diff options
Diffstat (limited to 'src/compiler_llvm/compiler_llvm.cc')
| -rw-r--r-- | src/compiler_llvm/compiler_llvm.cc | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/compiler_llvm/compiler_llvm.cc b/src/compiler_llvm/compiler_llvm.cc new file mode 100644 index 0000000000..c0f5881438 --- /dev/null +++ b/src/compiler_llvm/compiler_llvm.cc @@ -0,0 +1,96 @@ +/* + * 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. + */ + +#include "compiler_llvm.h" + +#include "compiler.h" +#include "ir_builder.h" +#include "method_compiler.h" + +#include <llvm/ADT/OwningPtr.h> +#include <llvm/Bitcode/ReaderWriter.h> +#include <llvm/DerivedTypes.h> +#include <llvm/LLVMContext.h> +#include <llvm/Module.h> +#include <llvm/Support/ToolOutputFile.h> + +using namespace art; +using namespace art::compiler_llvm; + + +CompilerLLVM::CompilerLLVM(Compiler* compiler, InstructionSet insn_set) +: compiler_(compiler), compiler_lock_("llvm_compiler_lock"), + insn_set_(insn_set), context_(new llvm::LLVMContext()) { + + // Create the module and include the runtime function declaration + module_ = new llvm::Module("art", *context_); + + // Create IRBuilder + irb_.reset(new IRBuilder(*context_, *module_)); +} + + +CompilerLLVM::~CompilerLLVM() { +} + + +void CompilerLLVM::MaterializeLLVMModule() { +#if !defined(NDEBUG) + // TODO: For device, need to use another temporary path. + WriteBitcodeToFile("/tmp/art_llvm_module.bc"); +#endif +} + + +void CompilerLLVM::WriteBitcodeToFile(std::string const &filepath) { + std::string error_msg; + + // Write the translated bitcode + llvm::OwningPtr<llvm::tool_output_file> + out(new llvm::tool_output_file(filepath.c_str(), error_msg, + llvm::raw_fd_ostream::F_Binary)); + + if (!error_msg.empty()) { + LOG(FATAL) << "Unable to open file: " << error_msg; + return; + } + + llvm::WriteBitcodeToFile(module_, out->os()); + out->keep(); + + LOG(DEBUG) << "Bitcode Written At: " << filepath; +} + + +CompiledMethod* +CompilerLLVM::CompileDexMethod(DexFile::CodeItem const* code_item, + uint32_t access_flags, + uint32_t method_idx, + ClassLoader const* class_loader, + DexFile const& dex_file) { + + MutexLock GUARD(compiler_lock_); + + ClassLinker *class_linker = Runtime::Current()->GetClassLinker(); + DexCache *dex_cache = class_linker->FindDexCache(dex_file); + + UniquePtr<MethodCompiler> method_compiler( + new MethodCompiler(insn_set_, compiler_, class_linker, class_loader, + &dex_file, dex_cache, code_item, method_idx, + access_flags)); + + return method_compiler->Compile(); +} |