compiler_driver.cc revision a73a8b55415b544355438522524a640378698d85
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 64996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic double Percentage(size_t x, size_t y) { 65398f64b5805246765b699839b439e18c0dfbf2eeElliott Hughes return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); 66996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 67996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 68996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic void DumpStat(size_t x, size_t y, const char* str) { 69996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (x == 0 && y == 0) { 70996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return; 71996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 72e732ef1c0192acd71925bd0ff1ab09640d45531dIan Rogers LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; 73996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 74996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 75f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markoclass CompilerDriver::AOTCompilationStats { 76c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers public: 77ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers AOTCompilationStats() 78ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers : stats_lock_("AOT compilation statistics lock"), 79ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers types_in_dex_cache_(0), types_not_in_dex_cache_(0), 80ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), 81ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_types_(0), unresolved_types_(0), 82ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_instance_fields_(0), unresolved_instance_fields_(0), 8302c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), 84fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_(0), 85fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_(0), not_safe_casts_(0) { 862ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 87c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[i] = 0; 88c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[i] = 0; 892ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[i] = 0; 902ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[i] = 0; 912ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[i] = 0; 92b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes } 93c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 94c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 95c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void Dump() { 96c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); 97c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); 98c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_types_, unresolved_types_, "types resolved"); 99c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); 100c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, 101c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields resolved"); 102c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, 103c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields local to a class"); 104fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); 105fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // Note, the code below subtracts the stat value so that when added to the stat value we have 106fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // 100% of samples. TODO: clean this up. 107fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(type_based_devirtualization_, 108fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + 109fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kInterface] + unresolved_methods_[kInterface] - 110fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_, 111fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers "virtual/interface calls made direct based on type information"); 112c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 1132ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 114c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers std::ostringstream oss; 1152ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; 116c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); 1172ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (virtual_made_direct_[i] > 0) { 1182ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1192ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " methods made direct"; 1202ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(virtual_made_direct_[i], 1212ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], 1222ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1232ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1242ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_calls_to_boot_[i] > 0) { 1252ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1262ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; 1272ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_calls_to_boot_[i], 1282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], 1292ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_methods_to_boot_[i] > 0) { 1322ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; 1342ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_methods_to_boot_[i], 1352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], 1362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 138c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 139c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 140996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 14150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers// Allow lossy statistics in non-debug builds. 142996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#ifndef NDEBUG 14350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) 144996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#else 145996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#define STATS_LOCK() 146996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#endif 147996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 148c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeInDexCache() { 149c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 150c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_in_dex_cache_++; 151c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 152996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 153c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNotInDexCache() { 154c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 155c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_not_in_dex_cache_++; 156c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 157996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 158c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringInDexCache() { 159c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 160c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_in_dex_cache_++; 161c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 162996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 163c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringNotInDexCache() { 164c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 165c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_not_in_dex_cache_++; 166c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 167996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 168c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeDoesntNeedAccessCheck() { 169c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 170c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_types_++; 171c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 172996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 173c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNeedsAccessCheck() { 174c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 175c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_types_++; 176c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 177996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 178c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedInstanceField() { 179c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 180c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_instance_fields_++; 181c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 182996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 183b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes void UnresolvedInstanceField() { 184c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 185c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_instance_fields_++; 186c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 187996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 188c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedLocalStaticField() { 189c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 190c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_local_static_fields_++; 191c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 192996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 193c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedStaticField() { 194c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 195c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_static_fields_++; 196c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 197996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 198c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedStaticField() { 199c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 200c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_static_fields_++; 201c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 202996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 203e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that type information from the verifier led to devirtualization. 20402c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal void PreciseTypeDevirtualization() { 20502c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal STATS_LOCK(); 20602c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal type_based_devirtualization_++; 20702c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal } 208e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers 209e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was resolved at compile time. 210c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedMethod(InvokeType type) { 211c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 212c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 213c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[type]++; 214996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 215996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 216e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was unresolved at compile time as it was in an 217e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // unknown dex file. 218c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedMethod(InvokeType type) { 219c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 220c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 221c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[type]++; 222996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 223c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 224e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a type of virtual method dispatch has been converted into a direct method 225e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // dispatch. 2262ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void VirtualMadeDirect(InvokeType type) { 227e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers DCHECK(type == kVirtual || type == kInterface || type == kSuper); 2282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2292ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[type]++; 2302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 232e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to call directly into boot. 2332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectCallsToBoot(InvokeType type) { 2342ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 2352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[type]++; 2372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 239e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to be resolved directly from boot. 2402ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectMethodsToBoot(InvokeType type) { 2412ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 242fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers STATS_LOCK(); 2432ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[type]++; 244fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers } 2452ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 246f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko void ProcessedInvoke(InvokeType type, int flags) { 247f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko STATS_LOCK(); 248f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (flags == 0) { 249f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko unresolved_methods_[type]++; 250f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 251f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_NE((flags & kFlagMethodResolved), 0); 252f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_methods_[type]++; 253f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagVirtualMadeDirect) != 0) { 254f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko virtual_made_direct_[type]++; 255f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagPreciseTypeDevirtualization) != 0) { 256f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko type_based_devirtualization_++; 257f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 258f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 259f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_EQ((flags & kFlagPreciseTypeDevirtualization), 0); 260f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 261f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectCallToBoot) != 0) { 262f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_calls_to_boot_[type]++; 263f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 264f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectMethodToBoot) != 0) { 265f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_methods_to_boot_[type]++; 266f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 267f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 268f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 269f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 270fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast could be eliminated due to verifier type analysis. 271fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void SafeCast() { 272fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 273fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_++; 274fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 275fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 276fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast couldn't be eliminated due to verifier type analysis. 277fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void NotASafeCast() { 278fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 279fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers not_safe_casts_++; 280fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 281fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 282c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers private: 283c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers Mutex stats_lock_; 284c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 285c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_in_dex_cache_; 286c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_not_in_dex_cache_; 287c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 288c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_in_dex_cache_; 289c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_not_in_dex_cache_; 290c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 291c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_types_; 292c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_types_; 293c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 294c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_instance_fields_; 295c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_instance_fields_; 296c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 297c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_local_static_fields_; 298c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_static_fields_; 299c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_static_fields_; 30002c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal // Type based devirtualization for invoke interface and virtual. 30102c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal size_t type_based_devirtualization_; 302c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 303c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_methods_[kMaxInvokeType + 1]; 304c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_methods_[kMaxInvokeType + 1]; 3052ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t virtual_made_direct_[kMaxInvokeType + 1]; 3062ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_calls_to_boot_[kMaxInvokeType + 1]; 3072ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_methods_to_boot_[kMaxInvokeType + 1]; 308c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 309fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t safe_casts_; 310fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t not_safe_casts_; 311fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 312b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); 313c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers}; 314996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 31551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 31651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstromextern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, 31751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile::CodeItem* code_item, 31851c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t access_flags, 31951c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::InvokeType invoke_type, 3208b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx, 32151c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t method_idx, 32251c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom jobject class_loader, 32351c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile& dex_file); 32451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 3256449c62e40ef3a9bb75f664f922555affb532ee4Brian CarlstromCompilerDriver::CompilerDriver(const CompilerOptions* compiler_options, 3266449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom VerificationResults* verification_results, 3275816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko DexFileToMethodInlinerMap* method_inliner_map, 328b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray Compiler::Kind compiler_kind, 329f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray InstructionSet instruction_set, 3307020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison InstructionSetFeatures instruction_set_features, 331cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers bool image, std::set<std::string>* image_classes, size_t thread_count, 33239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison bool dump_stats, bool dump_passes, CumulativeLogger* timer, 33339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::string profile_file) 334c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle : profile_present_(false), compiler_options_(compiler_options), 3356449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom verification_results_(verification_results), 3365816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko method_inliner_map_(method_inliner_map), 33772d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_(Compiler::Create(this, compiler_kind)), 338c531cefbfb5394413122e9f57d211ba436cff012buzbee instruction_set_(instruction_set), 3397020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison instruction_set_features_(instruction_set_features), 340fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_lock_("freezing constructor lock"), 341c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_classes_lock_("compiled classes lock"), 342c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_methods_lock_("compiled method lock"), 343aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom image_(image), 34496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes_(image_classes), 3455523ee070b005576c6f889415205d49ea77cf243Elliott Hughes thread_count_(thread_count), 34600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers start_ns_(0), 347c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_(new AOTCompilationStats), 348ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom dump_stats_(dump_stats), 349ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray dump_passes_(dump_passes), 350ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray timings_logger_(timer), 351b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes compiler_library_(NULL), 3526f4976c1a9fdaf108974143cd11e6b46037fd24eElliott Hughes compiler_context_(NULL), 353e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers compiler_enable_auto_elf_loading_(NULL), 35496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom compiler_get_method_code_addr_(NULL), 35555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell support_boot_image_fixup_(instruction_set != kMips), 356ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell cfi_info_(nullptr), 357d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_code_("dedupe code"), 358d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_mapping_table_("dedupe mapping table"), 359d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_vmap_table_("dedupe vmap table"), 360ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_gc_map_("dedupe gc map"), 361ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_cfi_info_("dedupe cfi info") { 3626449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(compiler_options_ != nullptr); 3636449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(verification_results_ != nullptr); 3646449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(method_inliner_map_ != nullptr); 3652ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom 3664df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); 3674df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 36875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); 3692d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 37072d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_->Init(); 37100bc1dc4f81268d78d7dfeb298b85c56876425a9Brian Carlstrom 37225c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom CHECK(!Runtime::Current()->IsStarted()); 373d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root if (image_) { 374d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() != nullptr); 375d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root } else { 376d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() == nullptr); 377ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 378ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 379ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell // Are we generating CFI information? 380ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (compiler_options->GetGenerateGDBInformation()) { 381b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray cfi_info_.reset(compiler_->GetCallFrameInformationInitialization(*this)); 382ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 383c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle 384c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle // Read the profile file if one is provided. 385c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (!profile_file.empty()) { 386c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle profile_present_ = profile_file_.LoadFile(profile_file); 387c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (profile_present_) { 388c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle LOG(INFO) << "Using profile data form file " << profile_file; 389c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } else { 390c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle LOG(INFO) << "Failed to load profile file " << profile_file; 391c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } 392c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle } 393c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao} 394c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao 395193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateCode(const std::vector<uint8_t>& code) { 396193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_code_.Add(Thread::Current(), code); 397193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 398193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 399193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateMappingTable(const std::vector<uint8_t>& code) { 400193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_mapping_table_.Add(Thread::Current(), code); 401193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 402193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 403193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateVMapTable(const std::vector<uint8_t>& code) { 404193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_vmap_table_.Add(Thread::Current(), code); 405193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 406193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 407193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateGCMap(const std::vector<uint8_t>& code) { 408193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_gc_map_.Add(Thread::Current(), code); 409193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 410193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 411ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendellstd::vector<uint8_t>* CompilerDriver::DeduplicateCFIInfo(const std::vector<uint8_t>* cfi_info) { 412ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (cfi_info == nullptr) { 413ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return nullptr; 414ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 415ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return dedupe_cfi_info_.Add(Thread::Current(), *cfi_info); 416ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell} 417ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 4181212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerDriver::~CompilerDriver() { 41950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 420c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_classes_lock_); 422c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_classes_); 423c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 424c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 426c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_methods_); 427c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 428c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 430f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&code_to_patch_); 431f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 432f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom { 43350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 434f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&methods_to_patch_); 435f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 436be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi { 437be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(self, compiled_methods_lock_); 438be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi STLDeleteElements(&classes_to_patch_); 439be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 440ed6d5ed3494648780b9e91422c90d6bc22c16b79Mathieu Chartier CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); 44172d32629303f8f39362a4099481f48646aed042fIan Rogers compiler_->UnInit(); 4423320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom} 4433320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 4441212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerTls* CompilerDriver::GetTls() { 4454df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee // Lazily create thread-local storage 4464df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); 4474df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee if (res == NULL) { 4484df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee res = new CompilerTls(); 4494df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); 4504df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee } 4514df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee return res; 4524df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee} 4534df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 454dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers#define CREATE_TRAMPOLINE(type, abi, offset) \ 455af13ad9fd18b6f75fe82e7995224c55654594f93Andreas Gampe if (Is64BitInstructionSet(instruction_set_)) { \ 456dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers return CreateTrampoline64(instruction_set_, abi, \ 457dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers type ## _ENTRYPOINT_OFFSET(8, offset)); \ 458dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } else { \ 459dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers return CreateTrampoline32(instruction_set_, abi, \ 460dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers type ## _ENTRYPOINT_OFFSET(4, offset)); \ 461dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } 462dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers 463848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterBridge() const { 464dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(INTERPRETER, kInterpreterAbi, pInterpreterToInterpreterBridge) 465848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 466848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 467848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToCompiledCodeBridge() const { 468dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(INTERPRETER, kInterpreterAbi, pInterpreterToCompiledCodeBridge) 469848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 470848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 471848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateJniDlsymLookup() const { 472dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(JNI, kJniAbi, pDlsymLookup) 473848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 474848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 47588474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableImtConflictTrampoline() const { 476dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableImtConflictTrampoline) 47788474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 47888474b416eb257078e590bf9bc7957cee604a186Jeff Hao 4790aba0ba155bef7346bde19e53581200b89ae8a7aJeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { 480dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableResolutionTrampoline) 4810aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4820aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 483848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreatePortableToInterpreterBridge() const { 484dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableToInterpreterBridge) 4850aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4860aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 4872da882315a61072664f7ce3c212307342e907207Andreas Gampeconst std::vector<uint8_t>* CompilerDriver::CreateQuickGenericJniTrampoline() const { 488dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickGenericJniTrampoline) 4892da882315a61072664f7ce3c212307342e907207Andreas Gampe} 4902da882315a61072664f7ce3c212307342e907207Andreas Gampe 49188474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreateQuickImtConflictTrampoline() const { 492dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickImtConflictTrampoline) 49388474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 49488474b416eb257078e590bf9bc7957cee604a186Jeff Hao 495848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 496dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickResolutionTrampoline) 4970aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4980aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 499848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickToInterpreterBridge() const { 500dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickToInterpreterBridge) 5010aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 502dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers#undef CREATE_TRAMPOLINE 5030aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 5041212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileAll(jobject class_loader, 5054560248d4c85cade7f4fc7b30c3fb41b95a04a7fBrian Carlstrom const std::vector<const DexFile*>& dex_files, 5063d504075f7c1204d581923460754bf6d3714b13fIan Rogers TimingLogger* timings) { 50725c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 508700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::unique_ptr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", thread_count_ - 1)); 5093d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(class_loader, dex_files, thread_pool.get(), timings); 5103d504075f7c1204d581923460754bf6d3714b13fIan Rogers Compile(class_loader, dex_files, thread_pool.get(), timings); 511ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom if (dump_stats_) { 512ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom stats_->Dump(); 513ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom } 5148a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom} 5158a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 516590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierstatic DexToDexCompilationLevel GetDexToDexCompilationlevel( 5170cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier Thread* self, Handle<mirror::ClassLoader> class_loader, const DexFile& dex_file, 518590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const DexFile::ClassDef& class_def) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 5192d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const char* descriptor = dex_file.GetClassDescriptor(class_def); 5202d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 5219837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); 5222d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz if (klass == NULL) { 5232d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz CHECK(self->IsExceptionPending()); 5242d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->ClearException(); 52575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 52675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } 52775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // The verifier can only run on "quick" instructions at runtime (see usage of 52875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // FindAccessedFieldAtDexPc and FindInvokedMethodAtDexPc in ThrowNullPointerExceptionFromDexPC 52975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // function). Since image classes can be verified again while compiling an application, 53075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // we must prevent the DEX-to-DEX compiler from introducing them. 53175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // TODO: find a way to enable "quick" instructions for image classes and remove this check. 532eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier bool compiling_image_classes = class_loader.Get() == nullptr; 53375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz if (compiling_image_classes) { 53475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kRequired; 53575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else 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 6084a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsVerificationEnabled()) { 6094a200f56b7075309316b04d550c9cc50f8314eddJeff Hao VLOG(compiler) << "Verify none mode specified, skipping pre-compilation"; 6104a200f56b7075309316b04d550c9cc50f8314eddJeff Hao return; 6114a200f56b7075309316b04d550c9cc50f8314eddJeff Hao } 6124a200f56b7075309316b04d550c9cc50f8314eddJeff Hao 6132f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Resolve(class_loader, dex_files, thread_pool, timings); 614601a12302407d8199503d2cc6cc0829d5996696dElliott Hughes 6152f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Verify(class_loader, dex_files, thread_pool, timings); 616ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 6172f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom InitializeClasses(class_loader, dex_files, thread_pool, timings); 61896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 61996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom UpdateImageClasses(timings); 620ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 621ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 622dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogersbool CompilerDriver::IsImageClass(const char* descriptor) const { 623e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 62496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 625e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 626dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers return image_classes_->find(descriptor) != image_classes_->end(); 627ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 628ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 629ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 63096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic void ResolveExceptionsForMethod(MethodHelper* mh, 631700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>>& exceptions_to_resolve) 63296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 633bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier const DexFile::CodeItem* code_item = mh->GetMethod()->GetCodeItem(); 63496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item == NULL) { 63596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // native or abstract method 63696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 63796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item->tries_size_ == 0) { 63896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // nothing to process 63996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 64096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 64196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 64296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 64396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 64496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom bool has_catch_all = false; 64596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (encoded_catch_handler_size <= 0) { 64696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom encoded_catch_handler_size = -encoded_catch_handler_size; 64796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom has_catch_all = true; 64896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 64996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 65096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom uint16_t encoded_catch_handler_handlers_type_idx = 65196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 65296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Add to set of types to resolve if not already in the dex cache resolved types 653bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier if (!mh->GetMethod()->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 65496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom exceptions_to_resolve.insert( 65596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 656bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh->GetMethod()->GetDexFile())); 65796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore address associated with catch handler 65996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 66096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (has_catch_all) { 66296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore catch all address 66396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 66496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 66796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 66896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 66996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 670700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>>* exceptions_to_resolve = 671700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*>>*>(arg); 672bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<1> hs(Thread::Current()); 673bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle<mirror::ArtMethod>(nullptr)); 67496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 675bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh.ChangeMethod(c->GetVirtualMethod(i)); 67696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 67796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 67896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 679bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier mh.ChangeMethod(c->GetDirectMethod(i)); 68096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 68196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 68296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 68396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 68496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 68596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 68696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 687cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::set<std::string>* image_classes = reinterpret_cast<std::set<std::string>*>(arg); 688cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 689cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers image_classes->insert(klass->GetDescriptor(&temp)); 69096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 69196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 69296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 69396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom// Make a list of descriptors for classes to include in the image 6943d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::LoadImageClasses(TimingLogger* timings) 69596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOCKS_EXCLUDED(Locks::mutator_lock_) { 696d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(timings != nullptr); 697e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 69896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; 69996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 70096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 701f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("LoadImageClasses", timings); 70296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Make a first class to load all classes explicitly listed in the file 70396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom Thread* self = Thread::Current(); 70496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ScopedObjectAccess soa(self); 70596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 706d5185344e19d9feb7ac268369e0af6a467d1cb48Kenny Root CHECK(image_classes_.get() != nullptr); 70702e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 708e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko const std::string& descriptor(*it); 709eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(self); 710eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 711eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindSystemClass(self, descriptor.c_str()))); 712eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() == NULL) { 713e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers VLOG(compiler) << "Failed to find class " << descriptor; 714e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko image_classes_->erase(it++); 715a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers self->ClearException(); 71696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } else { 71796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ++it; 71896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 71996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 72096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 72196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolve exception classes referenced by the loaded classes. The catch logic assumes 72296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // exceptions are resolved by the verifier when there is a catch block in an interested method. 72396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Do this here so that exception classes appear to have been specified image classes. 724700a402244a1a423da4f3ba8032459f4b65fa18fIan Rogers std::set<std::pair<uint16_t, const DexFile*>> unresolved_exception_types; 725eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(self); 726eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> java_lang_Throwable( 727eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindSystemClass(self, "Ljava/lang/Throwable;"))); 72896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom do { 72996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom unresolved_exception_types.clear(); 73096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 73196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom &unresolved_exception_types); 73202e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { 73302e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier uint16_t exception_type_idx = exception_type.first; 73402e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const DexFile* dex_file = exception_type.second; 7350cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier StackHandleScope<2> hs(self); 736eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(*dex_file))); 737eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass(hs.NewHandle( 7380cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier class_linker->ResolveType(*dex_file, exception_type_idx, dex_cache, 7390cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier NullHandle<mirror::ClassLoader>()))); 740eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() == NULL) { 74196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 74296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const char* descriptor = dex_file->GetTypeDescriptor(type_id); 74396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOG(FATAL) << "Failed to resolve class " << descriptor; 74496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 745eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier DCHECK(java_lang_Throwable->IsAssignableFrom(klass.Get())); 74696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 74796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolving exceptions may load classes that reference more exceptions, iterate until no 74896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // more are found 74996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } while (!unresolved_exception_types.empty()); 75096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 75196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // We walk the roots looking for classes so that we'll pick up the 75296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // above classes plus any classes them depend on such super 75396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // classes, interfaces, and the required ClassLinker roots. 75496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 75596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 75696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CHECK_NE(image_classes_->size(), 0U); 75796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 75896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 759cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogersstatic void MaybeAddToImageClasses(Handle<mirror::Class> c, std::set<std::string>* image_classes) 76096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 761f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Thread* self = Thread::Current(); 762f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 763f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier // Make a copy of the handle so that we don't clobber it doing Assign. 764f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier Handle<mirror::Class> klass(hs.NewHandle(c.Get())); 765cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 76696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom while (!klass->IsObjectClass()) { 767cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = klass->GetDescriptor(&temp); 768cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::pair<std::set<std::string>::iterator, bool> result = image_classes->insert(descriptor); 769cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (!result.second) { // Previously inserted. 770cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers break; 77196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 772cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers VLOG(compiler) << "Adding " << descriptor << " to image classes"; 773f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier for (size_t i = 0; i < klass->NumDirectInterfaces(); ++i) { 774f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 775f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(mirror::Class::GetDirectInterface(self, klass, i)), 776f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier image_classes); 77796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 77896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass->IsArrayClass()) { 779f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(self); 780f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(klass->GetComponentType()), image_classes); 78196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 782f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier klass.Assign(klass->GetSuperClass()); 78396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 78496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 78596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 78696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromvoid CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 78796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(object != NULL); 78896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(arg != NULL); 78996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 790f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier StackHandleScope<1> hs(Thread::Current()); 791f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier MaybeAddToImageClasses(hs.NewHandle(object->GetClass()), compiler_driver->image_classes_.get()); 79296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 79396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 7943d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::UpdateImageClasses(TimingLogger* timings) { 795e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 796f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("UpdateImageClasses", timings); 797e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Update image_classes_ with classes for objects created by <clinit> methods. 798e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers Thread* self = Thread::Current(); 799e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 800e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 801e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // TODO: Image spaces only? 802590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ScopedObjectAccess soa(Thread::Current()); 803e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 804590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier heap->VisitObjects(FindClinitImageClassesCallback, this); 805e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers self->EndAssertNoThreadSuspension(old_cause); 806e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 80796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 80896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 809590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierbool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, uint32_t type_idx) { 810fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers if (IsImage() && 811dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers IsImageClass(dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_))) { 8124ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe { 8136fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers ScopedObjectAccess soa(Thread::Current()); 8146fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8156fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8164ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe if (resolved_class == nullptr) { 8174ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe // Erroneous class. 8184ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe stats_->TypeNotInDexCache(); 8194ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe return false; 8204ef12f5b0e26c6016c87866f6a33da5ed8e98d74Andreas Gampe } 8216fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers } 822c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeInDexCache(); 8236fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return true; 824996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 825c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNotInDexCache(); 8266fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return false; 827996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 8286d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers} 8296d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers 8301212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 8311212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t string_idx) { 8321bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // See also Compiler::ResolveDexFile 8331bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8345f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers bool result = false; 8355f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers if (IsImage()) { 8365f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers // We resolve all const-string strings when building for the image. 83700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 838eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 839eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache( 840eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(Runtime::Current()->GetClassLinker()->FindDexCache(dex_file))); 8415f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 8425f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers result = true; 84300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 844996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 845c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringInDexCache(); 846996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 847c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringNotInDexCache(); 848996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 849996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8501bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8511bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8521212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 853c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers uint32_t type_idx, 854c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* type_known_final, bool* type_known_abstract, 855c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* equals_referrers_class) { 856c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_final != NULL) { 857c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = false; 858c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 859c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_abstract != NULL) { 860c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_abstract = false; 861c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 862c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (equals_referrers_class != NULL) { 863c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = false; 864c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 86500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 8662dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8671bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier 8682dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8691bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (resolved_class == NULL) { 870c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8711bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 8721bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8731bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 874c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (equals_referrers_class != NULL) { 875c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = (method_id.class_idx_ == type_idx); 876c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 8772dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 8781bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (referrer_class == NULL) { 879c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8801bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 8811bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8821bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access check, will return true if access is ok or false if we're going to have to 8831bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // check this at runtime (for example for class loaders). 884996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class); 885996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 886c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 887c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_final != NULL) { 888c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 889c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 890c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_abstract != NULL) { 891b19fa800aab1c2731b12ff24696feca13901db3fIan Rogers *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 892c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 893996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 894c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 895996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 896996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8971bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8981bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8991212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 9001212a022fa5f8ef9585d765b1809521812af882cIan Rogers const DexFile& dex_file, 9011212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t type_idx) { 90200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 9032dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 9041bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier. 9052dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 9061bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (resolved_class == NULL) { 907c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 9081bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 9091bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 9101bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 9112dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 9121bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (referrer_class == NULL) { 913c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 9141bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 9151bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 9161bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access and instantiable checks, will return true if access is ok or false if we're 9171bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // going to have to check this at runtime (for example for class loaders). 918996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 919996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 920c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 921996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 922c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 923996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 924996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 9251bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 9261bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 927be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchibool CompilerDriver::CanEmbedTypeInCode(const DexFile& dex_file, uint32_t type_idx, 928be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi bool* is_type_initialized, bool* use_direct_type_ptr, 9298668c3cbdcf9471bd97e0da68a240051f2973074Mathieu Chartier uintptr_t* direct_type_ptr, bool* out_is_finalizable) { 930be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi ScopedObjectAccess soa(Thread::Current()); 931be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 932be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 933be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (resolved_class == nullptr) { 934be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 935be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 9368668c3cbdcf9471bd97e0da68a240051f2973074Mathieu Chartier *out_is_finalizable = resolved_class->IsFinalizable(); 937be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 938345c4b19758703793ed31024cfb79940e2c63b75Alex Light const bool support_boot_image_fixup = GetSupportBootImageFixup(); 939be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (compiling_boot) { 940be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> boot class pointers. 