compiler_driver.cc revision 643b5df2b065ccf5bb19a183573da691e9d0311f
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 251aa246dec5abe212f699de1413a0c4a191ca364aElliott Hughes#include "base/stl_util.h" 26a84395489098e4531619b1cffd1afc282b14510eSameer Abu Asal#include "base/timing_logger.h" 279ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom#include "class_linker.h" 2898d1cc8033251c93786e2fa8c59a2e555a9493beMingyao Yang#include "compiled_class.h" 29b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray#include "compiler.h" 30be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko#include "compiler_driver-inl.h" 3189756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogers#include "dex_compilation_unit.h" 324f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 33c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko#include "dex/verification_results.h" 342730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko#include "dex/verified_method.h" 352bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "dex/quick/dex_file_method_inliner.h" 36ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell#include "driver/compiler_options.h" 379baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom#include "jni_internal.h" 3822d5e735f403c57525fe868304c7123f0ce66399Ian Rogers#include "object_lock.h" 39bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle#include "profiler.h" 401f87008b165d26541d832ff805250afdc89c253dBrian Carlstrom#include "runtime.h" 411d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 421d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/heap_bitmap.h" 431d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space.h" 44ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 45ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 462dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 472dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 4839ebcb800aabedd0ffa6aa4aeac8aa4194c66e61Ian Rogers#include "mirror/dex_cache-inl.h" 492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 502dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 512dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 5200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "scoped_thread_state_change.h" 5300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "ScopedLocalRef.h" 54eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier#include "handle_scope-inl.h" 5550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#include "thread.h" 560e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier#include "thread_pool.h" 57848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers#include "trampolines/trampoline_compiler.h" 58d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz#include "transaction.h" 59776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers#include "verifier/method_verifier.h" 602bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "verifier/method_verifier-inl.h" 619ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 629ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstromnamespace art { 639ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 646dd35ccbfbb29201c84a54261d75977c598ef2e6Ian Rogersstatic constexpr bool kTimeCompileMethod = !kIsDebugBuild; 65b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier 66996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic double Percentage(size_t x, size_t y) { 67398f64b5805246765b699839b439e18c0dfbf2eeElliott Hughes return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); 68996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 69996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 70996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic void DumpStat(size_t x, size_t y, const char* str) { 71996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (x == 0 && y == 0) { 72996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return; 73996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 74e732ef1c0192acd71925bd0ff1ab09640d45531dIan Rogers LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; 75996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 76996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 77f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markoclass CompilerDriver::AOTCompilationStats { 78c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers public: 79ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers AOTCompilationStats() 80ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers : stats_lock_("AOT compilation statistics lock"), 81ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers types_in_dex_cache_(0), types_not_in_dex_cache_(0), 82ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), 83ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_types_(0), unresolved_types_(0), 84ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_instance_fields_(0), unresolved_instance_fields_(0), 8502c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), 86fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_(0), 87fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_(0), not_safe_casts_(0) { 882ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 89c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[i] = 0; 90c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[i] = 0; 912ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[i] = 0; 922ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[i] = 0; 932ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[i] = 0; 94b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes } 95c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 96c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 97c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void Dump() { 98c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); 99c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); 100c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_types_, unresolved_types_, "types resolved"); 101c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); 102c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, 103c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields resolved"); 104c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, 105c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields local to a class"); 106fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); 107fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // Note, the code below subtracts the stat value so that when added to the stat value we have 108fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // 100% of samples. TODO: clean this up. 109fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(type_based_devirtualization_, 110fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + 111fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kInterface] + unresolved_methods_[kInterface] - 112fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_, 113fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers "virtual/interface calls made direct based on type information"); 114c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 1152ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 116c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers std::ostringstream oss; 1172ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; 118c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); 1192ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (virtual_made_direct_[i] > 0) { 1202ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1212ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " methods made direct"; 1222ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(virtual_made_direct_[i], 1232ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], 1242ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1252ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1262ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_calls_to_boot_[i] > 0) { 1272ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; 1292ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_calls_to_boot_[i], 1302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], 1312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1322ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_methods_to_boot_[i] > 0) { 1342ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; 1362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_methods_to_boot_[i], 1372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], 1382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1392ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 140c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 141c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 142996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 14350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers// Allow lossy statistics in non-debug builds. 144996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#ifndef NDEBUG 14550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) 146996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#else 147996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#define STATS_LOCK() 148996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#endif 149996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 150c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeInDexCache() { 151c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 152c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_in_dex_cache_++; 153c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 154996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 155c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNotInDexCache() { 156c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 157c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_not_in_dex_cache_++; 158c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 159996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 160c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringInDexCache() { 161c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 162c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_in_dex_cache_++; 163c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 164996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 165c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringNotInDexCache() { 166c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 167c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_not_in_dex_cache_++; 168c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 169996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 170c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeDoesntNeedAccessCheck() { 171c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 172c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_types_++; 173c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 174996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 175c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNeedsAccessCheck() { 176c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 177c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_types_++; 178c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 179996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 180c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedInstanceField() { 181c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 182c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_instance_fields_++; 183c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 184996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 185b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes void UnresolvedInstanceField() { 186c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 187c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_instance_fields_++; 188c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 189996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 190c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedLocalStaticField() { 191c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 192c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_local_static_fields_++; 193c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 194996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 195c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedStaticField() { 196c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 197c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_static_fields_++; 198c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 199996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 200c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedStaticField() { 201c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 202c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_static_fields_++; 203c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 204996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 205e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that type information from the verifier led to devirtualization. 20602c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal void PreciseTypeDevirtualization() { 20702c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal STATS_LOCK(); 20802c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal type_based_devirtualization_++; 20902c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal } 210e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers 211e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was resolved at compile time. 212c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedMethod(InvokeType type) { 213c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 214c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 215c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[type]++; 216996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 217996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 218e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was unresolved at compile time as it was in an 219e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // unknown dex file. 220c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedMethod(InvokeType type) { 221c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 222c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 223c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[type]++; 224996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 225c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 226e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a type of virtual method dispatch has been converted into a direct method 227e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // dispatch. 2282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void VirtualMadeDirect(InvokeType type) { 229e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers DCHECK(type == kVirtual || type == kInterface || type == kSuper); 2302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[type]++; 2322ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 234e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to call directly into boot. 2352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectCallsToBoot(InvokeType type) { 2362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 2372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[type]++; 2392ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2402ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 241e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to be resolved directly from boot. 2422ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectMethodsToBoot(InvokeType type) { 2432ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 244fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers STATS_LOCK(); 2452ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[type]++; 246fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers } 2472ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 248f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko void ProcessedInvoke(InvokeType type, int flags) { 249f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko STATS_LOCK(); 250f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (flags == 0) { 251f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko unresolved_methods_[type]++; 252f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 253f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_NE((flags & kFlagMethodResolved), 0); 254f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_methods_[type]++; 255f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagVirtualMadeDirect) != 0) { 256f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko virtual_made_direct_[type]++; 257f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagPreciseTypeDevirtualization) != 0) { 258f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko type_based_devirtualization_++; 259f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 260f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 261f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_EQ((flags & kFlagPreciseTypeDevirtualization), 0); 262f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 263f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectCallToBoot) != 0) { 264f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_calls_to_boot_[type]++; 265f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 266f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectMethodToBoot) != 0) { 267f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_methods_to_boot_[type]++; 268f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 269f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 270f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 271f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 272fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast could be eliminated due to verifier type analysis. 273fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void SafeCast() { 274fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 275fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_++; 276fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 277fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 278fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast couldn't be eliminated due to verifier type analysis. 279fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void NotASafeCast() { 280fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 281fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers not_safe_casts_++; 282fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 283fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 284c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers private: 285c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers Mutex stats_lock_; 286c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 287c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_in_dex_cache_; 288c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_not_in_dex_cache_; 289c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 290c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_in_dex_cache_; 291c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_not_in_dex_cache_; 292c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 293c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_types_; 294c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_types_; 295c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 296c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_instance_fields_; 297c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_instance_fields_; 298c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 299c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_local_static_fields_; 300c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_static_fields_; 301c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_static_fields_; 30202c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal // Type based devirtualization for invoke interface and virtual. 