| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include <inttypes.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <sys/stat.h> |
| #include "base/memory_tool.h" |
| |
| #include <fstream> |
| #include <iostream> |
| #include <sstream> |
| #include <string> |
| #include <unordered_set> |
| #include <vector> |
| |
| #if defined(__linux__) && defined(__arm__) |
| #include <sys/personality.h> |
| #include <sys/utsname.h> |
| #endif |
| |
| #define ATRACE_TAG ATRACE_TAG_DALVIK |
| #include <cutils/trace.h> |
| |
| #include "art_method-inl.h" |
| #include "arch/instruction_set_features.h" |
| #include "arch/mips/instruction_set_features_mips.h" |
| #include "base/dumpable.h" |
| #include "base/macros.h" |
| #include "base/stl_util.h" |
| #include "base/stringpiece.h" |
| #include "base/time_utils.h" |
| #include "base/timing_logger.h" |
| #include "base/unix_file/fd_file.h" |
| #include "class_linker.h" |
| #include "compiler.h" |
| #include "compiler_callbacks.h" |
| #include "dex_file-inl.h" |
| #include "dex/pass_manager.h" |
| #include "dex/verification_results.h" |
| #include "dex/quick_compiler_callbacks.h" |
| #include "dex/quick/dex_file_to_method_inliner_map.h" |
| #include "driver/compiler_driver.h" |
| #include "driver/compiler_options.h" |
| #include "elf_file.h" |
| #include "elf_writer.h" |
| #include "gc/space/image_space.h" |
| #include "gc/space/space-inl.h" |
| #include "image_writer.h" |
| #include "interpreter/unstarted_runtime.h" |
| #include "leb128.h" |
| #include "mirror/class-inl.h" |
| #include "mirror/class_loader.h" |
| #include "mirror/object-inl.h" |
| #include "mirror/object_array-inl.h" |
| #include "oat_writer.h" |
| #include "os.h" |
| #include "runtime.h" |
| #include "ScopedLocalRef.h" |
| #include "scoped_thread_state_change.h" |
| #include "utils.h" |
| #include "vector_output_stream.h" |
| #include "well_known_classes.h" |
| #include "zip_archive.h" |
| |
| namespace art { |
| |
| static int original_argc; |
| static char** original_argv; |
| |
| static std::string CommandLine() { |
| std::vector<std::string> command; |
| for (int i = 0; i < original_argc; ++i) { |
| command.push_back(original_argv[i]); |
| } |
| return Join(command, ' '); |
| } |
| |
| // A stripped version. Remove some less essential parameters. If we see a "--zip-fd=" parameter, be |
| // even more aggressive. There won't be much reasonable data here for us in that case anyways (the |
| // locations are all staged). |
| static std::string StrippedCommandLine() { |
| std::vector<std::string> command; |
| |
| // Do a pre-pass to look for zip-fd. |
| bool saw_zip_fd = false; |
| for (int i = 0; i < original_argc; ++i) { |
| if (StartsWith(original_argv[i], "--zip-fd=")) { |
| saw_zip_fd = true; |
| break; |
| } |
| } |
| |
| // Now filter out things. |
| for (int i = 0; i < original_argc; ++i) { |
| // All runtime-arg parameters are dropped. |
| if (strcmp(original_argv[i], "--runtime-arg") == 0) { |
| i++; // Drop the next part, too. |
| continue; |
| } |
| |
| // Any instruction-setXXX is dropped. |
| if (StartsWith(original_argv[i], "--instruction-set")) { |
| continue; |
| } |
| |
| // The boot image is dropped. |
| if (StartsWith(original_argv[i], "--boot-image=")) { |
| continue; |
| } |
| |
| // This should leave any dex-file and oat-file options, describing what we compiled. |
| |
| // However, we prefer to drop this when we saw --zip-fd. |
| if (saw_zip_fd) { |
| // Drop anything --zip-X, --dex-X, --oat-X, --swap-X. |
| if (StartsWith(original_argv[i], "--zip-") || |
| StartsWith(original_argv[i], "--dex-") || |
| StartsWith(original_argv[i], "--oat-") || |
| StartsWith(original_argv[i], "--swap-")) { |
| continue; |
| } |
| } |
| |
| command.push_back(original_argv[i]); |
| } |
| |
| // Construct the final output. |
| if (command.size() <= 1U) { |
| // It seems only "/system/bin/dex2oat" is left, or not even that. Use a pretty line. |
| return "Starting dex2oat."; |
| } |
| return Join(command, ' '); |
| } |
| |
| static void UsageErrorV(const char* fmt, va_list ap) { |
| std::string error; |
| StringAppendV(&error, fmt, ap); |
| LOG(ERROR) << error; |
| } |
| |
| static void UsageError(const char* fmt, ...) { |
| va_list ap; |
| va_start(ap, fmt); |
| UsageErrorV(fmt, ap); |
| va_end(ap); |
| } |
| |
| NO_RETURN static void Usage(const char* fmt, ...) { |
| va_list ap; |
| va_start(ap, fmt); |
| UsageErrorV(fmt, ap); |
| va_end(ap); |
| |
| UsageError("Command: %s", CommandLine().c_str()); |
| |
| UsageError("Usage: dex2oat [options]..."); |
| UsageError(""); |
| UsageError(" -j<number>: specifies the number of threads used for compilation."); |
| UsageError(" Default is the number of detected hardware threads available on the"); |
| UsageError(" host system."); |
| UsageError(" Example: -j12"); |
| UsageError(""); |
| UsageError(" --dex-file=<dex-file>: specifies a .dex, .jar, or .apk file to compile."); |
| UsageError(" Example: --dex-file=/system/framework/core.jar"); |
| UsageError(""); |
| UsageError(" --dex-location=<dex-location>: specifies an alternative dex location to"); |
| UsageError(" encode in the oat file for the corresponding --dex-file argument."); |
| UsageError(" Example: --dex-file=/home/build/out/system/framework/core.jar"); |
| UsageError(" --dex-location=/system/framework/core.jar"); |
| UsageError(""); |
| UsageError(" --zip-fd=<file-descriptor>: specifies a file descriptor of a zip file"); |
| UsageError(" containing a classes.dex file to compile."); |
| UsageError(" Example: --zip-fd=5"); |
| UsageError(""); |
| UsageError(" --zip-location=<zip-location>: specifies a symbolic name for the file"); |
| UsageError(" corresponding to the file descriptor specified by --zip-fd."); |
| UsageError(" Example: --zip-location=/system/app/Calculator.apk"); |
| UsageError(""); |
| UsageError(" --oat-file=<file.oat>: specifies the oat output destination via a filename."); |
| UsageError(" Example: --oat-file=/system/framework/boot.oat"); |
| UsageError(""); |
| UsageError(" --oat-fd=<number>: specifies the oat output destination via a file descriptor."); |
| UsageError(" Example: --oat-fd=6"); |
| UsageError(""); |
| UsageError(" --oat-location=<oat-name>: specifies a symbolic name for the file corresponding"); |
| UsageError(" to the file descriptor specified by --oat-fd."); |
| UsageError(" Example: --oat-location=/data/dalvik-cache/system@app@Calculator.apk.oat"); |
| UsageError(""); |
| UsageError(" --oat-symbols=<file.oat>: specifies the oat output destination with full symbols."); |
| UsageError(" Example: --oat-symbols=/symbols/system/framework/boot.oat"); |
| UsageError(""); |
| UsageError(" --image=<file.art>: specifies the output image filename."); |
| UsageError(" Example: --image=/system/framework/boot.art"); |
| UsageError(""); |
| UsageError(" --image-classes=<classname-file>: specifies classes to include in an image."); |
| UsageError(" Example: --image=frameworks/base/preloaded-classes"); |
| UsageError(""); |
| UsageError(" --base=<hex-address>: specifies the base address when creating a boot image."); |
| UsageError(" Example: --base=0x50000000"); |
| UsageError(""); |
| UsageError(" --boot-image=<file.art>: provide the image file for the boot class path."); |
| UsageError(" Example: --boot-image=/system/framework/boot.art"); |
| UsageError(" Default: $ANDROID_ROOT/system/framework/boot.art"); |
| UsageError(""); |
| UsageError(" --android-root=<path>: used to locate libraries for portable linking."); |
| UsageError(" Example: --android-root=out/host/linux-x86"); |
| UsageError(" Default: $ANDROID_ROOT"); |
| UsageError(""); |
| UsageError(" --instruction-set=(arm|arm64|mips|mips64|x86|x86_64): compile for a particular"); |
| UsageError(" instruction set."); |
| UsageError(" Example: --instruction-set=x86"); |
| UsageError(" Default: arm"); |
| UsageError(""); |
| UsageError(" --instruction-set-features=...,: Specify instruction set features"); |
| UsageError(" Example: --instruction-set-features=div"); |
| UsageError(" Default: default"); |
| UsageError(""); |
| UsageError(" --compile-pic: Force indirect use of code, methods, and classes"); |
| UsageError(" Default: disabled"); |
| UsageError(""); |
| UsageError(" --compiler-backend=(Quick|Optimizing): select compiler backend"); |
| UsageError(" set."); |
| UsageError(" Example: --compiler-backend=Optimizing"); |
| if (kUseOptimizingCompiler) { |
| UsageError(" Default: Optimizing"); |
| } else { |
| UsageError(" Default: Quick"); |
| } |
| UsageError(""); |
| UsageError(" --compiler-filter=" |
| "(verify-none" |
| "|interpret-only" |
| "|space" |
| "|balanced" |
| "|speed" |
| "|everything" |
| "|time):"); |
| UsageError(" select compiler filter."); |
| UsageError(" Example: --compiler-filter=everything"); |
| UsageError(" Default: speed"); |
| UsageError(""); |
| UsageError(" --huge-method-max=<method-instruction-count>: threshold size for a huge"); |
| UsageError(" method for compiler filter tuning."); |
| UsageError(" Example: --huge-method-max=%d", CompilerOptions::kDefaultHugeMethodThreshold); |
| UsageError(" Default: %d", CompilerOptions::kDefaultHugeMethodThreshold); |
| UsageError(""); |
| UsageError(" --large-method-max=<method-instruction-count>: threshold size for a large"); |
| UsageError(" method for compiler filter tuning."); |
| UsageError(" Example: --large-method-max=%d", CompilerOptions::kDefaultLargeMethodThreshold); |
| UsageError(" Default: %d", CompilerOptions::kDefaultLargeMethodThreshold); |
| UsageError(""); |
| UsageError(" --small-method-max=<method-instruction-count>: threshold size for a small"); |
| UsageError(" method for compiler filter tuning."); |
| UsageError(" Example: --small-method-max=%d", CompilerOptions::kDefaultSmallMethodThreshold); |
| UsageError(" Default: %d", CompilerOptions::kDefaultSmallMethodThreshold); |
| UsageError(""); |
| UsageError(" --tiny-method-max=<method-instruction-count>: threshold size for a tiny"); |
| UsageError(" method for compiler filter tuning."); |
| UsageError(" Example: --tiny-method-max=%d", CompilerOptions::kDefaultTinyMethodThreshold); |
| UsageError(" Default: %d", CompilerOptions::kDefaultTinyMethodThreshold); |
| UsageError(""); |
| UsageError(" --num-dex-methods=<method-count>: threshold size for a small dex file for"); |
| UsageError(" compiler filter tuning. If the input has fewer than this many methods"); |
| UsageError(" and the filter is not interpret-only or verify-none, overrides the"); |
| UsageError(" filter to use speed"); |
| UsageError(" Example: --num-dex-method=%d", CompilerOptions::kDefaultNumDexMethodsThreshold); |
