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
27 namespace {
28
llvm_error_handler(void * pUserData,const std::string & pMessage,bool pGenCrashDiag)29 void 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
Initialize()37 void 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