oat_file_manager.cc revision 57943810cfc789da890d73621741729da5feaaf8
1f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier/* 2f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * Copyright (C) 2015 The Android Open Source Project 3f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * 4f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * Licensed under the Apache License, Version 2.0 (the "License"); 5f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * you may not use this file except in compliance with the License. 6f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * You may obtain a copy of the License at 7f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * 8f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * http://www.apache.org/licenses/LICENSE-2.0 9f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * 10f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * Unless required by applicable law or agreed to in writing, software 11f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * distributed under the License is distributed on an "AS IS" BASIS, 12f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * See the License for the specific language governing permissions and 14f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier * limitations under the License. 15f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier */ 16f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 17f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier#include "oat_file_manager.h" 18f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 19f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier#include <memory> 20f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier#include <queue> 21f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier#include <vector> 22f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 2346ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampe#include "android-base/stringprintf.h" 2468bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray#include "android-base/strings.h" 2546ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampe 2690b936ddda63139ff46a6755c3b83ad6e4ab4ac5Andreas Gampe#include "art_field-inl.h" 278ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao#include "base/bit_vector-inl.h" 28891a50e9dc0f02ee34bd7348f80b621249153af5David Sehr#include "base/file_utils.h" 2957943810cfc789da890d73621741729da5feaaf8Andreas Gampe#include "base/logging.h" // For VLOG. 30f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier#include "base/stl_util.h" 3132ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier#include "base/systrace.h" 32fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier#include "class_linker.h" 337b0648aa7cb4b7a58e73bf353e031dfe4553d9d7Calin Juravle#include "class_loader_context.h" 3480b37b7e679a530738c9bcbd39873b6dacf177e5Mathieu Chartier#include "dex_file-inl.h" 3579c87da9d4698ec58ece65af0065eebd55a1cfe0Mathieu Chartier#include "dex_file_loader.h" 360bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta#include "dex_file_tracking_registrar.h" 3761d2b2d353ba4ab952247d2bff2c905598118bb4Mathieu Chartier#include "gc/scoped_gc_critical_section.h" 38f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier#include "gc/space/image_space.h" 39fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier#include "handle_scope-inl.h" 4008883debd927d18c9ecf66683a2a11aa98165656Andreas Gampe#include "jni_internal.h" 41fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier#include "mirror/class_loader.h" 4290b936ddda63139ff46a6755c3b83ad6e4ab4ac5Andreas Gampe#include "mirror/object-inl.h" 43f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier#include "oat_file_assistant.h" 443398c7874e002beaa6c2b2fadf183e7d1ddad23aMathieu Chartier#include "obj_ptr-inl.h" 450795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier#include "scoped_thread_state_change-inl.h" 46b486a98aadc95d80548953410cf23edba62259faAndreas Gampe#include "thread-current-inl.h" 47a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier#include "thread_list.h" 4890b936ddda63139ff46a6755c3b83ad6e4ab4ac5Andreas Gampe#include "well_known_classes.h" 49f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 50f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartiernamespace art { 51f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 5246ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampeusing android::base::StringPrintf; 5346ee31b67d7ee1bd085fbc240502053caa3cf8faAndreas Gampe 54120aa286ab6adf3e76a31bc61fb4e583e5158d71Mathieu Chartier// If true, we attempt to load the application image if it exists. 55fbc31087932a65e036a153afab3049dc5298656aMathieu Chartierstatic constexpr bool kEnableAppImage = true; 56fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier 5768bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffraystatic bool OatFileIsOnSystem(const std::unique_ptr<const OatFile>& oat_file) { 5868bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray UniqueCPtr<const char[]> path(realpath(oat_file->GetLocation().c_str(), nullptr)); 593f093891e55383055eecc940b724ee1f24f50123Andreas Gampe return path != nullptr && android::base::StartsWith(oat_file->GetLocation(), 603f093891e55383055eecc940b724ee1f24f50123Andreas Gampe GetAndroidRoot().c_str()); 6168bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray} 6268bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray 63f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartierconst OatFile* OatFileManager::RegisterOatFile(std::unique_ptr<const OatFile> oat_file) { 64e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier WriterMutexLock mu(Thread::Current(), *Locks::oat_file_manager_lock_); 6568bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray CHECK(!only_use_system_oat_files_ || OatFileIsOnSystem(oat_file)) 6668bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray << "Registering a non /system oat file: " << oat_file->GetLocation(); 67f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier DCHECK(oat_file != nullptr); 68f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (kIsDebugBuild) { 69e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier CHECK(oat_files_.find(oat_file) == oat_files_.end()); 70f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier for (const std::unique_ptr<const OatFile>& existing : oat_files_) { 71f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier CHECK_NE(oat_file.get(), existing.get()) << oat_file->GetLocation(); 72f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Check that we don't have an oat file with the same address. Copies of the same oat file 73f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // should be loaded at different addresses. 