1 /*
2  * Copyright (C) 2012 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_JNI_PORTABLE_JNI_COMPILER_H_
18 #define ART_COMPILER_JNI_PORTABLE_JNI_COMPILER_H_
19 
20 #include <stdint.h>
21 
22 #include <string>
23 
24 namespace art {
25   class ClassLinker;
26   class CompiledMethod;
27   class CompilerDriver;
28   class DexFile;
29   class DexCompilationUnit;
30   namespace mirror {
31     class ArtMethod;
32     class ClassLoader;
33     class DexCache;
34   }  // namespace mirror
35 }  // namespace art
36 
37 namespace llvm {
38   class AllocaInst;
39   class Function;
40   class FunctionType;
41   class BasicBlock;
42   class LLVMContext;
43   class Module;
44   class Type;
45   class Value;
46 }  // namespace llvm
47 
48 namespace art {
49 namespace llvm {
50 
51 class LlvmCompilationUnit;
52 class IRBuilder;
53 
54 class JniCompiler {
55  public:
56   JniCompiler(LlvmCompilationUnit* cunit,
57               CompilerDriver* driver,
58               const DexCompilationUnit* dex_compilation_unit);
59 
60   CompiledMethod* Compile();
61 
62  private:
63   void CreateFunction(const std::string& symbol);
64 
65   ::llvm::FunctionType* GetFunctionType(uint32_t method_idx,
66                                         bool is_static, bool is_target_function);
67 
68  private:
69   LlvmCompilationUnit* cunit_;
70   CompilerDriver* const driver_;
71 
72   ::llvm::Module* module_;
73   ::llvm::LLVMContext* context_;
74   IRBuilder& irb_;
75 
76   const DexCompilationUnit* const dex_compilation_unit_;
77 
78   ::llvm::Function* func_;
79   uint16_t elf_func_idx_;
80 };
81 
82 
83 }  // namespace llvm
84 }  // namespace art
85 
86 
87 #endif  // ART_COMPILER_JNI_PORTABLE_JNI_COMPILER_H_
88