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- Use correct trapframe during set/get context. Thanks to blight for noticing the bug.

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svn path=/trunk/; revision=18963
This commit is contained in:
Alex Ionescu 2005-11-02 23:57:38 +00:00
parent a5ad40f6c0
commit de1acafe9a
1 changed files with 14 additions and 7 deletions
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21
reactos/ntoskrnl/ps/debug.c
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@ -44,23 +44,30 @@ PspGetOrSetContextKernelRoutine(PKAPC Apc,
PKEVENT Event; PKEVENT Event;
PCONTEXT Context; PCONTEXT Context;
KPROCESSOR_MODE Mode; KPROCESSOR_MODE Mode;
PETHREAD Thread;
PKTRAP_FRAME TrapFrame;
/* Get the Context Structure */ /* Get the Context Structure */
GetSetContext = CONTAINING_RECORD(Apc, GET_SET_CTX_CONTEXT, Apc); GetSetContext = CONTAINING_RECORD(Apc, GET_SET_CTX_CONTEXT, Apc);
Context = &GetSetContext->Context; Context = &GetSetContext->Context;
Event = &GetSetContext->Event; Event = &GetSetContext->Event;
Mode = GetSetContext->Mode; Mode = GetSetContext->Mode;
Thread = SystemArgument2;
/* Get trap frame */
TrapFrame = (PKTRAP_FRAME)((ULONG_PTR)Thread->Tcb.InitialStack -
sizeof(KTRAP_FRAME) - sizeof(FX_SAVE_AREA));
/* Check if it's a set or get */ /* Check if it's a set or get */
if (SystemArgument1) { if (SystemArgument1)
{
/* Get the Context */ /* Get the Context */
KeTrapFrameToContext(KeGetCurrentThread()->TrapFrame, NULL, Context); KeTrapFrameToContext(TrapFrame, NULL, Context);
}
} else { else
{
/* Set the Context */ /* Set the Context */
KeContextToTrapFrame(Context, NULL, KeGetCurrentThread()->TrapFrame, Mode); KeContextToTrapFrame(Context, NULL, TrapFrame, Mode);
} }
/* Notify the Native API that we are done */ /* Notify the Native API that we are done */