Elliott Hughes | 2faa5f1 | 2012-01-30 14:42:07 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 16 | |
| 17 | #include "oat_file.h" |
| 18 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 19 | #include <dlfcn.h> |
| 20 | |
Elliott Hughes | 1aa246d | 2012-12-13 09:29:36 -0800 | [diff] [blame] | 21 | #include "base/stl_util.h" |
Elliott Hughes | 7616005 | 2012-12-12 16:31:20 -0800 | [diff] [blame] | 22 | #include "base/unix_file/fd_file.h" |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 23 | #include "elf_file.h" |
| 24 | #include "oat.h" |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 25 | #include "mirror/art_method.h" |
| 26 | #include "mirror/art_method-inl.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 27 | #include "mirror/class.h" |
Ian Rogers | 4f6ad8a | 2013-03-18 15:27:28 -0700 | [diff] [blame] | 28 | #include "mirror/object-inl.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 29 | #include "os.h" |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 30 | #include "utils.h" |
Ian Rogers | 1809a72 | 2013-08-09 22:05:32 -0700 | [diff] [blame] | 31 | #include "vmap_table.h" |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 32 | |
| 33 | namespace art { |
| 34 | |
Brian Carlstrom | 30e2ea4 | 2013-06-19 23:25:37 -0700 | [diff] [blame] | 35 | std::string OatFile::DexFilenameToOdexFilename(const std::string& location) { |
jeffhao | 262bf46 | 2011-10-20 18:36:32 -0700 | [diff] [blame] | 36 | CHECK(IsValidDexFilename(location) || IsValidZipFilename(location)); |
Brian Carlstrom | 30e2ea4 | 2013-06-19 23:25:37 -0700 | [diff] [blame] | 37 | std::string odex_location(location); |
| 38 | odex_location.resize(odex_location.size() - 3); // 3=dex or zip or apk |
| 39 | CHECK_EQ('.', odex_location[odex_location.size()-1]); |
| 40 | odex_location += "odex"; |
| 41 | return odex_location; |
Brian Carlstrom | b7bbba4 | 2011-10-13 14:58:47 -0700 | [diff] [blame] | 42 | } |
| 43 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 44 | void OatFile::CheckLocation(const std::string& location) { |
Brian Carlstrom | 7a967b3 | 2012-03-28 15:23:10 -0700 | [diff] [blame] | 45 | CHECK(!location.empty()); |
| 46 | if (!IsValidOatFilename(location)) { |
Brian Carlstrom | f852fb2 | 2012-10-19 11:01:58 -0700 | [diff] [blame] | 47 | LOG(WARNING) << "Attempting to open oat file with unknown extension '" << location << "'"; |
Brian Carlstrom | 7a967b3 | 2012-03-28 15:23:10 -0700 | [diff] [blame] | 48 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 49 | } |
| 50 | |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 51 | OatFile* OatFile::OpenMemory(std::vector<uint8_t>& oat_contents, |
| 52 | const std::string& location) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 53 | CHECK(!oat_contents.empty()) << location; |
| 54 | CheckLocation(location); |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 55 | UniquePtr<OatFile> oat_file(new OatFile(location)); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 56 | oat_file->begin_ = &oat_contents[0]; |
| 57 | oat_file->end_ = &oat_contents[oat_contents.size()]; |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 58 | return oat_file->Setup() ? oat_file.release() : NULL; |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | OatFile* OatFile::Open(const std::string& filename, |
| 62 | const std::string& location, |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 63 | byte* requested_base, |
| 64 | bool executable) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 65 | CHECK(!filename.empty()) << location; |
Brian Carlstrom | 30e2ea4 | 2013-06-19 23:25:37 -0700 | [diff] [blame] | 66 | CheckLocation(filename); |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 67 | // If we are trying to execute, we need to use dlopen. |
| 68 | if (executable) { |
| 69 | return OpenDlopen(filename, location, requested_base); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 70 | } |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 71 | // If we aren't trying to execute, we just use our own ElfFile loader for a couple reasons: |
| 72 | // |
| 73 | // On target, dlopen may fail when compiling due to selinux restrictions on installd. |
