compiler_driver.cc revision 644789fa0e807a9aa6d6e32d36ce039ec7318a7f
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" 28b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray#include "compiler.h" 29be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko#include "compiler_driver-inl.h" 3089756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogers#include "dex_compilation_unit.h" 314f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "dex_file-inl.h" 32c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko#include "dex/verification_results.h" 332730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko#include "dex/verified_method.h" 342bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "dex/quick/dex_file_method_inliner.h" 35ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell#include "driver/compiler_options.h" 369baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom#include "jni_internal.h" 376d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers#include "object_utils.h" 381f87008b165d26541d832ff805250afdc89c253dBrian Carlstrom#include "runtime.h" 391d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/card_table-inl.h" 401d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/accounting/heap_bitmap.h" 411d54e73444e017d3a65234e0f193846f3e27472bIan Rogers#include "gc/space/space.h" 42ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_field-inl.h" 43ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 442dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class_loader.h" 452dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class-inl.h" 4639ebcb800aabedd0ffa6aa4aeac8aa4194c66e61Ian Rogers#include "mirror/dex_cache-inl.h" 472dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object-inl.h" 482dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object_array-inl.h" 492dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/throwable.h" 5000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "scoped_thread_state_change.h" 5100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers#include "ScopedLocalRef.h" 52c645f1ddb7c40bea6a38eda4b3f83f6b6dec405bMathieu Chartier#include "sirt_ref-inl.h" 5350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#include "thread.h" 540e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier#include "thread_pool.h" 55848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers#include "trampolines/trampoline_compiler.h" 56d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz#include "transaction.h" 57776ac1fa61237db645adb4370a4aab888530caf4Ian Rogers#include "verifier/method_verifier.h" 582bc47809febcf36369dd40877b8226318642b428Vladimir Marko#include "verifier/method_verifier-inl.h" 599ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 6004ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle#ifdef HAVE_ANDROID_OS 6104ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle#include "cutils/properties.h" 6204ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle#endif 6304ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle 649ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstromnamespace art { 659ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 66996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic double Percentage(size_t x, size_t y) { 67398f64b5805246765b699839b439e18c0dfbf2eeElliott Hughes return 100.0 * (static_cast<double>(x)) / (static_cast<double>(x + y)); 68996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 69996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 70996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogersstatic void DumpStat(size_t x, size_t y, const char* str) { 71996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (x == 0 && y == 0) { 72996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return; 73996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 74e732ef1c0192acd71925bd0ff1ab09640d45531dIan Rogers LOG(INFO) << Percentage(x, y) << "% of " << str << " for " << (x + y) << " cases"; 75996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers} 76996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 77f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markoclass CompilerDriver::AOTCompilationStats { 78c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers public: 79ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers AOTCompilationStats() 80ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers : stats_lock_("AOT compilation statistics lock"), 81ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers types_in_dex_cache_(0), types_not_in_dex_cache_(0), 82ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers strings_in_dex_cache_(0), strings_not_in_dex_cache_(0), 83ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_types_(0), unresolved_types_(0), 84ca190666fb11820153f74274c495ba1f913d8a69Ian Rogers resolved_instance_fields_(0), unresolved_instance_fields_(0), 8502c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal resolved_local_static_fields_(0), resolved_static_fields_(0), unresolved_static_fields_(0), 86fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_(0), 87fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_(0), not_safe_casts_(0) { 882ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 89c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[i] = 0; 90c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[i] = 0; 912ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[i] = 0; 922ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[i] = 0; 932ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[i] = 0; 94b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes } 95c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 96c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 97c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void Dump() { 98c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(types_in_dex_cache_, types_not_in_dex_cache_, "types known to be in dex cache"); 99c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(strings_in_dex_cache_, strings_not_in_dex_cache_, "strings known to be in dex cache"); 100c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_types_, unresolved_types_, "types resolved"); 101c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_instance_fields_, unresolved_instance_fields_, "instance fields resolved"); 102c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_ + resolved_static_fields_, unresolved_static_fields_, 103c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields resolved"); 104c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_local_static_fields_, resolved_static_fields_ + unresolved_static_fields_, 105c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers "static fields local to a class"); 106fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(safe_casts_, not_safe_casts_, "check-casts removed based on type information"); 107fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // Note, the code below subtracts the stat value so that when added to the stat value we have 108fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // 100% of samples. TODO: clean this up. 109fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers DumpStat(type_based_devirtualization_, 110fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kVirtual] + unresolved_methods_[kVirtual] + 111fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers resolved_methods_[kInterface] + unresolved_methods_[kInterface] - 112fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers type_based_devirtualization_, 113fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers "virtual/interface calls made direct based on type information"); 114c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 1152ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers for (size_t i = 0; i <= kMaxInvokeType; i++) { 116c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers std::ostringstream oss; 1172ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss << static_cast<InvokeType>(i) << " methods were AOT resolved"; 118c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DumpStat(resolved_methods_[i], unresolved_methods_[i], oss.str().c_str()); 1192ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (virtual_made_direct_[i] > 0) { 1202ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1212ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " methods made direct"; 1222ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(virtual_made_direct_[i], 1232ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - virtual_made_direct_[i], 1242ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1252ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1262ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_calls_to_boot_[i] > 0) { 1272ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls are direct into boot"; 1292ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_calls_to_boot_[i], 1302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_calls_to_boot_[i], 1312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1322ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers if (direct_methods_to_boot_[i] > 0) { 1342ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers std::ostringstream oss2; 1352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2 << static_cast<InvokeType>(i) << " method calls have methods in boot"; 1362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DumpStat(direct_methods_to_boot_[i], 1372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers resolved_methods_[i] + unresolved_methods_[i] - direct_methods_to_boot_[i], 1382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers oss2.str().c_str()); 1392ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 140c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 141c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 142996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 14350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers// Allow lossy statistics in non-debug builds. 144996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#ifndef NDEBUG 14550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers#define STATS_LOCK() MutexLock mu(Thread::Current(), stats_lock_) 146996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#else 147996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#define STATS_LOCK() 148996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers#endif 149996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 150c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeInDexCache() { 151c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 152c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_in_dex_cache_++; 153c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 154996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 155c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNotInDexCache() { 156c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 157c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers types_not_in_dex_cache_++; 158c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 159996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 160c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringInDexCache() { 161c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 162c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_in_dex_cache_++; 163c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 164996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 165c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void StringNotInDexCache() { 166c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 167c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers strings_not_in_dex_cache_++; 168c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 169996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 170c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeDoesntNeedAccessCheck() { 171c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 172c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_types_++; 173c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 174996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 175c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void TypeNeedsAccessCheck() { 176c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 177c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_types_++; 178c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 179996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 180c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedInstanceField() { 181c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 182c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_instance_fields_++; 183c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 184996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 185b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes void UnresolvedInstanceField() { 186c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 187c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_instance_fields_++; 188c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 189996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 190c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedLocalStaticField() { 191c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 192c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_local_static_fields_++; 193c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 194996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 195c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedStaticField() { 196c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 197c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_static_fields_++; 198c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 199996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 200c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedStaticField() { 201c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 202c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_static_fields_++; 203c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers } 204996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 205e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that type information from the verifier led to devirtualization. 20602c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal void PreciseTypeDevirtualization() { 20702c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal STATS_LOCK(); 20802c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal type_based_devirtualization_++; 20902c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal } 210e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers 211e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was resolved at compile time. 212c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void ResolvedMethod(InvokeType type) { 213c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 214c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 215c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers resolved_methods_[type]++; 216996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 217996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 218e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was unresolved at compile time as it was in an 219e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // unknown dex file. 220c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers void UnresolvedMethod(InvokeType type) { 221c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers DCHECK_LE(type, kMaxInvokeType); 222c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers STATS_LOCK(); 223c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers unresolved_methods_[type]++; 224996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 225c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 226e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a type of virtual method dispatch has been converted into a direct method 227e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // dispatch. 2282ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void VirtualMadeDirect(InvokeType type) { 229e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers DCHECK(type == kVirtual || type == kInterface || type == kSuper); 2302ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2312ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers virtual_made_direct_[type]++; 2322ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2332ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 234e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to call directly into boot. 2352ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectCallsToBoot(InvokeType type) { 2362ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 2372ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers STATS_LOCK(); 2382ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_calls_to_boot_[type]++; 2392ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 2402ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 241e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers // Indicate that a method of the given type was able to be resolved directly from boot. 2422ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers void DirectMethodsToBoot(InvokeType type) { 2432ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers DCHECK_LE(type, kMaxInvokeType); 244fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers STATS_LOCK(); 2452ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers direct_methods_to_boot_[type]++; 246fb6adba0d5d5505610fbd325e7911db700a2f1e8Ian Rogers } 2472ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 248f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko void ProcessedInvoke(InvokeType type, int flags) { 249f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko STATS_LOCK(); 250f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (flags == 0) { 251f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko unresolved_methods_[type]++; 252f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 253f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_NE((flags & kFlagMethodResolved), 0); 254f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_methods_[type]++; 255f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagVirtualMadeDirect) != 0) { 256f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko virtual_made_direct_[type]++; 257f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagPreciseTypeDevirtualization) != 0) { 258f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko type_based_devirtualization_++; 259f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 260f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 261f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK_EQ((flags & kFlagPreciseTypeDevirtualization), 0); 262f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 263f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectCallToBoot) != 0) { 264f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_calls_to_boot_[type]++; 265f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 266f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if ((flags & kFlagDirectMethodToBoot) != 0) { 267f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko direct_methods_to_boot_[type]++; 268f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 269f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 270f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 271f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 272fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast could be eliminated due to verifier type analysis. 273fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void SafeCast() { 274fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 275fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers safe_casts_++; 276fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 277fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 278fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers // A check-cast couldn't be eliminated due to verifier type analysis. 279fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers void NotASafeCast() { 280fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers STATS_LOCK(); 281fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers not_safe_casts_++; 282fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 283fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 284c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers private: 285c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers Mutex stats_lock_; 286c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 287c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_in_dex_cache_; 288c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t types_not_in_dex_cache_; 289c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 290c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_in_dex_cache_; 291c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t strings_not_in_dex_cache_; 292c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 293c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_types_; 294c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_types_; 295c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 296c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_instance_fields_; 297c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_instance_fields_; 298c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 299c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_local_static_fields_; 300c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_static_fields_; 301c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_static_fields_; 30202c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal // Type based devirtualization for invoke interface and virtual. 