Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [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 | */ |
| 16 | |
| 17 | #include <stdio.h> |
| 18 | #include <stdlib.h> |
| 19 | #include <sys/stat.h> |
| 20 | |
| 21 | #include <fstream> |
| 22 | #include <iostream> |
| 23 | #include <sstream> |
| 24 | #include <string> |
| 25 | #include <vector> |
| 26 | |
| 27 | #include "base/stl_util.h" |
| 28 | #include "base/stringpiece.h" |
| 29 | #include "base/timing_logger.h" |
| 30 | #include "base/unix_file/fd_file.h" |
| 31 | #include "class_linker.h" |
| 32 | #include "dex_file-inl.h" |
| 33 | #include "driver/compiler_driver.h" |
| 34 | #include "elf_fixup.h" |
| 35 | #include "elf_stripper.h" |
| 36 | #include "gc/space/image_space.h" |
| 37 | #include "gc/space/space-inl.h" |
| 38 | #include "image_writer.h" |
| 39 | #include "leb128.h" |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 40 | #include "mirror/art_method-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 41 | #include "mirror/class-inl.h" |
| 42 | #include "mirror/class_loader.h" |
| 43 | #include "mirror/object-inl.h" |
| 44 | #include "mirror/object_array-inl.h" |
| 45 | #include "oat_writer.h" |
| 46 | #include "object_utils.h" |
| 47 | #include "os.h" |
| 48 | #include "runtime.h" |
| 49 | #include "ScopedLocalRef.h" |
| 50 | #include "scoped_thread_state_change.h" |
| 51 | #include "sirt_ref.h" |
| 52 | #include "vector_output_stream.h" |
| 53 | #include "well_known_classes.h" |
| 54 | #include "zip_archive.h" |
| 55 | |
| 56 | namespace art { |
| 57 | |
| 58 | static void UsageErrorV(const char* fmt, va_list ap) { |
| 59 | std::string error; |
| 60 | StringAppendV(&error, fmt, ap); |
| 61 | LOG(ERROR) << error; |
| 62 | } |
| 63 | |
| 64 | static void UsageError(const char* fmt, ...) { |
| 65 | va_list ap; |
| 66 | va_start(ap, fmt); |
| 67 | UsageErrorV(fmt, ap); |
| 68 | va_end(ap); |
| 69 | } |
| 70 | |
| 71 | static void Usage(const char* fmt, ...) { |
| 72 | va_list ap; |
| 73 | va_start(ap, fmt); |
| 74 | UsageErrorV(fmt, ap); |
| 75 | va_end(ap); |
| 76 | |
| 77 | UsageError("Usage: dex2oat [options]..."); |
| 78 | UsageError(""); |
| 79 | UsageError(" --dex-file=<dex-file>: specifies a .dex file to compile."); |
| 80 | UsageError(" Example: --dex-file=/system/framework/core.jar"); |
| 81 | UsageError(""); |
| 82 | UsageError(" --zip-fd=<file-descriptor>: specifies a file descriptor of a zip file"); |
| 83 | UsageError(" containing a classes.dex file to compile."); |
| 84 | UsageError(" Example: --zip-fd=5"); |
| 85 | UsageError(""); |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 86 | UsageError(" --zip-location=<zip-location>: specifies a symbolic name for the file"); |
| 87 | UsageError(" corresponding to the file descriptor specified by --zip-fd."); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 88 | UsageError(" Example: --zip-location=/system/app/Calculator.apk"); |
| 89 | UsageError(""); |
| 90 | UsageError(" --oat-file=<file.oat>: specifies the oat output destination via a filename."); |
| 91 | UsageError(" Example: --oat-file=/system/framework/boot.oat"); |
| 92 | UsageError(""); |
| 93 | UsageError(" --oat-fd=<number>: specifies the oat output destination via a file descriptor."); |
| 94 | UsageError(" Example: --oat-file=/system/framework/boot.oat"); |
| 95 | UsageError(""); |
| 96 | UsageError(" --oat-location=<oat-name>: specifies a symbolic name for the file corresponding"); |
| 97 | UsageError(" to the file descriptor specified by --oat-fd."); |
| 98 | UsageError(" Example: --oat-location=/data/dalvik-cache/system@app@Calculator.apk.oat"); |
| 99 | UsageError(""); |
| 100 | UsageError(" --oat-symbols=<file.oat>: specifies the oat output destination with full symbols."); |
| 101 | UsageError(" Example: --oat-symbols=/symbols/system/framework/boot.oat"); |
| 102 | UsageError(""); |
| 103 | UsageError(" --bitcode=<file.bc>: specifies the optional bitcode filename."); |
| 104 | UsageError(" Example: --bitcode=/system/framework/boot.bc"); |
| 105 | UsageError(""); |
| 106 | UsageError(" --image=<file.art>: specifies the output image filename."); |
| 107 | UsageError(" Example: --image=/system/framework/boot.art"); |
| 108 | UsageError(""); |
| 109 | UsageError(" --image-classes=<classname-file>: specifies classes to include in an image."); |
| 110 | UsageError(" Example: --image=frameworks/base/preloaded-classes"); |
| 111 | UsageError(""); |
| 112 | UsageError(" --base=<hex-address>: specifies the base address when creating a boot image."); |
| 113 | UsageError(" Example: --base=0x50000000"); |
| 114 | UsageError(""); |
| 115 | UsageError(" --boot-image=<file.art>: provide the image file for the boot class path."); |
| 116 | UsageError(" Example: --boot-image=/system/framework/boot.art"); |
| 117 | UsageError(" Default: <host-prefix>/system/framework/boot.art"); |
| 118 | UsageError(""); |
| 119 | UsageError(" --host-prefix=<path>: used to translate host paths to target paths during"); |
| 120 | UsageError(" cross compilation."); |
| 121 | UsageError(" Example: --host-prefix=out/target/product/crespo"); |
| 122 | UsageError(" Default: $ANDROID_PRODUCT_OUT"); |
| 123 | UsageError(""); |
| 124 | UsageError(" --android-root=<path>: used to locate libraries for portable linking."); |
| 125 | UsageError(" Example: --android-root=out/host/linux-x86"); |
| 126 | UsageError(" Default: $ANDROID_ROOT"); |
| 127 | UsageError(""); |
| 128 | UsageError(" --instruction-set=(arm|mips|x86): compile for a particular instruction"); |
| 129 | UsageError(" set."); |
| 130 | UsageError(" Example: --instruction-set=x86"); |
| 131 | UsageError(" Default: arm"); |
| 132 | UsageError(""); |
| 133 | UsageError(" --compiler-backend=(Quick|QuickGBC|Portable): select compiler backend"); |
| 134 | UsageError(" set."); |
| 135 | UsageError(" Example: --instruction-set=Portable"); |
| 136 | UsageError(" Default: Quick"); |
| 137 | UsageError(""); |
| 138 | UsageError(" --host: used with Portable backend to link against host runtime libraries"); |
| 139 | UsageError(""); |
| 140 | UsageError(" --runtime-arg <argument>: used to specify various arguments for the runtime,"); |
| 141 | UsageError(" such as initial heap size, maximum heap size, and verbose output."); |
| 142 | UsageError(" Use a separate --runtime-arg switch for each argument."); |
| 143 | UsageError(" Example: --runtime-arg -Xms256m"); |
| 144 | UsageError(""); |
