oat_file.cc revision 957ca1cd025104fccb0b08928f955f9bdb4ab91c
12faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes/* 22faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Copyright (C) 2011 The Android Open Source Project 32faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 42faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 52faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * you may not use this file except in compliance with the License. 62faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * You may obtain a copy of the License at 72faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 82faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 92faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * 102faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * Unless required by applicable law or agreed to in writing, software 112faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 122faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 132faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * See the License for the specific language governing permissions and 142faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes * limitations under the License. 152faa5f1271587cda765f26bcf2951065300a01ffElliott Hughes */ 16e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 17e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom#include "oat_file.h" 18e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 19700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom#include <dlfcn.h> 2022f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe#include <sstream> 214e1d579d6401fef2dd57b16f8d406e33221a69d9Calin Juravle#include <string.h> 22daab38ca60c5b91787e29c87a161a2bb8c1b6f11Andreas Gampe#include <unistd.h> 23700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 24ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom#include "base/bit_vector.h" 251aa246dec5abe212f699de1413a0c4a191ca364aElliott Hughes#include "base/stl_util.h" 26761600567d73b23324ae0251e871c15d6849ffd8Elliott Hughes#include "base/unix_file/fd_file.h" 27700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom#include "elf_file.h" 2884d7605f93f1e6e86a16e02017e305c90e93117aAlex Light#include "elf_utils.h" 29700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom#include "oat.h" 30ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method.h" 31ea46f950e7a51585db293cd7f047de190a482414Brian Carlstrom#include "mirror/art_method-inl.h" 322dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/class.h" 334f6ad8ab428038129b2d0d6c40b7fd625cca15e1Ian Rogers#include "mirror/object-inl.h" 34e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom#include "os.h" 3522f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe#include "runtime.h" 362dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "utils.h" 371809a72a66d245ae598582d658b93a24ac3bf01eIan Rogers#include "vmap_table.h" 38e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 39e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstromnamespace art { 40e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 41700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstromvoid OatFile::CheckLocation(const std::string& location) { 42700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom CHECK(!location.empty()); 43700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom} 44700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 4584d7605f93f1e6e86a16e02017e305c90e93117aAlex LightOatFile* OatFile::OpenWithElfFile(ElfFile* elf_file, 4684d7605f93f1e6e86a16e02017e305c90e93117aAlex Light const std::string& location, 4784d7605f93f1e6e86a16e02017e305c90e93117aAlex Light std::string* error_msg) { 4884d7605f93f1e6e86a16e02017e305c90e93117aAlex Light std::unique_ptr<OatFile> oat_file(new OatFile(location, false)); 4984d7605f93f1e6e86a16e02017e305c90e93117aAlex Light oat_file->elf_file_.reset(elf_file); 5062d1ca3182a6cbb921799825f43ad36821233fd7Tong Shen uint64_t offset, size; 5162d1ca3182a6cbb921799825f43ad36821233fd7Tong Shen bool has_section = elf_file->GetSectionOffsetAndSize(".rodata", &offset, &size); 5262d1ca3182a6cbb921799825f43ad36821233fd7Tong Shen CHECK(has_section); 5362d1ca3182a6cbb921799825f43ad36821233fd7Tong Shen oat_file->begin_ = elf_file->Begin() + offset; 5462d1ca3182a6cbb921799825f43ad36821233fd7Tong Shen oat_file->end_ = elf_file->Begin() + size + offset; 5584d7605f93f1e6e86a16e02017e305c90e93117aAlex Light return oat_file->Setup(error_msg) ? oat_file.release() : nullptr; 5684d7605f93f1e6e86a16e02017e305c90e93117aAlex Light} 5784d7605f93f1e6e86a16e02017e305c90e93117aAlex Light 58265091e581c9f643b37e7966890911f09e223269Brian CarlstromOatFile* OatFile::OpenMemory(std::vector<uint8_t>& oat_contents, 598d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers const std::string& location, 608d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg) { 61700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom CHECK(!oat_contents.empty()) << location; 62700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom CheckLocation(location); 639dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light std::unique_ptr<OatFile> oat_file(new OatFile(location, false)); 64700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom oat_file->begin_ = &oat_contents[0]; 65700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom oat_file->end_ = &oat_contents[oat_contents.size()]; 668d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers return oat_file->Setup(error_msg) ? oat_file.release() : nullptr; 67700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom} 68700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 69e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian CarlstromOatFile* OatFile::Open(const std::string& filename, 70a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom const std::string& location, 7113735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* requested_base, 7246774767fcf7780d1455e755729198648d08742eIgor Murashkin uint8_t* oat_file_begin, 738d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool executable, 748d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg) { 757a967b3d4468ab56bf1b75ebd4d7bf9e6798761bBrian Carlstrom CHECK(!filename.empty()) << location; 767ba649636c4475c3992fa15a57acd2546d69ff38Andreas Gampe CheckLocation(location); 7722f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe std::unique_ptr<OatFile> ret; 7822f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe if (kUsePortableCompiler && executable) { 79ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // If we are using PORTABLE, use dlopen to deal with relocations. 80ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // 81ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // We use our own ELF loader for Quick to deal with legacy apps that 82ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // open a generated dex file by name, remove the file, then open 83ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers // another generated dex file with the same name. http://b/10614658 8422f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe ret.reset(OpenDlopen(filename, location, requested_base, error_msg)); 8522f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe } else { 8622f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe // If we aren't trying to execute, we just use our own ElfFile loader for a couple reasons: 8722f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe // 8822f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe // On target, dlopen may fail when compiling due to selinux restrictions on installd. 8922f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe // 9022f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe // On host, dlopen is expected to fail when cross compiling, so fall back to OpenElfFile. 9122f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe // This won't work for portable runtime execution because it doesn't process relocations. 9222f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe std::unique_ptr<File> file(OS::OpenFileForReading(filename.c_str())); 9322f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe if (file.get() == NULL) { 9422f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe *error_msg = StringPrintf("Failed to open oat filename for reading: %s", strerror(errno)); 9522f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe return nullptr; 96ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers } 9746774767fcf7780d1455e755729198648d08742eIgor Murashkin ret.reset(OpenElfFile(file.get(), location, requested_base, oat_file_begin, false, executable, 9846774767fcf7780d1455e755729198648d08742eIgor Murashkin error_msg)); 99daab38ca60c5b91787e29c87a161a2bb8c1b6f11Andreas Gampe 1009ef2b6c73b964754fbb9198b1e3ea3d56744a059Andreas Gampe // It would be nice to unlink here. But we might have opened the file created by the 1019ef2b6c73b964754fbb9198b1e3ea3d56744a059Andreas Gampe // ScopedLock, which we better not delete to avoid races. TODO: Investigate how to fix the API 1029ef2b6c73b964754fbb9198b1e3ea3d56744a059Andreas Gampe // to allow removal when we know the ELF must be borked. 10322f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe } 10469dfe51b684dd9d510dbcb63295fe180f998efdeDave Allison return ret.release(); 1055b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom} 106e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 1078d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan RogersOatFile* OatFile::OpenWritable(File* file, const std::string& location, std::string* error_msg) { 108700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom CheckLocation(location); 10946774767fcf7780d1455e755729198648d08742eIgor Murashkin return OpenElfFile(file, location, nullptr, nullptr, true, false, error_msg); 110700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom} 111700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 112a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex LightOatFile* OatFile::OpenReadable(File* file, const std::string& location, std::string* error_msg) { 113a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light CheckLocation(location); 11446774767fcf7780d1455e755729198648d08742eIgor Murashkin return OpenElfFile(file, location, nullptr, nullptr, false, false, error_msg); 115a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light} 116a59dd80f9f48cb750d329d4d4af2d99d72b484d1Alex Light 117700c8d31733534a3d978b75a03f6f7e177dc7e81Brian CarlstromOatFile* OatFile::OpenDlopen(const std::string& elf_filename, 118700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const std::string& location, 11913735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* requested_base, 1208d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg) { 1219dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light std::unique_ptr<OatFile> oat_file(new OatFile(location, true)); 1228d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool success = oat_file->Dlopen(elf_filename, requested_base, error_msg); 123700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (!success) { 1248d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers return nullptr; 1257a967b3d4468ab56bf1b75ebd4d7bf9e6798761bBrian Carlstrom } 126700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return oat_file.release(); 127700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom} 128700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom 129700c8d31733534a3d978b75a03f6f7e177dc7e81Brian CarlstromOatFile* OatFile::OpenElfFile(File* file, 130700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const std::string& location, 13113735955f39b3b304c37d2b2840663c131262c18Ian Rogers uint8_t* requested_base, 13246774767fcf7780d1455e755729198648d08742eIgor Murashkin uint8_t* oat_file_begin, 133f1d3455064792ac1c486a4a9c24279a37b4af473Brian Carlstrom bool writable, 1348d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool executable, 1358d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg) { 1369dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light std::unique_ptr<OatFile> oat_file(new OatFile(location, executable)); 13746774767fcf7780d1455e755729198648d08742eIgor Murashkin bool success = oat_file->ElfFileOpen(file, requested_base, oat_file_begin, writable, executable, 13846774767fcf7780d1455e755729198648d08742eIgor Murashkin error_msg); 139e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom if (!success) { 1408d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers CHECK(!error_msg->empty()); 1418d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers return nullptr; 142e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom } 143e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom return oat_file.release(); 144e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} 145e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 1469dcc4572949f6a8231a1b4ed859676ba6f411726Alex LightOatFile::OatFile(const std::string& location, bool is_executable) 1479dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light : location_(location), begin_(NULL), end_(NULL), is_executable_(is_executable), 1489dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light dlopen_handle_(NULL), 1493f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko secondary_lookup_lock_("OatFile secondary lookup lock", kOatFileSecondaryLookupLock) { 150a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom CHECK(!location_.empty()); 151a004aa933a58428489e42d77f707c2b063b73747Brian Carlstrom} 152e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 153e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian CarlstromOatFile::~OatFile() { 154aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko STLDeleteElements(&oat_dex_files_storage_); 155700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (dlopen_handle_ != NULL) { 156700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom dlclose(dlopen_handle_); 157700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 158e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} 159e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 16013735955f39b3b304c37d2b2840663c131262c18Ian Rogersbool OatFile::Dlopen(const std::string& elf_filename, uint8_t* requested_base, 1618d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg) { 162700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom char* absolute_path = realpath(elf_filename.c_str(), NULL); 163700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (absolute_path == NULL) { 1648d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to find absolute path for '%s'", elf_filename.c_str()); 165e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom return false; 166e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom } 167700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom dlopen_handle_ = dlopen(absolute_path, RTLD_NOW); 168700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom free(absolute_path); 169700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (dlopen_handle_ == NULL) { 1708d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to dlopen '%s': %s", elf_filename.c_str(), dlerror()); 171e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom return false; 172e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom } 17313735955f39b3b304c37d2b2840663c131262c18Ian Rogers begin_ = reinterpret_cast<uint8_t*>(dlsym(dlopen_handle_, "oatdata")); 174700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (begin_ == NULL) { 1758d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to find oatdata symbol in '%s': %s", elf_filename.c_str(), 1768d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dlerror()); 177700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 178700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 179700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (requested_base != NULL && begin_ != requested_base) { 1808d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to find oatdata symbol at expected address: " 1818d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "oatdata=%p != expected=%p /proc/self/maps:\n", 1828d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers begin_, requested_base); 1838d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers ReadFileToString("/proc/self/maps", error_msg); 184700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 185e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom } 18613735955f39b3b304c37d2b2840663c131262c18Ian Rogers end_ = reinterpret_cast<uint8_t*>(dlsym(dlopen_handle_, "oatlastword")); 187700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (end_ == NULL) { 1888d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to find oatlastword symbol in '%s': %s", elf_filename.c_str(), 1898d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dlerror()); 190700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 191700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 192700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Readjust to be non-inclusive upper bound. 193700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom end_ += sizeof(uint32_t); 1948d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers return Setup(error_msg); 195700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom} 196e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 19746774767fcf7780d1455e755729198648d08742eIgor Murashkinbool OatFile::ElfFileOpen(File* file, uint8_t* requested_base, uint8_t* oat_file_begin, 19846774767fcf7780d1455e755729198648d08742eIgor Murashkin bool writable, bool executable, 1998d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers std::string* error_msg) { 20046774767fcf7780d1455e755729198648d08742eIgor Murashkin // TODO: rename requested_base to oat_data_begin 20146774767fcf7780d1455e755729198648d08742eIgor Murashkin elf_file_.reset(ElfFile::Open(file, writable, /*program_header_only*/true, error_msg, 20246774767fcf7780d1455e755729198648d08742eIgor Murashkin oat_file_begin)); 2038d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (elf_file_.get() == nullptr) { 2048d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers DCHECK(!error_msg->empty()); 205700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 206700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 2078d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers bool loaded = elf_file_->Load(executable, error_msg); 208700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (!loaded) { 2098d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers DCHECK(!error_msg->empty()); 210700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 211700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 212700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom begin_ = elf_file_->FindDynamicSymbolAddress("oatdata"); 213700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (begin_ == NULL) { 2148d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to find oatdata symbol in '%s'", file->GetPath().c_str()); 215700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 216700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 217700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (requested_base != NULL && begin_ != requested_base) { 2188d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to find oatdata symbol at expected address: " 2198d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "oatdata=%p != expected=%p /proc/self/maps:\n", 2208d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers begin_, requested_base); 2218d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers ReadFileToString("/proc/self/maps", error_msg); 222700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 223700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 224700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom end_ = elf_file_->FindDynamicSymbolAddress("oatlastword"); 225700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom if (end_ == NULL) { 2268d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Failed to find oatlastword symbol in '%s'", file->GetPath().c_str()); 227700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return false; 228700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom } 229700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom // Readjust to be non-inclusive upper bound. 