[tkreuzer] 61009: [NTOSKRNL] Don't use KiTrapReturnNoSegmentsRet8, when single stepping is active. Fixes debugging with WinDbg

Author: tkreuzer
Date: Sat Nov 16 15:25:44 2013
New Revision: 61009

URL: http://svn.reactos.org/svn/reactos?rev=61009&view=rev
Log:
[NTOSKRNL]
Don't use KiTrapReturnNoSegmentsRet8, when single stepping is active. Fixes debugging with WinDbg

Modified:
    trunk/reactos/ntoskrnl/ke/i386/traphdlr.c

Modified: trunk/reactos/ntoskrnl/ke/i386/traphdlr.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ke/i386/traphdlr.c...
==============================================================================
--- trunk/reactos/ntoskrnl/ke/i386/traphdlr.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ke/i386/traphdlr.c	[iso-8859-1] Sat Nov 16 15:25:44 2013
@@ -129,6 +129,9 @@
     /* Check for edited frame */
     if (KiIsFrameEdited(TrapFrame)) KiEditedTrapReturn(TrapFrame);

+    /* Check if we have single stepping enabled */
+    if (TrapFrame->EFlags & EFLAGS_TF) KiTrapReturnNoSegments(TrapFrame);
+
     /* Exit the trap to kernel mode */
     KiTrapReturnNoSegmentsRet8(TrapFrame);
 }
@@ -190,6 +193,9 @@

/* Check for edited frame */
     if (KiIsFrameEdited(TrapFrame)) KiEditedTrapReturn(TrapFrame);
+
+    /* Check if we have single stepping enabled */
+    if (TrapFrame->EFlags & EFLAGS_TF) KiTrapReturnNoSegments(TrapFrame);

/* Exit the trap to kernel mode */
     KiTrapReturnNoSegmentsRet8(TrapFrame);