| 145 | std::cerr << "See log for usage error information\n"; |
| 146 | exit(EXIT_FAILURE); |
| 147 | } |
| 148 | |
| 149 | class Dex2Oat { |
| 150 | public: |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 151 | static bool Create(Dex2Oat** p_dex2oat, |
| 152 | Runtime::Options& options, |
| 153 | CompilerBackend compiler_backend, |
| 154 | InstructionSet instruction_set, |
| 155 | size_t thread_count) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 156 | SHARED_TRYLOCK_FUNCTION(true, Locks::mutator_lock_) { |
| 157 | if (!CreateRuntime(options, instruction_set)) { |
| 158 | *p_dex2oat = NULL; |
| 159 | return false; |
| 160 | } |
Brian Carlstrom | 0177fe2 | 2013-07-21 12:21:36 -0700 | [diff] [blame] | 161 | *p_dex2oat = new Dex2Oat(Runtime::Current(), compiler_backend, instruction_set, thread_count); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 162 | return true; |
| 163 | } |
| 164 | |
| 165 | ~Dex2Oat() { |
| 166 | delete runtime_; |
Anwar Ghuloum | 75a43f1 | 2013-08-13 17:22:14 -0700 | [diff] [blame] | 167 | VLOG(compiler) << "dex2oat took " << PrettyDuration(NanoTime() - start_ns_) |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 168 | << " (threads: " << thread_count_ << ")"; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 172 | // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 173 | CompilerDriver::DescriptorSet* ReadImageClassesFromFile(const char* image_classes_filename) { |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 174 | UniquePtr<std::ifstream> image_classes_file(new std::ifstream(image_classes_filename, |
| 175 | std::ifstream::in)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 176 | if (image_classes_file.get() == NULL) { |
| 177 | LOG(ERROR) << "Failed to open image classes file " << image_classes_filename; |
| 178 | return NULL; |
| 179 | } |
| 180 | UniquePtr<CompilerDriver::DescriptorSet> result(ReadImageClasses(*image_classes_file.get())); |
| 181 | image_classes_file->close(); |
| 182 | return result.release(); |
| 183 | } |
| 184 | |
| 185 | CompilerDriver::DescriptorSet* ReadImageClasses(std::istream& image_classes_stream) { |
| 186 | UniquePtr<CompilerDriver::DescriptorSet> image_classes(new CompilerDriver::DescriptorSet); |
| 187 | while (image_classes_stream.good()) { |
| 188 | std::string dot; |
| 189 | std::getline(image_classes_stream, dot); |
| 190 | if (StartsWith(dot, "#") || dot.empty()) { |
| 191 | continue; |
| 192 | } |
| 193 | std::string descriptor(DotToDescriptor(dot.c_str())); |
| 194 | image_classes->insert(descriptor); |
| 195 | } |
| 196 | return image_classes.release(); |
| 197 | } |
| 198 | |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 199 | // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;) |
| 200 | CompilerDriver::DescriptorSet* ReadImageClassesFromZip(const std::string& zip_filename, |
| 201 | const char* image_classes_filename) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 202 | UniquePtr<ZipArchive> zip_archive(ZipArchive::Open(zip_filename)); |
| 203 | if (zip_archive.get() == NULL) { |
| 204 | LOG(ERROR) << "Failed to open zip file " << zip_filename; |
| 205 | return NULL; |
| 206 | } |
| 207 | UniquePtr<ZipEntry> zip_entry(zip_archive->Find(image_classes_filename)); |
| 208 | if (zip_entry.get() == NULL) { |
| 209 | LOG(ERROR) << "Failed to find " << image_classes_filename << " within " << zip_filename; |
| 210 | return NULL; |
| 211 | } |
| 212 | UniquePtr<MemMap> image_classes_file(zip_entry->ExtractToMemMap(image_classes_filename)); |
| 213 | if (image_classes_file.get() == NULL) { |
| 214 | LOG(ERROR) << "Failed to extract " << image_classes_filename << " from " << zip_filename; |
| 215 | return NULL; |
| 216 | } |
| 217 | const std::string image_classes_string(reinterpret_cast<char*>(image_classes_file->Begin()), |
| 218 | image_classes_file->Size()); |
| 219 | std::istringstream image_classes_stream(image_classes_string); |
| 220 | return ReadImageClasses(image_classes_stream); |
| 221 | } |
| 222 | |
| 223 | const CompilerDriver* CreateOatFile(const std::string& boot_image_option, |
| 224 | const std::string* host_prefix, |
| 225 | const std::string& android_root, |
| 226 | bool is_host, |
| 227 | const std::vector<const DexFile*>& dex_files, |
| 228 | File* oat_file, |
| 229 | const std::string& bitcode_filename, |
| 230 | bool image, |
| 231 | UniquePtr<CompilerDriver::DescriptorSet>& image_classes, |
| 232 | bool dump_stats, |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 233 | base::TimingLogger& timings) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 234 | SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { |
| 235 | // SirtRef and ClassLoader creation needs to come after Runtime::Create |
| 236 | jobject class_loader = NULL; |
| 237 | if (!boot_image_option.empty()) { |
| 238 | ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| 239 | std::vector<const DexFile*> class_path_files(dex_files); |
| 240 | OpenClassPathFiles(runtime_->GetClassPathString(), class_path_files); |
| 241 | for (size_t i = 0; i < class_path_files.size(); i++) { |
| 242 | class_linker->RegisterDexFile(*class_path_files[i]); |
| 243 | } |
| 244 | ScopedObjectAccessUnchecked soa(Thread::Current()); |
| 245 | soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader); |
| 246 | ScopedLocalRef<jobject> class_loader_local(soa.Env(), |
| 247 | soa.Env()->AllocObject(WellKnownClasses::dalvik_system_PathClassLoader)); |
| 248 | class_loader = soa.Env()->NewGlobalRef(class_loader_local.get()); |
| 249 | Runtime::Current()->SetCompileTimeClassPath(class_loader, class_path_files); |
| 250 | } |
| 251 | |
| 252 | UniquePtr<CompilerDriver> driver(new CompilerDriver(compiler_backend_, |
| 253 | instruction_set_, |
| 254 | image, |
| 255 | image_classes.release(), |
| 256 | thread_count_, |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 257 | dump_stats)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 258 | |
| 259 | if (compiler_backend_ == kPortable) { |
| 260 | driver->SetBitcodeFileName(bitcode_filename); |
| 261 | } |
| 262 | |
| 263 | |
| 264 | Thread::Current()->TransitionFromRunnableToSuspended(kNative); |
| 265 | |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 266 | driver->CompileAll(class_loader, dex_files, timings); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 267 | |
| 268 | Thread::Current()->TransitionFromSuspendedToRunnable(); |