230700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom end_ += sizeof(uint32_t); 2318d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers return Setup(error_msg); 232700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom} 2336e3b1d900cc456a2717944f1f562a2f4df000705Brian Carlstrom 2348d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogersbool OatFile::Setup(std::string* error_msg) { 235f1b3030832bb33efb9161d851b2915d7d94bedf7Brian Carlstrom if (!GetOatHeader().IsValid()) { 2368d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("Invalid oat magic for '%s'", GetLocation().c_str()); 237f1b3030832bb33efb9161d851b2915d7d94bedf7Brian Carlstrom return false; 238f1b3030832bb33efb9161d851b2915d7d94bedf7Brian Carlstrom } 23913735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* oat = Begin(); 240e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom oat += sizeof(OatHeader); 241fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom if (oat > End()) { 2428d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found truncated OatHeader", GetLocation().c_str()); 243fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 244fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 245fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom 24622f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe oat += GetOatHeader().GetKeyValueStoreSize(); 247fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom if (oat > End()) { 24822f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe *error_msg = StringPrintf("In oat file '%s' found truncated variable-size data: " 2498d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "%p + %zd + %ud <= %p", GetLocation().c_str(), 25022f8e5c82d12951be38cd893426e13bee33fd69dAndreas Gampe Begin(), sizeof(OatHeader), GetOatHeader().GetKeyValueStoreSize(), 2518d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers End()); 252fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 253fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 25481f3ca17e9e8d360cc4a1b6c3155cf01ba3be3bcBrian Carlstrom 255aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko uint32_t dex_file_count = GetOatHeader().GetDexFileCount(); 256aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko oat_dex_files_storage_.reserve(dex_file_count); 257aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko for (size_t i = 0; i < dex_file_count; i++) { 25883bef92043a5b9020e99eac076db5f327b36cb7eDmitry Petrochenko uint32_t dex_file_location_size = *reinterpret_cast<const uint32_t*>(oat); 2598d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(dex_file_location_size == 0U)) { 2608d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd with empty location name", 2618d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers GetLocation().c_str(), i); 262fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 263fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 264e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom oat += sizeof(dex_file_location_size); 2658d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(oat > End())) { 2668d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd truncated after dex file " 2678d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "location size", GetLocation().c_str(), i); 268fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 269fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 270e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 271e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom const char* dex_file_location_data = reinterpret_cast<const char*>(oat); 272e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom oat += dex_file_location_size; 2738d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(oat > End())) { 2748d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd with truncated dex file " 2758d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "location", GetLocation().c_str(), i); 276fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 277fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 278e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 279e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom std::string dex_file_location(dex_file_location_data, dex_file_location_size); 280e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 281e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom uint32_t dex_file_checksum = *reinterpret_cast<const uint32_t*>(oat); 282e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom oat += sizeof(dex_file_checksum); 2838d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(oat > End())) { 2848d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd for '%s' truncated after " 2858d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "dex file checksum", GetLocation().c_str(), i, 2868d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dex_file_location.c_str()); 287fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 288fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 289e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 29089521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom uint32_t dex_file_offset = *reinterpret_cast<const uint32_t*>(oat); 2918d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(dex_file_offset == 0U)) { 2928d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd for '%s' with zero dex " 2938d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "file offset", GetLocation().c_str(), i, dex_file_location.c_str()); 294fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 295fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 2968d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(dex_file_offset > Size())) { 2978d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd for '%s' with dex file " 2988d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers "offset %ud > %zd", GetLocation().c_str(), i, 2998d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dex_file_location.c_str(), dex_file_offset, Size()); 300fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 301fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 30289521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom oat += sizeof(dex_file_offset); 3038d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(oat > End())) { 3048d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd for '%s' truncated " 30537628b7528e5611088ec046d9c2295e12c1f9b08Brian Carlstrom "after dex file offsets", GetLocation().c_str(), i, 3068d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dex_file_location.c_str()); 307fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 308fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 30989521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom 310700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom const uint8_t* dex_file_pointer = Begin() + dex_file_offset; 3118d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(!DexFile::IsMagicValid(dex_file_pointer))) { 3128d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd for '%s' with invalid " 31337628b7528e5611088ec046d9c2295e12c1f9b08Brian Carlstrom "dex file