| 74 | // |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 75 | // On host, dlopen is expected to fail when cross compiling, so fall back to OpenElfFile. |
| 76 | // This won't work for portable runtime execution because it doesn't process relocations. |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 77 | UniquePtr<File> file(OS::OpenFileForReading(filename.c_str())); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 78 | if (file.get() == NULL) { |
| 79 | return NULL; |
| 80 | } |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 81 | return OpenElfFile(file.get(), location, requested_base, false, executable); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 82 | } |
| 83 | |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 84 | OatFile* OatFile::OpenWritable(File* file, const std::string& location) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 85 | CheckLocation(location); |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 86 | return OpenElfFile(file, location, NULL, true, false); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | OatFile* OatFile::OpenDlopen(const std::string& elf_filename, |
| 90 | const std::string& location, |
| 91 | byte* requested_base) { |
| 92 | UniquePtr<OatFile> oat_file(new OatFile(location)); |
| 93 | bool success = oat_file->Dlopen(elf_filename, requested_base); |
| 94 | if (!success) { |
| 95 | return NULL; |
| 96 | } |
| 97 | return oat_file.release(); |
| 98 | } |
| 99 | |
| 100 | OatFile* OatFile::OpenElfFile(File* file, |
| 101 | const std::string& location, |
| 102 | byte* requested_base, |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 103 | bool writable, |
| 104 | bool executable) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 105 | UniquePtr<OatFile> oat_file(new OatFile(location)); |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 106 | bool success = oat_file->ElfFileOpen(file, requested_base, writable, executable); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 107 | if (!success) { |
| 108 | return NULL; |
| 109 | } |
| 110 | return oat_file.release(); |
| 111 | } |
| 112 | |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 113 | OatFile::OatFile(const std::string& location) |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 114 | : location_(location), begin_(NULL), end_(NULL), dlopen_handle_(NULL) { |
Brian Carlstrom | a004aa9 | 2012-02-08 18:05:09 -0800 | [diff] [blame] | 115 | CHECK(!location_.empty()); |
| 116 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 117 | |
| 118 | OatFile::~OatFile() { |
| 119 | STLDeleteValues(&oat_dex_files_); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 120 | if (dlopen_handle_ != NULL) { |
| 121 | dlclose(dlopen_handle_); |
| 122 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 123 | } |
| 124 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 125 | bool OatFile::Dlopen(const std::string& elf_filename, byte* requested_base) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 126 | char* absolute_path = realpath(elf_filename.c_str(), NULL); |
| 127 | if (absolute_path == NULL) { |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 128 | VLOG(class_linker) << "Failed to find absolute path for " << elf_filename; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 129 | return false; |
| 130 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 131 | dlopen_handle_ = dlopen(absolute_path, RTLD_NOW); |
| 132 | free(absolute_path); |
| 133 | if (dlopen_handle_ == NULL) { |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 134 | VLOG(class_linker) << "Failed to dlopen " << elf_filename << ": " << dlerror(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 135 | return false; |
| 136 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 137 | begin_ = reinterpret_cast<byte*>(dlsym(dlopen_handle_, "oatdata")); |
| 138 | if (begin_ == NULL) { |
| 139 | LOG(WARNING) << "Failed to find oatdata symbol in " << elf_filename << ": " << dlerror(); |
| 140 | return false; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 141 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 142 | if (requested_base != NULL && begin_ != requested_base) { |
| 143 | std::string maps; |
| 144 | ReadFileToString("/proc/self/maps", &maps); |
| 145 | LOG(WARNING) << "Failed to find oatdata symbol at expected address: oatdata=" |
