1 //===- lib/Support/ErrorHandling.cpp - Callbacks for errors -----*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines an API for error handling, it supersedes cerr+abort(), and
11 // cerr+exit() style error handling.
12 // Callbacks can be registered for these errors through this API.
13 //===----------------------------------------------------------------------===//
15 #include "llvm/ADT/SmallVector.h"
16 #include "llvm/Support/ErrorHandling.h"
17 #include "llvm/Support/raw_ostream.h"
18 #include "llvm/System/Threading.h"
25 static llvm_error_handler_t ErrorHandler = 0;
27 void llvm_install_error_handler(llvm_error_handler_t handler) {
28 assert(!llvm_is_multithreaded() &&
29 "Cannot register error handlers after starting multithreaded mode!\n");
30 assert(!ErrorHandler && "Error handler already registered!\n");
31 ErrorHandler = handler;
34 void llvm_remove_error_handler(void) {
38 void llvm_report_error(const std::string &reason) {
40 errs() << "LLVM ERROR: " << reason << "\n";
47 void llvm_unreachable_internal(const char *msg, const char *file, unsigned line) {
49 errs() << msg << "\n";
50 errs() << "UNREACHABLE executed";
52 errs() << " at " << file << ":" << line;