74f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier CHECK_NE(oat_file->Begin(), existing->Begin()) << "Oat file already mapped at that location"; 75f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 76f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 77f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier have_non_pic_oat_file_ = have_non_pic_oat_file_ || !oat_file->IsPic(); 78e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier const OatFile* ret = oat_file.get(); 79e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier oat_files_.insert(std::move(oat_file)); 80e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier return ret; 81e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier} 82e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier 83e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartiervoid OatFileManager::UnRegisterAndDeleteOatFile(const OatFile* oat_file) { 84e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier WriterMutexLock mu(Thread::Current(), *Locks::oat_file_manager_lock_); 85e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier DCHECK(oat_file != nullptr); 86e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier std::unique_ptr<const OatFile> compare(oat_file); 87e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier auto it = oat_files_.find(compare); 88e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier CHECK(it != oat_files_.end()); 89e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier oat_files_.erase(it); 90e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier compare.release(); 91f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 92f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 930b791279f67b0f4b72db991707b16b737871bcdeCalin Juravleconst OatFile* OatFileManager::FindOpenedOatFileFromDexLocation( 940b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle const std::string& dex_base_location) const { 950b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle ReaderMutexLock mu(Thread::Current(), *Locks::oat_file_manager_lock_); 960b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle for (const std::unique_ptr<const OatFile>& oat_file : oat_files_) { 970b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle const std::vector<const OatDexFile*>& oat_dex_files = oat_file->GetOatDexFiles(); 980b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle for (const OatDexFile* oat_dex_file : oat_dex_files) { 9979c87da9d4698ec58ece65af0065eebd55a1cfe0Mathieu Chartier if (DexFileLoader::GetBaseLocation(oat_dex_file->GetDexFileLocation()) == dex_base_location) { 1000b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle return oat_file.get(); 1010b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle } 1020b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle } 1030b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle } 1040b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle return nullptr; 1050b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle} 1060b791279f67b0f4b72db991707b16b737871bcdeCalin Juravle 107f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartierconst OatFile* OatFileManager::FindOpenedOatFileFromOatLocation(const std::string& oat_location) 108f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier const { 109f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier ReaderMutexLock mu(Thread::Current(), *Locks::oat_file_manager_lock_); 110e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier return FindOpenedOatFileFromOatLocationLocked(oat_location); 111e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier} 112e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier 113e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartierconst OatFile* OatFileManager::FindOpenedOatFileFromOatLocationLocked( 114e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier const std::string& oat_location) const { 115f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier for (const std::unique_ptr<const OatFile>& oat_file : oat_files_) { 116f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (oat_file->GetLocation() == oat_location) { 117f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return oat_file.get(); 118f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 119f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 120f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return nullptr; 121f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 122f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 123dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Haostd::vector<const OatFile*> OatFileManager::GetBootOatFiles() const { 124dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao std::vector<const OatFile*> oat_files; 125dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao std::vector<gc::space::ImageSpace*> image_spaces = 126dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao Runtime::Current()->GetHeap()->GetBootImageSpaces(); 127dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao for (gc::space::ImageSpace* image_space : image_spaces) { 128dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao oat_files.push_back(image_space->GetOatFile()); 129dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao } 130dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao return oat_files; 131f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 132f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 133f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartierconst OatFile* OatFileManager::GetPrimaryOatFile() const { 134f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier ReaderMutexLock mu(Thread::Current(), *Locks::oat_file_manager_lock_); 135dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao std::vector<const OatFile*> boot_oat_files = GetBootOatFiles(); 136dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao if (!boot_oat_files.empty()) { 137f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier for (const std::unique_ptr<const OatFile>& oat_file : oat_files_) { 138dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao if (std::find(boot_oat_files.begin(), boot_oat_files.end(), oat_file.get()) == 139dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao boot_oat_files.end()) { 140f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return oat_file.get(); 141f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 142f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 143f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 144f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return nullptr; 145f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 146f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 147b0b68cfc0d2444e2333adcc5a6bc6f670b89fe83Vladimir MarkoOatFileManager::OatFileManager() 148b0b68cfc0d2444e2333adcc5a6bc6f670b89fe83Vladimir Marko : have_non_pic_oat_file_(false), only_use_system_oat_files_(false) {} 149b0b68cfc0d2444e2333adcc5a6bc6f670b89fe83Vladimir Marko 150f9c6fc610b27887f832e453a0da1789187293408Mathieu ChartierOatFileManager::~OatFileManager() { 151e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier // Explicitly clear oat_files_ since the OatFile destructor calls back into OatFileManager for 152e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier // UnRegisterOatFileLocation. 