| /* |
| * Copyright (C) 2015 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 "compiler_options.h" |
| |
| #include <fstream> |
| |
| #include "android-base/stringprintf.h" |
| |
| #include "arch/instruction_set.h" |
| #include "arch/instruction_set_features.h" |
| #include "base/runtime_debug.h" |
| #include "base/variant_map.h" |
| #include "cmdline_parser.h" |
| #include "compiler_options_map-inl.h" |
| #include "runtime.h" |
| #include "simple_compiler_options_map.h" |
| |
| namespace art { |
| |
| CompilerOptions::CompilerOptions() |
| : compiler_filter_(CompilerFilter::kDefaultCompilerFilter), |
| huge_method_threshold_(kDefaultHugeMethodThreshold), |
| large_method_threshold_(kDefaultLargeMethodThreshold), |
| small_method_threshold_(kDefaultSmallMethodThreshold), |
| tiny_method_threshold_(kDefaultTinyMethodThreshold), |
| num_dex_methods_threshold_(kDefaultNumDexMethodsThreshold), |
| inline_max_code_units_(kUnsetInlineMaxCodeUnits), |
| instruction_set_(kRuntimeISA == InstructionSet::kArm ? InstructionSet::kThumb2 : kRuntimeISA), |
| instruction_set_features_(nullptr), |
| no_inline_from_(), |
| dex_files_for_oat_file_(), |
| image_classes_(), |
| boot_image_(false), |
| core_image_(false), |
| app_image_(false), |
| baseline_(false), |
| debuggable_(false), |
| generate_debug_info_(kDefaultGenerateDebugInfo), |
| generate_mini_debug_info_(kDefaultGenerateMiniDebugInfo), |
| generate_build_id_(false), |
| implicit_null_checks_(true), |
| implicit_so_checks_(true), |
| implicit_suspend_checks_(false), |
| compile_pic_(false), |
| dump_timings_(false), |
| dump_pass_timings_(false), |
| dump_stats_(false), |
| top_k_profile_threshold_(kDefaultTopKProfileThreshold), |
| profile_compilation_info_(nullptr), |
| verbose_methods_(), |
| abort_on_hard_verifier_failure_(false), |
| abort_on_soft_verifier_failure_(false), |
| init_failure_output_(nullptr), |
| dump_cfg_file_name_(""), |
| dump_cfg_append_(false), |
| force_determinism_(false), |
| deduplicate_code_(true), |
| count_hotness_in_compiled_code_(false), |
| resolve_startup_const_strings_(false), |
| register_allocation_strategy_(RegisterAllocator::kRegisterAllocatorDefault), |
| passes_to_run_(nullptr) { |
| } |
| |
| CompilerOptions::~CompilerOptions() { |
| // Everything done by member destructors. |
| // The definitions of classes forward-declared in the header have now been #included. |
| } |
| |
| namespace { |
| |
| bool kEmitRuntimeReadBarrierChecks = kIsDebugBuild && |
| RegisterRuntimeDebugFlag(&kEmitRuntimeReadBarrierChecks); |
| |
| } // namespace |
| |
| bool CompilerOptions::EmitRunTimeChecksInDebugMode() const { |
| // Run-time checks (e.g. Marking Register checks) are only emitted in slow-debug mode. |
| return kEmitRuntimeReadBarrierChecks; |
| } |
| |
| bool CompilerOptions::ParseDumpInitFailures(const std::string& option, std::string* error_msg) { |
| init_failure_output_.reset(new std::ofstream(option)); |
| if (init_failure_output_.get() == nullptr) { |
| *error_msg = "Failed to construct std::ofstream"; |
| return false; |
| } else if (init_failure_output_->fail()) { |
| *error_msg = android::base::StringPrintf( |
| "Failed to open %s for writing the initialization failures.", option.c_str()); |
| init_failure_output_.reset(); |
| return false; |
| } |
| return true; |
| } |
| |
| bool CompilerOptions::ParseRegisterAllocationStrategy(const std::string& option, |
| std::string* error_msg) { |
| if (option == "linear-scan") { |
| register_allocation_strategy_ = RegisterAllocator::Strategy::kRegisterAllocatorLinearScan; |
| } else if (option == "graph-color") { |
| register_allocation_strategy_ = RegisterAllocator::Strategy::kRegisterAllocatorGraphColor; |
| } else { |
| *error_msg = "Unrecognized register allocation strategy. Try linear-scan, or graph-color."; |
| return false; |
| } |
| return true; |
| } |
| |
| bool CompilerOptions::ParseCompilerOptions(const std::vector<std::string>& options, |
| bool ignore_unrecognized, |
| std::string* error_msg) { |
| auto parser = CreateSimpleParser(ignore_unrecognized); |
| CmdlineResult parse_result = parser.Parse(options); |
| if (!parse_result.IsSuccess()) { |
| *error_msg = parse_result.GetMessage(); |
| return false; |
| } |
| |
| SimpleParseArgumentMap args = parser.ReleaseArgumentsMap(); |
| return ReadCompilerOptions(args, this, error_msg); |
| } |
| |
| bool CompilerOptions::IsImageClass(const char* descriptor) const { |
| // Historical note: We used to hold the set indirectly and there was a distinction between an |
| // empty set and a null, null meaning to include all classes. However, the distiction has been |
| // removed; if we don't have a profile, we treat it as an empty set of classes. b/77340429 |
| return image_classes_.find(StringPiece(descriptor)) != image_classes_.end(); |
| } |
| |
| } // namespace art |