941be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at boot compiling time. 942be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool is_image_class = IsImage() && IsImageClass( 943be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_)); 944be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if pc relative load works. 945be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (is_image_class && support_boot_image_fixup) { 946be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 947be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *use_direct_type_ptr = false; 948be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = 0; 949be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 950be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 951be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 952be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 953be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 954be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at app compiling time. 955be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool class_in_image = 956be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi Runtime::Current()->GetHeap()->FindSpaceFromObject(resolved_class, false)->IsImageSpace(); 957345c4b19758703793ed31024cfb79940e2c63b75Alex Light if (class_in_image && support_boot_image_fixup) { 958be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> app class pointers. 959be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 960a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // TODO This is somewhat hacky. We should refactor all of this invoke codepath. 961a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *use_direct_type_ptr = !GetCompilerOptions().GetIncludePatchInformation(); 962be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = reinterpret_cast<uintptr_t>(resolved_class); 963be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 964be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 965be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // app -> app class pointers. 966be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // Give up because app does not have an image and class 967be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // isn't created at compile time. TODO: implement this 968be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // if/when each app gets an image. 969be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 970be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 971be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 972be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 973be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi 974be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedInstanceField(bool resolved) { 975be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 976be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedInstanceField(); 977be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 978be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedInstanceField(); 979be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 980be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 981be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 982be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedStaticField(bool resolved, bool local) { 983be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 984be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedStaticField(); 985be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else if (local) { 986be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedLocalStaticField(); 987be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 988be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedStaticField(); 989be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 990be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 991be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 992f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markovoid CompilerDriver::ProcessedInvoke(InvokeType invoke_type, int flags) { 993f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_->ProcessedInvoke(invoke_type, flags); 994a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 995a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 996e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffraymirror::ArtField* CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, 997e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray const DexCompilationUnit* mUnit, 998e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool is_put, 999e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray const ScopedObjectAccess& soa) { 1000be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1001be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1002be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1003be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1004be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1005eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1006eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache_handle( 1007eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1008eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader_handle( 1009eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1010eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtField> resolved_field_handle(hs.NewHandle( 1011eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveField(soa, dex_cache_handle, class_loader_handle, mUnit, field_idx, false))); 1012eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_field_handle.Get() != nullptr) 1013eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ? ResolveCompilingMethodsClass(soa, dex_cache_handle, class_loader_handle, mUnit) : nullptr; 1014eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_field = resolved_field_handle.Get(); 1015eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier dex_cache = dex_cache_handle.Get(); 10161bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1017e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool can_link = false; 1018be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1019be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastInstanceField( 1020e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray dex_cache, referrer_class, resolved_field, field_idx); 1021e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray can_link = is_put ? fast_path.second : fast_path.first; 1022be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1023e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray ProcessedInstanceField(can_link); 1024e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return can_link ? resolved_field : nullptr; 1025e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray} 1026e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray 1027e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffraybool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1028e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool is_put, MemberOffset* field_offset, 1029e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray bool* is_volatile) { 1030e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray ScopedObjectAccess soa(Thread::Current()); 1031e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray StackHandleScope<1> hs(soa.Self()); 1032e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray Handle<mirror::ArtField> resolved_field = 1033e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray hs.NewHandle(ComputeInstanceFieldInfo(field_idx, mUnit, is_put, soa)); 1034e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray 1035e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray if (resolved_field.Get() == nullptr) { 1036be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1037be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1038be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1039e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return false; 1040e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray } else { 1041e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray *is_volatile = resolved_field->IsVolatile(); 1042e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray *field_offset = resolved_field->GetOffset(); 1043e50383288a75244255d3ecedcc79ffe9caf774cbNicolas Geoffray return true; 1044be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 10451bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10461bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 104789756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogersbool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1048be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool is_put, MemberOffset* field_offset, 1049be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko uint32_t* storage_index, bool* is_referrers_class, 1050be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool* is_volatile, bool* is_initialized) { 105100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1052be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1053be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1054be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1055be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1056be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1057eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1058eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache_handle( 1059eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1060eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader_handle( 1061eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1062eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtField> resolved_field_handle(hs.NewHandle( 1063eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveField(soa, dex_cache_handle, class_loader_handle, mUnit, field_idx, true))); 1064eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_field_handle.Get() != nullptr) 1065eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ? ResolveCompilingMethodsClass(soa, dex_cache_handle, class_loader_handle, mUnit) : nullptr; 1066eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_field = resolved_field_handle.Get(); 1067eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier dex_cache = dex_cache_handle.Get(); 10681bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1069be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool result = false; 1070be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1071be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = IsFieldVolatile(resolved_field); 1072be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastStaticField( 1073be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache, referrer_class, resolved_field, field_idx, field_offset, 1074be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko storage_index, is_referrers_class, is_initialized); 1075be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko result = is_put ? fast_path.second : fast_path.first; 1076be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1077be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!result) { 1078be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1079be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1080be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1081be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *storage_index = -1; 1082be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_referrers_class = false; 1083be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_initialized = false; 1084be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1085be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ProcessedStaticField(result, *is_referrers_class); 1086be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko return result; 10871bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10881bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 108983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogersvoid CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType* type, InvokeType sharp_type, 109083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool no_guarantee_of_dex_cache_entry, 10914f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers mirror::Class* referrer_class, 1092ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, 1093f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int* stats_flags, 109483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers MethodReference* target_method, 109565ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_code, 109665ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1097137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For direct and static methods compute possible direct_code and direct_method values, ie 1098137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // an address for the Method* being invoked and an address of the code for that Method*. 1099137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For interface calls compute a value for direct_method that is the interface method being 1100137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // invoked, so this can be passed to the out-of-line runtime support code. 110165ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_code = 0; 110265ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_method = 0; 110383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool use_dex_cache = false; 1104590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 1105a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // TODO This is somewhat hacky. We should refactor all of this invoke codepath. 1106a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light const bool force_relocations = (compiling_boot || 1107a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light GetCompilerOptions().GetIncludePatchInformation()); 1108b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray if (compiler_->IsPortable()) { 1109c531cefbfb5394413122e9f57d211ba436cff012buzbee if (sharp_type != kStatic && sharp_type != kDirect) { 1110c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1111c531cefbfb5394413122e9f57d211ba436cff012buzbee } 111283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1113c531cefbfb5394413122e9f57d211ba436cff012buzbee } else { 111488474b416eb257078e590bf9bc7957cee604a186Jeff Hao if (sharp_type != kStatic && sharp_type != kDirect) { 1115c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1116c531cefbfb5394413122e9f57d211ba436cff012buzbee } 111783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // TODO: support patching on all architectures. 1118a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light use_dex_cache = force_relocations && !support_boot_image_fixup_; 1119b8404a7de94c109e3c17b4205b5f8aaae996eb33TDYa } 112083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool method_code_in_boot = (method->GetDeclaringClass()->GetClassLoader() == nullptr); 112183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!use_dex_cache) { 112283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!method_code_in_boot) { 112383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 112483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 112583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool has_clinit_trampoline = 112683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 112783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 112883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Ensure we run the clinit trampoline unless we are invoking a static method in the same 112983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // class. 113083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 113183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 113283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1134f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (method_code_in_boot) { 1135f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *stats_flags |= kFlagDirectCallToBoot | kFlagDirectMethodToBoot; 11362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1137a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (!use_dex_cache && force_relocations) { 1138a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (!IsImage() || !IsImageClass(method->GetDeclaringClassDescriptor())) { 113983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // We can only branch directly to Methods that are resolved in the DexCache. 114083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Otherwise we won't invoke the resolution trampoline. 114183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1142e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1143c468e92d1e18305a5053c8a4a7c88cb297e525afIan Rogers } 114483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // The method is defined not within this dex file. We need a dex cache slot within the current 114583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // dex file or direct pointers. 114683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool must_use_direct_pointers = false; 114783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (target_method->dex_file == method->GetDeclaringClass()->GetDexCache()->GetDexFile()) { 114883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = method->GetDexMethodIndex(); 114983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 115083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (no_guarantee_of_dex_cache_entry) { 1151bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier StackHandleScope<1> hs(Thread::Current()); 1152bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier MethodHelper mh(hs.NewHandle(method)); 115383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // See if the method is also declared in this dex cache. 1154bfd9a4378eacaf2dc2bbe05ad48c5164fc93c9feMathieu Chartier uint32_t dex_method_idx = mh.FindDexMethodIndexInOtherDexFile( 1155bbcc0c0a17262f3d2a70fc0a82e1783862f708ccVladimir Marko *target_method->dex_file, target_method->dex_method_index); 115683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (dex_method_idx != DexFile::kDexNoIndex) { 115783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = dex_method_idx; 115883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 1159a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (force_relocations && !use_dex_cache) { 116049161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_method_index = method->GetDexMethodIndex(); 116149161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 116249161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao } 116383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers must_use_direct_pointers = true; 11643fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 11653fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 116683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 116783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (use_dex_cache) { 116883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (must_use_direct_pointers) { 116983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Fail. Test above showed the only safe dispatch was via the dex cache, however, the direct 117083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // pointers are required as the dex cache lacks an appropriate entry. 117183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 117283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 117383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 117483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11753fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } else { 1176a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light bool method_in_image = 1177a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace(); 1178a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (method_in_image || compiling_boot) { 1179a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light // We know we must be able to get to the method in the image, so use that pointer. 