Initialization.cpp revision 93c8832a6916a54d984764bf83a8a77cbae4143b 
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  LLVMInitializeARMTargetMC();
53  LLVMInitializeARMTargetInfo();
54  LLVMInitializeARMTarget();
55  LLVMInitializeARMLDTargetInfo();
56  LLVMInitializeARMLDTarget();
57  LLVMInitializeARMLDBackend();
58  LLVMInitializeARMDiagnosticLineInfo();
59#endif
60
61#if defined(PROVIDE_MIPS_CODEGEN)
62  LLVMInitializeMipsAsmPrinter();
63  LLVMInitializeMipsTargetMC();
64  LLVMInitializeMipsTargetInfo();
65  LLVMInitializeMipsTarget();
66  LLVMInitializeMipsLDTargetInfo();
67  LLVMInitializeMipsLDTarget();
68  LLVMInitializeMipsLDBackend();
69  LLVMInitializeMipsDiagnosticLineInfo();
70#endif
71
72#if defined(PROVIDE_X86_CODEGEN)
73  LLVMInitializeX86AsmPrinter();
74  LLVMInitializeX86TargetMC();
75  LLVMInitializeX86TargetInfo();
76  LLVMInitializeX86Target();
77  LLVMInitializeX86LDTargetInfo();
78  LLVMInitializeX86LDTarget();
79  LLVMInitializeX86LDBackend();
80  LLVMInitializeX86DiagnosticLineInfo();
81#endif
82
83#if USE_DISASSEMBLER
84  InitializeDisassembler();
85#endif
86
87  is_initialized = true;
88
89  return;
90}
91