| UsageError(" Default: %d", CompilerOptions::kDefaultNumDexMethodsThreshold); |
| UsageError(""); |
| UsageError(" --inline-depth-limit=<depth-limit>: the depth limit of inlining for fine tuning"); |
| UsageError(" the compiler. A zero value will disable inlining. Honored only by Optimizing."); |
| UsageError(" Has priority over the --compiler-filter option. Intended for "); |
| UsageError(" development/experimental use."); |
| UsageError(" Example: --inline-depth-limit=%d", CompilerOptions::kDefaultInlineDepthLimit); |
| UsageError(" Default: %d", CompilerOptions::kDefaultInlineDepthLimit); |
| UsageError(""); |
| UsageError(" --inline-max-code-units=<code-units-count>: the maximum code units that a method"); |
| UsageError(" can have to be considered for inlining. A zero value will disable inlining."); |
| UsageError(" Honored only by Optimizing. Has priority over the --compiler-filter option."); |
| UsageError(" Intended for development/experimental use."); |
| UsageError(" Example: --inline-max-code-units=%d", |
| CompilerOptions::kDefaultInlineMaxCodeUnits); |
| UsageError(" Default: %d", CompilerOptions::kDefaultInlineMaxCodeUnits); |
| UsageError(""); |
| UsageError(" --dump-timing: display a breakdown of where time was spent"); |
| UsageError(""); |
| UsageError(" --include-patch-information: Include patching information so the generated code"); |
| UsageError(" can have its base address moved without full recompilation."); |
| UsageError(""); |
| UsageError(" --no-include-patch-information: Do not include patching information."); |
| UsageError(""); |
| UsageError(" -g"); |
| UsageError(" --generate-debug-info: Generate debug information for native debugging,"); |
| UsageError(" such as stack unwinding information, ELF symbols and DWARF sections."); |
| UsageError(" This generates all the available information. Unneeded parts can be"); |
| UsageError(" stripped using standard command line tools such as strip or objcopy."); |
| UsageError(" (enabled by default in debug builds, disabled by default otherwise)"); |
| UsageError(""); |
| UsageError(" --no-generate-debug-info: Do not generate debug information for native debugging."); |
| UsageError(""); |
| UsageError(" --runtime-arg <argument>: used to specify various arguments for the runtime,"); |
| UsageError(" such as initial heap size, maximum heap size, and verbose output."); |
| UsageError(" Use a separate --runtime-arg switch for each argument."); |
| UsageError(" Example: --runtime-arg -Xms256m"); |
| UsageError(""); |
| UsageError(" --profile-file=<filename>: specify profiler output file to use for compilation."); |
| UsageError(""); |
| UsageError(" --print-pass-names: print a list of pass names"); |
| UsageError(""); |
| UsageError(" --disable-passes=<pass-names>: disable one or more passes separated by comma."); |
| UsageError(" Example: --disable-passes=UseCount,BBOptimizations"); |
| UsageError(""); |
| UsageError(" --print-pass-options: print a list of passes that have configurable options along " |
| "with the setting."); |
| UsageError(" Will print default if no overridden setting exists."); |
| UsageError(""); |
| UsageError(" --pass-options=Pass1Name:Pass1OptionName:Pass1Option#," |
| "Pass2Name:Pass2OptionName:Pass2Option#"); |
| UsageError(" Used to specify a pass specific option. The setting itself must be integer."); |
| UsageError(" Separator used between options is a comma."); |
| UsageError(""); |
| UsageError(" --swap-file=<file-name>: specifies a file to use for swap."); |
| UsageError(" Example: --swap-file=/data/tmp/swap.001"); |
| UsageError(""); |
| UsageError(" --swap-fd=<file-descriptor>: specifies a file to use for swap (by descriptor)."); |
| UsageError(" Example: --swap-fd=10"); |
| UsageError(""); |
| std::cerr << "See log for usage error information\n"; |
| exit(EXIT_FAILURE); |
| } |
| |
| // The primary goal of the watchdog is to prevent stuck build servers |
| // during development when fatal aborts lead to a cascade of failures |
| // that result in a deadlock. |
| class WatchDog { |
| // WatchDog defines its own CHECK_PTHREAD_CALL to avoid using LOG which uses locks |
| #undef CHECK_PTHREAD_CALL |
| #define CHECK_WATCH_DOG_PTHREAD_CALL(call, args, what) \ |
| do { \ |
| int rc = call args; \ |
| if (rc != 0) { \ |
| errno = rc; \ |
| std::string message(# call); \ |
| message += " failed for "; \ |
| message += reason; \ |
| Fatal(message); \ |
| } \ |
| } while (false) |
| |
| public: |
| explicit WatchDog(bool is_watch_dog_enabled) { |
| is_watch_dog_enabled_ = is_watch_dog_enabled; |
| if (!is_watch_dog_enabled_) { |
| return; |
| } |
| shutting_down_ = false; |
| const char* reason = "dex2oat watch dog thread startup"; |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_init, (&mutex_, nullptr), reason); |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_init, (&cond_, nullptr), reason); |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_init, (&attr_), reason); |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_create, (&pthread_, &attr_, &CallBack, this), reason); |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_attr_destroy, (&attr_), reason); |
| } |
| ~WatchDog() { |
| if (!is_watch_dog_enabled_) { |
| return; |
| } |
| const char* reason = "dex2oat watch dog thread shutdown"; |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason); |
| shutting_down_ = true; |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_signal, (&cond_), reason); |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason); |
| |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_join, (pthread_, nullptr), reason); |
| |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_cond_destroy, (&cond_), reason); |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_destroy, (&mutex_), reason); |
| } |
| |
| private: |
| static void* CallBack(void* arg) { |
| WatchDog* self = reinterpret_cast<WatchDog*>(arg); |
| ::art::SetThreadName("dex2oat watch dog"); |
| self->Wait(); |
| return nullptr; |
| } |
| |
| NO_RETURN static void Fatal(const std::string& message) { |
| // TODO: When we can guarantee it won't prevent shutdown in error cases, move to LOG. However, |
| // it's rather easy to hang in unwinding. |
| // LogLine also avoids ART logging lock issues, as it's really only a wrapper around |
| // logcat logging or stderr output. |
| LogMessage::LogLine(__FILE__, __LINE__, LogSeverity::FATAL, message.c_str()); |
| exit(1); |
| } |
| |
| void Wait() { |
| // TODO: tune the multiplier for GC verification, the following is just to make the timeout |
| // large. |
| constexpr int64_t multiplier = kVerifyObjectSupport > kVerifyObjectModeFast ? 100 : 1; |
| timespec timeout_ts; |
| InitTimeSpec(true, CLOCK_REALTIME, multiplier * kWatchDogTimeoutSeconds * 1000, 0, &timeout_ts); |
| const char* reason = "dex2oat watch dog thread waiting"; |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_lock, (&mutex_), reason); |
| while (!shutting_down_) { |
| int rc = TEMP_FAILURE_RETRY(pthread_cond_timedwait(&cond_, &mutex_, &timeout_ts)); |
| if (rc == ETIMEDOUT) { |
| Fatal(StringPrintf("dex2oat did not finish after %" PRId64 " seconds", |
| kWatchDogTimeoutSeconds)); |
| } else if (rc != 0) { |
| std::string message(StringPrintf("pthread_cond_timedwait failed: %s", |
| strerror(errno))); |
| Fatal(message.c_str()); |
| } |
| } |
| CHECK_WATCH_DOG_PTHREAD_CALL(pthread_mutex_unlock, (&mutex_), reason); |
| } |
| |
| // When setting timeouts, keep in mind that the build server may not be as fast as your desktop. |
| // Debug builds are slower so they have larger timeouts. |
| static constexpr int64_t kSlowdownFactor = kIsDebugBuild ? 5U : 1U; |
| |
| // 10 minutes scaled by kSlowdownFactor. |
| static constexpr int64_t kWatchDogTimeoutSeconds = kSlowdownFactor * 10 * 60; |
| |
| bool is_watch_dog_enabled_; |
| bool shutting_down_; |
| // TODO: Switch to Mutex when we can guarantee it won't prevent shutdown in error cases. |
| pthread_mutex_t mutex_; |
| pthread_cond_t cond_; |
| pthread_attr_t attr_; |
| pthread_t pthread_; |
| }; |
| |
| static void ParseStringAfterChar(const std::string& s, char c, std::string* parsed_value) { |
| std::string::size_type colon = s.find(c); |
| if (colon == std::string::npos) { |
| Usage("Missing char %c in option %s\n", c, s.c_str()); |
| } |
| // Add one to remove the char we were trimming until. |
| *parsed_value = s.substr(colon + 1); |
| } |
| |
| static void ParseDouble(const std::string& option, char after_char, double min, double max, |
| double* parsed_value) { |
| std::string substring; |
| ParseStringAfterChar(option, after_char, &substring); |
| bool sane_val = true; |
| double value; |
| if (false) { |
| // TODO: this doesn't seem to work on the emulator. b/15114595 |
| std::stringstream iss(substring); |
| iss >> value; |
| // Ensure that we have a value, there was no cruft after it and it satisfies a sensible range. |
| sane_val = iss.eof() && (value >= min) && (value <= max); |
| } else { |
| char* end = nullptr; |
| value = strtod(substring.c_str(), &end); |
| sane_val = *end == '\0' && value >= min && value <= max; |
| } |
| if (!sane_val) { |
| Usage("Invalid double value %s for option %s\n", substring.c_str(), option.c_str()); |
| } |
| *parsed_value = value; |
| } |
| |
| static constexpr size_t kMinDexFilesForSwap = 2; |
| static constexpr size_t kMinDexFileCumulativeSizeForSwap = 20 * MB; |
| |
| static bool UseSwap(bool is_image, std::vector<const DexFile*>& dex_files) { |
| if (is_image) { |
| // Don't use swap, we know generation should succeed, and we don't want to slow it down. |
| return false; |
| } |
| if (dex_files.size() < kMinDexFilesForSwap) { |
| // If there are less dex files than the threshold, assume it's gonna be fine. |
| return false; |
| } |
| size_t dex_files_size = 0; |
| for (const auto* dex_file : dex_files) { |
| dex_files_size += dex_file->GetHeader().file_size_; |
| } |
| return dex_files_size >= kMinDexFileCumulativeSizeForSwap; |
| } |
| |
| class Dex2Oat FINAL { |
| public: |
| explicit Dex2Oat(TimingLogger* timings) : |
| compiler_kind_(kUseOptimizingCompiler ? Compiler::kOptimizing : Compiler::kQuick), |
| instruction_set_(kRuntimeISA), |
| // Take the default set of instruction features from the build. |
| method_inliner_map_(), |
| runtime_(nullptr), |
| thread_count_(sysconf(_SC_NPROCESSORS_CONF)), |
| start_ns_(NanoTime()), |
| oat_fd_(-1), |
| zip_fd_(-1), |
| image_base_(0U), |
| image_classes_zip_filename_(nullptr), |
| image_classes_filename_(nullptr), |
| compiled_classes_zip_filename_(nullptr), |
| compiled_classes_filename_(nullptr), |
| compiled_methods_zip_filename_(nullptr), |
