Initialization.cpp revision c2074caf075818abb6d3689ad924ca09f4a5ba1f
1/* 2 * Copyright 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#include "bcc/Support/Initialization.h" 18 19#include <cstdlib> 20 21#include <llvm/Support/ErrorHandling.h> 22#include <llvm/Support/TargetSelect.h> 23 24#include "bcc/Config/Config.h" 25#include "bcc/Support/Log.h" 26 27namespace { 28 29void llvm_error_handler(void *pUserData, const std::string &pMessage, 30 bool pGenCrashDiag) { 31 ALOGE("%s", pMessage.c_str()); 32 ::exit(1); 33} 34 35} // end anonymous namespace 36 37void bcc::init::Initialize() { 38 static bool is_initialized = false; 39 40 if (is_initialized) { 41 return; 42 } 43 44 // Setup error handler for LLVM. 45 llvm::remove_fatal_error_handler(); 46 llvm::install_fatal_error_handler(llvm_error_handler, NULL); 47 48#if defined(PROVIDE_ARM_CODEGEN) 49 LLVMInitializeARMAsmPrinter(); 50 LLVMInitializeARMAsmParser(); 51# if USE_DISASSEMBLER 52 LLVMInitializeARMDisassembler(); 53# endif 54 LLVMInitializeARMTargetMC(); 55 LLVMInitializeARMTargetInfo(); 56 LLVMInitializeARMTarget(); 57#endif 58 59#if defined(PROVIDE_MIPS_CODEGEN) 60 LLVMInitializeMipsAsmPrinter(); 61 LLVMInitializeMipsAsmParser(); 62# if USE_DISASSEMBLER 63 LLVMInitializeMipsDisassembler(); 64# endif 65 LLVMInitializeMipsTargetMC(); 66 LLVMInitializeMipsTargetInfo(); 67 LLVMInitializeMipsTarget(); 68#endif 69 70#if defined(PROVIDE_X86_CODEGEN) 71 LLVMInitializeX86AsmPrinter(); 72 LLVMInitializeX86AsmParser(); 73# if USE_DISASSEMBLER 74 LLVMInitializeX86Disassembler(); 75# endif 76 LLVMInitializeX86TargetMC(); 77 LLVMInitializeX86TargetInfo(); 78 LLVMInitializeX86Target(); 79#endif 80 81#if defined(PROVIDE_ARM64_CODEGEN) 82 LLVMInitializeAArch64AsmPrinter(); 83 LLVMInitializeAArch64AsmParser(); 84# if USE_DISASSEMBLER 85 LLVMInitializeAArch64Disassembler(); 86# endif 87 LLVMInitializeAArch64TargetMC(); 88 LLVMInitializeAArch64TargetInfo(); 89 LLVMInitializeAArch64Target(); 90#endif 91 92 is_initialized = true; 93 94 return; 95} 96