llvm/lib/Support/ErrorHandling.cpp
Torok Edwin c23197a26f llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 16:55:14 +00:00

58 lines
1.6 KiB
C++

//===- lib/Support/ErrorHandling.cpp - Callbacks for errors -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines an API for error handling, it supersedes cerr+abort(), and
// cerr+exit() style error handling.
// Callbacks can be registered for these errors through this API.
//===----------------------------------------------------------------------===//
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/System/Threading.h"
#include <cassert>
#include <cstdlib>
using namespace llvm;
using namespace std;
static llvm_error_handler_t ErrorHandler = 0;
namespace llvm {
void llvm_install_error_handler(llvm_error_handler_t handler) {
assert(!llvm_is_multithreaded() &&
"Cannot register error handlers after starting multithreaded mode!\n");
assert(!ErrorHandler && "Error handler already registered!\n");
ErrorHandler = handler;
}
void llvm_remove_error_handler(void) {
ErrorHandler = 0;
}
void llvm_report_error(const std::string &reason) {
if (!ErrorHandler) {
errs() << "LLVM ERROR: " << reason << "\n";
} else {
ErrorHandler(reason);
}
exit(1);
}
void llvm_unreachable_internal(const char *msg, const char *file, unsigned line) {
if (msg)
errs() << msg << "\n";
errs() << "UNREACHABLE executed";
if (file)
errs() << " at " << file << ":" << line;
errs() << "!\n";
abort();
}
}