30302c42237741b5573f9d790a5a0f17f408dceb543Sameer Abu Asal size_t type_based_devirtualization_; 304c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 305c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t resolved_methods_[kMaxInvokeType + 1]; 306c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers size_t unresolved_methods_[kMaxInvokeType + 1]; 3072ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t virtual_made_direct_[kMaxInvokeType + 1]; 3082ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_calls_to_boot_[kMaxInvokeType + 1]; 3092ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers size_t direct_methods_to_boot_[kMaxInvokeType + 1]; 310c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers 311fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t safe_casts_; 312fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers size_t not_safe_casts_; 313fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 314b25c3f6a86dc634ce44fb2849385b49465caa84dElliott Hughes DISALLOW_COPY_AND_ASSIGN(AOTCompilationStats); 315c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers}; 316996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers 31751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 31851c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstromextern "C" art::CompiledMethod* ArtCompileDEX(art::CompilerDriver& compiler, 31951c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile::CodeItem* code_item, 32051c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t access_flags, 32151c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::InvokeType invoke_type, 3228b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx, 32351c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom uint32_t method_idx, 32451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom jobject class_loader, 32551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const art::DexFile& dex_file); 32651c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom 3276449c62e40ef3a9bb75f664f922555affb532ee4Brian CarlstromCompilerDriver::CompilerDriver(const CompilerOptions* compiler_options, 3286449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom VerificationResults* verification_results, 3295816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko DexFileToMethodInlinerMap* method_inliner_map, 330b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray Compiler::Kind compiler_kind, 331f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray InstructionSet instruction_set, 3327020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison InstructionSetFeatures instruction_set_features, 333a024a0686c3b0fea13f362bff70d65981e5febc5buzbee bool image, DescriptorSet* image_classes, size_t thread_count, 33439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison bool dump_stats, bool dump_passes, CumulativeLogger* timer, 33539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison std::string profile_file) 33639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison : profile_ok_(false), compiler_options_(compiler_options), 3376449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom verification_results_(verification_results), 3385816ed48bc339c983b40dc493e96b97821ce7966Vladimir Marko method_inliner_map_(method_inliner_map), 339b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiler_(Compiler::Create(compiler_kind)), 340c531cefbfb5394413122e9f57d211ba436cff012buzbee instruction_set_(instruction_set), 3417020278bce98a0735dc6abcbd33bdf1ed2634f1dDave Allison instruction_set_features_(instruction_set_features), 342dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers instruction_set_is_64_bit_(instruction_set == kX86_64 || instruction_set == kArm64), 343fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_lock_("freezing constructor lock"), 344c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_classes_lock_("compiled classes lock"), 345c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes compiled_methods_lock_("compiled method lock"), 346aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom image_(image), 34796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes_(image_classes), 3485523ee070b005576c6f889415205d49ea77cf243Elliott Hughes thread_count_(thread_count), 34900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers start_ns_(0), 350c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_(new AOTCompilationStats), 351ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom dump_stats_(dump_stats), 352ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray dump_passes_(dump_passes), 353ea3fa0b4ba13d7bd7f7c1cd85202ccbe141a35aeNicolas Geoffray timings_logger_(timer), 354b3bd5f07884f5a1f2b84224363b1372d7c28d447Elliott Hughes compiler_library_(NULL), 3556f4976c1a9fdaf108974143cd11e6b46037fd24eElliott Hughes compiler_context_(NULL), 356e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers compiler_enable_auto_elf_loading_(NULL), 35796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom compiler_get_method_code_addr_(NULL), 35855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell support_boot_image_fixup_(instruction_set != kMips), 359ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell cfi_info_(nullptr), 360d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_code_("dedupe code"), 361d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_mapping_table_("dedupe mapping table"), 362d133b97b1ccae88f6ee7040e288fd7a239ee4492Ian Rogers dedupe_vmap_table_("dedupe vmap table"), 363ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_gc_map_("dedupe gc map"), 364ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell dedupe_cfi_info_("dedupe cfi info") { 3656449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(compiler_options_ != nullptr); 3666449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(verification_results_ != nullptr); 3676449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom DCHECK(method_inliner_map_ != nullptr); 3682ce745c06271d5223d57dbf08117b20d5b60694aBrian Carlstrom 3694df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CHECK_PTHREAD_CALL(pthread_key_create, (&tls_key_, NULL), "compiler tls key"); 3704df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 37139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Read the profile file if one is provided. 37239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (profile_file != "") { 3739dae5b4b952824da45e9fd9c12cfcde9858f0974Calin Juravle profile_ok_ = ProfileHelper::LoadProfileMap(profile_map_, profile_file); 37439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 37539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 37675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compiler_ = reinterpret_cast<DexToDexCompilerFn>(ArtCompileDEX); 3772d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 378b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiler_->Init(*this); 37900bc1dc4f81268d78d7dfeb298b85c56876425a9Brian Carlstrom 38025c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom CHECK(!Runtime::Current()->IsStarted()); 381ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom if (!image_) { 38296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CHECK(image_classes_.get() == NULL); 383ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 384ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 385ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell // Are we generating CFI information? 386ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (compiler_options->GetGenerateGDBInformation()) { 387b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray cfi_info_.reset(compiler_->GetCallFrameInformationInitialization(*this)); 388ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 389c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao} 390c486c11a1c71ca9c118d57152427b741229cda49Shih-wei Liao 391193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateCode(const std::vector<uint8_t>& code) { 392193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_code_.Add(Thread::Current(), code); 393193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 394193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 395193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateMappingTable(const std::vector<uint8_t>& code) { 396193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_mapping_table_.Add(Thread::Current(), code); 397193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 398193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 399193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateVMapTable(const std::vector<uint8_t>& code) { 400193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_vmap_table_.Add(Thread::Current(), code); 401193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 402193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 403193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartierstd::vector<uint8_t>* CompilerDriver::DeduplicateGCMap(const std::vector<uint8_t>& code) { 404193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier return dedupe_gc_map_.Add(Thread::Current(), code); 405193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier} 406193bad9b9cfd10642043fa2ebbfc68bd5f9ede4bMathieu Chartier 407ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendellstd::vector<uint8_t>* CompilerDriver::DeduplicateCFIInfo(const std::vector<uint8_t>* cfi_info) { 408ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell if (cfi_info == nullptr) { 409ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return nullptr; 410ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell } 411ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell return dedupe_cfi_info_.Add(Thread::Current(), *cfi_info); 412ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell} 413ae9fd93c39a341e2dffe15c61cc7d9e841fa92c4Mark Mendell 4141212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerDriver::~CompilerDriver() { 41550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 416c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 41750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_classes_lock_); 418c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_classes_); 419c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 420c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 422c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes STLDeleteValues(&compiled_methods_); 423c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes } 424c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes { 42550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 426f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&code_to_patch_); 427f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 428f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom { 42950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 430f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom STLDeleteElements(&methods_to_patch_); 431f582258f0e296223a091fd64231a203ad71e9649Brian Carlstrom } 432be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi { 433be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(self, compiled_methods_lock_); 434be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi STLDeleteElements(&classes_to_patch_); 435be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 436ed6d5ed3494648780b9e91422c90d6bc22c16b79Mathieu Chartier CHECK_PTHREAD_CALL(pthread_key_delete, (tls_key_), "delete tls key"); 437b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiler_->UnInit(*this); 4383320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom} 4393320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 4401212a022fa5f8ef9585d765b1809521812af882cIan RogersCompilerTls* CompilerDriver::GetTls() { 4414df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee // Lazily create thread-local storage 4424df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CompilerTls* res = static_cast<CompilerTls*>(pthread_getspecific(tls_key_)); 4434df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee if (res == NULL) { 4444df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee res = new CompilerTls(); 4454df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee CHECK_PTHREAD_CALL(pthread_setspecific, (tls_key_, res), "compiler tls"); 4464df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee } 4474df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee return res; 4484df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee} 4494df2bbdfe6602ce5f141b7b44028b95faa0bd8efbuzbee 450dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers#define CREATE_TRAMPOLINE(type, abi, offset) \ 451dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers if (instruction_set_is_64_bit_) { \ 452dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers return CreateTrampoline64(instruction_set_, abi, \ 453dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers type ## _ENTRYPOINT_OFFSET(8, offset)); \ 454dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } else { \ 455dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers return CreateTrampoline32(instruction_set_, abi, \ 456dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers type ## _ENTRYPOINT_OFFSET(4, offset)); \ 457dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers } 458dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers 459848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToInterpreterBridge() const { 460dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(INTERPRETER, kInterpreterAbi, pInterpreterToInterpreterBridge) 461848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 462848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 463848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateInterpreterToCompiledCodeBridge() const { 464dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(INTERPRETER, kInterpreterAbi, pInterpreterToCompiledCodeBridge) 465848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 466848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 467848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateJniDlsymLookup() const { 468dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(JNI, kJniAbi, pDlsymLookup) 469848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers} 470848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogers 47188474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableImtConflictTrampoline() const { 472dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableImtConflictTrampoline) 47388474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 47488474b416eb257078e590bf9bc7957cee604a186Jeff Hao 4750aba0ba155bef7346bde19e53581200b89ae8a7aJeff Haoconst std::vector<uint8_t>* CompilerDriver::CreatePortableResolutionTrampoline() const { 476dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableResolutionTrampoline) 4770aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4780aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 479848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreatePortableToInterpreterBridge() const { 480dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(PORTABLE, kPortableAbi, pPortableToInterpreterBridge) 4810aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4820aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 4832da882315a61072664f7ce3c212307342e907207Andreas Gampeconst std::vector<uint8_t>* CompilerDriver::CreateQuickGenericJniTrampoline() const { 484dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickGenericJniTrampoline) 4852da882315a61072664f7ce3c212307342e907207Andreas Gampe} 4862da882315a61072664f7ce3c212307342e907207Andreas Gampe 48788474b416eb257078e590bf9bc7957cee604a186Jeff Haoconst std::vector<uint8_t>* CompilerDriver::CreateQuickImtConflictTrampoline() const { 488dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickImtConflictTrampoline) 48988474b416eb257078e590bf9bc7957cee604a186Jeff Hao} 49088474b416eb257078e590bf9bc7957cee604a186Jeff Hao 491848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickResolutionTrampoline() const { 492dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickResolutionTrampoline) 4930aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 4940aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 495848871b4d8481229c32e0d048a9856e5a9a17ef9Ian Rogersconst std::vector<uint8_t>* CompilerDriver::CreateQuickToInterpreterBridge() const { 496dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers CREATE_TRAMPOLINE(QUICK, kQuickAbi, pQuickToInterpreterBridge) 4970aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao} 498dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers#undef CREATE_TRAMPOLINE 4990aba0ba155bef7346bde19e53581200b89ae8a7aJeff Hao 5001212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileAll(jobject class_loader, 5014560248d4c85cade7f4fc7b30c3fb41b95a04a7fBrian Carlstrom const std::vector<const DexFile*>& dex_files, 5023d504075f7c1204d581923460754bf6d3714b13fIan Rogers TimingLogger* timings) { 50325c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 504bcd5e9daecad39f0dab3246808b4835caec29ea6Mathieu Chartier UniquePtr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", thread_count_ - 1)); 5053d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(class_loader, dex_files, thread_pool.get(), timings); 5063d504075f7c1204d581923460754bf6d3714b13fIan Rogers Compile(class_loader, dex_files, thread_pool.get(), timings); 507ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom if (dump_stats_) { 508ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom stats_->Dump(); 509ba0668ecd2a6459ed7c77012995ad08d27f88725Brian Carlstrom } 5108a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom} 5118a48741b96ca9cc5835cac72ac133c4ca480930fBrian Carlstrom 512590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierstatic DexToDexCompilationLevel GetDexToDexCompilationlevel( 5139837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers Thread* self, SirtRef<mirror::ClassLoader>& class_loader, const DexFile& dex_file, 514590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const DexFile::ClassDef& class_def) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 5152d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const char* descriptor = dex_file.GetClassDescriptor(class_def); 5162d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 5179837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers mirror::Class* klass = class_linker->FindClass(self, descriptor, class_loader); 5182d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz if (klass == NULL) { 5192d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz CHECK(self->IsExceptionPending()); 5202d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->ClearException(); 52175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 52275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } 52375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // The verifier can only run on "quick" instructions at runtime (see usage of 52475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // FindAccessedFieldAtDexPc and FindInvokedMethodAtDexPc in ThrowNullPointerExceptionFromDexPC 52575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // function). Since image classes can be verified again while compiling an application, 52675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // we must prevent the DEX-to-DEX compiler from introducing them. 52775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // TODO: find a way to enable "quick" instructions for image classes and remove this check. 528590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier bool compiling_image_classes = class_loader.get() == nullptr; 52975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz if (compiling_image_classes) { 53075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kRequired; 53175021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else if (klass->IsVerified()) { 53275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class is verified so we can enable DEX-to-DEX compilation for performance. 53375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kOptimize; 53475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else if (klass->IsCompileTimeVerified()) { 53575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has soft-failed. Anyway, ensure at least correctness. 53675021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DCHECK_EQ(klass->GetStatus(), mirror::Class::kStatusRetryVerificationAtRuntime); 53775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kRequired; 53875021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz } else { 53975021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz // Class verification has failed: do not run DEX-to-DEX compilation. 