1180a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko CHECK(!method->IsAbstract()); 118183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 1182a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_method = force_relocations ? -1 : reinterpret_cast<uintptr_t>(method); 1183a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = force_relocations ? -1 : compiler_->GetEntryPointOf(method); 1184a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1185a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko target_method->dex_method_index = method->GetDexMethodIndex(); 1186a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko } else if (!must_use_direct_pointers) { 1187a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko // Set the code and rely on the dex cache for the method. 1188a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko *type = sharp_type; 1189a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light if (force_relocations) { 1190a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = -1; 1191a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 1192a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light target_method->dex_method_index = method->GetDexMethodIndex(); 1193a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light } else { 1194a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light *direct_code = compiler_->GetEntryPointOf(method); 1195a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light } 119683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 1197a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko // Direct pointers were required but none were available. 1198a51a0b0300268b605e3ad71b0e87ff394032c5e7Vladimir Marko VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 11993fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 12002ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 12012ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers} 12022ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 1203e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogersbool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 120465ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers bool update_stats, bool enable_devirtualization, 120565ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers InvokeType* invoke_type, MethodReference* target_method, 120665ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers int* vtable_idx, uintptr_t* direct_code, 120765ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1208f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko InvokeType orig_invoke_type = *invoke_type; 1209f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int stats_flags = 0; 121000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1211f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Try to resolve the method and compiling method's class. 1212f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::ArtMethod* resolved_method; 1213f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::Class* referrer_class; 1214eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1215eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache( 1216eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile()))); 1217eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader(hs.NewHandle( 1218eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader()))); 1219f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko { 1220f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko uint32_t method_idx = target_method->dex_method_index; 1221eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ArtMethod> resolved_method_handle(hs.NewHandle( 1222eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier ResolveMethod(soa, dex_cache, class_loader, mUnit, method_idx, orig_invoke_type))); 1223eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier referrer_class = (resolved_method_handle.Get() != nullptr) 1224f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader, mUnit) : nullptr; 1225eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_method = resolved_method_handle.Get(); 1226f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 1227f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko bool result = false; 1228f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (resolved_method != nullptr) { 1229f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = GetResolvedMethodVTableIndex(resolved_method, orig_invoke_type); 1230f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1231f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (enable_devirtualization) { 1232f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 1233f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko const MethodReference* devirt_target = mUnit->GetVerifiedMethod()->GetDevirtTarget(dex_pc); 1234f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1235f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = IsFastInvoke( 1236f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko soa, dex_cache, class_loader, mUnit, referrer_class, resolved_method, 1237f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko invoke_type, target_method, devirt_target, direct_code, direct_method); 1238f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = stats_flags != 0; 1239f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1240f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Devirtualization not enabled. Inline IsFastInvoke(), dropping the devirtualization parts. 1241f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (UNLIKELY(referrer_class == nullptr) || 1242f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko UNLIKELY(!referrer_class->CanAccessResolvedMethod(resolved_method->GetDeclaringClass(), 1243eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier resolved_method, dex_cache.Get(), 1244f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko target_method->dex_method_index)) || 1245f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *invoke_type == kSuper) { 1246f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Slow path. (Without devirtualization, all super calls go slow path as well.) 1247f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1248f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Sharpening failed so generate a regular resolved method dispatch. 1249f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = kFlagMethodResolved; 1250f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko GetCodeAndMethodForDirectCall(invoke_type, *invoke_type, false, referrer_class, resolved_method, 1251f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko &stats_flags, target_method, direct_code, direct_method); 1252f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = true; 1253a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1254a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1255a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1256f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (!result) { 1257f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Conservative defaults. 1258f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = -1; 1259f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_code = 0u; 1260f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_method = 0u; 1261a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1262e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers if (update_stats) { 1263f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ProcessedInvoke(orig_invoke_type, stats_flags); 1264e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1265f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko return result; 1266a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 1267a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 12682730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markoconst VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, 12692730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko uint32_t method_idx) const { 12702730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko MethodReference ref(dex_file, method_idx); 12712730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko return verification_results_->GetVerifiedMethod(ref); 12722730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko} 12732730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko 12742730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markobool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { 12752730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 12762730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); 1277fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers if (result) { 1278fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->SafeCast(); 1279fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } else { 1280fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->NotASafeCast(); 1281fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 1282fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers return result; 1283fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers} 1284fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 12851212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddCodePatch(const DexFile* dex_file, 12868b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 12878b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 12888b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 12898b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 129049161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 12918b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 12928b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 129350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1294be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi code_to_patch_.push_back(new CallPatchInformation(dex_file, 1295be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1296be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1297be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1298be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 129949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1300be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1301be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 13023fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 130355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid CompilerDriver::AddRelativeCodePatch(const DexFile* dex_file, 130455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint16_t referrer_class_def_idx, 130555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t referrer_method_idx, 130655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType referrer_invoke_type, 130755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t target_method_idx, 130849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 130955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType target_invoke_type, 131055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell size_t literal_offset, 131155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell int32_t pc_relative_offset) { 131255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell MutexLock mu(Thread::Current(), compiled_methods_lock_); 131355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell code_to_patch_.push_back(new RelativeCallPatchInformation(dex_file, 131455d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_class_def_idx, 131555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_method_idx, 131655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_invoke_type, 131755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_method_idx, 131849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 131955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_invoke_type, 132055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell literal_offset, 132155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell pc_relative_offset)); 132255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 13231212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddMethodPatch(const DexFile* dex_file, 13248b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 13258b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 13268b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 13278b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 132849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 13298b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 13308b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 133150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1332be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi methods_to_patch_.push_back(new CallPatchInformation(dex_file, 1333be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1334be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1335be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1336be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 133749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1338be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1339be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 1340be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 1341be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchivoid CompilerDriver::AddClassPatch(const DexFile* dex_file, 1342be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint16_t referrer_class_def_idx, 1343be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t referrer_method_idx, 1344be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t target_type_idx, 1345be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi size_t literal_offset) { 1346be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(Thread::Current(), compiled_methods_lock_); 1347be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi classes_to_patch_.push_back(new TypePatchInformation(dex_file, 1348be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1349be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1350be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_type_idx, 1351be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 13523fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 13533fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers 1354219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersclass ParallelCompilationManager { 1355731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom public: 1356219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers typedef void Callback(const ParallelCompilationManager* manager, size_t index); 13570e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier 1358219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager(ClassLinker* class_linker, 1359219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers jobject class_loader, 1360219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers CompilerDriver* compiler, 1361219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile* dex_file, 13620171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 13633d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool) 13640b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier : index_(0), 13650b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier class_linker_(class_linker), 1366731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom class_loader_(class_loader), 1367731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom compiler_(compiler), 13680e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier dex_file_(dex_file), 13690171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe dex_files_(dex_files), 13703d504075f7c1204d581923460754bf6d3714b13fIan Rogers thread_pool_(thread_pool) {} 1371731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 137200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ClassLinker* GetClassLinker() const { 1373731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(class_linker_ != NULL); 1374731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_linker_; 1375731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 137600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 137700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jobject GetClassLoader() const { 1378731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_loader_; 1379731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 138000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 13811212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* GetCompiler() const { 1382731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(compiler_ != NULL); 1383731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return compiler_; 1384731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 138500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 138600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* GetDexFile() const { 1387731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(dex_file_ != NULL); 1388731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return dex_file_; 1389731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 1390731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 13910171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& GetDexFiles() const { 13920171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return dex_files_; 13930171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe } 13940171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe 13950e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 13960e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier Thread* self = Thread::Current(); 13970e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 13980e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_GT(work_units, 0U); 13999ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 14003e5cf305db800b2989ad57b7cde8fb3cc9fa1b9eIan Rogers index_.StoreRelaxed(begin); 14010e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier for (size_t i = 0; i < work_units; ++i) { 1402501baec5f2de2156bb5ed7f66d23f1b1ad026267Sebastien Hertz thread_pool_->AddTask(self, new ForAllClosure(this, end, callback)); 14030e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 14040e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier thread_pool_->StartWorkers(self); 140500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 14060e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 14070e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // thread destructor's called below perform join). 14080e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_NE(self->GetState(), kRunnable); 1409d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14100e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Wait for all the worker threads to finish. 