/**
* EMT worker for DBGFR3BpEnable().
*
* @returns VBox status code.
* @param pVM Pointer to the VM.
* @param iBp The id of the breakpoint which should be enabled.
* @thread EMT
* @internal
*/
static DECLCALLBACK(int) dbgfR3BpEnable(PVM pVM, uint32_t iBp)
{
/*
* Validate input.
*/
PDBGFBP pBp = dbgfR3BpGet(pVM, iBp);
if (!pBp)
return VERR_DBGF_BP_NOT_FOUND;
/*
* Already enabled?
*/
if (pBp->fEnabled)
return VINF_DBGF_BP_ALREADY_ENABLED;
/*
* Remove the breakpoint.
*/
int rc;
pBp->fEnabled = true;
switch (pBp->enmType)
{
case DBGFBPTYPE_REG:
rc = dbgfR3BpRegArm(pVM, pBp);
break;
case DBGFBPTYPE_INT3:
rc = dbgfR3BpInt3Arm(pVM, pBp);
break;
case DBGFBPTYPE_REM:
#ifdef VBOX_WITH_REM
rc = REMR3BreakpointSet(pVM, pBp->GCPtr);
#else
rc = IEMBreakpointSet(pVM, pBp->GCPtr);
#endif
break;
default:
AssertMsgFailedReturn(("Invalid enmType=%d!\n", pBp->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
}
if (RT_FAILURE(rc))
pBp->fEnabled = false;
return rc;
}
/**
* EMT worker for DBGFR3BpClear().
*
* @returns VBox status code.
* @param pVM Pointer to the VM.
* @param iBp The id of the breakpoint which should be removed (cleared).
* @thread EMT
* @internal
*/
static DECLCALLBACK(int) dbgfR3BpClear(PVM pVM, uint32_t iBp)
{
/*
* Validate input.
*/
PDBGFBP pBp = dbgfR3BpGet(pVM, iBp);
if (!pBp)
return VERR_DBGF_BP_NOT_FOUND;
/*
* Disarm the breakpoint if it's enabled.
*/
if (pBp->fEnabled)
{
pBp->fEnabled = false;
int rc;
switch (pBp->enmType)
{
case DBGFBPTYPE_REG:
rc = dbgfR3BpRegDisarm(pVM, pBp);
break;
case DBGFBPTYPE_INT3:
rc = dbgfR3BpInt3Disarm(pVM, pBp);
break;
case DBGFBPTYPE_REM:
#ifdef VBOX_WITH_REM
rc = REMR3BreakpointClear(pVM, pBp->GCPtr);
#else
rc = IEMBreakpointClear(pVM, pBp->GCPtr);
#endif
break;
default:
AssertMsgFailedReturn(("Invalid enmType=%d!\n", pBp->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
}
AssertRCReturn(rc, rc);
}
/*
* Free the breakpoint.
*/
dbgfR3BpFree(pVM, pBp);
return VINF_SUCCESS;
}
/**
* EMT worker for DBGFR3BpDisable().
*
* @returns VBox status code.
* @param pVM The VM handle.
* @param iBp The id of the breakpoint which should be disabled.
* @thread EMT
* @internal
*/
static DECLCALLBACK(int) dbgfR3BpDisable(PVM pVM, uint32_t iBp)
{
/*
* Validate input.
*/
PDBGFBP pBp = dbgfR3BpGet(pVM, iBp);
if (!pBp)
return VERR_DBGF_BP_NOT_FOUND;
/*
* Already enabled?
*/
if (!pBp->fEnabled)
return VINF_DBGF_BP_ALREADY_DISABLED;
/*
* Remove the breakpoint.
*/
pBp->fEnabled = false;
int rc;
switch (pBp->enmType)
{
case DBGFBPTYPE_REG:
rc = dbgfR3BpRegDisarm(pVM, pBp);
break;
case DBGFBPTYPE_INT3:
rc = dbgfR3BpInt3Disarm(pVM, pBp);
break;
case DBGFBPTYPE_REM:
rc = REMR3BreakpointClear(pVM, pBp->GCPtr);
break;
default:
AssertMsgFailedReturn(("Invalid enmType=%d!\n", pBp->enmType), VERR_IPE_NOT_REACHED_DEFAULT_CASE);
}
return rc;
}