| compiled_methods_filename_(nullptr), |
| image_(false), |
| is_host_(false), |
| dump_stats_(false), |
| dump_passes_(false), |
| dump_timing_(false), |
| dump_slow_timing_(kIsDebugBuild), |
| swap_fd_(-1), |
| timings_(timings) {} |
| |
| ~Dex2Oat() { |
| // Free opened dex files before deleting the runtime_, because ~DexFile |
| // uses MemMap, which is shut down by ~Runtime. |
| class_path_files_.clear(); |
| opened_dex_files_.clear(); |
| |
| // Log completion time before deleting the runtime_, because this accesses |
| // the runtime. |
| LogCompletionTime(); |
| |
| if (kIsDebugBuild || (RUNNING_ON_MEMORY_TOOL && kMemoryToolDetectsLeaks)) { |
| delete runtime_; // See field declaration for why this is manual. |
| } |
| } |
| |
| struct ParserOptions { |
| std::string oat_symbols; |
| std::string boot_image_filename; |
| const char* compiler_filter_string = nullptr; |
| CompilerOptions::CompilerFilter compiler_filter = CompilerOptions::kDefaultCompilerFilter; |
| bool compile_pic = false; |
| int huge_method_threshold = CompilerOptions::kDefaultHugeMethodThreshold; |
| int large_method_threshold = CompilerOptions::kDefaultLargeMethodThreshold; |
| int small_method_threshold = CompilerOptions::kDefaultSmallMethodThreshold; |
| int tiny_method_threshold = CompilerOptions::kDefaultTinyMethodThreshold; |
| int num_dex_methods_threshold = CompilerOptions::kDefaultNumDexMethodsThreshold; |
| static constexpr int kUnsetInlineDepthLimit = -1; |
| int inline_depth_limit = kUnsetInlineDepthLimit; |
| static constexpr int kUnsetInlineMaxCodeUnits = -1; |
| int inline_max_code_units = kUnsetInlineMaxCodeUnits; |
| |
| // Profile file to use |
| double top_k_profile_threshold = CompilerOptions::kDefaultTopKProfileThreshold; |
| |
| bool debuggable = false; |
| bool include_patch_information = CompilerOptions::kDefaultIncludePatchInformation; |
| bool generate_debug_info = kIsDebugBuild; |
| bool watch_dog_enabled = true; |
| bool abort_on_hard_verifier_error = false; |
| bool requested_specific_compiler = false; |
| |
| bool implicit_null_checks = false; |
| bool implicit_so_checks = false; |
| bool implicit_suspend_checks = false; |
| |
| PassManagerOptions pass_manager_options; |
| |
| std::string error_msg; |
| }; |
| |
| template <typename T> |
| static void ParseUintOption(const StringPiece& option, |
| const std::string& option_name, |
| T* out, |
| bool is_long_option = true) { |
| std::string option_prefix = option_name + (is_long_option ? "=" : ""); |
| DCHECK(option.starts_with(option_prefix)); |
| const char* value_string = option.substr(option_prefix.size()).data(); |
| int64_t parsed_integer_value; |
| if (!ParseInt(value_string, &parsed_integer_value)) { |
| Usage("Failed to parse %s '%s' as an integer", option_name.c_str(), value_string); |
| } |
| if (parsed_integer_value < 0) { |
| Usage("%s passed a negative value %d", option_name.c_str(), parsed_integer_value); |
| } |
| *out = dchecked_integral_cast<T>(parsed_integer_value); |
| } |
| |
| void ParseZipFd(const StringPiece& option) { |
| ParseUintOption(option, "--zip-fd", &zip_fd_); |
| } |
| |
| void ParseOatFd(const StringPiece& option) { |
| ParseUintOption(option, "--oat-fd", &oat_fd_); |
| } |
| |
| void ParseJ(const StringPiece& option) { |
| ParseUintOption(option, "-j", &thread_count_, /* is_long_option */ false); |
| } |
| |
| void ParseBase(const StringPiece& option) { |
| DCHECK(option.starts_with("--base=")); |
| const char* image_base_str = option.substr(strlen("--base=")).data(); |
| char* end; |
| image_base_ = strtoul(image_base_str, &end, 16); |
| if (end == image_base_str || *end != '\0') { |
| Usage("Failed to parse hexadecimal value for option %s", option.data()); |
| } |
| } |
| |
| void ParseInstructionSet(const StringPiece& option) { |
| DCHECK(option.starts_with("--instruction-set=")); |
| StringPiece instruction_set_str = option.substr(strlen("--instruction-set=")).data(); |
| // StringPiece is not necessarily zero-terminated, so need to make a copy and ensure it. |
| std::unique_ptr<char[]> buf(new char[instruction_set_str.length() + 1]); |
| strncpy(buf.get(), instruction_set_str.data(), instruction_set_str.length()); |
| buf.get()[instruction_set_str.length()] = 0; |
| instruction_set_ = GetInstructionSetFromString(buf.get()); |
| // arm actually means thumb2. |
| if (instruction_set_ == InstructionSet::kArm) { |
| instruction_set_ = InstructionSet::kThumb2; |
| } |
| } |
| |
| void ParseInstructionSetVariant(const StringPiece& option, ParserOptions* parser_options) { |
| DCHECK(option.starts_with("--instruction-set-variant=")); |
| StringPiece str = option.substr(strlen("--instruction-set-variant=")).data(); |
| instruction_set_features_.reset( |
| InstructionSetFeatures::FromVariant( |
| instruction_set_, str.as_string(), &parser_options->error_msg)); |
| if (instruction_set_features_.get() == nullptr) { |
| Usage("%s", parser_options->error_msg.c_str()); |
| } |
| } |
| |
| void ParseInstructionSetFeatures(const StringPiece& option, ParserOptions* parser_options) { |
| DCHECK(option.starts_with("--instruction-set-features=")); |
| StringPiece str = option.substr(strlen("--instruction-set-features=")).data(); |
| if (instruction_set_features_.get() == nullptr) { |
| instruction_set_features_.reset( |
| InstructionSetFeatures::FromVariant( |
| instruction_set_, "default", &parser_options->error_msg)); |
| if (instruction_set_features_.get() == nullptr) { |
| Usage("Problem initializing default instruction set features variant: %s", |
| parser_options->error_msg.c_str()); |
| } |
| } |
| instruction_set_features_.reset( |
| instruction_set_features_->AddFeaturesFromString(str.as_string(), |
| &parser_options->error_msg)); |
| if (instruction_set_features_.get() == nullptr) { |
| Usage("Error parsing '%s': %s", option.data(), parser_options->error_msg.c_str()); |
| } |
| } |
| |
| void ParseCompilerBackend(const StringPiece& option, ParserOptions* parser_options) { |
| DCHECK(option.starts_with("--compiler-backend=")); |
| parser_options->requested_specific_compiler = true; |
| StringPiece backend_str = option.substr(strlen("--compiler-backend=")).data(); |
| if (backend_str == "Quick") { |
| compiler_kind_ = Compiler::kQuick; |
| } else if (backend_str == "Optimizing") { |
| compiler_kind_ = Compiler::kOptimizing; |
| } else { |
| Usage("Unknown compiler backend: %s", backend_str.data()); |
| } |
| } |
| |
| void ParseHugeMethodMax(const StringPiece& option, ParserOptions* parser_options) { |
| ParseUintOption(option, "--huge-method-max", &parser_options->huge_method_threshold); |
| } |
| |
| void ParseLargeMethodMax(const StringPiece& option, ParserOptions* parser_options) { |
| ParseUintOption(option, "--large-method-max", &parser_options->large_method_threshold); |
| } |
| |
| void ParseSmallMethodMax(const StringPiece& option, ParserOptions* parser_options) { |
| ParseUintOption(option, "--small-method-max", &parser_options->small_method_threshold); |
| } |
| |
| void ParseTinyMethodMax(const StringPiece& option, ParserOptions* parser_options) { |
| ParseUintOption(option, "--tiny-method-max", &parser_options->tiny_method_threshold); |
| } |
| |
| void ParseNumDexMethods(const StringPiece& option, ParserOptions* parser_options) { |
| ParseUintOption(option, "--num-dex-methods", &parser_options->num_dex_methods_threshold); |
| } |
| |
| void ParseInlineDepthLimit(const StringPiece& option, ParserOptions* parser_options) { |
| ParseUintOption(option, "--inline-depth-limit", &parser_options->inline_depth_limit); |
| } |
| |
| void ParseInlineMaxCodeUnits(const StringPiece& option, ParserOptions* parser_options) { |
| ParseUintOption(option, "--inline-max-code-units=", &parser_options->inline_max_code_units); |
| } |
| |
| void ParseDisablePasses(const StringPiece& option, ParserOptions* parser_options) { |
| DCHECK(option.starts_with("--disable-passes=")); |
| const std::string disable_passes = option.substr(strlen("--disable-passes=")).data(); |
| parser_options->pass_manager_options.SetDisablePassList(disable_passes); |
| } |
| |
| void ParsePrintPasses(const StringPiece& option, ParserOptions* parser_options) { |
| DCHECK(option.starts_with("--print-passes=")); |
| const std::string print_passes = option.substr(strlen("--print-passes=")).data(); |
| parser_options->pass_manager_options.SetPrintPassList(print_passes); |
| } |
| |
| void ParseDumpCfgPasses(const StringPiece& option, ParserOptions* parser_options) { |
| DCHECK(option.starts_with("--dump-cfg-passes=")); |
| const std::string dump_passes_string = option.substr(strlen("--dump-cfg-passes=")).data(); |
| parser_options->pass_manager_options.SetDumpPassList(dump_passes_string); |
| } |
| |
| void ParsePassOptions(const StringPiece& option, ParserOptions* parser_options) { |
| DCHECK(option.starts_with("--pass-options=")); |
| const std::string pass_options = option.substr(strlen("--pass-options=")).data(); |
| parser_options->pass_manager_options.SetOverriddenPassOptions(pass_options); |
| } |
| |
| void ParseDumpInitFailures(const StringPiece& option) { |
| DCHECK(option.starts_with("--dump-init-failures=")); |
| std::string file_name = option.substr(strlen("--dump-init-failures=")).data(); |
| init_failure_output_.reset(new std::ofstream(file_name)); |
| if (init_failure_output_.get() == nullptr) { |
| LOG(ERROR) << "Failed to allocate ofstream"; |
| } else if (init_failure_output_->fail()) { |
| LOG(ERROR) << "Failed to open " << file_name << " for writing the initialization " |
| << "failures."; |
| init_failure_output_.reset(); |
| } |
| } |
| |
| void ParseSwapFd(const StringPiece& option) { |
| ParseUintOption(option, "--swap-fd", &swap_fd_); |
| } |
| |
| void ProcessOptions(ParserOptions* parser_options) { |
| image_ = (!image_filename_.empty()); |
| if (!parser_options->requested_specific_compiler && !kUseOptimizingCompiler) { |
| // If no specific compiler is requested, the current behavior is |
| // to compile the boot image with Quick, and the rest with Optimizing. |
| compiler_kind_ = image_ ? Compiler::kQuick : Compiler::kOptimizing; |
| } |
| |
| if (oat_filename_.empty() && oat_fd_ == -1) { |
| Usage("Output must be supplied with either --oat-file or --oat-fd"); |
| } |
| |
| if (!oat_filename_.empty() && oat_fd_ != -1) { |
| Usage("--oat-file should not be used with --oat-fd"); |
| } |
| |
| if (!parser_options->oat_symbols.empty() && oat_fd_ != -1) { |
| Usage("--oat-symbols should not be used with --oat-fd"); |
| } |
| |
| if (!parser_options->oat_symbols.empty() && is_host_) { |
| Usage("--oat-symbols should not be used with --host"); |
| } |
| |