magic '%s'", GetLocation().c_str(), i, 3148d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dex_file_location.c_str(), dex_file_pointer); 315fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 316fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 3178d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(!DexFile::IsVersionValid(dex_file_pointer))) { 3188d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd for '%s' with invalid " 31937628b7528e5611088ec046d9c2295e12c1f9b08Brian Carlstrom "dex file version '%s'", GetLocation().c_str(), i, 3208d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dex_file_location.c_str(), dex_file_pointer); 321fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 322fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 3236e3b1d900cc456a2717944f1f562a2f4df000705Brian Carlstrom const DexFile::Header* header = reinterpret_cast<const DexFile::Header*>(dex_file_pointer); 3246e3b1d900cc456a2717944f1f562a2f4df000705Brian Carlstrom const uint32_t* methods_offsets_pointer = reinterpret_cast<const uint32_t*>(oat); 32589521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom 3266e3b1d900cc456a2717944f1f562a2f4df000705Brian Carlstrom oat += (sizeof(*methods_offsets_pointer) * header->class_defs_size_); 3278d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers if (UNLIKELY(oat > End())) { 3288d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers *error_msg = StringPrintf("In oat file '%s' found OatDexFile #%zd for '%s' with truncated " 32937628b7528e5611088ec046d9c2295e12c1f9b08Brian Carlstrom "method offsets", GetLocation().c_str(), i, 3308d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dex_file_location.c_str()); 331fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom return false; 332fb331d7ca004f39608fcfdae49d38df90c702ea9Brian Carlstrom } 333e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 334aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko std::string canonical_location = DexFile::GetDexCanonicalLocation(dex_file_location.c_str()); 335aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko 336aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko // Create the OatDexFile and add it to the owning container. 337539690a351d8c325707368729aafa2b4fa134d4cVladimir Marko OatDexFile* oat_dex_file = new OatDexFile(this, 338539690a351d8c325707368729aafa2b4fa134d4cVladimir Marko dex_file_location, 339aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko canonical_location, 340539690a351d8c325707368729aafa2b4fa134d4cVladimir Marko dex_file_checksum, 341539690a351d8c325707368729aafa2b4fa134d4cVladimir Marko dex_file_pointer, 342539690a351d8c325707368729aafa2b4fa134d4cVladimir Marko methods_offsets_pointer); 343aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko oat_dex_files_storage_.push_back(oat_dex_file); 344aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko 345aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko // Add the location and canonical location (if different) to the oat_dex_files_ table. 3463f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko StringPiece key(oat_dex_file->GetDexFileLocation()); 347539690a351d8c325707368729aafa2b4fa134d4cVladimir Marko oat_dex_files_.Put(key, oat_dex_file); 348aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko if (canonical_location != dex_file_location) { 349aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko StringPiece canonical_key(oat_dex_file->GetCanonicalDexFileLocation()); 350aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko oat_dex_files_.Put(canonical_key, oat_dex_file); 351aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko } 352e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom } 353f1b3030832bb33efb9161d851b2915d7d94bedf7Brian Carlstrom return true; 354e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} 355e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 356e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstromconst OatHeader& OatFile::GetOatHeader() const { 35730fab40ee5a07af6b8c3b6b0e9438071695a57f4Ian Rogers return *reinterpret_cast<const OatHeader*>(Begin()); 358e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} 359e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 36013735955f39b3b304c37d2b2840663c131262c18Ian Rogersconst uint8_t* OatFile::Begin() const { 361700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom CHECK(begin_ != NULL); 362700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return begin_; 363e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} 364e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 36513735955f39b3b304c37d2b2840663c131262c18Ian Rogersconst uint8_t* OatFile::End() const { 366700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom CHECK(end_ != NULL); 367700c8d31733534a3d978b75a03f6f7e177dc7e81Brian Carlstrom return end_; 368e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} 369e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 3708d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogersconst OatFile::OatDexFile* OatFile::GetOatDexFile(const char* dex_location, 3718d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers const uint32_t* dex_location_checksum, 3727fe2c691866ad643b9e21dd2c9d36fa79ec454c3Ian Rogers bool warn_if_not_found) const { 3733f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // NOTE: We assume here that the canonical location for a given dex_location never 3743f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // changes. If it does (i.e. some symlink used by the filename changes) we may return 3753f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // an incorrect OatDexFile. As long as we have a checksum to check, we shall return 3763f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // an identical file or fail; otherwise we may see some unpredictable failures. 3773f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko 3783f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // TODO: Additional analysis of usage patterns to see if this can be simplified 3793f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // without any performance loss, for example by not doing the first lock-free lookup. 3803f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko 3813f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko const OatFile::OatDexFile* oat_dex_file = nullptr; 3823f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko StringPiece key(dex_location); 3833f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // Try to find the key cheaply in the oat_dex_files_ map which holds dex locations 3843f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // directly mentioned in the oat file and doesn't require locking. 