/** log and dbg_log parameter getter. */
static int vboxguestLinuxParamLogGrpGet(char *pszBuf, struct kernel_param *pParam)
{
PRTLOGGER pLogger = pParam->name[0] == 'd' ? RTLogDefaultInstance() : RTLogRelGetDefaultInstance();
*pszBuf = '\0';
if (pLogger)
RTLogGetGroupSettings(pLogger, pszBuf, _4K);
return strlen(pszBuf);
}
/** log and dbg_log_dest parameter getter. */
static int vgdrvLinuxParamLogDstGet(char *pszBuf, struct kernel_param *pParam)
{
PRTLOGGER pLogger = pParam->name[0] == 'd' ? RTLogDefaultInstance() : RTLogRelGetDefaultInstance();
*pszBuf = '\0';
if (pLogger)
RTLogGetDestinations(pLogger, pszBuf, _4K);
return strlen(pszBuf);
}
/** log and dbg_log_flags parameter setter. */
static int vboxguestLinuxParamLogFlagsSet(const char *pszValue, struct kernel_param *pParam)
{
if (g_fLoggerCreated)
{
PRTLOGGER pLogger = pParam->name[0] == 'd' ? RTLogDefaultInstance() : RTLogRelGetDefaultInstance();
if (pLogger)
RTLogFlags(pLogger, pszValue);
}
else if (pParam->name[0] != 'd')
strlcpy(&g_szLogFlags[0], pszValue, sizeof(g_szLogFlags));
return 0;
}
/**
* Returns the log enabled / disabled status.
*
* @returns COM status code
* @param aLogEnabled address of result variable
*/
HRESULT MachineDebugger::getLogEnabled(BOOL *aLogEnabled)
{
#ifdef LOG_ENABLED
AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
const PRTLOGGER pLogInstance = RTLogDefaultInstance();
*aLogEnabled = pLogInstance && !(pLogInstance->fFlags & RTLOGFLAGS_DISABLED);
#else
*aLogEnabled = false;
#endif
return S_OK;
}
/**
* Checkes for logger prefixes and selects the right logger.
*
* @returns Target logger.
* @param ppsz Pointer to the string pointer.
*/
static PRTLOGGER dbgfR3LogResolvedLogger(const char **ppsz)
{
PRTLOGGER pLogger;
const char *psz = *ppsz;
if (!strncmp(psz, RT_STR_TUPLE("release:")))
{
*ppsz += sizeof("release:") - 1;
pLogger = RTLogRelGetDefaultInstance();
}
else
{
if (!strncmp(psz, RT_STR_TUPLE("debug:")))
*ppsz += sizeof("debug:") - 1;
pLogger = RTLogDefaultInstance();
}
return pLogger;
}
/**
* Returns the log enabled / disabled status.
*
* @returns COM status code
* @param aEnabled address of result variable
*/
STDMETHODIMP MachineDebugger::COMGETTER(LogEnabled) (BOOL *aEnabled)
{
CheckComArgOutPointerValid(aEnabled);
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc())) return autoCaller.rc();
#ifdef LOG_ENABLED
AutoReadLock alock(this COMMA_LOCKVAL_SRC_POS);
const PRTLOGGER pLogInstance = RTLogDefaultInstance();
*aEnabled = pLogInstance && !(pLogInstance->fFlags & RTLOGFLAGS_DISABLED);
#else
*aEnabled = false;
#endif
return S_OK;
}
/**
* Worker for RTAssertMsg2V and RTAssertMsg2AddV
*
* @param fInitial True if it's RTAssertMsg2V, otherwise false.
* @param pszFormat The message format string.
* @param va The format arguments.
*/
static void rtAssertMsg2Worker(bool fInitial, const char *pszFormat, va_list va)
{
va_list vaCopy;
size_t cch;
/*
* The global first.