54075021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz return kDontDexToDexCompile; 5412d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 5422d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz} 5432d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz 5443d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::CompileOne(mirror::ArtMethod* method, TimingLogger* timings) { 54525c3325bf95036bf325fc7cb21b4fd6d40282857Brian Carlstrom DCHECK(!Runtime::Current()->IsStarted()); 54600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* self = Thread::Current(); 5472d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jobject jclass_loader; 54800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* dex_file; 5498b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_idx; 550ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t method_idx = method->GetDexMethodIndex(); 551ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers uint32_t access_flags = method->GetAccessFlags(); 552ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers InvokeType invoke_type = method->GetInvokeType(); 55300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 55400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccessUnchecked soa(self); 55500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedLocalRef<jobject> 55600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers local_class_loader(soa.Env(), 55700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers soa.AddLocalReference<jobject>(method->GetDeclaringClass()->GetClassLoader())); 5582d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jclass_loader = soa.Env()->NewGlobalRef(local_class_loader.get()); 55900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // Find the dex_file 560fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers MethodHelper mh(method); 561fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers dex_file = &mh.GetDexFile(); 562fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers class_def_idx = mh.GetClassDefIndex(); 56300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 564ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers const DexFile::CodeItem* code_item = dex_file->GetCodeItem(method->GetCodeItemOffset()); 56500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromRunnableToSuspended(kNative); 566ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 567ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom std::vector<const DexFile*> dex_files; 56800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers dex_files.push_back(dex_file); 569ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 570bcd5e9daecad39f0dab3246808b4835caec29ea6Mathieu Chartier UniquePtr<ThreadPool> thread_pool(new ThreadPool("Compiler driver thread pool", 0U)); 5713d504075f7c1204d581923460754bf6d3714b13fIan Rogers PreCompile(jclass_loader, dex_files, thread_pool.get(), timings); 572ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5732d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 57475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 5752d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 5762d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 5772d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile::ClassDef& class_def = dex_file->GetClassDef(class_def_idx); 578590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 579590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Decode<mirror::ClassLoader*>(jclass_loader)); 5809837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(self, class_loader, *dex_file, 5819837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 5822d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 583ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers CompileMethod(code_item, access_flags, invoke_type, class_def_idx, method_idx, jclass_loader, 584ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers *dex_file, dex_to_dex_compilation_level); 585ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5862d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz self->GetJniEnv()->DeleteGlobalRef(jclass_loader); 58700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 58800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers self->TransitionFromSuspendedToRunnable(); 5899ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 5909ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 5911212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Resolve(jobject class_loader, const std::vector<const DexFile*>& dex_files, 5923d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 593ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 594ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 5959ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom CHECK(dex_file != NULL); 5962f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom ResolveDexFile(class_loader, *dex_file, thread_pool, timings); 5979ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 5989ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 5999ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 6001212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::PreCompile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 6013d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 60296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LoadImageClasses(timings); 60396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 6044a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsVerificationEnabled()) { 6054a200f56b7075309316b04d550c9cc50f8314eddJeff Hao VLOG(compiler) << "Verify none mode specified, skipping pre-compilation"; 6064a200f56b7075309316b04d550c9cc50f8314eddJeff Hao return; 6074a200f56b7075309316b04d550c9cc50f8314eddJeff Hao } 6084a200f56b7075309316b04d550c9cc50f8314eddJeff Hao 6092f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Resolve(class_loader, dex_files, thread_pool, timings); 610601a12302407d8199503d2cc6cc0829d5996696dElliott Hughes 6112f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom Verify(class_loader, dex_files, thread_pool, timings); 612ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 6132f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom InitializeClasses(class_loader, dex_files, thread_pool, timings); 61496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 61596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom UpdateImageClasses(timings); 616ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 617ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 618dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogersbool CompilerDriver::IsImageClass(const char* descriptor) const { 619e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 62096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 621e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 622dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers return image_classes_->find(descriptor) != image_classes_->end(); 623ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom } 624ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 625ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 62696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic void ResolveExceptionsForMethod(MethodHelper* mh, 62796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::set<std::pair<uint16_t, const DexFile*> >& exceptions_to_resolve) 62896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 62996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const DexFile::CodeItem* code_item = mh->GetCodeItem(); 63096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item == NULL) { 63196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // native or abstract method 63296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 63396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (code_item->tries_size_ == 0) { 63496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; // nothing to process 63596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 63696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const byte* encoded_catch_handler_list = DexFile::GetCatchHandlerData(*code_item, 0); 63796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom size_t num_encoded_catch_handlers = DecodeUnsignedLeb128(&encoded_catch_handler_list); 63896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < num_encoded_catch_handlers; i++) { 63996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom int32_t encoded_catch_handler_size = DecodeSignedLeb128(&encoded_catch_handler_list); 64096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom bool has_catch_all = false; 64196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (encoded_catch_handler_size <= 0) { 64296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom encoded_catch_handler_size = -encoded_catch_handler_size; 64396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom has_catch_all = true; 64496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 64596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (int32_t j = 0; j < encoded_catch_handler_size; j++) { 64696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom uint16_t encoded_catch_handler_handlers_type_idx = 64796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 64896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Add to set of types to resolve if not already in the dex cache resolved types 64996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (!mh->IsResolvedTypeIdx(encoded_catch_handler_handlers_type_idx)) { 65096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom exceptions_to_resolve.insert( 65196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::pair<uint16_t, const DexFile*>(encoded_catch_handler_handlers_type_idx, 65296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom &mh->GetDexFile())); 65396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore address associated with catch handler 65596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 65696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 65796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (has_catch_all) { 65896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // ignore catch all address 65996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DecodeUnsignedLeb128(&encoded_catch_handler_list); 66096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 66296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 66396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 66496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool ResolveCatchBlockExceptionsClassVisitor(mirror::Class* c, void* arg) 66596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 66696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::set<std::pair<uint16_t, const DexFile*> >* exceptions_to_resolve = 66796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom reinterpret_cast<std::set<std::pair<uint16_t, const DexFile*> >*>(arg); 66896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MethodHelper mh; 66996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumVirtualMethods(); ++i) { 670ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = c->GetVirtualMethod(i); 67196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom mh.ChangeMethod(m); 67296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 67396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 67496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < c->NumDirectMethods(); ++i) { 675ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* m = c->GetDirectMethod(i); 67696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom mh.ChangeMethod(m); 67796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ResolveExceptionsForMethod(&mh, *exceptions_to_resolve); 67896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 67996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 68096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 68196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 68296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic bool RecordImageClassesVisitor(mirror::Class* klass, void* arg) 68396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 68496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CompilerDriver::DescriptorSet* image_classes = 68596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom reinterpret_cast<CompilerDriver::DescriptorSet*>(arg); 68696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes->insert(ClassHelper(klass).GetDescriptor()); 68796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return true; 68896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 68996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 69096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom// Make a list of descriptors for classes to include in the image 6913d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::LoadImageClasses(TimingLogger* timings) 69296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOCKS_EXCLUDED(Locks::mutator_lock_) { 693e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (!IsImage()) { 69496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; 69596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 69696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 6973d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("LoadImageClasses"); 69896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Make a first class to load all classes explicitly listed in the file 69996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom Thread* self = Thread::Current(); 70096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ScopedObjectAccess soa(self); 70196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 70202e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (auto it = image_classes_->begin(), end = image_classes_->end(); it != end;) { 703e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko const std::string& descriptor(*it); 7049837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers SirtRef<mirror::Class> klass(self, class_linker->FindSystemClass(self, descriptor.c_str())); 70596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass.get() == NULL) { 706e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers VLOG(compiler) << "Failed to find class " << descriptor; 707e9c36b34efb7460f59c6766e526c9b0de8da70b3Vladimir Marko image_classes_->erase(it++); 708a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers self->ClearException(); 70996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } else { 71096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ++it; 71196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 71296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 71396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 71496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolve exception classes referenced by the loaded classes. The catch logic assumes 71596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // exceptions are resolved by the verifier when there is a catch block in an interested method. 71696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Do this here so that exception classes appear to have been specified image classes. 71796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::set<std::pair<uint16_t, const DexFile*> > unresolved_exception_types; 71896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SirtRef<mirror::Class> java_lang_Throwable(self, 7199837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_linker->FindSystemClass(self, "Ljava/lang/Throwable;")); 72096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom do { 72196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom unresolved_exception_types.clear(); 72296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(ResolveCatchBlockExceptionsClassVisitor, 72396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom &unresolved_exception_types); 72402e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier for (const std::pair<uint16_t, const DexFile*>& exception_type : unresolved_exception_types) { 72502e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier uint16_t exception_type_idx = exception_type.first; 72602e25119b15a6f619f17db99f5d05124a5807ff3Mathieu Chartier const DexFile* dex_file = exception_type.second; 727590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(self, class_linker->FindDexCache(*dex_file)); 728590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(self, nullptr); 72996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SirtRef<mirror::Class> klass(self, class_linker->ResolveType(*dex_file, exception_type_idx, 73096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom dex_cache, class_loader)); 73196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass.get() == NULL) { 73296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const DexFile::TypeId& type_id = dex_file->GetTypeId(exception_type_idx); 73396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const char* descriptor = dex_file->GetTypeDescriptor(type_id); 73496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom LOG(FATAL) << "Failed to resolve class " << descriptor; 73596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 73696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(java_lang_Throwable->IsAssignableFrom(klass.get())); 73796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 73896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // Resolving exceptions may load classes that reference more exceptions, iterate until no 73996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // more are found 74096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } while (!unresolved_exception_types.empty()); 74196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 74296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // We walk the roots looking for classes so that we'll pick up the 74396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // above classes plus any classes them depend on such super 74496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom // classes, interfaces, and the required ClassLinker roots. 74596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom class_linker->VisitClasses(RecordImageClassesVisitor, image_classes_.get()); 74696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 74796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CHECK_NE(image_classes_->size(), 0U); 74896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 74996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 75096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromstatic void MaybeAddToImageClasses(mirror::Class* klass, CompilerDriver::DescriptorSet* image_classes) 75196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 75296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom while (!klass->IsObjectClass()) { 75396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom ClassHelper kh(klass); 75496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom const char* descriptor = kh.GetDescriptor(); 75596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom std::pair<CompilerDriver::DescriptorSet::iterator, bool> result = 75696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom image_classes->insert(descriptor); 75796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (result.second) { 75875a43f10f55e2aa550de51e969cc1e60d583b632Anwar Ghuloum VLOG(compiler) << "Adding " << descriptor << " to image classes"; 75996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } else { 76096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom return; 76196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 76296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom for (size_t i = 0; i < kh.NumDirectInterfaces(); ++i) { 76396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MaybeAddToImageClasses(kh.GetDirectInterface(i), image_classes); 76496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 76596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom if (klass->IsArrayClass()) { 76696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MaybeAddToImageClasses(klass->GetComponentType(), image_classes); 76796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 76896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom klass = klass->GetSuperClass(); 76996391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom } 77096391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 77196391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 77296391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstromvoid CompilerDriver::FindClinitImageClassesCallback(mirror::Object* object, void* arg) { 77396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(object != NULL); 77496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom DCHECK(arg != NULL); 77596391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom CompilerDriver* compiler_driver = reinterpret_cast<CompilerDriver*>(arg); 77696391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom MaybeAddToImageClasses(object->GetClass(), compiler_driver->image_classes_.get()); 77796391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 77896391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 7793d504075f7c1204d581923460754bf6d3714b13fIan Rogersvoid CompilerDriver::UpdateImageClasses(TimingLogger* timings) { 780e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 7813d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("UpdateImageClasses"); 7826f28d91aab952e3244fbb4e707fa38f85538f374Anwar Ghuloum 783e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Update image_classes_ with classes for objects created by <clinit> methods. 784e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers Thread* self = Thread::Current(); 785e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const char* old_cause = self->StartAssertNoThreadSuspension("ImageWriter"); 786e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers gc::Heap* heap = Runtime::Current()->GetHeap(); 787e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // TODO: Image spaces only? 788590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier ScopedObjectAccess soa(Thread::Current()); 789e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers WriterMutexLock mu(self, *Locks::heap_bitmap_lock_); 790590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier heap->VisitObjects(FindClinitImageClassesCallback, this); 791e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers self->EndAssertNoThreadSuspension(old_cause); 792e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 79396391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom} 79496391606d8adfc661e1c21703ded1e7a39377a76Brian Carlstrom 795590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartierbool CompilerDriver::CanAssumeTypeIsPresentInDexCache(const DexFile& dex_file, uint32_t type_idx) { 796fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers if (IsImage() && 797dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers IsImageClass(dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_))) { 7986fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers if (kIsDebugBuild) { 7996fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers ScopedObjectAccess soa(Thread::Current()); 8006fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8016fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8026fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers CHECK(resolved_class != NULL); 8036fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers } 804c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeInDexCache(); 8056fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return true; 806996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 807c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNotInDexCache(); 8086fe568e16cea80dfe9ccb856c138a75da5f2a90dIan Rogers return false; 809996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 8106d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers} 8116d4d9fcb4f01e287ee29e81cd1c941ee5d11d379Ian Rogers 8121212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAssumeStringIsPresentInDexCache(const DexFile& dex_file, 8131212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t string_idx) { 8141bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // See also Compiler::ResolveDexFile 8151bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8165f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers bool result = false; 8175f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers if (IsImage()) { 8185f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers // We resolve all const-string strings when building for the image. 