14111d54e73444e017d3a65234e0f193846f3e27472bIan Rogers thread_pool_->Wait(self, true, false); 1412d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1413d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14140b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier size_t NextIndex() { 14153e5cf305db800b2989ad57b7cde8fb3cc9fa1b9eIan Rogers return index_.FetchAndAddSequentiallyConsistent(1); 14160b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 14170b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 1418d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes private: 141902b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier class ForAllClosure : public Task { 14200e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier public: 14210b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ForAllClosure(ParallelCompilationManager* manager, size_t end, Callback* callback) 1422219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers : manager_(manager), 14230e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier end_(end), 14240b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(callback) {} 14259ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 14260e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier virtual void Run(Thread* self) { 14270b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier while (true) { 14280b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier const size_t index = manager_->NextIndex(); 14290b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier if (UNLIKELY(index >= end_)) { 14300b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier break; 14310b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 14320b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(manager_, index); 14330e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 14340e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 14350e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 143602b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier 143702b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier virtual void Finalize() { 143802b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier delete this; 143902b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier } 14400cd7ec2dcd8d7ba30bf3ca420b40dac52849876cBrian Carlstrom 14410e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier private: 14420b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ParallelCompilationManager* const manager_; 14430e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const size_t end_; 1444460536209b741bc469f1b0857775449abb2102fbBernhard Rosenkränzer Callback* const callback_; 14450e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier }; 14461e4092589f1400915e6213014da103aab8728ef6Elliott Hughes 14470b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier AtomicInteger index_; 14480e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier ClassLinker* const class_linker_; 14490e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const jobject class_loader_; 14501212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* const compiler_; 14510e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const DexFile* const dex_file_; 14520171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files_; 1453219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ThreadPool* const thread_pool_; 14540b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 14550b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); 1456d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes}; 1457d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14580171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampestatic bool SkipClassCheckClassPath(const char* descriptor, const DexFile& dex_file, 14590171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& classpath) { 14600171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe DexFile::ClassPathEntry pair = DexFile::FindInClassPath(descriptor, classpath); 14610171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe CHECK(pair.second != NULL); 14620171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe if (pair.first != &dex_file) { 14630171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe LOG(WARNING) << "Skipping class " << descriptor << " from " << dex_file.GetLocation() 14640171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe << " previously found in " << pair.first->GetLocation(); 14650171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return true; 14660171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe } 14670171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return false; 14680171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe} 14690171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe 14700e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// Return true if the class should be skipped during compilation. 14710e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// 14720e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// The first case where we skip is for redundant class definitions in 14730e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// the boot classpath. We skip all but the first definition in that case. 14740e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// 14750e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// The second case where we skip is when an app bundles classes found 14760e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// in the boot classpath. Since at runtime we will select the class from 14770e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// the boot classpath, we ignore the one from the app. 14780171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe// 14790171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe// The third case is if the app itself has the class defined in multiple dex files. Then we skip 14800171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe// it if it is not the first occurrence. 1481be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogersstatic bool SkipClass(ClassLinker* class_linker, jobject class_loader, const DexFile& dex_file, 14820171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 1483be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers const DexFile::ClassDef& class_def) { 14840e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 14850171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe 148600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (class_loader == NULL) { 14870171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return SkipClassCheckClassPath(descriptor, dex_file, class_linker->GetBootClassPath()); 14880171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe } 14890171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe 14900171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe if (class_linker->IsInBootClassPath(descriptor)) { 14910171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return true; 149200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 14930171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe 14940171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe return SkipClassCheckClassPath(descriptor, dex_file, dex_files); 149500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers} 149600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 14970e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// A fast version of SkipClass above if the class pointer is available 14980e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// that avoids the expensive FindInClassPath search. 14990e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Haostatic bool SkipClass(jobject class_loader, const DexFile& dex_file, mirror::Class* klass) 15000e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 15010e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao DCHECK(klass != NULL); 15020e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); 15030e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (&dex_file != &original_dex_file) { 15040e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (class_loader == NULL) { 15050e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(WARNING) << "Skipping class " << PrettyDescriptor(klass) << " from " 15060e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << dex_file.GetLocation() << " previously found in " 15070e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << original_dex_file.GetLocation(); 15080e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 15090e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return true; 15100e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 15110e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return false; 15120e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao} 15130e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 151470b634882b523ec9795475dccc347b423cefaef6Mathieu Chartierstatic void CheckAndClearResolveException(Thread* self) 151570b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 151670b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CHECK(self->IsExceptionPending()); 151770b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier mirror::Throwable* exception = self->GetException(nullptr); 1518cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers std::string temp; 1519cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = exception->GetClass()->GetDescriptor(&temp); 1520cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* expected_exceptions[] = { 1521cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/IllegalAccessError;", 1522cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/IncompatibleClassChangeError;", 1523cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/InstantiationError;", 1524cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoClassDefFoundError;", 1525cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoSuchFieldError;", 1526cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers "Ljava/lang/NoSuchMethodError;" 1527cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers }; 1528cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers bool found = false; 1529cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers for (size_t i = 0; (found == false) && (i < arraysize(expected_exceptions)); ++i) { 1530cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (strcmp(descriptor, expected_exceptions[i]) == 0) { 1531cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers found = true; 1532cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 1533cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 1534cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (!found) { 153570b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier LOG(FATAL) << "Unexpected exeption " << exception->Dump(); 153670b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier } 153770b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier self->ClearException(); 153870b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier} 153970b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier 1540e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogersstatic void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, 1541e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers size_t class_def_index) 1542b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 15438f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 1544be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers Thread* self = Thread::Current(); 1545be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers jobject jclass_loader = manager->GetClassLoader(); 1546219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1547be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1548d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1549e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // If an instance field is final then we need to have a barrier on the return, static final 1550e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // fields are assigned within the lock held for class initialization. Conservatively assume 1551e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // constructor barriers are always required. 1552e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers bool requires_constructor_barrier = true; 1553e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers 1554845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // Method and Field are the worst. We can't resolve without either 1555845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // context from the code use (to disambiguate virtual vs direct 1556845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // method and instance vs static field) or from class 1557845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions. While the compiler will resolve what it can as it 1558845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // needs it, here we try to resolve fields and methods used in class 1559845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions, since many of them many never be referenced by 1560845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // generated code. 1561d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 15620171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe if (!SkipClass(class_linker, jclass_loader, dex_file, manager->GetDexFiles(), class_def)) { 1563cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom ScopedObjectAccess soa(self); 1564eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(soa.Self()); 1565eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1566eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1567eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1568cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // Resolve the class. 1569cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, 1570cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom class_loader); 1571cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom bool resolve_fields_and_methods; 1572cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom if (klass == NULL) { 1573cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // Class couldn't be resolved, for example, super-class is in a different dex file. Don't 1574cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // attempt to resolve methods and fields when there is no declaring class. 157570b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CheckAndClearResolveException(soa.Self()); 1576cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom resolve_fields_and_methods = false; 1577cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } else { 1578cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom resolve_fields_and_methods = manager->GetCompiler()->IsImage(); 1579cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } 1580e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Note the class_data pointer advances through the headers, 1581e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // static fields, instance fields, direct methods, and virtual 1582e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // methods. 1583e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const byte* class_data = dex_file.GetClassData(class_def); 1584e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (class_data == NULL) { 1585e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Empty class such as a marker interface. 1586e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = false; 1587e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 1588e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers ClassDataItemIterator it(dex_file, class_data); 1589e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextStaticField()) { 1590e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1591e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1592e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, true); 1593e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (field == NULL) { 159470b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CheckAndClearResolveException(soa.Self()); 1595e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1596e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1597e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1598e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1599e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // We require a constructor barrier if there are final instance fields. 1600e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = false; 1601e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextInstanceField()) { 1602e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1603e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = true; 1604e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1605e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1606e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1607e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, false); 1608e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (field == NULL) { 160970b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CheckAndClearResolveException(soa.Self()); 1610e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1611e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1612e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1613e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1614e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1615e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextDirectMethod()) { 1616e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 16170cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier dex_cache, class_loader, 16180cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier NullHandle<mirror::ArtMethod>(), 1619e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.GetMethodInvokeType(class_def)); 1620e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (method == NULL) { 162170b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CheckAndClearResolveException(soa.Self()); 1622e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1623e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1624e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1625e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextVirtualMethod()) { 1626e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 16270cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier dex_cache, class_loader, 16280cd81352a7c06e381951cea1b104fd73516f4341Mathieu Chartier NullHandle<mirror::ArtMethod>(), 1629e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.GetMethodInvokeType(class_def)); 1630e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (method == NULL) { 163170b634882b523ec9795475dccc347b423cefaef6Mathieu Chartier CheckAndClearResolveException(soa.Self()); 1632e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1633e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1634e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1635e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers DCHECK(!it.HasNext()); 1636e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 163720cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom } 1638d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1639fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers if (requires_constructor_barrier) { 1640be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers manager->GetCompiler()->AddRequiresConstructorBarrier(self, &dex_file, class_def_index); 1641fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers } 1642d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1643d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1644219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1645b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 1646d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes // Class derived values are more complicated, they require the linker and loader. 164700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1648219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1649219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1650eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<2> hs(soa.Self()); 1651eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1652eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1653eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader()))); 16542dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 165500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 1656d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes if (klass == NULL) { 165700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1658a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 1659a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); 1660f832284dd847ff077577bb5712225430bbbb3b67Mathieu Chartier if (exception->GetClass()->DescriptorEquals("Ljava/lang/OutOfMemoryError;")) { 1661a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers // There's little point continuing compilation if the heap is exhausted. 1662a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers LOG(FATAL) << "Out of memory during type resolution for compilation"; 1663a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers } 1664a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers soa.Self()->ClearException(); 1665d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1666d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1667d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 16681212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 16690171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 16703d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1671d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1672d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 167300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: we could resolve strings here, although the string table is largely filled with class 167400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // and method names. 