| 146 | << reinterpret_cast<const void*>(begin_) << " != expected=" |
| 147 | << reinterpret_cast<const void*>(requested_base) |
| 148 | << " /proc/self/maps:\n" << maps; |
| 149 | return false; |
| 150 | } |
| 151 | end_ = reinterpret_cast<byte*>(dlsym(dlopen_handle_, "oatlastword")); |
| 152 | if (end_ == NULL) { |
| 153 | LOG(WARNING) << "Failed to find oatlastword symbol in " << elf_filename << ": " << dlerror(); |
| 154 | return false; |
| 155 | } |
| 156 | // Readjust to be non-inclusive upper bound. |
| 157 | end_ += sizeof(uint32_t); |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 158 | return Setup(); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 159 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 160 | |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 161 | bool OatFile::ElfFileOpen(File* file, byte* requested_base, bool writable, bool executable) { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 162 | elf_file_.reset(ElfFile::Open(file, writable, true)); |
| 163 | if (elf_file_.get() == NULL) { |
| 164 | PLOG(WARNING) << "Failed to create ELF file for " << file->GetPath(); |
| 165 | return false; |
| 166 | } |
Brian Carlstrom | f1d3455 | 2013-07-12 20:22:23 -0700 | [diff] [blame] | 167 | bool loaded = elf_file_->Load(executable); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 168 | if (!loaded) { |
| 169 | LOG(WARNING) << "Failed to load ELF file " << file->GetPath(); |
| 170 | return false; |
| 171 | } |
| 172 | begin_ = elf_file_->FindDynamicSymbolAddress("oatdata"); |
| 173 | if (begin_ == NULL) { |
| 174 | LOG(WARNING) << "Failed to find oatdata symbol in " << file->GetPath(); |
| 175 | return false; |
| 176 | } |
| 177 | if (requested_base != NULL && begin_ != requested_base) { |
| 178 | std::string maps; |
| 179 | ReadFileToString("/proc/self/maps", &maps); |
| 180 | LOG(WARNING) << "Failed to find oatdata symbol at expected address: oatdata=" |
| 181 | << reinterpret_cast<const void*>(begin_) << " != expected=" |
| 182 | << reinterpret_cast<const void*>(requested_base) |
| 183 | << " /proc/self/maps:\n" << maps; |
| 184 | return false; |
| 185 | } |
| 186 | end_ = elf_file_->FindDynamicSymbolAddress("oatlastword"); |
| 187 | if (end_ == NULL) { |
| 188 | LOG(WARNING) << "Failed to find oatlastword symbol in " << file->GetPath(); |
| 189 | return false; |
| 190 | } |
| 191 | // Readjust to be non-inclusive upper bound. |
| 192 | end_ += sizeof(uint32_t); |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 193 | return Setup(); |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 194 | } |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 195 | |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 196 | bool OatFile::Setup() { |
| 197 | if (!GetOatHeader().IsValid()) { |
| 198 | LOG(WARNING) << "Invalid oat magic for " << GetLocation(); |
| 199 | return false; |
| 200 | } |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 201 | const byte* oat = Begin(); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 202 | oat += sizeof(OatHeader); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 203 | if (oat > End()) { |
| 204 | LOG(ERROR) << "In oat file " << GetLocation() << " found truncated OatHeader"; |
| 205 | return false; |
| 206 | } |
Brian Carlstrom | 81f3ca1 | 2012-03-17 00:27:35 -0700 | [diff] [blame] | 207 | |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 208 | oat += GetOatHeader().GetImageFileLocationSize(); |
| 209 | if (oat > End()) { |
| 210 | LOG(ERROR) << "In oat file " << GetLocation() << " found truncated image file location: " |
| 211 | << reinterpret_cast<const void*>(Begin()) |
| 212 | << "+" << sizeof(OatHeader) |
| 213 | << "+" << GetOatHeader().GetImageFileLocationSize() |
| 214 | << "<=" << reinterpret_cast<const void*>(End()); |
| 215 | return false; |
| 216 | } |
| 217 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 218 | for (size_t i = 0; i < GetOatHeader().GetDexFileCount(); i++) { |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 219 | size_t dex_file_location_size = *reinterpret_cast<const uint32_t*>(oat); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 220 | if (dex_file_location_size == 0U) { |
| 221 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 222 | << " with empty location name"; |
