mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
443 lines
7.4 KiB
443 lines
7.4 KiB
/*++
|
|
|
|
Copyright (c) 1994 Microsoft Corporation
|
|
|
|
Module Name:
|
|
|
|
debug.c
|
|
|
|
Abstract:
|
|
|
|
This module implements utility functions.
|
|
|
|
Author:
|
|
|
|
David N. Cutler (davec) 21-Sep-1994
|
|
|
|
Environment:
|
|
|
|
Kernel mode only.
|
|
|
|
Revision History:
|
|
|
|
--*/
|
|
|
|
#include "nthal.h"
|
|
#include "emulate.h"
|
|
|
|
#if defined(XM_DEBUG)
|
|
|
|
|
|
//
|
|
// Define counter used to control flag tracing.
|
|
//
|
|
|
|
ULONG XmTraceCount = 0;
|
|
|
|
VOID
|
|
XmTraceDestination (
|
|
IN PRXM_CONTEXT P,
|
|
IN ULONG Destination
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces the destination value if the TRACE_OPERANDS
|
|
flag is set.
|
|
|
|
Arguments:
|
|
|
|
P - Supplies a pointer to an emulator context structure.
|
|
|
|
Result - Supplies the destination value to trace.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace result of operation.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_OPERANDS) != 0) {
|
|
if (P->DataType == BYTE_DATA) {
|
|
DEBUG_PRINT(("\n Dst - %02lx", Destination));
|
|
|
|
} else if (P->DataType == WORD_DATA) {
|
|
DEBUG_PRINT(("\n Dst - %04lx", Destination));
|
|
|
|
} else {
|
|
DEBUG_PRINT(("\n Dst - %08lx", Destination));
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceFlags (
|
|
IN PRXM_CONTEXT P
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces the condition flags if the TRACE_FLAGS flag
|
|
is set.
|
|
|
|
Arguments:
|
|
|
|
P - Supplies a pointer to an emulator context structure.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace flags.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_OPERANDS) != 0) {
|
|
DEBUG_PRINT(("\n OF-%lx, DF-%lx, SF-%lx, ZF-%lx, AF-%lx, PF-%lx, CF-%lx",
|
|
(ULONG)P->Eflags.EFLAG_OF,
|
|
(ULONG)P->Eflags.EFLAG_DF,
|
|
(ULONG)P->Eflags.EFLAG_SF,
|
|
(ULONG)P->Eflags.EFLAG_ZF,
|
|
(ULONG)P->Eflags.EFLAG_AF,
|
|
(ULONG)P->Eflags.EFLAG_PF,
|
|
(ULONG)P->Eflags.EFLAG_CF));
|
|
}
|
|
|
|
//
|
|
// Increment the trace count and if the result is even, then put
|
|
// out a new line.
|
|
//
|
|
|
|
XmTraceCount += 1;
|
|
if (((XmTraceCount & 1) == 0) && (XmDebugFlags != 0)) {
|
|
DEBUG_PRINT(("\n"));
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceJumps (
|
|
IN PRXM_CONTEXT P
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces jump operations if the TRACE_JUMPS flag is set.
|
|
|
|
Arguments:
|
|
|
|
P - Supplies a pointer to an emulator context structure.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace jumps.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_JUMPS) != 0) {
|
|
DEBUG_PRINT(("\n Jump to %04lx:%04lx",
|
|
(ULONG)P->SegmentRegister[CS],
|
|
(ULONG)P->Eip));
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceInstruction (
|
|
IN XM_OPERATION_DATATYPE DataType,
|
|
IN ULONG Instruction
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces instructions if the TRACE_OPERANDS flag is
|
|
set.
|
|
|
|
Arguments:
|
|
|
|
DataType - Supplies the data type of the instruction value.
|
|
|
|
Instruction - Supplies the instruction value to trace.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace instruction stream of operation.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_OPERANDS) != 0) {
|
|
if (DataType == BYTE_DATA) {
|
|
DEBUG_PRINT(("%02lx ", Instruction));
|
|
|
|
} else if (DataType == WORD_DATA) {
|
|
DEBUG_PRINT(("%04lx ", Instruction));
|
|
|
|
} else {
|
|
DEBUG_PRINT(("%08lx ", Instruction));
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceOverride (
|
|
IN PRXM_CONTEXT P
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces segment override prefixes.
