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[NTVDM]

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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
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17
subsystems/ntvdm/bop.c
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@ -296,18 +296,31 @@ EMULATOR_BOP_PROC BopProc[EMULATOR_MAX_BOP_NUM] =
VOID WINAPI Exception(BYTE ExceptionNumber, LPWORD Stack) VOID WINAPI Exception(BYTE ExceptionNumber, LPWORD Stack)
{ {
WORD CodeSegment, InstructionPointer; WORD CodeSegment, InstructionPointer;
PBYTE Opcode;
ASSERT(ExceptionNumber < 8); ASSERT(ExceptionNumber < 8);
/* Get the CS:IP */ /* Get the CS:IP */
InstructionPointer = Stack[STACK_IP]; InstructionPointer = Stack[STACK_IP];
CodeSegment = Stack[STACK_CS]; CodeSegment = Stack[STACK_CS];
Opcode = (PBYTE)SEG_OFF_TO_PTR(CodeSegment, InstructionPointer);
/* Display a message to the user */ /* 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], ExceptionName[ExceptionNumber],
CodeSegment, 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 */ /* Stop the VDM */
VdmRunning = FALSE; VdmRunning = FALSE;