Source code of Windows XP (NT5)
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167 lines
2.6 KiB

#include "precomp.h"
//
// TRC.C
// Debug Tracing
// This emulates the code found in NMUTIL for ring0
//
// Copyright(c) Microsoft 1997-
//
#if defined(DEBUG) || defined(INIT_TRACE)
char s_ASDbgArea[] = "Salem ";
#ifdef _M_ALPHA
va_list g_trcDummyVa = {NULL, 0};
#define DUMMY_VA_LIST g_trcDummyVa
#else
#define DUMMY_VA_LIST NULL
#endif // _M_ALPHA
//
// Debug only
//
#ifdef DEBUG
//
// DbgZPrintFn()
// DbgZPrintFnExitDWORD()
// DbgZPrintFnExitPVOID()
//
// This prints out strings for function tracing
//
void DbgZPrintFn(LPSTR szFn)
{
if (g_trcConfig & ZONE_FUNCTION)
{
sprintf(g_szDbgBuf, "%s\n", szFn);
EngDebugPrint(s_ASDbgArea, g_szDbgBuf, DUMMY_VA_LIST);
}
}
void DbgZPrintFnExitDWORD(LPSTR szFn, DWORD dwResult)
{
if (g_trcConfig & ZONE_FUNCTION)
{
sprintf(g_szDbgBuf, "%s, RETURN %d\n", szFn, dwResult);
EngDebugPrint(s_ASDbgArea, g_szDbgBuf, DUMMY_VA_LIST);
}
}
void DbgZPrintFnExitPVOID(LPSTR szFn, PVOID ptr)
{
if (g_trcConfig & ZONE_FUNCTION)
{
sprintf(g_szDbgBuf, "%s, RETURN 0x%p\n", szFn, ptr);
EngDebugPrint(s_ASDbgArea, g_szDbgBuf, DUMMY_VA_LIST);
}
}
//
// DbgZPrintTrace()
//
// This prints out a trace string
//
void DbgZPrintTrace(LPSTR szFormat, ...)
{
if (g_trcConfig & ZONE_TRACE)
{
va_list varArgs;
va_start(varArgs, szFormat);
sprintf(g_szDbgBuf, "TRACE: %s\n", szFormat);
EngDebugPrint(s_ASDbgArea, g_szDbgBuf, varArgs);
va_end(varArgs);
}
}
//
// DbgZPrintWarning()
//
// This prints out a warning string
//
void DbgZPrintWarning(PSTR szFormat, ...)
{
va_list varArgs;
va_start(varArgs, szFormat);
sprintf(g_szDbgBuf, "WARNING: %s\n", szFormat);
EngDebugPrint(s_ASDbgArea, g_szDbgBuf, varArgs);
va_end(varArgs);
}
#endif // DEBUG
//
// DbgZPrintInit()
//
// This is special case tracing only for the init code, which can be
// built even in retail
//
void DbgZPrintInit(LPSTR szFormat, ...)
{
if (g_trcConfig & ZONE_INIT)
{
va_list varArgs;
va_start(varArgs, szFormat);
sprintf(g_szDbgBuf, "%s\n", szFormat);
EngDebugPrint(s_ASDbgArea, g_szDbgBuf, varArgs);
va_end(varArgs);
}
}
//
// DbgZPrintError()
//
// This prints out an error string then breaks into the kernel debugger.
//
void DbgZPrintError(LPSTR szFormat, ...)
{
va_list varArgs;
va_start(varArgs, szFormat);
sprintf(g_szDbgBuf, "ERROR: %s\n", szFormat);
EngDebugPrint(s_ASDbgArea, g_szDbgBuf, varArgs);
va_end(varArgs);
EngDebugBreak();
}
#endif // DEBUG or INIT_TRACE