Initialization.cpp revision d793ca93d75fe8f1d29ceab8f9bf0432f0f63565 
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 <mcld/Support/TargetSelect.h>
25#include <mcld/Support/TargetRegistry.h>
26
27#include "bcc/Config/Config.h"
28#include "bcc/Support/Log.h"
29
30namespace {
31
32void llvm_error_handler(void *pUserData, const std::string &pMessage) {
33  ALOGE("%s", pMessage.c_str());
34  ::exit(1);
35}
36
37} // end anonymous namespace
38
39void bcc::init::Initialize() {
40  static bool is_initialized = false;
41
42  if (is_initialized) {
43    return;
44  }
45
46  // Setup error handler for LLVM.
47  llvm::remove_fatal_error_handler();
48  llvm::install_fatal_error_handler(llvm_error_handler, NULL);
49
50#if defined(PROVIDE_ARM_CODEGEN)
51  LLVMInitializeARMAsmPrinter();
52  LLVMInitializeARMAsmParser();
53# if USE_DISASSEMBLER
54  LLVMInitializeARMDisassembler();
55# endif
56  LLVMInitializeARMTargetMC();
57  LLVMInitializeARMTargetInfo();
58  LLVMInitializeARMTarget();
59  MCLDInitializeARMLDTargetInfo();
60  MCLDInitializeARMLDTarget();
61  MCLDInitializeARMLDBackend();
62  MCLDInitializeARMDiagnosticLineInfo();
63#endif
64
65#if defined(PROVIDE_MIPS_CODEGEN)
66  LLVMInitializeMipsAsmPrinter();
67  LLVMInitializeMipsAsmParser();
68# if USE_DISASSEMBLER
69  LLVMInitializeMipsDisassembler();
70# endif
71  LLVMInitializeMipsTargetMC();
72  LLVMInitializeMipsTargetInfo();
73  LLVMInitializeMipsTarget();
74  MCLDInitializeMipsLDTargetInfo();
75  MCLDInitializeMipsLDTarget();
76  MCLDInitializeMipsLDBackend();
77  MCLDInitializeMipsDiagnosticLineInfo();
78#endif
79
80#if defined(PROVIDE_X86_CODEGEN)
81  LLVMInitializeX86AsmPrinter();
82  LLVMInitializeX86AsmParser();
83# if USE_DISASSEMBLER
84  LLVMInitializeX86Disassembler();
85# endif
86  LLVMInitializeX86TargetMC();
87  LLVMInitializeX86TargetInfo();
88  LLVMInitializeX86Target();
89  MCLDInitializeX86LDTargetInfo();
90  MCLDInitializeX86LDTarget();
91  MCLDInitializeX86LDBackend();
92  MCLDInitializeX86DiagnosticLineInfo();
93#endif
94
95  is_initialized = true;
96
97  return;
98}
99