| 223 | return false; |
| 224 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 225 | oat += sizeof(dex_file_location_size); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 226 | if (oat > End()) { |
| 227 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 228 | << " truncated after dex file location size"; |
| 229 | return false; |
| 230 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 231 | |
| 232 | const char* dex_file_location_data = reinterpret_cast<const char*>(oat); |
| 233 | oat += dex_file_location_size; |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 234 | if (oat > End()) { |
| 235 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 236 | << " with truncated dex file location"; |
| 237 | return false; |
| 238 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 239 | |
| 240 | std::string dex_file_location(dex_file_location_data, dex_file_location_size); |
| 241 | |
| 242 | uint32_t dex_file_checksum = *reinterpret_cast<const uint32_t*>(oat); |
| 243 | oat += sizeof(dex_file_checksum); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 244 | if (oat > End()) { |
| 245 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 246 | << " for "<< dex_file_location |
| 247 | << " truncated after dex file checksum"; |
| 248 | return false; |
| 249 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 250 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 251 | uint32_t dex_file_offset = *reinterpret_cast<const uint32_t*>(oat); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 252 | if (dex_file_offset == 0U) { |
| 253 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 254 | << " for "<< dex_file_location |
| 255 | << " with zero dex file offset"; |
| 256 | return false; |
| 257 | } |
| 258 | if (dex_file_offset > Size()) { |
| 259 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 260 | << " for "<< dex_file_location |
| 261 | << " with dex file offset" << dex_file_offset << " > " << Size(); |
| 262 | return false; |
| 263 | } |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 264 | oat += sizeof(dex_file_offset); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 265 | if (oat > End()) { |
| 266 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 267 | << " for "<< dex_file_location |
| 268 | << " truncated after dex file offset"; |
| 269 | return false; |
| 270 | } |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 271 | |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 272 | const uint8_t* dex_file_pointer = Begin() + dex_file_offset; |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 273 | if (!DexFile::IsMagicValid(dex_file_pointer)) { |
| 274 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 275 | << " for "<< dex_file_location |
| 276 | << " with invalid dex file magic: " << dex_file_pointer; |
| 277 | return false; |
| 278 | } |
| 279 | if (!DexFile::IsVersionValid(dex_file_pointer)) { |
| 280 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 281 | << " for "<< dex_file_location |
| 282 | << " with invalid dex file version: " << dex_file_pointer; |
| 283 | return false; |
| 284 | } |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 285 | const DexFile::Header* header = reinterpret_cast<const DexFile::Header*>(dex_file_pointer); |
| 286 | const uint32_t* methods_offsets_pointer = reinterpret_cast<const uint32_t*>(oat); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 287 | |
Brian Carlstrom | 6e3b1d9 | 2012-01-11 01:36:32 -0800 | [diff] [blame] | 288 | oat += (sizeof(*methods_offsets_pointer) * header->class_defs_size_); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 289 | if (oat > End()) { |
| 290 | LOG(ERROR) << "In oat file " << GetLocation() << " found OatDexFile # " << i |
| 291 | << " for "<< dex_file_location |
| 292 | << " with truncated method offsets"; |
| 293 | return false; |
| 294 | } |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 295 | |
Elliott Hughes | a0e1806 | 2012-04-13 15:59:59 -0700 | [diff] [blame] | 296 | oat_dex_files_.Put(dex_file_location, new OatDexFile(this, |
| 297 | dex_file_location, |
| 298 | dex_file_checksum, |
| 299 | dex_file_pointer, |
| 300 | methods_offsets_pointer)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 301 | } |
