166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler/* 266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * Copyright (C) 2014 The Android Open Source Project 366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * 466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * Licensed under the Apache License, Version 2.0 (the "License"); 566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * you may not use this file except in compliance with the License. 666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * You may obtain a copy of the License at 766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * 866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * http://www.apache.org/licenses/LICENSE-2.0 966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * 1066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * Unless required by applicable law or agreed to in writing, software 1166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * distributed under the License is distributed on an "AS IS" BASIS, 1266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * See the License for the specific language governing permissions and 1466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler * limitations under the License. 1566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler */ 1666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 1766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "oat_file_assistant.h" 1866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 1946cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler#include <sstream> 2046cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler 2166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include <sys/stat.h> 229186ced255f2e7402646b5b286deebb540640734Andreas Gampe 23c15a2f4f45661a7f5f542e406282c146ea1a968dAndreas Gampe#include "android-base/stringprintf.h" 249186ced255f2e7402646b5b286deebb540640734Andreas Gampe#include "android-base/strings.h" 259186ced255f2e7402646b5b286deebb540640734Andreas Gampe 2666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "base/logging.h" 278943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath#include "compiler_filter.h" 2866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "class_linker.h" 2997c381e3ce34cd327c2ec35fa850bd0eaa9b697fDavid Sehr#include "exec_utils.h" 3066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "gc/heap.h" 3166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "gc/space/image_space.h" 3266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "image.h" 3366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "oat.h" 3466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "os.h" 3566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "runtime.h" 360795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier#include "scoped_thread_state_change-inl.h" 3766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler#include "utils.h" 382f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler#include "vdex_file.h" 3966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 4066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhlernamespace art { 4166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 4269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhlerusing android::base::StringPrintf; 4369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler 448943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamathstd::ostream& operator << (std::ostream& stream, const OatFileAssistant::OatStatus status) { 458943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath switch (status) { 4603bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case OatFileAssistant::kOatCannotOpen: 4703bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler stream << "kOatCannotOpen"; 4803bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler break; 4903bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case OatFileAssistant::kOatDexOutOfDate: 5003bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler stream << "kOatDexOutOfDate"; 5103bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler break; 5203bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case OatFileAssistant::kOatBootImageOutOfDate: 5303bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler stream << "kOatBootImageOutOfDate"; 5403bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler break; 5503bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case OatFileAssistant::kOatRelocationOutOfDate: 5603bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler stream << "kOatRelocationOutOfDate"; 578943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath break; 588943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath case OatFileAssistant::kOatUpToDate: 598943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath stream << "kOatUpToDate"; 608943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath break; 618943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath default: 628943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath UNREACHABLE(); 638943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath } 648943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath 658943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath return stream; 668943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath} 678943c1dc59da4dd182fb906bbe111d3b598b9fdbNarayan Kamath 6866d874d96d5699bb090c59f47a5a528956ca053eRichard UhlerOatFileAssistant::OatFileAssistant(const char* dex_location, 6966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler const InstructionSet isa, 7066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler bool load_executable) 7188bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler : isa_(isa), 7288bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler load_executable_(load_executable), 7388bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler odex_(this, /*is_oat_location*/ false), 7488bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler oat_(this, /*is_oat_location*/ true) { 75740eec92a7f63e8ddff1e007ae624d548a4e5a16Richard Uhler CHECK(dex_location != nullptr) << "OatFileAssistant: null dex location"; 767c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 777c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Try to get the realpath for the dex location. 787c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // 797c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // This is OK with respect to dalvik cache naming scheme because we never 807c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // generate oat files starting from symlinks which go into dalvik cache. 817c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // (recall that the oat files in dalvik cache are encoded by replacing '/' 827c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // with '@' in the path). 837c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The boot image oat files (which are symlinked in dalvik-cache) are not 847c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // loaded via the oat file assistant. 857c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // 867c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The only case when the dex location may resolve to a different path 877c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // is for secondary dex files (e.g. /data/user/0 symlinks to /data/data and 887c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // the app is free to create its own internal layout). Related to this it is 897c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // worthwhile to mention that installd resolves the secondary dex location 907c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // before calling dex2oat. 917c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle UniqueCPtr<const char[]> dex_location_real(realpath(dex_location, nullptr)); 927c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (dex_location_real != nullptr) { 937c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle dex_location_.assign(dex_location_real.get()); 947c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } else { 957c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // If we can't get the realpath of the location there's not much point in trying to move on. 967c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle PLOG(ERROR) << "Could not get the realpath of dex_location " << dex_location; 977c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return; 987c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 99740eec92a7f63e8ddff1e007ae624d548a4e5a16Richard Uhler 10066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (load_executable_ && isa != kRuntimeISA) { 10166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler LOG(WARNING) << "OatFileAssistant: Load executable specified, " 10266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler << "but isa is not kRuntimeISA. Will not attempt to load executable."; 10366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler load_executable_ = false; 10466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 10566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 106743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler // Get the odex filename. 107d684f52a252e2e953401dc1313a9ce7e3d770353Richard Uhler std::string error_msg; 108743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler std::string odex_file_name; 109743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (DexLocationToOdexFilename(dex_location_, isa_, &odex_file_name, &error_msg)) { 110743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler odex_.Reset(odex_file_name); 111743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } else { 112d684f52a252e2e953401dc1313a9ce7e3d770353Richard Uhler LOG(WARNING) << "Failed to determine odex file name: " << error_msg; 113d684f52a252e2e953401dc1313a9ce7e3d770353Richard Uhler } 114d684f52a252e2e953401dc1313a9ce7e3d770353Richard Uhler 115743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler // Get the oat filename. 1167c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string oat_file_name; 1177c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (DexLocationToOatFilename(dex_location_, isa_, &oat_file_name, &error_msg)) { 1187c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle oat_.Reset(oat_file_name); 119d684f52a252e2e953401dc1313a9ce7e3d770353Richard Uhler } else { 1207c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle LOG(WARNING) << "Failed to determine oat file name for dex location " 121d684f52a252e2e953401dc1313a9ce7e3d770353Richard Uhler << dex_location_ << ": " << error_msg; 1227c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 1237c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 1247c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Check if the dex directory is writable. 