JNI compiler.

Change-Id: Ia9a52cced70b8c44d1354e3342ad27f212c8d993
diff --git a/src/compiler_llvm/jni_compiler.h b/src/compiler_llvm/jni_compiler.h
new file mode 100644
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+++ b/src/compiler_llvm/jni_compiler.h
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+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ART_SRC_COMPILER_LLVM_JNI_COMPILER_H_
+#define ART_SRC_COMPILER_LLVM_JNI_COMPILER_H_
+
+#include "constants.h"
+
+#include <stdint.h>
+
+namespace art {
+  class ClassLinker;
+  class ClassLoader;
+  class CompiledMethod;
+  class Compiler;
+  class DexCache;
+  class DexFile;
+  class Method;
+  class OatCompilationUnit;
+}
+
+namespace llvm {
+  class Function;
+  class FunctionType;
+  class LLVMContext;
+  class Module;
+}
+
+namespace art {
+namespace compiler_llvm {
+
+class CompilerLLVM;
+class IRBuilder;
+
+class JniCompiler {
+ public:
+  JniCompiler(InstructionSet insn_set,
+              Compiler const& compiler,
+              OatCompilationUnit* oat_compilation_unit);
+
+  CompiledMethod* Compile();
+
+ private:
+  void CreateFunction();
+
+  llvm::FunctionType* GetFunctionType(uint32_t method_idx,
+                                      bool is_static);
+
+ private:
+  InstructionSet insn_set_;
+  Compiler const* compiler_;
+  CompilerLLVM* compiler_llvm_;
+
+  llvm::Module* module_;
+  llvm::LLVMContext* context_;
+  IRBuilder& irb_;
+
+  OatCompilationUnit* oat_compilation_unit_;
+
+  uint32_t access_flags_;
+  uint32_t method_idx_;
+  ClassLinker * class_linker_;
+  ClassLoader const* class_loader_;
+  DexCache const* dex_cache_;
+  DexFile const* dex_file_;
+  Method* method_;
+
+  llvm::Function* func_;
+};
+
+
+} // namespace compiler_llvm
+} // namespace art
+
+
+#endif // ART_SRC_COMPILER_LLVM_JNI_COMPILER_H_