1675d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 16760171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 16770171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 1678e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 1679e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // For images we resolve all types, such as array, whereas for applications just those with 1680e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // classdefs are resolved by ResolveClassFieldsAndMethods. 1681f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Resolve Types", timings); 1682e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1683e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1684d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1685f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Resolve MethodsAndFields", timings); 16860e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 16879ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 16889ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 16891212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 16903d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1691ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1692ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 169398eacac683b78e60799323e8c7d59e7214808639jeffhao CHECK(dex_file != NULL); 16940171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe VerifyDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 169598eacac683b78e60799323e8c7d59e7214808639jeffhao } 169698eacac683b78e60799323e8c7d59e7214808639jeffhao} 169798eacac683b78e60799323e8c7d59e7214808639jeffhao 1698219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1699b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 170067f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 170100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 17020e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 17030e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 17040e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 17050e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao ClassLinker* class_linker = manager->GetClassLinker(); 17060e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 1707eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1708eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1709eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1710eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 1711eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 1712eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() == nullptr) { 1713e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 171462d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 1715f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao 1716f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao /* 1717f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * At compile time, we can still structurally verify the class even if FindClass fails. 1718f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * This is to ensure the class is structurally sound for compilation. An unsound class 1719f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * will be rejected by the verifier and later skipped during compilation in the compiler. 1720f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao */ 1721eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::DexCache> dex_cache(hs.NewHandle(class_linker->FindDexCache(dex_file))); 1722f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao std::string error_msg; 1723590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (verifier::MethodVerifier::VerifyClass(&dex_file, dex_cache, class_loader, &class_def, true, 1724590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier &error_msg) == 172500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers verifier::MethodVerifier::kHardFailure) { 17260e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) 1727f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao << " because: " << error_msg; 1728f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao } 1729eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier } else if (!SkipClass(jclass_loader, dex_file, klass.Get())) { 1730eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier CHECK(klass->IsResolved()) << PrettyClass(klass.Get()); 17310e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao class_linker->VerifyClass(klass); 1732d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1733e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (klass->IsErroneous()) { 1734e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1735e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1736e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1737e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 173867f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 1739e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1740eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier << PrettyDescriptor(klass.Get()) << ": state=" << klass->GetStatus(); 1741e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 174262d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->AssertNoPendingException(); 1743d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1744d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 17451212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 17460171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 17473d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1748f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Verify Dex File", timings); 1749731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 17500171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, dex_files, 17510171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 17520e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1753a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom} 1754a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom 1755219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 17563d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 17578f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 17580e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 17590e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 17600e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1761bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); 1762bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); 1763fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers 176400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1765eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<3> hs(soa.Self()); 1766eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1767eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1768eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> klass( 1769eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(manager->GetClassLinker()->FindClass(soa.Self(), descriptor, class_loader))); 17700e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 1771eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier if (klass.Get() != nullptr && !SkipClass(jclass_loader, dex_file, klass.Get())) { 177264b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers // Only try to initialize classes that were successfully verified. 17733d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers if (klass->IsVerified()) { 17748f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize the class but bail if we either need to initialize the super-class 17758f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // or static fields. 17768f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, false); 177764b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers if (!klass->IsInitialized()) { 17788f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We don't want non-trivial class initialization occurring on multiple threads due to 17798f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // deadlock problems. For example, a parent class is initialized (holding its lock) that 17808f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // refers to a sub-class in its static/class initializer causing it to try to acquire the 17818f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) 17828f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // after first initializing its parents, whose locks are acquired. This leads to a 17838f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. 17848f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 17858f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // than use a special Object for the purpose we use the Class of java.lang.Class. 1786eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::Class> h_klass(hs.NewHandle(klass->GetClass())); 1787db2633ce0358c704f97130a94b582602cb01d14aMathieu Chartier ObjectLock<mirror::Class> lock(soa.Self(), h_klass); 17888f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize allowing initialization of parent classes but still not static 17898f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // fields. 17908f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, true); 17918f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (!klass->IsInitialized()) { 17928f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to initialize static fields, we only do this for image classes that aren't 1793d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // marked with the $NoPreloadHolder (which implies this should not be initialized early). 17948f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers bool can_init_static_fields = manager->GetCompiler()->IsImage() && 1795d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz manager->GetCompiler()->IsImageClass(descriptor) && 1796d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 17978f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (can_init_static_fields) { 1798d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz VLOG(compiler) << "Initializing: " << descriptor; 1799c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // TODO multithreading support. We should ensure the current compilation thread has 1800c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // exclusive access to the runtime and the transaction. To achieve this, we could use 1801c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity 1802c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // checks in Thread::AssertThreadSuspensionIsAllowable. 1803c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers Runtime* const runtime = Runtime::Current(); 1804c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers Transaction transaction; 1805c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers 1806c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // Run the class initializer in transaction mode. 1807c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers runtime->EnterTransactionMode(&transaction); 1808c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers const mirror::Class::Status old_status = klass->GetStatus(); 1809c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers bool success = manager->GetClassLinker()->EnsureInitialized(klass, true, true); 1810c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // TODO we detach transaction from runtime to indicate we quit the transactional 1811c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // mode which prevents the GC from visiting objects modified during the transaction. 1812c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers // Ensure GC is not run so don't access freed objects when aborting transaction. 1813c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers const char* old_casue = soa.Self()->StartAssertNoThreadSuspension("Transaction end"); 1814c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers runtime->ExitTransactionMode(); 1815c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers 1816c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers if (!success) { 1817c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers CHECK(soa.Self()->IsExceptionPending()); 1818c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers ThrowLocation throw_location; 1819c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(&throw_location); 1820c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " 1821c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers << exception->Dump(); 1822c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers soa.Self()->ClearException(); 1823c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers transaction.Abort(); 1824c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; 182564b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 1826c45b8b582be5c98941ca3869fcdc9a08d520da41Ian Rogers soa.Self()->EndAssertNoThreadSuspension(old_casue); 182764b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 182864b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 18298f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers soa.Self()->AssertNoPendingException(); 183064b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 183127ec961a1da540ba7f16c07a682585ab167317adBrian Carlstrom } 18323d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers // Record the final class status if necessary. 183351c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom ClassReference ref(manager->GetDexFile(), class_def_index); 18348f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 183598eacac683b78e60799323e8c7d59e7214808639jeffhao } 18361f5393447b9f45be7918042d9ee7b521376de866Ian Rogers // Clear any class not found or verification exceptions. 183762d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 183898eacac683b78e60799323e8c7d59e7214808639jeffhao} 183998eacac683b78e60799323e8c7d59e7214808639jeffhao 18401212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 18410171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 18423d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1843f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("InitializeNoClinit", timings); 18443d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 18450171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, dex_files, 18460171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe thread_pool); 1847d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz size_t thread_count; 1848d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (IsImage()) { 1849d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO: remove this when transactional mode supports multithreading. 1850d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = 1U; 1851d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } else { 1852d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = thread_count_; 1853d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } 1854d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count); 18553d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers} 185690dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 18571212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject class_loader, 18581212a022fa5f8ef9585d765b1809521812af882cIan Rogers const std::vector<const DexFile*>& dex_files, 18593d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 18603d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers for (size_t i = 0; i != dex_files.size(); ++i) { 18613d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers const DexFile* dex_file = dex_files[i]; 186290dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao CHECK(dex_file != NULL); 18630171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe InitializeClasses(class_loader, *dex_file, dex_files, thread_pool, timings); 186400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 1865a73a8b55415b544355438522524a640378698d85Mathieu Chartier if (IsImage()) { 1866a73a8b55415b544355438522524a640378698d85Mathieu Chartier // Prune garbage objects created during aborted transactions. 1867a73a8b55415b544355438522524a640378698d85Mathieu Chartier Runtime::Current()->GetHeap()->CollectGarbage(true); 1868a73a8b55415b544355438522524a640378698d85Mathieu Chartier } 186990dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao} 187090dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 18711212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 18723d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1873ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1874ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 187583db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom CHECK(dex_file != NULL); 18760171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe CompileDexFile(class_loader, *dex_file, dex_files, thread_pool, timings); 187783db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom } 187883db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom} 187983db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom 1880219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersvoid CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 188167f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 1882219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1883c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1884be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1885cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers jobject jclass_loader = manager->GetClassLoader(); 1886cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers { 1887cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers // Use a scoped object access to perform to the quick SkipClass check. 