1257c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // This will be needed in most uses of OatFileAssistant and so it's OK to 1267c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // compute it eagerly. (the only use which will not make use of it is 1277c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // OatFileAssistant::GetStatusDump()) 1287c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle size_t pos = dex_location_.rfind('/'); 1297c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (pos == std::string::npos) { 1307c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle LOG(WARNING) << "Failed to determine dex file parent directory: " << dex_location_; 1317c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } else { 1327c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string parent = dex_location_.substr(0, pos); 1337c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (access(parent.c_str(), W_OK) == 0) { 1347c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle dex_parent_writable_ = true; 1357c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } else { 1367c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle VLOG(oat) << "Dex parent of " << dex_location_ << " is not writable: " << strerror(errno); 137d684f52a252e2e953401dc1313a9ce7e3d770353Richard Uhler } 13866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 13966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 14066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 14166d874d96d5699bb090c59f47a5a528956ca053eRichard UhlerOatFileAssistant::~OatFileAssistant() { 14266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // Clean up the lock file. 143581f4e9065b9b7f788315d3ea1a45e51ae168589Richard Uhler if (flock_.HasFile()) { 14466fdcbdb1fde4bf65da5e801ba76a8e65391635bVladimir Marko unlink(flock_.GetFile()->GetPath().c_str()); 14566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 14666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 14766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 14866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhlerbool OatFileAssistant::IsInBootClassPath() { 14966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // Note: We check the current boot class path, regardless of the ISA 15066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // specified by the user. This is okay, because the boot class path should 15166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // be the same for all ISAs. 15266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // TODO: Can we verify the boot class path is the same for all ISAs? 15366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler Runtime* runtime = Runtime::Current(); 15466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler ClassLinker* class_linker = runtime->GetClassLinker(); 15566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler const auto& boot_class_path = class_linker->GetBootClassPath(); 15666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler for (size_t i = 0; i < boot_class_path.size(); i++) { 157740eec92a7f63e8ddff1e007ae624d548a4e5a16Richard Uhler if (boot_class_path[i]->GetLocation() == dex_location_) { 15866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler VLOG(oat) << "Dex location " << dex_location_ << " is in boot class path"; 15966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return true; 16066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 16166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 16266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return false; 16366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 16466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 16566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhlerbool OatFileAssistant::Lock(std::string* error_msg) { 16666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler CHECK(error_msg != nullptr); 167581f4e9065b9b7f788315d3ea1a45e51ae168589Richard Uhler CHECK(!flock_.HasFile()) << "OatFileAssistant::Lock already acquired"; 16866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 1697c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Note the lock will only succeed for secondary dex files and in test 1707c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // environment. 1717c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // 1727c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The lock *will fail* for all primary apks in a production environment. 1737c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The app does not have permissions to create locks next to its dex location 1747c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // (be it system, data or vendor parition). We also cannot use the odex or 1757c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // oat location for the same reasoning. 1767c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // 1777c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // This is best effort and if it fails it's unlikely that we will be able 1787c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // to generate oat files anyway. 1797c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string lock_file_name = dex_location_ + "." + GetInstructionSetString(isa_) + ".flock"; 18066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 181581f4e9065b9b7f788315d3ea1a45e51ae168589Richard Uhler if (!flock_.Init(lock_file_name.c_str(), error_msg)) { 18266fdcbdb1fde4bf65da5e801ba76a8e65391635bVladimir Marko unlink(lock_file_name.c_str()); 18366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return false; 18466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 18566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return true; 18666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 18766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 1887225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhlerint OatFileAssistant::GetDexOptNeeded(CompilerFilter::Filter target, bool profile_changed) { 18988bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler OatFileInfo& info = GetBestInfo(); 19088bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler DexOptNeeded dexopt_needed = info.GetDexOptNeeded(target, profile_changed); 1917225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler if (info.IsOatLocation() || dexopt_needed == kDex2OatFromScratch) { 1927225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler return dexopt_needed; 19366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 1947225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler return -dexopt_needed; 19566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 19666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 197f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler// Figure out the currently specified compile filter option in the runtime. 198f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler// Returns true on success, false if the compiler filter is invalid, in which 199f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler// case error_msg describes the problem. 200f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhlerstatic bool GetRuntimeCompilerFilterOption(CompilerFilter::Filter* filter, 201f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler std::string* error_msg) { 202f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler CHECK(filter != nullptr); 203f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler CHECK(error_msg != nullptr); 204f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler 2057c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *filter = OatFileAssistant::kDefaultCompilerFilterForDexLoading; 206f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler for (StringPiece option : Runtime::Current()->GetCompilerOptions()) { 207f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler if (option.starts_with("--compiler-filter=")) { 208f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler const char* compiler_filter_string = option.substr(strlen("--compiler-filter=")).data(); 209f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler if (!CompilerFilter::ParseCompilerFilter(compiler_filter_string, filter)) { 210f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler *error_msg = std::string("Unknown --compiler-filter value: ") 211f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler + std::string(compiler_filter_string); 212f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler return false; 213f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler } 214f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler } 215f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler } 216f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler return true; 217f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler} 218f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler 21901be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhlerbool OatFileAssistant::IsUpToDate() { 22088bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler return GetBestInfo().Status() == kOatUpToDate; 22101be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler} 22201be68100e96a44b4ff8cb4cb3c9baa346ff048dRichard Uhler 2231e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard UhlerOatFileAssistant::ResultOfAttemptToUpdate 224d1472a27e856ec68ab5a27abaaebe9c61d91d343Richard UhlerOatFileAssistant::MakeUpToDate(bool profile_changed, std::string* error_msg) { 225f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler CompilerFilter::Filter target; 226f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler if (!GetRuntimeCompilerFilterOption(&target, error_msg)) { 227f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler return kUpdateNotAttempted; 228f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler } 229f4b3487ee77e3c2e3d5372ae9e857cd3429bb808Richard Uhler 23088bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler OatFileInfo& info = GetBestInfo(); 23188bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler switch (info.GetDexOptNeeded(target, profile_changed)) { 2327225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler case kNoDexOptNeeded: 2337225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler return kUpdateSucceeded; 2347225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler 2357225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler // TODO: For now, don't bother with all the different ways we can call 2367225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler // dex2oat to generate the oat file. Always generate the oat file as if it 2377225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler // were kDex2OatFromScratch. 2387225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler case kDex2OatFromScratch: 2397225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler case kDex2OatForBootImage: 2407225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler case kDex2OatForRelocation: 2417225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler case kDex2OatForFilter: 242ece4cd85fcf457757384beee93ca946c49ee1e46Calin Juravle return GenerateOatFileNoChecks(info, target, error_msg); 24366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 24466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler UNREACHABLE(); 24566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 24666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 24766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhlerstd::unique_ptr<OatFile> OatFileAssistant::GetBestOatFile() { 24888bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler return GetBestInfo().ReleaseFileForUse(); 24966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 25066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 25146cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhlerstd::string OatFileAssistant::GetStatusDump() { 25246cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler std::ostringstream status; 25346cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler bool oat_file_exists = false; 25446cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler bool odex_file_exists = false; 25503bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler if (oat_.Status() != kOatCannotOpen) { 2562f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // If we can open the file, Filename should not return null. 25703bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler CHECK(oat_.Filename() != nullptr); 25803bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler 25946cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler oat_file_exists = true; 2602f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status << *oat_.Filename() << "[status=" << oat_.Status() << ", "; 2612f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler const OatFile* file = oat_.GetFile(); 2622f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (file == nullptr) { 2632f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // If the file is null even though the status is not kOatCannotOpen, it 2642f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // means we must have a vdex file with no corresponding oat file. In 2652f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // this case we cannot determine the compilation filter. Indicate that 2662f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // we have only the vdex file instead. 