assert.cpp revision 760e27ea38bd47048a383cdfc6aa78d1a1637363
/* $Id$ */
/** @file
* innotek Portable Runtime - Assertion Workers.
*/
/*
* Copyright (C) 2006-2007 innotek GmbH
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation,
* in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
* distribution. VirtualBox OSE is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY of any kind.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <iprt/assert.h>
#include <iprt/log.h>
#include <iprt/string.h>
#include <iprt/stdarg.h>
#ifdef IN_RING3
# include <stdio.h>
#endif
#ifdef IN_GUEST_R0
#include <VBox/log.h>
/**
* The 1st part of an assert message.
*
* @param pszExpr Expression. Can be NULL.
* @param uLine Location line number.
* @param pszFile Location file name.
* @param pszFunction Location function name.
* @remark This API exists in HC Ring-3 and GC.
*/
RTDECL(void) AssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
RTLogBackdoorPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
}
/**
* The 2nd (optional) part of an assert message.
*
* @param pszFormat Printf like format string.
* @param ... Arguments to that string.
* @remark This API exists in HC Ring-3 and GC.
*/
RTDECL(void) AssertMsg2(const char *pszFormat, ...)
{ /* forwarder. */
va_list args;
va_start(args, pszFormat);
RTLogBackdoorPrintfV(pszFormat, args);
va_end(args);
}
#if defined(RT_OS_LINUX) && defined(IN_MODULE)
/*
* When we build this in the Linux kernel module, we wish to make the
* symbols available to other modules as well.
*/
# include "the-linux-kernel.h"
EXPORT_SYMBOL(AssertMsg1);
EXPORT_SYMBOL(AssertMsg2);
#endif
#elif defined(IN_RING0)
/* OS specific. */
#else /* !IN_RING0 */
/** The last assert message, 1st part. */
RTDATADECL(char) g_szRTAssertMsg1[1024];
/** The last assert message, 2nd part. */
RTDATADECL(char) g_szRTAssertMsg2[2048];
/**
* The 1st part of an assert message.
*
* @param pszExpr Expression. Can be NULL.
* @param uLine Location line number.
* @param pszFile Location file name.
* @param pszFunction Location function name.
* @remark This API exists in HC Ring-3 and GC.
*/
RTDECL(void) AssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
#if !defined(IN_RING3) && !defined(LOG_NO_COM)
RTLogComPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
#endif
PRTLOGGER pLog = RTLogRelDefaultInstance();
if (pLog)
{
RTLogRelPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
RTLogFlush(pLog);
}
pLog = RTLogDefaultInstance();
if (pLog)
{
RTLogPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
RTLogFlush(pLog);
}
#ifdef IN_RING3
/* print to stderr, helps user and gdb debugging. */
fprintf(stderr,
"\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
VALID_PTR(pszExpr) ? pszExpr : "<none>",
VALID_PTR(pszFile) ? pszFile : "<none>",
uLine,
VALID_PTR(pszFunction) ? pszFunction : "");
fflush(stderr);
#endif
RTStrPrintf(g_szRTAssertMsg1, sizeof(g_szRTAssertMsg1),
"\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
}
/**
* The 2nd (optional) part of an assert message.
*
* @param pszFormat Printf like format string.
* @param ... Arguments to that string.
* @remark This API exists in HC Ring-3 and GC.
*/
RTDECL(void) AssertMsg2(const char *pszFormat, ...)
{
va_list args;
#if !defined(IN_RING3) && !defined(LOG_NO_COM)
va_start(args, pszFormat);
RTLogComPrintfV(pszFormat, args);
va_end(args);
#endif
PRTLOGGER pLog = RTLogRelDefaultInstance();
if (pLog)
{
va_start(args, pszFormat);
RTLogRelPrintfV(pszFormat, args);
va_end(args);
RTLogFlush(pLog);
}
pLog = RTLogDefaultInstance();
if (pLog)
{
va_start(args, pszFormat);
RTLogPrintfV(pszFormat, args);
va_end(args);
RTLogFlush(pLog);
}
#ifdef IN_RING3
/* print to stderr, helps user and gdb debugging. */
char szMsg[1024];
va_start(args, pszFormat);
RTStrPrintfV(szMsg, sizeof(szMsg), pszFormat, args);
va_end(args);
fprintf(stderr, "%s", szMsg);
fflush(stderr);
#endif
va_start(args, pszFormat);
RTStrPrintfV(g_szRTAssertMsg2, sizeof(g_szRTAssertMsg2), pszFormat, args);
va_end(args);
}
#endif /* !IN_RING0 */