81900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 820590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), Runtime::Current()->GetClassLinker()->FindDexCache(dex_file)); 8215f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers Runtime::Current()->GetClassLinker()->ResolveString(dex_file, string_idx, dex_cache); 8225f7fa551162b9e755fdaf054ffc89411a0e135e3Ian Rogers result = true; 82300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 824996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 825c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringInDexCache(); 826996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 827c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->StringNotInDexCache(); 828996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 829996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8301bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8311bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8321212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessTypeWithoutChecks(uint32_t referrer_idx, const DexFile& dex_file, 833c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers uint32_t type_idx, 834c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* type_known_final, bool* type_known_abstract, 835c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers bool* equals_referrers_class) { 836c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_final != NULL) { 837c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = false; 838c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 839c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_abstract != NULL) { 840c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_abstract = false; 841c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 842c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (equals_referrers_class != NULL) { 843c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = false; 844c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 84500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 8462dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8471bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier 8482dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8491bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (resolved_class == NULL) { 850c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8511bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 8521bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8531bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 854c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (equals_referrers_class != NULL) { 855c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *equals_referrers_class = (method_id.class_idx_ == type_idx); 856c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 8572dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 8581bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (referrer_class == NULL) { 859c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8601bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 8611bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8621bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access check, will return true if access is ok or false if we're going to have to 8631bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // check this at runtime (for example for class loaders). 864996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class); 865996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 866c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 867c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_final != NULL) { 868c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers *type_known_final = resolved_class->IsFinal() && !resolved_class->IsArrayClass(); 869c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 870c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers if (type_known_abstract != NULL) { 871b19fa800aab1c2731b12ff24696feca13901db3fIan Rogers *type_known_abstract = resolved_class->IsAbstract() && !resolved_class->IsArrayClass(); 872c9e463c8aa083a5ed20293f42363ebff93de5f84Ian Rogers } 873996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 874c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 875996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 876996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 8771bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 8781bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 8791212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::CanAccessInstantiableTypeWithoutChecks(uint32_t referrer_idx, 8801212a022fa5f8ef9585d765b1809521812af882cIan Rogers const DexFile& dex_file, 8811212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t type_idx) { 88200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 8832dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 8841bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Get type from dex cache assuming it was populated by the verifier. 8852dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 8861bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (resolved_class == NULL) { 887c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8881bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Unknown class needs access checks. 8891bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8901bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers const DexFile::MethodId& method_id = dex_file.GetMethodId(referrer_idx); 8912dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* referrer_class = dex_cache->GetResolvedType(method_id.class_idx_); 8921bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers if (referrer_class == NULL) { 893c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 8941bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers return false; // Incomplete referrer knowledge needs access check. 8951bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 8961bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // Perform access and instantiable checks, will return true if access is ok or false if we're 8971bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers // going to have to check this at runtime (for example for class loaders). 898996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers bool result = referrer_class->CanAccess(resolved_class) && resolved_class->IsInstantiable(); 899996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers if (result) { 900c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeDoesntNeedAccessCheck(); 901996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } else { 902c8b306f5221658c7e4b5516be8917dc8c9288e7eIan Rogers stats_->TypeNeedsAccessCheck(); 903996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers } 904996cc586ce76235ee3efa1eff86de51dabcc5d53Ian Rogers return result; 9051bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 9061bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 907be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchibool CompilerDriver::CanEmbedTypeInCode(const DexFile& dex_file, uint32_t type_idx, 908be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi bool* is_type_initialized, bool* use_direct_type_ptr, 909be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uintptr_t* direct_type_ptr) { 910be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi ScopedObjectAccess soa(Thread::Current()); 911be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::DexCache* dex_cache = Runtime::Current()->GetClassLinker()->FindDexCache(dex_file); 912be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi mirror::Class* resolved_class = dex_cache->GetResolvedType(type_idx); 913be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (resolved_class == nullptr) { 914be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 915be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 916be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 917be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (compiling_boot) { 918be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> boot class pointers. 919be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at boot compiling time. 920be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool is_image_class = IsImage() && IsImageClass( 921be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi dex_file.StringDataByIdx(dex_file.GetTypeId(type_idx).descriptor_idx_)); 922be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if pc relative load works. 923be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool support_boot_image_fixup = GetSupportBootImageFixup(); 924be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (is_image_class && support_boot_image_fixup) { 925be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 926be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *use_direct_type_ptr = false; 927be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = 0; 928be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 929be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 930be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 931be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 932be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 933be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // True if the class is in the image at app compiling time. 934be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi const bool class_in_image = 935be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi Runtime::Current()->GetHeap()->FindSpaceFromObject(resolved_class, false)->IsImageSpace(); 936be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi if (class_in_image) { 937be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // boot -> app class pointers. 938be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *is_type_initialized = resolved_class->IsInitialized(); 939be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *use_direct_type_ptr = true; 940be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi *direct_type_ptr = reinterpret_cast<uintptr_t>(resolved_class); 941be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return true; 942be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } else { 943be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // app -> app class pointers. 944be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // Give up because app does not have an image and class 945be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // isn't created at compile time. TODO: implement this 946be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi // if/when each app gets an image. 947be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi return false; 948be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 949be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi } 950be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 951be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi 952be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedInstanceField(bool resolved) { 953be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 954be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedInstanceField(); 955be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 956be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedInstanceField(); 957be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 958be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 959be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 960be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Markovoid CompilerDriver::ProcessedStaticField(bool resolved, bool local) { 961be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!resolved) { 962be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->UnresolvedStaticField(); 963be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else if (local) { 964be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedLocalStaticField(); 965be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } else { 966be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko stats_->ResolvedStaticField(); 967be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 968be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko} 969be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko 970f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Markovoid CompilerDriver::ProcessedInvoke(InvokeType invoke_type, int flags) { 971f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_->ProcessedInvoke(invoke_type, flags); 972a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 973a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 97489756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogersbool CompilerDriver::ComputeInstanceFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 975be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool is_put, MemberOffset* field_offset, 976be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool* is_volatile) { 97700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 978be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 979be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 980be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 981be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 982be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 983be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::DexCache> dex_cache_sirt(soa.Self(), 984be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile())); 985be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ClassLoader> class_loader_sirt(soa.Self(), 986be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader())); 987be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ArtField> resolved_field_sirt(soa.Self(), 988be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ResolveField(soa, dex_cache_sirt, class_loader_sirt, mUnit, field_idx, false)); 989be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko referrer_class = (resolved_field_sirt.get() != nullptr) 990be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache_sirt, class_loader_sirt, mUnit) : nullptr; 991be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko resolved_field = resolved_field_sirt.get(); 992be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache = dex_cache_sirt.get(); 9931bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 994be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool result = false; 995be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 996be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = IsFieldVolatile(resolved_field); 997be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastInstanceField( 998be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache, referrer_class, resolved_field, field_idx, field_offset); 999be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko result = is_put ? fast_path.second : fast_path.first; 1000be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1001be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!result) { 1002be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1003be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1004be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1005be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1006be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ProcessedInstanceField(result); 1007be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko return result; 10081bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10091bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 101089756f21c107d96e6d1bbc75811bd33078c8ceeeIan Rogersbool CompilerDriver::ComputeStaticFieldInfo(uint32_t field_idx, const DexCompilationUnit* mUnit, 1011be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool is_put, MemberOffset* field_offset, 1012be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko uint32_t* storage_index, bool* is_referrers_class, 1013be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool* is_volatile, bool* is_initialized) { 101400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1015be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Try to resolve the field and compiling method's class. 1016be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::ArtField* resolved_field; 1017be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::Class* referrer_class; 1018be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mirror::DexCache* dex_cache; 1019be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko { 1020be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::DexCache> dex_cache_sirt(soa.Self(), 1021be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile())); 1022be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ClassLoader> class_loader_sirt(soa.Self(), 1023be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader())); 1024be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko SirtRef<mirror::ArtField> resolved_field_sirt(soa.Self(), 1025be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ResolveField(soa, dex_cache_sirt, class_loader_sirt, mUnit, field_idx, true)); 1026be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko referrer_class = (resolved_field_sirt.get() != nullptr) 1027be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache_sirt, class_loader_sirt, mUnit) : nullptr; 1028be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko resolved_field = resolved_field_sirt.get(); 1029be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache = dex_cache_sirt.get(); 10301bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers } 1031be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko bool result = false; 1032be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (resolved_field != nullptr && referrer_class != nullptr) { 1033be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = IsFieldVolatile(resolved_field); 1034be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko std::pair<bool, bool> fast_path = IsFastStaticField( 1035be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko dex_cache, referrer_class, resolved_field, field_idx, field_offset, 1036be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko storage_index, is_referrers_class, is_initialized); 1037be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko result = is_put ? fast_path.second : fast_path.first; 1038be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1039be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko if (!result) { 1040be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko // Conservative defaults. 1041be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_volatile = true; 1042be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *field_offset = MemberOffset(static_cast<size_t>(-1)); 1043be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *storage_index = -1; 1044be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_referrers_class = false; 1045be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko *is_initialized = false; 1046be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko } 1047be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko ProcessedStaticField(result, *is_referrers_class); 1048be0e546730e532ef0987cd4bde2c6f5a1b14dd2aVladimir Marko return result; 10491bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers} 10501bddec3a6521f16df37499754000a3b1787a52e9Ian Rogers 105183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogersvoid CompilerDriver::GetCodeAndMethodForDirectCall(InvokeType* type, InvokeType sharp_type, 105283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool no_guarantee_of_dex_cache_entry, 10534f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers mirror::Class* referrer_class, 1054ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom mirror::ArtMethod* method, 1055f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int* stats_flags, 105683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers MethodReference* target_method, 105765ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_code, 105865ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1059137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For direct and static methods compute possible direct_code and direct_method values, ie 1060137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // an address for the Method* being invoked and an address of the code for that Method*. 1061137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // For interface calls compute a value for direct_method that is the interface method being 1062137e88f798857321f4007631fdf052d2830ec2c4Ian Rogers // invoked, so this can be passed to the out-of-line runtime support code. 106365ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_code = 0; 106465ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers *direct_method = 0; 106583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool use_dex_cache = false; 1066590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier const bool compiling_boot = Runtime::Current()->GetHeap()->IsCompilingBoot(); 1067b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray if (compiler_->IsPortable()) { 1068c531cefbfb5394413122e9f57d211ba436cff012buzbee if (sharp_type != kStatic && sharp_type != kDirect) { 1069c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1070c531cefbfb5394413122e9f57d211ba436cff012buzbee } 107183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1072c531cefbfb5394413122e9f57d211ba436cff012buzbee } else { 107388474b416eb257078e590bf9bc7957cee604a186Jeff Hao if (sharp_type != kStatic && sharp_type != kDirect) { 1074c531cefbfb5394413122e9f57d211ba436cff012buzbee return; 1075c531cefbfb5394413122e9f57d211ba436cff012buzbee } 107683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // TODO: support patching on all architectures. 