| 269 | |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 270 | timings.NewSplit("dex2oat OatWriter"); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 271 | std::string image_file_location; |
| 272 | uint32_t image_file_location_oat_checksum = 0; |
| 273 | uint32_t image_file_location_oat_data_begin = 0; |
| 274 | if (!driver->IsImage()) { |
| 275 | gc::space::ImageSpace* image_space = Runtime::Current()->GetHeap()->GetImageSpace(); |
| 276 | image_file_location_oat_checksum = image_space->GetImageHeader().GetOatChecksum(); |
| 277 | image_file_location_oat_data_begin = |
| 278 | reinterpret_cast<uint32_t>(image_space->GetImageHeader().GetOatDataBegin()); |
| 279 | image_file_location = image_space->GetImageFilename(); |
| 280 | if (host_prefix != NULL && StartsWith(image_file_location, host_prefix->c_str())) { |
| 281 | image_file_location = image_file_location.substr(host_prefix->size()); |
| 282 | } |
| 283 | } |
| 284 | |
Brian Carlstrom | c50d8e1 | 2013-07-23 22:35:16 -0700 | [diff] [blame] | 285 | OatWriter oat_writer(dex_files, |
| 286 | image_file_location_oat_checksum, |
| 287 | image_file_location_oat_data_begin, |
| 288 | image_file_location, |
| 289 | driver.get()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 290 | |
Brian Carlstrom | c50d8e1 | 2013-07-23 22:35:16 -0700 | [diff] [blame] | 291 | if (!driver->WriteElf(android_root, is_host, dex_files, oat_writer, oat_file)) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 292 | LOG(ERROR) << "Failed to write ELF file " << oat_file->GetPath(); |
| 293 | return NULL; |
| 294 | } |
| 295 | |
| 296 | return driver.release(); |
| 297 | } |
| 298 | |
| 299 | bool CreateImageFile(const std::string& image_filename, |
| 300 | uintptr_t image_base, |
| 301 | const std::string& oat_filename, |
| 302 | const std::string& oat_location, |
| 303 | const CompilerDriver& compiler) |
| 304 | LOCKS_EXCLUDED(Locks::mutator_lock_) { |
| 305 | uintptr_t oat_data_begin; |
| 306 | { |
| 307 | // ImageWriter is scoped so it can free memory before doing FixupElf |
| 308 | ImageWriter image_writer(compiler); |
| 309 | if (!image_writer.Write(image_filename, image_base, oat_filename, oat_location)) { |
| 310 | LOG(ERROR) << "Failed to create image file " << image_filename; |
| 311 | return false; |
| 312 | } |
| 313 | oat_data_begin = image_writer.GetOatDataBegin(); |
| 314 | } |
| 315 | |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 316 | UniquePtr<File> oat_file(OS::OpenFileReadWrite(oat_filename.c_str())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 317 | if (oat_file.get() == NULL) { |
| 318 | PLOG(ERROR) << "Failed to open ELF file: " << oat_filename; |
| 319 | return false; |
| 320 | } |
| 321 | if (!ElfFixup::Fixup(oat_file.get(), oat_data_begin)) { |
| 322 | LOG(ERROR) << "Failed to fixup ELF file " << oat_file->GetPath(); |
| 323 | return false; |
| 324 | } |
| 325 | return true; |
| 326 | } |
| 327 | |
| 328 | private: |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 329 | explicit Dex2Oat(Runtime* runtime, |
| 330 | CompilerBackend compiler_backend, |
| 331 | InstructionSet instruction_set, |
Brian Carlstrom | 0177fe2 | 2013-07-21 12:21:36 -0700 | [diff] [blame] | 332 | size_t thread_count) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 333 | : compiler_backend_(compiler_backend), |
| 334 | instruction_set_(instruction_set), |
| 335 | runtime_(runtime), |
| 336 | thread_count_(thread_count), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 337 | start_ns_(NanoTime()) { |
| 338 | } |
| 339 | |
| 340 | static bool CreateRuntime(Runtime::Options& options, InstructionSet instruction_set) |
| 341 | SHARED_TRYLOCK_FUNCTION(true, Locks::mutator_lock_) { |
| 342 | if (!Runtime::Create(options, false)) { |
| 343 | LOG(ERROR) << "Failed to create runtime"; |
| 344 | return false; |
| 345 | } |
| 346 | Runtime* runtime = Runtime::Current(); |
| 347 | // if we loaded an existing image, we will reuse values from the image roots. |
| 348 | if (!runtime->HasResolutionMethod()) { |
| 349 | runtime->SetResolutionMethod(runtime->CreateResolutionMethod()); |
| 350 | } |
| 351 | for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { |
| 352 | Runtime::CalleeSaveType type = Runtime::CalleeSaveType(i); |
| 353 | if (!runtime->HasCalleeSaveMethod(type)) { |
| 354 | runtime->SetCalleeSaveMethod(runtime->CreateCalleeSaveMethod(instruction_set, type), type); |
| 355 | } |
| 356 | } |
| 357 | runtime->GetClassLinker()->FixupDexCaches(runtime->GetResolutionMethod()); |
| 358 | return true; |
| 359 | } |
| 360 | |
| 361 | // Appends to dex_files any elements of class_path that it doesn't already |
| 362 | // contain. This will open those dex files as necessary. |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 363 | static void OpenClassPathFiles(const std::string& class_path, |
| 364 | std::vector<const DexFile*>& dex_files) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 365 | std::vector<std::string> parsed; |
| 366 | Split(class_path, ':', parsed); |
| 367 | // Take Locks::mutator_lock_ so that lock ordering on the ClassLinker::dex_lock_ is maintained. |
| 368 | ScopedObjectAccess soa(Thread::Current()); |
| 369 | for (size_t i = 0; i < parsed.size(); ++i) { |
| 370 | if (DexFilesContains(dex_files, parsed[i])) { |
| 371 | continue; |
| 372 | } |
| 373 | const DexFile* dex_file = DexFile::Open(parsed[i], parsed[i]); |
| 374 | if (dex_file == NULL) { |
| 375 | LOG(WARNING) << "Failed to open dex file " << parsed[i]; |
| 376 | } else { |
| 377 | dex_files.push_back(dex_file); |
| 378 | } |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | // Returns true if dex_files has a dex with the named location. |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 383 | static bool DexFilesContains(const std::vector<const DexFile*>& dex_files, |
| 384 | const std::string& location) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 385 | for (size_t i = 0; i < dex_files.size(); ++i) { |
| 386 | if (dex_files[i]->GetLocation() == location) { |
| 387 | return true; |
| 388 | } |
| 389 | } |
| 390 | return false; |
| 391 | } |
| 392 | |
| 393 | const CompilerBackend compiler_backend_; |
| 394 | |
| 395 | const InstructionSet instruction_set_; |
| 396 | |
| 397 | Runtime* runtime_; |
| 398 | size_t thread_count_; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 399 | uint64_t start_ns_; |
| 400 | |
| 401 | DISALLOW_IMPLICIT_CONSTRUCTORS(Dex2Oat); |
| 402 | }; |
| 403 | |
