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# if USE_DISASSEMBLER
53  LLVMInitializeARMDisassembler();
54# endif
55  LLVMInitializeARMTargetMC();
56  LLVMInitializeARMTargetInfo();
57  LLVMInitializeARMTarget();
58  MCLDInitializeARMLDTargetInfo();
59  MCLDInitializeARMLDTarget();
60  MCLDInitializeARMLDBackend();
61  MCLDInitializeARMDiagnosticLineInfo();
62#endif
63
64#if defined(PROVIDE_MIPS_CODEGEN)
65  LLVMInitializeMipsAsmPrinter();
66# if USE_DISASSEMBLER
67  LLVMInitializeMipsDisassembler();
68# endif
69  LLVMInitializeMipsTargetMC();
70  LLVMInitializeMipsTargetInfo();
71  LLVMInitializeMipsTarget();
72  MCLDInitializeMipsLDTargetInfo();
73  MCLDInitializeMipsLDTarget();
74  MCLDInitializeMipsLDBackend();
75  MCLDInitializeMipsDiagnosticLineInfo();
76#endif
77
78#if defined(PROVIDE_X86_CODEGEN)
79  LLVMInitializeX86AsmPrinter();
80# if USE_DISASSEMBLER
81  LLVMInitializeX86Disassembler();
82# endif
83  LLVMInitializeX86TargetMC();
84  LLVMInitializeX86TargetInfo();
85  LLVMInitializeX86Target();
86  MCLDInitializeX86LDTargetInfo();
87  MCLDInitializeX86LDTarget();
88  MCLDInitializeX86LDBackend();
89  MCLDInitializeX86DiagnosticLineInfo();
90#endif
91
92  is_initialized = true;
93
94  return;
95}
96