107783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = compiling_boot && !support_boot_image_fixup_; 1078b8404a7de94c109e3c17b4205b5f8aaae996eb33TDYa } 107983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool method_code_in_boot = (method->GetDeclaringClass()->GetClassLoader() == nullptr); 108083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!use_dex_cache) { 108183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!method_code_in_boot) { 108283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 108383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 108483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool has_clinit_trampoline = 108583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers method->IsStatic() && !method->GetDeclaringClass()->IsInitialized(); 108683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (has_clinit_trampoline && (method->GetDeclaringClass() != referrer_class)) { 108783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Ensure we run the clinit trampoline unless we are invoking a static method in the same 108883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // class. 108983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 109083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 109183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 10922ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 1093f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (method_code_in_boot) { 1094f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *stats_flags |= kFlagDirectCallToBoot | kFlagDirectMethodToBoot; 10952ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 109683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (!use_dex_cache && compiling_boot) { 109783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers MethodHelper mh(method); 1098dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers if (!IsImageClass(mh.GetDeclaringClassDescriptor())) { 109983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // We can only branch directly to Methods that are resolved in the DexCache. 110083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Otherwise we won't invoke the resolution trampoline. 110183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers use_dex_cache = true; 1102e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1103c468e92d1e18305a5053c8a4a7c88cb297e525afIan Rogers } 110483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // The method is defined not within this dex file. We need a dex cache slot within the current 110583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // dex file or direct pointers. 110683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool must_use_direct_pointers = false; 110783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (target_method->dex_file == method->GetDeclaringClass()->GetDexCache()->GetDexFile()) { 110883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = method->GetDexMethodIndex(); 110983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 111083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (no_guarantee_of_dex_cache_entry) { 111183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // See if the method is also declared in this dex cache. 111283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers uint32_t dex_method_idx = MethodHelper(method).FindDexMethodIndexInOtherDexFile( 1113bbcc0c0a17262f3d2a70fc0a82e1783862f708ccVladimir Marko *target_method->dex_file, target_method->dex_method_index); 111483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (dex_method_idx != DexFile::kDexNoIndex) { 111583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = dex_method_idx; 111683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 111749161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao if (compiling_boot) { 111849161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_method_index = method->GetDexMethodIndex(); 111949161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 112049161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao } 112183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers must_use_direct_pointers = true; 11223fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 11233fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 112483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 112583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (use_dex_cache) { 112683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (must_use_direct_pointers) { 112783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Fail. Test above showed the only safe dispatch was via the dex cache, however, the direct 112883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // pointers are required as the dex cache lacks an appropriate entry. 112983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 113083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 113183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 113283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11333fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } else { 113483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (compiling_boot) { 113583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 113683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *direct_method = -1; 113788474b416eb257078e590bf9bc7957cee604a186Jeff Hao *direct_code = -1; 113883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 113983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers bool method_in_image = 114083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers Runtime::Current()->GetHeap()->FindSpaceFromObject(method, false)->IsImageSpace(); 114183883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers if (method_in_image) { 114288474b416eb257078e590bf9bc7957cee604a186Jeff Hao CHECK(!method->IsAbstract()); 114383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 114483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *direct_method = reinterpret_cast<uintptr_t>(method); 1145b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray *direct_code = compiler_->GetEntryPointOf(method); 114683883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_file = method->GetDeclaringClass()->GetDexCache()->GetDexFile(); 114783883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers target_method->dex_method_index = method->GetDexMethodIndex(); 114883883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else if (!must_use_direct_pointers) { 114983883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Set the code and rely on the dex cache for the method. 115083883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers *type = sharp_type; 1151b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray *direct_code = compiler_->GetEntryPointOf(method); 115283883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } else { 115383883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers // Direct pointers were required but none were available. 115483883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers VLOG(compiler) << "Dex cache devirtualization failed for: " << PrettyMethod(method); 115583883d7fddf30fdb8b6903560fa1337ab991e74cIan Rogers } 11563fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers } 11572ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers } 11582ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers} 11592ed3b9536ccfd7c7321cc18650820b093b22d6c9Ian Rogers 1160e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogersbool CompilerDriver::ComputeInvokeInfo(const DexCompilationUnit* mUnit, const uint32_t dex_pc, 116165ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers bool update_stats, bool enable_devirtualization, 116265ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers InvokeType* invoke_type, MethodReference* target_method, 116365ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers int* vtable_idx, uintptr_t* direct_code, 116465ec92cf13c9d11c83711443a02e4249163d47f1Ian Rogers uintptr_t* direct_method) { 1165f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko InvokeType orig_invoke_type = *invoke_type; 1166f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko int stats_flags = 0; 116700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1168f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Try to resolve the method and compiling method's class. 1169f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::ArtMethod* resolved_method; 1170f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mirror::Class* referrer_class; 1171f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko SirtRef<mirror::DexCache> dex_cache(soa.Self(), 1172f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko mUnit->GetClassLinker()->FindDexCache(*mUnit->GetDexFile())); 1173f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 1174f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko soa.Decode<mirror::ClassLoader*>(mUnit->GetClassLoader())); 1175f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko { 1176f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko uint32_t method_idx = target_method->dex_method_index; 1177f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko SirtRef<mirror::ArtMethod> resolved_method_sirt(soa.Self(), 1178f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ResolveMethod(soa, dex_cache, class_loader, mUnit, method_idx, orig_invoke_type)); 1179f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko referrer_class = (resolved_method_sirt.get() != nullptr) 1180f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ? ResolveCompilingMethodsClass(soa, dex_cache, class_loader, mUnit) : nullptr; 1181f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_method = resolved_method_sirt.get(); 1182f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } 1183f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko bool result = false; 1184f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (resolved_method != nullptr) { 1185f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = GetResolvedMethodVTableIndex(resolved_method, orig_invoke_type); 1186f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1187f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (enable_devirtualization) { 1188f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 1189f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko const MethodReference* devirt_target = mUnit->GetVerifiedMethod()->GetDevirtTarget(dex_pc); 1190f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko 1191f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = IsFastInvoke( 1192f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko soa, dex_cache, class_loader, mUnit, referrer_class, resolved_method, 1193f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko invoke_type, target_method, devirt_target, direct_code, direct_method); 1194f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = stats_flags != 0; 1195f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1196f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Devirtualization not enabled. Inline IsFastInvoke(), dropping the devirtualization parts. 1197f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (UNLIKELY(referrer_class == nullptr) || 1198f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko UNLIKELY(!referrer_class->CanAccessResolvedMethod(resolved_method->GetDeclaringClass(), 1199f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko resolved_method, dex_cache.get(), 1200f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko target_method->dex_method_index)) || 1201f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *invoke_type == kSuper) { 1202f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Slow path. (Without devirtualization, all super calls go slow path as well.) 1203f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko } else { 1204f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Sharpening failed so generate a regular resolved method dispatch. 1205f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko stats_flags = kFlagMethodResolved; 1206f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko GetCodeAndMethodForDirectCall(invoke_type, *invoke_type, false, referrer_class, resolved_method, 1207f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko &stats_flags, target_method, direct_code, direct_method); 1208f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko result = true; 1209a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1210a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1211a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1212f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko if (!result) { 1213f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko // Conservative defaults. 1214f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *vtable_idx = -1; 1215f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_code = 0u; 1216f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko *direct_method = 0u; 1217a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers } 1218e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers if (update_stats) { 1219f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko ProcessedInvoke(orig_invoke_type, stats_flags); 1220e3cd2f0e3c3d976ae9c65c8a731003a5aaf71986Ian Rogers } 1221f096aad9203d7c50b2f9cbe1c1215a50c265a059Vladimir Marko return result; 1222a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers} 1223a32a6fd4a781262dff4fec102da053d16b7ef6c0Ian Rogers 12242730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markoconst VerifiedMethod* CompilerDriver::GetVerifiedMethod(const DexFile* dex_file, 12252730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko uint32_t method_idx) const { 12262730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko MethodReference ref(dex_file, method_idx); 12272730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko return verification_results_->GetVerifiedMethod(ref); 12282730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko} 12292730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko 12302730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Markobool CompilerDriver::IsSafeCast(const DexCompilationUnit* mUnit, uint32_t dex_pc) { 12312730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko DCHECK(mUnit->GetVerifiedMethod() != nullptr); 12322730db03beee4d6687ddfb5000c33c0370fbc6ebVladimir Marko bool result = mUnit->GetVerifiedMethod()->IsSafeCast(dex_pc); 1233fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers if (result) { 1234fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->SafeCast(); 1235fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } else { 1236fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers stats_->NotASafeCast(); 1237fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers } 1238fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers return result; 1239fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers} 1240fae370a044f5817f69937cccfd2d12a16b374266Ian Rogers 12411212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddCodePatch(const DexFile* dex_file, 12428b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 12438b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 12448b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 12458b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 124649161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 12478b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 12488b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 124950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1250be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi code_to_patch_.push_back(new CallPatchInformation(dex_file, 1251be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1252be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1253be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1254be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 125549161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1256be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1257be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 12583fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 125955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendellvoid CompilerDriver::AddRelativeCodePatch(const DexFile* dex_file, 126055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint16_t referrer_class_def_idx, 126155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t referrer_method_idx, 126255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType referrer_invoke_type, 126355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell uint32_t target_method_idx, 126449161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 126555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell InvokeType target_invoke_type, 126655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell size_t literal_offset, 126755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell int32_t pc_relative_offset) { 126855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell MutexLock mu(Thread::Current(), compiled_methods_lock_); 126955d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell code_to_patch_.push_back(new RelativeCallPatchInformation(dex_file, 127055d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_class_def_idx, 127155d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_method_idx, 127255d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell referrer_invoke_type, 127355d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_method_idx, 127449161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 127555d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell target_invoke_type, 127655d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell literal_offset, 127755d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell pc_relative_offset)); 127855d0eac918321e0525f6e6491f36a80977e0d416Mark Mendell} 12791212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddMethodPatch(const DexFile* dex_file, 12808b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t referrer_class_def_idx, 12818b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t referrer_method_idx, 12828b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType referrer_invoke_type, 12838b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint32_t target_method_idx, 128449161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao const DexFile* target_dex_file, 12858b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType target_invoke_type, 12868b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers size_t literal_offset) { 128750b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 1288be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi methods_to_patch_.push_back(new CallPatchInformation(dex_file, 1289be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1290be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1291be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_invoke_type, 1292be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_method_idx, 129349161cef10a308aedada18e9aa742498d6e6c8c7Jeff Hao target_dex_file, 1294be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_invoke_type, 1295be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 1296be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi} 1297be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchivoid CompilerDriver::AddClassPatch(const DexFile* dex_file, 1298be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint16_t referrer_class_def_idx, 1299be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t referrer_method_idx, 1300be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi uint32_t target_type_idx, 1301be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi size_t literal_offset) { 1302be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi MutexLock mu(Thread::Current(), compiled_methods_lock_); 1303be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi classes_to_patch_.push_back(new TypePatchInformation(dex_file, 1304be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_class_def_idx, 1305be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi referrer_method_idx, 1306be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi target_type_idx, 1307be1ca55db3362f5b100c4c65da5342fd299520bbHiroshi Yamauchi literal_offset)); 13083fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers} 13093fa13791c51985d9956d01bc465de6d36c3390d3Ian Rogers 1310219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersclass ParallelCompilationManager { 1311731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom public: 1312219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers typedef void Callback(const ParallelCompilationManager* manager, size_t index); 13130e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier 1314219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager(ClassLinker* class_linker, 1315219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers jobject class_loader, 1316219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers CompilerDriver* compiler, 1317219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile* dex_file, 13183d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool) 13190b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier : index_(0), 13200b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier class_linker_(class_linker), 1321731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom class_loader_(class_loader), 1322731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom compiler_(compiler), 13230e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier dex_file_(dex_file), 13243d504075f7c1204d581923460754bf6d3714b13fIan Rogers thread_pool_(thread_pool) {} 1325731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 132600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ClassLinker* GetClassLinker() const { 1327731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(class_linker_ != NULL); 1328731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_linker_; 1329731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 133000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 133100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers jobject GetClassLoader() const { 1332731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return class_loader_; 1333731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 133400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 13351212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* GetCompiler() const { 1336731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(compiler_ != NULL); 1337731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return compiler_; 1338731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 133900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 134000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers const DexFile* GetDexFile() const { 1341731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom CHECK(dex_file_ != NULL); 1342731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom return dex_file_; 1343731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom } 1344731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom 13450e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier void ForAll(size_t begin, size_t end, Callback callback, size_t work_units) { 13460e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier Thread* self = Thread::Current(); 13470e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 13480e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_GT(work_units, 0U); 13499ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 13500b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier index_ = begin; 13510e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier for (size_t i = 0; i < work_units; ++i) { 1352501baec5f2de2156bb5ed7f66d23f1b1ad026267Sebastien Hertz thread_pool_->AddTask(self, new ForAllClosure(this, end, callback)); 13530e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 13540e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier thread_pool_->StartWorkers(self); 135500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 13560e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Ensure we're suspended while we're blocked waiting for the other threads to finish (worker 13570e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // thread destructor's called below perform join). 