| 404 | static bool ParseInt(const char* in, int* out) { |
| 405 | char* end; |
| 406 | int result = strtol(in, &end, 10); |
| 407 | if (in == end || *end != '\0') { |
| 408 | return false; |
| 409 | } |
| 410 | *out = result; |
| 411 | return true; |
| 412 | } |
| 413 | |
| 414 | static size_t OpenDexFiles(const std::vector<const char*>& dex_filenames, |
| 415 | const std::vector<const char*>& dex_locations, |
| 416 | std::vector<const DexFile*>& dex_files) { |
| 417 | size_t failure_count = 0; |
| 418 | for (size_t i = 0; i < dex_filenames.size(); i++) { |
| 419 | const char* dex_filename = dex_filenames[i]; |
| 420 | const char* dex_location = dex_locations[i]; |
| 421 | const DexFile* dex_file = DexFile::Open(dex_filename, dex_location); |
| 422 | if (dex_file == NULL) { |
| 423 | LOG(WARNING) << "Could not open .dex from file '" << dex_filename << "'\n"; |
| 424 | ++failure_count; |
| 425 | } else { |
| 426 | dex_files.push_back(dex_file); |
| 427 | } |
| 428 | } |
| 429 | return failure_count; |
| 430 | } |
| 431 | |
| 432 | // The primary goal of the watchdog is to prevent stuck build servers |
| 433 | // during development when fatal aborts lead to a cascade of failures |
| 434 | // that result in a deadlock. |
| 435 | class WatchDog { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 436 | // WatchDog defines its own CHECK_PTHREAD_CALL to avoid using Log which uses locks |
| 437 | #undef CHECK_PTHREAD_CALL |
| 438 | #define CHECK_WATCH_DOG_PTHREAD_CALL(call, args, what) \ |
| 439 | do { \ |
| 440 | int rc = call args; \ |
| 441 | if (rc != 0) { \ |
| 442 | errno = rc; \ |
| 443 | std::string message(# call); \ |
| 444 | message += " failed for "; \ |
| 445 | message += reason; \ |
| 446 | Fatal(message); \ |
| 447 | } \ |
| 448 | } while (false) |
| 449 | |
| 450 | public: |
Brian Carlstrom | 93ba893 | 2013-07-17 21:31:49 -0700 | [diff] [blame] | 451 | explicit WatchDog(bool is_watch_dog_enabled) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 452 | is_watch_dog_enabled_ = is_watch_dog_enabled; |
| 453 | if (!is_watch_dog_enabled_) { |
| 454 | return; |
| 455 | } |
| 456 | shutting_down_ = false; |
| 457 | const char* reason = "dex2oat watch dog thread startup"; |
| 458 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_init, (&mutex_, NULL), reason); |
| 459 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_init, (&cond_, NULL), reason); |
| 460 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_init, (&attr_), reason); |
| 461 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_create, (&pthread_, &attr_, &CallBack, this), reason); |
| 462 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_destroy, (&attr_), reason); |
| 463 | } |
| 464 | ~WatchDog() { |
| 465 | if (!is_watch_dog_enabled_) { |
| 466 | return; |
| 467 | } |
| 468 | const char* reason = "dex2oat watch dog thread shutdown"; |
| 469 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason); |
| 470 | shutting_down_ = true; |
| 471 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_signal, (&cond_), reason); |
| 472 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason); |
| 473 | |
| 474 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_join, (pthread_, NULL), reason); |
| 475 | |
| 476 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_destroy, (&cond_), reason); |
| 477 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_destroy, (&mutex_), reason); |
| 478 | } |
| 479 | |
| 480 | private: |
| 481 | static void* CallBack(void* arg) { |
| 482 | WatchDog* self = reinterpret_cast<WatchDog*>(arg); |
| 483 | ::art::SetThreadName("dex2oat watch dog"); |
| 484 | self->Wait(); |
| 485 | return NULL; |
| 486 | } |
| 487 | |
| 488 | static void Message(char severity, const std::string& message) { |
| 489 | // TODO: Remove when we switch to LOG when we can guarantee it won't prevent shutdown in error |
| 490 | // cases. |
| 491 | fprintf(stderr, "dex2oat%s %c %d %d %s\n", |
| 492 | kIsDebugBuild ? "d" : "", |
| 493 | severity, |
| 494 | getpid(), |
| 495 | GetTid(), |
| 496 | message.c_str()); |
| 497 | } |
| 498 | |
| 499 | static void Warn(const std::string& message) { |
| 500 | Message('W', message); |
| 501 | } |
| 502 | |
| 503 | static void Fatal(const std::string& message) { |
| 504 | Message('F', message); |
| 505 | exit(1); |
| 506 | } |
| 507 | |
| 508 | void Wait() { |
| 509 | bool warning = true; |
| 510 | CHECK_GT(kWatchDogTimeoutSeconds, kWatchDogWarningSeconds); |
| 511 | // TODO: tune the multiplier for GC verification, the following is just to make the timeout |
| 512 | // large. |
| 513 | int64_t multiplier = gc::kDesiredHeapVerification > gc::kVerifyAllFast ? 100 : 1; |
| 514 | timespec warning_ts; |
| 515 | InitTimeSpec(true, CLOCK_REALTIME, multiplier * kWatchDogWarningSeconds * 1000, 0, &warning_ts); |
| 516 | timespec timeout_ts; |
| 517 | InitTimeSpec(true, CLOCK_REALTIME, multiplier * kWatchDogTimeoutSeconds * 1000, 0, &timeout_ts); |
| 518 | const char* reason = "dex2oat watch dog thread waiting"; |
| 519 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason); |
| 520 | while (!shutting_down_) { |
| 521 | int rc = TEMP_FAILURE_RETRY(pthread_cond_timedwait(&cond_, &mutex_, |
| 522 | warning ? &warning_ts |
| 523 | : &timeout_ts)); |
| 524 | if (rc == ETIMEDOUT) { |
| 525 | std::string message(StringPrintf("dex2oat did not finish after %d seconds", |
| 526 | warning ? kWatchDogWarningSeconds |
| 527 | : kWatchDogTimeoutSeconds)); |
| 528 | if (warning) { |
| 529 | Warn(message.c_str()); |
| 530 | warning = false; |
| 531 | } else { |
| 532 | Fatal(message.c_str()); |
| 533 | } |
| 534 | } else if (rc != 0) { |
| 535 | std::string message(StringPrintf("pthread_cond_timedwait failed: %s", |
| 536 | strerror(errno))); |
| 537 | Fatal(message.c_str()); |
| 538 | } |
| 539 | } |
| 540 | CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason); |
| 541 | } |
| 542 | |
| 543 | // When setting timeouts, keep in mind that the build server may not be as fast as your desktop. |
| 544 | #if ART_USE_PORTABLE_COMPILER |
| 545 | static const unsigned int kWatchDogWarningSeconds = 2 * 60; // 2 minutes. |
| 546 | static const unsigned int kWatchDogTimeoutSeconds = 30 * 60; // 25 minutes + buffer. |
| 547 | #else |
| 548 | static const unsigned int kWatchDogWarningSeconds = 1 * 60; // 1 minute. |
| 549 | static const unsigned int kWatchDogTimeoutSeconds = 6 * 60; // 5 minutes + buffer. |
| 550 | #endif |
| 551 | |