30302c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal size_t type_based_devirtualization_; 304c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 305c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_methods_[kMaxInvokeType + 1]; 306c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_methods_[kMaxInvokeType + 1]; 3072ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t virtual_made_direct_[kMaxInvokeType + 1]; 3082ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_calls_to_boot_[kMaxInvokeType + 1]; 3092ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_methods_to_boot_[kMaxInvokeType + 1]; 310c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 311fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t safe_casts_; 312fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t not_safe_casts_; 313fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 314b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); 315c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers}; 316996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 31751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 31851c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstromextern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, 31951c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile::CodeItem* code_item, 32051c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t access_flags, 32151c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::InvokeType invoke_type, 3228b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx, 32351c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t method_idx, 32451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom jobject class_loader, 32551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile& dex_file); 32651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 3276449c62e40ef3a9bb75f664f922555affb532ee4Brian CarlstromCompilerDriver::CompilerDriver(const CompilerOptions* compiler_options, 3286449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom VerificationResults* verification_results, 3295816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko DexFileToMethodInlinerMap* method_inliner_map, 330b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray Compiler::Kind compiler_kind, 331f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray InstructionSet instruction_set, 3327020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison InstructionSetFeatures instruction_set_features, 333cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers bool image, std::set<std::string>* image_classes, size_t thread_count, 33439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison bool dump_stats, bool dump_passes, CumulativeLogger* timer, 33539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::string profile_file) 336c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle : profile_present_(false), compiler_options_(compiler_options), 3376449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom verification_results_(verification_results), 3385816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko method_inliner_map_(method_inliner_map), 33972d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_(Compiler::Create(this, compiler_kind)), 340c531cefbfb5394413122e9f57d211ba436cff012buzbee instruction_set_(instruction_set), 3417020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison instruction_set_features_(instruction_set_features), 342fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_lock_("freezing constructor lock"), 343c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_classes_lock_("compiled classes lock"), 344c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_methods_lock_("compiled method lock"), 345aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom image_(image), 34696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes_(image_classes), 3475523ee070b005576c6f889415205d49ea77cf243Elliott Hughes thread_count_(thread_count), 34800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers start_ns_(0), 349c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_(new AOTCompilationStats), 350ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom dump_stats_(dump_stats), 351ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray dump_passes_(dump_passes), 352ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray timings_logger_(timer), 35335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_library_(nullptr), 35435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_context_(nullptr), 35535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_enable_auto_elf_loading_(nullptr), 35635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe compiler_get_method_code_addr_(nullptr), 35755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell support_boot_image_fixup_(instruction_set != kMips), 358ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell cfi_info_(nullptr), 359d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_code_("dedupe code"), 360d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_mapping_table_("dedupe mapping table"), 361d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_vmap_table_("dedupe vmap table"), 362ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_gc_map_("dedupe gc map"), 363ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_cfi_info_("dedupe cfi info") { 3646449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(compiler_options_ != nullptr); 3656449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(verification_results_ != nullptr); 3666449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(method_inliner_map_ != nullptr); 3672ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom 36835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, nullptr), "compiler tls key"); 3694df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 37075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); 3712d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 37272d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_->Init(); 37300bc1dc4f81268d78d7dfeb298b85c56876425a9Brian Carlstrom 37425c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom CHECK(!Runtime::Current()->IsStarted()); 375d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root if (image_) { 376d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() != nullptr); 377d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root } else { 378d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() == nullptr); 379ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 380ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 381ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell // Are we generating CFI information? 382ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (compiler_options->GetGenerateGDBInformation()) { 383b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray cfi_info_.reset(compiler_->GetCallFrameInformationInitialization(*this)); 384ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 385c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle 386c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle // Read the profile file if one is provided. 387c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (!profile_file.empty()) { 388c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle profile_present_ = profile_file_.LoadFile(profile_file); 389c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (profile_present_) { 390c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle LOG(INFO) << "Using profile data form file " << profile_file; 391c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } else { 392c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle LOG(INFO) << "Failed to load profile file " << profile_file; 393c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } 394c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } 395c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao} 396c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao 397193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateCode(const std::vector<uint8_t>& code) { 398193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_code_.Add(Thread::Current(), code); 399193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 400193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 401193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateMappingTable(const std::vector<uint8_t>& code) { 402193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_mapping_table_.Add(Thread::Current(), code); 403193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 404193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 405193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateVMapTable(const std::vector<uint8_t>& code) { 406193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_vmap_table_.Add(Thread::Current(), code); 407193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 408193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 409193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateGCMap(const std::vector<uint8_t>& code) { 410193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_gc_map_.Add(Thread::Current(), code); 411193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 412193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 413ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendellstd::vector<uint8_t>* CompilerDriver::DeduplicateCFIInfo(const std::vector<uint8_t>* cfi_info) { 414ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (cfi_info == nullptr) { 415ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return nullptr; 416ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 417ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return dedupe_cfi_info_.Add(Thread::Current(), *cfi_info); 418ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell} 419ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 4201212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerDriver::~CompilerDriver() { 42150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 422c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_classes_lock_); 424c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_classes_); 425c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 426c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 428c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_methods_); 429c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 430c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 43150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 432f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&code_to_patch_); 433f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 434f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom { 43550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 436f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&methods_to_patch_); 437f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 438be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi { 439be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(self, compiled_methods_lock_); 440be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi STLDeleteElements(&classes_to_patch_); 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)); 5113d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(class_loader, dex_files, thread_pool.get(), timings); 5123d504075f7c1204d581923460754bf6d3714b13fIan Rogers Compile(class_loader, dex_files, thread_pool.get(), timings); 513ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom if (dump_stats_) { 514ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom stats_->Dump(); 515ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom } 5168a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom} 5178a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 518590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierstatic DexToDexCompilationLevel GetDexToDexCompilationlevel( 5190cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier Thread* self, Handle<mirror::ClassLoader> class_loader, const DexFile& dex_file, 520590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const DexFile::ClassDef& class_def) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 5212d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const char* descriptor = dex_file.GetClassDescriptor(class_def); 5222d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 5239837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); 52435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass == nullptr) { 5252d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz CHECK(self->IsExceptionPending()); 5262d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->ClearException(); 52775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 52875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } 52935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // DexToDex at the kOptimize level may introduce quickened opcodes, which replace symbolic 53035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // references with actual offsets. We cannot re-verify such instructions. 53135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // 53235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // We store the verification information in the class status in the oat file, which the linker 53335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // can validate (checksums) and use to skip load-time verification. It is thus safe to 53435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // optimize when a class has been fully verified before. 53535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass->IsVerified()) { 53675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class is verified so we can enable DEX-to-DEX compilation for performance. 53775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kOptimize; 53875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else if (klass->IsCompileTimeVerified()) { 53975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has soft-failed. Anyway, ensure at least correctness. 54075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); 54175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kRequired; 54275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else { 54375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has failed: do not run DEX-to-DEX compilation. 54475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 5452d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 5462d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz} 5472d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 5483d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::CompileOne(mirror::ArtMethod* method, TimingLogger* timings) { 54925c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 55000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 5512d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jobject jclass_loader; 55200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 5538b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx; 554ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t method_idx = method->GetDexMethodIndex(); 555ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t access_flags = method->GetAccessFlags(); 556ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers InvokeType invoke_type = method->GetInvokeType(); 55700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 55800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 55900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> 56000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers local_class_loader(soa.Env(), 56100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 5622d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 56300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Find the dex_file 564bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier dex_file = method->GetDexFile(); 565bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier class_def_idx = method->GetClassDefIndex(); 56600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 567ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 56800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kNative); 569ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 570ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom std::vector<const DexFile*> dex_files; 57100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_files.push_back(dex_file); 572ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 573700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", 0U)); 5743d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(jclass_loader, dex_files, thread_pool.get(), timings); 575ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5762d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 57775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 5782d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 5792d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 5802d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 581eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 582eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 583eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 5849837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(self, class_loader, *dex_file, 5859837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 5862d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 587ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers CompileMethod(code_item, access_flags, invoke_type, class_def_idx, method_idx, jclass_loader, 588ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers *dex_file, dex_to_dex_compilation_level); 589ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5902d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 59100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 59200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 5939ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 5949ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 5951212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 5963d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 597ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 598ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 599d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(dex_file != nullptr); 6000171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ResolveDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 6019ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 6029ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 6039ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 6041212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 6053d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 60696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LoadImageClasses(timings); 60796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 60835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe Resolve(class_loader, dex_files, thread_pool, timings); 60935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 6104a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsVerificationEnabled()) { 611ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe LOG(INFO) << "Verify none mode specified, skipping verification."; 61235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe SetVerified(class_loader, dex_files, thread_pool, timings); 6134a200f56b7075309316b04d550c9cc50f8314eddJeff Hao return; 6144a200f56b7075309316b04d550c9cc50f8314eddJeff Hao } 6154a200f56b7075309316b04d550c9cc50f8314eddJeff Hao 6162f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Verify(class_loader, dex_files, thread_pool, timings); 617ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 6182f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom InitializeClasses(class_loader, dex_files, thread_pool, timings); 61996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 62096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom UpdateImageClasses(timings); 621ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 622ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 623dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogersbool CompilerDriver::IsImageClass(const char* descriptor) const { 624e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 62596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 626e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 627dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers return image_classes_->find(descriptor) != image_classes_->end(); 628ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 629ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 630ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 63196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic void ResolveExceptionsForMethod(MethodHelper* mh, 632700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>>& exceptions_to_resolve) 63396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 634bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = mh->GetMethod()->GetCodeItem(); 63535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (code_item == nullptr) { 63696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // native or abstract method 63796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 63896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item->tries_size_ == 0) { 63996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // nothing to process 64096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 64196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 64296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 64396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 64496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 64596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom bool has_catch_all = false; 64696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (encoded_catch_handler_size <= 0) { 64796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom encoded_catch_handler_size = -encoded_catch_handler_size; 