13580e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier CHECK_NE(self->GetState(), kRunnable); 1359d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 13600e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier // Wait for all the worker threads to finish. 13611d54e73444e017d3a65234e0f193846f3e27472bIan Rogers thread_pool_->Wait(self, true, false); 1362d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1363d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 13640b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier size_t NextIndex() { 1365b122a4bbed34ab22b4c1541ee25e5cf22f12a926Ian Rogers return index_.FetchAndAdd(1); 13660b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 13670b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 1368d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes private: 136902b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier class ForAllClosure : public Task { 13700e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier public: 13710b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ForAllClosure(ParallelCompilationManager* manager, size_t end, Callback* callback) 1372219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers : manager_(manager), 13730e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier end_(end), 13740b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(callback) {} 13759ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 13760e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier virtual void Run(Thread* self) { 13770b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier while (true) { 13780b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier const size_t index = manager_->NextIndex(); 13790b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier if (UNLIKELY(index >= end_)) { 13800b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier break; 13810b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier } 13820b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier callback_(manager_, index); 13830e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier self->AssertNoPendingException(); 13840e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 13850e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier } 138602b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier 138702b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier virtual void Finalize() { 138802b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier delete this; 138902b6a78038f12c109f95eb31713cfc747f5512f1Mathieu Chartier } 13900cd7ec2dcd8d7ba30bf3ca420b40dac52849876cBrian Carlstrom 13910e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier private: 13920b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier ParallelCompilationManager* const manager_; 13930e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const size_t end_; 1394460536209b741bc469f1b0857775449abb2102fbBernhard Rosenkränzer Callback* const callback_; 13950e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier }; 13961e4092589f1400915e6213014da103aab8728ef6Elliott Hughes 13970b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier AtomicInteger index_; 13980e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier ClassLinker* const class_linker_; 13990e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const jobject class_loader_; 14001212a022fa5f8ef9585d765b1809521812af882cIan Rogers CompilerDriver* const compiler_; 14010e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier const DexFile* const dex_file_; 1402219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ThreadPool* const thread_pool_; 14030b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier 14040b3eb39f8bc92f955f875ef50929c439aafe35fbMathieu Chartier DISALLOW_COPY_AND_ASSIGN(ParallelCompilationManager); 1405d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes}; 1406d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 14070e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// Return true if the class should be skipped during compilation. 14080e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// 14090e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// The first case where we skip is for redundant class definitions in 14100e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// the boot classpath. We skip all but the first definition in that case. 14110e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// 14120e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// The second case where we skip is when an app bundles classes found 14130e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// in the boot classpath. Since at runtime we will select the class from 14140e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// the boot classpath, we ignore the one from the app. 1415be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogersstatic bool SkipClass(ClassLinker* class_linker, jobject class_loader, const DexFile& dex_file, 1416be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers const DexFile::ClassDef& class_def) { 14170e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 141800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers if (class_loader == NULL) { 14190e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao DexFile::ClassPathEntry pair = DexFile::FindInClassPath(descriptor, class_linker->GetBootClassPath()); 14200e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao CHECK(pair.second != NULL); 14210e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (pair.first != &dex_file) { 14220e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(WARNING) << "Skipping class " << descriptor << " from " << dex_file.GetLocation() 14230e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << " previously found in " << pair.first->GetLocation(); 14240e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return true; 14250e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 142600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers return false; 142700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 1428be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers return class_linker->IsInBootClassPath(descriptor); 142900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers} 143000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 14310e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// A fast version of SkipClass above if the class pointer is available 14320e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao// that avoids the expensive FindInClassPath search. 14330e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Haostatic bool SkipClass(jobject class_loader, const DexFile& dex_file, mirror::Class* klass) 14340e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 14350e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao DCHECK(klass != NULL); 14360e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& original_dex_file = *klass->GetDexCache()->GetDexFile(); 14370e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (&dex_file != &original_dex_file) { 14380e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao if (class_loader == NULL) { 14390e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(WARNING) << "Skipping class " << PrettyDescriptor(klass) << " from " 14400e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << dex_file.GetLocation() << " previously found in " 14410e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao << original_dex_file.GetLocation(); 14420e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 14430e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return true; 14440e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao } 14450e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao return false; 14460e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao} 14470e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 1448e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogersstatic void ResolveClassFieldsAndMethods(const ParallelCompilationManager* manager, 1449e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers size_t class_def_index) 1450b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 14518f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 1452be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers Thread* self = Thread::Current(); 1453be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers jobject jclass_loader = manager->GetClassLoader(); 1454219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1455be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1456d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1457e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // If an instance field is final then we need to have a barrier on the return, static final 1458e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // fields are assigned within the lock held for class initialization. Conservatively assume 1459e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // constructor barriers are always required. 1460e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers bool requires_constructor_barrier = true; 1461e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers 1462845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // Method and Field are the worst. We can't resolve without either 1463845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // context from the code use (to disambiguate virtual vs direct 1464845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // method and instance vs static field) or from class 1465845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions. While the compiler will resolve what it can as it 1466845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // needs it, here we try to resolve fields and methods used in class 1467845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // definitions, since many of them many never be referenced by 1468845490bda68f7d025ea7f45775c847d2932e00dcBrian Carlstrom // generated code. 1469d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1470be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers if (!SkipClass(class_linker, jclass_loader, dex_file, class_def)) { 1471cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom ScopedObjectAccess soa(self); 1472590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), soa.Decode<mirror::ClassLoader*>(jclass_loader)); 1473590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), class_linker->FindDexCache(dex_file)); 1474cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // Resolve the class. 1475cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom mirror::Class* klass = class_linker->ResolveType(dex_file, class_def.class_idx_, dex_cache, 1476cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom class_loader); 1477cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom bool resolve_fields_and_methods; 1478cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom if (klass == NULL) { 1479cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // Class couldn't be resolved, for example, super-class is in a different dex file. Don't 1480cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom // attempt to resolve methods and fields when there is no declaring class. 1481cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom CHECK(soa.Self()->IsExceptionPending()); 1482cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom soa.Self()->ClearException(); 1483cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom resolve_fields_and_methods = false; 1484cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } else { 1485cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom resolve_fields_and_methods = manager->GetCompiler()->IsImage(); 1486cb5f5e53b580023fa2c1d8235c2e9aa1ff67d1dcBrian Carlstrom } 1487e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Note the class_data pointer advances through the headers, 1488e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // static fields, instance fields, direct methods, and virtual 1489e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // methods. 1490e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers const byte* class_data = dex_file.GetClassData(class_def); 1491e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (class_data == NULL) { 1492e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // Empty class such as a marker interface. 1493e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = false; 1494e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } else { 1495e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers ClassDataItemIterator it(dex_file, class_data); 1496e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextStaticField()) { 1497e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1498e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1499e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, true); 1500e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (field == NULL) { 1501e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1502e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1503e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1504e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1505e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1506e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1507e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // We require a constructor barrier if there are final instance fields. 1508e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = false; 1509e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextInstanceField()) { 1510e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if ((it.GetMemberAccessFlags() & kAccFinal) != 0) { 1511e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers requires_constructor_barrier = true; 1512e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1513e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1514e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtField* field = class_linker->ResolveField(dex_file, it.GetMemberIndex(), 1515e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, false); 1516e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (field == NULL) { 1517e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1518e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1519e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1520e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1521e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1522e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1523e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (resolve_fields_and_methods) { 1524e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextDirectMethod()) { 1525e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1526e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, NULL, 1527e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.GetMethodInvokeType(class_def)); 1528e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (method == NULL) { 1529e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1530e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1531e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1532e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1533e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1534e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers while (it.HasNextVirtualMethod()) { 1535e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers mirror::ArtMethod* method = class_linker->ResolveMethod(dex_file, it.GetMemberIndex(), 1536e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers dex_cache, class_loader, NULL, 1537e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.GetMethodInvokeType(class_def)); 1538e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (method == NULL) { 1539e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1540e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1541e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1542e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers it.Next(); 1543e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1544e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers DCHECK(!it.HasNext()); 1545e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 154620cfffabdc9e02b2df798bc4e6b6035d14bf4e36Brian Carlstrom } 1547d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1548fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers if (requires_constructor_barrier) { 1549be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers manager->GetCompiler()->AddRequiresConstructorBarrier(self, &dex_file, class_def_index); 1550fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers } 1551d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1552d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1553219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void ResolveType(const ParallelCompilationManager* manager, size_t type_idx) 1554b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 1555d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes // Class derived values are more complicated, they require the linker and loader. 155600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1557219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1558219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1559590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), class_linker->FindDexCache(dex_file)); 1560c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::ClassLoader> class_loader( 1561c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier soa.Self(), soa.Decode<mirror::ClassLoader*>(manager->GetClassLoader())); 15622dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class* klass = class_linker->ResolveType(dex_file, type_idx, dex_cache, class_loader); 156300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers 1564d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes if (klass == NULL) { 156500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1566a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers mirror::Throwable* exception = soa.Self()->GetException(NULL); 1567a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers VLOG(compiler) << "Exception during type resolution: " << exception->Dump(); 1568dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers if (strcmp("Ljava/lang/OutOfMemoryError;", 1569dfb325e0ddd746cd8f7c2e3723b3a573eb7cc111Ian Rogers ClassHelper(exception->GetClass()).GetDescriptor()) == 0) { 1570a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers // There's little point continuing compilation if the heap is exhausted. 1571a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers LOG(FATAL) << "Out of memory during type resolution for compilation"; 1572a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers } 1573a436fde2762664a3ecdda5eefcadd20b2e104f59Ian Rogers soa.Self()->ClearException(); 1574d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes } 1575d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1576d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 15771212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::ResolveDexFile(jobject class_loader, const DexFile& dex_file, 15783d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1579d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1580d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 158100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // TODO: we could resolve strings here, although the string table is largely filled with class 158200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers // and method names. 1583d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1584219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 1585e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (IsImage()) { 1586e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // For images we resolve all types, such as array, whereas for applications just those with 1587e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // classdefs are resolved by ResolveClassFieldsAndMethods. 