| /* |
| * 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 "llvm_compiler.h" |
| |
| #ifdef ART_USE_PORTABLE_COMPILER |
| #include "compiler.h" |
| #include "compiler_llvm.h" |
| #include "dex/portable/mir_to_gbc.h" |
| #include "dex_file.h" |
| #include "elf_writer_mclinker.h" |
| #include "mirror/art_method-inl.h" |
| #endif |
| |
| namespace art { |
| |
| #ifdef ART_USE_PORTABLE_COMPILER |
| |
| namespace llvm { |
| |
| // Thread-local storage compiler worker threads |
| class LLVMCompilerTls : public CompilerTls { |
| public: |
| LLVMCompilerTls() : llvm_info_(nullptr) {} |
| ~LLVMCompilerTls() {} |
| |
| void* GetLLVMInfo() { return llvm_info_; } |
| |
| void SetLLVMInfo(void* llvm_info) { llvm_info_ = llvm_info; } |
| |
| private: |
| void* llvm_info_; |
| }; |
| |
| |
| |
| class LLVMCompiler FINAL : public Compiler { |
| public: |
| explicit LLVMCompiler(CompilerDriver* driver) : Compiler(driver, 1000) {} |
| |
| CompilerTls* CreateNewCompilerTls() { |
| return new LLVMCompilerTls(); |
| } |
| |
| void Init() const OVERRIDE { |
| ArtInitCompilerContext(GetCompilerDriver()); |
| } |
| |
| void UnInit() const OVERRIDE { |
| ArtUnInitCompilerContext(GetCompilerDriver()); |
| } |
| |
| bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file, CompilationUnit* cu) const |
| OVERRIDE { |
| return true; |
| } |
| |
| CompiledMethod* Compile(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 OVERRIDE { |
| CompiledMethod* method = TryCompileWithSeaIR(code_item, |
| access_flags, |
| invoke_type, |
| class_def_idx, |
| method_idx, |
| class_loader, |
| dex_file); |
| if (method != nullptr) { |
| return method; |
| } |
| |
| return ArtCompileMethod(GetCompilerDriver(), |
| code_item, |
| access_flags, |
| invoke_type, |
| class_def_idx, |
| method_idx, |
| class_loader, |
| dex_file); |
| } |
| |
| CompiledMethod* JniCompile(uint32_t access_flags, |
| uint32_t method_idx, |
| const DexFile& dex_file) const OVERRIDE { |
| return ArtLLVMJniCompileMethod(GetCompilerDriver(), 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); |
| }; |
| |
| } // namespace llvm |
| #endif |
| |
| Compiler* CreateLLVMCompiler(CompilerDriver* driver) { |
| #ifdef ART_USE_PORTABLE_COMPILER |
| return new llvm::LLVMCompiler(driver); |
| #else |
| return nullptr; |
| #endif |
| } |
| |
| } // namespace art |