Brian Carlstrom | f1b3030 | 2013-03-28 10:35:32 -0700 | [diff] [blame] | 302 | return true; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | const OatHeader& OatFile::GetOatHeader() const { |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 306 | return *reinterpret_cast<const OatHeader*>(Begin()); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 307 | } |
| 308 | |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 309 | const byte* OatFile::Begin() const { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 310 | CHECK(begin_ != NULL); |
| 311 | return begin_; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 312 | } |
| 313 | |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 314 | const byte* OatFile::End() const { |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 315 | CHECK(end_ != NULL); |
| 316 | return end_; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 317 | } |
| 318 | |
Ian Rogers | 7fe2c69 | 2011-12-06 16:35:59 -0800 | [diff] [blame] | 319 | const OatFile::OatDexFile* OatFile::GetOatDexFile(const std::string& dex_file_location, |
| 320 | bool warn_if_not_found) const { |
Brian Carlstrom | 58ae941 | 2011-10-04 00:56:06 -0700 | [diff] [blame] | 321 | Table::const_iterator it = oat_dex_files_.find(dex_file_location); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 322 | if (it == oat_dex_files_.end()) { |
Ian Rogers | 7fe2c69 | 2011-12-06 16:35:59 -0800 | [diff] [blame] | 323 | if (warn_if_not_found) { |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 324 | LOG(WARNING) << "Failed to find OatDexFile for DexFile " << dex_file_location |
| 325 | << " in OatFile " << GetLocation(); |
| 326 | if (kIsDebugBuild) { |
| 327 | for (Table::const_iterator it = oat_dex_files_.begin(); it != oat_dex_files_.end(); ++it) { |
| 328 | LOG(WARNING) << "OatFile " << GetLocation() |
| 329 | << " contains OatDexFile " << it->second->GetDexFileLocation(); |
| 330 | } |
| 331 | } |
Ian Rogers | 7fe2c69 | 2011-12-06 16:35:59 -0800 | [diff] [blame] | 332 | } |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 333 | return NULL; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 334 | } |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 335 | return it->second; |
| 336 | } |
| 337 | |
| 338 | std::vector<const OatFile::OatDexFile*> OatFile::GetOatDexFiles() const { |
| 339 | std::vector<const OatFile::OatDexFile*> result; |
Elliott Hughes | 362f9bc | 2011-10-17 18:56:41 -0700 | [diff] [blame] | 340 | for (Table::const_iterator it = oat_dex_files_.begin(); it != oat_dex_files_.end(); ++it) { |
Brian Carlstrom | aded5f7 | 2011-10-07 17:15:04 -0700 | [diff] [blame] | 341 | result.push_back(it->second); |
| 342 | } |
| 343 | return result; |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | OatFile::OatDexFile::OatDexFile(const OatFile* oat_file, |
Elliott Hughes | aa6a588 | 2012-01-13 19:39:16 -0800 | [diff] [blame] | 347 | const std::string& dex_file_location, |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 348 | uint32_t dex_file_location_checksum, |
Brian Carlstrom | 700c8d3 | 2012-11-05 10:42:02 -0800 | [diff] [blame] | 349 | const byte* dex_file_pointer, |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 350 | const uint32_t* oat_class_offsets_pointer) |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 351 | : oat_file_(oat_file), |
| 352 | dex_file_location_(dex_file_location), |
Brian Carlstrom | 5b332c8 | 2012-02-01 15:02:31 -0800 | [diff] [blame] | 353 | dex_file_location_checksum_(dex_file_location_checksum), |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 354 | dex_file_pointer_(dex_file_pointer), |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 355 | oat_class_offsets_pointer_(oat_class_offsets_pointer) {} |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 356 | |
| 357 | OatFile::OatDexFile::~OatDexFile() {} |
| 358 | |
Ian Rogers | 05f28c6 | 2012-10-23 18:12:13 -0700 | [diff] [blame] | 359 | size_t OatFile::OatDexFile::FileSize() const { |
| 360 | return reinterpret_cast<const DexFile::Header*>(dex_file_pointer_)->file_size_; |
| 361 | } |
| 362 | |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 363 | const DexFile* OatFile::OatDexFile::OpenDexFile() const { |