153e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier oat_files_.clear(); 154f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 155f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 156dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Haostd::vector<const OatFile*> OatFileManager::RegisterImageOatFiles( 157dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao std::vector<gc::space::ImageSpace*> spaces) { 158dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao std::vector<const OatFile*> oat_files; 159dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao for (gc::space::ImageSpace* space : spaces) { 160dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao oat_files.push_back(RegisterOatFile(space->ReleaseOatFile())); 161dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao } 162dcdc85bbd569f0ee66c331b4219c19304a616214Jeff Hao return oat_files; 163f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 164f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 1658ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Haoclass TypeIndexInfo { 1668ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao public: 1678ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao explicit TypeIndexInfo(const DexFile* dex_file) 1688ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao : type_indexes_(GenerateTypeIndexes(dex_file)), 1698ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao iter_(type_indexes_.Indexes().begin()), 1708ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao end_(type_indexes_.Indexes().end()) { } 1718ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 1728ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao BitVector& GetTypeIndexes() { 1738ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao return type_indexes_; 1748ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 1758ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao BitVector::IndexIterator& GetIterator() { 1768ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao return iter_; 1778ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 1788ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao BitVector::IndexIterator& GetIteratorEnd() { 1798ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao return end_; 1808ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 1818ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao void AdvanceIterator() { 1828ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao iter_++; 1838ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 1848ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 1858ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao private: 1868ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao static BitVector GenerateTypeIndexes(const DexFile* dex_file) { 1878ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao BitVector type_indexes(/*start_bits*/0, /*expandable*/true, Allocator::GetMallocAllocator()); 1888ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao for (uint16_t i = 0; i < dex_file->NumClassDefs(); ++i) { 1898ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao const DexFile::ClassDef& class_def = dex_file->GetClassDef(i); 1908ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao uint16_t type_idx = class_def.class_idx_.index_; 1918ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao type_indexes.SetBit(type_idx); 1928ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 1938ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao return type_indexes; 1948ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 1958ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 1968ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // BitVector with bits set for the type indexes of all classes in the input dex file. 1978ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao BitVector type_indexes_; 1988ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao BitVector::IndexIterator iter_; 1998ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao BitVector::IndexIterator end_; 2008ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao}; 2018ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 202f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartierclass DexFileAndClassPair : ValueObject { 203f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier public: 2048ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao DexFileAndClassPair(const DexFile* dex_file, TypeIndexInfo* type_info, bool from_loaded_oat) 2058ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao : type_info_(type_info), 206f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier dex_file_(dex_file), 2078ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao cached_descriptor_(dex_file_->StringByTypeIdx(dex::TypeIndex(*type_info->GetIterator()))), 2088ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao from_loaded_oat_(from_loaded_oat) { 2098ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao type_info_->AdvanceIterator(); 2108ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 211f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 21280b37b7e679a530738c9bcbd39873b6dacf177e5Mathieu Chartier DexFileAndClassPair(const DexFileAndClassPair& rhs) = default; 213f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 21480b37b7e679a530738c9bcbd39873b6dacf177e5Mathieu Chartier DexFileAndClassPair& operator=(const DexFileAndClassPair& rhs) = default; 215f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 216f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier const char* GetCachedDescriptor() const { 217f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return cached_descriptor_; 218f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 219f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 220f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier bool operator<(const DexFileAndClassPair& rhs) const { 221f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier const int cmp = strcmp(cached_descriptor_, rhs.cached_descriptor_); 222f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (cmp != 0) { 223f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Note that the order must be reversed. We want to iterate over the classes in dex files. 224f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // They are sorted lexicographically. Thus, the priority-queue must be a min-queue. 225f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return cmp > 0; 226f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 227f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return dex_file_ < rhs.dex_file_; 228f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 229f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 230f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier bool DexFileHasMoreClasses() const { 2318ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao return type_info_->GetIterator() != type_info_->GetIteratorEnd(); 232f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 233f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 234f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier void Next() { 2358ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao cached_descriptor_ = dex_file_->StringByTypeIdx(dex::TypeIndex(*type_info_->GetIterator())); 2368ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao type_info_->AdvanceIterator(); 237f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 238f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 239f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier bool FromLoadedOat() const { 240f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return from_loaded_oat_; 241f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 242f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 243f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier const DexFile* GetDexFile() const { 244f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao return dex_file_; 245f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao } 246f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao 247f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier private: 2488ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao TypeIndexInfo* type_info_; 249f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao const DexFile* dex_file_; 2508ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao const char* cached_descriptor_; 251f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier bool from_loaded_oat_; // We only need to compare mismatches between what we load now 252f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // and what was loaded before. Any old duplicates must have been 253f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // OK, and any new "internal" duplicates are as well (they must 254f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // be from multidex, which resolves correctly). 