154 lines
3.5 KiB
C
154 lines
3.5 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1991 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
vdmtrace.c
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
This module contains the support maintaining the VDM trace log.
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Neil Sandlin (neilsa) 15-Sep-1996
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
|
||
|
|
|
||
|
|
#include "vdmp.h"
|
||
|
|
|
||
|
|
VOID
|
||
|
|
VdmTraceEvent(
|
||
|
|
USHORT Type,
|
||
|
|
USHORT wData,
|
||
|
|
USHORT lData,
|
||
|
|
PKTRAP_FRAME TrapFrame
|
||
|
|
);
|
||
|
|
|
||
|
|
#ifdef ALLOC_PRAGMA
|
||
|
|
#pragma alloc_text(PAGE, VdmTraceEvent)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
VOID
|
||
|
|
VdmTraceEvent(
|
||
|
|
USHORT Type,
|
||
|
|
USHORT wData,
|
||
|
|
USHORT lData,
|
||
|
|
PKTRAP_FRAME TrapFrame
|
||
|
|
)
|
||
|
|
|
||
|
|
/*++
|
||
|
|
|
||
|
|
Routine Description:
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
Arguments:
|
||
|
|
|
||
|
|
Return Value:
|
||
|
|
|
||
|
|
None
|
||
|
|
|
||
|
|
--*/
|
||
|
|
{
|
||
|
|
#if 0
|
||
|
|
// This code represents a security problem. Since it is only used
|
||
|
|
// on special occasions, it won't be built into the standard build.
|
||
|
|
// Individuals wishing to use it can build themselves a kernel with
|
||
|
|
// it in.
|
||
|
|
PVDM_TIB VdmTib;
|
||
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
||
|
|
KIRQL OldIrql;
|
||
|
|
PVDM_TRACEENTRY pEntry;
|
||
|
|
PVDM_TRACEINFO pInfo;
|
||
|
|
LARGE_INTEGER CurTime, DiffTime;
|
||
|
|
|
||
|
|
|
||
|
|
PAGED_CODE();
|
||
|
|
#if 0
|
||
|
|
//
|
||
|
|
// Raise Irql to APC level...
|
||
|
|
//
|
||
|
|
KeRaiseIrql(APC_LEVEL, &OldIrql);
|
||
|
|
|
||
|
|
//
|
||
|
|
// VdmTib is in user mode memory
|
||
|
|
//
|
||
|
|
try {
|
||
|
|
#endif
|
||
|
|
if ((*FIXED_NTVDMSTATE_LINEAR) & VDM_TRACE_HISTORY)) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get a pointer to the VdmTib
|
||
|
|
//
|
||
|
|
VdmTib = NtCurrentTeb()->Vdm;
|
||
|
|
|
||
|
|
if (VdmTib->TraceInfo.pTraceTable) {
|
||
|
|
|
||
|
|
pEntry = &VdmTib->TraceInfo.pTraceTable[VdmTib->TraceInfo.CurrentEntry];
|
||
|
|
|
||
|
|
pEntry->Type = Type;
|
||
|
|
pEntry->wData = wData;
|
||
|
|
pEntry->lData = lData;
|
||
|
|
|
||
|
|
switch (VdmTib->TraceInfo.Flags & VDMTI_TIMER_MODE) {
|
||
|
|
case VDMTI_TIMER_TICK:
|
||
|
|
CurTime.LowPart = NtGetTickCount();
|
||
|
|
pEntry->Time = CurTime.LowPart - VdmTib->TraceInfo.TimeStamp.LowPart;
|
||
|
|
VdmTib->TraceInfo.TimeStamp.LowPart = CurTime.LowPart;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case VDMTI_TIMER_PERFCTR:
|
||
|
|
pEntry->Time = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case VDMTI_TIMER_STAT:
|
||
|
|
pEntry->Time = 0;
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
pEntry->eax = TrapFrame->Eax;
|
||
|
|
pEntry->ebx = TrapFrame->Ebx;
|
||
|
|
pEntry->ecx = TrapFrame->Ecx;
|
||
|
|
pEntry->edx = TrapFrame->Edx;
|
||
|
|
pEntry->esi = TrapFrame->Esi;
|
||
|
|
pEntry->edi = TrapFrame->Edi;
|
||
|
|
pEntry->ebp = TrapFrame->Ebp;
|
||
|
|
pEntry->esp = TrapFrame->HardwareEsp;
|
||
|
|
pEntry->eip = TrapFrame->Eip;
|
||
|
|
pEntry->eflags = TrapFrame->EFlags;
|
||
|
|
|
||
|
|
pEntry->cs = (USHORT) TrapFrame->SegCs;
|
||
|
|
pEntry->ds = (USHORT) TrapFrame->SegDs;
|
||
|
|
pEntry->es = (USHORT) TrapFrame->SegEs;
|
||
|
|
pEntry->fs = (USHORT) TrapFrame->SegFs;
|
||
|
|
pEntry->gs = (USHORT) TrapFrame->SegGs;
|
||
|
|
pEntry->ss = (USHORT) TrapFrame->HardwareSegSs;
|
||
|
|
|
||
|
|
if (++VdmTib->TraceInfo.CurrentEntry >=
|
||
|
|
(VdmTib->TraceInfo.NumPages*4096/sizeof(VDM_TRACEENTRY))) {
|
||
|
|
VdmTib->TraceInfo.CurrentEntry = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
} except(EXCEPTION_EXECUTE_HANDLER) {
|
||
|
|
Status = GetExceptionCode();
|
||
|
|
}
|
||
|
|
|
||
|
|
KeLowerIrql(OldIrql);
|
||
|
|
#endif
|
||
|
|
#else
|
||
|
|
UNREFERENCED_PARAMETER (Type);
|
||
|
|
UNREFERENCED_PARAMETER (wData);
|
||
|
|
UNREFERENCED_PARAMETER (lData);
|
||
|
|
UNREFERENCED_PARAMETER (TrapFrame);
|
||
|
|
#endif
|
||
|
|
}
|