*/
if (fInitial)
{
va_copy(vaCopy, va);
cch = RTStrPrintfV(g_szRTAssertMsg2, sizeof(g_szRTAssertMsg2), pszFormat, vaCopy);
ASMAtomicWriteU32(&g_cchRTAssertMsg2, (uint32_t)cch);
va_end(vaCopy);
}
else
{
cch = ASMAtomicReadU32(&g_cchRTAssertMsg2);
if (cch < sizeof(g_szRTAssertMsg2) - 4)
{
va_copy(vaCopy, va);
cch += RTStrPrintfV(&g_szRTAssertMsg2[cch], sizeof(g_szRTAssertMsg2) - cch, pszFormat, vaCopy);
ASMAtomicWriteU32(&g_cchRTAssertMsg2, (uint32_t)cch);
va_end(vaCopy);
}
}
/*
* If not quiet, make some noise.
*/
if (!RTAssertAreQuiet())
{
RTERRVARS SavedErrVars;
RTErrVarsSave(&SavedErrVars);
#ifdef IN_RING0
# ifdef IN_GUEST_R0
va_copy(vaCopy, va);
RTLogBackdoorPrintfV(pszFormat, vaCopy);
va_end(vaCopy);
# endif
/** @todo fully integrate this with the logger... play safe a bit for now. */
rtR0AssertNativeMsg2V(fInitial, pszFormat, va);
#else /* !IN_RING0 */
# if !defined(IN_RING3) && !defined(LOG_NO_COM)
# if 0 /* Enable this iff you have a COM port and really want this debug info. */
va_copy(vaCopy, va);
RTLogComPrintfV(pszFormat, vaCopy);
va_end(vaCopy);
# endif
# endif
PRTLOGGER pLog = RTLogRelGetDefaultInstance();
if (pLog)
{
va_copy(vaCopy, va);
RTLogRelPrintfV(pszFormat, vaCopy);
va_end(vaCopy);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
# endif
}
pLog = RTLogDefaultInstance();
if (pLog)
{
va_copy(vaCopy, va);
RTLogPrintfV(pszFormat, vaCopy);
va_end(vaCopy);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
#endif
}
# ifdef IN_RING3
/* print to stderr, helps user and gdb debugging. */
char szMsg[sizeof(g_szRTAssertMsg2)];
va_copy(vaCopy, va);
RTStrPrintfV(szMsg, sizeof(szMsg), pszFormat, vaCopy);
va_end(vaCopy);
fprintf(stderr, "%s", szMsg);
fflush(stderr);
# endif
#endif /* !IN_RING0 */
RTErrVarsRestore(&SavedErrVars);
}
}
RTDECL(void) RTAssertMsg1(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
/*
* Fill in the globals.
*/
ASMAtomicUoWritePtr(&g_pszRTAssertExpr, pszExpr);
ASMAtomicUoWritePtr(&g_pszRTAssertFile, pszFile);
ASMAtomicUoWritePtr(&g_pszRTAssertFunction, pszFunction);
ASMAtomicUoWriteU32(&g_u32RTAssertLine, uLine);
RTStrPrintf(g_szRTAssertMsg1, sizeof(g_szRTAssertMsg1),
"\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
/*
* If not quiet, make noise.
*/
if (!RTAssertAreQuiet())
{
RTERRVARS SavedErrVars;
RTErrVarsSave(&SavedErrVars);
#ifdef IN_RING0
# ifdef IN_GUEST_R0
RTLogBackdoorPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# endif
/** @todo fully integrate this with the logger... play safe a bit for now. */
rtR0AssertNativeMsg1(pszExpr, uLine, pszFile, pszFunction);
#else /* !IN_RING0 */
# if !defined(IN_RING3) && !defined(LOG_NO_COM)
# if 0 /* Enable this iff you have a COM port and really want this debug info. */
RTLogComPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# endif
# endif
PRTLOGGER pLog = RTLogRelGetDefaultInstance();
if (pLog)
{
RTLogRelPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
# endif
}
# ifndef LOG_ENABLED
if (!pLog)
# endif
{
pLog = RTLogDefaultInstance();
if (pLog)
{
RTLogPrintf("\n!!Assertion Failed!!\n"
"Expression: %s\n"
"Location : %s(%d) %s\n",
pszExpr, pszFile, uLine, pszFunction);
# ifndef IN_RC /* flushing is done automatically in RC */
RTLogFlush(pLog);
# endif
}
}
# 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
#endif /* !IN_RING0 */
RTErrVarsRestore(&SavedErrVars);
}
}