255f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier}; 256f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 2578ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Haostatic void AddDexFilesFromOat( 2588ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao const OatFile* oat_file, 2598ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao /*out*/std::vector<const DexFile*>* dex_files, 2608ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao std::vector<std::unique_ptr<const DexFile>>* opened_dex_files) { 261f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier for (const OatDexFile* oat_dex_file : oat_file->GetOatDexFiles()) { 262f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier std::string error; 263f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error); 264f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (dex_file == nullptr) { 265f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier LOG(WARNING) << "Could not create dex file from oat file: " << error; 266f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } else if (dex_file->NumClassDefs() > 0U) { 2678ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao dex_files->push_back(dex_file.get()); 26814d7b3e37b6129d845d6c8da8ee8d612937c63d4Mathieu Chartier opened_dex_files->push_back(std::move(dex_file)); 269f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 270f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 271f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 272f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 2738ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Haostatic void AddNext(/*inout*/DexFileAndClassPair& original, 2748ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao /*inout*/std::priority_queue<DexFileAndClassPair>& heap) { 2758ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao if (original.DexFileHasMoreClasses()) { 2768ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao original.Next(); 2778ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao heap.push(std::move(original)); 278f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao } 279f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao} 280f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao 2818ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Haostatic bool CollisionCheck(std::vector<const DexFile*>& dex_files_loaded, 2828ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao std::vector<const DexFile*>& dex_files_unloaded, 2838ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao std::string* error_msg /*out*/) { 2848ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // Generate type index information for each dex file. 2858ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao std::vector<TypeIndexInfo> loaded_types; 2868ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao for (const DexFile* dex_file : dex_files_loaded) { 2878ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao loaded_types.push_back(TypeIndexInfo(dex_file)); 2888ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 2898ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao std::vector<TypeIndexInfo> unloaded_types; 2908ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao for (const DexFile* dex_file : dex_files_unloaded) { 2918ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao unloaded_types.push_back(TypeIndexInfo(dex_file)); 2928ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 2938ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 2948ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // Populate the queue of dex file and class pairs with the loaded and unloaded dex files. 2958ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao std::priority_queue<DexFileAndClassPair> queue; 2968ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao for (size_t i = 0; i < dex_files_loaded.size(); ++i) { 2978ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao if (loaded_types[i].GetIterator() != loaded_types[i].GetIteratorEnd()) { 2988ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao queue.emplace(dex_files_loaded[i], &loaded_types[i], /*from_loaded_oat*/true); 2998ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 3008ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 3018ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao for (size_t i = 0; i < dex_files_unloaded.size(); ++i) { 3028ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao if (unloaded_types[i].GetIterator() != unloaded_types[i].GetIteratorEnd()) { 3038ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao queue.emplace(dex_files_unloaded[i], &unloaded_types[i], /*from_loaded_oat*/false); 3048ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 3058ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 3068ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 3078ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // Now drain the queue. 3080471ece3d0166097619da19c9f43522200bfda78Jeff Hao bool has_duplicates = false; 3090471ece3d0166097619da19c9f43522200bfda78Jeff Hao error_msg->clear(); 3108ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao while (!queue.empty()) { 3118ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // Modifying the top element is only safe if we pop right after. 3128ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao DexFileAndClassPair compare_pop(queue.top()); 3138ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao queue.pop(); 3148ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 3158ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // Compare against the following elements. 3168ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao while (!queue.empty()) { 3178ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao DexFileAndClassPair top(queue.top()); 3188ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao if (strcmp(compare_pop.GetCachedDescriptor(), top.GetCachedDescriptor()) == 0) { 3198ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // Same descriptor. Check whether it's crossing old-oat-files to new-oat-files. 3208ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao if (compare_pop.FromLoadedOat() != top.FromLoadedOat()) { 3210471ece3d0166097619da19c9f43522200bfda78Jeff Hao error_msg->append( 3220471ece3d0166097619da19c9f43522200bfda78Jeff Hao StringPrintf("Found duplicated class when checking oat files: '%s' in %s and %s\n", 3238ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao compare_pop.GetCachedDescriptor(), 3248ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao compare_pop.GetDexFile()->GetLocation().c_str(), 3250471ece3d0166097619da19c9f43522200bfda78Jeff Hao top.GetDexFile()->GetLocation().c_str())); 3260471ece3d0166097619da19c9f43522200bfda78Jeff Hao if (!VLOG_IS_ON(oat)) { 3270471ece3d0166097619da19c9f43522200bfda78Jeff Hao return true; 3280471ece3d0166097619da19c9f43522200bfda78Jeff Hao } 3290471ece3d0166097619da19c9f43522200bfda78Jeff Hao has_duplicates = true; 3308ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } 3318ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao queue.pop(); 3328ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao AddNext(top, queue); 3338ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao } else { 3348ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao // Something else. Done here. 335f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao break; 336f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao } 337f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao } 3388ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao AddNext(compare_pop, queue); 339f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao } 3408ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao 3410471ece3d0166097619da19c9f43522200bfda78Jeff Hao return has_duplicates; 342f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao} 343f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao 344f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier// Check for class-def collisions in dex files. 