64896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom has_catch_all = true; 64996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 65196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom uint16_t encoded_catch_handler_handlers_type_idx = 65296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 65396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Add to set of types to resolve if not already in the dex cache resolved types 654bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (!mh->GetMethod()->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 65596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom exceptions_to_resolve.insert( 65696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 657bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh->GetMethod()->GetDexFile())); 65896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore address associated with catch handler 66096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 66196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (has_catch_all) { 66396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore catch all address 66496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 66596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 66896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 66996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 67096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 671700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>>* exceptions_to_resolve = 672700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*>>*>(arg); 673bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<1> hs(Thread::Current()); 674bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle<mirror::ArtMethod>(nullptr)); 67596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 676bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh.ChangeMethod(c->GetVirtualMethod(i)); 67796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 67896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 67996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 680bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh.ChangeMethod(c->GetDirectMethod(i)); 68196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 68296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 68396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 68496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 68596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 68696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 68796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 688cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::set<std::string>* image_classes = reinterpret_cast<std::set<std::string>*>(arg); 689cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 690cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers image_classes->insert(klass->GetDescriptor(&temp)); 69196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 69296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 69396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 69496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom// Make a list of descriptors for classes to include in the image 6953d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::LoadImageClasses(TimingLogger* timings) 69696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOCKS_EXCLUDED(Locks::mutator_lock_) { 697d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(timings != nullptr); 698e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 69996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; 70096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 70196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 702f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("LoadImageClasses", timings); 70396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Make a first class to load all classes explicitly listed in the file 70496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom Thread* self = Thread::Current(); 70596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ScopedObjectAccess soa(self); 70696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 707d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() != nullptr); 70802e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 709e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko const std::string& descriptor(*it); 710eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(self); 711eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 712eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindSystemClass(self, descriptor.c_str()))); 71335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass.Get() == nullptr) { 714e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers VLOG(compiler) << "Failed to find class " << descriptor; 715e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko image_classes_->erase(it++); 716a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers self->ClearException(); 71796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } else { 71896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ++it; 71996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 72096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 72196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 72296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolve exception classes referenced by the loaded classes. The catch logic assumes 72396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // exceptions are resolved by the verifier when there is a catch block in an interested method. 72496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Do this here so that exception classes appear to have been specified image classes. 725700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>> unresolved_exception_types; 726eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(self); 727eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> java_lang_Throwable( 728eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindSystemClass(self, "Ljava/lang/Throwable;"))); 72996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom do { 73096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom unresolved_exception_types.clear(); 73196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 73296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom &unresolved_exception_types); 73302e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { 73402e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier uint16_t exception_type_idx = exception_type.first; 73502e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const DexFile* dex_file = exception_type.second; 7360cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier StackHandleScope<2> hs(self); 737eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(*dex_file))); 738eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass(hs.NewHandle( 7390cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier class_linker->ResolveType(*dex_file, exception_type_idx, dex_cache, 7400cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier NullHandle<mirror::ClassLoader>()))); 74135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass.Get() == nullptr) { 74296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 74396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const char* descriptor = dex_file->GetTypeDescriptor(type_id); 74496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOG(FATAL) << "Failed to resolve class " << descriptor; 74596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 746eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier DCHECK(java_lang_Throwable->IsAssignableFrom(klass.Get())); 74796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 74896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolving exceptions may load classes that reference more exceptions, iterate until no 74996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // more are found 75096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } while (!unresolved_exception_types.empty()); 75196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 75296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // We walk the roots looking for classes so that we'll pick up the 75396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // above classes plus any classes them depend on such super 75496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // classes, interfaces, and the required ClassLinker roots. 75596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 75696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 75796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CHECK_NE(image_classes_->size(), 0U); 75896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 75996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 760cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogersstatic void MaybeAddToImageClasses(Handle<mirror::Class> c, std::set<std::string>* image_classes) 76196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 762f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Thread* self = Thread::Current(); 763f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 764f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier // Make a copy of the handle so that we don't clobber it doing Assign. 765f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Handle<mirror::Class> klass(hs.NewHandle(c.Get())); 766cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 76796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom while (!klass->IsObjectClass()) { 768cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = klass->GetDescriptor(&temp); 769cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::pair<std::set<std::string>::iterator, bool> result = image_classes->insert(descriptor); 770cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (!result.second) { // Previously inserted. 771cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers break; 77296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 773cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers VLOG(compiler) << "Adding " << descriptor << " to image classes"; 774f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier for (size_t i = 0; i < klass->NumDirectInterfaces(); ++i) { 775f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 776f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(mirror::Class::GetDirectInterface(self, klass, i)), 777f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier image_classes); 77896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 77996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass->IsArrayClass()) { 780f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 781f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(klass->GetComponentType()), image_classes); 78296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 783f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier klass.Assign(klass->GetSuperClass()); 78496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 78596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 78696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 78796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromvoid CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 78835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(object != nullptr); 78935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(arg != nullptr); 79096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 791f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(Thread::Current()); 792f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(object->GetClass()), compiler_driver->image_classes_.get()); 79396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 79496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 7953d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::UpdateImageClasses(TimingLogger* timings) { 796e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 797f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("UpdateImageClasses", timings); 798e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Update image_classes_ with classes for objects created by <clinit> methods. 799e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers Thread* self = Thread::Current(); 800e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 801e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 802e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // TODO: Image spaces only? 803590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ScopedObjectAccess soa(Thread::Current()); 804e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 805590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier heap->VisitObjects(FindClinitImageClassesCallback, this); 806e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers self->EndAssertNoThreadSuspension(old_cause); 807e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 80896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 80996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 810590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierbool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, uint32_t type_idx) { 811fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers if (IsImage() && 812dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers IsImageClass(dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_))) { 8134ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe { 8146fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers ScopedObjectAccess soa(Thread::Current()); 8156fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8166fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8174ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe if (resolved_class == nullptr) { 8184ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe // Erroneous class. 8194ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe stats_->TypeNotInDexCache(); 8204ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe return false; 8214ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe } 8226fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers } 823c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeInDexCache(); 8246fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return true; 825996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 826c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNotInDexCache(); 8276fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return false; 828996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 8296d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers} 8306d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers 8311212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 8321212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t string_idx) { 8331bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // See also Compiler::ResolveDexFile 8341bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8355f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers bool result = false; 8365f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers if (IsImage()) { 8375f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers // We resolve all const-string strings when building for the image. 83800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 839eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 840eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache( 841eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(dex_file))); 8425f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 8435f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers result = true; 84400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 845996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 846c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringInDexCache(); 847996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 848c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringNotInDexCache(); 849996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 850996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8511bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8521bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8531212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 854c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers uint32_t type_idx, 855c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* type_known_final, bool* type_known_abstract, 856c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* equals_referrers_class) { 85735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_final != nullptr) { 858c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = false; 859c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 86035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_abstract != nullptr) { 861c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_abstract = false; 862c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 86335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (equals_referrers_class != nullptr) { 864c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = false; 865c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 86600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 8672dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8681bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier 8692dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 87035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (resolved_class == nullptr) { 871c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8721bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 8731bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8741bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 87535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (equals_referrers_class != nullptr) { 876c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = (method_id.class_idx_ == type_idx); 877c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 8782dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 87935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (referrer_class == nullptr) { 880c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8811bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 8821bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8831bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access check, will return true if access is ok or false if we're going to have to 8841bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // check this at runtime (for example for class loaders). 885996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class); 886996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 887c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 88835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_final != nullptr) { 889c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 890c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 89135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (type_known_abstract != nullptr) { 892b19fa800aab1c2731b12ff24696feca13901db3fIan Rogers *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 893c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 894996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 895c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 896996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 897996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8981bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8991bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 9001212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 9011212a022fa5f8ef9585d765b1809521812af882cIan Rogers const DexFile& dex_file, 9021212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t type_idx) { 90300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 9042dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 9051bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier. 9062dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 90735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (resolved_class == nullptr) { 908c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 9091bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 9101bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 9111bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 9122dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 91335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (referrer_class == nullptr) { 914c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 9151bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 9161bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 9171bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access and instantiable checks, will return true if access is ok or false if we're 9181bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // going to have to check this at runtime (for example for class loaders). 