2672f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status << "vdex-only"; 2682f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } else { 2692f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status << "compilation_filter=" << CompilerFilter::NameOfFilter(file->GetCompilerFilter()); 2702f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 27146cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler } 27246cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler 27303bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler if (odex_.Status() != kOatCannotOpen) { 2742f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // If we can open the file, Filename should not return null. 27503bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler CHECK(odex_.Filename() != nullptr); 27603bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler 27746cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler odex_file_exists = true; 27846cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler if (oat_file_exists) { 27946cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler status << "] "; 28046cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler } 2812f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status << *odex_.Filename() << "[status=" << odex_.Status() << ", "; 2822f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler const OatFile* file = odex_.GetFile(); 2832f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (file == nullptr) { 2842f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status << "vdex-only"; 2852f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } else { 2862f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status << "compilation_filter=" << CompilerFilter::NameOfFilter(file->GetCompilerFilter()); 2872f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 28846cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler } 28946cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler 29046cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler if (!oat_file_exists && !odex_file_exists) { 29146cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler status << "invalid["; 29246cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler } 29346cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler 29446cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler status << "]"; 29546cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler return status.str(); 29646cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler} 29746cc64f11b1b1f0ac5e4aebd665b325a68d4d42fRichard Uhler 29866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhlerstd::vector<std::unique_ptr<const DexFile>> OatFileAssistant::LoadDexFiles( 29966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler const OatFile& oat_file, const char* dex_location) { 30066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler std::vector<std::unique_ptr<const DexFile>> dex_files; 30166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 30269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler // Load the main dex file. 30366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler std::string error_msg; 30466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler const OatFile::OatDexFile* oat_dex_file = oat_file.GetOatDexFile( 3059a37efc6e1a8dd9fe6978f209fb493510267c528Richard Uhler dex_location, nullptr, &error_msg); 30666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (oat_dex_file == nullptr) { 3079a37efc6e1a8dd9fe6978f209fb493510267c528Richard Uhler LOG(WARNING) << error_msg; 30866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return std::vector<std::unique_ptr<const DexFile>>(); 30966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 31066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 311b1d8c314b55bb2df2b2bb72a3daaf5db65b7ebc7Igor Murashkin std::unique_ptr<const DexFile> dex_file = oat_dex_file->OpenDexFile(&error_msg); 31266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (dex_file.get() == nullptr) { 31366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler LOG(WARNING) << "Failed to open dex file from oat dex file: " << error_msg; 31466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return std::vector<std::unique_ptr<const DexFile>>(); 31566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 31666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler dex_files.push_back(std::move(dex_file)); 31766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 31869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler // Load the rest of the multidex entries 31990e34043ff7bf8926e8fe6a6d5011a9daa68d320Andreas Gampe for (size_t i = 1; ; i++) { 32069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler std::string multidex_dex_location = DexFile::GetMultiDexLocation(i, dex_location); 32169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler oat_dex_file = oat_file.GetOatDexFile(multidex_dex_location.c_str(), nullptr); 3222cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (oat_dex_file == nullptr) { 32369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler // There are no more multidex entries to load. 32466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler break; 32566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 32666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 327b1d8c314b55bb2df2b2bb72a3daaf5db65b7ebc7Igor Murashkin dex_file = oat_dex_file->OpenDexFile(&error_msg); 32866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (dex_file.get() == nullptr) { 32966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler LOG(WARNING) << "Failed to open dex file from oat dex file: " << error_msg; 33066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return std::vector<std::unique_ptr<const DexFile>>(); 33166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 33266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler dex_files.push_back(std::move(dex_file)); 33366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 33466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return dex_files; 33566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 33666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 3379b994ea841eaaefbdda652251894a74db9cefcc8Richard Uhlerbool OatFileAssistant::HasOriginalDexFiles() { 33869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler // Ensure GetRequiredDexChecksums has been run so that 3399b994ea841eaaefbdda652251894a74db9cefcc8Richard Uhler // has_original_dex_files_ is initialized. We don't care about the result of 34069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler // GetRequiredDexChecksums. 34169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler GetRequiredDexChecksums(); 3429b994ea841eaaefbdda652251894a74db9cefcc8Richard Uhler return has_original_dex_files_; 3439b994ea841eaaefbdda652251894a74db9cefcc8Richard Uhler} 3449b994ea841eaaefbdda652251894a74db9cefcc8Richard Uhler 34595abd04d211470ea4b9b9191b96dd0f32e7ce3a4Richard UhlerOatFileAssistant::OatStatus OatFileAssistant::OdexFileStatus() { 346743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return odex_.Status(); 347e8109f738514d146e30baad2b046cef133a00e86Richard Uhler} 348e8109f738514d146e30baad2b046cef133a00e86Richard Uhler 34995abd04d211470ea4b9b9191b96dd0f32e7ce3a4Richard UhlerOatFileAssistant::OatStatus OatFileAssistant::OatFileStatus() { 350743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return oat_.Status(); 351e8109f738514d146e30baad2b046cef133a00e86Richard Uhler} 352e8109f738514d146e30baad2b046cef133a00e86Richard Uhler 3532f27abd6685f9be3a0923552afa1147751b438f9Richard Uhlerbool OatFileAssistant::DexChecksumUpToDate(const VdexFile& file, std::string* error_msg) { 35469bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler const std::vector<uint32_t>* required_dex_checksums = GetRequiredDexChecksums(); 35569bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (required_dex_checksums == nullptr) { 35669bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler LOG(WARNING) << "Required dex checksums not found. Assuming dex checksums are up to date."; 35769bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler return true; 35869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler } 35969bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler 36069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler uint32_t number_of_dex_files = file.GetHeader().GetNumberOfDexFiles(); 36169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (required_dex_checksums->size() != number_of_dex_files) { 36269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler *error_msg = StringPrintf("expected %zu dex files but found %u", 36369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler required_dex_checksums->size(), 36469bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler number_of_dex_files); 3652f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return false; 366402089a27b25a9d1112c49189eb83a567719188fRichard Uhler } 367402089a27b25a9d1112c49189eb83a567719188fRichard Uhler 36869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler for (uint32_t i = 0; i < number_of_dex_files; i++) { 36969bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler uint32_t expected_checksum = (*required_dex_checksums)[i]; 37069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler uint32_t actual_checksum = file.GetLocationChecksum(i); 37169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (expected_checksum != actual_checksum) { 37269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler std::string dex = DexFile::GetMultiDexLocation(i, dex_location_.c_str()); 37369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler *error_msg = StringPrintf("Dex checksum does not match for dex: %s." 37469bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler "Expected: %u, actual: %u", 37569bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler dex.c_str(), 37669bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler expected_checksum, 37769bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler actual_checksum); 3782f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return false; 3792f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 3802f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 3812f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler 3822f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return true; 3832f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler} 3842f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler 3852f27abd6685f9be3a0923552afa1147751b438f9Richard Uhlerbool OatFileAssistant::DexChecksumUpToDate(const OatFile& file, std::string* error_msg) { 38669bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler const std::vector<uint32_t>* required_dex_checksums = GetRequiredDexChecksums(); 38769bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (required_dex_checksums == nullptr) { 38869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler LOG(WARNING) << "Required dex checksums not found. Assuming dex checksums are up to date."; 38969bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler return true; 39069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler } 39169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler 39269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler uint32_t number_of_dex_files = file.GetOatHeader().GetDexFileCount(); 39369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (required_dex_checksums->size() != number_of_dex_files) { 39469bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler *error_msg = StringPrintf("expected %zu dex files but found %u", 39569bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler required_dex_checksums->size(), 39669bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler number_of_dex_files); 3972f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return false; 39866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 39966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 40069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler for (uint32_t i = 0; i < number_of_dex_files; i++) { 40169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler std::string dex = DexFile::GetMultiDexLocation(i, dex_location_.c_str()); 40269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler uint32_t expected_checksum = (*required_dex_checksums)[i]; 40369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler const OatFile::OatDexFile* oat_dex_file = file.GetOatDexFile(dex.c_str(), nullptr); 40469bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (oat_dex_file == nullptr) { 40569bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler *error_msg = StringPrintf("failed to find %s in %s", dex.c_str(), file.GetLocation().c_str()); 40669bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler return false; 40766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 40869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler uint32_t actual_checksum = oat_dex_file->GetDexFileLocationChecksum(); 40969bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (expected_checksum != actual_checksum) { 41069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler VLOG(oat) << "Dex checksum does not match for dex: " << dex 41169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler << ". Expected: " << expected_checksum 41269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler << ", Actual: " << actual_checksum; 41369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler return false; 41466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 41566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 4162f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return true; 4172f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler} 4182f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler 4192f27abd6685f9be3a0923552afa1147751b438f9Richard UhlerOatFileAssistant::OatStatus OatFileAssistant::GivenOatFileStatus(const OatFile& file) { 4202f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // Verify the ART_USE_READ_BARRIER state. 