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Fix single-stepping through usermode code

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svn path=/trunk/; revision=6810
This commit is contained in:
Gé van Geldorp 2003-11-27 22:58:24 +00:00
parent 8a62f29d9e
commit b504c52de2
1 changed files with 7 additions and 4 deletions
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11
reactos/ntoskrnl/kd/gdbstub.c
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@ -540,14 +540,17 @@ GspLong2Hex (PCHAR *Address,
/*
* Esp is not stored in the trap frame, although there is a member with it's name.
* Instead, it was pointing to the location of the TrapFrame Esp member when the
* exception occured.
* When coming from kernel mode, Esp is not stored in the trap frame.
* Instead, it was pointing to the location of the TrapFrame Esp member
* when the exception occured. When coming from user mode, Esp is just
* stored in the TrapFrame Esp member.
*/
static LONG
GspGetEspFromTrapFrame(PKTRAP_FRAME TrapFrame)
{
return (LONG) &TrapFrame->Esp;
return KeGetPreviousMode() == KernelMode
? (LONG) &TrapFrame->Esp : TrapFrame->Esp;
}