| if (oat_fd_ != -1 && !image_filename_.empty()) { |
| Usage("--oat-fd should not be used with --image"); |
| } |
| |
| if (android_root_.empty()) { |
| const char* android_root_env_var = getenv("ANDROID_ROOT"); |
| if (android_root_env_var == nullptr) { |
| Usage("--android-root unspecified and ANDROID_ROOT not set"); |
| } |
| android_root_ += android_root_env_var; |
| } |
| |
| if (!image_ && parser_options->boot_image_filename.empty()) { |
| parser_options->boot_image_filename += android_root_; |
| parser_options->boot_image_filename += "/framework/boot.art"; |
| } |
| if (!parser_options->boot_image_filename.empty()) { |
| boot_image_option_ += "-Ximage:"; |
| boot_image_option_ += parser_options->boot_image_filename; |
| } |
| |
| if (image_classes_filename_ != nullptr && !image_) { |
| Usage("--image-classes should only be used with --image"); |
| } |
| |
| if (image_classes_filename_ != nullptr && !boot_image_option_.empty()) { |
| Usage("--image-classes should not be used with --boot-image"); |
| } |
| |
| if (image_classes_zip_filename_ != nullptr && image_classes_filename_ == nullptr) { |
| Usage("--image-classes-zip should be used with --image-classes"); |
| } |
| |
| if (compiled_classes_filename_ != nullptr && !image_) { |
| Usage("--compiled-classes should only be used with --image"); |
| } |
| |
| if (compiled_classes_filename_ != nullptr && !boot_image_option_.empty()) { |
| Usage("--compiled-classes should not be used with --boot-image"); |
| } |
| |
| if (compiled_classes_zip_filename_ != nullptr && compiled_classes_filename_ == nullptr) { |
| Usage("--compiled-classes-zip should be used with --compiled-classes"); |
| } |
| |
| if (dex_filenames_.empty() && zip_fd_ == -1) { |
| Usage("Input must be supplied with either --dex-file or --zip-fd"); |
| } |
| |
| if (!dex_filenames_.empty() && zip_fd_ != -1) { |
| Usage("--dex-file should not be used with --zip-fd"); |
| } |
| |
| if (!dex_filenames_.empty() && !zip_location_.empty()) { |
| Usage("--dex-file should not be used with --zip-location"); |
| } |
| |
| if (dex_locations_.empty()) { |
| for (const char* dex_file_name : dex_filenames_) { |
| dex_locations_.push_back(dex_file_name); |
| } |
| } else if (dex_locations_.size() != dex_filenames_.size()) { |
| Usage("--dex-location arguments do not match --dex-file arguments"); |
| } |
| |
| if (zip_fd_ != -1 && zip_location_.empty()) { |
| Usage("--zip-location should be supplied with --zip-fd"); |
| } |
| |
| if (boot_image_option_.empty()) { |
| if (image_base_ == 0) { |
| Usage("Non-zero --base not specified"); |
| } |
| } |
| |
| oat_stripped_ = oat_filename_; |
| if (!parser_options->oat_symbols.empty()) { |
| oat_unstripped_ = parser_options->oat_symbols; |
| } else { |
| oat_unstripped_ = oat_filename_; |
| } |
| |
| // If no instruction set feature was given, use the default one for the target |
| // instruction set. |
| if (instruction_set_features_.get() == nullptr) { |
| instruction_set_features_.reset( |
| InstructionSetFeatures::FromVariant( |
| instruction_set_, "default", &parser_options->error_msg)); |
| if (instruction_set_features_.get() == nullptr) { |
| Usage("Problem initializing default instruction set features variant: %s", |
| parser_options->error_msg.c_str()); |
| } |
| } |
| |
| if (instruction_set_ == kRuntimeISA) { |
| std::unique_ptr<const InstructionSetFeatures> runtime_features( |
| InstructionSetFeatures::FromCppDefines()); |
| if (!instruction_set_features_->Equals(runtime_features.get())) { |
| LOG(WARNING) << "Mismatch between dex2oat instruction set features (" |
| << *instruction_set_features_ << ") and those of dex2oat executable (" |
| << *runtime_features <<") for the command line:\n" |
| << CommandLine(); |
| } |
| } |
| |
| if (parser_options->compiler_filter_string == nullptr) { |
| parser_options->compiler_filter_string = "speed"; |
| } |
| |
| CHECK(parser_options->compiler_filter_string != nullptr); |
| if (strcmp(parser_options->compiler_filter_string, "verify-none") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kVerifyNone; |
| } else if (strcmp(parser_options->compiler_filter_string, "interpret-only") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kInterpretOnly; |
| } else if (strcmp(parser_options->compiler_filter_string, "verify-at-runtime") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kVerifyAtRuntime; |
| } else if (strcmp(parser_options->compiler_filter_string, "space") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kSpace; |
| } else if (strcmp(parser_options->compiler_filter_string, "balanced") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kBalanced; |
| } else if (strcmp(parser_options->compiler_filter_string, "speed") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kSpeed; |
| } else if (strcmp(parser_options->compiler_filter_string, "everything") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kEverything; |
| } else if (strcmp(parser_options->compiler_filter_string, "time") == 0) { |
| parser_options->compiler_filter = CompilerOptions::kTime; |
| } else { |
| Usage("Unknown --compiler-filter value %s", parser_options->compiler_filter_string); |
| } |
| |
| // It they are not set, use default values for inlining settings. |
| // TODO: We should rethink the compiler filter. We mostly save |
| // time here, which is orthogonal to space. |
| if (parser_options->inline_depth_limit == ParserOptions::kUnsetInlineDepthLimit) { |
| parser_options->inline_depth_limit = |
| (parser_options->compiler_filter == CompilerOptions::kSpace) |
| // Implementation of the space filter: limit inlining depth. |
| ? CompilerOptions::kSpaceFilterInlineDepthLimit |
| : CompilerOptions::kDefaultInlineDepthLimit; |
| } |
| if (parser_options->inline_max_code_units == ParserOptions::kUnsetInlineMaxCodeUnits) { |
| parser_options->inline_max_code_units = |
| (parser_options->compiler_filter == CompilerOptions::kSpace) |
| // Implementation of the space filter: limit inlining max code units. |
| ? CompilerOptions::kSpaceFilterInlineMaxCodeUnits |
| : CompilerOptions::kDefaultInlineMaxCodeUnits; |
| } |
| |
| // Checks are all explicit until we know the architecture. |
| // Set the compilation target's implicit checks options. |
| switch (instruction_set_) { |
| case kArm: |
| case kThumb2: |
| case kArm64: |
| case kX86: |
| case kX86_64: |
| case kMips: |
| case kMips64: |
| parser_options->implicit_null_checks = true; |
| parser_options->implicit_so_checks = true; |
| break; |
| |
| default: |
| // Defaults are correct. |
| break; |
| } |
| |
| compiler_options_.reset(new CompilerOptions(parser_options->compiler_filter, |
| parser_options->huge_method_threshold, |
| parser_options->large_method_threshold, |
| parser_options->small_method_threshold, |
| parser_options->tiny_method_threshold, |
| parser_options->num_dex_methods_threshold, |
| parser_options->inline_depth_limit, |
| parser_options->inline_max_code_units, |
| parser_options->include_patch_information, |
| parser_options->top_k_profile_threshold, |
| parser_options->debuggable, |
| parser_options->generate_debug_info, |
| parser_options->implicit_null_checks, |
| parser_options->implicit_so_checks, |
| parser_options->implicit_suspend_checks, |
| parser_options->compile_pic, |
| verbose_methods_.empty() ? |
| nullptr : |
| &verbose_methods_, |
| new PassManagerOptions( |
| parser_options->pass_manager_options), |
| init_failure_output_.get(), |
| parser_options->abort_on_hard_verifier_error)); |
| |
| // Done with usage checks, enable watchdog if requested |
| if (parser_options->watch_dog_enabled) { |
| watchdog_.reset(new WatchDog(true)); |
| } |
| |
| // Fill some values into the key-value store for the oat header. |
| key_value_store_.reset(new SafeMap<std::string, std::string>()); |
| } |
| |
| void InsertCompileOptions(int argc, char** argv, ParserOptions* parser_options) { |
| std::ostringstream oss; |
| for (int i = 0; i < argc; ++i) { |
| if (i > 0) { |
| oss << ' '; |
| } |
| oss << argv[i]; |
| } |
| key_value_store_->Put(OatHeader::kDex2OatCmdLineKey, oss.str()); |
| oss.str(""); // Reset. |
| oss << kRuntimeISA; |
| key_value_store_->Put(OatHeader::kDex2OatHostKey, oss.str()); |
| key_value_store_->Put( |
| OatHeader::kPicKey, |
| parser_options->compile_pic ? OatHeader::kTrueValue : OatHeader::kFalseValue); |
| key_value_store_->Put( |
| OatHeader::kDebuggableKey, |
| parser_options->debuggable ? OatHeader::kTrueValue : OatHeader::kFalseValue); |
| } |
| |
| // Parse the arguments from the command line. In case of an unrecognized option or impossible |
| // values/combinations, a usage error will be displayed and exit() is called. Thus, if the method |
| // returns, arguments have been successfully parsed. |
| void ParseArgs(int argc, char** argv) { |
| original_argc = argc; |
| original_argv = argv; |
| |
| InitLogging(argv); |
| |
| // Skip over argv[0]. |
| argv++; |
| argc--; |
| |
| if (argc == 0) { |
| Usage("No arguments specified"); |
| } |
| |
| std::unique_ptr<ParserOptions> parser_options(new ParserOptions()); |
| |
| for (int i = 0; i < argc; i++) { |
| const StringPiece option(argv[i]); |
| const bool log_options = false; |
| if (log_options) { |
| LOG(INFO) << "dex2oat: option[" << i << "]=" << argv[i]; |
| } |
| if (option.starts_with("--dex-file=")) { |
| dex_filenames_.push_back(option.substr(strlen("--dex-file=")).data()); |
| } else if (option.starts_with("--dex-location=")) { |
| dex_locations_.push_back(option.substr(strlen("--dex-location=")).data()); |
| } else if (option.starts_with("--zip-fd=")) { |
| ParseZipFd(option); |
| } else if (option.starts_with("--zip-location=")) { |
| zip_location_ = option.substr(strlen("--zip-location=")).data(); |
| } else if (option.starts_with("--oat-file=")) { |
| oat_filename_ = option.substr(strlen("--oat-file=")).data(); |
| } else if (option.starts_with("--oat-symbols=")) { |
| parser_options->oat_symbols = option.substr(strlen("--oat-symbols=")).data(); |
| } else if (option.starts_with("--oat-fd=")) { |
| ParseOatFd(option); |
| } else if (option == "--watch-dog") { |
| parser_options->watch_dog_enabled = true; |
| } else if (option == "--no-watch-dog") { |
| parser_options->watch_dog_enabled = false; |
| } else if (option.starts_with("-j")) { |
| ParseJ(option); |
| } else if (option.starts_with("--oat-location=")) { |
| oat_location_ = option.substr(strlen("--oat-location=")).data(); |
| } else if (option.starts_with("--image=")) { |
| image_filename_ = option.substr(strlen("--image=")).data(); |
| } else if (option.starts_with("--image-classes=")) { |
| image_classes_filename_ = option.substr(strlen("--image-classes=")).data(); |
