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 "base/macros.h" 21 #include "base/mutex.h" 22 #include "base/os.h" 23 #include "compilation_kind.h" 24 #include "dex/invoke_type.h" 25 26 namespace art HIDDEN { 27 28 namespace dex { 29 struct CodeItem; 30 } // namespace dex 31 namespace jit { 32 class JitCodeCache; 33 class JitLogger; 34 class JitMemoryRegion; 35 } // namespace jit 36 namespace mirror { 37 class ClassLoader; 38 class DexCache; 39 } // namespace mirror 40 41 class ArtMethod; 42 class CompiledCodeStorage; 43 class CompiledMethod; 44 class CompilerOptions; 45 class DexFile; 46 template<class T> class Handle; 47 class Thread; 48 49 class Compiler { 50 public: 51 EXPORT static Compiler* Create(const CompilerOptions& compiler_options, 52 CompiledCodeStorage* storage); 53 54 virtual bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file) const = 0; 55 56 virtual CompiledMethod* Compile(const dex::CodeItem* code_item, 57 uint32_t access_flags, 58 InvokeType invoke_type, 59 uint16_t class_def_idx, 60 uint32_t method_idx, 61 Handle<mirror::ClassLoader> class_loader, 62 const DexFile& dex_file, 63 Handle<mirror::DexCache> dex_cache) const = 0; 64 65 virtual CompiledMethod* JniCompile(uint32_t access_flags, 66 uint32_t method_idx, 67 const DexFile& dex_file, 68 Handle<mirror::DexCache> dex_cache) const = 0; 69 JitCompile(Thread * self,jit::JitCodeCache * code_cache,jit::JitMemoryRegion * region,ArtMethod * method,CompilationKind compilation_kind,jit::JitLogger * jit_logger)70 virtual bool JitCompile([[maybe_unused]] Thread* self, 71 [[maybe_unused]] jit::JitCodeCache* code_cache, 72 [[maybe_unused]] jit::JitMemoryRegion* region, 73 [[maybe_unused]] ArtMethod* method, 74 [[maybe_unused]] CompilationKind compilation_kind, 75 [[maybe_unused]] jit::JitLogger* jit_logger) 76 REQUIRES_SHARED(Locks::mutator_lock_) { 77 return false; 78 } 79 80 virtual uintptr_t GetEntryPointOf(ArtMethod* method) const 81 REQUIRES_SHARED(Locks::mutator_lock_) = 0; 82 GetMaximumCompilationTimeBeforeWarning()83 uint64_t GetMaximumCompilationTimeBeforeWarning() const { 84 return maximum_compilation_time_before_warning_; 85 } 86 ~Compiler()87 virtual ~Compiler() {} 88 89 // Returns whether the method to compile is such a pathological case that 90 // it's not worth compiling. 91 static bool IsPathologicalCase(const dex::CodeItem& code_item, 92 uint32_t method_idx, 93 const DexFile& dex_file); 94 95 protected: Compiler(const CompilerOptions & compiler_options,CompiledCodeStorage * storage,uint64_t warning)96 Compiler(const CompilerOptions& compiler_options, 97 CompiledCodeStorage* storage, 98 uint64_t warning) : 99 compiler_options_(compiler_options), 100 storage_(storage), 101 maximum_compilation_time_before_warning_(warning) { 102 } 103 GetCompilerOptions()104 const CompilerOptions& GetCompilerOptions() const { 105 return compiler_options_; 106 } 107 GetCompiledCodeStorage()108 CompiledCodeStorage* GetCompiledCodeStorage() const { 109 return storage_; 110 } 111 112 private: 113 const CompilerOptions& compiler_options_; 114 CompiledCodeStorage* const storage_; 115 const uint64_t maximum_compilation_time_before_warning_; 116 117 DISALLOW_COPY_AND_ASSIGN(Compiler); 118 }; 119 120 } // namespace art 121 122 #endif // ART_COMPILER_COMPILER_H_ 123