Subversion Repositories or1k_old

#ifndef _TRACING_H

#define _TRACING_H

/*

 * Copyright (C) 1994-1995 Bas Laarhoven.

 This program is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

 the Free Software Foundation; either version 2, or (at your option)

 any later version.

 This program is distributed in the hope that it will be useful,

 but WITHOUT ANY WARRANTY; without even the implied warranty of

 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License

 along with this program; see the file COPYING.  If not, write to

 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.

 *

 $Source: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/uclinux/uClinux-2.0.x/drivers/char/ftape/tracing.h,v $

 $Author: simons $

 *

 $Revision: 1.1.1.1 $

 $Date: 2001-09-10 07:44:18 $

 $State: Exp $

 *

 *      This file contains definitions that eases the debugging

 *      of the QIC-40/80 floppy-tape driver for Linux.

 */

#include <linux/kernel.h>

#ifdef NO_TRACE_AT_ALL

static inline void trace_dummy(void)

{

}

#define TRACE_FUN( level, name) int _trace_dummy

#define TRACE_EXIT              _trace_dummy= 0

#define TRACE_(l,m)             trace_dummy()

#define TRACE(l,m)              trace_dummy()

#define TRACEi(l,m,i)           trace_dummy()

#define TRACElx(l,m,i)          trace_dummy()

#define TRACEx1(l,m,a)          trace_dummy()

#define TRACEx2(l,m,a,b)        trace_dummy()

#define TRACEx3(l,m,a,b,c)      trace_dummy()

#define TRACEx4(l,m,a,b,c,d)    trace_dummy()

#define TRACEx5(l,m,a,b,c,d,e)  trace_dummy()

#define TRACEx6(l,m,a,b,c,d,e,f)  trace_dummy()

#else

#ifdef NO_TRACE

#define TOP_LEVEL 2

#else

#define TOP_LEVEL 10

#endif

#define TRACE_FUN( level, name) \

  char _trace_fun[] = name; \

  int _function_nest_level = trace_call( level, __FILE__, _trace_fun); \

  int _tracing = level

#define TRACE_EXIT \

  function_nest_level = _function_nest_level; \

  trace_exit( _tracing, __FILE__, _trace_fun)

#define TRACE_(l,m) \

{ \

  if (tracing >= (l) && (l) <= TOP_LEVEL) { \

    trace_log( __FILE__, _trace_fun); \

    m; \

  } \

}

#define TRACE(l,m) TRACE_(l,printk(m".\n"))

#define TRACEi(l,m,i) TRACE_(l,printk(m" %d.\n",i))

#define TRACElx(l,m,i) TRACE_(l,printk(m" 0x%08lx.\n",i))

#define TRACEx1(l,m,a) TRACE_(l,printk(m".\n",a))

#define TRACEx2(l,m,a,b) TRACE_(l,printk(m".\n",a,b))

#define TRACEx3(l,m,a,b,c) TRACE_(l,printk(m".\n",a,b,c))

#define TRACEx4(l,m,a,b,c,d) TRACE_(l,printk(m".\n",a,b,c,d))

#define TRACEx5(l,m,a,b,c,d,e) TRACE_(l,printk(m".\n",a,b,c,d,e))

#define TRACEx6(l,m,a,b,c,d,e,f) TRACE_(l,printk(m".\n",a,b,c,d,e,f))

/*      Global variables declared in tracing.c

 */

extern unsigned char trace_id;

extern int tracing;             /* sets default level */

extern int function_nest_level;

/*      Global functions declared in tracing.c

 */

extern int trace_call(int level, char *file, char *name);

extern void trace_exit(int level, char *file, char *name);

extern void trace_log(char *file, char *name);

#endif                          /* NO_TRACE_AT_ALL */

#endif