| 552 | bool is_watch_dog_enabled_; |
| 553 | bool shutting_down_; |
| 554 | // TODO: Switch to Mutex when we can guarantee it won't prevent shutdown in error cases. |
| 555 | pthread_mutex_t mutex_; |
| 556 | pthread_cond_t cond_; |
| 557 | pthread_attr_t attr_; |
| 558 | pthread_t pthread_; |
| 559 | }; |
| 560 | const unsigned int WatchDog::kWatchDogWarningSeconds; |
| 561 | const unsigned int WatchDog::kWatchDogTimeoutSeconds; |
| 562 | |
| 563 | static int dex2oat(int argc, char** argv) { |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 564 | base::TimingLogger timings("compiler", false, false); |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 565 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 566 | InitLogging(argv); |
| 567 | |
| 568 | // Skip over argv[0]. |
| 569 | argv++; |
| 570 | argc--; |
| 571 | |
| 572 | if (argc == 0) { |
| 573 | Usage("no arguments specified"); |
| 574 | } |
| 575 | |
| 576 | std::vector<const char*> dex_filenames; |
| 577 | std::vector<const char*> dex_locations; |
| 578 | int zip_fd = -1; |
| 579 | std::string zip_location; |
| 580 | std::string oat_filename; |
| 581 | std::string oat_symbols; |
| 582 | std::string oat_location; |
| 583 | int oat_fd = -1; |
| 584 | std::string bitcode_filename; |
| 585 | const char* image_classes_zip_filename = NULL; |
| 586 | const char* image_classes_filename = NULL; |
| 587 | std::string image_filename; |
| 588 | std::string boot_image_filename; |
| 589 | uintptr_t image_base = 0; |
| 590 | UniquePtr<std::string> host_prefix; |
| 591 | std::string android_root; |
| 592 | std::vector<const char*> runtime_args; |
| 593 | int thread_count = sysconf(_SC_NPROCESSORS_CONF); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 594 | #if defined(ART_USE_PORTABLE_COMPILER) |
| 595 | CompilerBackend compiler_backend = kPortable; |
| 596 | #else |
| 597 | CompilerBackend compiler_backend = kQuick; |
| 598 | #endif |
| 599 | #if defined(__arm__) |
| 600 | InstructionSet instruction_set = kThumb2; |
| 601 | #elif defined(__i386__) |
| 602 | InstructionSet instruction_set = kX86; |
| 603 | #elif defined(__mips__) |
| 604 | InstructionSet instruction_set = kMips; |
| 605 | #else |
| 606 | #error "Unsupported architecture" |
| 607 | #endif |
| 608 | bool is_host = false; |
| 609 | bool dump_stats = kIsDebugBuild; |
| 610 | bool dump_timings = kIsDebugBuild; |
| 611 | bool watch_dog_enabled = !kIsTargetBuild; |
| 612 | |
| 613 | |
| 614 | for (int i = 0; i < argc; i++) { |
| 615 | const StringPiece option(argv[i]); |
| 616 | bool log_options = false; |
| 617 | if (log_options) { |
| 618 | LOG(INFO) << "dex2oat: option[" << i << "]=" << argv[i]; |
| 619 | } |
| 620 | if (option.starts_with("--dex-file=")) { |
| 621 | dex_filenames.push_back(option.substr(strlen("--dex-file=")).data()); |
| 622 | } else if (option.starts_with("--dex-location=")) { |
| 623 | dex_locations.push_back(option.substr(strlen("--dex-location=")).data()); |
| 624 | } else if (option.starts_with("--zip-fd=")) { |
| 625 | const char* zip_fd_str = option.substr(strlen("--zip-fd=")).data(); |
| 626 | if (!ParseInt(zip_fd_str, &zip_fd)) { |
| 627 | Usage("could not parse --zip-fd argument '%s' as an integer", zip_fd_str); |
| 628 | } |
| 629 | } else if (option.starts_with("--zip-location=")) { |
| 630 | zip_location = option.substr(strlen("--zip-location=")).data(); |
| 631 | } else if (option.starts_with("--oat-file=")) { |
| 632 | oat_filename = option.substr(strlen("--oat-file=")).data(); |
| 633 | } else if (option.starts_with("--oat-symbols=")) { |
| 634 | oat_symbols = option.substr(strlen("--oat-symbols=")).data(); |
| 635 | } else if (option.starts_with("--oat-fd=")) { |
| 636 | const char* oat_fd_str = option.substr(strlen("--oat-fd=")).data(); |
| 637 | if (!ParseInt(oat_fd_str, &oat_fd)) { |
| 638 | Usage("could not parse --oat-fd argument '%s' as an integer", oat_fd_str); |
| 639 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 640 | } else if (option == "--watch-dog") { |
| 641 | watch_dog_enabled = true; |
| 642 | } else if (option == "--no-watch-dog") { |
| 643 | watch_dog_enabled = false; |
| 644 | } else if (option.starts_with("-j")) { |
| 645 | const char* thread_count_str = option.substr(strlen("-j")).data(); |
| 646 | if (!ParseInt(thread_count_str, &thread_count)) { |
| 647 | Usage("could not parse -j argument '%s' as an integer", thread_count_str); |
| 648 | } |
| 649 | } else if (option.starts_with("--oat-location=")) { |
| 650 | oat_location = option.substr(strlen("--oat-location=")).data(); |
| 651 | } else if (option.starts_with("--bitcode=")) { |
| 652 | bitcode_filename = option.substr(strlen("--bitcode=")).data(); |
| 653 | } else if (option.starts_with("--image=")) { |
| 654 | image_filename = option.substr(strlen("--image=")).data(); |
| 655 | } else if (option.starts_with("--image-classes=")) { |
| 656 | image_classes_filename = option.substr(strlen("--image-classes=")).data(); |
| 657 | } else if (option.starts_with("--image-classes-zip=")) { |
| 658 | image_classes_zip_filename = option.substr(strlen("--image-classes-zip=")).data(); |
| 659 | } else if (option.starts_with("--base=")) { |
| 660 | const char* image_base_str = option.substr(strlen("--base=")).data(); |
| 661 | char* end; |
| 662 | image_base = strtoul(image_base_str, &end, 16); |
| 663 | if (end == image_base_str || *end != '\0') { |
| 664 | Usage("Failed to parse hexadecimal value for option %s", option.data()); |
| 665 | } |
| 666 | } else if (option.starts_with("--boot-image=")) { |
| 667 | boot_image_filename = option.substr(strlen("--boot-image=")).data(); |
| 668 | } else if (option.starts_with("--host-prefix=")) { |
| 669 | host_prefix.reset(new std::string(option.substr(strlen("--host-prefix=")).data())); |
| 670 | } else if (option.starts_with("--android-root=")) { |
| 671 | android_root = option.substr(strlen("--android-root=")).data(); |
| 672 | } else if (option.starts_with("--instruction-set=")) { |
| 673 | StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); |
| 674 | if (instruction_set_str == "arm") { |
| 675 | instruction_set = kThumb2; |
| 676 | } else if (instruction_set_str == "mips") { |
| 677 | instruction_set = kMips; |
| 678 | } else if (instruction_set_str == "x86") { |
| 679 | instruction_set = kX86; |
| 680 | } |
| 681 | } else if (option.starts_with("--compiler-backend=")) { |
| 682 | StringPiece backend_str = option.substr(strlen("--compiler-backend=")).data(); |