345f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier// 34627e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle// This first walks the class loader chain present in the given context, getting all the dex files 34727e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle// from the class loader. 348f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao// 34927e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle// If the context is null (which means the initial class loader was null or unsupported) 35027e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle// this returns false. b/37777332. 35127e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle// 35227e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle// This first checks whether all class loaders in the context have the same type and 35327e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle// classpath. If so, we exit early. Otherwise, we do the collision check. 354f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao// 355f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao// The collision check works by maintaining a heap with one class from each dex file, sorted by the 356f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao// class descriptor. Then a dex-file/class pair is continually removed from the heap and compared 357f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier// against the following top element. If the descriptor is the same, it is now checked whether 358f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier// the two elements agree on whether their dex file was from an already-loaded oat-file or the 359f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier// new oat file. Any disagreement indicates a collision. 360f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartierbool OatFileManager::HasCollisions(const OatFile* oat_file, 36127e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle const ClassLoaderContext* context, 362f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier std::string* error_msg /*out*/) const { 363f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier DCHECK(oat_file != nullptr); 364f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier DCHECK(error_msg != nullptr); 365f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao 3663f9186446faa01636475596335240f39472ba9f4Calin Juravle // The context might be null if there are unrecognized class loaders in the chain or they 3673f9186446faa01636475596335240f39472ba9f4Calin Juravle // don't meet sensible sanity conditions. In this case we assume that the app knows what it's 3683f9186446faa01636475596335240f39472ba9f4Calin Juravle // doing and accept the oat file. 3693f9186446faa01636475596335240f39472ba9f4Calin Juravle // Note that this has correctness implications as we cannot guarantee that the class resolution 3703f9186446faa01636475596335240f39472ba9f4Calin Juravle // used during compilation is OK (b/37777332). 3713f9186446faa01636475596335240f39472ba9f4Calin Juravle if (context == nullptr) { 3723f9186446faa01636475596335240f39472ba9f4Calin Juravle LOG(WARNING) << "Skipping duplicate class check due to unsupported classloader"; 3735c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath return false; 374f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 375f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 3763f9186446faa01636475596335240f39472ba9f4Calin Juravle // If the pat file loading context matches the context used during compilation then we accept 3773f9186446faa01636475596335240f39472ba9f4Calin Juravle // the oat file without addition checks 37844e5efa4ae79cf76c65f37fc41c1fa0ed431ec4aCalin Juravle if (context->VerifyClassLoaderContextMatch(oat_file->GetClassLoaderContext())) { 379f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return false; 380f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 381f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 3823f9186446faa01636475596335240f39472ba9f4Calin Juravle // The class loader context does not match. Perform a full duplicate classes check. 3833f9186446faa01636475596335240f39472ba9f4Calin Juravle 3843f9186446faa01636475596335240f39472ba9f4Calin Juravle std::vector<const DexFile*> dex_files_loaded = context->FlattenOpenedDexFiles(); 3853f9186446faa01636475596335240f39472ba9f4Calin Juravle 3865c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // Vector that holds the newly opened dex files live, this is done to prevent leaks. 3875c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath std::vector<std::unique_ptr<const DexFile>> opened_dex_files; 3885c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath 3891fdbe1b034d97b852551d24e70245df64f03ebebAndreas Gampe ScopedTrace st("Collision check"); 390f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Add dex files from the oat file to check. 3918ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao std::vector<const DexFile*> dex_files_unloaded; 3928ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao AddDexFilesFromOat(oat_file, &dex_files_unloaded, &opened_dex_files); 3938ec0a20abae9a1e9a708ee02dd2639351933c028Jeff Hao return CollisionCheck(dex_files_loaded, dex_files_unloaded, error_msg); 394f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 395f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 396f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartierstd::vector<std::unique_ptr<const DexFile>> OatFileManager::OpenDexFilesFromOat( 397f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier const char* dex_location, 398fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier jobject class_loader, 399fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier jobjectArray dex_elements, 400e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier const OatFile** out_oat_file, 401f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier std::vector<std::string>* error_msgs) { 40232ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier ScopedTrace trace(__FUNCTION__); 403f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier CHECK(dex_location != nullptr); 404f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier CHECK(error_msgs != nullptr); 405f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 406f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Verify we aren't holding the mutator lock, which could starve GC if we 407f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // have to generate or relocate an oat file. 408fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier Thread* const self = Thread::Current(); 409fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier Locks::mutator_lock_->AssertNotHeld(self); 410fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier Runtime* const runtime = Runtime::Current(); 411b077e15d2d11b7c81aacbcd4a46c2b1e9c9ba20dCalin Juravle 41227e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle std::unique_ptr<ClassLoaderContext> context; 41327e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle // If the class_loader is null there's not much we can do. This happens if a dex files is loaded 41427e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle // directly with DexFile APIs instead of using class loaders. 