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Diffstat (limited to 'compiler/compiler.cc')
| -rw-r--r-- | compiler/compiler.cc | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/compiler/compiler.cc b/compiler/compiler.cc new file mode 100644 index 0000000..c88c38e --- /dev/null +++ b/compiler/compiler.cc @@ -0,0 +1,206 @@ +/* + * Copyright (C) 2014 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.h" +#include "compilers.h" +#include "driver/compiler_driver.h" +#include "mirror/art_method-inl.h" + +#ifdef ART_USE_PORTABLE_COMPILER +#include "dex/portable/mir_to_gbc.h" +#include "elf_writer_mclinker.h" +#endif + +namespace art { + +#ifdef ART_SEA_IR_MODE +extern "C" art::CompiledMethod* SeaIrCompileMethod(art::CompilerDriver& driver, + const art::DexFile::CodeItem* code_item, + uint32_t access_flags, + art::InvokeType invoke_type, + uint16_t class_def_idx, + uint32_t method_idx, + jobject class_loader, + const art::DexFile& dex_file); +#endif + + +CompiledMethod* Compiler::TryCompileWithSeaIR(art::CompilerDriver& driver, + const art::DexFile::CodeItem* code_item, + uint32_t access_flags, + art::InvokeType invoke_type, + uint16_t class_def_idx, + uint32_t method_idx, + jobject class_loader, + const art::DexFile& dex_file) { +#ifdef ART_SEA_IR_MODE + bool use_sea = Runtime::Current()->IsSeaIRMode(); + use_sea = use_sea && + (std::string::npos != PrettyMethod(method_idx, dex_file).find("fibonacci")); + if (use_sea) { + LOG(INFO) << "Using SEA IR to compile..." << std::endl; + return SeaIrCompileMethod(compiler, + code_item, + access_flags, + invoke_type, + class_def_idx, + method_idx, + class_loader, + dex_file); + } +#endif + return nullptr; +} + + +#ifdef ART_USE_PORTABLE_COMPILER + +extern "C" void ArtInitCompilerContext(art::CompilerDriver& driver); + +extern "C" void ArtUnInitCompilerContext(art::CompilerDriver& driver); + +extern "C" art::CompiledMethod* ArtCompileMethod(art::CompilerDriver& driver, + const art::DexFile::CodeItem* code_item, + uint32_t access_flags, + art::InvokeType invoke_type, + uint16_t class_def_idx, + uint32_t method_idx, + jobject class_loader, + const art::DexFile& dex_file); + +extern "C" art::CompiledMethod* ArtLLVMJniCompileMethod(art::CompilerDriver& driver, + uint32_t access_flags, uint32_t method_idx, + const art::DexFile& dex_file); + +extern "C" void compilerLLVMSetBitcodeFileName(art::CompilerDriver& driver, + std::string const& filename); + + +class LLVMCompiler : public Compiler { + public: + LLVMCompiler() : Compiler(1000) {} + + void Init(CompilerDriver& driver) const { + ArtInitCompilerContext(driver); + } + + void UnInit(CompilerDriver& driver) const { + ArtUnInitCompilerContext(driver); + } + + CompiledMethod* Compile(CompilerDriver& driver, + const DexFile::CodeItem* code_item, + uint32_t access_flags, + InvokeType invoke_type, + uint16_t class_def_idx, + uint32_t method_idx, + jobject class_loader, + const DexFile& dex_file) const { + CompiledMethod* method = TryCompileWithSeaIR(driver, + code_item, + access_flags, + invoke_type, + class_def_idx, + method_idx, + class_loader, + dex_file); + if (method != nullptr) return method; + + return ArtCompileMethod(compiler, + code_item, + access_flags, + invoke_type, + class_def_idx, + method_idx, + class_loader, + dex_file); + } + + CompiledMethod* JniCompile(CompilerDriver& driver, + uint32_t access_flags, + uint32_t method_idx, + const DexFile& dex_file) const { + return ArtLLVMJniCompileMethod(driver, access_flags, method_idx, dex_file); + } + + uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const { + return reinterpret_cast<uintptr_t>(method->GetEntryPointFromPortableCompiledCode()); + } + + bool WriteElf(art::File* file, + OatWriter* oat_writer, + const std::vector<const art::DexFile*>& dex_files, + const std::string& android_root, + bool is_host, const CompilerDriver& driver) const + OVERRIDE + SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) { + return art::ElfWriterMclinker::Create( + file, oat_writer, dex_files, android_root, is_host, driver); + } + + Backend* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const { + return PortableCodeGenerator( + cu, cu->mir_graph.get(), &cu->arena, + reinterpret_cast<art::llvm::LlvmCompilationUnit*>(compilation_unit)); + } + + void InitCompilationUnit(CompilationUnit& cu) const { + // Fused long branches not currently useful in bitcode. + cu.disable_opt |= + (1 << kBranchFusing) | + (1 << kSuppressExceptionEdges); + } + + bool IsPortable() const OVERRIDE { + return true; + } + + void SetBitcodeFileName(const CompilerDriver& driver, const std::string& filename) { + typedef void (*SetBitcodeFileNameFn)(const CompilerDriver&, const std::string&); + + SetBitcodeFileNameFn set_bitcode_file_name = + reinterpret_cast<SetBitcodeFileNameFn>(compilerLLVMSetBitcodeFileName); + + set_bitcode_file_name(driver, filename); + } + + private: + DISALLOW_COPY_AND_ASSIGN(LLVMCompiler); +}; +#endif + +Compiler* Compiler::Create(Compiler::Kind kind) { + switch (kind) { + case kQuick: + return new QuickCompiler(); + break; + case kOptimizing: + return new OptimizingCompiler(); + break; + case kPortable: +#ifdef ART_USE_PORTABLE_COMPILER + return new LLVMCompiler(); +#else + LOG(FATAL) << "Portable compiler not compiled"; +#endif + break; + default: + LOG(FATAL) << "UNREACHABLE"; + } + return nullptr; +} + +} // namespace art |