| } else if (option.starts_with("--image-classes-zip=")) { |
| image_classes_zip_filename_ = option.substr(strlen("--image-classes-zip=")).data(); |
| } else if (option.starts_with("--compiled-classes=")) { |
| compiled_classes_filename_ = option.substr(strlen("--compiled-classes=")).data(); |
| } else if (option.starts_with("--compiled-classes-zip=")) { |
| compiled_classes_zip_filename_ = option.substr(strlen("--compiled-classes-zip=")).data(); |
| } else if (option.starts_with("--compiled-methods=")) { |
| compiled_methods_filename_ = option.substr(strlen("--compiled-methods=")).data(); |
| } else if (option.starts_with("--compiled-methods-zip=")) { |
| compiled_methods_zip_filename_ = option.substr(strlen("--compiled-methods-zip=")).data(); |
| } else if (option.starts_with("--base=")) { |
| ParseBase(option); |
| } else if (option.starts_with("--boot-image=")) { |
| parser_options->boot_image_filename = option.substr(strlen("--boot-image=")).data(); |
| } else if (option.starts_with("--android-root=")) { |
| android_root_ = option.substr(strlen("--android-root=")).data(); |
| } else if (option.starts_with("--instruction-set=")) { |
| ParseInstructionSet(option); |
| } else if (option.starts_with("--instruction-set-variant=")) { |
| ParseInstructionSetVariant(option, parser_options.get()); |
| } else if (option.starts_with("--instruction-set-features=")) { |
| ParseInstructionSetFeatures(option, parser_options.get()); |
| } else if (option.starts_with("--compiler-backend=")) { |
| ParseCompilerBackend(option, parser_options.get()); |
| } else if (option.starts_with("--compiler-filter=")) { |
| parser_options->compiler_filter_string = option.substr(strlen("--compiler-filter=")).data(); |
| } else if (option == "--compile-pic") { |
| parser_options->compile_pic = true; |
| } else if (option.starts_with("--huge-method-max=")) { |
| ParseHugeMethodMax(option, parser_options.get()); |
| } else if (option.starts_with("--large-method-max=")) { |
| ParseLargeMethodMax(option, parser_options.get()); |
| } else if (option.starts_with("--small-method-max=")) { |
| ParseSmallMethodMax(option, parser_options.get()); |
| } else if (option.starts_with("--tiny-method-max=")) { |
| ParseTinyMethodMax(option, parser_options.get()); |
| } else if (option.starts_with("--num-dex-methods=")) { |
| ParseNumDexMethods(option, parser_options.get()); |
| } else if (option.starts_with("--inline-depth-limit=")) { |
| ParseInlineDepthLimit(option, parser_options.get()); |
| } else if (option.starts_with("--inline-max-code-units=")) { |
| ParseInlineMaxCodeUnits(option, parser_options.get()); |
| } else if (option == "--host") { |
| is_host_ = true; |
| } else if (option == "--runtime-arg") { |
| if (++i >= argc) { |
| Usage("Missing required argument for --runtime-arg"); |
| } |
| if (log_options) { |
| LOG(INFO) << "dex2oat: option[" << i << "]=" << argv[i]; |
| } |
| runtime_args_.push_back(argv[i]); |
| } else if (option == "--dump-timing") { |
| dump_timing_ = true; |
| } else if (option == "--dump-passes") { |
| dump_passes_ = true; |
| } else if (option.starts_with("--dump-cfg=")) { |
| dump_cfg_file_name_ = option.substr(strlen("--dump-cfg=")).data(); |
| } else if (option == "--dump-stats") { |
| dump_stats_ = true; |
| } else if (option == "--generate-debug-info" || option == "-g") { |
| parser_options->generate_debug_info = true; |
| } else if (option == "--no-generate-debug-info") { |
| parser_options->generate_debug_info = false; |
| } else if (option == "--debuggable") { |
| parser_options->debuggable = true; |
| parser_options->generate_debug_info = true; |
| } else if (option.starts_with("--profile-file=")) { |
| profile_file_ = option.substr(strlen("--profile-file=")).data(); |
| VLOG(compiler) << "dex2oat: profile file is " << profile_file_; |
| } else if (option == "--no-profile-file") { |
| // No profile |
| } else if (option.starts_with("--top-k-profile-threshold=")) { |
| ParseDouble(option.data(), '=', 0.0, 100.0, &parser_options->top_k_profile_threshold); |
| } else if (option == "--print-pass-names") { |
| parser_options->pass_manager_options.SetPrintPassNames(true); |
| } else if (option.starts_with("--disable-passes=")) { |
| ParseDisablePasses(option, parser_options.get()); |
| } else if (option.starts_with("--print-passes=")) { |
| ParsePrintPasses(option, parser_options.get()); |
| } else if (option == "--print-all-passes") { |
| parser_options->pass_manager_options.SetPrintAllPasses(); |
| } else if (option.starts_with("--dump-cfg-passes=")) { |
| ParseDumpCfgPasses(option, parser_options.get()); |
| } else if (option == "--print-pass-options") { |
| parser_options->pass_manager_options.SetPrintPassOptions(true); |
| } else if (option.starts_with("--pass-options=")) { |
| ParsePassOptions(option, parser_options.get()); |
| } else if (option == "--include-patch-information") { |
| parser_options->include_patch_information = true; |
| } else if (option == "--no-include-patch-information") { |
| parser_options->include_patch_information = false; |
| } else if (option.starts_with("--verbose-methods=")) { |
| // TODO: rather than switch off compiler logging, make all VLOG(compiler) messages |
| // conditional on having verbost methods. |
| gLogVerbosity.compiler = false; |
| Split(option.substr(strlen("--verbose-methods=")).ToString(), ',', &verbose_methods_); |
| } else if (option.starts_with("--dump-init-failures=")) { |
| ParseDumpInitFailures(option); |
| } else if (option.starts_with("--swap-file=")) { |
| swap_file_name_ = option.substr(strlen("--swap-file=")).data(); |
| } else if (option.starts_with("--swap-fd=")) { |
| ParseSwapFd(option); |
| } else if (option == "--abort-on-hard-verifier-error") { |
| parser_options->abort_on_hard_verifier_error = true; |
| } else { |
| Usage("Unknown argument %s", option.data()); |
| } |
| } |
| |
| ProcessOptions(parser_options.get()); |
| |
| // Insert some compiler things. |
| InsertCompileOptions(argc, argv, parser_options.get()); |
| } |
| |
| // Check whether the oat output file is writable, and open it for later. Also open a swap file, |
| // if a name is given. |
| bool OpenFile() { |
| bool create_file = !oat_unstripped_.empty(); // as opposed to using open file descriptor |
| if (create_file) { |
| oat_file_.reset(OS::CreateEmptyFile(oat_unstripped_.c_str())); |
| if (oat_location_.empty()) { |
| oat_location_ = oat_filename_; |
| } |
| } else { |
| oat_file_.reset(new File(oat_fd_, oat_location_, true)); |
| oat_file_->DisableAutoClose(); |
| if (oat_file_->SetLength(0) != 0) { |
| PLOG(WARNING) << "Truncating oat file " << oat_location_ << " failed."; |
| } |
| } |
| if (oat_file_.get() == nullptr) { |
| PLOG(ERROR) << "Failed to create oat file: " << oat_location_; |
| return false; |
| } |
| if (create_file && fchmod(oat_file_->Fd(), 0644) != 0) { |
| PLOG(ERROR) << "Failed to make oat file world readable: " << oat_location_; |
| oat_file_->Erase(); |
| return false; |
| } |
| |
| // Swap file handling. |
| // |
| // If the swap fd is not -1, we assume this is the file descriptor of an open but unlinked file |
| // that we can use for swap. |
| // |
| // If the swap fd is -1 and we have a swap-file string, open the given file as a swap file. We |
| // will immediately unlink to satisfy the swap fd assumption. |
| if (swap_fd_ == -1 && !swap_file_name_.empty()) { |
| std::unique_ptr<File> swap_file(OS::CreateEmptyFile(swap_file_name_.c_str())); |
| if (swap_file.get() == nullptr) { |
| PLOG(ERROR) << "Failed to create swap file: " << swap_file_name_; |
| return false; |
| } |
| swap_fd_ = swap_file->Fd(); |
| swap_file->MarkUnchecked(); // We don't we to track this, it will be unlinked immediately. |
| swap_file->DisableAutoClose(); // We'll handle it ourselves, the File object will be |
| // released immediately. |
| unlink(swap_file_name_.c_str()); |
| } |
| |
| return true; |
| } |
| |
| void EraseOatFile() { |
| DCHECK(oat_file_.get() != nullptr); |
| oat_file_->Erase(); |
| oat_file_.reset(); |
| } |
| |
| // Set up the environment for compilation. Includes starting the runtime and loading/opening the |
| // boot class path. |
| bool Setup() { |
| TimingLogger::ScopedTiming t("dex2oat Setup", timings_); |
| RuntimeOptions runtime_options; |
| art::MemMap::Init(); // For ZipEntry::ExtractToMemMap. |
| if (boot_image_option_.empty()) { |
| std::string boot_class_path = "-Xbootclasspath:"; |
| boot_class_path += Join(dex_filenames_, ':'); |
| runtime_options.push_back(std::make_pair(boot_class_path, nullptr)); |
| std::string boot_class_path_locations = "-Xbootclasspath-locations:"; |
| boot_class_path_locations += Join(dex_locations_, ':'); |
| runtime_options.push_back(std::make_pair(boot_class_path_locations, nullptr)); |
| } else { |
| runtime_options.push_back(std::make_pair(boot_image_option_, nullptr)); |
| } |
| for (size_t i = 0; i < runtime_args_.size(); i++) { |
| runtime_options.push_back(std::make_pair(runtime_args_[i], nullptr)); |
| } |
| |
| verification_results_.reset(new VerificationResults(compiler_options_.get())); |
| callbacks_.reset(new QuickCompilerCallbacks( |
| verification_results_.get(), |
| &method_inliner_map_, |
| image_ ? |
| CompilerCallbacks::CallbackMode::kCompileBootImage : |
| CompilerCallbacks::CallbackMode::kCompileApp)); |
| runtime_options.push_back(std::make_pair("compilercallbacks", callbacks_.get())); |
| runtime_options.push_back( |
| std::make_pair("imageinstructionset", GetInstructionSetString(instruction_set_))); |
| |
| // Only allow no boot image for the runtime if we're compiling one. When we compile an app, |
| // we don't want fallback mode, it will abort as we do not push a boot classpath (it might |
| // have been stripped in preopting, anyways). |
| if (!image_) { |
| runtime_options.push_back(std::make_pair("-Xno-dex-file-fallback", nullptr)); |
| } |
| // Disable libsigchain. We don't don't need it during compilation and it prevents us |
| // from getting a statically linked version of dex2oat (because of dlsym and RTLD_NEXT). |
| runtime_options.push_back(std::make_pair("-Xno-sig-chain", nullptr)); |
| |
| if (!CreateRuntime(runtime_options)) { |
| return false; |
| } |
| |
| // Runtime::Create acquired the mutator_lock_ that is normally given away when we |
| // Runtime::Start, give it away now so that we don't starve GC. |
| Thread* self = Thread::Current(); |
| self->TransitionFromRunnableToSuspended(kNative); |
| // If we're doing the image, override the compiler filter to force full compilation. Must be |
| // done ahead of WellKnownClasses::Init that causes verification. Note: doesn't force |