919996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 920996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 921c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 922996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 923c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 924996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 925996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 9261bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 9271bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 928be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchibool CompilerDriver::CanEmbedTypeInCode(const DexFile& dex_file, uint32_t type_idx, 929be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi bool* is_type_initialized, bool* use_direct_type_ptr, 9308668c3cbdcf9471bd97e0da68a240051f2973074Mathieu Chartier uintptr_t* direct_type_ptr, bool* out_is_finalizable) { 931be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi ScopedObjectAccess soa(Thread::Current()); 932be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 933be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 934be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (resolved_class == nullptr) { 935be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 936be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 937643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin if (GetCompilerOptions().GetCompilePic()) { 938643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin // Do not allow a direct class pointer to be used when compiling for position-independent 939643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin return false; 940643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin } 9418668c3cbdcf9471bd97e0da68a240051f2973074Mathieu Chartier *out_is_finalizable = resolved_class->IsFinalizable(); 942be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 943345c4b19758703793ed31024cfb79940e2c63b75Alex Light const bool support_boot_image_fixup = GetSupportBootImageFixup(); 944be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (compiling_boot) { 945be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> boot class pointers. 946be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at boot compiling time. 947be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool is_image_class = IsImage() && IsImageClass( 948be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_)); 949be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if pc relative load works. 950be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (is_image_class && support_boot_image_fixup) { 951be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 952be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *use_direct_type_ptr = false; 953be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = 0; 954be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 955be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 956be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 957be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 958be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 959be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at app compiling time. 960be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool class_in_image = 961be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi Runtime::Current()->GetHeap()->FindSpaceFromObject(resolved_class, false)->IsImageSpace(); 962345c4b19758703793ed31024cfb79940e2c63b75Alex Light if (class_in_image && support_boot_image_fixup) { 963be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> app class pointers. 964be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 965a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // TODO This is somewhat hacky. We should refactor all of this invoke codepath. 966a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *use_direct_type_ptr = !GetCompilerOptions().GetIncludePatchInformation(); 967be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = reinterpret_cast<uintptr_t>(resolved_class); 968be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 969be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 970be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // app -> app class pointers. 971be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // Give up because app does not have an image and class 972be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // isn't created at compile time. TODO: implement this 973be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // if/when each app gets an image. 974be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 975be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 976be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 977be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 978be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi 979be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedInstanceField(bool resolved) { 980be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 981be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedInstanceField(); 982be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 983be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedInstanceField(); 984be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 985be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 986be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 987be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedStaticField(bool resolved, bool local) { 988be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 989be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedStaticField(); 990be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else if (local) { 991be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedLocalStaticField(); 992be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 993be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedStaticField(); 994be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 995be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 996be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 997f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markovoid CompilerDriver::ProcessedInvoke(InvokeType invoke_type, int flags) { 998f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_->ProcessedInvoke(invoke_type, flags); 999a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 1000a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 1001e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffraymirror::ArtField* CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, 1002e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray const DexCompilationUnit* mUnit, 1003e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool is_put, 1004e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray const ScopedObjectAccess& soa) { 1005be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1006be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1007be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1008be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1009be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1010eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1011eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache_handle( 1012eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1013eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader_handle( 1014eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1015eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtField> resolved_field_handle(hs.NewHandle( 1016eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveField(soa, dex_cache_handle, class_loader_handle, mUnit, field_idx, false))); 1017eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_field_handle.Get() != nullptr) 1018eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ? ResolveCompilingMethodsClass(soa, dex_cache_handle, class_loader_handle, mUnit) : nullptr; 1019eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_field = resolved_field_handle.Get(); 1020eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier dex_cache = dex_cache_handle.Get(); 10211bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1022e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool can_link = false; 1023be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1024be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastInstanceField( 1025e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray dex_cache, referrer_class, resolved_field, field_idx); 1026e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray can_link = is_put ? fast_path.second : fast_path.first; 1027be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1028e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray ProcessedInstanceField(can_link); 1029e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return can_link ? resolved_field : nullptr; 1030e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray} 1031e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray 1032e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffraybool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1033e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool is_put, MemberOffset* field_offset, 1034e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool* is_volatile) { 1035e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray ScopedObjectAccess soa(Thread::Current()); 1036e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray StackHandleScope<1> hs(soa.Self()); 1037e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray Handle<mirror::ArtField> resolved_field = 1038e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray hs.NewHandle(ComputeInstanceFieldInfo(field_idx, mUnit, is_put, soa)); 1039e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray 1040e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray if (resolved_field.Get() == nullptr) { 1041be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1042be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1043be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1044e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return false; 1045e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray } else { 1046e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray *is_volatile = resolved_field->IsVolatile(); 1047e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray *field_offset = resolved_field->GetOffset(); 1048e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return true; 1049be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 10501bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10511bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 105289756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogersbool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1053be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool is_put, MemberOffset* field_offset, 1054be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko uint32_t* storage_index, bool* is_referrers_class, 1055be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool* is_volatile, bool* is_initialized) { 105600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1057be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1058be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1059be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1060be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1061be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1062eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1063eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache_handle( 1064eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1065eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader_handle( 1066eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1067eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtField> resolved_field_handle(hs.NewHandle( 1068eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveField(soa, dex_cache_handle, class_loader_handle, mUnit, field_idx, true))); 1069eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_field_handle.Get() != nullptr) 1070eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ? ResolveCompilingMethodsClass(soa, dex_cache_handle, class_loader_handle, mUnit) : nullptr; 1071eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_field = resolved_field_handle.Get(); 1072eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier dex_cache = dex_cache_handle.Get(); 10731bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1074be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool result = false; 1075be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1076be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = IsFieldVolatile(resolved_field); 1077be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastStaticField( 1078be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache, referrer_class, resolved_field, field_idx, field_offset, 1079be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko storage_index, is_referrers_class, is_initialized); 1080be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko result = is_put ? fast_path.second : fast_path.first; 1081be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1082be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!result) { 1083be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1084be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1085be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1086be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *storage_index = -1; 1087be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_referrers_class = false; 1088be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_initialized = false; 1089be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1090be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ProcessedStaticField(result, *is_referrers_class); 1091be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko return result; 10921bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10931bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 109483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogersvoid CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType* type, InvokeType sharp_type, 109583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool no_guarantee_of_dex_cache_entry, 1096643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin const mirror::Class* referrer_class, 1097ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, 1098f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int* stats_flags, 109983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers MethodReference* target_method, 110065ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_code, 110165ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1102137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For direct and static methods compute possible direct_code and direct_method values, ie 1103137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // an address for the Method* being invoked and an address of the code for that Method*. 1104137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For interface calls compute a value for direct_method that is the interface method being 1105137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // invoked, so this can be passed to the out-of-line runtime support code. 110665ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_code = 0; 110765ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_method = 0; 1108643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin bool use_dex_cache = GetCompilerOptions().GetCompilePic(); // Off by default 1109590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 1110a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // TODO This is somewhat hacky. We should refactor all of this invoke codepath. 1111a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light const bool force_relocations = (compiling_boot || 1112a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light GetCompilerOptions().GetIncludePatchInformation()); 1113b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray if (compiler_->IsPortable()) { 1114c531cefbfb5394413122e9f57d211ba436cff012buzbee if (sharp_type != kStatic && sharp_type != kDirect) { 1115c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1116c531cefbfb5394413122e9f57d211ba436cff012buzbee } 111783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1118c531cefbfb5394413122e9f57d211ba436cff012buzbee } else { 111988474b416eb257078e590bf9bc7957cee604a186Jeff Hao if (sharp_type != kStatic && sharp_type != kDirect) { 1120c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1121c531cefbfb5394413122e9f57d211ba436cff012buzbee } 112283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // TODO: support patching on all architectures. 1123643b5df2b065ccf5bb19a183573da691e9d0311fIgor Murashkin use_dex_cache = use_dex_cache || (force_relocations && !support_boot_image_fixup_); 1124b8404a7de94c109e3c17b4205b5f8aaae996eb33TDYa } 112583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool method_code_in_boot = (method->GetDeclaringClass()->GetClassLoader() == nullptr); 112683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!use_dex_cache) { 112783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!method_code_in_boot) { 112883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 112983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 113083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool has_clinit_trampoline = 113183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 113283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 113383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Ensure we run the clinit trampoline unless we are invoking a static method in the same 113483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // class. 113583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 113683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 113783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1139f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (method_code_in_boot) { 1140f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *stats_flags |= kFlagDirectCallToBoot | kFlagDirectMethodToBoot; 11412ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1142a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (!use_dex_cache && force_relocations) { 1143a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (!IsImage() || !IsImageClass(method->GetDeclaringClassDescriptor())) { 114483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // We can only branch directly to Methods that are resolved in the DexCache. 114583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Otherwise we won't invoke the resolution trampoline. 114683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1147e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1148c468e92d1e18305a5053c8a4a7c88cb297e525afIan Rogers } 114983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // The method is defined not within this dex file. We need a dex cache slot within the current 115083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // dex file or direct pointers. 115183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool must_use_direct_pointers = false; 115283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (target_method->dex_file == method->GetDeclaringClass()->GetDexCache()->GetDexFile()) { 115383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = method->GetDexMethodIndex(); 115483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 115583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (no_guarantee_of_dex_cache_entry) { 1156bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<1> hs(Thread::Current()); 1157bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle(method)); 115883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // See if the method is also declared in this dex cache. 1159bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier uint32_t dex_method_idx = mh.FindDexMethodIndexInOtherDexFile( 1160bbcc0c0a17262f3d2a70fc0a82e1783862f708ccVladimir Marko *target_method->dex_file, target_method->dex_method_index); 116183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (dex_method_idx != DexFile::kDexNoIndex) { 116283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = dex_method_idx; 116383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 1164a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (force_relocations && !use_dex_cache) { 116549161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_method_index = method->GetDexMethodIndex(); 116649161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 116749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao } 116883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers must_use_direct_pointers = true; 11693fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 11703fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 117183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 117283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (use_dex_cache) { 117383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (must_use_direct_pointers) { 117483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Fail. Test above showed the only safe dispatch was via the dex cache, however, the direct 117583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // pointers are required as the dex cache lacks an appropriate entry. 