[aandrejevic] 60897: [NTVDM] Display the opcode when an unhandled exception occurs.

Author: aandrejevic
Date: Sat Nov  9 15:48:07 2013
New Revision: 60897

URL: http://svn.reactos.org/svn/reactos?rev=60897&view=rev
Log:
[NTVDM]
Display the opcode when an unhandled exception occurs.

Modified:
    branches/ntvdm/subsystems/ntvdm/bop.c

Modified: branches/ntvdm/subsystems/ntvdm/bop.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/ntvdm/bop.c?rev...
==============================================================================
--- branches/ntvdm/subsystems/ntvdm/bop.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/ntvdm/bop.c	[iso-8859-1] Sat Nov  9 15:48:07 2013
@@ -296,18 +296,31 @@
 VOID WINAPI Exception(BYTE ExceptionNumber, LPWORD Stack)
 {
     WORD CodeSegment, InstructionPointer;
+    PBYTE Opcode;

ASSERT(ExceptionNumber < 8);

/* Get the CS:IP */
     InstructionPointer = Stack[STACK_IP];
     CodeSegment = Stack[STACK_CS];
+    Opcode = (PBYTE)SEG_OFF_TO_PTR(CodeSegment, InstructionPointer);

/* Display a message to the user */
-    DisplayMessage(L"Exception: %s occured at %04X:%04X",
+    DisplayMessage(L"Exception: %s occured at %04X:%04X\n"
+                   L"Opcode: %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X",
                    ExceptionName[ExceptionNumber],
                    CodeSegment,
-                   InstructionPointer);
+                   InstructionPointer,
+                   Opcode[0],
+                   Opcode[1],
+                   Opcode[2],
+                   Opcode[3],
+                   Opcode[4],
+                   Opcode[5],
+                   Opcode[6],
+                   Opcode[7],
+                   Opcode[8],
+                   Opcode[9]);

/* Stop the VDM */
     VdmRunning = FALSE;