| // compilation of class initializers. |
| // Whilst we're in native take the opportunity to initialize well known classes. |
| WellKnownClasses::Init(self->GetJniEnv()); |
| |
| // If --image-classes was specified, calculate the full list of classes to include in the image |
| if (image_classes_filename_ != nullptr) { |
| std::string error_msg; |
| if (image_classes_zip_filename_ != nullptr) { |
| image_classes_.reset(ReadImageClassesFromZip(image_classes_zip_filename_, |
| image_classes_filename_, |
| &error_msg)); |
| } else { |
| image_classes_.reset(ReadImageClassesFromFile(image_classes_filename_)); |
| } |
| if (image_classes_.get() == nullptr) { |
| LOG(ERROR) << "Failed to create list of image classes from '" << image_classes_filename_ << |
| "': " << error_msg; |
| return false; |
| } |
| } else if (image_) { |
| image_classes_.reset(new std::unordered_set<std::string>); |
| } |
| // If --compiled-classes was specified, calculate the full list of classes to compile in the |
| // image. |
| if (compiled_classes_filename_ != nullptr) { |
| std::string error_msg; |
| if (compiled_classes_zip_filename_ != nullptr) { |
| compiled_classes_.reset(ReadImageClassesFromZip(compiled_classes_zip_filename_, |
| compiled_classes_filename_, |
| &error_msg)); |
| } else { |
| compiled_classes_.reset(ReadImageClassesFromFile(compiled_classes_filename_)); |
| } |
| if (compiled_classes_.get() == nullptr) { |
| LOG(ERROR) << "Failed to create list of compiled classes from '" |
| << compiled_classes_filename_ << "': " << error_msg; |
| return false; |
| } |
| } else { |
| compiled_classes_.reset(nullptr); // By default compile everything. |
| } |
| // If --compiled-methods was specified, read the methods to compile from the given file(s). |
| if (compiled_methods_filename_ != nullptr) { |
| std::string error_msg; |
| if (compiled_methods_zip_filename_ != nullptr) { |
| compiled_methods_.reset(ReadCommentedInputFromZip(compiled_methods_zip_filename_, |
| compiled_methods_filename_, |
| nullptr, // No post-processing. |
| &error_msg)); |
| } else { |
| compiled_methods_.reset(ReadCommentedInputFromFile(compiled_methods_filename_, |
| nullptr)); // No post-processing. |
| } |
| if (compiled_methods_.get() == nullptr) { |
| LOG(ERROR) << "Failed to create list of compiled methods from '" |
| << compiled_methods_filename_ << "': " << error_msg; |
| return false; |
| } |
| } else { |
| compiled_methods_.reset(nullptr); // By default compile everything. |
| } |
| |
| if (boot_image_option_.empty()) { |
| dex_files_ = Runtime::Current()->GetClassLinker()->GetBootClassPath(); |
| } else { |
| if (dex_filenames_.empty()) { |
| ATRACE_BEGIN("Opening zip archive from file descriptor"); |
| std::string error_msg; |
| std::unique_ptr<ZipArchive> zip_archive(ZipArchive::OpenFromFd(zip_fd_, |
| zip_location_.c_str(), |
| &error_msg)); |
| if (zip_archive.get() == nullptr) { |
| LOG(ERROR) << "Failed to open zip from file descriptor for '" << zip_location_ << "': " |
| << error_msg; |
| return false; |
| } |
| if (!DexFile::OpenFromZip(*zip_archive.get(), zip_location_, &error_msg, &opened_dex_files_)) { |
| LOG(ERROR) << "Failed to open dex from file descriptor for zip file '" << zip_location_ |
| << "': " << error_msg; |
| return false; |
| } |
| for (auto& dex_file : opened_dex_files_) { |
| dex_files_.push_back(dex_file.get()); |
| } |
| ATRACE_END(); |
| } else { |
| size_t failure_count = OpenDexFiles(dex_filenames_, dex_locations_, &opened_dex_files_); |
| if (failure_count > 0) { |
| LOG(ERROR) << "Failed to open some dex files: " << failure_count; |
| return false; |
| } |
| for (auto& dex_file : opened_dex_files_) { |
| dex_files_.push_back(dex_file.get()); |
| } |
| } |
| |
| constexpr bool kSaveDexInput = false; |
| if (kSaveDexInput) { |
| for (size_t i = 0; i < dex_files_.size(); ++i) { |
| const DexFile* dex_file = dex_files_[i]; |
| std::string tmp_file_name(StringPrintf("/data/local/tmp/dex2oat.%d.%zd.dex", |
| getpid(), i)); |
| std::unique_ptr<File> tmp_file(OS::CreateEmptyFile(tmp_file_name.c_str())); |
| if (tmp_file.get() == nullptr) { |
| PLOG(ERROR) << "Failed to open file " << tmp_file_name |
| << ". Try: adb shell chmod 777 /data/local/tmp"; |
| continue; |
| } |
| // This is just dumping files for debugging. Ignore errors, and leave remnants. |
| UNUSED(tmp_file->WriteFully(dex_file->Begin(), dex_file->Size())); |
| UNUSED(tmp_file->Flush()); |
| UNUSED(tmp_file->Close()); |
| LOG(INFO) << "Wrote input to " << tmp_file_name; |
| } |
| } |
| } |
| // Ensure opened dex files are writable for dex-to-dex transformations. |
| for (const auto& dex_file : dex_files_) { |
| if (!dex_file->EnableWrite()) { |
| PLOG(ERROR) << "Failed to make .dex file writeable '" << dex_file->GetLocation() << "'\n"; |
| } |
| } |
| |
| // If we use a swap file, ensure we are above the threshold to make it necessary. |
| if (swap_fd_ != -1) { |
| if (!UseSwap(image_, dex_files_)) { |
| close(swap_fd_); |
| swap_fd_ = -1; |
| VLOG(compiler) << "Decided to run without swap."; |
| } else { |
| LOG(INFO) << "Large app, accepted running with swap."; |
| } |
| } |
| // Note that dex2oat won't close the swap_fd_. The compiler driver's swap space will do that. |
| |
| /* |
| * If we're not in interpret-only or verify-none mode, go ahead and compile small applications. |
| * Don't bother to check if we're doing the image. |
| */ |
| if (!image_ && |
| compiler_options_->IsCompilationEnabled() && |
| compiler_kind_ == Compiler::kQuick) { |
| size_t num_methods = 0; |
| for (size_t i = 0; i != dex_files_.size(); ++i) { |
| const DexFile* dex_file = dex_files_[i]; |
| CHECK(dex_file != nullptr); |
| num_methods += dex_file->NumMethodIds(); |
| } |
| if (num_methods <= compiler_options_->GetNumDexMethodsThreshold()) { |
| compiler_options_->SetCompilerFilter(CompilerOptions::kSpeed); |
| VLOG(compiler) << "Below method threshold, compiling anyways"; |
| } |
| } |
| |
| return true; |
| } |
| |
| // Create and invoke the compiler driver. This will compile all the dex files. |
| void Compile() { |
| TimingLogger::ScopedTiming t("dex2oat Compile", timings_); |
| compiler_phases_timings_.reset(new CumulativeLogger("compilation times")); |
| |
| // Handle and ClassLoader creation needs to come after Runtime::Create |
| jobject class_loader = nullptr; |
| Thread* self = Thread::Current(); |
| if (!boot_image_option_.empty()) { |
| ClassLinker* class_linker = Runtime::Current()->GetClassLinker(); |
| OpenClassPathFiles(runtime_->GetClassPathString(), dex_files_, &class_path_files_); |
| ScopedObjectAccess soa(self); |
| |
| // Classpath: first the class-path given. |
| std::vector<const DexFile*> class_path_files; |
| for (auto& class_path_file : class_path_files_) { |
| class_path_files.push_back(class_path_file.get()); |
| } |
| |
| // Store the classpath we have right now. |
| key_value_store_->Put(OatHeader::kClassPathKey, |
| OatFile::EncodeDexFileDependencies(class_path_files)); |
| |
| // Then the dex files we'll compile. Thus we'll resolve the class-path first. |
| class_path_files.insert(class_path_files.end(), dex_files_.begin(), dex_files_.end()); |
| |
| class_loader = class_linker->CreatePathClassLoader(self, class_path_files); |
| } |
| |
| driver_.reset(new CompilerDriver(compiler_options_.get(), |
| verification_results_.get(), |
| &method_inliner_map_, |
| compiler_kind_, |
| instruction_set_, |
| instruction_set_features_.get(), |
| image_, |
| image_classes_.release(), |
| compiled_classes_.release(), |
| nullptr, |
| thread_count_, |
| dump_stats_, |
| dump_passes_, |
| dump_cfg_file_name_, |
| compiler_phases_timings_.get(), |
| swap_fd_, |
| profile_file_)); |
| |
| driver_->CompileAll(class_loader, dex_files_, timings_); |
| } |
| |
| // Notes on the interleaving of creating the image and oat file to |
| // ensure the references between the two are correct. |
| // |
| // Currently we have a memory layout that looks something like this: |
| // |
| // +--------------+ |
| // | image | |
| // +--------------+ |
| // | boot oat | |
| // +--------------+ |
| // | alloc spaces | |
| // +--------------+ |
| // |
| // There are several constraints on the loading of the image and boot.oat. |
| // |
| // 1. The image is expected to be loaded at an absolute address and |
| // contains Objects with absolute pointers within the image. |
| // |
| // 2. There are absolute pointers from Methods in the image to their |
| // code in the oat. |
| // |
| // 3. There are absolute pointers from the code in the oat to Methods |
| // in the image. |
| // |
| // 4. There are absolute pointers from code in the oat to other code |
| // in the oat. |
| // |
| // To get this all correct, we go through several steps. |
| // |
| // 1. We prepare offsets for all data in the oat file and calculate |
| // the oat data size and code size. During this stage, we also set |
| // oat code offsets in methods for use by the image writer. |
| // |
| // 2. We prepare offsets for the objects in the image and calculate |
| // the image size. |
| // |
| // 3. We create the oat file. Originally this was just our own proprietary |
| // file but now it is contained within an ELF dynamic object (aka an .so |
| // file). Since we know the image size and oat data size and code size we |
| // can prepare the ELF headers and we then know the ELF memory segment |
| // layout and we can now resolve all references. The compiler provides |
| // LinkerPatch information in each CompiledMethod and we resolve these, |
| // using the layout information and image object locations provided by |
| // image writer, as we're writing the method code. |
| // |
| // 4. We create the image file. It needs to know where the oat file |
| // will be loaded after itself. Originally when oat file was simply |
| // memory mapped so we could predict where its contents were based |
| // on the file size. Now that it is an ELF file, we need to inspect |
| // the ELF file to understand the in memory segment layout including |
| // where the oat header is located within. |
| // TODO: We could just remember this information from step 3. |
| // |
| // 5. We fixup the ELF program headers so that dlopen will try to |
| // load the .so at the desired location at runtime by offsetting the |
| // Elf32_Phdr.p_vaddr values by the desired base address. |
| // TODO: Do this in step 3. We already know the layout there. |
| // |
| // Steps 1.-3. are done by the CreateOatFile() above, steps 4.-5. |
| // are done by the CreateImageFile() below. |
| |
| |
| // Write out the generated code part. Calls the OatWriter and ElfBuilder. Also prepares the |
