void ParaNdis_DebugInitialize(PVOID DriverObject,PVOID RegistryPath)
{
NDIS_STRING usRegister, usDeregister, usPrint;
PVOID pr, pd;
BOOLEAN res;
WPP_INIT_TRACING(DriverObject, RegistryPath);
NdisAllocateSpinLock(&CrashLock);
KeInitializeCallbackRecord(&CallbackRecord);
ParaNdis_PrepareBugCheckData();
NdisInitUnicodeString(&usPrint, L"vDbgPrintEx");
NdisInitUnicodeString(&usRegister, L"KeRegisterBugCheckReasonCallback");
NdisInitUnicodeString(&usDeregister, L"KeDeregisterBugCheckReasonCallback");
pd = MmGetSystemRoutineAddress(&usPrint);
if (pd) PrintProcedure = (vDbgPrintExType)pd;
pr = MmGetSystemRoutineAddress(&usRegister);
pd = MmGetSystemRoutineAddress(&usDeregister);
if (pr && pd)
{
BugCheckRegisterCallback = (KeRegisterBugCheckReasonCallbackType)pr;
BugCheckDeregisterCallback = (KeDeregisterBugCheckReasonCallbackType)pd;
}
res = BugCheckRegisterCallback(&CallbackRecord, ParaNdis_OnBugCheck, KbCallbackSecondaryDumpData, "NetKvm");
DPrintf(0, ("[%s] Crash callback %sregistered", __FUNCTION__, res ? "" : "NOT "));
#ifdef OVERRIDE_DEBUG_BREAK
if (sizeof(PVOID) == sizeof(ULONG))
{
UCHAR replace[5] = {0xe9,0,0,0,0};
ULONG replacement;
NDIS_STRING usDbgBreakPointName;
NdisInitUnicodeString(&usDbgBreakPointName, L"DbgBreakPoint");
pDbgBreakPoint = (PUCHAR)MmGetSystemRoutineAddress(&usDbgBreakPointName);
if (pDbgBreakPoint)
{
DPrintf(0, ("Replacing original BP handler at %p", pDbgBreakPoint));
replacement = RtlPointerToOffset(pDbgBreakPoint + 5, AnotherDbgBreak);
RtlCopyMemory(replace + 1, &replacement, sizeof(replacement));
RtlCopyMemory(DbgBreakPointChunk, pDbgBreakPoint, sizeof(DbgBreakPointChunk));
RtlCopyMemory(pDbgBreakPoint, replace, sizeof(replace));
}
}
#endif
}
void ParaNdis_DebugInitialize()
{
NDIS_STRING usRegister, usDeregister, usPrint;
PVOID pr, pd;
BOOLEAN res;
NdisAllocateSpinLock(&CrashLock);
KeInitializeCallbackRecord(&CallbackRecord);
ParaNdis_PrepareBugCheckData();
NdisInitUnicodeString(&usPrint, L"vDbgPrintEx");
NdisInitUnicodeString(&usRegister, L"KeRegisterBugCheckReasonCallback");
NdisInitUnicodeString(&usDeregister, L"KeDeregisterBugCheckReasonCallback");
pd = MmGetSystemRoutineAddress(&usPrint);
if (pd) PrintProcedure = (vDbgPrintExType)pd;
pr = MmGetSystemRoutineAddress(&usRegister);
pd = MmGetSystemRoutineAddress(&usDeregister);
if (pr && pd)
{
BugCheckRegisterCallback = (KeRegisterBugCheckReasonCallbackType)pr;
BugCheckDeregisterCallback = (KeDeregisterBugCheckReasonCallbackType)pd;
}
res = BugCheckRegisterCallback(&CallbackRecord, ParaNdis_OnBugCheck, KbCallbackSecondaryDumpData, (const PUCHAR)"NetKvm");
DPrintf(0, ("[%s] Crash callback %sregistered\n", __FUNCTION__, res ? "" : "NOT "));
}
