Leaked source code of windows server 2003
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169 lines
3.8 KiB

// Copyright (c) 1998-1999, Microsoft Corporation, all rights reserved
//
// debug.c
// IEEE1394 mini-port/call-manager driver
// Debug utilities and globals
//
// 12/28/1998 JosephJ.
//
#include "precomp.h"
//-----------------------------------------------------------------------------
// Global data definitions
//-----------------------------------------------------------------------------
//
// Temporary definition for testing purposes
//
#if TESTMODE
#define DEFAULTTRACELEVEL TL_V
#define DEFAULTTRACEMASK TM_RemRef
#else
#define DEFAULTTRACELEVEL TL_None
#define DEFAULTTRACEMASK TM_Base
#endif
// Active debug trace level and active trace set mask. Set these variables
// with the debugger at startup to enable and filter the debug output. All
// messages with (TL_*) level less than or equal to 'g_ulTraceLevel' are
// displayed. All messages from any (TM_*) set(s) present in 'g_ulTraceMask'
// are displayed.
//
ULONG g_ulTraceLevel = DEFAULTTRACELEVEL;
ULONG g_ulTraceMask = DEFAULTTRACEMASK;
//-----------------------------------------------------------------------------
// Routines
//-----------------------------------------------------------------------------
#if DBG
VOID
CheckList(
IN LIST_ENTRY* pList,
IN BOOLEAN fShowLinks )
// Tries to detect corruption in list 'pList', printing verbose linkage
// output if 'fShowLinks' is set.
//
{
LIST_ENTRY* pLink;
ULONG ul;
ul = 0;
for (pLink = pList->Flink;
pLink != pList;
pLink = pLink->Flink)
{
if (fShowLinks)
{
DbgPrint( "N13: CheckList($%p) Flink(%d)=$%p\n",
pList, ul, pLink );
}
++ul;
}
for (pLink = pList->Blink;
pLink != pList;
pLink = pLink->Blink)
{
if (fShowLinks)
{
DbgPrint( "N13: CheckList($%p) Blink(%d)=$%p\n",
pList, ul, pLink );
}
--ul;
}
if (ul)
{
DbgBreakPoint();
}
}
#endif
#if DBG
VOID
Dump(
IN CHAR* p,
IN ULONG cb,
IN BOOLEAN fAddress,
IN ULONG ulGroup )
// Hex dump 'cb' bytes starting at 'p' grouping 'ulGroup' bytes together.
// For example, with 'ulGroup' of 1, 2, and 4:
//
// 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................|
// 0000 0000 0000 0000 0000 0000 0000 0000 |................|
// 00000000 00000000 00000000 00000000 |................|
//
// If 'fAddress' is true, the memory address dumped is prepended to each
// line.
//
{
while (cb)
{
INT cbLine;
cbLine = (cb < DUMP_BytesPerLine) ? cb : DUMP_BytesPerLine;
DumpLine( p, cbLine, fAddress, ulGroup );
cb -= cbLine;
p += cbLine;
}
}
#endif
#if DBG
VOID
DumpLine(
IN CHAR* p,
IN ULONG cb,
IN BOOLEAN fAddress,
IN ULONG ulGroup )
{
CHAR* pszDigits = "0123456789ABCDEF";
CHAR szHex[ ((2 + 1) * DUMP_BytesPerLine) + 1 ];
CHAR* pszHex = szHex;
CHAR szAscii[ DUMP_BytesPerLine + 1 ];
CHAR* pszAscii = szAscii;
ULONG ulGrouped = 0;
if (fAddress)
DbgPrint( "N13: %p: ", p );
else
DbgPrint( "N13: " );
while (cb)
{
*pszHex++ = pszDigits[ ((UCHAR )*p) / 16 ];
*pszHex++ = pszDigits[ ((UCHAR )*p) % 16 ];
if (++ulGrouped >= ulGroup)
{
*pszHex++ = ' ';
ulGrouped = 0;
}
*pszAscii++ = (*p >= 32 && *p < 128) ? *p : '.';
++p;
--cb;
}
*pszHex = '\0';
*pszAscii = '\0';
DbgPrint(
"%-*s|%-*s|\n",
(2 * DUMP_BytesPerLine) + (DUMP_BytesPerLine / ulGroup), szHex,
DUMP_BytesPerLine, szAscii );
}
#endif