Ian Rogers | 05f28c6 | 2012-10-23 18:12:13 -0700 | [diff] [blame] | 364 | return DexFile::Open(dex_file_pointer_, FileSize(), dex_file_location_, |
Brian Carlstrom | 28db012 | 2012-10-18 16:20:41 -0700 | [diff] [blame] | 365 | dex_file_location_checksum_); |
Brian Carlstrom | 8952189 | 2011-12-07 22:05:07 -0800 | [diff] [blame] | 366 | } |
| 367 | |
Ian Rogers | 8b2c0b9 | 2013-09-19 02:56:49 -0700 | [diff] [blame] | 368 | const OatFile::OatClass* OatFile::OatDexFile::GetOatClass(uint16_t class_def_index) const { |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 369 | uint32_t oat_class_offset = oat_class_offsets_pointer_[class_def_index]; |
| 370 | |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 371 | const byte* oat_class_pointer = oat_file_->Begin() + oat_class_offset; |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 372 | CHECK_LT(oat_class_pointer, oat_file_->End()) << oat_file_->GetLocation(); |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 373 | mirror::Class::Status status = *reinterpret_cast<const mirror::Class::Status*>(oat_class_pointer); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 374 | |
| 375 | const byte* methods_pointer = oat_class_pointer + sizeof(status); |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 376 | CHECK_LT(methods_pointer, oat_file_->End()) << oat_file_->GetLocation(); |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 377 | |
| 378 | return new OatClass(oat_file_, |
| 379 | status, |
| 380 | reinterpret_cast<const OatMethodOffsets*>(methods_pointer)); |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 381 | } |
| 382 | |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 383 | OatFile::OatClass::OatClass(const OatFile* oat_file, |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 384 | mirror::Class::Status status, |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 385 | const OatMethodOffsets* methods_pointer) |
| 386 | : oat_file_(oat_file), status_(status), methods_pointer_(methods_pointer) {} |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 387 | |
| 388 | OatFile::OatClass::~OatClass() {} |
| 389 | |
Ian Rogers | 2dd0e2c | 2013-01-24 12:42:14 -0800 | [diff] [blame] | 390 | mirror::Class::Status OatFile::OatClass::GetStatus() const { |
Brian Carlstrom | 0755ec5 | 2012-01-11 15:19:46 -0800 | [diff] [blame] | 391 | return status_; |
| 392 | } |
| 393 | |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 394 | const OatFile::OatMethod OatFile::OatClass::GetOatMethod(uint32_t method_index) const { |
| 395 | const OatMethodOffsets& oat_method_offsets = methods_pointer_[method_index]; |
| 396 | return OatMethod( |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 397 | oat_file_->Begin(), |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 398 | oat_method_offsets.code_offset_, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 399 | oat_method_offsets.frame_size_in_bytes_, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 400 | oat_method_offsets.core_spill_mask_, |
| 401 | oat_method_offsets.fp_spill_mask_, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 402 | oat_method_offsets.mapping_table_offset_, |
| 403 | oat_method_offsets.vmap_table_offset_, |
Brian Carlstrom | 6a47b9d | 2013-05-17 10:58:25 -0700 | [diff] [blame] | 404 | oat_method_offsets.gc_map_offset_); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 405 | } |
| 406 | |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 407 | OatFile::OatMethod::OatMethod(const byte* base, |
| 408 | const uint32_t code_offset, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 409 | const size_t frame_size_in_bytes, |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 410 | const uint32_t core_spill_mask, |
| 411 | const uint32_t fp_spill_mask, |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 412 | const uint32_t mapping_table_offset, |
| 413 | const uint32_t vmap_table_offset, |
Brian Carlstrom | 6a47b9d | 2013-05-17 10:58:25 -0700 | [diff] [blame] | 414 | const uint32_t gc_map_offset) |
Ian Rogers | 30fab40 | 2012-01-23 15:43:46 -0800 | [diff] [blame] | 415 | : begin_(base), |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 416 | code_offset_(code_offset), |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 417 | frame_size_in_bytes_(frame_size_in_bytes), |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 418 | core_spill_mask_(core_spill_mask), |