| 683 | if (backend_str == "Quick") { |
| 684 | compiler_backend = kQuick; |
| 685 | } else if (backend_str == "Portable") { |
| 686 | compiler_backend = kPortable; |
| 687 | } |
| 688 | } else if (option == "--host") { |
| 689 | is_host = true; |
| 690 | } else if (option == "--runtime-arg") { |
| 691 | if (++i >= argc) { |
| 692 | Usage("Missing required argument for --runtime-arg"); |
| 693 | } |
| 694 | if (log_options) { |
| 695 | LOG(INFO) << "dex2oat: option[" << i << "]=" << argv[i]; |
| 696 | } |
| 697 | runtime_args.push_back(argv[i]); |
| 698 | } else { |
| 699 | Usage("unknown argument %s", option.data()); |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | if (oat_filename.empty() && oat_fd == -1) { |
| 704 | Usage("Output must be supplied with either --oat-file or --oat-fd"); |
| 705 | } |
| 706 | |
| 707 | if (!oat_filename.empty() && oat_fd != -1) { |
| 708 | Usage("--oat-file should not be used with --oat-fd"); |
| 709 | } |
| 710 | |
| 711 | if (!oat_symbols.empty() && oat_fd != -1) { |
| 712 | Usage("--oat-symbols should not be used with --oat-fd"); |
| 713 | } |
| 714 | |
| 715 | if (!oat_symbols.empty() && is_host) { |
| 716 | Usage("--oat-symbols should not be used with --host"); |
| 717 | } |
| 718 | |
| 719 | if (oat_fd != -1 && !image_filename.empty()) { |
| 720 | Usage("--oat-fd should not be used with --image"); |
| 721 | } |
| 722 | |
| 723 | if (host_prefix.get() == NULL) { |
| 724 | const char* android_product_out = getenv("ANDROID_PRODUCT_OUT"); |
| 725 | if (android_product_out != NULL) { |
| 726 | host_prefix.reset(new std::string(android_product_out)); |
| 727 | } |
| 728 | } |
| 729 | |
| 730 | if (android_root.empty()) { |
| 731 | const char* android_root_env_var = getenv("ANDROID_ROOT"); |
| 732 | if (android_root_env_var == NULL) { |
| 733 | Usage("--android-root unspecified and ANDROID_ROOT not set"); |
| 734 | } |
| 735 | android_root += android_root_env_var; |
| 736 | } |
| 737 | |
| 738 | bool image = (!image_filename.empty()); |
| 739 | if (!image && boot_image_filename.empty()) { |
| 740 | if (host_prefix.get() == NULL) { |
| 741 | boot_image_filename += GetAndroidRoot(); |
| 742 | } else { |
| 743 | boot_image_filename += *host_prefix.get(); |
| 744 | boot_image_filename += "/system"; |
| 745 | } |
| 746 | boot_image_filename += "/framework/boot.art"; |
| 747 | } |
| 748 | std::string boot_image_option; |
| 749 | if (!boot_image_filename.empty()) { |
| 750 | boot_image_option += "-Ximage:"; |
| 751 | boot_image_option += boot_image_filename; |
| 752 | } |
| 753 | |
| 754 | if (image_classes_filename != NULL && !image) { |
| 755 | Usage("--image-classes should only be used with --image"); |
| 756 | } |
| 757 | |
| 758 | if (image_classes_filename != NULL && !boot_image_option.empty()) { |
| 759 | Usage("--image-classes should not be used with --boot-image"); |
| 760 | } |
| 761 | |
| 762 | if (image_classes_zip_filename != NULL && image_classes_filename == NULL) { |
| 763 | Usage("--image-classes-zip should be used with --image-classes"); |
| 764 | } |
| 765 | |
| 766 | if (dex_filenames.empty() && zip_fd == -1) { |
| 767 | Usage("Input must be supplied with either --dex-file or --zip-fd"); |
| 768 | } |
| 769 | |
| 770 | if (!dex_filenames.empty() && zip_fd != -1) { |
| 771 | Usage("--dex-file should not be used with --zip-fd"); |
| 772 | } |
| 773 | |
| 774 | if (!dex_filenames.empty() && !zip_location.empty()) { |
| 775 | Usage("--dex-file should not be used with --zip-location"); |
| 776 | } |
| 777 | |
| 778 | if (dex_locations.empty()) { |
| 779 | for (size_t i = 0; i < dex_filenames.size(); i++) { |
| 780 | dex_locations.push_back(dex_filenames[i]); |
| 781 | } |
| 782 | } else if (dex_locations.size() != dex_filenames.size()) { |
| 783 | Usage("--dex-location arguments do not match --dex-file arguments"); |
| 784 | } |
| 785 | |
| 786 | if (zip_fd != -1 && zip_location.empty()) { |
| 787 | Usage("--zip-location should be supplied with --zip-fd"); |
| 788 | } |
| 789 | |
| 790 | if (boot_image_option.empty()) { |
| 791 | if (image_base == 0) { |
| 792 | Usage("non-zero --base not specified"); |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | std::string oat_stripped(oat_filename); |
| 797 | std::string oat_unstripped; |
| 798 | if (!oat_symbols.empty()) { |
| 799 | oat_unstripped += oat_symbols; |
| 800 | } else { |
| 801 | oat_unstripped += oat_filename; |
| 802 | } |
| 803 | |
| 804 | // Done with usage checks, enable watchdog if requested |
| 805 | WatchDog watch_dog(watch_dog_enabled); |
| 806 | |
| 807 | // Check early that the result of compilation can be written |
| 808 | UniquePtr<File> oat_file; |
| 809 | bool create_file = !oat_unstripped.empty(); // as opposed to using open file descriptor |
| 810 | if (create_file) { |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 811 | oat_file.reset(OS::CreateEmptyFile(oat_unstripped.c_str())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 812 | if (oat_location.empty()) { |
| 813 | oat_location = oat_filename; |
| 814 | } |
| 815 | } else { |
| 816 | oat_file.reset(new File(oat_fd, oat_location)); |
| 817 | oat_file->DisableAutoClose(); |
| 818 | } |
| 819 | if (oat_file.get() == NULL) { |
| 820 | PLOG(ERROR) << "Failed to create oat file: " << oat_location; |
| 821 | return EXIT_FAILURE; |
| 822 | } |
| 823 | if (create_file && fchmod(oat_file->Fd(), 0644) != 0) { |
| 824 | PLOG(ERROR) << "Failed to make oat file world readable: " << oat_location; |
| 825 | return EXIT_FAILURE; |
| 826 | } |
| 827 | |
| 828 | LOG(INFO) << "dex2oat: " << oat_location; |
| 829 | |
| 830 | Runtime::Options options; |
| 831 | options.push_back(std::make_pair("compiler", reinterpret_cast<void*>(NULL))); |
| 832 | std::vector<const DexFile*> boot_class_path; |
| 833 | if (boot_image_option.empty()) { |
| 834 | size_t failure_count = OpenDexFiles(dex_filenames, dex_locations, boot_class_path); |
| 835 | if (failure_count > 0) { |
| 836 | LOG(ERROR) << "Failed to open some dex files: " << failure_count; |
| 837 | return EXIT_FAILURE; |
| 838 | } |
| 839 | options.push_back(std::make_pair("bootclasspath", &boot_class_path)); |
| 840 | } else { |
| 841 | options.push_back(std::make_pair(boot_image_option.c_str(), reinterpret_cast<void*>(NULL))); |
| 842 | } |
| 843 | if (host_prefix.get() != NULL) { |
| 844 | options.push_back(std::make_pair("host-prefix", host_prefix->c_str())); |
| 845 | } |
