VOID
KdpCmdBlockedList(
PCHAR Parameter
)
{
extern PPROCESS KepBlockedList;
extern PPROCESS KepTimerList;
PPROCESS current;
UNREFERENCED_PARAMETER(Parameter);
KdpPrint("Blocked processes:\n");
current = KepBlockedList;
while (current) {
CHAR dump[320];
ObDumpObject(current, dump, sizeof(dump));
KdpPrint("0x%x %s\n", current, dump);
current = current->NextPCB;
}
KdpPrint("Timer processes:\n");
current = KepTimerList;
while (current) {
CHAR dump[320];
ObDumpObject(current, dump, sizeof(dump));
KdpPrint("0x%x %s\n", current, dump);
current = current->NextPCB;
}
}
VOID
KdpCmdObjects(
PCHAR Parameter
)
{
// HACKHACK :)
extern POBJECT_TYPE ObTypeObjectListHead;
POBJECT_TYPE currentType = ObTypeObjectListHead;
UNREFERENCED_PARAMETER(Parameter);
while (currentType) {
PVOID currentObject = ObGetFirstObjectOfType(currentType);
KdpPrint("OBJECT_TYPE 0x%x Name: 0x%x\n", currentType, currentType->Name);
while (currentObject) {
CHAR dump[320];
ObDumpObject(currentObject, dump, sizeof(dump));
KdpPrint("0x%x %s\n", currentObject, dump);
currentObject = ObGetNextObjectOfType(currentObject);
}
currentType = currentType->NextTypeObject;
if (currentType) KdpPrintChar('\n');
}
}
VOID
KdpCmdTicks(
PCHAR Parameter
)
{
UNREFERENCED_PARAMETER(Parameter);
KdpPrint("%d milliseconds\n", KeGetTickCount());
}
VOID
KdpCmdHelp(
PCHAR Parameter
)
{
ULONG i;
UNREFERENCED_PARAMETER(Parameter);
for (i = 0; i < COUNTOF(KdpCommands); i++) {
KdpPrint("%s - %s\n", KdpCommands[i].Name, KdpCommands[i].HelpText);
}
}
VOID
KdpExecuteCommand(
PCHAR command
)
{
PCHAR parameter = KdpSplitParameter(command);
ULONG i;
for (i = 0; i < COUNTOF(KdpCommands); i++) {
if (RtlCompareStrings(KdpCommands[i].Name, command) == 0) {
KdpCommands[i].Execute(parameter);
return;
}
}
KdpPrint("%s: command not recognized\n", command);
}
BOOLEAN
NTAPI
KdpTrap(IN PKTRAP_FRAME TrapFrame,
IN PKEXCEPTION_FRAME ExceptionFrame,
IN PEXCEPTION_RECORD ExceptionRecord,
IN PCONTEXT ContextRecord,
IN KPROCESSOR_MODE PreviousMode,
IN BOOLEAN SecondChanceException)
{
BOOLEAN Unload = FALSE;
ULONG_PTR ProgramCounter;
BOOLEAN Handled;
NTSTATUS ReturnStatus;
USHORT ReturnLength;
/*
* Check if we got a STATUS_BREAKPOINT with a SubID for Print, Prompt or
* Load/Unload symbols. Make sure it isn't a software breakpoints as those
* are handled by KdpReport.
*/
if ((ExceptionRecord->ExceptionCode == STATUS_BREAKPOINT) &&
(ExceptionRecord->ExceptionInformation[0] != BREAKPOINT_BREAK))
{
/* Save Program Counter */
ProgramCounter = KeGetContextPc(ContextRecord);
/* Check what kind of operation was requested from us */
switch (ExceptionRecord->ExceptionInformation[0])
{
/* DbgPrint */
case BREAKPOINT_PRINT:
/* Call the worker routine */
ReturnStatus = KdpPrint((ULONG)KdpGetParameterThree(ContextRecord),
(ULONG)KdpGetParameterFour(ContextRecord),
(LPSTR)ExceptionRecord->
ExceptionInformation[1],
(USHORT)ExceptionRecord->
ExceptionInformation[2],
PreviousMode,
TrapFrame,
ExceptionFrame,
&Handled);
/* Update the return value for the caller */
KeSetContextReturnRegister(ContextRecord, ReturnStatus);
break;
/* DbgPrompt */
case BREAKPOINT_PROMPT:
/* Call the worker routine */
ReturnLength = KdpPrompt((LPSTR)ExceptionRecord->
ExceptionInformation[1],
(USHORT)ExceptionRecord->
ExceptionInformation[2],
(LPSTR)KdpGetParameterThree(ContextRecord),
(USHORT)KdpGetParameterFour(ContextRecord),
PreviousMode,
TrapFrame,
ExceptionFrame);
Handled = TRUE;
/* Update the return value for the caller */
KeSetContextReturnRegister(ContextRecord, ReturnLength);
break;
/* DbgUnLoadImageSymbols */
case BREAKPOINT_UNLOAD_SYMBOLS:
/* Drop into the load case below, with the unload parameter */
Unload = TRUE;
/* DbgLoadImageSymbols */
case BREAKPOINT_LOAD_SYMBOLS:
/* Call the worker routine */
KdpSymbol((PSTRING)ExceptionRecord->
ExceptionInformation[1],
(PKD_SYMBOLS_INFO)ExceptionRecord->
ExceptionInformation[2],
Unload,
PreviousMode,
ContextRecord,
TrapFrame,
ExceptionFrame);
Handled = TRUE;
break;
/* DbgCommandString */
case BREAKPOINT_COMMAND_STRING:
/* Call the worker routine */
KdpCommandString((PSTRING)ExceptionRecord->
ExceptionInformation[1],
(PSTRING)ExceptionRecord->
ExceptionInformation[2],
PreviousMode,
ContextRecord,
TrapFrame,
ExceptionFrame);
Handled = TRUE;
break;
/* Anything else, do nothing */
default:
/* Invalid debug service! Don't handle this! */
Handled = FALSE;
break;
}
/*
* If the PC was not updated, we'll increment it ourselves so execution
* continues past the breakpoint.
*/
if (ProgramCounter == KeGetContextPc(ContextRecord))
{
/* Update it */
KeSetContextPc(ContextRecord,
ProgramCounter + KD_BREAKPOINT_SIZE);
}
}
else
{
/* Call the worker routine */
Handled = KdpReport(TrapFrame,
ExceptionFrame,
ExceptionRecord,
ContextRecord,
PreviousMode,
SecondChanceException);
}
/* Return TRUE or FALSE to caller */
return Handled;
}