4212f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // TODO: Don't fully reject files due to read barrier state. If they contain 4222f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // compiled code and are otherwise okay, we should return something like 4232f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // kOatRelocationOutOfDate. If they don't contain compiled code, the read 4242f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // barrier state doesn't matter. 4252f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler const bool is_cc = file.GetOatHeader().IsConcurrentCopying(); 4262f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler constexpr bool kRuntimeIsCC = kUseReadBarrier; 4272f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (is_cc != kRuntimeIsCC) { 4282f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return kOatCannotOpen; 4292f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 4302f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler 4312f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // Verify the dex checksum. 4322f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler std::string error_msg; 4332f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (kIsVdexEnabled) { 4342f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler VdexFile* vdex = file.GetVdexFile(); 4352f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (!DexChecksumUpToDate(*vdex, &error_msg)) { 4362f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler LOG(ERROR) << error_msg; 4372f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return kOatDexOutOfDate; 4382f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 4392f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } else { 4402f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (!DexChecksumUpToDate(file, &error_msg)) { 4412f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler LOG(ERROR) << error_msg; 4422f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler return kOatDexOutOfDate; 4432f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 4442f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 44566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 44629d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe CompilerFilter::Filter current_compiler_filter = file.GetCompilerFilter(); 447a62d2f04a6ecf804f8a78e722a6ca8ccb2dfa931Richard Uhler 448845e5064580bd37ad5014f7aa0d078be7265464dNicolas Geoffray // Verify the image checksum 44929d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe if (CompilerFilter::DependsOnImageChecksum(current_compiler_filter)) { 45029d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe const ImageInfo* image_info = GetImageInfo(); 45129d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe if (image_info == nullptr) { 45229d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << "No image for oat image checksum to match against."; 45329d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe 45476f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler if (HasOriginalDexFiles()) { 45503bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler return kOatBootImageOutOfDate; 45676f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler } 45776f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler 45876f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler // If there is no original dex file to fall back to, grudgingly accept 45976f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler // the oat file. This could technically lead to crashes, but there's no 46076f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler // way we could find a better oat file to use for this dex location, 46176f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler // and it's better than being stuck in a boot loop with no way out. 46276f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler // The problem will hopefully resolve itself the next time the runtime 46376f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler // starts up. 46476f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler LOG(WARNING) << "Dex location " << dex_location_ << " does not seem to include dex file. " 46576f5cb6026b9c83bf00fd1007703503a327f704dRichard Uhler << "Allow oat file use. This is potentially dangerous."; 46695e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler } else if (file.GetOatHeader().GetImageFileLocationOatChecksum() != image_info->oat_checksum) { 46729d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << "Oat image checksum does not match image checksum."; 46803bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler return kOatBootImageOutOfDate; 46929d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } 47029d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } else { 47129d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << "Image checksum test skipped for compiler filter " << current_compiler_filter; 47266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 47366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 474a10ac2ac733a9dc07962cfea2502605141e61953Nicolas Geoffray if (CompilerFilter::IsAotCompilationEnabled(current_compiler_filter)) { 47529d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe if (!file.IsPic()) { 47629d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe const ImageInfo* image_info = GetImageInfo(); 47729d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe if (image_info == nullptr) { 47829d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << "No image to check oat relocation against."; 47903bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler return kOatRelocationOutOfDate; 48029d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } 48166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 48229d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe // Verify the oat_data_begin recorded for the image in the oat file matches 48329d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe // the actual oat_data_begin for boot.oat in the image. 48429d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe const OatHeader& oat_header = file.GetOatHeader(); 48529d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe uintptr_t oat_data_begin = oat_header.GetImageFileLocationOatDataBegin(); 48629d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe if (oat_data_begin != image_info->oat_data_begin) { 48729d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << file.GetLocation() << 48829d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe ": Oat file image oat_data_begin (" << oat_data_begin << ")" 48929d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe << " does not match actual image oat_data_begin (" 49029d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe << image_info->oat_data_begin << ")"; 49103bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler return kOatRelocationOutOfDate; 49229d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } 493a62d2f04a6ecf804f8a78e722a6ca8ccb2dfa931Richard Uhler 49429d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe // Verify the oat_patch_delta recorded for the image in the oat file matches 49529d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe // the actual oat_patch_delta for the image. 49629d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe int32_t oat_patch_delta = oat_header.GetImagePatchDelta(); 49729d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe if (oat_patch_delta != image_info->patch_delta) { 49829d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << file.GetLocation() << 49929d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe ": Oat file image patch delta (" << oat_patch_delta << ")" 50029d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe << " does not match actual image patch delta (" 50129d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe << image_info->patch_delta << ")"; 50203bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler return kOatRelocationOutOfDate; 50329d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } 50429d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } else { 50529d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe // Oat files compiled in PIC mode do not require relocation. 50629d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << "Oat relocation test skipped for PIC oat file"; 50729d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } 50829d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe } else { 50929d38e77c553c6cf71fc4dafe2d22b4e3f814872Andreas Gampe VLOG(oat) << "Oat relocation test skipped for compiler filter " << current_compiler_filter; 51066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 511e8109f738514d146e30baad2b046cef133a00e86Richard Uhler return kOatUpToDate; 51266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 51366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 5147c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravlestatic bool DexLocationToOdexNames(const std::string& location, 5157c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle InstructionSet isa, 5167c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string* odex_filename, 5177c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string* oat_dir, 5187c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string* isa_dir, 5197c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string* error_msg) { 5207c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle CHECK(odex_filename != nullptr); 5217c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle CHECK(error_msg != nullptr); 5227c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5237c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The odex file name is formed by replacing the dex_location extension with 5247c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // .odex and inserting an oat/<isa> directory. For example: 5257c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // location = /foo/bar/baz.jar 5267c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // odex_location = /foo/bar/oat/<isa>/baz.odex 5277c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5287c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Find the directory portion of the dex location and add the oat/<isa> 5297c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // directory. 5307c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle size_t pos = location.rfind('/'); 5317c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (pos == std::string::npos) { 5327c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *error_msg = "Dex location " + location + " has no directory."; 5337c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 5347c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5357c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string dir = location.substr(0, pos+1); 5367c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Add the oat directory. 5377c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle dir += "oat"; 5387c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (oat_dir != nullptr) { 5397c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *oat_dir = dir; 5407c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5417c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Add the isa directory 5427c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle dir += "/" + std::string(GetInstructionSetString(isa)); 5437c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (isa_dir != nullptr) { 5447c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *isa_dir = dir; 5457c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5467c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5477c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Get the base part of the file without the extension. 5487c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string file = location.substr(pos+1); 5497c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle pos = file.rfind('.'); 5507c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (pos == std::string::npos) { 5517c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *error_msg = "Dex location " + location + " has no extension."; 5527c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 5537c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5547c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string base = file.substr(0, pos); 5557c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5567c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *odex_filename = dir + "/" + base + ".odex"; 5577c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return true; 5587c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle} 5597c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5607c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle// Prepare a subcomponent of the odex directory. 