-linux-gnu"; 22413d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = ""; 2242700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2243700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 22446a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko case kX86_64: 22456a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_triple = "x86_64-pc-linux-gnu"; 22466a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_attr = ""; 22476a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko break; 22486a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko 2249700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kMips: 22503d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "mipsel-unknown-linux"; 22513d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "mips32r2"; 2252700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2253700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2254700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom default: 2255700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2256700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 2257700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 225839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 225939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allisonbool CompilerDriver::SkipCompilation(const std::string& method_name) { 2260c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (!profile_present_) { 2261644789fa0e807a9aa6d6e32d36ce039ec7318a7fDave Allison return false; 226239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2263bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle // First find the method in the profile file. 2264bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle ProfileFile::ProfileData data; 2265bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle if (!profile_file_.GetProfileData(&data, method_name)) { 226639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Not in profile, no information can be determined. 226708f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (kIsDebugBuild) { 226808f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle VLOG(compiler) << "not compiling " << method_name << " because it's not in the profile"; 226908f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } 227039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return true; 227139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2272bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle 2273bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle // Methods that comprise top_k_threshold % of the total samples will be compiled. 2274f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Compare against the start of the topK percentage bucket just in case the threshold 227504ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle // falls inside a bucket. 2276c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle bool compile = data.GetTopKUsedPercentage() - data.GetUsedPercent() 2277c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle <= compiler_options_->GetTopKProfileThreshold(); 227808f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (kIsDebugBuild) { 227908f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (compile) { 228008f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle LOG(INFO) << "compiling method " << method_name << " because its usage is part of top " 228108f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << data.GetTopKUsedPercentage() << "% with a percent of " << data.GetUsedPercent() << "%" 228208f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << " (topKThreshold=" << compiler_options_->GetTopKProfileThreshold() << ")"; 228308f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } else { 228408f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle VLOG(compiler) << "not compiling method " << method_name 228508f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << " because it's not part of leading " << compiler_options_->GetTopKProfileThreshold() 228608f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << "% samples)"; 228708f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } 228839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 228939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return !compile; 229039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison} 229125fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier 229225fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartierstd::string CompilerDriver::GetMemoryUsageString() const { 229325fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier std::ostringstream oss; 229425fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier const ArenaPool* arena_pool = GetArenaPool(); 229525fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier gc::Heap* heap = Runtime::Current()->GetHeap(); 229625fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier oss << "arena alloc=" << PrettySize(arena_pool->GetBytesAllocated()); 229725fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier oss << " java alloc=" << PrettySize(heap->GetBytesAllocated()); 229825fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier#ifdef HAVE_MALLOC_H 229925fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier struct mallinfo info = mallinfo(); 230025fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier const size_t allocated_space = static_cast<size_t>(info.uordblks); 230125fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier const size_t free_space = static_cast<size_t>(info.fordblks); 230225fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier oss << " native alloc=" << PrettySize(allocated_space) << " free=" 230325fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier << PrettySize(free_space); 230425fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier#endif 230562746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe if (swap_space_.get() != nullptr) { 230662746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe oss << " swap=" << PrettySize(swap_space_->GetSize()); 230762746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe } 230862746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe oss << "\nCode dedupe: " << dedupe_code_.DumpStats(); 230962746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe oss << "\nMapping table dedupe: " << dedupe_mapping_table_.DumpStats(); 231062746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe oss << "\nVmap table dedupe: " << dedupe_vmap_table_.DumpStats(); 231162746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe oss << "\nGC map dedupe: " << dedupe_gc_map_.DumpStats(); 231262746d8d9c4400e4764f162b22bfb1a32be287a9Andreas Gampe oss << "\nCFI info dedupe: " << dedupe_cfi_info_.DumpStats(); 231325fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier return oss.str(); 231425fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier} 231525fda92083d5b93b38cc1f6b12ac6a44d992d6a4Mathieu Chartier 23169ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} // namespace art 2317