Where is this damn bug? where?

reactos/ntoskrnl/ke

diff -u -r1.42 -r1.42.8.1
--- catch.c	7 May 2004 05:12:10 -0000	1.42
+++ catch.c	26 Jun 2004 00:49:38 -0000	1.42.8.1
@@ -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 1.42 2004/05/07 05:12:10 royce Exp $

+/* $Id: catch.c,v 1.42.8.1 2004/06/26 00:49:38 hyperion Exp $

  *
  * PROJECT:              ReactOS kernel
  * FILE:                 ntoskrnl/ke/catch.c

@@ -56,8 +56,18 @@

   CONTEXT TContext;
   KD_CONTINUE_TYPE Action = kdContinue;
 

+  PVOID ExceptionList;
+
+  __asm__("cli");
+
+  ExceptionList = NtCurrentTeb()->Tib.ExceptionList;
+
+  if(NtCurrentTeb()->Tib.ExceptionList != ExceptionList) DbgBreakPoint();
+

   DPRINT("KiDispatchException() called\n");
 

+  if(NtCurrentTeb()->Tib.ExceptionList != ExceptionList) DbgBreakPoint();
+

   /* PCR->KeExceptionDispatchCount++; */
 
   if (Context == NULL)

@@ -73,6 +83,8 @@

       Context = &TContext;
     }
 

+  if(NtCurrentTeb()->Tib.ExceptionList != ExceptionList) DbgBreakPoint();
+

 #if 0
   if (ExceptionRecord->ExceptionCode == STATUS_BREAKPOINT) 
     {

@@ -80,17 +92,22 @@

     }
 #endif
       

+  if(NtCurrentTeb()->Tib.ExceptionList != ExceptionList) DbgBreakPoint();
+

   if (KdDebuggerEnabled && KdDebugState & KD_DEBUG_GDB)
     {
       Action = KdEnterDebuggerException (ExceptionRecord, Context, Tf);
     }

+
+  if(NtCurrentTeb()->Tib.ExceptionList != ExceptionList) DbgBreakPoint();
+

 #ifdef KDBG
   else if (KdDebuggerEnabled && KdDebugState & KD_DEBUG_KDB)
     {
       Action = KdbEnterDebuggerException (ExceptionRecord, Context, Tf);
       if (Action == kdContinue)
 	{

-	  return;

+	  goto l_return;

 	}
     }
 #endif /* KDBG */

@@ -139,7 +156,7 @@

 	          DPRINT1("User-mode stack was invalid. Terminating target thread\nn");
 	        }
 	      Tf->Eip = (ULONG)LdrpGetSystemDllExceptionDispatcher();

-	      return;

+	      goto l_return;

 	    }
 
 	  /* FIXME: Forward the exception to the debugger */

@@ -156,9 +173,13 @@

 	}
       else
 	{

+          if(NtCurrentTeb()->Tib.ExceptionList != ExceptionList) DbgBreakPoint();
+

 	  /* PreviousMode == KernelMode */
 	  Value = RtlpDispatchException (ExceptionRecord, Context);

-	  

+
+          if(NtCurrentTeb()->Tib.ExceptionList != ExceptionList) DbgBreakPoint();
+

 	  DPRINT("RtlpDispatchException() returned with 0x%X\n", Value);
 	  /* 
 	   * If RtlpDispatchException() does not handle the exception then 

@@ -177,6 +198,9 @@

     {
       KeContextToTrapFrame (Context, KeGetCurrentThread()->TrapFrame);
     }

+
+l_return:
+  __asm__("sti");

 }
 
 /*