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Fixed issue that cause user-mode exception stack traces not to work. Patch by Mike Nordell.

Browse Source 
svn path=/trunk/; revision=7059
This commit is contained in:
Filip Navara
2003-12-14 19:43:09 +00:00
parent 8f77e7b0ae
commit 0a1e17fdad
1 changed files with 8 additions and 8 deletions
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reactos/ntoskrnl/ke/catch.c
+8 -8
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@@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: catch.c,v 1.37 2003/12/12 17:09:27 weiden Exp $
/* $Id: catch.c,v 1.38 2003/12/14 19:43:09 navaraf Exp $
*
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/ke/catch.c
@@ -99,6 +99,7 @@ KiDispatchException(PEXCEPTION_RECORD ExceptionRecord,
PULONG Stack;
ULONG CDest;
char temp_space[12 + sizeof(EXCEPTION_RECORD) + sizeof(CONTEXT)]; // FIXME: HACKHACK
PULONG pNewUserStack = (PULONG)(Tf->Esp - (12 + sizeof(EXCEPTION_RECORD) + sizeof(CONTEXT)));
NTSTATUS StatusOfCopy;
/* FIXME: Forward exception to user mode debugger */
@@ -113,19 +114,18 @@ KiDispatchException(PEXCEPTION_RECORD ExceptionRecord,
/* Return address */
Stack[0] = 0;
/* Pointer to EXCEPTION_RECORD structure */
Stack[1] = (ULONG)&Stack[3];
Stack[1] = (ULONG)&pNewUserStack[3];
/* Pointer to CONTEXT structure */
Stack[2] = (ULONG)&Stack[CDest];
Stack[2] = (ULONG)&pNewUserStack[CDest];
memcpy(&Stack[3], ExceptionRecord, sizeof(EXCEPTION_RECORD));
memcpy(&Stack[CDest], Context, sizeof(CONTEXT));
StatusOfCopy = MmCopyToCaller((PVOID)(Tf->Esp - (12 + sizeof(EXCEPTION_RECORD) + sizeof(CONTEXT))),
temp_space,
(12 + sizeof(EXCEPTION_RECORD) + sizeof(CONTEXT)));
StatusOfCopy = MmCopyToCaller(pNewUserStack,
temp_space,
(12 + sizeof(EXCEPTION_RECORD) + sizeof(CONTEXT)));
if (NT_SUCCESS(StatusOfCopy))
{
Tf->Esp = Tf->Esp -
(12 + sizeof(EXCEPTION_RECORD) + sizeof(CONTEXT));
Tf->Esp = (ULONG)pNewUserStack;
}
else
{