compiler.h revision b0fa5dc7769c1e054032f39de0a3f6d6dd06f8cf
1/* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ART_COMPILER_COMPILER_H_ 18#define ART_COMPILER_COMPILER_H_ 19 20#include "dex_file.h" 21#include "os.h" 22 23namespace art { 24 25class Backend; 26struct CompilationUnit; 27class CompilerDriver; 28class CompiledMethod; 29class MIRGraph; 30class OatWriter; 31 32namespace mirror { 33 class ArtMethod; 34} 35 36class Compiler { 37 public: 38 enum Kind { 39 kQuick, 40 kOptimizing, 41 kPortable 42 }; 43 44 explicit Compiler(uint64_t warning) 45 : maximum_compilation_time_before_warning_(warning) { 46 } 47 48 static Compiler* Create(Kind kind); 49 50 virtual void Init(CompilerDriver& driver) const = 0; 51 52 virtual void UnInit(CompilerDriver& driver) const = 0; 53 54 virtual CompiledMethod* Compile(CompilerDriver& driver, 55 const DexFile::CodeItem* code_item, 56 uint32_t access_flags, 57 InvokeType invoke_type, 58 uint16_t class_def_idx, 59 uint32_t method_idx, 60 jobject class_loader, 61 const DexFile& dex_file) const = 0; 62 63 static CompiledMethod* TryCompileWithSeaIR(art::CompilerDriver& driver, 64 const art::DexFile::CodeItem* code_item, 65 uint32_t access_flags, 66 art::InvokeType invoke_type, 67 uint16_t class_def_idx, 68 uint32_t method_idx, 69 jobject class_loader, 70 const art::DexFile& dex_file); 71 72 virtual CompiledMethod* JniCompile(CompilerDriver& driver, 73 uint32_t access_flags, 74 uint32_t method_idx, 75 const DexFile& dex_file) const = 0; 76 77 virtual uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const 78 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 79 80 virtual bool WriteElf(art::File* file, 81 OatWriter* oat_writer, 82 const std::vector<const art::DexFile*>& dex_files, 83 const std::string& android_root, 84 bool is_host, const CompilerDriver& driver) const 85 SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) = 0; 86 87 virtual Backend* GetCodeGenerator(CompilationUnit* cu, 88 void* compilation_unit) const = 0; 89 90 uint64_t GetMaximumCompilationTimeBeforeWarning() const { 91 return maximum_compilation_time_before_warning_; 92 } 93 94 virtual bool IsPortable() const { 95 return false; 96 } 97 98 void SetBitcodeFileName(const CompilerDriver& driver, const std::string& filename) { 99 UNUSED(driver); 100 UNUSED(filename); 101 } 102 103 virtual void InitCompilationUnit(CompilationUnit& cu) const = 0; 104 105 virtual ~Compiler() {} 106 107 /* 108 * @brief Generate and return Dwarf CFI initialization, if supported by the 109 * backend. 110 * @param driver CompilerDriver for this compile. 111 * @returns nullptr if not supported by backend or a vector of bytes for CFI DWARF 112 * information. 113 * @note This is used for backtrace information in generated code. 114 */ 115 virtual std::vector<uint8_t>* GetCallFrameInformationInitialization(const CompilerDriver& driver) 116 const { 117 return nullptr; 118 } 119 120 private: 121 const uint64_t maximum_compilation_time_before_warning_; 122 123 DISALLOW_COPY_AND_ASSIGN(Compiler); 124}; 125 126} // namespace art 127 128#endif // ART_COMPILER_COMPILER_H_ 129