117683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 117783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 117883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 117983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11803fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } else { 1181a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light bool method_in_image = 1182a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace(); 1183a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (method_in_image || compiling_boot) { 1184a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // We know we must be able to get to the method in the image, so use that pointer. 1185a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko CHECK(!method->IsAbstract()); 118683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 1187a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_method = force_relocations ? -1 : reinterpret_cast<uintptr_t>(method); 1188a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = force_relocations ? -1 : compiler_->GetEntryPointOf(method); 1189a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1190a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko target_method->dex_method_index = method->GetDexMethodIndex(); 1191a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko } else if (!must_use_direct_pointers) { 1192a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko // Set the code and rely on the dex cache for the method. 1193a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko *type = sharp_type; 1194a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (force_relocations) { 1195a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = -1; 1196a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1197a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light target_method->dex_method_index = method->GetDexMethodIndex(); 1198a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light } else { 1199a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = compiler_->GetEntryPointOf(method); 1200a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light } 120183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 1202a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko // Direct pointers were required but none were available. 1203a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 12043fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 12052ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 12062ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers} 12072ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 1208e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogersbool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 120965ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers bool update_stats, bool enable_devirtualization, 121065ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers InvokeType* invoke_type, MethodReference* target_method, 121165ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers int* vtable_idx, uintptr_t* direct_code, 121265ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1213f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko InvokeType orig_invoke_type = *invoke_type; 1214f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int stats_flags = 0; 121500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1216f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Try to resolve the method and compiling method's class. 1217f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::ArtMethod* resolved_method; 1218f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::Class* referrer_class; 1219eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1220eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache( 1221eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1222eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader(hs.NewHandle( 1223eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1224f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko { 1225f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko uint32_t method_idx = target_method->dex_method_index; 1226eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtMethod> resolved_method_handle(hs.NewHandle( 1227eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveMethod(soa, dex_cache, class_loader, mUnit, method_idx, orig_invoke_type))); 1228eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_method_handle.Get() != nullptr) 1229f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader, mUnit) : nullptr; 1230eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_method = resolved_method_handle.Get(); 1231f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 1232f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko bool result = false; 1233f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (resolved_method != nullptr) { 1234f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = GetResolvedMethodVTableIndex(resolved_method, orig_invoke_type); 1235f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1236f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (enable_devirtualization) { 1237f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 1238f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko const MethodReference* devirt_target = mUnit->GetVerifiedMethod()->GetDevirtTarget(dex_pc); 1239f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1240f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = IsFastInvoke( 1241f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko soa, dex_cache, class_loader, mUnit, referrer_class, resolved_method, 1242f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko invoke_type, target_method, devirt_target, direct_code, direct_method); 1243f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = stats_flags != 0; 1244f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1245f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Devirtualization not enabled. Inline IsFastInvoke(), dropping the devirtualization parts. 1246f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (UNLIKELY(referrer_class == nullptr) || 1247f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko UNLIKELY(!referrer_class->CanAccessResolvedMethod(resolved_method->GetDeclaringClass(), 1248eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_method, dex_cache.Get(), 1249f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko target_method->dex_method_index)) || 1250f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *invoke_type == kSuper) { 1251f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Slow path. (Without devirtualization, all super calls go slow path as well.) 1252f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1253f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Sharpening failed so generate a regular resolved method dispatch. 1254f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = kFlagMethodResolved; 1255f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko GetCodeAndMethodForDirectCall(invoke_type, *invoke_type, false, referrer_class, resolved_method, 1256f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko &stats_flags, target_method, direct_code, direct_method); 1257f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = true; 1258a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1259a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1260a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1261f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (!result) { 1262f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Conservative defaults. 1263f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = -1; 1264f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_code = 0u; 1265f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_method = 0u; 1266a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1267e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers if (update_stats) { 1268f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ProcessedInvoke(orig_invoke_type, stats_flags); 1269e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1270f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko return result; 1271a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 1272a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 12732730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markoconst VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, 12742730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko uint32_t method_idx) const { 12752730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko MethodReference ref(dex_file, method_idx); 12762730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko return verification_results_->GetVerifiedMethod(ref); 12772730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko} 12782730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko 12792730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markobool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { 128035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (!compiler_options_->IsVerificationEnabled()) { 128135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // If we didn't verify, every cast has to be treated as non-safe. 128235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe return false; 128335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 12842730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 12852730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); 1286fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers if (result) { 1287fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->SafeCast(); 1288fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } else { 1289fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->NotASafeCast(); 1290fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 1291fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers return result; 1292fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers} 1293fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 12941212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddCodePatch(const DexFile* dex_file, 12958b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 12968b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 12978b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 12988b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 129949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 13008b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 13018b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 130250b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1303be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi code_to_patch_.push_back(new CallPatchInformation(dex_file, 1304be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1305be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1306be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1307be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 130849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1309be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1310be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 13113fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 131255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid CompilerDriver::AddRelativeCodePatch(const DexFile* dex_file, 131355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint16_t referrer_class_def_idx, 131455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t referrer_method_idx, 131555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType referrer_invoke_type, 131655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t target_method_idx, 131749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 131855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType target_invoke_type, 131955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell size_t literal_offset, 132055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell int32_t pc_relative_offset) { 132155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell MutexLock mu(Thread::Current(), compiled_methods_lock_); 132255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell code_to_patch_.push_back(new RelativeCallPatchInformation(dex_file, 132355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_class_def_idx, 132455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_method_idx, 132555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_invoke_type, 132655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_method_idx, 132749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 132855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_invoke_type, 132955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell literal_offset, 133055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell pc_relative_offset)); 133155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 13321212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddMethodPatch(const DexFile* dex_file, 13338b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 13348b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 13358b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 13368b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 133749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 13388b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 13398b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 134050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1341be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi methods_to_patch_.push_back(new CallPatchInformation(dex_file, 1342be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1343be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1344be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1345be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 134649161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1347be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1348be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 1349be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 1350be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchivoid CompilerDriver::AddClassPatch(const DexFile* dex_file, 1351be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint16_t referrer_class_def_idx, 1352be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t referrer_method_idx, 1353be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t target_type_idx, 1354be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi size_t literal_offset) { 1355be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(Thread::Current(), compiled_methods_lock_); 1356be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi classes_to_patch_.push_back(new TypePatchInformation(dex_file, 1357be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1358be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1359be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_type_idx, 1360be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 13613fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 13623fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers 1363219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersclass ParallelCompilationManager { 1364731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom public: 1365219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers typedef void Callback(const ParallelCompilationManager* manager, size_t index); 13660e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier 1367219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager(ClassLinker* class_linker, 1368219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers jobject class_loader, 1369219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers CompilerDriver* compiler, 1370219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile* dex_file, 13710171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 13723d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool) 13730b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier : index_(0), 13740b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier class_linker_(class_linker), 1375731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom class_loader_(class_loader), 1376731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom compiler_(compiler), 13770e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier dex_file_(dex_file), 13780171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe dex_files_(dex_files), 13793d504075f7c1204d581923460754bf6d3714b13fIan Rogers thread_pool_(thread_pool) {} 1380731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 138100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ClassLinker* GetClassLinker() const { 138235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(class_linker_ != nullptr); 1383731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_linker_; 1384731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 138500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 138600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jobject GetClassLoader() const { 1387731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_loader_; 1388731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 138900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 13901212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* GetCompiler() const { 139135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(compiler_ != nullptr); 1392731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return compiler_; 1393731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 139400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 139500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* GetDexFile() const { 139635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file_ != nullptr); 1397731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return dex_file_; 1398731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 1399731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 14000171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& GetDexFiles() const { 14010171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return dex_files_; 14020171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe } 14030171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe 14040e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 14050e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier Thread* self = Thread::Current(); 14060e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 14070e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_GT(work_units, 0U); 14089ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 14093e5cf305db800b2989ad57b7cde8fb3cc9fa1b9eIan Rogers index_.StoreRelaxed(begin); 14100e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier for (size_t i = 0; i < work_units; ++i) { 1411501baec5f2de2156bb5ed7f66d23f1b1ad026267Sebastien Hertz thread_pool_->AddTask(self, new ForAllClosure(this, end, callback)); 14120e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 14130e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier thread_pool_->StartWorkers(self); 141400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 14150e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 14160e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // thread destructor's called below perform join). 14170e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_NE(self->GetState(), kRunnable); 1418d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14190e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Wait for all the worker threads to finish. 