3853f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko auto primary_it = oat_dex_files_.find(key); 3863f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko if (primary_it != oat_dex_files_.end()) { 3873f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko oat_dex_file = primary_it->second; 3883f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko DCHECK(oat_dex_file != nullptr); 3893f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko } else { 3903f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // This dex_location is not one of the dex locations directly mentioned in the 3913f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // oat file. The correct lookup is via the canonical location but first see in 3923f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // the secondary_oat_dex_files_ whether we've looked up this location before. 3933f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko MutexLock mu(Thread::Current(), secondary_lookup_lock_); 3943f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko auto secondary_lb = secondary_oat_dex_files_.lower_bound(key); 3953f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko if (secondary_lb != secondary_oat_dex_files_.end() && key == secondary_lb->first) { 3963f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko oat_dex_file = secondary_lb->second; // May be nullptr. 3973f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko } else { 3983f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // We haven't seen this dex_location before, we must check the canonical location. 3993f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko std::string dex_canonical_location = DexFile::GetDexCanonicalLocation(dex_location); 400aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko if (dex_canonical_location != dex_location) { 401aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko StringPiece canonical_key(dex_canonical_location); 402aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko auto canonical_it = oat_dex_files_.find(canonical_key); 403aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko if (canonical_it != oat_dex_files_.end()) { 404aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko oat_dex_file = canonical_it->second; 405aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko } // else keep nullptr. 4063f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko } // else keep nullptr. 4073f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko 4083f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko // Copy the key to the string_cache_ and store the result in secondary map. 4093f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko string_cache_.emplace_back(key.data(), key.length()); 4103f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko StringPiece key_copy(string_cache_.back()); 4113f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko secondary_oat_dex_files_.PutBefore(secondary_lb, key_copy, oat_dex_file); 412756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom } 413756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom } 4143f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko if (oat_dex_file != nullptr && 4153f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko (dex_location_checksum == nullptr || 4163f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko oat_dex_file->GetDexFileLocationChecksum() == *dex_location_checksum)) { 4173f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko return oat_dex_file; 4183f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko } 419756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom 420756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom if (warn_if_not_found) { 4213f5838d7d0b9fc63db0ccc35c2ea05ed29264986Vladimir Marko std::string dex_canonical_location = DexFile::GetDexCanonicalLocation(dex_location); 4220d6adac2550113da33d42e88f0d87a57b25c5a60Brian Carlstrom std::string checksum("<unspecified>"); 4230d6adac2550113da33d42e88f0d87a57b25c5a60Brian Carlstrom if (dex_location_checksum != NULL) { 4240d6adac2550113da33d42e88f0d87a57b25c5a60Brian Carlstrom checksum = StringPrintf("0x%08x", *dex_location_checksum); 4250d6adac2550113da33d42e88f0d87a57b25c5a60Brian Carlstrom } 426756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom LOG(WARNING) << "Failed to find OatDexFile for DexFile " << dex_location 4274e1d579d6401fef2dd57b16f8d406e33221a69d9Calin Juravle << " ( canonical path " << dex_canonical_location << ")" 4280d6adac2550113da33d42e88f0d87a57b25c5a60Brian Carlstrom << " with checksum " << checksum << " in OatFile " << GetLocation(); 429756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom if (kIsDebugBuild) { 430aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko for (const OatDexFile* odf : oat_dex_files_storage_) { 431756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom LOG(WARNING) << "OatFile " << GetLocation() 432aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko << " contains OatDexFile " << odf->GetDexFileLocation() 433aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko << " (canonical path " << odf->GetCanonicalDexFileLocation() << ")" 434aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko << " with checksum 0x" << std::hex << odf->GetDexFileLocationChecksum(); 4357571e8b761ebc2c923525e12ea9fcf07e62cb33eBrian Carlstrom } 4367fe2c691866ad643b9e21dd2c9d36fa79ec454c3Ian Rogers } 437aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom } 4384e1d579d6401fef2dd57b16f8d406e33221a69d9Calin Juravle 439756ee4e090bc1e1812b41fb7b4661df601a32ef9Brian Carlstrom return NULL; 440aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom} 441aded5f7ab991f3c1132851599d3bc60ff6707eedBrian Carlstrom 442e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian CarlstromOatFile::OatDexFile::OatDexFile(const OatFile* oat_file, 443aa6a588eb83288481389aa08b03105346a87e706Elliott Hughes const std::string& dex_file_location, 444aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko const std::string& canonical_dex_file_location, 4455b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom uint32_t dex_file_location_checksum, 44613735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* dex_file_pointer, 4470755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom const uint32_t* oat_class_offsets_pointer) 448e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom : oat_file_(oat_file), 449e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom dex_file_location_(dex_file_location), 450aa4497db59f1eeec954f2ba5da6d458fcdf9b3a4Vladimir Marko canonical_dex_file_location_(canonical_dex_file_location), 4515b332c89fa3fdd7dc184b22c2587d28af304d019Brian Carlstrom dex_file_location_checksum_(dex_file_location_checksum), 45289521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom dex_file_pointer_(dex_file_pointer), 4530755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom oat_class_offsets_pointer_(oat_class_offsets_pointer) {} 454e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 