| 846 | for (size_t i = 0; i < runtime_args.size(); i++) { |
| 847 | options.push_back(std::make_pair(runtime_args[i], reinterpret_cast<void*>(NULL))); |
| 848 | } |
| 849 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 850 | #ifdef ART_SEA_IR_MODE |
| 851 | options.push_back(std::make_pair("-sea_ir", reinterpret_cast<void*>(NULL))); |
| 852 | #endif |
| 853 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 854 | Dex2Oat* p_dex2oat; |
Brian Carlstrom | 0177fe2 | 2013-07-21 12:21:36 -0700 | [diff] [blame] | 855 | if (!Dex2Oat::Create(&p_dex2oat, options, compiler_backend, instruction_set, thread_count)) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 856 | LOG(ERROR) << "Failed to create dex2oat"; |
| 857 | return EXIT_FAILURE; |
| 858 | } |
| 859 | UniquePtr<Dex2Oat> dex2oat(p_dex2oat); |
| 860 | // Runtime::Create acquired the mutator_lock_ that is normally given away when we Runtime::Start, |
| 861 | // give it away now and then switch to a more managable ScopedObjectAccess. |
| 862 | Thread::Current()->TransitionFromRunnableToSuspended(kNative); |
Ian Rogers | 0f40ac3 | 2013-08-13 22:10:30 -0700 | [diff] [blame] | 863 | // If we're doing the image, override the compiler filter to force full compilation. Must be |
| 864 | // done ahead of WellKnownClasses::Init that causes verification. |
| 865 | if (image && Runtime::Current()->GetCompilerFilter() == Runtime::kInterpretOnly) { |
| 866 | Runtime::Current()->SetCompilerFilter(Runtime::kSpeed); |
| 867 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 868 | // Whilst we're in native take the opportunity to initialize well known classes. |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 869 | WellKnownClasses::Init(Thread::Current()->GetJniEnv()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 870 | ScopedObjectAccess soa(Thread::Current()); |
| 871 | |
| 872 | // If --image-classes was specified, calculate the full list of classes to include in the image |
| 873 | UniquePtr<CompilerDriver::DescriptorSet> image_classes(NULL); |
| 874 | if (image_classes_filename != NULL) { |
| 875 | if (image_classes_zip_filename != NULL) { |
| 876 | image_classes.reset(dex2oat->ReadImageClassesFromZip(image_classes_zip_filename, |
| 877 | image_classes_filename)); |
| 878 | } else { |
| 879 | image_classes.reset(dex2oat->ReadImageClassesFromFile(image_classes_filename)); |
| 880 | } |
| 881 | if (image_classes.get() == NULL) { |
| 882 | LOG(ERROR) << "Failed to create list of image classes from " << image_classes_filename; |
| 883 | return EXIT_FAILURE; |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | std::vector<const DexFile*> dex_files; |
| 888 | if (boot_image_option.empty()) { |
| 889 | dex_files = Runtime::Current()->GetClassLinker()->GetBootClassPath(); |
| 890 | } else { |
| 891 | if (dex_filenames.empty()) { |
| 892 | UniquePtr<ZipArchive> zip_archive(ZipArchive::OpenFromFd(zip_fd)); |
| 893 | if (zip_archive.get() == NULL) { |
| 894 | LOG(ERROR) << "Failed to open zip from file descriptor for " << zip_location; |
| 895 | return EXIT_FAILURE; |
| 896 | } |
| 897 | const DexFile* dex_file = DexFile::Open(*zip_archive.get(), zip_location); |
| 898 | if (dex_file == NULL) { |
| 899 | LOG(ERROR) << "Failed to open dex from file descriptor for zip file: " << zip_location; |
| 900 | return EXIT_FAILURE; |
| 901 | } |
| 902 | dex_files.push_back(dex_file); |
| 903 | } else { |
| 904 | size_t failure_count = OpenDexFiles(dex_filenames, dex_locations, dex_files); |
| 905 | if (failure_count > 0) { |
| 906 | LOG(ERROR) << "Failed to open some dex files: " << failure_count; |
| 907 | return EXIT_FAILURE; |
| 908 | } |
| 909 | } |
| 910 | } |
| 911 | |
buzbee | a024a06 | 2013-07-31 10:47:37 -0700 | [diff] [blame] | 912 | /* |
| 913 | * If we're not in interpret-only mode, go ahead and compile small applications. Don't |
| 914 | * bother to check if we're doing the image. |
| 915 | */ |
| 916 | if (!image && (Runtime::Current()->GetCompilerFilter() != Runtime::kInterpretOnly)) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 917 | size_t num_methods = 0; |
| 918 | for (size_t i = 0; i != dex_files.size(); ++i) { |
| 919 | const DexFile* dex_file = dex_files[i]; |
| 920 | CHECK(dex_file != NULL); |
| 921 | num_methods += dex_file->NumMethodIds(); |
| 922 | } |
buzbee | a024a06 | 2013-07-31 10:47:37 -0700 | [diff] [blame] | 923 | if (num_methods <= Runtime::Current()->GetNumDexMethodsThreshold()) { |
| 924 | Runtime::Current()->SetCompilerFilter(Runtime::kSpeed); |
Anwar Ghuloum | 75a43f1 | 2013-08-13 17:22:14 -0700 | [diff] [blame] | 925 | VLOG(compiler) << "Below method threshold, compiling anyways"; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 926 | } |
| 927 | } |
| 928 | |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 929 | timings.StartSplit("dex2oat Setup"); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 930 | UniquePtr<const CompilerDriver> compiler(dex2oat->CreateOatFile(boot_image_option, |
| 931 | host_prefix.get(), |
| 932 | android_root, |
| 933 | is_host, |
| 934 | dex_files, |
| 935 | oat_file.get(), |
| 936 | bitcode_filename, |
| 937 | image, |
| 938 | image_classes, |
| 939 | dump_stats, |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 940 | timings)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 941 | |
| 942 | if (compiler.get() == NULL) { |
| 943 | LOG(ERROR) << "Failed to create oat file: " << oat_location; |
| 944 | return EXIT_FAILURE; |
| 945 | } |
| 946 | |
Anwar Ghuloum | 75a43f1 | 2013-08-13 17:22:14 -0700 | [diff] [blame] | 947 | VLOG(compiler) << "Oat file written successfully (unstripped): " << oat_location; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 948 | |
| 949 | // Notes on the interleaving of creating the image and oat file to |
| 950 | // ensure the references between the two are correct. |
| 951 | // |
| 952 | // Currently we have a memory layout that looks something like this: |
| 953 | // |
| 954 | // +--------------+ |
| 955 | // | image | |
| 956 | // +--------------+ |
| 957 | // | boot oat | |
| 958 | // +--------------+ |
| 959 | // | alloc spaces | |
| 960 | // +--------------+ |
| 961 | // |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 962 | // There are several constraints on the loading of the image and boot.oat. |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 963 | // |
| 964 | // 1. The image is expected to be loaded at an absolute address and |