14201d54e73444e017d3a65234e0f193846f3e27472bIan Rogers thread_pool_->Wait(self, true, false); 1421d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1422d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14230b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier size_t NextIndex() { 14243e5cf305db800b2989ad57b7cde8fb3cc9fa1b9eIan Rogers return index_.FetchAndAddSequentiallyConsistent(1); 14250b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 14260b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 1427d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes private: 142802b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier class ForAllClosure : public Task { 14290e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier public: 14300b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ForAllClosure(ParallelCompilationManager* manager, size_t end, Callback* callback) 1431219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers : manager_(manager), 14320e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier end_(end), 14330b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(callback) {} 14349ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 14350e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier virtual void Run(Thread* self) { 14360b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier while (true) { 14370b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier const size_t index = manager_->NextIndex(); 14380b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier if (UNLIKELY(index >= end_)) { 14390b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier break; 14400b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 14410b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(manager_, index); 14420e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 14430e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 14440e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 144502b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier 144602b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier virtual void Finalize() { 144702b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier delete this; 144802b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier } 14490cd7ec2dcd8d7ba30bf3ca420b40dac52849876cBrian Carlstrom 14500e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier private: 14510b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ParallelCompilationManager* const manager_; 14520e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const size_t end_; 1453460536209b741bc469f1b0857775449abb2102fbBernhard Rosenkränzer Callback* const callback_; 14540e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier }; 14551e4092589f1400915e6213014da103aab8728ef6Elliott Hughes 14560b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier AtomicInteger index_; 14570e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier ClassLinker* const class_linker_; 14580e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const jobject class_loader_; 14591212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* const compiler_; 14600e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const DexFile* const dex_file_; 14610171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files_; 1462219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ThreadPool* const thread_pool_; 14630b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 14640b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); 1465d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes}; 1466d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14670e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// A fast version of SkipClass above if the class pointer is available 14680e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// that avoids the expensive FindInClassPath search. 14690e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Haostatic bool SkipClass(jobject class_loader, const DexFile& dex_file, mirror::Class* klass) 14700e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 147135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(klass != nullptr); 14720e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); 14730e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (&dex_file != &original_dex_file) { 147435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (class_loader == nullptr) { 14750e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(WARNING) << "Skipping class " << PrettyDescriptor(klass) << " from " 14760e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << dex_file.GetLocation() << " previously found in " 14770e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << original_dex_file.GetLocation(); 14780e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 14790e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return true; 14800e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 14810e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return false; 14820e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao} 14830e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 148470b634882b523ec9795475dccc347b423cefaef6Mathieu Chartierstatic void CheckAndClearResolveException(Thread* self) 148570b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 148670b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CHECK(self->IsExceptionPending()); 148770b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier mirror::Throwable* exception = self->GetException(nullptr); 1488cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 1489cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = exception->GetClass()->GetDescriptor(&temp); 1490cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* expected_exceptions[] = { 1491cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/IllegalAccessError;", 1492cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/IncompatibleClassChangeError;", 1493cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/InstantiationError;", 1494118785c6f82ac1ec7074b5efe367b3dafd904940Brian Carlstrom "Ljava/lang/LinkageError;", 1495cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoClassDefFoundError;", 1496cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoSuchFieldError;", 1497cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoSuchMethodError;" 1498cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers }; 1499cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers bool found = false; 1500cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers for (size_t i = 0; (found == false) && (i < arraysize(expected_exceptions)); ++i) { 1501cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (strcmp(descriptor, expected_exceptions[i]) == 0) { 1502cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers found = true; 1503cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 1504cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 1505cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (!found) { 1506118785c6f82ac1ec7074b5efe367b3dafd904940Brian Carlstrom LOG(FATAL) << "Unexpected exception " << exception->Dump(); 150770b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier } 150870b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier self->ClearException(); 150970b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier} 151070b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier 1511e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogersstatic void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, 1512e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers size_t class_def_index) 1513b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 15148f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 1515be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers Thread* self = Thread::Current(); 1516be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers jobject jclass_loader = manager->GetClassLoader(); 1517219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1518be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1519d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1520e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // If an instance field is final then we need to have a barrier on the return, static final 1521e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // fields are assigned within the lock held for class initialization. Conservatively assume 1522e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // constructor barriers are always required. 1523e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers bool requires_constructor_barrier = true; 1524e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers 1525845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // Method and Field are the worst. We can't resolve without either 1526845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // context from the code use (to disambiguate virtual vs direct 1527845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // method and instance vs static field) or from class 1528845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions. While the compiler will resolve what it can as it 1529845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // needs it, here we try to resolve fields and methods used in class 1530845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions, since many of them many never be referenced by 1531845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // generated code. 1532d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1533cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers ScopedObjectAccess soa(self); 1534cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers StackHandleScope<2> hs(soa.Self()); 1535cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers Handle<mirror::ClassLoader> class_loader( 1536cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1537cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1538cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Resolve the class. 1539cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, 1540cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers class_loader); 1541cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers bool resolve_fields_and_methods; 1542cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (klass == nullptr) { 1543cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Class couldn't be resolved, for example, super-class is in a different dex file. Don't 1544cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // attempt to resolve methods and fields when there is no declaring class. 1545cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1546cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers resolve_fields_and_methods = false; 1547cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } else { 1548cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // We successfully resolved a class, should we skip it? 1549cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (SkipClass(jclass_loader, dex_file, klass)) { 1550cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers return; 1551cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } 1552cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // We want to resolve the methods and fields eagerly. 1553cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers resolve_fields_and_methods = true; 1554cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1555cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Note the class_data pointer advances through the headers, 1556cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // static fields, instance fields, direct methods, and virtual 1557cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // methods. 1558cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers const byte* class_data = dex_file.GetClassData(class_def); 155935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (class_data == nullptr) { 1560cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // Empty class such as a marker interface. 1561cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers requires_constructor_barrier = false; 1562cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } else { 1563cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers ClassDataItemIterator it(dex_file, class_data); 1564cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextStaticField()) { 1565cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (resolve_fields_and_methods) { 1566cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1567cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, true); 156835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (field == nullptr) { 1569cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1570e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1571e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1572cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.Next(); 1573cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1574cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers // We require a constructor barrier if there are final instance fields. 1575cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers requires_constructor_barrier = false; 1576cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextInstanceField()) { 15777fc8f90b7160e879143be5cfd6ea3df866398884Andreas Gampe if (it.MemberIsFinal()) { 1578cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers requires_constructor_barrier = true; 1579cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1580cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (resolve_fields_and_methods) { 1581cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1582cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, false); 158335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (field == nullptr) { 1584cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1585e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1586cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1587cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.Next(); 1588cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers } 1589cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers if (resolve_fields_and_methods) { 1590cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextDirectMethod()) { 1591cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1592cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, 1593cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers NullHandle<mirror::ArtMethod>(), 1594cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.GetMethodInvokeType(class_def)); 159535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (method == nullptr) { 1596cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1597e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1598e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1599e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1600cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers while (it.HasNextVirtualMethod()) { 1601cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1602cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers dex_cache, class_loader, 1603cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers NullHandle<mirror::ArtMethod>(), 1604cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.GetMethodInvokeType(class_def)); 160535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (method == nullptr) { 1606cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers CheckAndClearResolveException(soa.Self()); 1607e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1608cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers it.Next(); 1609e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1610cc2f2393e69a9b1425bad1a89f41aaaf8c38f9e2Ian Rogers DCHECK(!it.HasNext()); 161120cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom } 1612d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1613fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers if (requires_constructor_barrier) { 1614be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers manager->GetCompiler()->AddRequiresConstructorBarrier(self, &dex_file, class_def_index); 1615fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers } 1616d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1617d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1618219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1619b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 1620d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes // Class derived values are more complicated, they require the linker and loader. 162100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1622219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1623219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1624eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(soa.Self()); 1625eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1626eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1627eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()))); 16282dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 162900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 163035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass == nullptr) { 163100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers CHECK(soa.Self()->IsExceptionPending()); 163235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe mirror::Throwable* exception = soa.Self()->GetException(nullptr); 1633a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); 1634f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) { 1635a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers // There's little point continuing compilation if the heap is exhausted. 1636a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers LOG(FATAL) << "Out of memory during type resolution for compilation"; 1637a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers } 1638a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers soa.Self()->ClearException(); 1639d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1640d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1641d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 16421212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 16430171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 16443d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1645d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1646d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 164700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: we could resolve strings here, although the string table is largely filled with class 164800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // and method names. 1649d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 16500171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 16510171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 1652e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 1653e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // For images we resolve all types, such as array, whereas for applications just those with 1654e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // classdefs are resolved by ResolveClassFieldsAndMethods. 1655f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Resolve Types", timings); 1656e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1657e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1658d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1659f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Resolve MethodsAndFields", timings); 16600e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 16619ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 16629ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 166335439baf287b291b67ee406308e17fc6194facbfAndreas Gampevoid CompilerDriver::SetVerified(jobject class_loader, const std::vector<const DexFile*>& dex_files, 166435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ThreadPool* thread_pool, TimingLogger* timings) { 166535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe for (size_t i = 0; i != dex_files.size(); ++i) { 166635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const DexFile* dex_file = dex_files[i]; 166735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 166835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe SetVerifiedDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 166935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 167035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe} 167135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 16721212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 16733d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1674ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1675ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 167635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 16770171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe VerifyDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 167898eacac683b78e60799323e8c7d59e7214808639jeffhao } 167998eacac683b78e60799323e8c7d59e7214808639jeffhao} 168098eacac683b78e60799323e8c7d59e7214808639jeffhao 1681219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1682b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 168367f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 168400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 16850e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 16860e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 16870e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 16880e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao ClassLinker* class_linker = manager->GetClassLinker(); 16890e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 1690eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1691eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1692eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1693eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 1694eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 1695eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() == nullptr) { 1696e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 169762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 1698f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao 1699f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao /* 1700f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * At compile time, we can still structurally verify the class even if FindClass fails. 