5617c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle// (i.e. create and set the expected permissions on the path `dir`). 5627c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravlestatic bool PrepareDirectory(const std::string& dir, std::string* error_msg) { 5637c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle struct stat dir_stat; 5647c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (TEMP_FAILURE_RETRY(stat(dir.c_str(), &dir_stat)) == 0) { 5657c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The directory exists. Check if it is indeed a directory. 5667c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (!S_ISDIR(dir_stat.st_mode)) { 5677c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *error_msg = dir + " is not a dir"; 5687c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 5697c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } else { 5707c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The dir is already on disk. 5717c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return true; 5727c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5737c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5747c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5757c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Failed to stat. We need to create the directory. 5767c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (errno != ENOENT) { 5777c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *error_msg = "Could not stat isa dir " + dir + ":" + strerror(errno); 5787c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 5797c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5807c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5817c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle mode_t mode = S_IRWXU | S_IXGRP | S_IXOTH; 5827c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (mkdir(dir.c_str(), mode) != 0) { 5837c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *error_msg = "Could not create dir " + dir + ":" + strerror(errno); 5847c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 5857c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5867c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (chmod(dir.c_str(), mode) != 0) { 5877c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *error_msg = "Could not create the oat dir " + dir + ":" + strerror(errno); 5887c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 5897c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 5907c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return true; 5917c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle} 5927c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 5937c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle// Prepares the odex directory for the given dex location. 5947c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravlestatic bool PrepareOdexDirectories(const std::string& dex_location, 5957c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle const std::string& expected_odex_location, 5967c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle InstructionSet isa, 5977c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string* error_msg) { 5987c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string actual_odex_location; 5997c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string oat_dir; 6007c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle std::string isa_dir; 6017c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (!DexLocationToOdexNames( 6027c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle dex_location, isa, &actual_odex_location, &oat_dir, &isa_dir, error_msg)) { 6037c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 6047c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 6057c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle DCHECK_EQ(expected_odex_location, actual_odex_location); 6067c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 6077c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (!PrepareDirectory(oat_dir, error_msg)) { 6087c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 6097c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 6107c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (!PrepareDirectory(isa_dir, error_msg)) { 6117c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return false; 6127c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 6137c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return true; 6147c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle} 6157c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 6167c0a418d495cd0a14904c10ea49255a867107dd0Calin JuravleOatFileAssistant::ResultOfAttemptToUpdate OatFileAssistant::GenerateOatFileNoChecks( 617ece4cd85fcf457757384beee93ca946c49ee1e46Calin Juravle OatFileAssistant::OatFileInfo& info, CompilerFilter::Filter filter, std::string* error_msg) { 61866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler CHECK(error_msg != nullptr); 61966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 6208327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler Runtime* runtime = Runtime::Current(); 6218327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler if (!runtime->IsDex2OatEnabled()) { 622740eec92a7f63e8ddff1e007ae624d548a4e5a16Richard Uhler *error_msg = "Generation of oat file for dex location " + dex_location_ 6238327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler + " not attempted because dex2oat is disabled."; 6241e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateNotAttempted; 62566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 62666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 6277c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (info.Filename() == nullptr) { 6288327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler *error_msg = "Generation of oat file for dex location " + dex_location_ 6298327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler + " not attempted because the oat file name could not be determined."; 6301e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateNotAttempted; 63166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 6327c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle const std::string& oat_file_name = *info.Filename(); 633cabbbc22b6a02e0b0e9fb717a1f92921b757e8f3Calin Juravle const std::string& vdex_file_name = GetVdexFilename(oat_file_name); 63466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 63566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // dex2oat ignores missing dex files and doesn't report an error. 63666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // Check explicitly here so we can detect the error properly. 63766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // TODO: Why does dex2oat behave that way? 6387c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle struct stat dex_path_stat; 6397c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (TEMP_FAILURE_RETRY(stat(dex_location_.c_str(), &dex_path_stat)) != 0) { 6407c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle *error_msg = "Could not access dex location " + dex_location_ + ":" + strerror(errno); 6411e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateNotAttempted; 64266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 64366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 6447c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // If this is the odex location, we need to create the odex file layout (../oat/isa/..) 6457c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (!info.IsOatLocation()) { 6467c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (!PrepareOdexDirectories(dex_location_, oat_file_name, isa_, error_msg)) { 6477c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return kUpdateNotAttempted; 6487c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 6497c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 6507c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 6517c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Set the permissions for the oat and the vdex files. 6527c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The user always gets read and write while the group and others propagate 6537c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // the reading access of the original dex file. 6547c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle mode_t file_mode = S_IRUSR | S_IWUSR | 6557c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle (dex_path_stat.st_mode & S_IRGRP) | 6567c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle (dex_path_stat.st_mode & S_IROTH); 6577c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 6587b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil std::unique_ptr<File> vdex_file(OS::CreateEmptyFile(vdex_file_name.c_str())); 6597b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil if (vdex_file.get() == nullptr) { 6607b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil *error_msg = "Generation of oat file " + oat_file_name 6617b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil + " not attempted because the vdex file " + vdex_file_name 6627b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil + " could not be opened."; 6637b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil return kUpdateNotAttempted; 6647b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil } 6657b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil 6667c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (fchmod(vdex_file->Fd(), file_mode) != 0) { 6677b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil *error_msg = "Generation of oat file " + oat_file_name 6687b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil + " not attempted because the vdex file " + vdex_file_name 6697b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil + " could not be made world readable."; 6707b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil return kUpdateNotAttempted; 6717b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil } 6727b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil 6737b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil std::unique_ptr<File> oat_file(OS::CreateEmptyFile(oat_file_name.c_str())); 6748327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler if (oat_file.get() == nullptr) { 6758327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler *error_msg = "Generation of oat file " + oat_file_name 6768327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler + " not attempted because the oat file could not be created."; 6771e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateNotAttempted; 6788327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler } 6798327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler 6807c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (fchmod(oat_file->Fd(), file_mode) != 0) { 6818327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler *error_msg = "Generation of oat file " + oat_file_name 6828327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler + " not attempted because the oat file could not be made world readable."; 6838327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler oat_file->Erase(); 6841e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateNotAttempted; 6858327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler } 6868327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler 6878327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler std::vector<std::string> args; 6888327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler args.push_back("--dex-file=" + dex_location_); 689a6a448adb226ed2bc33ba83e1a9ed1ac5c8e990dNicolas Geoffray args.push_back("--output-vdex-fd=" + std::to_string(vdex_file->Fd())); 6908327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler args.push_back("--oat-fd=" + std::to_string(oat_file->Fd())); 6918327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler args.push_back("--oat-location=" + oat_file_name); 692ece4cd85fcf457757384beee93ca946c49ee1e46Calin Juravle args.push_back("--compiler-filter=" + CompilerFilter::NameOfFilter(filter)); 6938327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler 69466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (!Dex2Oat(args, error_msg)) { 6957b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil // Manually delete the oat and vdex files. This ensures there is no garbage 6967b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil // left over if the process unexpectedly died. 6977b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil vdex_file->Erase(); 6987b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil unlink(vdex_file_name.c_str()); 6998327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler oat_file->Erase(); 70066fdcbdb1fde4bf65da5e801ba76a8e65391635bVladimir Marko unlink(oat_file_name.c_str()); 7011e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateFailed; 7028327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler } 7038327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler 7047b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil if (vdex_file->FlushCloseOrErase() != 0) { 7057b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil *error_msg = "Unable to close vdex file " + vdex_file_name; 7067b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil unlink(vdex_file_name.c_str()); 7077b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil return kUpdateFailed; 7087b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil } 7097b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil 7108327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler if (oat_file->FlushCloseOrErase() != 0) { 7118327cf74d5f87bd64572b56bb8b77bd701adb976Richard Uhler *error_msg = "Unable to close oat file " + oat_file_name; 71266fdcbdb1fde4bf65da5e801ba76a8e65391635bVladimir Marko unlink(oat_file_name.c_str()); 7131e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateFailed; 71466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 71566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 7167c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Mark that the odex file has changed and we should try to reload. 7177c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle info.Reset(); 7181e860619cdcc9c0b6a202a247c50cf7633ac7b74Richard Uhler return kUpdateSucceeded; 71966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 72066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 72166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhlerbool OatFileAssistant::Dex2Oat(const std::vector<std::string>& args, 72266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler std::string* error_msg) { 72366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler Runtime* runtime = Runtime::Current(); 72466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler std::string image_location = ImageLocation(); 72566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (image_location.empty()) { 72666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler *error_msg = "No image location found for Dex2Oat."; 72766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return false; 72866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 72966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 73066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler std::vector<std::string> argv; 73166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back(runtime->GetCompilerExecutable()); 73266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("--runtime-arg"); 73366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("-classpath"); 73466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("--runtime-arg"); 735f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao std::string class_path = runtime->GetClassPathString(); 736f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao if (class_path == "") { 737f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao class_path = OatFile::kSpecialSharedLibrary; 738f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao } 739f0192c86a58b2f43378c9a2113007538dd38ddbfJeff Hao argv.push_back(class_path); 740433b79a9130df5f2375b9d3d7518c1f3fb84a467Nicolas Geoffray if (runtime->IsJavaDebuggable()) { 7410de1133ba600f299b3d67938f650720d9f859eb2Sebastien Hertz argv.push_back("--debuggable"); 7420de1133ba600f299b3d67938f650720d9f859eb2Sebastien Hertz } 743b1d8c314b55bb2df2b2bb72a3daaf5db65b7ebc7Igor Murashkin runtime->AddCurrentRuntimeFeaturesAsDex2OatArguments(&argv); 74466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 74566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (!runtime->IsVerificationEnabled()) { 74666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("--compiler-filter=verify-none"); 74766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 74866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 74966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (runtime->MustRelocateIfPossible()) { 75066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("--runtime-arg"); 75166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("-Xrelocate"); 75266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } else { 75366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("--runtime-arg"); 75466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("-Xnorelocate"); 75566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 75666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 75766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (!kIsTargetBuild) { 75866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("--host"); 75966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 76066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 76166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.push_back("--boot-image=" + image_location); 76266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 76366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler std::vector<std::string> compiler_options = runtime->GetCompilerOptions(); 76466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.insert(argv.end(), compiler_options.begin(), compiler_options.end()); 76566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 76666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler argv.insert(argv.end(), args.begin(), args.end()); 76766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 7689186ced255f2e7402646b5b286deebb540640734Andreas Gampe std::string command_line(android::base::Join(argv, ' ')); 76966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler return Exec(argv, error_msg); 77066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 77166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 772b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhlerbool OatFileAssistant::DexLocationToOdexFilename(const std::string& location, 773b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler InstructionSet isa, 774b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler std::string* odex_filename, 775b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler std::string* error_msg) { 7767c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return DexLocationToOdexNames(location, isa, odex_filename, nullptr, nullptr, error_msg); 77766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 77866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 779b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhlerbool OatFileAssistant::DexLocationToOatFilename(const std::string& location, 780b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler InstructionSet isa, 781b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler std::string* oat_filename, 782b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler std::string* error_msg) { 783b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler CHECK(oat_filename != nullptr); 784b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler CHECK(error_msg != nullptr); 78566d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 78655b58b6b68727ac714ed5ce2ff2f45a33caf9368Richard Uhler std::string cache_dir = GetDalvikCache(GetInstructionSetString(isa)); 78755b58b6b68727ac714ed5ce2ff2f45a33caf9368Richard Uhler if (cache_dir.empty()) { 78855b58b6b68727ac714ed5ce2ff2f45a33caf9368Richard Uhler *error_msg = "Dalvik cache directory does not exist"; 78955b58b6b68727ac714ed5ce2ff2f45a33caf9368Richard Uhler return false; 79055b58b6b68727ac714ed5ce2ff2f45a33caf9368Richard Uhler } 791b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler 792b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler // TODO: The oat file assistant should be the definitive place for 793b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler // determining the oat file name from the dex location, not 794b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler // GetDalvikCacheFilename. 795b81881dc40fb376844b0f8b38bc6592260b6ad06Richard Uhler return GetDalvikCacheFilename(location.c_str(), cache_dir.c_str(), oat_filename, error_msg); 79666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 79766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 79866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhlerstd::string OatFileAssistant::ImageLocation() { 79966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler Runtime* runtime = Runtime::Current(); 8008994a04162a92759f8ec531d18ee8901145dfda0Andreas Gampe const std::vector<gc::space::ImageSpace*>& image_spaces = 8018994a04162a92759f8ec531d18ee8901145dfda0Andreas Gampe runtime->GetHeap()->GetBootImageSpaces(); 8028994a04162a92759f8ec531d18ee8901145dfda0Andreas Gampe if (image_spaces.empty()) { 8038994a04162a92759f8ec531d18ee8901145dfda0Andreas Gampe return ""; 8048994a04162a92759f8ec531d18ee8901145dfda0Andreas Gampe } 8058994a04162a92759f8ec531d18ee8901145dfda0Andreas Gampe return image_spaces[0]->GetImageLocation(); 80666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 80766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 80869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhlerconst std::vector<uint32_t>* OatFileAssistant::GetRequiredDexChecksums() { 80969bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (!required_dex_checksums_attempted_) { 81069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler required_dex_checksums_attempted_ = true; 81169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler required_dex_checksums_found_ = false; 81269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler cached_required_dex_checksums_.clear(); 81366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler std::string error_msg; 81469bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (DexFile::GetMultiDexChecksums(dex_location_.c_str(), 81569bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler &cached_required_dex_checksums_, 81669bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler &error_msg)) { 81769bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler required_dex_checksums_found_ = true; 8189b994ea841eaaefbdda652251894a74db9cefcc8Richard Uhler has_original_dex_files_ = true; 81966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } else { 82066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // This can happen if the original dex file has been stripped from the 82166d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler // apk. 82266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler VLOG(oat) << "OatFileAssistant: " << error_msg; 8239b994ea841eaaefbdda652251894a74db9cefcc8Richard Uhler has_original_dex_files_ = false; 82466d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 82569bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler // Get the checksums from the odex if we can. 826743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler const OatFile* odex_file = odex_.GetFile(); 82766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler if (odex_file != nullptr) { 82869bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler required_dex_checksums_found_ = true; 82969bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler for (size_t i = 0; i < odex_file->GetOatHeader().GetDexFileCount(); i++) { 83069bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler std::string dex = DexFile::GetMultiDexLocation(i, dex_location_.c_str()); 83169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler const OatFile::OatDexFile* odex_dex_file = odex_file->GetOatDexFile(dex.c_str(), nullptr); 83269bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler if (odex_dex_file == nullptr) { 83369bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler required_dex_checksums_found_ = false; 83469bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler break; 83569bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler } 83669bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler cached_required_dex_checksums_.push_back(odex_dex_file->GetDexFileLocationChecksum()); 