41527e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle if (class_loader == nullptr) { 41627e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle LOG(WARNING) << "Opening an oat file without a class loader. " 41727e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle << "Are you using the deprecated DexFile APIs?"; 41827e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle context = nullptr; 41927e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle } else { 42027e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle context = ClassLoaderContext::CreateContextForClassLoader(class_loader, dex_elements); 42127e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle } 42227e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle 423f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier OatFileAssistant oat_file_assistant(dex_location, 424f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier kRuntimeISA, 425fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier !runtime->IsAotCompiler()); 426f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 427f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Lock the target oat location to avoid races generating and loading the 428f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // oat file. 429f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier std::string error_msg; 430f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (!oat_file_assistant.Lock(/*out*/&error_msg)) { 431f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Don't worry too much if this fails. If it does fail, it's unlikely we 432f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // can generate an oat file anyway. 433f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier VLOG(class_linker) << "OatFileAssistant::Lock: " << error_msg; 434f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 435f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 436f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier const OatFile* source_oat_file = nullptr; 437f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 43868bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray // No point in trying to make up-to-date if we can only use system oat files. 43968bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray if (!only_use_system_oat_files_ && !oat_file_assistant.IsUpToDate()) { 44001be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler // Update the oat file on disk if we can, based on the --compiler-filter 44101be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler // option derived from the current runtime options. 44201be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler // This may fail, but that's okay. Best effort is all that matters here. 4438d8d37b80e9f5f2ffd664c54e31337f178c3e62cCalin Juravle // TODO(calin): b/64530081 b/66984396. Pass a null context to verify and compile 4448d8d37b80e9f5f2ffd664c54e31337f178c3e62cCalin Juravle // secondary dex files in isolation (and avoid to extract/verify the main apk 4458d8d37b80e9f5f2ffd664c54e31337f178c3e62cCalin Juravle // if it's in the class path). Note this trades correctness for performance 4468d8d37b80e9f5f2ffd664c54e31337f178c3e62cCalin Juravle // since the resulting slow down is unacceptable in some cases until b/64530081 4478d8d37b80e9f5f2ffd664c54e31337f178c3e62cCalin Juravle // is fixed. 44855f39ed15652f2215e0d6369c3628435694e51d4Nicolas Geoffray // We still pass the class loader context when the classpath string of the runtime 44955f39ed15652f2215e0d6369c3628435694e51d4Nicolas Geoffray // is not empty, which is the situation when ART is invoked standalone. 45055f39ed15652f2215e0d6369c3628435694e51d4Nicolas Geoffray ClassLoaderContext* actual_context = Runtime::Current()->GetClassPathString().empty() 45155f39ed15652f2215e0d6369c3628435694e51d4Nicolas Geoffray ? nullptr 45255f39ed15652f2215e0d6369c3628435694e51d4Nicolas Geoffray : context.get(); 4538d8d37b80e9f5f2ffd664c54e31337f178c3e62cCalin Juravle switch (oat_file_assistant.MakeUpToDate(/*profile_changed*/ false, 45455f39ed15652f2215e0d6369c3628435694e51d4Nicolas Geoffray actual_context, 45544e5efa4ae79cf76c65f37fc41c1fa0ed431ec4aCalin Juravle /*out*/ &error_msg)) { 45601be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler case OatFileAssistant::kUpdateFailed: 45701be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler LOG(WARNING) << error_msg; 45801be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler break; 45901be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler 46001be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler case OatFileAssistant::kUpdateNotAttempted: 46101be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler // Avoid spamming the logs if we decided not to attempt making the oat 46201be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler // file up to date. 46301be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler VLOG(oat) << error_msg; 46401be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler break; 46501be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler 46601be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler case OatFileAssistant::kUpdateSucceeded: 46701be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler // Nothing to do. 46801be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler break; 46901be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler } 470f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 471f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 472f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Get the oat file on disk. 473f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier std::unique_ptr<const OatFile> oat_file(oat_file_assistant.GetBestOatFile().release()); 474fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier 47568bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray if (oat_file != nullptr && only_use_system_oat_files_ && !OatFileIsOnSystem(oat_file)) { 47668bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray // If the oat file is not on /system, don't use it. 47768bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray } else if ((class_loader != nullptr || dex_elements != nullptr) && oat_file != nullptr) { 47868bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray // Prevent oat files from being loaded if no class_loader or dex_elements are provided. 47968bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray // This can happen when the deprecated DexFile.<init>(String) is called directly, and it 48068bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray // could load oat files without checking the classpath, which would be incorrect. 481f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Take the file only if it has no collisions, or we must take it because of preopting. 482f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao bool accept_oat_file = 48327e0d1f3da2e0b7046dacb40794739d739e454a3Calin Juravle !HasCollisions(oat_file.get(), context.get(), /*out*/ &error_msg); 484f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (!accept_oat_file) { 485f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Failed the collision check. Print warning. 