/**
* Releases the instance data.
*
* @param pThis The instance data.
*/
static void rtDbgModDeferredReleaseInstanceData(PRTDBGMODDEFERRED pThis)
{
AssertPtr(pThis);
uint32_t cRefs = ASMAtomicDecU32(&pThis->cRefs); Assert(cRefs < 8);
if (!cRefs)
{
RTDbgCfgRelease(pThis->hDbgCfg);
pThis->hDbgCfg = NIL_RTDBGCFG;
RTMemFree(pThis);
}
}
/**
* Make a console instance.
*
* This will not return until either an 'exit' command is issued or a error code
* indicating connection loss is encountered.
*
* @returns VINF_SUCCESS if console termination caused by the 'exit' command.
* @returns The VBox status code causing the console termination.
*
* @param pUVM The user mode VM handle.
* @param pBack Pointer to the backend structure. This must contain
* a full set of function pointers to service the console.
* @param fFlags Reserved, must be zero.
* @remarks A forced termination of the console is easiest done by forcing the
* callbacks to return fatal failures.
*/
DBGDECL(int) DBGCCreate(PUVM pUVM, PDBGCBACK pBack, unsigned fFlags)
{
/*
* Validate input.
*/
AssertPtrNullReturn(pUVM, VERR_INVALID_VM_HANDLE);
PVM pVM = NULL;
if (pUVM)
{
pVM = VMR3GetVM(pUVM);
AssertPtrReturn(pVM, VERR_INVALID_VM_HANDLE);
}
/*
* Allocate and initialize instance data
*/
PDBGC pDbgc;
int rc = dbgcCreate(&pDbgc, pBack, fFlags);
if (RT_FAILURE(rc))
return rc;
if (!HMR3IsEnabled(pUVM))
pDbgc->hDbgAs = DBGF_AS_RC_AND_GC_GLOBAL;
/*
* Print welcome message.
*/
rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
"Welcome to the VirtualBox Debugger!\n");
/*
* Attach to the specified VM.
*/
if (RT_SUCCESS(rc) && pUVM)
{
rc = dbgcReadConfig(pDbgc, pUVM);
if (RT_SUCCESS(rc))
{
rc = DBGFR3Attach(pUVM);
if (RT_SUCCESS(rc))
{
pDbgc->pVM = pVM;
pDbgc->pUVM = pUVM;
pDbgc->idCpu = 0;
rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL,
"Current VM is %08x, CPU #%u\n" /** @todo get and print the VM name! */
, pDbgc->pVM, pDbgc->idCpu);
}
else
rc = pDbgc->CmdHlp.pfnVBoxError(&pDbgc->CmdHlp, rc, "When trying to attach to VM %p\n", pDbgc->pVM);
}
else
rc = pDbgc->CmdHlp.pfnVBoxError(&pDbgc->CmdHlp, rc, "Error reading configuration\n");
}
/*
* Load plugins.
*/
if (RT_SUCCESS(rc))
{
if (pVM)
DBGFR3PlugInLoadAll(pDbgc->pUVM);
dbgcEventInit(pDbgc);
dbgcRunInitScripts(pDbgc);
rc = pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "VBoxDbg> ");
if (RT_SUCCESS(rc))
{
/*
* Set debug config log callback.
*/
RTDBGCFG hDbgCfg = DBGFR3AsGetConfig(pUVM);
if ( hDbgCfg != NIL_RTDBGCFG
&& RTDbgCfgRetain(hDbgCfg) != UINT32_MAX)
{
int rc2 = RTDbgCfgSetLogCallback(hDbgCfg, dbgcDbgCfgLogCallback, pDbgc);
if (RT_FAILURE(rc2))
{
hDbgCfg = NIL_RTDBGCFG;
RTDbgCfgRelease(hDbgCfg);
}
}
else
hDbgCfg = NIL_RTDBGCFG;
/*
* Run the debugger main loop.
*/
rc = dbgcRun(pDbgc);
/*
* Remove debug config log callback.
*/
if (hDbgCfg != NIL_RTDBGCFG)
{
RTDbgCfgSetLogCallback(hDbgCfg, NULL, NULL);
RTDbgCfgRelease(hDbgCfg);
}
}
dbgcEventTerm(pDbgc);
}
else
pDbgc->CmdHlp.pfnPrintf(&pDbgc->CmdHlp, NULL, "\nDBGCCreate error: %Rrc\n", rc);
/*
* Cleanup console debugger session.
*/
dbgcDestroy(pDbgc);
return rc == VERR_DBGC_QUIT ? VINF_SUCCESS : rc;
}