| // ImageWriter, if necessary. |
| // Note: Flushing (and closing) the file is the caller's responsibility, except for the failure |
| // case (when the file will be explicitly erased). |
| bool CreateOatFile() { |
| CHECK(key_value_store_.get() != nullptr); |
| |
| TimingLogger::ScopedTiming t("dex2oat Oat", timings_); |
| |
| std::unique_ptr<OatWriter> oat_writer; |
| { |
| TimingLogger::ScopedTiming t2("dex2oat OatWriter", timings_); |
| std::string image_file_location; |
| uint32_t image_file_location_oat_checksum = 0; |
| uintptr_t image_file_location_oat_data_begin = 0; |
| int32_t image_patch_delta = 0; |
| if (image_) { |
| PrepareImageWriter(image_base_); |
| } else { |
| TimingLogger::ScopedTiming t3("Loading image checksum", timings_); |
| gc::space::ImageSpace* image_space = Runtime::Current()->GetHeap()->GetImageSpace(); |
| image_file_location_oat_checksum = image_space->GetImageHeader().GetOatChecksum(); |
| image_file_location_oat_data_begin = |
| reinterpret_cast<uintptr_t>(image_space->GetImageHeader().GetOatDataBegin()); |
| image_file_location = image_space->GetImageFilename(); |
| image_patch_delta = image_space->GetImageHeader().GetPatchDelta(); |
| } |
| |
| if (!image_file_location.empty()) { |
| key_value_store_->Put(OatHeader::kImageLocationKey, image_file_location); |
| } |
| |
| oat_writer.reset(new OatWriter(dex_files_, image_file_location_oat_checksum, |
| image_file_location_oat_data_begin, |
| image_patch_delta, |
| driver_.get(), |
| image_writer_.get(), |
| timings_, |
| key_value_store_.get())); |
| } |
| |
| if (image_) { |
| // The OatWriter constructor has already updated offsets in methods and we need to |
| // prepare method offsets in the image address space for direct method patching. |
| TimingLogger::ScopedTiming t2("dex2oat Prepare image address space", timings_); |
| if (!image_writer_->PrepareImageAddressSpace()) { |
| LOG(ERROR) << "Failed to prepare image address space."; |
| return false; |
| } |
| } |
| |
| { |
| TimingLogger::ScopedTiming t2("dex2oat Write ELF", timings_); |
| if (!driver_->WriteElf(android_root_, is_host_, dex_files_, oat_writer.get(), |
| oat_file_.get())) { |
| LOG(ERROR) << "Failed to write ELF file " << oat_file_->GetPath(); |
| return false; |
| } |
| } |
| |
| VLOG(compiler) << "Oat file written successfully (unstripped): " << oat_location_; |
| return true; |
| } |
| |
| // If we are compiling an image, invoke the image creation routine. Else just skip. |
| bool HandleImage() { |
| if (image_) { |
| TimingLogger::ScopedTiming t("dex2oat ImageWriter", timings_); |
| if (!CreateImageFile()) { |
| return false; |
| } |
| VLOG(compiler) << "Image written successfully: " << image_filename_; |
| } |
| return true; |
| } |
| |
| // Create a copy from unstripped to stripped. |
| bool CopyUnstrippedToStripped() { |
| // If we don't want to strip in place, copy from unstripped location to stripped location. |
| // We need to strip after image creation because FixupElf needs to use .strtab. |
| if (oat_unstripped_ != oat_stripped_) { |
| // If the oat file is still open, flush it. |
| if (oat_file_.get() != nullptr && oat_file_->IsOpened()) { |
| if (!FlushCloseOatFile()) { |
| return false; |
| } |
| } |
| |
| TimingLogger::ScopedTiming t("dex2oat OatFile copy", timings_); |
| std::unique_ptr<File> in(OS::OpenFileForReading(oat_unstripped_.c_str())); |
| std::unique_ptr<File> out(OS::CreateEmptyFile(oat_stripped_.c_str())); |
| size_t buffer_size = 8192; |
| std::unique_ptr<uint8_t[]> buffer(new uint8_t[buffer_size]); |
| while (true) { |
| int bytes_read = TEMP_FAILURE_RETRY(read(in->Fd(), buffer.get(), buffer_size)); |
| if (bytes_read <= 0) { |
| break; |
| } |
| bool write_ok = out->WriteFully(buffer.get(), bytes_read); |
| CHECK(write_ok); |
| } |
| if (out->FlushCloseOrErase() != 0) { |
| PLOG(ERROR) << "Failed to flush and close copied oat file: " << oat_stripped_; |
| return false; |
| } |
| VLOG(compiler) << "Oat file copied successfully (stripped): " << oat_stripped_; |
| } |
| return true; |
| } |
| |
| bool FlushOatFile() { |
| if (oat_file_.get() != nullptr) { |
| TimingLogger::ScopedTiming t2("dex2oat Flush ELF", timings_); |
| if (oat_file_->Flush() != 0) { |
| PLOG(ERROR) << "Failed to flush oat file: " << oat_location_ << " / " |
| << oat_filename_; |
| oat_file_->Erase(); |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| bool FlushCloseOatFile() { |
| if (oat_file_.get() != nullptr) { |
| std::unique_ptr<File> tmp(oat_file_.release()); |
| if (tmp->FlushCloseOrErase() != 0) { |
| PLOG(ERROR) << "Failed to flush and close oat file: " << oat_location_ << " / " |
| << oat_filename_; |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| void DumpTiming() { |
| if (dump_timing_ || (dump_slow_timing_ && timings_->GetTotalNs() > MsToNs(1000))) { |
| LOG(INFO) << Dumpable<TimingLogger>(*timings_); |
| } |
| if (dump_passes_) { |
| LOG(INFO) << Dumpable<CumulativeLogger>(*driver_->GetTimingsLogger()); |
| } |
| } |
| |
| CompilerOptions* GetCompilerOptions() const { |
| return compiler_options_.get(); |
| } |
| |
| bool IsImage() const { |
| return image_; |
| } |
| |
| bool IsHost() const { |
| return is_host_; |
| } |
| |
| private: |
| static size_t OpenDexFiles(const std::vector<const char*>& dex_filenames, |
| const std::vector<const char*>& dex_locations, |
| std::vector<std::unique_ptr<const DexFile>>* dex_files) { |
| DCHECK(dex_files != nullptr) << "OpenDexFiles out-param is nullptr"; |
| size_t failure_count = 0; |
| for (size_t i = 0; i < dex_filenames.size(); i++) { |
| const char* dex_filename = dex_filenames[i]; |
| const char* dex_location = dex_locations[i]; |
| ATRACE_BEGIN(StringPrintf("Opening dex file '%s'", dex_filenames[i]).c_str()); |
| std::string error_msg; |
| if (!OS::FileExists(dex_filename)) { |
| LOG(WARNING) << "Skipping non-existent dex file '" << dex_filename << "'"; |
| continue; |
| } |
| if (!DexFile::Open(dex_filename, dex_location, &error_msg, dex_files)) { |
| LOG(WARNING) << "Failed to open .dex from file '" << dex_filename << "': " << error_msg; |
| ++failure_count; |
| } |
| ATRACE_END(); |
| } |
| return failure_count; |
| } |
| |
| // Returns true if dex_files has a dex with the named location. We compare canonical locations, |
| // so that relative and absolute paths will match. Not caching for the dex_files isn't very |
| // efficient, but under normal circumstances the list is neither large nor is this part too |
| // sensitive. |
| static bool DexFilesContains(const std::vector<const DexFile*>& dex_files, |
| const std::string& location) { |
| std::string canonical_location(DexFile::GetDexCanonicalLocation(location.c_str())); |
| for (size_t i = 0; i < dex_files.size(); ++i) { |
| if (DexFile::GetDexCanonicalLocation(dex_files[i]->GetLocation().c_str()) == |
| canonical_location) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| // Appends to opened_dex_files any elements of class_path that dex_files |
| // doesn't already contain. This will open those dex files as necessary. |
| static void OpenClassPathFiles(const std::string& class_path, |
| std::vector<const DexFile*> dex_files, |
| std::vector<std::unique_ptr<const DexFile>>* opened_dex_files) { |
| DCHECK(opened_dex_files != nullptr) << "OpenClassPathFiles out-param is nullptr"; |
| std::vector<std::string> parsed; |
| Split(class_path, ':', &parsed); |
| // Take Locks::mutator_lock_ so that lock ordering on the ClassLinker::dex_lock_ is maintained. |
| ScopedObjectAccess soa(Thread::Current()); |
| for (size_t i = 0; i < parsed.size(); ++i) { |
| if (DexFilesContains(dex_files, parsed[i])) { |
| continue; |
| } |
| std::string error_msg; |
| if (!DexFile::Open(parsed[i].c_str(), parsed[i].c_str(), &error_msg, opened_dex_files)) { |
| LOG(WARNING) << "Failed to open dex file '" << parsed[i] << "': " << error_msg; |
| } |
| } |
| } |
| |
| // Create a runtime necessary for compilation. |
| bool CreateRuntime(const RuntimeOptions& runtime_options) |
| SHARED_TRYLOCK_FUNCTION(true, Locks::mutator_lock_) { |
| if (!Runtime::Create(runtime_options, false)) { |
| LOG(ERROR) << "Failed to create runtime"; |
| return false; |
| } |
| Runtime* runtime = Runtime::Current(); |
| runtime->SetInstructionSet(instruction_set_); |
| for (int i = 0; i < Runtime::kLastCalleeSaveType; i++) { |
| Runtime::CalleeSaveType type = Runtime::CalleeSaveType(i); |
| if (!runtime->HasCalleeSaveMethod(type)) { |
| runtime->SetCalleeSaveMethod(runtime->CreateCalleeSaveMethod(), type); |
| } |
| } |
| runtime->GetClassLinker()->FixupDexCaches(runtime->GetResolutionMethod()); |
| |
| // Initialize maps for unstarted runtime. This needs to be here, as running clinits needs this |
| // set up. |
| interpreter::UnstartedRuntime::Initialize(); |
| |
| runtime->GetClassLinker()->RunRootClinits(); |
| runtime_ = runtime; |
| |
| return true; |
| } |
| |
| void PrepareImageWriter(uintptr_t image_base) { |
| image_writer_.reset(new ImageWriter(*driver_, image_base, compiler_options_->GetCompilePic())); |
| } |
| |
| // Let the ImageWriter write the image file. If we do not compile PIC, also fix up the oat file. |
| bool CreateImageFile() |
| REQUIRES(!Locks::mutator_lock_) { |
| CHECK(image_writer_ != nullptr); |
| if (!image_writer_->Write(image_filename_, oat_unstripped_, oat_location_)) { |
| LOG(ERROR) << "Failed to create image file " << image_filename_; |
| return false; |
| } |
| uintptr_t oat_data_begin = image_writer_->GetOatDataBegin(); |
| |
| // Destroy ImageWriter before doing FixupElf. |
| image_writer_.reset(); |
| |
| // Do not fix up the ELF file if we are --compile-pic |
| if (!compiler_options_->GetCompilePic()) { |
| std::unique_ptr<File> oat_file(OS::OpenFileReadWrite(oat_unstripped_.c_str())); |
| if (oat_file.get() == nullptr) { |
| PLOG(ERROR) << "Failed to open ELF file: " << oat_unstripped_; |
| return false; |
| } |
| |
| if (!ElfWriter::Fixup(oat_file.get(), oat_data_begin)) { |
| oat_file->Erase(); |
| LOG(ERROR) << "Failed to fixup ELF file " << oat_file->GetPath(); |
| return false; |
| } |
| |
| if (oat_file->FlushCloseOrErase()) { |
| PLOG(ERROR) << "Failed to flush and close fixed ELF file " << oat_file->GetPath(); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;) |
| static std::unordered_set<std::string>* ReadImageClassesFromFile( |
| const char* image_classes_filename) { |
| std::function<std::string(const char*)> process = DotToDescriptor; |
| return ReadCommentedInputFromFile(image_classes_filename, &process); |
| } |
| |
| // Reads the class names (java.lang.Object) and returns a set of descriptors (Ljava/lang/Object;) |
| static std::unordered_set<std::string>* ReadImageClassesFromZip( |