|
|
|
|
Arguments:
|
|
|
|
P - Supplies a pointer to an emulator context structure.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
PCHAR Name = "ECSDFG";
|
|
ULONG Segment;
|
|
|
|
//
|
|
// Trace segment override.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_OVERRIDE) != 0) {
|
|
Segment = P->DataSegment;
|
|
DEBUG_PRINT(("\n %cS:Selector - %04lx, Limit - %04lx",
|
|
(ULONG)Name[Segment],
|
|
(ULONG)P->SegmentRegister[Segment],
|
|
P->SegmentLimit[Segment]));
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceRegisters (
|
|
IN PRXM_CONTEXT P
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces emulator registers.
|
|
|
|
Arguments:
|
|
|
|
P - Supplies a pointer to an emulator context structure.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace general register.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_GENERAL_REGISTERS) != 0) {
|
|
DEBUG_PRINT(("\n EAX-%08lx ECX-%08lx EDX-%08lx EBX-%08lx",
|
|
P->Gpr[EAX].Exx,
|
|
P->Gpr[ECX].Exx,
|
|
P->Gpr[EDX].Exx,
|
|
P->Gpr[EBX].Exx));
|
|
|
|
DEBUG_PRINT(("\n ESP-%08lx EBP-%08lx ESI-%08lx EDI-%08lx",
|
|
P->Gpr[ESP].Exx,
|
|
P->Gpr[EBP].Exx,
|
|
P->Gpr[ESI].Exx,
|
|
P->Gpr[EDI].Exx));
|
|
|
|
DEBUG_PRINT(("\n ES:%04lx CS:%04lx SS:%04lx DS:%04lx FS:%04lx GS:%04lx",
|
|
(ULONG)P->SegmentRegister[ES],
|
|
(ULONG)P->SegmentRegister[CS],
|
|
(ULONG)P->SegmentRegister[SS],
|
|
(ULONG)P->SegmentRegister[DS],
|
|
(ULONG)P->SegmentRegister[FS],
|
|
(ULONG)P->SegmentRegister[GS]));
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceResult (
|
|
IN PRXM_CONTEXT P,
|
|
IN ULONG Result
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces the result value if the TRACE_OPERANDS
|
|
flag is set.
|
|
|
|
Arguments:
|
|
|
|
P - Supplies a pointer to an emulator context structure.
|
|
|
|
Result - Supplies the result value to trace.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace result of operation.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_OPERANDS) != 0) {
|
|
if (P->DataType == BYTE_DATA) {
|
|
DEBUG_PRINT(("\n Rsl - %02lx", Result));
|
|
|
|
} else if (P->DataType == WORD_DATA) {
|
|
DEBUG_PRINT(("\n Rsl - %04lx", Result));
|
|
|
|
} else {
|
|
DEBUG_PRINT(("\n Rsl - %08lx", Result));
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceSpecifier (
|
|
IN UCHAR Specifier
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces the specifiern if the TRACE_OPERANDS flag is
|
|
set.
|
|
|
|
Arguments:
|
|
|
|
Specifier - Supplies the specifier value to trace.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace instruction stream of operation.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_OPERANDS) != 0) {
|
|
DEBUG_PRINT(("%02lx ", Specifier));
|
|
if ((XmDebugFlags & TRACE_SPECIFIERS) != 0) {
|
|
DEBUG_PRINT(("(mod-%01lx reg-%01lx r/m-%01lx) ",
|
|
(Specifier >> 6) & 0x3,
|
|
(Specifier >> 3) & 0x7,
|
|
(Specifier >> 0) & 0x7));
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
VOID
|
|
XmTraceSource (
|
|
IN PRXM_CONTEXT P,
|
|
IN ULONG Source
|
|
)
|
|
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function traces the source value if the TRACE_OPERANDS
|
|
flag is set.
|
|
|
|
Arguments:
|
|
|
|
P - Supplies a pointer to an emulator context structure.
|
|
|
|
Source - Supplies the source value to trace.
|
|
|
|
Return Value:
|
|
|
|
None.
|
|
|
|
--*/
|
|
|
|
{
|
|
|
|
//
|
|
// Trace result of operation.
|
|
//
|
|
|
|
if ((XmDebugFlags & TRACE_OPERANDS) != 0) {
|
|
if (P->DataType == BYTE_DATA) {
|
|
DEBUG_PRINT(("\n Src - %02lx", Source));
|
|
|
|
} else if (P->DataType == WORD_DATA) {
|
|
DEBUG_PRINT(("\n Src - %04lx", Source));
|
|
|
|
} else {
|
|
DEBUG_PRINT(("\n Src - %08lx", Source));
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
#endif
|