15883d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Resolve Types"); 1589e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers context.ForAll(0, dex_file.NumTypeIds(), ResolveType, thread_count_); 1590e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 1591d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 15923d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Resolve MethodsAndFields"); 15930e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), ResolveClassFieldsAndMethods, thread_count_); 15949ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 15959ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 15961212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Verify(jobject class_loader, const std::vector<const DexFile*>& dex_files, 15973d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1598ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1599ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 160098eacac683b78e60799323e8c7d59e7214808639jeffhao CHECK(dex_file != NULL); 16012f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom VerifyDexFile(class_loader, *dex_file, thread_pool, timings); 160298eacac683b78e60799323e8c7d59e7214808639jeffhao } 160398eacac683b78e60799323e8c7d59e7214808639jeffhao} 160498eacac683b78e60799323e8c7d59e7214808639jeffhao 1605219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void VerifyClass(const ParallelCompilationManager* manager, size_t class_def_index) 1606b726dcb581bf72da46527378ccb6889020f0e6e9Ian Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 160767f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 160800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 16090e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 16100e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 16110e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const char* descriptor = dex_file.GetClassDescriptor(class_def); 16120e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao ClassLinker* class_linker = manager->GetClassLinker(); 16130e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 1614590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader( 1615590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Self(), soa.Decode<mirror::ClassLoader*>(jclass_loader)); 16169837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers SirtRef<mirror::Class> klass(soa.Self(), class_linker->FindClass(soa.Self(), descriptor, 16179837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_loader)); 1618c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier if (klass.get() == nullptr) { 1619e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 162062d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 1621f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao 1622f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao /* 1623f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * At compile time, we can still structurally verify the class even if FindClass fails. 1624f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * This is to ensure the class is structurally sound for compilation. An unsound class 1625f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao * will be rejected by the verifier and later skipped during compilation in the compiler. 1626f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao */ 1627590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::DexCache> dex_cache(soa.Self(), class_linker->FindDexCache(dex_file)); 1628f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao std::string error_msg; 1629590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier if (verifier::MethodVerifier::VerifyClass(&dex_file, dex_cache, class_loader, &class_def, true, 1630590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier &error_msg) == 163100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers verifier::MethodVerifier::kHardFailure) { 16320e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao LOG(ERROR) << "Verification failed on class " << PrettyDescriptor(descriptor) 1633f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao << " because: " << error_msg; 1634f56197c5519395fcf8226a7148cc87367e0a7ad4jeffhao } 1635c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier } else if (!SkipClass(jclass_loader, dex_file, klass.get())) { 1636c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier CHECK(klass->IsResolved()) << PrettyClass(klass.get()); 16370e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao class_linker->VerifyClass(klass); 1638d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 1639e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers if (klass->IsErroneous()) { 1640e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers // ClassLinker::VerifyClass throws, which isn't useful in the compiler. 1641e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(soa.Self()->IsExceptionPending()); 1642e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers soa.Self()->ClearException(); 1643e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 164467f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 1645e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers CHECK(klass->IsCompileTimeVerified() || klass->IsErroneous()) 1646c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier << PrettyDescriptor(klass.get()) << ": state=" << klass->GetStatus(); 1647e6bb3b2ce5a69c31c2adfc7eb2705633b7f966ebIan Rogers } 164862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->AssertNoPendingException(); 1649d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes} 1650d9c67be7c116875d96b31e640ad47d587b205605Elliott Hughes 16511212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::VerifyDexFile(jobject class_loader, const DexFile& dex_file, 16523d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 16533d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Verify Dex File"); 1654731b2abfccd8704d129e3b8e46a086660161fef3Brian Carlstrom ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1655219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager context(class_linker, class_loader, this, &dex_file, thread_pool); 16560e4627e593bc39f8e3d89c31f8977d55054c07ccMathieu Chartier context.ForAll(0, dex_file.NumClassDefs(), VerifyClass, thread_count_); 1657a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom} 1658a5a97a2bc1dfed70869da34650a5a2a3a3a06ac4Brian Carlstrom 1659219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersstatic void InitializeClass(const ParallelCompilationManager* manager, size_t class_def_index) 16603d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers LOCKS_EXCLUDED(Locks::mutator_lock_) { 16618f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ATRACE_CALL(); 16620e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao jobject jclass_loader = manager->GetClassLoader(); 16630e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile& dex_file = *manager->GetDexFile(); 16640e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1665bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const DexFile::TypeId& class_type_id = dex_file.GetTypeId(class_def.class_idx_); 1666bcdbbfebc8f32566d4cb3f66405e89cdb7351992Jeff Hao const char* descriptor = dex_file.StringDataByIdx(class_type_id.descriptor_idx_); 1667fc0e94bed3f88ed7e50854fd8dfaf5dcb345250fIan Rogers 166800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(Thread::Current()); 1669590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 1670590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Decode<mirror::ClassLoader*>(jclass_loader)); 1671c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::Class> klass(soa.Self(), 16729837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers manager->GetClassLinker()->FindClass(soa.Self(), descriptor, 16739837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_loader)); 16740e49b42e03af56521d8ce2c9c84ac5b79e6241c9Jeff Hao 1675c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier if (klass.get() != nullptr && !SkipClass(jclass_loader, dex_file, klass.get())) { 167664b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers // Only try to initialize classes that were successfully verified. 16773d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers if (klass->IsVerified()) { 16788f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize the class but bail if we either need to initialize the super-class 16798f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // or static fields. 16808f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, false); 168164b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers if (!klass->IsInitialized()) { 16828f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We don't want non-trivial class initialization occurring on multiple threads due to 16838f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // deadlock problems. For example, a parent class is initialized (holding its lock) that 16848f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // refers to a sub-class in its static/class initializer causing it to try to acquire the 16858f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // sub-class' lock. While on a second thread the sub-class is initialized (holding its lock) 16868f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // after first initializing its parents, whose locks are acquired. This leads to a 16878f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // parent-to-child and a child-to-parent lock ordering and consequent potential deadlock. 16888f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to use an ObjectLock due to potential suspension in the interpreting code. Rather 16898f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // than use a special Object for the purpose we use the Class of java.lang.Class. 1690c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier SirtRef<mirror::Class> sirt_klass(soa.Self(), klass->GetClass()); 1691c528dba35b5faece51ca658fc008b688f8b690adMathieu Chartier ObjectLock<mirror::Class> lock(soa.Self(), &sirt_klass); 16928f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // Attempt to initialize allowing initialization of parent classes but still not static 16938f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // fields. 16948f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetClassLinker()->EnsureInitialized(klass, false, true); 16958f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (!klass->IsInitialized()) { 16968f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // We need to initialize static fields, we only do this for image classes that aren't 1697d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // marked with the $NoPreloadHolder (which implies this should not be initialized early). 16988f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers bool can_init_static_fields = manager->GetCompiler()->IsImage() && 1699d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz manager->GetCompiler()->IsImageClass(descriptor) && 1700d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz !StringPiece(descriptor).ends_with("$NoPreloadHolder;"); 17018f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (can_init_static_fields) { 1702d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz VLOG(compiler) << "Initializing: " << descriptor; 1703d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (strcmp("Ljava/lang/Void;", descriptor) == 0) { 1704d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Hand initialize j.l.Void to avoid Dex file operations in un-started runtime. 1705d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz ObjectLock<mirror::Class> lock(soa.Self(), &klass); 1706d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz mirror::ObjectArray<mirror::ArtField>* fields = klass->GetSFields(); 1707d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz CHECK_EQ(fields->GetLength(), 1); 1708d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz fields->Get(0)->SetObj<false>(klass.get(), 1709d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz manager->GetClassLinker()->FindPrimitiveClass('V')); 1710d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz klass->SetStatus(mirror::Class::kStatusInitialized, soa.Self()); 1711d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } else { 1712d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO multithreading support. We should ensure the current compilation thread has 1713d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // exclusive access to the runtime and the transaction. To achieve this, we could use 1714d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // a ReaderWriterMutex but we're holding the mutator lock so we fail mutex sanity 1715d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // checks in Thread::AssertThreadSuspensionIsAllowable. 1716d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz Runtime* const runtime = Runtime::Current(); 1717d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz Transaction transaction; 1718d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz 1719d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Run the class initializer in transaction mode. 1720d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz runtime->EnterTransactionMode(&transaction); 1721d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz const mirror::Class::Status old_status = klass->GetStatus(); 1722d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz bool success = manager->GetClassLinker()->EnsureInitialized(klass, true, true); 1723d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO we detach transaction from runtime to indicate we quit the transactional 1724d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // mode which prevents the GC from visiting objects modified during the transaction. 1725d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Ensure GC is not run so don't access freed objects when aborting transaction. 1726d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz const char* old_casue = soa.Self()->StartAssertNoThreadSuspension("Transaction end"); 1727d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz runtime->ExitTransactionMode(); 1728d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz 1729d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (!success) { 1730d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz CHECK(soa.Self()->IsExceptionPending()); 1731d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz ThrowLocation throw_location; 1732d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz mirror::Throwable* exception = soa.Self()->GetException(&throw_location); 1733d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz VLOG(compiler) << "Initialization of " << descriptor << " aborted because of " 1734d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz << exception->Dump(); 1735d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz soa.Self()->ClearException(); 1736d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz transaction.Abort(); 1737d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz CHECK_EQ(old_status, klass->GetStatus()) << "Previous class status not restored"; 17388f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 1739d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz soa.Self()->EndAssertNoThreadSuspension(old_casue); 174064b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 174164b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 174264b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 17438f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers soa.Self()->AssertNoPendingException(); 174464b6d145fa53b8dfb07a8fc2426af13f155d5a4dIan Rogers } 174527ec961a1da540ba7f16c07a682585ab167317adBrian Carlstrom } 17463d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers // Record the final class status if necessary. 174751c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom ClassReference ref(manager->GetDexFile(), class_def_index); 17488f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers manager->GetCompiler()->RecordClassStatus(ref, klass->GetStatus()); 174998eacac683b78e60799323e8c7d59e7214808639jeffhao } 17501f5393447b9f45be7918042d9ee7b521376de866Ian Rogers // Clear any class not found or verification exceptions. 175162d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers soa.Self()->ClearException(); 175298eacac683b78e60799323e8c7d59e7214808639jeffhao} 175398eacac683b78e60799323e8c7d59e7214808639jeffhao 17541212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject jni_class_loader, const DexFile& dex_file, 17553d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 17563d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("InitializeNoClinit"); 17573d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); 1758219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers ParallelCompilationManager context(class_linker, jni_class_loader, this, &dex_file, thread_pool); 1759d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz size_t thread_count; 1760d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (IsImage()) { 1761d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // TODO: remove this when transactional mode supports multithreading. 1762d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = 1U; 1763d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } else { 1764d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz thread_count = thread_count_; 1765d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } 1766d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz context.ForAll(0, dex_file.NumClassDefs(), InitializeClass, thread_count); 1767d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz if (IsImage()) { 1768d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz // Prune garbage objects created during aborted transactions. 1769d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz Runtime::Current()->GetHeap()->CollectGarbage(true); 1770d2fe10a3a34af171bf1631219cd2d6ff6b7778b5Sebastien Hertz } 17713d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers} 177290dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 17731212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InitializeClasses(jobject class_loader, 17741212a022fa5f8ef9585d765b1809521812af882cIan Rogers const std::vector<const DexFile*>& dex_files, 17753d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 17763d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers for (size_t i = 0; i != dex_files.size(); ++i) { 17773d1548debdaf8a1915fa432a4d267f7c0145654dIan Rogers const DexFile* dex_file = dex_files[i]; 177890dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao CHECK(dex_file != NULL); 17792f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom InitializeClasses(class_loader, *dex_file, thread_pool, timings); 178000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 178190dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao} 178290dc30f4b9967e850d0594e57dfa8e7cb0369575Shih-wei Liao 17831212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::Compile(jobject class_loader, const std::vector<const DexFile*>& dex_files, 17843d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 1785ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom for (size_t i = 0; i != dex_files.size(); ++i) { 1786ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom const DexFile* dex_file = dex_files[i]; 178783db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom CHECK(dex_file != NULL); 17882f66382fdb5e98537f724eba43ef1c7162c71b0eBrian Carlstrom CompileDexFile(class_loader, *dex_file, thread_pool, timings); 178983db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom } 179083db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom} 179183db7721aef15df6919c0ec072e087bef6041e2dBrian Carlstrom 1792219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogersvoid CompilerDriver::CompileClass(const ParallelCompilationManager* manager, size_t class_def_index) { 179367f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum ATRACE_CALL(); 17942d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz jobject jclass_loader = manager->GetClassLoader(); 1795219b5a847ef74be5d3de4c16a29ec6413cc42af1Ian Rogers const DexFile& dex_file = *manager->GetDexFile(); 1796c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes const DexFile::ClassDef& class_def = dex_file.GetClassDef(class_def_index); 1797be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ClassLinker* class_linker = manager->GetClassLinker(); 1798be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers if (SkipClass(class_linker, jclass_loader, dex_file, class_def)) { 1799be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers return; 18005ead0950c661761e90e04aefd6ea2205532ce874Brian Carlstrom } 1801d1224c79631bd1801b067a0f212b91afa961a362jeffhao ClassReference ref(&dex_file, class_def_index); 1802d1224c79631bd1801b067a0f212b91afa961a362jeffhao // Skip compiling classes with generic verifier failures since they will still fail at runtime 1803c7f832061fea59fd6abd125f26c8ca1faec695a5Vladimir Marko if (manager->GetCompiler()->verification_results_->IsClassRejected(ref)) { 1804d1224c79631bd1801b067a0f212b91afa961a362jeffhao return; 1805d1224c79631bd1801b067a0f212b91afa961a362jeffhao } 18060571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers const byte* class_data = dex_file.GetClassData(class_def); 18070571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (class_data == NULL) { 18080571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // empty class, probably a marker interface 18090571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers return; 18100571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 181167f99418f648c3a95256ed3dcd8e8b64eef0b372Anwar Ghuloum 18122d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz // Can we run DEX-to-DEX compiler on this class ? 