| const char* zip_filename, |
| const char* image_classes_filename, |
| std::string* error_msg) { |
| std::function<std::string(const char*)> process = DotToDescriptor; |
| return ReadCommentedInputFromZip(zip_filename, image_classes_filename, &process, error_msg); |
| } |
| |
| // Read lines from the given file, dropping comments and empty lines. Post-process each line with |
| // the given function. |
| static std::unordered_set<std::string>* ReadCommentedInputFromFile( |
| const char* input_filename, std::function<std::string(const char*)>* process) { |
| std::unique_ptr<std::ifstream> input_file(new std::ifstream(input_filename, std::ifstream::in)); |
| if (input_file.get() == nullptr) { |
| LOG(ERROR) << "Failed to open input file " << input_filename; |
| return nullptr; |
| } |
| std::unique_ptr<std::unordered_set<std::string>> result( |
| ReadCommentedInputStream(*input_file, process)); |
| input_file->close(); |
| return result.release(); |
| } |
| |
| // Read lines from the given file from the given zip file, dropping comments and empty lines. |
| // Post-process each line with the given function. |
| static std::unordered_set<std::string>* ReadCommentedInputFromZip( |
| const char* zip_filename, |
| const char* input_filename, |
| std::function<std::string(const char*)>* process, |
| std::string* error_msg) { |
| std::unique_ptr<ZipArchive> zip_archive(ZipArchive::Open(zip_filename, error_msg)); |
| if (zip_archive.get() == nullptr) { |
| return nullptr; |
| } |
| std::unique_ptr<ZipEntry> zip_entry(zip_archive->Find(input_filename, error_msg)); |
| if (zip_entry.get() == nullptr) { |
| *error_msg = StringPrintf("Failed to find '%s' within '%s': %s", input_filename, |
| zip_filename, error_msg->c_str()); |
| return nullptr; |
| } |
| std::unique_ptr<MemMap> input_file(zip_entry->ExtractToMemMap(zip_filename, |
| input_filename, |
| error_msg)); |
| if (input_file.get() == nullptr) { |
| *error_msg = StringPrintf("Failed to extract '%s' from '%s': %s", input_filename, |
| zip_filename, error_msg->c_str()); |
| return nullptr; |
| } |
| const std::string input_string(reinterpret_cast<char*>(input_file->Begin()), |
| input_file->Size()); |
| std::istringstream input_stream(input_string); |
| return ReadCommentedInputStream(input_stream, process); |
| } |
| |
| // Read lines from the given stream, dropping comments and empty lines. Post-process each line |
| // with the given function. |
| static std::unordered_set<std::string>* ReadCommentedInputStream( |
| std::istream& in_stream, |
| std::function<std::string(const char*)>* process) { |
| std::unique_ptr<std::unordered_set<std::string>> image_classes( |
| new std::unordered_set<std::string>); |
| while (in_stream.good()) { |
| std::string dot; |
| std::getline(in_stream, dot); |
| if (StartsWith(dot, "#") || dot.empty()) { |
| continue; |
| } |
| if (process != nullptr) { |
| std::string descriptor((*process)(dot.c_str())); |
| image_classes->insert(descriptor); |
| } else { |
| image_classes->insert(dot); |
| } |
| } |
| return image_classes.release(); |
| } |
| |
| void LogCompletionTime() { |
| // Note: when creation of a runtime fails, e.g., when trying to compile an app but when there |
| // is no image, there won't be a Runtime::Current(). |
| // Note: driver creation can fail when loading an invalid dex file. |
| LOG(INFO) << "dex2oat took " << PrettyDuration(NanoTime() - start_ns_) |
| << " (threads: " << thread_count_ << ") " |
| << ((Runtime::Current() != nullptr && driver_.get() != nullptr) ? |
| driver_->GetMemoryUsageString(kIsDebugBuild || VLOG_IS_ON(compiler)) : |
| ""); |
| } |
| |
| std::unique_ptr<CompilerOptions> compiler_options_; |
| Compiler::Kind compiler_kind_; |
| |
| InstructionSet instruction_set_; |
| std::unique_ptr<const InstructionSetFeatures> instruction_set_features_; |
| |
| std::unique_ptr<SafeMap<std::string, std::string> > key_value_store_; |
| |
| std::unique_ptr<VerificationResults> verification_results_; |
| DexFileToMethodInlinerMap method_inliner_map_; |
| std::unique_ptr<QuickCompilerCallbacks> callbacks_; |
| |
| // Ownership for the class path files. |
| std::vector<std::unique_ptr<const DexFile>> class_path_files_; |
| |
| // Not a unique_ptr as we want to just exit on non-debug builds, not bringing the runtime down |
| // in an orderly fashion. The destructor takes care of deleting this. |
| Runtime* runtime_; |
| |
| size_t thread_count_; |
| uint64_t start_ns_; |
| std::unique_ptr<WatchDog> watchdog_; |
| std::unique_ptr<File> oat_file_; |
| std::string oat_stripped_; |
| std::string oat_unstripped_; |
| std::string oat_location_; |
| std::string oat_filename_; |
| int oat_fd_; |
| std::vector<const char*> dex_filenames_; |
| std::vector<const char*> dex_locations_; |
| int zip_fd_; |
| std::string zip_location_; |
| std::string boot_image_option_; |
| std::vector<const char*> runtime_args_; |
| std::string image_filename_; |
| uintptr_t image_base_; |
| const char* image_classes_zip_filename_; |
| const char* image_classes_filename_; |
| const char* compiled_classes_zip_filename_; |
| const char* compiled_classes_filename_; |
| const char* compiled_methods_zip_filename_; |
| const char* compiled_methods_filename_; |
| std::unique_ptr<std::unordered_set<std::string>> image_classes_; |
| std::unique_ptr<std::unordered_set<std::string>> compiled_classes_; |
| std::unique_ptr<std::unordered_set<std::string>> compiled_methods_; |
| bool image_; |
| std::unique_ptr<ImageWriter> image_writer_; |
| bool is_host_; |
| std::string android_root_; |
| std::vector<const DexFile*> dex_files_; |
| std::vector<std::unique_ptr<const DexFile>> opened_dex_files_; |
| std::unique_ptr<CompilerDriver> driver_; |
| std::vector<std::string> verbose_methods_; |
| bool dump_stats_; |
| bool dump_passes_; |
| bool dump_timing_; |
| bool dump_slow_timing_; |
| std::string dump_cfg_file_name_; |
| std::string swap_file_name_; |
| int swap_fd_; |
| std::string profile_file_; // Profile file to use |
| TimingLogger* timings_; |
| std::unique_ptr<CumulativeLogger> compiler_phases_timings_; |
| std::unique_ptr<std::ostream> init_failure_output_; |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Dex2Oat); |
| }; |
| |
| static void b13564922() { |
| #if defined(__linux__) && defined(__arm__) |
| int major, minor; |
| struct utsname uts; |
| if (uname(&uts) != -1 && |
| sscanf(uts.release, "%d.%d", &major, &minor) == 2 && |
| ((major < 3) || ((major == 3) && (minor < 4)))) { |
| // Kernels before 3.4 don't handle the ASLR well and we can run out of address |
| // space (http://b/13564922). Work around the issue by inhibiting further mmap() randomization. |
| int old_personality = personality(0xffffffff); |
| if ((old_personality & ADDR_NO_RANDOMIZE) == 0) { |
| int new_personality = personality(old_personality | ADDR_NO_RANDOMIZE); |
| if (new_personality == -1) { |
| LOG(WARNING) << "personality(. | ADDR_NO_RANDOMIZE) failed."; |
| } |
| } |
| } |
| #endif |
| } |
| |
| static int CompileImage(Dex2Oat& dex2oat) { |
| dex2oat.Compile(); |
| |
| // Create the boot.oat. |
| if (!dex2oat.CreateOatFile()) { |
| dex2oat.EraseOatFile(); |
| return EXIT_FAILURE; |
| } |
| |
| // Flush and close the boot.oat. We always expect the output file by name, and it will be |
| // re-opened from the unstripped name. |
| if (!dex2oat.FlushCloseOatFile()) { |
| return EXIT_FAILURE; |
| } |
| |
| // Creates the boot.art and patches the boot.oat. |
| if (!dex2oat.HandleImage()) { |
| return EXIT_FAILURE; |
| } |
| |
| // When given --host, finish early without stripping. |
| if (dex2oat.IsHost()) { |
| dex2oat.DumpTiming(); |
| return EXIT_SUCCESS; |
| } |
| |
| // Copy unstripped to stripped location, if necessary. |
| if (!dex2oat.CopyUnstrippedToStripped()) { |
| return EXIT_FAILURE; |
| } |
| |
| // FlushClose again, as stripping might have re-opened the oat file. |
| if (!dex2oat.FlushCloseOatFile()) { |
| return EXIT_FAILURE; |
| } |
| |
| dex2oat.DumpTiming(); |
| return EXIT_SUCCESS; |
| } |
| |
| static int CompileApp(Dex2Oat& dex2oat) { |
| dex2oat.Compile(); |
| |
| // Create the app oat. |
| if (!dex2oat.CreateOatFile()) { |
| dex2oat.EraseOatFile(); |
| return EXIT_FAILURE; |
| } |
| |
| // Do not close the oat file here. We might haven gotten the output file by file descriptor, |
| // which we would lose. |
| if (!dex2oat.FlushOatFile()) { |
| return EXIT_FAILURE; |
| } |
| |
| // When given --host, finish early without stripping. |
| if (dex2oat.IsHost()) { |
| if (!dex2oat.FlushCloseOatFile()) { |
| return EXIT_FAILURE; |
| } |
| |
| dex2oat.DumpTiming(); |
| return EXIT_SUCCESS; |
| } |
| |
| // Copy unstripped to stripped location, if necessary. This will implicitly flush & close the |
| // unstripped version. If this is given, we expect to be able to open writable files by name. |
| if (!dex2oat.CopyUnstrippedToStripped()) { |
| return EXIT_FAILURE; |
| } |
| |
| // Flush and close the file. |
| if (!dex2oat.FlushCloseOatFile()) { |
| return EXIT_FAILURE; |
| } |
| |
| dex2oat.DumpTiming(); |
| return EXIT_SUCCESS; |
| } |
| |
| static int dex2oat(int argc, char** argv) { |
| b13564922(); |
| |
| TimingLogger timings("compiler", false, false); |
| |
| Dex2Oat dex2oat(&timings); |
| |
| // Parse arguments. Argument mistakes will lead to exit(EXIT_FAILURE) in UsageError. |
| dex2oat.ParseArgs(argc, argv); |
| |
| // Check early that the result of compilation can be written |
| if (!dex2oat.OpenFile()) { |
| return EXIT_FAILURE; |
| } |
| |
| // Print the complete line when any of the following is true: |
| // 1) Debug build |
| // 2) Compiling an image |
| // 3) Compiling with --host |
| // 4) Compiling on the host (not a target build) |
| // Otherwise, print a stripped command line. |
| if (kIsDebugBuild || dex2oat.IsImage() || dex2oat.IsHost() || !kIsTargetBuild) { |
| LOG(INFO) << CommandLine(); |
| } else { |
| LOG(INFO) << StrippedCommandLine(); |
| } |
| |
| if (!dex2oat.Setup()) { |
| dex2oat.EraseOatFile(); |
| return EXIT_FAILURE; |
| } |
| |
| if (dex2oat.IsImage()) { |
| return CompileImage(dex2oat); |
| } else { |
| return CompileApp(dex2oat); |
| } |
| } |
| } // namespace art |
| |
| int main(int argc, char** argv) { |
| int result = art::dex2oat(argc, argv); |
| // Everything was done, do an explicit exit here to avoid running Runtime destructors that take |
| // time (bug 10645725) unless we're a debug build or running on valgrind. Note: The Dex2Oat class |
| // should not destruct the runtime in this case. |
| if (!art::kIsDebugBuild && (RUNNING_ON_MEMORY_TOOL == 0)) { |
| exit(result); |
| } |
| return result; |
| } |