486f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (Runtime::Current()->IsDexFileFallbackEnabled()) { 4875c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath if (!oat_file_assistant.HasOriginalDexFiles()) { 4885c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // We need to fallback but don't have original dex files. We have to 4895c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // fallback to opening the existing oat file. This is potentially 4905c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // unsafe so we warn about it. 4915c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath accept_oat_file = true; 4925c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath 4935c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath LOG(WARNING) << "Dex location " << dex_location << " does not seem to include dex file. " 4945c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath << "Allow oat file use. This is potentially dangerous."; 4955c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath } else { 4965c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // We have to fallback and found original dex files - extract them from an APK. 4975c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // Also warn about this operation because it's potentially wasteful. 4985c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath LOG(WARNING) << "Found duplicate classes, falling back to extracting from APK : " 4995c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath << dex_location; 5005c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath LOG(WARNING) << "NOTE: This wastes RAM and hurts startup performance."; 5015c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath } 502f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } else { 5035c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // TODO: We should remove this. The fact that we're here implies -Xno-dex-file-fallback 5045c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // was set, which means that we should never fallback. If we don't have original dex 5055c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath // files, we should just fail resolution as the flag intended. 5065c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath if (!oat_file_assistant.HasOriginalDexFiles()) { 5075c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath accept_oat_file = true; 5085c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath } 5095c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath 510f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier LOG(WARNING) << "Found duplicate classes, dex-file-fallback disabled, will be failing to " 511f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier " load classes for " << dex_location; 512f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 513f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 5145c525746c63f48f11aee787103d023511c54e4e3Narayan Kamath LOG(WARNING) << error_msg; 515f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 516f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 517f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (accept_oat_file) { 518f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier VLOG(class_linker) << "Registering " << oat_file->GetLocation(); 519f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier source_oat_file = RegisterOatFile(std::move(oat_file)); 520e58991b3b2282b5761f1a6023a16c803e1c4eb45Mathieu Chartier *out_oat_file = source_oat_file; 521f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 522f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 523f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 524f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier std::vector<std::unique_ptr<const DexFile>> dex_files; 525f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 526f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Load the dex files from the oat file. 527f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (source_oat_file != nullptr) { 528fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier bool added_image_space = false; 529fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier if (source_oat_file->IsExecutable()) { 530a463b6a920a2a0bf14f9cca20a561b412b9349d1Andreas Gampe std::unique_ptr<gc::space::ImageSpace> image_space = 531a463b6a920a2a0bf14f9cca20a561b412b9349d1Andreas Gampe kEnableAppImage ? oat_file_assistant.OpenImageSpace(source_oat_file) : nullptr; 532fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier if (image_space != nullptr) { 533fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier ScopedObjectAccess soa(self); 534fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier StackHandleScope<1> hs(self); 535fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier Handle<mirror::ClassLoader> h_loader( 5360795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier hs.NewHandle(soa.Decode<mirror::ClassLoader>(class_loader))); 537fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier // Can not load app image without class loader. 538fa4333dcb481e564f54726b4e6f8153612df835eAndreas Gampe if (h_loader != nullptr) { 539fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier std::string temp_error_msg; 540fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier // Add image space has a race condition since other threads could be reading from the 541fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier // spaces array. 542a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier { 543a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier ScopedThreadSuspension sts(self, kSuspended); 54461d2b2d353ba4ab952247d2bff2c905598118bb4Mathieu Chartier gc::ScopedGCCriticalSection gcs(self, 54561d2b2d353ba4ab952247d2bff2c905598118bb4Mathieu Chartier gc::kGcCauseAddRemoveAppImageSpace, 54661d2b2d353ba4ab952247d2bff2c905598118bb4Mathieu Chartier gc::kCollectorTypeAddRemoveAppImageSpace); 547a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier ScopedSuspendAll ssa("Add image space"); 548a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier runtime->GetHeap()->AddSpace(image_space.get()); 549a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier } 55032ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier { 55132ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier ScopedTrace trace2(StringPrintf("Adding image space for location %s", dex_location)); 55232ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier added_image_space = runtime->GetClassLinker()->AddImageSpace(image_space.get(), 55332ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier h_loader, 55432ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier dex_elements, 55532ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier dex_location, 55632ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier /*out*/&dex_files, 55732ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier /*out*/&temp_error_msg); 55832ce2adefb8a3d0eda59a29f5e87c1eb43eef796Mathieu Chartier } 559a6e81ed4c185b7362cd5199ebe5507d00883a9b0Mathieu Chartier if (added_image_space) { 560bd064ea2269b23360e32e8139c22d5993ddc385bMathieu Chartier // Successfully added image space to heap, release the map so that it does not get 561bd064ea2269b23360e32e8139c22d5993ddc385bMathieu Chartier // freed. 562bd064ea2269b23360e32e8139c22d5993ddc385bMathieu Chartier image_space.release(); 5630bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta 5640bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta // Register for tracking. 