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add abort_message() utility function 

llvm-svn: 136669
This commit is contained in:
Nick Kledzik 2011-08-02 01:16:03 +00:00
parent 4bc9f3c174
commit d5b690d39c
2 changed files with 75 additions and 0 deletions
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48
libcxxabi/src/abort_message.c Normal file
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//===-------------------------- abort_message.c ---------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#if __APPLE__
#include <Availability.h>
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
#include <CrashReporterClient.h>
#endif
#endif
#include "abort_message.h"
__attribute__((visibility("hidden")))
void abort_message(const char* format, ...)
{
// write message to stderr
#if __APPLE__
fprintf(stderr, "libc++abi.dylib: ");
#endif
va_list list;
va_start(list, format);
vfprintf(stderr, format, list);
va_end(list);
fprintf(stderr, "\n");
#if __APPLE__ && (__MAC_OS_X_VERSION_MIN_REQUIRED >= 1070)
// record message in crash report
char* buffer;
va_list list2;
va_start(list2, format);
vasprintf(&buffer, format, list2);
va_end(list2);
CRSetCrashLogMessage(buffer);
#endif
abort();
}

27
libcxxabi/src/abort_message.h Normal file
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//===-------------------------- abort_message.h-----------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef __ABORT_MESSAGE_H_
#define __ABORT_MESSAGE_H_
#ifdef __cplusplus
extern "C" {
#endif
extern void abort_message(const char* format, ...)
__attribute__((noreturn, format(printf, 1, 2)));
#ifdef __cplusplus
}
#endif
#endif