1701f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * This is to ensure the class is structurally sound for compilation. An unsound class 1702f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * will be rejected by the verifier and later skipped during compilation in the compiler. 1703f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao */ 1704eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1705f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao std::string error_msg; 1706590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (verifier::MethodVerifier::VerifyClass(&dex_file, dex_cache, class_loader, &class_def, true, 1707590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier &error_msg) == 170800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers verifier::MethodVerifier::kHardFailure) { 17090e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) 1710f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao << " because: " << error_msg; 1711f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao } 1712eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier } else if (!SkipClass(jclass_loader, dex_file, klass.Get())) { 1713eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier CHECK(klass->IsResolved()) << PrettyClass(klass.Get()); 17140e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao class_linker->VerifyClass(klass); 1715d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1716e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (klass->IsErroneous()) { 1717e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1718e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1719e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1720e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 172167f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 1722e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1723eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier << PrettyDescriptor(klass.Get()) << ": state=" << klass->GetStatus(); 1724e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 172562d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->AssertNoPendingException(); 1726d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1727d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 17281212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 17290171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 17303d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1731f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Verify Dex File", timings); 1732731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 17330171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 17340171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 17350e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1736a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom} 1737a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom 173835439baf287b291b67ee406308e17fc6194facbfAndreas Gampestatic void SetVerifiedClass(const ParallelCompilationManager* manager, size_t class_def_index) 173935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe LOCKS_EXCLUDED(Locks::mutator_lock_) { 174035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ATRACE_CALL(); 174135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ScopedObjectAccess soa(Thread::Current()); 174235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const DexFile& dex_file = *manager->GetDexFile(); 174335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 174435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const char* descriptor = dex_file.GetClassDescriptor(class_def); 174535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ClassLinker* class_linker = manager->GetClassLinker(); 174635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe jobject jclass_loader = manager->GetClassLoader(); 174735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe StackHandleScope<3> hs(soa.Self()); 174835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe Handle<mirror::ClassLoader> class_loader( 174935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 175035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe Handle<mirror::Class> klass( 175135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 175235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // Class might have failed resolution. Then don't set it to verified. 175335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass.Get() != nullptr) { 175435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // Only do this if the class is resolved. If even resolution fails, quickening will go very, 175535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // very wrong. 175635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass->IsResolved()) { 175735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (klass->GetStatus() < mirror::Class::kStatusVerified) { 175835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ObjectLock<mirror::Class> lock(soa.Self(), klass); 175935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe klass->SetStatus(mirror::Class::kStatusVerified, soa.Self()); 176035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 176135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // Record the final class status if necessary. 176235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ClassReference ref(manager->GetDexFile(), class_def_index); 176335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 176435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 1765ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe } else { 1766ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe Thread* self = soa.Self(); 1767ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe DCHECK(self->IsExceptionPending()); 1768ba354a97a9742774f57bad7f96ccae2dbbd59f75Andreas Gampe self->ClearException(); 176935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe } 177035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe} 177135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 177235439baf287b291b67ee406308e17fc6194facbfAndreas Gampevoid CompilerDriver::SetVerifiedDexFile(jobject class_loader, const DexFile& dex_file, 177335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe const std::vector<const DexFile*>& dex_files, 177435439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ThreadPool* thread_pool, TimingLogger* timings) { 177535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe TimingLogger::ScopedTiming t("Verify Dex File", timings); 177635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 177735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 177835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe thread_pool); 177935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe context.ForAll(0, dex_file.NumClassDefs(), SetVerifiedClass, thread_count_); 178035439baf287b291b67ee406308e17fc6194facbfAndreas Gampe} 178135439baf287b291b67ee406308e17fc6194facbfAndreas Gampe 1782219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 17833d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 17848f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 17850e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 17860e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 17870e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1788bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); 1789bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); 1790fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers 179100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1792eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1793eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1794eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1795eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 1796eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(manager->GetClassLinker()->FindClass(soa.Self(), descriptor, class_loader))); 17970e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 1798eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() != nullptr && !SkipClass(jclass_loader, dex_file, klass.Get())) { 179964b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers // Only try to initialize classes that were successfully verified. 18003d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers if (klass->IsVerified()) { 18018f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize the class but bail if we either need to initialize the super-class 18028f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // or static fields. 18038f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, false); 180464b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers if (!klass->IsInitialized()) { 18058f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We don't want non-trivial class initialization occurring on multiple threads due to 18068f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // deadlock problems. For example, a parent class is initialized (holding its lock) that 18078f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // refers to a sub-class in its static/class initializer causing it to try to acquire the 18088f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) 18098f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // after first initializing its parents, whose locks are acquired. This leads to a 18108f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. 18118f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 18128f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // than use a special Object for the purpose we use the Class of java.lang.Class. 1813eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> h_klass(hs.NewHandle(klass->GetClass())); 1814db2633ce0358c704f97130a94b582602cb01d14aMathieu Chartier ObjectLock<mirror::Class> lock(soa.Self(), h_klass); 18158f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize allowing initialization of parent classes but still not static 18168f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // fields. 18178f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, true); 18188f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (!klass->IsInitialized()) { 18198f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to initialize static fields, we only do this for image classes that aren't 1820d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // marked with the $NoPreloadHolder (which implies this should not be initialized early). 18218f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers bool can_init_static_fields = manager->GetCompiler()->IsImage() && 1822d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz manager->GetCompiler()->IsImageClass(descriptor) && 1823d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 18248f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (can_init_static_fields) { 1825d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz VLOG(compiler) << "Initializing: " << descriptor; 1826c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // TODO multithreading support. We should ensure the current compilation thread has 1827c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // exclusive access to the runtime and the transaction. To achieve this, we could use 1828c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity 1829c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // checks in Thread::AssertThreadSuspensionIsAllowable. 1830c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers Runtime* const runtime = Runtime::Current(); 1831c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers Transaction transaction; 1832c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers 1833c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // Run the class initializer in transaction mode. 1834c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers runtime->EnterTransactionMode(&transaction); 1835c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers const mirror::Class::Status old_status = klass->GetStatus(); 1836c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers bool success = manager->GetClassLinker()->EnsureInitialized(klass, true, true); 1837c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // TODO we detach transaction from runtime to indicate we quit the transactional 1838c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // mode which prevents the GC from visiting objects modified during the transaction. 1839c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // Ensure GC is not run so don't access freed objects when aborting transaction. 1840c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers const char* old_casue = soa.Self()->StartAssertNoThreadSuspension("Transaction end"); 1841c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers runtime->ExitTransactionMode(); 1842c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers 1843c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers if (!success) { 1844c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers CHECK(soa.Self()->IsExceptionPending()); 1845c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers ThrowLocation throw_location; 1846c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(&throw_location); 1847c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " 1848c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers << exception->Dump(); 1849c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers soa.Self()->ClearException(); 1850c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers transaction.Abort(); 1851c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; 185264b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 1853c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers soa.Self()->EndAssertNoThreadSuspension(old_casue); 185464b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 185564b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 18568f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers soa.Self()->AssertNoPendingException(); 185764b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 185827ec961a1da540ba7f16c07a682585ab167317adBrian Carlstrom } 18593d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers // Record the final class status if necessary. 186051c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom ClassReference ref(manager->GetDexFile(), class_def_index); 18618f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 186298eacac683b78e60799323e8c7d59e7214808639jeffhao } 18631f5393447b9f45be7918042d9ee7b521376de866Ian Rogers // Clear any class not found or verification exceptions. 186462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 186598eacac683b78e60799323e8c7d59e7214808639jeffhao} 186698eacac683b78e60799323e8c7d59e7214808639jeffhao 18671212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 18680171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 18693d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1870f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("InitializeNoClinit", timings); 18713d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 18720171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, dex_files, 18730171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 1874d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz size_t thread_count; 1875d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (IsImage()) { 1876d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO: remove this when transactional mode supports multithreading. 1877d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = 1U; 1878d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } else { 1879d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = thread_count_; 1880d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } 1881d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count); 18823d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers} 188390dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 18841212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject class_loader, 18851212a022fa5f8ef9585d765b1809521812af882cIan Rogers const std::vector<const DexFile*>& dex_files, 18863d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 18873d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers for (size_t i = 0; i != dex_files.size(); ++i) { 18883d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers const DexFile* dex_file = dex_files[i]; 188935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 18900171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe InitializeClasses(class_loader, *dex_file, dex_files, thread_pool, timings); 189100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 1892a73a8b55415b544355438522524a640378698d85Mathieu Chartier if (IsImage()) { 1893a73a8b55415b544355438522524a640378698d85Mathieu Chartier // Prune garbage objects created during aborted transactions. 1894a73a8b55415b544355438522524a640378698d85Mathieu Chartier Runtime::Current()->GetHeap()->CollectGarbage(true); 1895a73a8b55415b544355438522524a640378698d85Mathieu Chartier } 189690dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao} 189790dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 18981212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 18993d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1900ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1901ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 190235439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(dex_file != nullptr); 19030171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe CompileDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 190483db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom } 190583db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom} 190683db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom 1907219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersvoid CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 190867f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 1909219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1910c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1911be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1912cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers jobject jclass_loader = manager->GetClassLoader(); 1913cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers { 1914cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers // Use a scoped object access to perform to the quick SkipClass check. 