83766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 83866d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 83966d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 84066d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 84169bcf2c940d26d65767bea7417317cf9a0431e0cRichard Uhler return required_dex_checksums_found_ ? &cached_required_dex_checksums_ : nullptr; 84266d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} 84366d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 84495e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhlerstd::unique_ptr<OatFileAssistant::ImageInfo> 84595e0967b8aa7a0f9abcb148f58dbf697a482e886Richard UhlerOatFileAssistant::ImageInfo::GetRuntimeImageInfo(InstructionSet isa, std::string* error_msg) { 84695e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler CHECK(error_msg != nullptr); 847b11ffb7f33d70da0eb2caf891bbfdab9129fe5b4Jeff Hao 84895e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler Runtime* runtime = Runtime::Current(); 8498f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler std::unique_ptr<ImageInfo> info(new ImageInfo()); 8508f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler info->location = runtime->GetImageLocation(); 8518f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler 8528f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler std::unique_ptr<ImageHeader> image_header( 8538f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler gc::space::ImageSpace::ReadImageHeader(info->location.c_str(), isa, error_msg)); 8548f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler if (image_header == nullptr) { 85595e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler return nullptr; 85666d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler } 85766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler 8588f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler info->oat_checksum = image_header->GetOatChecksum(); 8598f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler info->oat_data_begin = reinterpret_cast<uintptr_t>(image_header->GetOatDataBegin()); 8608f10486b82b7b2cf3ca1a3d2f59f46075d831071Richard Uhler info->patch_delta = image_header->GetPatchDelta(); 86195e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler return info; 862b11ffb7f33d70da0eb2caf891bbfdab9129fe5b4Jeff Hao} 863b11ffb7f33d70da0eb2caf891bbfdab9129fe5b4Jeff Hao 86495e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhlerconst OatFileAssistant::ImageInfo* OatFileAssistant::GetImageInfo() { 865b11ffb7f33d70da0eb2caf891bbfdab9129fe5b4Jeff Hao if (!image_info_load_attempted_) { 86695e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler image_info_load_attempted_ = true; 86795e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler std::string error_msg; 86895e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler cached_image_info_ = ImageInfo::GetRuntimeImageInfo(isa_, &error_msg); 86995e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler if (cached_image_info_ == nullptr) { 87095e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler LOG(WARNING) << "Unable to get runtime image info: " << error_msg; 87195e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler } 87295e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler } 87395e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler return cached_image_info_.get(); 87495e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler} 87595e0967b8aa7a0f9abcb148f58dbf697a482e886Richard Uhler 87688bc673b146cb5fda01b4139b6e8ceec5221f106Richard UhlerOatFileAssistant::OatFileInfo& OatFileAssistant::GetBestInfo() { 8777c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // TODO(calin): Document the side effects of class loading when 8787c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // running dalvikvm command line. 8797c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (dex_parent_writable_) { 8807c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // If the parent of the dex file is writable it means that we can 8817c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // create the odex file. In this case we unconditionally pick the odex 8827c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // as the best oat file. This corresponds to the regular use case when 8837c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // apps gets installed or when they load private, secondary dex file. 8847c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // For apps on the system partition the odex location will not be 8857c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // writable and thus the oat location might be more up to date. 8867c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return odex_; 8877c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 8887c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 8897c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // We cannot write to the odex location. This must be a system app. 8907c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 8917c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // If the oat location is usable take it. 8927c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (oat_.IsUseable()) { 8937c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return oat_; 8947c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 8957c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 8967c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The oat file is not usable but the odex file might be up to date. 8977c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // This is an indication that we are dealing with an up to date prebuilt 8987c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // (that doesn't need relocation). 8997c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (odex_.Status() == kOatUpToDate) { 9007c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return odex_; 9017c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 9027c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 9037c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // The oat file is not usable and the odex file is not up to date. 9047c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // However we have access to the original dex file which means we can make 9057c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // the oat location up to date. 9067c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle if (HasOriginalDexFiles()) { 9077c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return oat_; 9087c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle } 9097c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle 9107c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // We got into the worst situation here: 9117c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // - the oat location is not usable 9127c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // - the prebuild odex location is not up to date 9137c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // - and we don't have the original dex file anymore (stripped). 9147c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle // Pick the odex if it exists, or the oat if not. 9157c0a418d495cd0a14904c10ea49255a867107dd0Calin Juravle return (odex_.Status() == kOatCannotOpen) ? oat_ : odex_; 91688bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler} 91788bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler 918a463b6a920a2a0bf14f9cca20a561b412b9349d1Andreas Gampestd::unique_ptr<gc::space::ImageSpace> OatFileAssistant::OpenImageSpace(const OatFile* oat_file) { 919fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier DCHECK(oat_file != nullptr); 9207b49e6cade09bc65b3b5f22d45fc9d0a7184e4f2David Brazdil std::string art_file = ReplaceFileExtension(oat_file->GetLocation(), "art"); 921fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier if (art_file.empty()) { 922fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier return nullptr; 923fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier } 924fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier std::string error_msg; 925fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier ScopedObjectAccess soa(Thread::Current()); 926a463b6a920a2a0bf14f9cca20a561b412b9349d1Andreas Gampe std::unique_ptr<gc::space::ImageSpace> ret = 927a463b6a920a2a0bf14f9cca20a561b412b9349d1Andreas Gampe gc::space::ImageSpace::CreateFromAppImage(art_file.c_str(), oat_file, &error_msg); 928e778fc7332238534b173c2c3e0c4502d12f58da3Mathieu Chartier if (ret == nullptr && (VLOG_IS_ON(image) || OS::FileExists(art_file.c_str()))) { 929fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier LOG(INFO) << "Failed to open app image " << art_file.c_str() << " " << error_msg; 930fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier } 931fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier return ret; 932fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier} 933fbc31087932a65e036a153afab3049dc5298656aMathieu Chartier 93488bc673b146cb5fda01b4139b6e8ceec5221f106Richard UhlerOatFileAssistant::OatFileInfo::OatFileInfo(OatFileAssistant* oat_file_assistant, 93588bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler bool is_oat_location) 93688bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler : oat_file_assistant_(oat_file_assistant), is_oat_location_(is_oat_location) 937743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler{} 938743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 93988bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhlerbool OatFileAssistant::OatFileInfo::IsOatLocation() { 94088bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler return is_oat_location_; 94188bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler} 94288bc673b146cb5fda01b4139b6e8ceec5221f106Richard Uhler 943743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhlerconst std::string* OatFileAssistant::OatFileInfo::Filename() { 944743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return filename_provided_ ? &filename_ : nullptr; 945743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 946743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 94703bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhlerbool OatFileAssistant::OatFileInfo::IsUseable() { 94803bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler switch (Status()) { 94903bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case kOatCannotOpen: 95003bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case kOatDexOutOfDate: 95103bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case kOatBootImageOutOfDate: return false; 95203bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler 95303bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case kOatRelocationOutOfDate: 95403bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler case kOatUpToDate: return true; 95503bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler } 95603bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler UNREACHABLE(); 957743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 958743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 959743bf365c02fd182342879b5cf4d97d66d195a3bRichard UhlerOatFileAssistant::OatStatus OatFileAssistant::OatFileInfo::Status() { 960743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (!status_attempted_) { 961743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler status_attempted_ = true; 962743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler const OatFile* file = GetFile(); 963743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (file == nullptr) { 9642f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // Check to see if there is a vdex file we can make use of. 9652f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler std::string error_msg; 966cabbbc22b6a02e0b0e9fb717a1f92921b757e8f3Calin Juravle std::string vdex_filename = GetVdexFilename(filename_); 9672f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler std::unique_ptr<VdexFile> vdex = VdexFile::Open(vdex_filename, 9682f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler /*writeable*/false, 9692f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler /*low_4gb*/false, 970cab655799dc0c04d42b00642a813438efe46acf5Nicolas Geoffray /*unquicken*/false, 9712f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler &error_msg); 9722f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (vdex == nullptr) { 9732f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status_ = kOatCannotOpen; 9742f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler VLOG(oat) << "unable to open vdex file " << vdex_filename << ": " << error_msg; 