compilers.h revision b34f69ab43aaf7a6e6045c95f398baf566ef5023 
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_COMPILERS_H_
18#define ART_COMPILER_COMPILERS_H_
19
20#include "compiler.h"
21
22namespace art {
23
24class QuickCompiler : public Compiler {
25 public:
26  QuickCompiler() : Compiler(100) {}
27
28  void Init(CompilerDriver& driver) const;
29
30  void UnInit(CompilerDriver& driver) const;
31
32  CompiledMethod* Compile(CompilerDriver& driver,
33                          const DexFile::CodeItem* code_item,
34                          uint32_t access_flags,
35                          InvokeType invoke_type,
36                          uint16_t class_def_idx,
37                          uint32_t method_idx,
38                          jobject class_loader,
39                          const DexFile& dex_file) const;
40
41  CompiledMethod* JniCompile(CompilerDriver& driver,
42                             uint32_t access_flags,
43                             uint32_t method_idx,
44                             const DexFile& dex_file) const;
45
46  uintptr_t GetEntryPointOf(mirror::ArtMethod* method) const;
47
48  bool WriteElf(art::File* file,
49                OatWriter* oat_writer,
50                const std::vector<const art::DexFile*>& dex_files,
51                const std::string& android_root,
52                bool is_host, const CompilerDriver& driver) const
53    OVERRIDE
54    SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
55
56  Backend* GetCodeGenerator(CompilationUnit* cu, void* compilation_unit) const;
57
58  void InitCompilationUnit(CompilationUnit& cu) const {}
59
60  /*
61   * @brief Generate and return Dwarf CFI initialization, if supported by the
62   * backend.
63   * @param driver CompilerDriver for this compile.
64   * @returns nullptr if not supported by backend or a vector of bytes for CFI DWARF
65   * information.
66   * @note This is used for backtrace information in generated code.
67   */
68  std::vector<uint8_t>* GetCallFrameInformationInitialization(const CompilerDriver& driver) const
69      OVERRIDE;
70
71 private:
72  DISALLOW_COPY_AND_ASSIGN(QuickCompiler);
73};
74
75class OptimizingCompiler : public QuickCompiler {
76 public:
77  OptimizingCompiler() { }
78
79  CompiledMethod* Compile(CompilerDriver& driver,
80                          const DexFile::CodeItem* code_item,
81                          uint32_t access_flags,
82                          InvokeType invoke_type,
83                          uint16_t class_def_idx,
84                          uint32_t method_idx,
85                          jobject class_loader,
86                          const DexFile& dex_file) const;
87
88  CompiledMethod* TryCompile(CompilerDriver& driver,
89                             const DexFile::CodeItem* code_item,
90                             uint32_t access_flags,
91                             InvokeType invoke_type,
92                             uint16_t class_def_idx,
93                             uint32_t method_idx,
94                             jobject class_loader,
95                             const DexFile& dex_file) const;
96
97 private:
98  DISALLOW_COPY_AND_ASSIGN(OptimizingCompiler);
99};
100
101}  // namespace art
102
103#endif  // ART_COMPILER_COMPILERS_H_
104