/**
* Initializes the tracing.
*
* @returns VBox status code
* @param pVM The cross context VM structure.
*/
int dbgfR3TraceInit(PVM pVM)
{
/*
* Initialize the trace buffer handles.
*/
Assert(NIL_RTTRACEBUF == (RTTRACEBUF)NULL);
pVM->hTraceBufR3 = NIL_RTTRACEBUF;
pVM->hTraceBufRC = NIL_RTRCPTR;
pVM->hTraceBufR0 = NIL_RTR0PTR;
/*
* Check the config and enable tracing if requested.
*/
PCFGMNODE pDbgfNode = CFGMR3GetChild(CFGMR3GetRoot(pVM), "DBGF");
#if defined(DEBUG) || defined(RTTRACE_ENABLED)
bool const fDefault = false;
const char * const pszConfigDefault = "";
#else
bool const fDefault = false;
const char * const pszConfigDefault = "";
#endif
bool fTracingEnabled;
int rc = CFGMR3QueryBoolDef(pDbgfNode, "TracingEnabled", &fTracingEnabled, fDefault);
AssertRCReturn(rc, rc);
if (fTracingEnabled)
{
rc = dbgfR3TraceEnable(pVM, 0, 0);
if (RT_SUCCESS(rc))
{
if (pDbgfNode)
{
char *pszTracingConfig;
rc = CFGMR3QueryStringAllocDef(pDbgfNode, "TracingConfig", &pszTracingConfig, pszConfigDefault);
if (RT_SUCCESS(rc))
{
rc = DBGFR3TraceConfig(pVM, pszTracingConfig);
if (RT_FAILURE(rc))
rc = VMSetError(pVM, rc, RT_SRC_POS, "TracingConfig=\"%s\" -> %Rrc", pszTracingConfig, rc);
MMR3HeapFree(pszTracingConfig);
}
}
else
{
rc = DBGFR3TraceConfig(pVM, pszConfigDefault);
if (RT_FAILURE(rc))
rc = VMSetError(pVM, rc, RT_SRC_POS, "TracingConfig=\"%s\" (default) -> %Rrc", pszConfigDefault, rc);
}
}
}
/*
* Register a debug info item that will dump the trace buffer content.
*/
if (RT_SUCCESS(rc))
rc = DBGFR3InfoRegisterInternal(pVM, "tracebuf", "Display the trace buffer content. No arguments.", dbgfR3TraceInfo);
return rc;
}
/**
* Initialize the info handlers.
*
* @returns VBox status code.
* @param pVM Pointer to the VM.
*/
int dbgfR3InfoInit(PVM pVM)
{
/*
* Make sure we already didn't initialized in the lazy manner.
*/
if (RTCritSectIsInitialized(&pVM->dbgf.s.InfoCritSect))
return VINF_SUCCESS;
/*
* Initialize the crit sect.
*/
int rc = RTCritSectInit(&pVM->dbgf.s.InfoCritSect);
AssertRCReturn(rc, rc);
/*
* Register the 'info help' item.
*/
rc = DBGFR3InfoRegisterInternal(pVM, "help", "List of info items.", dbgfR3InfoHelp);
AssertRCReturn(rc, rc);
return VINF_SUCCESS;
}