1888cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers const char* descriptor = dex_file.GetClassDescriptor(class_def); 1889cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers ScopedObjectAccess soa(Thread::Current()); 1890cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers StackHandleScope<3> hs(soa.Self()); 1891cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers Handle<mirror::ClassLoader> class_loader( 1892cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 1893cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers Handle<mirror::Class> klass( 1894cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers hs.NewHandle(class_linker->FindClass(soa.Self(), descriptor, class_loader))); 1895cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers if (klass.Get() == nullptr) { 1896cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1897cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers soa.Self()->ClearException(); 1898cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } else if (SkipClass(jclass_loader, dex_file, klass.Get())) { 1899cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers return; 1900cb6b0f31ede2275e79e6199ec391147585a37a2aIan Rogers } 19015ead0950c661761e90e04aefd6ea2205532ce874Brian Carlstrom } 1902d1224c79631bd1801b067a0f212b91afa961a362jeffhao ClassReference ref(&dex_file, class_def_index); 1903d1224c79631bd1801b067a0f212b91afa961a362jeffhao // Skip compiling classes with generic verifier failures since they will still fail at runtime 1904c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko if (manager->GetCompiler()->verification_results_->IsClassRejected(ref)) { 1905d1224c79631bd1801b067a0f212b91afa961a362jeffhao return; 1906d1224c79631bd1801b067a0f212b91afa961a362jeffhao } 19070571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers const byte* class_data = dex_file.GetClassData(class_def); 19080571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (class_data == NULL) { 19090571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // empty class, probably a marker interface 19100571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers return; 19110571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 191267f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 19132d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 191475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 19152d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 19162d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 1917eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier StackHandleScope<1> hs(soa.Self()); 1918eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier Handle<mirror::ClassLoader> class_loader( 1919eb8167a4f4d27fce0530f6724ab8032610cd146bMathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader*>(jclass_loader))); 19209837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(soa.Self(), class_loader, dex_file, 19219837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 19222d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 19230571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ClassDataItemIterator it(dex_file, class_data); 19240571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Skip fields 19250571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextStaticField()) { 19260571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19270571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 19280571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextInstanceField()) { 19290571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19300571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 1931be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers CompilerDriver* driver = manager->GetCompiler(); 19320571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile direct methods 193368adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_direct_method_idx = -1; 19340571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextDirectMethod()) { 19356f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 19366f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_direct_method_idx) { 19376f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 19386f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 19396f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 19406f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 19416f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 19426f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_direct_method_idx = method_idx; 1943be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 1944be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1945be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 19460571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19479ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 19480571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile virtual methods 194968adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_virtual_method_idx = -1; 19500571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextVirtualMethod()) { 19516f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 19526f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_virtual_method_idx) { 19536f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 19546f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 19556f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 19566f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 19576f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 19586f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_virtual_method_idx = method_idx; 1959be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 1960be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1961be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 19620571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 19639ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 19640571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers DCHECK(!it.HasNext()); 19659ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 19669ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 19671212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 19680171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe const std::vector<const DexFile*>& dex_files, 19693d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1970f5997b4d3f889569d5a2b724d83d764bfbb8d106Mathieu Chartier TimingLogger::ScopedTiming t("Compile Dex File", timings); 1971be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, 19720171987facdea1f4e22d0b5880dcde38a816adb1Andreas Gampe &dex_file, dex_files, thread_pool); 19731212a022fa5f8ef9585d765b1809521812af882cIan Rogers context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 1974c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes} 1975c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes 19761212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 19778b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType invoke_type, uint16_t class_def_idx, 19781212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t method_idx, jobject class_loader, 19792d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile& dex_file, 198075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level) { 1981f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes CompiledMethod* compiled_method = NULL; 1982bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes uint64_t start_ns = NanoTime(); 19834dd96f56909ec35c83a3d468b0e47769988c1a1dLogan Chien 1984169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers if ((access_flags & kAccNative) != 0) { 19850188ab739c3ef8bcd521d88f84894db8c0f012c5Ian Rogers // Are we interpreting only and have support for generic JNI down calls? 19864a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsCompilationEnabled() && 1987b95a5345ae4217b70ca36f0cced92f68dda7caf5Stuart Monteith (instruction_set_ == kX86_64 || instruction_set_ == kArm64)) { 19885b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers // Leaving this empty will trigger the generic JNI version 19895b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } else { 199072d32629303f8f39362a4099481f48646aed042fIan Rogers compiled_method = compiler_->JniCompile(access_flags, method_idx, dex_file); 19915b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers CHECK(compiled_method != NULL); 19925b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } 1993169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers } else if ((access_flags & kAccAbstract) != 0) { 19942cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } else { 199590af14d2743614e3e1453984b14258a6f145501dDragos Sbirlea MethodReference method_ref(&dex_file, method_idx); 19966449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom bool compile = verification_results_->IsCandidateForCompilation(method_ref, access_flags); 19974d4adb1dae07bb7421e863732ab789413a3b43f0Sebastien Hertz if (compile) { 1998a024a0686c3b0fea13f362bff70d65981e5febc5buzbee // NOTE: if compiler declines to compile this method, it will return NULL. 199972d32629303f8f39362a4099481f48646aed042fIan Rogers compiled_method = compiler_->Compile(code_item, access_flags, invoke_type, class_def_idx, 200072d32629303f8f39362a4099481f48646aed042fIan Rogers method_idx, class_loader, dex_file); 200117965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz } 200217965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz if (compiled_method == nullptr && dex_to_dex_compilation_level != kDontDexToDexCompile) { 200317965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz // TODO: add a command-line option to disable DEX-to-DEX compilation ? 200475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz (*dex_to_dex_compiler_)(*this, code_item, access_flags, 200575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz invoke_type, class_def_idx, 200675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz method_idx, class_loader, dex_file, 200775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compilation_level); 2008f3e9855ee2000106b54fd479f7a46da2dc2ad079Ian Rogers } 2009bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes } 20103bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers uint64_t duration_ns = NanoTime() - start_ns; 2011073ed9ba97df41862403f64d7a2e824d09ab50edAndreas Gampe if (duration_ns > MsToNs(compiler_->GetMaximumCompilationTimeBeforeWarning()) && !kIsDebugBuild) { 2012bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 20133bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers << " took " << PrettyDuration(duration_ns); 2014f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes } 2015f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes 201650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 2017f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes if (compiled_method != NULL) { 20180571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodReference ref(&dex_file, method_idx); 20198f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers DCHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 202000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 202150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 202200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers compiled_methods_.Put(ref, compiled_method); 202300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 20240755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 20252cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } 20269baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom 202750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->IsExceptionPending()) { 202850b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 202900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 203062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << self->GetException(NULL)->Dump(); 203100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 20320571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers} 203328ad40dc3ec2f09b0ffd4f6d6787bf1b532ccd5dIan Rogers 20341212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 203550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 20360755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom ClassTable::const_iterator it = compiled_classes_.find(ref); 20370755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom if (it == compiled_classes_.end()) { 20380755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return NULL; 20390755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom } 20400755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom CHECK(it->second != NULL); 20410755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return it->second; 20420755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom} 20430755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 20448f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogersvoid CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { 20458f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 20468f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers auto it = compiled_classes_.find(ref); 20478f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it == compiled_classes_.end() || it->second->GetStatus() != status) { 20488f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // An entry doesn't exist or the status is lower than the new status. 20498f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it != compiled_classes_.end()) { 20508f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CHECK_GT(status, it->second->GetStatus()); 20518f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers delete it->second; 20528f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 20538f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers switch (status) { 20548f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusNotReady: 20558f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusError: 20568f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusRetryVerificationAtRuntime: 20578f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusVerified: 20588f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusInitialized: 20598f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers break; // Expected states. 20608f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers default: 20618f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers LOG(FATAL) << "Unexpected class status for class " 20628f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) 20638f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << " of " << status; 20648f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 20658f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CompiledClass* compiled_class = new CompiledClass(status); 20668f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers compiled_classes_.Overwrite(ref, compiled_class); 20678f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 20688f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers} 20698f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers 20701212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 207150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 20720571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodTable::const_iterator it = compiled_methods_.find(ref); 20730571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (it == compiled_methods_.end()) { 20743320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return NULL; 20752c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers } 20763320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom CHECK(it->second != NULL); 20773320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return it->second; 20789ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 20799ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 20801212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 20818b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 20828f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers WriterMutexLock mu(self, freezing_constructor_lock_); 2083fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 2084fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 2085fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 20861212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 20878b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 20888f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ReaderMutexLock mu(self, freezing_constructor_lock_); 2089fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 2090fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 2091fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 20923f47c12487250f61f3be95e9f275e3b08e2c49fbBrian Carlstrombool CompilerDriver::WriteElf(const std::string& android_root, 2093265091e581c9f643b37e7966890911f09e223269Brian Carlstrom bool is_host, 209451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const std::vector<const art::DexFile*>& dex_files, 20953d504075f7c1204d581923460754bf6d3714b13fIan Rogers OatWriter* oat_writer, 209651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::File* file) 209751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 209872d32629303f8f39362a4099481f48646aed042fIan Rogers return compiler_->WriteElf(file, oat_writer, dex_files, android_root, is_host); 2099265091e581c9f643b37e7966890911f09e223269Brian Carlstrom} 21001212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 21013d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_triple, 21023d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_cpu, 21033d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_attr) { 2104265091e581c9f643b37e7966890911f09e223269Brian Carlstrom switch (instruction_set) { 2105700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kThumb2: 21063d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "thumb-none-linux-gnueabi"; 21073d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 21083d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2109700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2110700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2111700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kArm: 21123d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "armv7-none-linux-gnueabi"; 2113700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Nexus S. 21143d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 2115700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Xoom. 21163d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2117700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2118700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2119700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kX86: 21203d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "i386-pc-linux-gnu"; 21213d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = ""; 2122700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2123700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 21246a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko case kX86_64: 21256a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_triple = "x86_64-pc-linux-gnu"; 21266a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_attr = ""; 21276a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko break; 21286a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko 2129700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kMips: 21303d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "mipsel-unknown-linux"; 21313d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "mips32r2"; 2132700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2133700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2134700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom default: 2135700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2136700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 2137700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 213839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 213939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allisonbool CompilerDriver::SkipCompilation(const std::string& method_name) { 2140c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle if (!profile_present_) { 2141644789fa0e807a9aa6d6e32d36ce039ec7318a7fDave Allison return false; 214239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2143bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle // First find the method in the profile file. 2144bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle ProfileFile::ProfileData data; 2145bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle if (!profile_file_.GetProfileData(&data, method_name)) { 214639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Not in profile, no information can be determined. 214708f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (kIsDebugBuild) { 214808f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle VLOG(compiler) << "not compiling " << method_name << " because it's not in the profile"; 214908f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } 215039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return true; 215139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 2152bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle 2153bb0b53f58f11c628f077603b56077dfed1a18f11Calin Juravle // Methods that comprise top_k_threshold % of the total samples will be compiled. 2154f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Compare against the start of the topK percentage bucket just in case the threshold 215504ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle // falls inside a bucket. 2156c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle bool compile = data.GetTopKUsedPercentage() - data.GetUsedPercent() 2157c1b643cc6ac45dbd0eabdcd7425c7e86006c27d6Calin Juravle <= compiler_options_->GetTopKProfileThreshold(); 215808f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (kIsDebugBuild) { 215908f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle if (compile) { 216008f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle LOG(INFO) << "compiling method " << method_name << " because its usage is part of top " 216108f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << data.GetTopKUsedPercentage() << "% with a percent of " << data.GetUsedPercent() << "%" 216208f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << " (topKThreshold=" << compiler_options_->GetTopKProfileThreshold() << ")"; 216308f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } else { 216408f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle VLOG(compiler) << "not compiling method " << method_name 216508f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << " because it's not part of leading " << compiler_options_->GetTopKProfileThreshold() 216608f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle << "% samples)"; 216708f7a2d06b915a5e21ded648d9feee519afd2f76Calin Juravle } 216839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 216939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return !compile; 217039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison} 21719ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} // namespace art 2172