1 //===- Initialization.cpp -------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "alone/Support/Initialization.h" 11 12 #include <cstdlib> 13 14 #include <llvm/Support/ErrorHandling.h> 15 #include <llvm/Support/TargetSelect.h> 16 17 #include <mcld/Support/TargetSelect.h> 18 #include <mcld/Support/TargetRegistry.h> 19 20 #include "alone/Config/Config.h" 21 #include "alone/Support/Log.h" 22 23 namespace { 24 llvm_error_handler(void * pUserData,const std::string & pMessage)25void llvm_error_handler(void *pUserData, const std::string &pMessage) { 26 ALOGE("%s", pMessage.c_str()); 27 ::exit(1); 28 } 29 30 } // end anonymous namespace 31 Initialize()32void alone::init::Initialize() { 33 static bool is_initialized = false; 34 35 if (is_initialized) { 36 return; 37 } 38 39 // Setup error handler for LLVM. 40 llvm::remove_fatal_error_handler(); 41 llvm::install_fatal_error_handler(llvm_error_handler, NULL); 42 43 #if defined(PROVIDE_ARM_CODEGEN) 44 LLVMInitializeARMAsmPrinter(); 45 # if USE_DISASSEMBLER 46 LLVMInitializeARMDisassembler(); 47 # endif 48 LLVMInitializeARMTargetMC(); 49 LLVMInitializeARMTargetInfo(); 50 LLVMInitializeARMTarget(); 51 MCLDInitializeARMLDTargetInfo(); 52 MCLDInitializeARMLDTarget(); 53 MCLDInitializeARMLDBackend(); 54 MCLDInitializeARMDiagnosticLineInfo(); 55 #endif 56 57 #if defined(PROVIDE_MIPS_CODEGEN) 58 LLVMInitializeMipsAsmPrinter(); 59 # if USE_DISASSEMBLER 60 LLVMInitializeMipsDisassembler(); 61 # endif 62 LLVMInitializeMipsTargetMC(); 63 LLVMInitializeMipsTargetInfo(); 64 LLVMInitializeMipsTarget(); 65 MCLDInitializeMipsLDTargetInfo(); 66 MCLDInitializeMipsLDTarget(); 67 MCLDInitializeMipsLDBackend(); 68 MCLDInitializeMipsDiagnosticLineInfo(); 69 #endif 70 71 #if defined(PROVIDE_X86_CODEGEN) 72 LLVMInitializeX86AsmPrinter(); 73 # if USE_DISASSEMBLER 74 LLVMInitializeX86Disassembler(); 75 # endif 76 LLVMInitializeX86TargetMC(); 77 LLVMInitializeX86TargetInfo(); 78 LLVMInitializeX86Target(); 79 MCLDInitializeX86LDTargetInfo(); 80 MCLDInitializeX86LDTarget(); 81 MCLDInitializeX86LDBackend(); 82 MCLDInitializeX86DiagnosticLineInfo(); 83 #endif 84 85 is_initialized = true; 86 87 return; 88 } 89