| 965 | // contains Objects with absolute pointers within the image. |
| 966 | // |
| 967 | // 2. There are absolute pointers from Methods in the image to their |
| 968 | // code in the oat. |
| 969 | // |
| 970 | // 3. There are absolute pointers from the code in the oat to Methods |
| 971 | // in the image. |
| 972 | // |
| 973 | // 4. There are absolute pointers from code in the oat to other code |
| 974 | // in the oat. |
| 975 | // |
| 976 | // To get this all correct, we go through several steps. |
| 977 | // |
| 978 | // 1. We have already created that oat file above with |
| 979 | // CreateOatFile. Originally this was just our own proprietary file |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 980 | // but now it is contained within an ELF dynamic object (aka an .so |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 981 | // file). The Compiler returned by CreateOatFile provides |
| 982 | // PatchInformation for references to oat code and Methods that need |
| 983 | // to be update once we know where the oat file will be located |
| 984 | // after the image. |
| 985 | // |
| 986 | // 2. We create the image file. It needs to know where the oat file |
| 987 | // will be loaded after itself. Originally when oat file was simply |
| 988 | // memory mapped so we could predict where its contents were based |
| 989 | // on the file size. Now that it is an ELF file, we need to inspect |
| 990 | // the ELF file to understand the in memory segment layout including |
| 991 | // where the oat header is located within. ImageWriter's |
| 992 | // PatchOatCodeAndMethods uses the PatchInformation from the |
| 993 | // Compiler to touch up absolute references in the oat file. |
| 994 | // |
| 995 | // 3. We fixup the ELF program headers so that dlopen will try to |
| 996 | // load the .so at the desired location at runtime by offsetting the |
| 997 | // Elf32_Phdr.p_vaddr values by the desired base address. |
| 998 | // |
| 999 | if (image) { |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 1000 | timings.NewSplit("dex2oat ImageWriter"); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1001 | Thread::Current()->TransitionFromRunnableToSuspended(kNative); |
| 1002 | bool image_creation_success = dex2oat->CreateImageFile(image_filename, |
| 1003 | image_base, |
| 1004 | oat_unstripped, |
| 1005 | oat_location, |
| 1006 | *compiler.get()); |
| 1007 | Thread::Current()->TransitionFromSuspendedToRunnable(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1008 | if (!image_creation_success) { |
| 1009 | return EXIT_FAILURE; |
| 1010 | } |
Anwar Ghuloum | 75a43f1 | 2013-08-13 17:22:14 -0700 | [diff] [blame] | 1011 | VLOG(compiler) << "Image written successfully: " << image_filename; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1012 | } |
| 1013 | |
| 1014 | if (is_host) { |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 1015 | if (dump_timings && timings.GetTotalNs() > MsToNs(1000)) { |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 1016 | LOG(INFO) << Dumpable<base::TimingLogger>(timings); |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 1017 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1018 | return EXIT_SUCCESS; |
| 1019 | } |
| 1020 | |
| 1021 | // If we don't want to strip in place, copy from unstripped location to stripped location. |
| 1022 | // We need to strip after image creation because FixupElf needs to use .strtab. |
| 1023 | if (oat_unstripped != oat_stripped) { |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 1024 | timings.NewSplit("dex2oat OatFile copy"); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1025 | oat_file.reset(); |
Brian Carlstrom | 7571e8b | 2013-08-12 17:04:14 -0700 | [diff] [blame] | 1026 | UniquePtr<File> in(OS::OpenFileForReading(oat_unstripped.c_str())); |
| 1027 | UniquePtr<File> out(OS::CreateEmptyFile(oat_stripped.c_str())); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1028 | size_t buffer_size = 8192; |
| 1029 | UniquePtr<uint8_t> buffer(new uint8_t[buffer_size]); |
| 1030 | while (true) { |
| 1031 | int bytes_read = TEMP_FAILURE_RETRY(read(in->Fd(), buffer.get(), buffer_size)); |
| 1032 | if (bytes_read <= 0) { |
| 1033 | break; |
| 1034 | } |
| 1035 | bool write_ok = out->WriteFully(buffer.get(), bytes_read); |
| 1036 | CHECK(write_ok); |
| 1037 | } |
| 1038 | oat_file.reset(out.release()); |
Anwar Ghuloum | 75a43f1 | 2013-08-13 17:22:14 -0700 | [diff] [blame] | 1039 | VLOG(compiler) << "Oat file copied successfully (stripped): " << oat_stripped; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1040 | } |
| 1041 | |
Brian Carlstrom | 7fcba11 | 2013-07-22 10:28:48 -0700 | [diff] [blame] | 1042 | #if ART_USE_PORTABLE_COMPILER // We currently only generate symbols on Portable |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 1043 | timings.NewSplit("dex2oat ElfStripper"); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1044 | // Strip unneeded sections for target |
| 1045 | off_t seek_actual = lseek(oat_file->Fd(), 0, SEEK_SET); |
| 1046 | CHECK_EQ(0, seek_actual); |
| 1047 | ElfStripper::Strip(oat_file.get()); |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 1048 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1049 | |
| 1050 | // We wrote the oat file successfully, and want to keep it. |
Anwar Ghuloum | 75a43f1 | 2013-08-13 17:22:14 -0700 | [diff] [blame] | 1051 | VLOG(compiler) << "Oat file written successfully (stripped): " << oat_location; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1052 | #endif // ART_USE_PORTABLE_COMPILER |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 1053 | |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 1054 | timings.EndSplit(); |
| 1055 | |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 1056 | if (dump_timings && timings.GetTotalNs() > MsToNs(1000)) { |
Anwar Ghuloum | 6f28d91 | 2013-07-24 15:02:53 -0700 | [diff] [blame] | 1057 | LOG(INFO) << Dumpable<base::TimingLogger>(timings); |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 1058 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1059 | return EXIT_SUCCESS; |
| 1060 | } |
| 1061 | |
Brian Carlstrom | 4560248 | 2013-07-21 22:07:55 -0700 | [diff] [blame] | 1062 | |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1063 | } // namespace art |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1064 | |
| 1065 | int main(int argc, char** argv) { |
| 1066 | return art::dex2oat(argc, argv); |
| 1067 | } |