Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-10-06 17:35:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

[NTVDM]

Browse source 
Display the opcode when an unhandled exception occurs.


svn path=/branches/ntvdm/; revision=60897
This commit is contained in:
Aleksandar Andrejevic 2013-11-09 15:48:07 +00:00
parent ecd0b33743
commit e801e2f0ea
1 changed files with 15 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
subsystems/ntvdm/bop.c
View file

@ -296,18 +296,31 @@ EMULATOR_BOP_PROC BopProc[EMULATOR_MAX_BOP_NUM] =
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;