| 419 | fp_spill_mask_(fp_spill_mask), |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 420 | mapping_table_offset_(mapping_table_offset), |
| 421 | vmap_table_offset_(vmap_table_offset), |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 422 | native_gc_map_offset_(gc_map_offset) { |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 423 | #ifndef NDEBUG |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 424 | if (mapping_table_offset_ != 0) { // implies non-native, non-stub code |
| 425 | if (vmap_table_offset_ == 0) { |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 426 | DCHECK_EQ(0U, static_cast<uint32_t>(__builtin_popcount(core_spill_mask_) + |
| 427 | __builtin_popcount(fp_spill_mask_))); |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 428 | } else { |
Ian Rogers | 1809a72 | 2013-08-09 22:05:32 -0700 | [diff] [blame] | 429 | VmapTable vmap_table(reinterpret_cast<const uint8_t*>(begin_ + vmap_table_offset_)); |
| 430 | |
| 431 | DCHECK_EQ(vmap_table.Size(), static_cast<uint32_t>(__builtin_popcount(core_spill_mask_) + |
| 432 | __builtin_popcount(fp_spill_mask_))); |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 433 | } |
| 434 | } else { |
Elliott Hughes | ba8eee1 | 2012-01-24 20:25:24 -0800 | [diff] [blame] | 435 | DCHECK_EQ(vmap_table_offset_, 0U); |
Brian Carlstrom | 0dd7dda | 2011-10-25 15:47:53 -0700 | [diff] [blame] | 436 | } |
| 437 | #endif |
| 438 | } |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 439 | |
| 440 | OatFile::OatMethod::~OatMethod() {} |
| 441 | |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 442 | const void* OatFile::OatMethod::GetCode() const { |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 443 | return GetOatPointer<const void*>(code_offset_); |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 444 | } |
| 445 | |
| 446 | uint32_t OatFile::OatMethod::GetCodeSize() const { |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 447 | #if defined(ART_USE_PORTABLE_COMPILER) |
| 448 | // TODO: With Quick, we store the size before the code. With |
| 449 | // Portable, the code is in a .o file we don't manage ourselves. ELF |
| 450 | // symbols do have a concept of size, so we could capture that and |
| 451 | // store it somewhere, such as the OatMethod. |
| 452 | return 0; |
| 453 | #else |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 454 | uintptr_t code = reinterpret_cast<uint32_t>(GetCode()); |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 455 | |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 456 | if (code == 0) { |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 457 | return 0; |
| 458 | } |
Logan Chien | 971bf3f | 2012-05-01 15:47:55 +0800 | [diff] [blame] | 459 | // TODO: make this Thumb2 specific |
| 460 | code &= ~0x1; |
| 461 | return reinterpret_cast<uint32_t*>(code)[-1]; |
Brian Carlstrom | 265091e | 2013-01-30 14:08:26 -0800 | [diff] [blame] | 462 | #endif |
Logan Chien | 0c717dd | 2012-03-28 18:31:07 +0800 | [diff] [blame] | 463 | } |
| 464 | |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 465 | void OatFile::OatMethod::LinkMethod(mirror::ArtMethod* method) const { |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 466 | CHECK(method != NULL); |
Jeff Hao | aa4a793 | 2013-05-13 11:28:27 -0700 | [diff] [blame] | 467 | method->SetEntryPointFromCompiledCode(GetCode()); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 468 | method->SetFrameSizeInBytes(frame_size_in_bytes_); |
Brian Carlstrom | 3320cf4 | 2011-10-04 14:58:28 -0700 | [diff] [blame] | 469 | method->SetCoreSpillMask(core_spill_mask_); |
| 470 | method->SetFpSpillMask(fp_spill_mask_); |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 471 | method->SetMappingTable(GetMappingTable()); |
| 472 | method->SetVmapTable(GetVmapTable()); |
Brian Carlstrom | fb331d7 | 2013-07-25 22:00:16 -0700 | [diff] [blame] | 473 | method->SetNativeGcMap(GetNativeGcMap()); // Used by native methods in work around JNI mode. |
Brian Carlstrom | ae82698 | 2011-11-09 01:33:42 -0800 | [diff] [blame] | 474 | } |
| 475 | |
Brian Carlstrom | e24fa61 | 2011-09-29 00:53:55 -0700 | [diff] [blame] | 476 | } // namespace art |