9752f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } else { 9762f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler if (oat_file_assistant_->DexChecksumUpToDate(*vdex, &error_msg)) { 9772f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // The vdex file does not contain enough information to determine 9782f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // whether it is up to date with respect to the boot image, so we 9792f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler // assume it is out of date. 9802f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler VLOG(oat) << error_msg; 9812f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status_ = kOatBootImageOutOfDate; 9822f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } else { 9832f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler status_ = kOatDexOutOfDate; 9842f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 9852f27abd6685f9be3a0923552afa1147751b438f9Richard Uhler } 986743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } else { 987743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler status_ = oat_file_assistant_->GivenOatFileStatus(*file); 9889a37efc6e1a8dd9fe6978f209fb493510267c528Richard Uhler VLOG(oat) << file->GetLocation() << " is " << status_ 9899a37efc6e1a8dd9fe6978f209fb493510267c528Richard Uhler << " with filter " << file->GetCompilerFilter(); 990743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } 991743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } 992743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return status_; 993743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 994743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 99570a8426705571e84d83a060ae6abeb6d04cd2a17Richard UhlerOatFileAssistant::DexOptNeeded OatFileAssistant::OatFileInfo::GetDexOptNeeded( 99670a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler CompilerFilter::Filter target, bool profile_changed) { 997a10ac2ac733a9dc07962cfea2502605141e61953Nicolas Geoffray bool compilation_desired = CompilerFilter::IsAotCompilationEnabled(target); 9987225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler bool filter_okay = CompilerFilterIsOkay(target, profile_changed); 9997225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler 10007225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler if (filter_okay && Status() == kOatUpToDate) { 10017225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler // The oat file is in good shape as is. 10027225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler return kNoDexOptNeeded; 10037225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler } 10047225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler 10057225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler if (filter_okay && !compilation_desired && Status() == kOatRelocationOutOfDate) { 10067225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler // If no compilation is desired, then it doesn't matter if the oat 10077225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler // file needs relocation. It's in good shape as is. 10087225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler return kNoDexOptNeeded; 10097225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler } 101070a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler 10115717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray if (filter_okay && Status() == kOatRelocationOutOfDate) { 10125717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray return kDex2OatForRelocation; 10135717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray } 10143e580bc9b248586fa5d87db2098fa5c5abb7afc1Richard Uhler 10155717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray if (IsUseable()) { 10165717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray return kDex2OatForFilter; 10175717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray } 10183e580bc9b248586fa5d87db2098fa5c5abb7afc1Richard Uhler 10195717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray if (Status() == kOatBootImageOutOfDate) { 10205717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray return kDex2OatForBootImage; 10215717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray } 10227225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler 10235717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray if (oat_file_assistant_->HasOriginalDexFiles()) { 10247225a8d0796ef6fafbf3037cafd2446766bff514Richard Uhler return kDex2OatFromScratch; 10255717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray } else { 10265717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray // Otherwise there is nothing we can do, even if we want to. 10275717306cf414ac18495e651e74f3bf3f3ddfaed8Nicolas Geoffray return kNoDexOptNeeded; 102870a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler } 102970a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler} 103070a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler 1031743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhlerconst OatFile* OatFileAssistant::OatFileInfo::GetFile() { 1032743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler CHECK(!file_released_) << "GetFile called after oat file released."; 1033743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (!load_attempted_) { 1034743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler load_attempted_ = true; 1035743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (filename_provided_) { 1036743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler std::string error_msg; 1037743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler file_.reset(OatFile::Open(filename_.c_str(), 1038743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler filename_.c_str(), 1039743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler nullptr, 1040743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler nullptr, 1041743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler oat_file_assistant_->load_executable_, 1042743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler /*low_4gb*/false, 1043743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler oat_file_assistant_->dex_location_.c_str(), 1044743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler &error_msg)); 1045743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (file_.get() == nullptr) { 1046743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler VLOG(oat) << "OatFileAssistant test for existing oat file " 1047743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler << filename_ << ": " << error_msg; 1048743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } 1049743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } 1050743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } 1051743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return file_.get(); 1052743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 1053743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 1054743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhlerbool OatFileAssistant::OatFileInfo::CompilerFilterIsOkay( 1055743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler CompilerFilter::Filter target, bool profile_changed) { 1056743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler const OatFile* file = GetFile(); 1057743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (file == nullptr) { 1058743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return false; 1059743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } 1060743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 1061743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler CompilerFilter::Filter current = file->GetCompilerFilter(); 1062743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler if (profile_changed && CompilerFilter::DependsOnProfile(current)) { 1063743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler VLOG(oat) << "Compiler filter not okay because Profile changed"; 1064743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return false; 1065743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler } 1066743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return CompilerFilter::IsAsGoodAs(current, target); 1067743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 1068743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 1069743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhlerbool OatFileAssistant::OatFileInfo::IsExecutable() { 1070743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler const OatFile* file = GetFile(); 1071743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return (file != nullptr && file->IsExecutable()); 1072743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 1073743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 1074743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhlervoid OatFileAssistant::OatFileInfo::Reset() { 1075743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler load_attempted_ = false; 1076743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler file_.reset(); 1077743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler status_attempted_ = false; 1078743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 1079743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 1080743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhlervoid OatFileAssistant::OatFileInfo::Reset(const std::string& filename) { 1081743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler filename_provided_ = true; 1082743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler filename_ = filename; 1083743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler Reset(); 1084743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 1085743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 1086743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhlerstd::unique_ptr<OatFile> OatFileAssistant::OatFileInfo::ReleaseFile() { 1087743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler file_released_ = true; 1088743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler return std::move(file_); 1089743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler} 1090743bf365c02fd182342879b5cf4d97d66d195a3bRichard Uhler 109170a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhlerstd::unique_ptr<OatFile> OatFileAssistant::OatFileInfo::ReleaseFileForUse() { 10923e580bc9b248586fa5d87db2098fa5c5abb7afc1Richard Uhler if (Status() == kOatUpToDate) { 109370a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler return ReleaseFile(); 109470a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler } 109570a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler 109670a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler VLOG(oat) << "Oat File Assistant: No relocated oat file found," 109770a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler << " attempting to fall back to interpreting oat file instead."; 109870a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler 109903bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler if (Status() == kOatRelocationOutOfDate && !IsExecutable()) { 110070a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler return ReleaseFile(); 110170a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler } 110270a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler 110303bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler if (Status() == kOatRelocationOutOfDate) { 110470a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler // We are loading an oat file for runtime use that needs relocation. 110570a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler // Reload the file non-executable to ensure that we interpret out of the 110670a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler // dex code in the oat file rather than trying to execute the unrelocated 110770a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler // compiled code. 110870a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler oat_file_assistant_->load_executable_ = false; 110970a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler Reset(); 111003bc659b04fefab6e1c9e08c5bd28fe8168c863fRichard Uhler if (IsUseable()) { 111170a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler CHECK(!IsExecutable()); 111270a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler return ReleaseFile(); 111370a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler } 111470a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler } 111570a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler return std::unique_ptr<OatFile>(); 111670a8426705571e84d83a060ae6abeb6d04cd2a17Richard Uhler} 111766d874d96d5699bb090c59f47a5a528956ca053eRichard Uhler} // namespace art 1118