debug.cpp

WMD驱动编程,本人收集整理的10多个例子和编程环境配置文档,特别是8139驱动,加了许多说明,并测试通过.

///////////////////////////////////////////////////////////////////////////////
//
//	(C) Copyright 1999 - 2000 Mark Roddy
//	All Rights Reserved
//
//	Hollis Technology Solutions
//	94 Dow Road
//	Hollis, NH 03049
//	[e-mail]
//
//	Synopsis: 
// 
//
//	Version Information:
//
//	$Header: /iphook/sys/driver/Debug.cpp 4     4/23/00 5:10p Markr $ 
//
///////////////////////////////////////////////////////////////////////////////
#include <stdarg.h>
#include "stdio.h"
#include "stddef.h"
#include "htsglib.h"

HTS_DEBUG_THIS_FILE

ULONG HtsDebugLevel = HTS_DEBUG_LOW;


#if DBG

#define DEBUG_BUFFER_SIZE 256

void
HtsDebugPrint(
    ULONG Level,
    PCHAR Format,
    ...
    )
{
	CHAR buffer[DEBUG_BUFFER_SIZE];

    va_list args;

    va_start(args, Format);


    if ((Level & HTS_DEBUG_MASK) >= HtsDebugLevel) {

        _vsnprintf(buffer, DEBUG_BUFFER_SIZE, Format, args);

        DbgPrint(buffer);
    }

    va_end(args);

}

#else

void
HtsDebugPrint(
    ULONG Level,
    PCHAR Format,
    ...
    )
{
}

#endif



ULONG HtsDriverId = 0;

void HtsBugCheck(PCHAR message, ULONG param1, ULONG param2, ULONG param3, ULONG param4)
{

	DbgPrint("\n\nKernel Failure: \"%s\" \n\n\n"
		     "[                       System Halting                           ]\n", message);

	KeBugCheckEx(BUGCODE_ID_DRIVER, param1, param2, param3, param4);

}



ULONG HtsExceptionFilter( ULONG Code, PEXCEPTION_POINTERS pointers)
{
    PEXCEPTION_RECORD ExceptionRecord;
    PCONTEXT Context;

    ExceptionRecord = pointers->ExceptionRecord;
    Context = pointers->ContextRecord;

#if DBG

    DbgPrint("*************** Exception Failure **************************\n");
    DbgPrint("\n");
    DbgPrint(" An unexpected exception occurred.\n");
    DbgPrint(" Exception record at %x Context record at %x\n",
        ExceptionRecord, Context);
    DbgPrint(" WindBag: execute \"!cxr %x; !exr %x; !kb\" for stacktrace\n\n",
        Context, ExceptionRecord);

    DbgBreakPoint();

#endif

    return EXCEPTION_EXECUTE_HANDLER;
}
///////////////////////////////////////////////////////////////////////////////
// 
// Change History Log
//
// $Log: /iphook/sys/driver/Debug.cpp $
// 
// 4     4/23/00 5:10p Markr
// 
// 3     1/27/00 10:35p Markr
// Prepare to release!
//
///////////////////////////////////////////////////////////////////////////////