1915cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = dex_file.GetClassDescriptor(class_def); 1916cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers ScopedObjectAccess soa(Thread::Current()); 1917cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers StackHandleScope<3> hs(soa.Self()); 1918cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers Handle<mirror::ClassLoader> class_loader( 1919cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1920cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers Handle<mirror::Class> klass( 1921cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 1922cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (klass.Get() == nullptr) { 1923cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1924cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers soa.Self()->ClearException(); 1925cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } else if (SkipClass(jclass_loader, dex_file, klass.Get())) { 1926cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers return; 1927cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 19285ead0950c661761e90e04aefd6ea2205532ce874Brian Carlstrom } 1929d1224c79631bd1801b067a0f212b91afa961a362jeffhao ClassReference ref(&dex_file, class_def_index); 1930d1224c79631bd1801b067a0f212b91afa961a362jeffhao // Skip compiling classes with generic verifier failures since they will still fail at runtime 1931c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko if (manager->GetCompiler()->verification_results_->IsClassRejected(ref)) { 1932d1224c79631bd1801b067a0f212b91afa961a362jeffhao return; 1933d1224c79631bd1801b067a0f212b91afa961a362jeffhao } 19340571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers const byte* class_data = dex_file.GetClassData(class_def); 193535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (class_data == nullptr) { 19360571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // empty class, probably a marker interface 19370571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers return; 19380571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 193967f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 19402d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 194175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 19422d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 19432d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 1944eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 1945eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1946eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 19479837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(soa.Self(), class_loader, dex_file, 19489837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 19492d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 19500571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ClassDataItemIterator it(dex_file, class_data); 19510571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Skip fields 19520571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextStaticField()) { 19530571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19540571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 19550571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextInstanceField()) { 19560571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19570571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 1958be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers CompilerDriver* driver = manager->GetCompiler(); 19590571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile direct methods 196068adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_direct_method_idx = -1; 19610571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextDirectMethod()) { 19626f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 19636f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_direct_method_idx) { 19646f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 19656f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 19666f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 19676f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 19686f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 19696f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_direct_method_idx = method_idx; 19707fc8f90b7160e879143be5cfd6ea3df866398884Andreas Gampe driver->CompileMethod(it.GetMethodCodeItem(), it.GetMethodAccessFlags(), 1971be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1972be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 19730571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19749ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 19750571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile virtual methods 197668adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_virtual_method_idx = -1; 19770571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextVirtualMethod()) { 19786f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 19796f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_virtual_method_idx) { 19806f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 19816f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 19826f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 19836f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 19846f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 19856f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_virtual_method_idx = method_idx; 19867fc8f90b7160e879143be5cfd6ea3df866398884Andreas Gampe driver->CompileMethod(it.GetMethodCodeItem(), it.GetMethodAccessFlags(), 1987be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1988be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 19890571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19909ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 19910571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers DCHECK(!it.HasNext()); 19929ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 19939ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 19941212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 19950171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 19963d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1997f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Compile Dex File", timings); 1998be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, 19990171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe &dex_file, dex_files, thread_pool); 20001212a022fa5f8ef9585d765b1809521812af882cIan Rogers context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 2001c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes} 2002c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes 20031212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 20048b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType invoke_type, uint16_t class_def_idx, 20051212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t method_idx, jobject class_loader, 20062d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile& dex_file, 200775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level) { 200835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CompiledMethod* compiled_method = nullptr; 2009b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier uint64_t start_ns = kTimeCompileMethod ? NanoTime() : 0; 20104dd96f56909ec35c83a3d468b0e47769988c1a1dLogan Chien 2011169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers if ((access_flags & kAccNative) != 0) { 20120188ab739c3ef8bcd521d88f84894db8c0f012c5Ian Rogers // Are we interpreting only and have support for generic JNI down calls? 20134a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsCompilationEnabled() && 2014b95a5345ae4217b70ca36f0cced92f68dda7caf5Stuart Monteith (instruction_set_ == kX86_64 || instruction_set_ == kArm64)) { 20155b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers // Leaving this empty will trigger the generic JNI version 20165b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } else { 201772d32629303f8f39362a4099481f48646aed042fIan Rogers compiled_method = compiler_->JniCompile(access_flags, method_idx, dex_file); 201835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(compiled_method != nullptr); 20195b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } 2020169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers } else if ((access_flags & kAccAbstract) != 0) { 20212cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } else { 202290af14d2743614e3e1453984b14258a6f145501dDragos Sbirlea MethodReference method_ref(&dex_file, method_idx); 20236449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom bool compile = verification_results_->IsCandidateForCompilation(method_ref, access_flags); 20244d4adb1dae07bb7421e863732ab789413a3b43f0Sebastien Hertz if (compile) { 202535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe // NOTE: if compiler declines to compile this method, it will return nullptr. 202672d32629303f8f39362a4099481f48646aed042fIan Rogers compiled_method = compiler_->Compile(code_item, access_flags, invoke_type, class_def_idx, 202772d32629303f8f39362a4099481f48646aed042fIan Rogers method_idx, class_loader, dex_file); 202817965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz } 202917965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz if (compiled_method == nullptr && dex_to_dex_compilation_level != kDontDexToDexCompile) { 203017965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz // TODO: add a command-line option to disable DEX-to-DEX compilation ? 203175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz (*dex_to_dex_compiler_)(*this, code_item, access_flags, 203275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz invoke_type, class_def_idx, 203375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz method_idx, class_loader, dex_file, 203475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compilation_level); 2035f3e9855ee2000106b54fd479f7a46da2dc2ad079Ian Rogers } 2036bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes } 2037b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier if (kTimeCompileMethod) { 2038b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier uint64_t duration_ns = NanoTime() - start_ns; 2039b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier if (duration_ns > MsToNs(compiler_->GetMaximumCompilationTimeBeforeWarning())) { 2040b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 2041b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier << " took " << PrettyDuration(duration_ns); 2042b68c6e578a28a9717d78dfd522d9d9b8befaedf2Mathieu Chartier } 2043f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes } 2044f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes 204550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 204635439baf287b291b67ee406308e17fc6194facbfAndreas Gampe if (compiled_method != nullptr) { 20470571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodReference ref(&dex_file, method_idx); 204835439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(GetCompiledMethod(ref) == nullptr) << PrettyMethod(method_idx, dex_file); 204900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 205050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 205100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers compiled_methods_.Put(ref, compiled_method); 205200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 205335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe DCHECK(GetCompiledMethod(ref) != nullptr) << PrettyMethod(method_idx, dex_file); 20542cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } 20559baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom 205650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->IsExceptionPending()) { 205750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 205800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 205935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe << self->GetException(nullptr)->Dump(); 206000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 20610571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers} 206228ad40dc3ec2f09b0ffd4f6d6787bf1b532ccd5dIan Rogers 20631212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 206450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 20650755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom ClassTable::const_iterator it = compiled_classes_.find(ref); 20660755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom if (it == compiled_classes_.end()) { 206735439baf287b291b67ee406308e17fc6194facbfAndreas Gampe return nullptr; 20680755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom } 206935439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(it->second != nullptr); 20700755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return it->second; 20710755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom} 20720755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 20738f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogersvoid CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { 20748f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 20758f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers auto it = compiled_classes_.find(ref); 20768f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it == compiled_classes_.end() || it->second->GetStatus() != status) { 20778f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // An entry doesn't exist or the status is lower than the new status. 20788f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it != compiled_classes_.end()) { 20798f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CHECK_GT(status, it->second->GetStatus()); 20808f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers delete it->second; 20818f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 20828f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers switch (status) { 20838f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusNotReady: 20848f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusError: 20858f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusRetryVerificationAtRuntime: 20868f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusVerified: 20878f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusInitialized: 20888f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers break; // Expected states. 20898f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers default: 20908f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers LOG(FATAL) << "Unexpected class status for class " 20918f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) 20928f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << " of " << status; 20938f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 20948f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CompiledClass* compiled_class = new CompiledClass(status); 20958f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers compiled_classes_.Overwrite(ref, compiled_class); 20968f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 20978f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers} 20988f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers 20991212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 210050b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 21010571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodTable::const_iterator it = compiled_methods_.find(ref); 21020571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (it == compiled_methods_.end()) { 210335439baf287b291b67ee406308e17fc6194facbfAndreas Gampe return nullptr; 21042c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers } 210535439baf287b291b67ee406308e17fc6194facbfAndreas Gampe CHECK(it->second != nullptr); 21063320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return it->second; 21079ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 21089ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 21091212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 21108b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 21118f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers WriterMutexLock mu(self, freezing_constructor_lock_); 2112fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2113fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 2114fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 21151212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 21168b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 21178f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ReaderMutexLock mu(self, freezing_constructor_lock_); 2118fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2119fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 2120fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 21213f47c12487250f61f3be95e9f275e3b08e2c49fbBrian Carlstrombool CompilerDriver::WriteElf(const std::string& android_root, 2122265091e581c9f643b37e7966890911f09e223269Brian Carlstrom bool is_host, 212351c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const std::vector<const art::DexFile*>& dex_files, 21243d504075f7c1204d581923460754bf6d3714b13fIan Rogers OatWriter* oat_writer, 212551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::File* file) 212651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 212772d32629303f8f39362a4099481f48646aed042fIan Rogers return compiler_->WriteElf(file, oat_writer, dex_files, android_root, is_host); 2128265091e581c9f643b37e7966890911f09e223269Brian Carlstrom} 21291212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 21303d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_triple, 21313d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_cpu, 21323d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_attr) { 2133265091e581c9f643b37e7966890911f09e223269Brian Carlstrom switch (instruction_set) { 2134700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kThumb2: 21353d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "thumb-none-linux-gnueabi"; 21363d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 21373d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2138700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2139700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2140700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kArm: 21413d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "armv7-none-linux-gnueabi"; 2142700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Nexus S. 21433d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 2144700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Xoom. 21453d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2146700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2147700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2148700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kX86: 21493d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "i386-pc-linux-gnu"; 21503d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = ""; 2151700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2152700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 21536a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko case kX86_64: 21546a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_triple = "x86_64-pc-linux-gnu"; 21556a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_attr = ""; 21566a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko break; 21576a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko 2158700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kMips: 21593d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "mipsel-unknown-linux"; 21603d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "mips32r2"; 2161700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2162700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2163700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom default: 2164700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2165700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 2166700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 216739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 216839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allisonbool CompilerDriver::SkipCompilation(const std::string& method_name) { 2169c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (!profile_present_) { 2170644789fa0e807a9aa6d6e32d36ce039ec7318a7fDave Allison return false; 217139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2172bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle // First find the method in the profile file. 2173bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle ProfileFile::ProfileData data; 2174bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle if (!profile_file_.GetProfileData(&data, method_name)) { 217539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Not in profile, no information can be determined. 217608f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (kIsDebugBuild) { 217708f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle VLOG(compiler) << "not compiling " << method_name << " because it's not in the profile"; 217808f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } 217939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return true; 218039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2181bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle 2182bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle // Methods that comprise top_k_threshold % of the total samples will be compiled. 2183f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Compare against the start of the topK percentage bucket just in case the threshold 218404ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle // falls inside a bucket. 2185c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle bool compile = data.GetTopKUsedPercentage() - data.GetUsedPercent() 2186c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle <= compiler_options_->GetTopKProfileThreshold(); 218708f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (kIsDebugBuild) { 218808f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (compile) { 218908f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle LOG(INFO) << "compiling method " << method_name << " because its usage is part of top " 219008f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << data.GetTopKUsedPercentage() << "% with a percent of " << data.GetUsedPercent() << "%" 219108f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << " (topKThreshold=" << compiler_options_->GetTopKProfileThreshold() << ")"; 219208f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } else { 219308f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle VLOG(compiler) << "not compiling method " << method_name 219408f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << " because it's not part of leading " << compiler_options_->GetTopKProfileThreshold() 219508f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << "% samples)"; 219608f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } 219739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 219839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return !compile; 219939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison} 22009ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} // namespace art 2201