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new debug macros, simplify selective debug output

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git-svn-id: https://svn.code.sf.net/p/freedos/svn/kernel/branches/UNSTABLE@1099 6ac86273-5f31-0410-b378-82cca8765d1b
This commit is contained in:
Kenneth J Davis 2005-01-29 20:18:03 +00:00
parent 4a2ad74a44
commit a7a1b4ff1e
1 changed files with 110 additions and 0 deletions
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hdr/debug.h Normal file
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/****************************************************************/
/* */
/* debug.h */
/* */
/* Routines to assist in debugging the kernel */
/* */
/* January, 2005 */
/* */
/* Copyright (c) 2005 */
/* FreeDOS kernel dev. */
/* All Rights Reserved */
/* */
/* This file is part of DOS-C. */
/* */
/* DOS-C 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. */
/* */
/* DOS-C 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 DOS-C; see the file COPYING. If not, */
/* write to the Free Software Foundation, 675 Mass Ave, */
/* Cambridge, MA 02139, USA. */
/****************************************************************/
#ifndef __DEBUG_H
#define __DEBUG_H
/* #define DEBUG (usually via 'build debug') to
enable debug support.
NOTE: this file included by INIT time code and normal
resident code, so use care for all memory references
*/
/* use to limit output to debug builds */
#ifdef DEBUG
#define DebugPrintf(x) printf x
#else
#define DebugPrintf(x)
#endif
/* use to disable a chunk of debug output, but
keep around for later use. */
#define DDebugPrintf(x)
/* enable or disable various chunks of debug output */
/* show stored IRQ vectors */
/* #define DEBUGIRQ */
/* display output during kernel config processing phase */
/* #define DEBUGCFG */
#ifdef DEBUGCFG
#define CfgDbgPrintf(x) printf x
#else
#define CfgDbgPrintf(x)
#endif
/* display info on various DOS functions (dosfns.c) */
/* #define DEBUGDOSFNS */
#ifdef DEBUGDOSFNS
#define DFnsDbgPrintf(x) printf x
#else
#define DFnsDbgPrintf(x)
#endif
/* extra debug output related to chdir */
/* #define CHDIR_DEBUG */
/* extra debug output related to findfirst */
/* #define FIND_DEBUG */
/* display info on various DOS directory functions (fatdir.c) */
/* #define DEBUGFATDIR */
#ifdef DEBUGFATDIR
#define FDirDbgPrintf(x) printf x
#else
#define FDirDbgPrintf(x)
#endif
/* extra debug output marking sections */
/* #define DISPLAY_GETBLOCK */
/* display info on various FAT handling functions (fatfs.c) */
/* #define DEBUGFATFS */
#ifdef DEBUGFATFS
#define FatFSDbgPrintf(x) printf x
#else
#define FatFSDbgPrintf(x)
#endif
/* just to be sure printf is declared */
#if defined(DEBUG) || defined(DEBUGIRQ) || defined(DEBUGCFG) || \
defined(DEBUGDOSFNS) || defined(CHDIR_DEBUG) || defined(FIND_DEBUG) || \
defined(DEBUGFATDIR) || defined(DEBUGFATFS)
#ifndef DEBUG_NEED_PRINTF
#define DEBUG_NEED_PRINTF
void printf(const char *, ...);
#endif
#endif
#endif /* __DEBUG_H */