5650bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta for (const auto& dex_file : dex_files) { 5660bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta dex::tracking::RegisterDexFile(dex_file.get()); 5670bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta } 568bd064ea2269b23360e32e8139c22d5993ddc385bMathieu Chartier } else { 569fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier LOG(INFO) << "Failed to add image file " << temp_error_msg; 570fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier dex_files.clear(); 571a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier { 572a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier ScopedThreadSuspension sts(self, kSuspended); 57361d2b2d353ba4ab952247d2bff2c905598118bb4Mathieu Chartier gc::ScopedGCCriticalSection gcs(self, 57461d2b2d353ba4ab952247d2bff2c905598118bb4Mathieu Chartier gc::kGcCauseAddRemoveAppImageSpace, 57561d2b2d353ba4ab952247d2bff2c905598118bb4Mathieu Chartier gc::kCollectorTypeAddRemoveAppImageSpace); 576a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier ScopedSuspendAll ssa("Remove image space"); 577a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier runtime->GetHeap()->RemoveSpace(image_space.get()); 578a9d82fe8bc6960b565245b920e99107a824ca515Mathieu Chartier } 579fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier // Non-fatal, don't update error_msg. 580fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier } 581fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier } 582fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier } 583fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier } 584fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier if (!added_image_space) { 585fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier DCHECK(dex_files.empty()); 586fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier dex_files = oat_file_assistant.LoadDexFiles(*source_oat_file, dex_location); 5870bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta 5880bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta // Register for tracking. 5890bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta for (const auto& dex_file : dex_files) { 5900bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta dex::tracking::RegisterDexFile(dex_file.get()); 5910bb4031b976aeb2bad88db81115fea46b19878f0Bharadwaj Kalandhabhatta } 592fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier } 593f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (dex_files.empty()) { 594f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier error_msgs->push_back("Failed to open dex files from " + source_oat_file->GetLocation()); 595be8303d3e7afb5a9088b69858cbcf40cf8737d1aMathieu Chartier } else { 596120aa286ab6adf3e76a31bc61fb4e583e5158d71Mathieu Chartier // Opened dex files from an oat file, madvise them to their loaded state. 597120aa286ab6adf3e76a31bc61fb4e583e5158d71Mathieu Chartier for (const std::unique_ptr<const DexFile>& dex_file : dex_files) { 598120aa286ab6adf3e76a31bc61fb4e583e5158d71Mathieu Chartier OatDexFile::MadviseDexFile(*dex_file, MadviseState::kMadviseStateAtLoad); 599120aa286ab6adf3e76a31bc61fb4e583e5158d71Mathieu Chartier } 600f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 601f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 602f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 603f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // Fall back to running out of the original dex file if we couldn't load any 604f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier // dex_files from the oat file. 605f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (dex_files.empty()) { 606f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (oat_file_assistant.HasOriginalDexFiles()) { 607f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier if (Runtime::Current()->IsDexFileFallbackEnabled()) { 60837d6a3bbf5826abb73f872ed0bc4c6ae9553e274Aart Bik static constexpr bool kVerifyChecksum = true; 609095c6c96236476b605b3ac672f6d2b8c151e9479Nicolas Geoffray if (!DexFileLoader::Open(dex_location, 610095c6c96236476b605b3ac672f6d2b8c151e9479Nicolas Geoffray dex_location, 611e875f4c210ce0598e47b6d66ec12cd7c60208844Nicolas Geoffray Runtime::Current()->IsVerificationEnabled(), 612095c6c96236476b605b3ac672f6d2b8c151e9479Nicolas Geoffray kVerifyChecksum, 613095c6c96236476b605b3ac672f6d2b8c151e9479Nicolas Geoffray /*out*/ &error_msg, 614095c6c96236476b605b3ac672f6d2b8c151e9479Nicolas Geoffray &dex_files)) { 615f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier LOG(WARNING) << error_msg; 6163045b66613404fa973aafc8c2aae3728e9c12d9aAlex Light error_msgs->push_back("Failed to open dex files from " + std::string(dex_location) 6173045b66613404fa973aafc8c2aae3728e9c12d9aAlex Light + " because: " + error_msg); 618f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 619f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } else { 620f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier error_msgs->push_back("Fallback mode disabled, skipping dex files."); 621f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 622f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } else { 623f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier error_msgs->push_back("No original dex files found for dex location " 624f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier + std::string(dex_location)); 625f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 626f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier } 627c90bc92bc577020ff4d3caced4cee1cdf41fa5deCalin Juravle 628f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier return dex_files; 629f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} 630f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier 63168bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffrayvoid OatFileManager::SetOnlyUseSystemOatFiles() { 63268bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray ReaderMutexLock mu(Thread::Current(), *Locks::oat_file_manager_lock_); 63368bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray CHECK_EQ(oat_files_.size(), GetBootOatFiles().size()); 63468bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray only_use_system_oat_files_ = true; 63568bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray} 63668bf3903250ff0bea11c4705ba331818c5bf5792Nicolas Geoffray 63704680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffrayvoid OatFileManager::DumpForSigQuit(std::ostream& os) { 63804680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray ReaderMutexLock mu(Thread::Current(), *Locks::oat_file_manager_lock_); 63904680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray std::vector<const OatFile*> boot_oat_files = GetBootOatFiles(); 64004680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray for (const std::unique_ptr<const OatFile>& oat_file : oat_files_) { 64104680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray if (ContainsElement(boot_oat_files, oat_file.get())) { 64204680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray continue; 64304680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray } 64429d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe os << oat_file->GetLocation() << ": " << oat_file->GetCompilerFilter() << "\n"; 64504680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray } 64604680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray} 64704680f3d7b021a0afb460266d442f564186a3b6fNicolas Geoffray 648f9c6fc610b27887f832e453a0da1789187293408Mathieu Chartier} // namespace art 649