181375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level = kDontDexToDexCompile; 18142d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz { 18152d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz ScopedObjectAccess soa(Thread::Current()); 1816590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier SirtRef<mirror::ClassLoader> class_loader(soa.Self(), 1817590fee9e8972f872301c2d16a575d579ee564beeMathieu Chartier soa.Decode<mirror::ClassLoader*>(jclass_loader)); 18189837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers dex_to_dex_compilation_level = GetDexToDexCompilationlevel(soa.Self(), class_loader, dex_file, 18199837939678bb5dcba178e5fb00ed59b5d14c8d9bIan Rogers class_def); 18202d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz } 18210571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers ClassDataItemIterator it(dex_file, class_data); 18220571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Skip fields 18230571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextStaticField()) { 18240571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18250571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 18260571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextInstanceField()) { 18270571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18280571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers } 1829be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers CompilerDriver* driver = manager->GetCompiler(); 18300571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile direct methods 183168adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_direct_method_idx = -1; 18320571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextDirectMethod()) { 18336f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 18346f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_direct_method_idx) { 18356f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 18366f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 18376f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 18386f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 18396f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 18406f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_direct_method_idx = method_idx; 1841be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 1842be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1843be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 18440571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18459ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 18460571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers // Compile virtual methods 184768adbe41c7d9295da2bfc521d737ba6dabd36c98Brian Carlstrom int64_t previous_virtual_method_idx = -1; 18480571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers while (it.HasNextVirtualMethod()) { 18496f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom uint32_t method_idx = it.GetMemberIndex(); 18506f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom if (method_idx == previous_virtual_method_idx) { 18516f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // smali can create dex files with two encoded_methods sharing the same method_idx 18526f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom // http://code.google.com/p/smali/issues/detail?id=119 18536f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom it.Next(); 18546f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom continue; 18556f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom } 18566f29d0e6d5444ff84157c922c23c221567dcc6c5Brian Carlstrom previous_virtual_method_idx = method_idx; 1857be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers driver->CompileMethod(it.GetMethodCodeItem(), it.GetMemberAccessFlags(), 1858be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers it.GetMethodInvokeType(class_def), class_def_index, 1859be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers method_idx, jclass_loader, dex_file, dex_to_dex_compilation_level); 18600571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers it.Next(); 18619ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom } 18620571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers DCHECK(!it.HasNext()); 18639ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 18649ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 18651212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileDexFile(jobject class_loader, const DexFile& dex_file, 18663d504075f7c1204d581923460754bf6d3714b13fIan Rogers ThreadPool* thread_pool, TimingLogger* timings) { 18673d504075f7c1204d581923460754bf6d3714b13fIan Rogers timings->NewSplit("Compile Dex File"); 1868be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers ParallelCompilationManager context(Runtime::Current()->GetClassLinker(), class_loader, this, 1869be7149fc2e7cc607937209f2819e3c1d672e2668Ian Rogers &dex_file, thread_pool); 18701212a022fa5f8ef9585d765b1809521812af882cIan Rogers context.ForAll(0, dex_file.NumClassDefs(), CompilerDriver::CompileClass, thread_count_); 1871c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes} 1872c225caa9715eeaeff87f27d5b6a3e7d4f6b7efadElliott Hughes 18731212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::CompileMethod(const DexFile::CodeItem* code_item, uint32_t access_flags, 18748b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers InvokeType invoke_type, uint16_t class_def_idx, 18751212a022fa5f8ef9585d765b1809521812af882cIan Rogers uint32_t method_idx, jobject class_loader, 18762d6ba5158d7fd459db2870df47300b517dc4d08cSebastien Hertz const DexFile& dex_file, 187775021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz DexToDexCompilationLevel dex_to_dex_compilation_level) { 1878f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes CompiledMethod* compiled_method = NULL; 1879bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes uint64_t start_ns = NanoTime(); 18804dd96f56909ec35c83a3d468b0e47769988c1a1dLogan Chien 1881169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers if ((access_flags & kAccNative) != 0) { 18820188ab739c3ef8bcd521d88f84894db8c0f012c5Ian Rogers // Are we interpreting only and have support for generic JNI down calls? 18834a200f56b7075309316b04d550c9cc50f8314eddJeff Hao if (!compiler_options_->IsCompilationEnabled() && 1884b95a5345ae4217b70ca36f0cced92f68dda7caf5Stuart Monteith (instruction_set_ == kX86_64 || instruction_set_ == kArm64)) { 18855b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers // Leaving this empty will trigger the generic JNI version 18865b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } else { 18875b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers compiled_method = compiler_->JniCompile(*this, access_flags, method_idx, dex_file); 18885b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers CHECK(compiled_method != NULL); 18895b27149ce3cbf39f99c9d9c8ba5ebf1657c297e1Ian Rogers } 1890169c9a7f46776b235d0a37d5e0ff27682deffe06Ian Rogers } else if ((access_flags & kAccAbstract) != 0) { 18912cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } else { 189290af14d2743614e3e1453984b14258a6f145501dDragos Sbirlea MethodReference method_ref(&dex_file, method_idx); 18936449c62e40ef3a9bb75f664f922555affb532ee4Brian Carlstrom bool compile = verification_results_->IsCandidateForCompilation(method_ref, access_flags); 18944d4adb1dae07bb7421e863732ab789413a3b43f0Sebastien Hertz if (compile) { 1895a024a0686c3b0fea13f362bff70d65981e5febc5buzbee // NOTE: if compiler declines to compile this method, it will return NULL. 1896b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray compiled_method = compiler_->Compile( 1897f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray *this, code_item, access_flags, invoke_type, class_def_idx, 1898f5df8974173124faddb8e2b6a331959afdb94fdfNicolas Geoffray method_idx, class_loader, dex_file); 189917965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz } 190017965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz if (compiled_method == nullptr && dex_to_dex_compilation_level != kDontDexToDexCompile) { 190117965ed6ec29407599a0bcd4ea92532424294fedSebastien Hertz // TODO: add a command-line option to disable DEX-to-DEX compilation ? 190275021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz (*dex_to_dex_compiler_)(*this, code_item, access_flags, 190375021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz invoke_type, class_def_idx, 190475021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz method_idx, class_loader, dex_file, 190575021222d9c03a80fa5c136db0d5fb8d82d04031Sebastien Hertz dex_to_dex_compilation_level); 1906f3e9855ee2000106b54fd479f7a46da2dc2ad079Ian Rogers } 1907bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes } 19083bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers uint64_t duration_ns = NanoTime() - start_ns; 1909b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray if (duration_ns > MsToNs(compiler_->GetMaximumCompilationTimeBeforeWarning())) { 1910bb551fa68ffc57f679b8c914ac856666f0348b77Elliott Hughes LOG(WARNING) << "Compilation of " << PrettyMethod(method_idx, dex_file) 19113bb17a644e2945c3913cfbde245d2f520d62a3ffIan Rogers << " took " << PrettyDuration(duration_ns); 1912f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes } 1913f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes 191450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers Thread* self = Thread::Current(); 1915f09afe8fbd78943df6a8b10f03c36dcd190dd054Elliott Hughes if (compiled_method != NULL) { 19160571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodReference ref(&dex_file, method_idx); 19178f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers DCHECK(GetCompiledMethod(ref) == NULL) << PrettyMethod(method_idx, dex_file); 191800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers { 191950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(self, compiled_methods_lock_); 192000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers compiled_methods_.Put(ref, compiled_method); 192100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 19220755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom DCHECK(GetCompiledMethod(ref) != NULL) << PrettyMethod(method_idx, dex_file); 19232cc022b653e1e84eed2522254ec684bd097572b8Brian Carlstrom } 19249baa4aefc370f48774b6104680193d9a7e4fb631Brian Carlstrom 192550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers if (self->IsExceptionPending()) { 192650b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers ScopedObjectAccess soa(self); 192700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers LOG(FATAL) << "Unexpected exception compiling: " << PrettyMethod(method_idx, dex_file) << "\n" 192862d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers << self->GetException(NULL)->Dump(); 192900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers } 19300571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers} 193128ad40dc3ec2f09b0ffd4f6d6787bf1b532ccd5dIan Rogers 19321212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledClass* CompilerDriver::GetCompiledClass(ClassReference ref) const { 193350b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 19340755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom ClassTable::const_iterator it = compiled_classes_.find(ref); 19350755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom if (it == compiled_classes_.end()) { 19360755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return NULL; 19370755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom } 19380755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom CHECK(it->second != NULL); 19390755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom return it->second; 19400755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom} 19410755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 19428f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogersvoid CompilerDriver::RecordClassStatus(ClassReference ref, mirror::Class::Status status) { 19438f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers MutexLock mu(Thread::Current(), compiled_classes_lock_); 19448f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers auto it = compiled_classes_.find(ref); 19458f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it == compiled_classes_.end() || it->second->GetStatus() != status) { 19468f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers // An entry doesn't exist or the status is lower than the new status. 19478f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers if (it != compiled_classes_.end()) { 19488f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CHECK_GT(status, it->second->GetStatus()); 19498f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers delete it->second; 19508f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 19518f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers switch (status) { 19528f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusNotReady: 19538f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusError: 19548f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusRetryVerificationAtRuntime: 19558f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusVerified: 19568f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers case mirror::Class::kStatusInitialized: 19578f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers break; // Expected states. 19588f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers default: 19598f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers LOG(FATAL) << "Unexpected class status for class " 19608f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << PrettyDescriptor(ref.first->GetClassDescriptor(ref.first->GetClassDef(ref.second))) 19618f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers << " of " << status; 19628f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 19638f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers CompiledClass* compiled_class = new CompiledClass(status); 19648f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers compiled_classes_.Overwrite(ref, compiled_class); 19658f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers } 19668f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers} 19678f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers 19681212a022fa5f8ef9585d765b1809521812af882cIan RogersCompiledMethod* CompilerDriver::GetCompiledMethod(MethodReference ref) const { 196950b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(Thread::Current(), compiled_methods_lock_); 19700571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers MethodTable::const_iterator it = compiled_methods_.find(ref); 19710571d357843c53e042f370f5f2c2e9aa3fe803a9Ian Rogers if (it == compiled_methods_.end()) { 19723320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return NULL; 19732c8f653c98d658419f464b6147c10e11a664d2e6Ian Rogers } 19743320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom CHECK(it->second != NULL); 19753320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom return it->second; 19769ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} 19779ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom 19781212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::AddRequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 19798b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 19808f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers WriterMutexLock mu(self, freezing_constructor_lock_); 1981fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers freezing_constructor_classes_.insert(ClassReference(dex_file, class_def_index)); 1982fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 1983fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 19841212a022fa5f8ef9585d765b1809521812af882cIan Rogersbool CompilerDriver::RequiresConstructorBarrier(Thread* self, const DexFile* dex_file, 19858b2c0b9abc3f520495f4387ea040132ba85cae69Ian Rogers uint16_t class_def_index) { 19868f3c9ae38df2460940a26dff889a84430b6c38d3Ian Rogers ReaderMutexLock mu(self, freezing_constructor_lock_); 1987fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers return freezing_constructor_classes_.count(ClassReference(dex_file, class_def_index)) != 0; 1988fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers} 1989fffdb023275613612a22ec62b3421ffe4d2b73feIan Rogers 19903f47c12487250f61f3be95e9f275e3b08e2c49fbBrian Carlstrombool CompilerDriver::WriteElf(const std::string& android_root, 1991265091e581c9f643b37e7966890911f09e223269Brian Carlstrom bool is_host, 199251c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom const std::vector<const art::DexFile*>& dex_files, 19933d504075f7c1204d581923460754bf6d3714b13fIan Rogers OatWriter* oat_writer, 199451c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom art::File* file) 199551c2467e8771b56e25ae4f17f66522f979f57a7eBrian Carlstrom SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { 1996b34f69ab43aaf7a6e6045c95f398baf566ef5023Nicolas Geoffray return compiler_->WriteElf(file, oat_writer, dex_files, android_root, is_host, *this); 1997265091e581c9f643b37e7966890911f09e223269Brian Carlstrom} 19981212a022fa5f8ef9585d765b1809521812af882cIan Rogersvoid CompilerDriver::InstructionSetToLLVMTarget(InstructionSet instruction_set, 19993d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_triple, 20003d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_cpu, 20013d504075f7c1204d581923460754bf6d3714b13fIan Rogers std::string* target_attr) { 2002265091e581c9f643b37e7966890911f09e223269Brian Carlstrom switch (instruction_set) { 2003700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kThumb2: 20043d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "thumb-none-linux-gnueabi"; 20053d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 20063d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+thumb2,+neon,+neonfp,+vfp3,+db"; 2007700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2008700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2009700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kArm: 20103d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "armv7-none-linux-gnueabi"; 2011700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Nexus S. 20123d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_cpu = "cortex-a9"; 2013700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // TODO: Fix for Xoom. 20143d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "+v7,+neon,+neonfp,+vfp3,+db"; 2015700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2016700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2017700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kX86: 20183d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "i386-pc-linux-gnu"; 20193d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = ""; 2020700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2021700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 20226a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko case kX86_64: 20236a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_triple = "x86_64-pc-linux-gnu"; 20246a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko *target_attr = ""; 20256a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko break; 20266a58cb16d803c9a7b3a75ccac8be19dd9d4e520dDmitry Petrochenko 2027700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom case kMips: 20283d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_triple = "mipsel-unknown-linux"; 20293d504075f7c1204d581923460754bf6d3714b13fIan Rogers *target_attr = "mips32r2"; 2030700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom break; 2031700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 2032700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom default: 2033700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom LOG(FATAL) << "Unknown instruction set: " << instruction_set; 2034700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 2035700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 203639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 203739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allisonbool CompilerDriver::SkipCompilation(const std::string& method_name) { 203839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (!profile_ok_) { 2039644789fa0e807a9aa6d6e32d36ce039ec7318a7fDave Allison return false; 204039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 204104ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle // Methods that comprise topKPercentThreshold % of the total samples will be compiled. 204204ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle double topKPercentThreshold = 90.0; 204304ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle#ifdef HAVE_ANDROID_OS 204404ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle char buf[PROP_VALUE_MAX]; 204504ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle property_get("dalvik.vm.profile.compile_thr", buf, "90.0"); 204604ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle topKPercentThreshold = strtod(buf, nullptr); 204704ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle#endif 204804ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle // Test for reasonable thresholds. 204904ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle if (topKPercentThreshold < 10.0 || topKPercentThreshold > 90.0) { 205004ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle topKPercentThreshold = 90.0; 205104ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle } 205239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison 205339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // First find the method in the profile map. 205439c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison ProfileMap::iterator i = profile_map_.find(method_name); 205539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (i == profile_map_.end()) { 205639c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison // Not in profile, no information can be determined. 205739c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison VLOG(compiler) << "not compiling " << method_name << " because it's not in the profile"; 205839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return true; 205939c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 206039c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison const ProfileData& data = i->second; 206104ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle 2062f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle // Compare against the start of the topK percentage bucket just in case the threshold 206304ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle // falls inside a bucket. 206404ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle bool compile = data.GetTopKUsedPercentage() - data.GetUsedPercent() <= topKPercentThreshold; 206539c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison if (compile) { 2066f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle LOG(INFO) << "compiling method " << method_name << " because its usage is part of top " 2067f6a4cee66a173ee7ef48af5503d9899aa93b3aebCalin Juravle << data.GetTopKUsedPercentage() << "% with a percent of " << data.GetUsedPercent() << "%"; 206839c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } else { 206904ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle VLOG(compiler) << "not compiling method " << method_name << " because it's not part of leading " 207004ff226764b125c79a0bf41e571c8311bac8a868Calin Juravle << topKPercentThreshold << "% samples)"; 207139c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison } 207239c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison return !compile; 207339c3bfbd03d85c63cfbe69f17ce5800ccc7d6c13Dave Allison} 20749ea1cb1a22be5b85dc2622e3836c46a1c48e3f25Brian Carlstrom} // namespace art 2075