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/mutex.h" 21 #include "base/os.h" 22 #include "dex/invoke_type.h" 23 24 namespace art { 25 26 namespace dex { 27 struct CodeItem; 28 } // namespace dex 29 namespace jit { 30 class JitCodeCache; 31 class JitLogger; 32 } // namespace jit 33 namespace mirror { 34 class ClassLoader; 35 class DexCache; 36 } // namespace mirror 37 38 class ArtMethod; 39 class CompiledMethod; 40 class CompiledMethodStorage; 41 class CompilerOptions; 42 class DexFile; 43 template<class T> class Handle; 44 class OatWriter; 45 class Thread; 46 47 class Compiler { 48 public: 49 enum Kind { 50 kQuick, 51 kOptimizing 52 }; 53 54 static Compiler* Create(const CompilerOptions& compiler_options, 55 CompiledMethodStorage* storage, 56 Kind kind); 57 58 virtual bool CanCompileMethod(uint32_t method_idx, const DexFile& dex_file) const = 0; 59 60 virtual CompiledMethod* Compile(const dex::CodeItem* code_item, 61 uint32_t access_flags, 62 InvokeType invoke_type, 63 uint16_t class_def_idx, 64 uint32_t method_idx, 65 Handle<mirror::ClassLoader> class_loader, 66 const DexFile& dex_file, 67 Handle<mirror::DexCache> dex_cache) const = 0; 68 69 virtual CompiledMethod* JniCompile(uint32_t access_flags, 70 uint32_t method_idx, 71 const DexFile& dex_file, 72 Handle<mirror::DexCache> dex_cache) const = 0; 73 JitCompile(Thread * self ATTRIBUTE_UNUSED,jit::JitCodeCache * code_cache ATTRIBUTE_UNUSED,ArtMethod * method ATTRIBUTE_UNUSED,bool baseline ATTRIBUTE_UNUSED,bool osr ATTRIBUTE_UNUSED,jit::JitLogger * jit_logger ATTRIBUTE_UNUSED)74 virtual bool JitCompile(Thread* self ATTRIBUTE_UNUSED, 75 jit::JitCodeCache* code_cache ATTRIBUTE_UNUSED, 76 ArtMethod* method ATTRIBUTE_UNUSED, 77 bool baseline ATTRIBUTE_UNUSED, 78 bool osr ATTRIBUTE_UNUSED, 79 jit::JitLogger* jit_logger ATTRIBUTE_UNUSED) 80 REQUIRES_SHARED(Locks::mutator_lock_) { 81 return false; 82 } 83 84 virtual uintptr_t GetEntryPointOf(ArtMethod* method) const 85 REQUIRES_SHARED(Locks::mutator_lock_) = 0; 86 GetMaximumCompilationTimeBeforeWarning()87 uint64_t GetMaximumCompilationTimeBeforeWarning() const { 88 return maximum_compilation_time_before_warning_; 89 } 90 ~Compiler()91 virtual ~Compiler() {} 92 93 // Returns whether the method to compile is such a pathological case that 94 // it's not worth compiling. 95 static bool IsPathologicalCase(const dex::CodeItem& code_item, 96 uint32_t method_idx, 97 const DexFile& dex_file); 98 99 protected: Compiler(const CompilerOptions & compiler_options,CompiledMethodStorage * storage,uint64_t warning)100 Compiler(const CompilerOptions& compiler_options, 101 CompiledMethodStorage* storage, 102 uint64_t warning) : 103 compiler_options_(compiler_options), 104 storage_(storage), 105 maximum_compilation_time_before_warning_(warning) { 106 } 107 GetCompilerOptions()108 const CompilerOptions& GetCompilerOptions() const { 109 return compiler_options_; 110 } 111 GetCompiledMethodStorage()112 CompiledMethodStorage* GetCompiledMethodStorage() const { 113 return storage_; 114 } 115 116 private: 117 const CompilerOptions& compiler_options_; 118 CompiledMethodStorage* const storage_; 119 const uint64_t maximum_compilation_time_before_warning_; 120 121 DISALLOW_COPY_AND_ASSIGN(Compiler); 122 }; 123 124 } // namespace art 125 126 #endif // ART_COMPILER_COMPILER_H_ 127