455e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian CarlstromOatFile::OatDexFile::~OatDexFile() {} 456e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 45705f28c6e00ecdb1da834acc8c29b4a7eba86d692Ian Rogerssize_t OatFile::OatDexFile::FileSize() const { 45805f28c6e00ecdb1da834acc8c29b4a7eba86d692Ian Rogers return reinterpret_cast<const DexFile::Header*>(dex_file_pointer_)->file_size_; 45905f28c6e00ecdb1da834acc8c29b4a7eba86d692Ian Rogers} 46005f28c6e00ecdb1da834acc8c29b4a7eba86d692Ian Rogers 4618d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogersconst DexFile* OatFile::OatDexFile::OpenDexFile(std::string* error_msg) const { 46205f28c6e00ecdb1da834acc8c29b4a7eba86d692Ian Rogers return DexFile::Open(dex_file_pointer_, FileSize(), dex_file_location_, 4638d31bbd3d6536de12bc20e3d29cfe03fe848f9daIan Rogers dex_file_location_checksum_, error_msg); 46489521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom} 46589521898b56f2ebc3fb68acfb6bc6dde9b6f5c38Brian Carlstrom 4662cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstromuint32_t OatFile::OatDexFile::GetOatClassOffset(uint16_t class_def_index) const { 4672cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom return oat_class_offsets_pointer_[class_def_index]; 4682cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom} 4692cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom 470d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir MarkoOatFile::OatClass OatFile::OatDexFile::GetOatClass(uint16_t class_def_index) const { 4712cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom uint32_t oat_class_offset = GetOatClassOffset(class_def_index); 4720755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 47313735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* oat_class_pointer = oat_file_->Begin() + oat_class_offset; 4747571e8b761ebc2c923525e12ea9fcf07e62cb33eBrian Carlstrom CHECK_LT(oat_class_pointer, oat_file_->End()) << oat_file_->GetLocation(); 4750755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 47613735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* status_pointer = oat_class_pointer; 477ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_LT(status_pointer, oat_file_->End()) << oat_file_->GetLocation(); 478ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom mirror::Class::Status status = 479ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom static_cast<mirror::Class::Status>(*reinterpret_cast<const int16_t*>(status_pointer)); 480ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_LT(status, mirror::Class::kStatusMax); 481ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom 48213735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* type_pointer = status_pointer + sizeof(uint16_t); 483ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_LT(type_pointer, oat_file_->End()) << oat_file_->GetLocation(); 484ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom OatClassType type = static_cast<OatClassType>(*reinterpret_cast<const uint16_t*>(type_pointer)); 485ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_LT(type, kOatClassMax); 486ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom 48713735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* after_type_pointer = type_pointer + sizeof(int16_t); 488cd937a9dabaabccdeeafcd7fb69b98752e72dca5Brian Carlstrom CHECK_LE(after_type_pointer, oat_file_->End()) << oat_file_->GetLocation(); 489cd937a9dabaabccdeeafcd7fb69b98752e72dca5Brian Carlstrom 490ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom uint32_t bitmap_size = 0; 49113735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* bitmap_pointer = nullptr; 49213735955f39b3b304c37d2b2840663c131262c18Ian Rogers const uint8_t* methods_pointer = nullptr; 49397b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers if (type != kOatClassNoneCompiled) { 49497b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers if (type == kOatClassSomeCompiled) { 49597b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers bitmap_size = static_cast<uint32_t>(*reinterpret_cast<const uint32_t*>(after_type_pointer)); 49697b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers bitmap_pointer = after_type_pointer + sizeof(bitmap_size); 49797b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers CHECK_LE(bitmap_pointer, oat_file_->End()) << oat_file_->GetLocation(); 49897b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers methods_pointer = bitmap_pointer + bitmap_size; 49997b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers } else { 50097b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers methods_pointer = after_type_pointer; 50197b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers } 50297b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers CHECK_LE(methods_pointer, oat_file_->End()) << oat_file_->GetLocation(); 503ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 5040755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom 505d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko return OatClass(oat_file_, 506d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko status, 507d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko type, 508d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko bitmap_size, 509d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko reinterpret_cast<const uint32_t*>(bitmap_pointer), 510d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko reinterpret_cast<const OatMethodOffsets*>(methods_pointer)); 511e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} 512e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 5130755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian CarlstromOatFile::OatClass::OatClass(const OatFile* oat_file, 5142dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers mirror::Class::Status status, 515ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom OatClassType type, 516ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom uint32_t bitmap_size, 517ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom const uint32_t* bitmap_pointer, 5180755ec5ea1dce0b549fc1adefeb52d89f119ebecBrian Carlstrom const OatMethodOffsets* methods_pointer) 519ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom : oat_file_(oat_file), status_(status), type_(type), 520d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko bitmap_(bitmap_pointer), methods_pointer_(methods_pointer) { 521ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom switch (type_) { 522ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom case kOatClassAllCompiled: { 523ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_EQ(0U, bitmap_size); 524cd937a9dabaabccdeeafcd7fb69b98752e72dca5Brian Carlstrom CHECK(bitmap_pointer == nullptr); 52597b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers CHECK(methods_pointer != nullptr); 526ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom break; 527ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 528ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom case kOatClassSomeCompiled: { 529ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_NE(0U, bitmap_size); 530cd937a9dabaabccdeeafcd7fb69b98752e72dca5Brian Carlstrom CHECK(bitmap_pointer != nullptr); 53197b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers CHECK(methods_pointer != nullptr); 532ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom break; 533ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 534ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom case kOatClassNoneCompiled: { 535ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_EQ(0U, bitmap_size); 536cd937a9dabaabccdeeafcd7fb69b98752e72dca5Brian Carlstrom CHECK(bitmap_pointer == nullptr); 53797b52f89e5e0b52a08d4b9a3953d0973a3cf5636Ian Rogers CHECK(methods_pointer_ == nullptr); 538ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom break; 539ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 540ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom case kOatClassMax: { 541ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom LOG(FATAL) << "Invalid OatClassType " << type_; 542ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom break; 543ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 544ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 545ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom} 546e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom 5472cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstromuint32_t OatFile::OatClass::GetOatMethodOffsetsOffset(uint32_t method_index) const { 5482cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom const OatMethodOffsets* oat_method_offsets = GetOatMethodOffsets(method_index); 5492cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom if (oat_method_offsets == nullptr) { 5502cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom return 0u; 5512cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom } 5522cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom return reinterpret_cast<const uint8_t*>(oat_method_offsets) - oat_file_->Begin(); 5532cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom} 5542cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom 5552cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstromconst OatMethodOffsets* OatFile::OatClass::GetOatMethodOffsets(uint32_t method_index) const { 556d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko // NOTE: We don't keep the number of methods and cannot do a bounds check for method_index. 5572cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom if (methods_pointer_ == nullptr) { 558ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_EQ(kOatClassNoneCompiled, type_); 5592cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom return nullptr; 560ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 561ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom size_t methods_pointer_index; 5622cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom if (bitmap_ == nullptr) { 563ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_EQ(kOatClassAllCompiled, type_); 564ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom methods_pointer_index = method_index; 565ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } else { 566ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom CHECK_EQ(kOatClassSomeCompiled, type_); 567d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko if (!BitVector::IsBitSet(bitmap_, method_index)) { 5682cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom return nullptr; 569ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 570d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko size_t num_set_bits = BitVector::NumSetBits(bitmap_, method_index); 571d3c5bebcb52a67cb06e7ab303eaf45f230c08b60Vladimir Marko methods_pointer_index = num_set_bits; 572ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom } 573ba150c37d582eeeb8c11ba5245edc281cf31793cBrian Carlstrom const OatMethodOffsets& oat_method_offsets = methods_pointer_[methods_pointer_index]; 5742cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom return &oat_method_offsets; 5752cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom} 5762cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom 5772cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstromconst OatFile::OatMethod OatFile::OatClass::GetOatMethod(uint32_t method_index) const { 5782cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom const OatMethodOffsets* oat_method_offsets = GetOatMethodOffsets(method_index); 5792cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom if (oat_method_offsets == nullptr) { 580957ca1cd025104fccb0b08928f955f9bdb4ab91cMathieu Chartier return OatMethod(nullptr, 0); 5812cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom } 5822cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom if (oat_file_->IsExecutable() || 5832cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom Runtime::Current() == nullptr || // This case applies for oatdump. 5842cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom Runtime::Current()->IsCompiler()) { 585957ca1cd025104fccb0b08928f955f9bdb4ab91cMathieu Chartier return OatMethod(oat_file_->Begin(), oat_method_offsets->code_offset_); 5869dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light } else { 5879dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light // We aren't allowed to use the compiled code. We just force it down the interpreted version. 588957ca1cd025104fccb0b08928f955f9bdb4ab91cMathieu Chartier return OatMethod(oat_file_->Begin(), 0); 5899dcc4572949f6a8231a1b4ed859676ba6f411726Alex Light } 5903320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom} 5913320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom 592ea46f950e7a51585db293cd7f047de190a482414Brian Carlstromvoid OatFile::OatMethod::LinkMethod(mirror::ArtMethod* method) const { 5933320cf46afd082398aa401b246e6f301cebdf64dBrian Carlstrom CHECK(method != NULL); 594ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers method->SetEntryPointFromPortableCompiledCode(GetPortableCode()); 595ef7d42fca18c16fbaf103822ad16f23246e2905dIan Rogers method->SetEntryPointFromQuickCompiledCode(GetQuickCode()); 596ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom} 597ae826983f7903bc0a6bbbe8426bf393fb2f6d747Brian Carlstrom 5987ba649636c4475c3992fa15a57acd2546d69ff38Andreas Gampebool OatFile::IsPic() const { 59946774767fcf7780d1455e755729198648d08742eIgor Murashkin return GetOatHeader().IsPic(); 6007ba649636c4475c3992fa15a57acd2546d69ff38Andreas Gampe // TODO: Check against oat_patches. b/18144996 6017ba649636c4475c3992fa15a57acd2546d69ff38Andreas Gampe} 6027ba649636c4475c3992fa15a57acd2546d69ff38Andreas Gampe 603e24fa61603a60ade3797e4a0c8b3fccb346cb048Brian Carlstrom} // namespace art 604