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nuttx/include/debug.h
patacongo 817b284a13 Support C pre-processors without variable-arg macros 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@535 42af7a65-404d-4744-a932-0658087f49c3
2008-01-09 01:13:24 +00:00

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7.1 KiB
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/****************************************************************************
* debug.h
*
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __DEBUG_H
#define __DEBUG_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/compiler.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* Debug macros to runtime filter the opsys debug messages */
#ifdef CONFIG_HAVE_FUNCTIONNAME
# define EXTRA_FMT "%s: "
# define EXTRA_ARG ,__FUNCTION__
#else
# define EXTRA_FMT
# define EXTRA_ARG
#endif
/* Debug macros will differ depending upon if the toolchain supports
* macros with a variable number of arguments or not.
*/
#ifdef CONFIG_CPP_HAVE_VARARGS
/* Variable argument macros supported */
#ifdef CONFIG_DEBUG
# define dbg(format, arg...) \
lib_rawprintf(EXTRA_FMT format EXTRA_ARG, ##arg)
# ifdef CONFIG_ARCH_LOWPUTC
# define lldbg(format, arg...) \
lib_lowprintf(EXTRA_FMT format EXTRA_ARG, ##arg)
# else
# define lldbg(x...)
# endif
# ifdef CONFIG_DEBUG_VERBOSE
# define vdbg(format, arg...) \
lib_rawprintf(EXTRA_FMT format EXTRA_ARG, ##arg)
# else
# define vdbg(x...)
# endif
#else /* CONFIG_DEBUG */
# define dbg(x...)
# define lldbg(x...)
# define vdbg(x...)
#endif /* CONFIG_DEBUG */
/* Subsystem specific debug */
#ifdef CONFIG_DEBUG_MM
# define mdbg(format, arg...) dbg(format, ##arg)
# define mlldbg(format, arg...) lldbg(format, ##arg)
# define mvdbg(format, arg...) vdbg(format, ##arg)
#else
# define mdbg(x...)
# define mlldbg(x...)
# define mvdbg(x...)
#endif
#ifdef CONFIG_DEBUG_SCHED
# define sdbg(format, arg...) dbg(format, ##arg)
# define slldbg(format, arg...) lldbg(format, ##arg)
# define svdbg(format, arg...) vdbg(format, ##arg)
#else
# define sdbg(x...)
# define slldbg(x...)
# define svdbg(x...)
#endif
#ifdef CONFIG_DEBUG_NET
# define ndbg(format, arg...) dbg(format, ##arg)
# define nlldbg(format, arg...) lldbg(format, ##arg)
# define nvdbg(format, arg...) vdbg(format, ##arg)
#else
# define ndbg(x...)
# define nlldbg(x...)
# define nvdbg(x...)
#endif
#ifdef CONFIG_DEBUG_FS
# define fdbg(format, arg...) dbg(format, ##arg)
# define flldbg(format, arg...) lldbg(format, ##arg)
# define fvdbg(format, arg...) vdbg(format, ##arg)
#else
# define fdbg(x...)
# define flldbg(x...)
# define fvdbg(x...)
#endif
#ifdef CONFIG_DEBUG_LIB
# define ldbg(format, arg...) dbg(format, ##arg)
# define llldbg(format, arg...) lldbg(format, ##arg)
# define lvdbg(format, arg...) vdbg(format, ##arg)
#else
# define ldbg(x...)
# define llldbg(x...)
# define lvdbg(x...)
#endif
#else /* CONFIG_CPP_HAVE_VARARGS */
/* Variable argument macros NOT supported */
#ifdef CONFIG_DEBUG
# ifndef CONFIG_ARCH_LOWPUTC
# define lldbg (void)
# endif
# ifndef CONFIG_DEBUG_VERBOSE
# define vdbg (void)
# endif
#else
# define dbg (void)
# define lldbg (void)
# define vdbg (void)
#endif
/* Subsystem specific debug */
#ifdef CONFIG_DEBUG_MM
# define mdbg dbg
# define mlldbg lldbg
# define mvdbg vdbg
#else
# define mdbg (void)
# define mlldbg (void)
# define mvdbg (void)
#endif
#ifdef CONFIG_DEBUG_SCHED
# define sdbg dbg
# define slldbg lldbg
# define svdbg vdbg
#else
# define sdbg (void)
# define slldbg (void)
# define svdbg (void)
#endif
#ifdef CONFIG_DEBUG_NET
# define ndbg dbg
# define nlldbg lldbg
# define nvdbg vdbg
#else
# define ndbg (void)
# define nlldbg (void)
# define nvdbg (void)
#endif
#ifdef CONFIG_DEBUG_FS
# define fdbg dbg
# define flldbg lldbg
# define fvdbg vdbg
#else
# define fdbg (void)
# define flldbg (void)
# define fvdbg (void)
#endif
#ifdef CONFIG_DEBUG_LIB
# define ldbg dbg
# define llldbg lldbg
# define lvdbg vdbg
#else
# define ldbg (void)
# define llldbg (void)
# define lvdbg (void)
#endif
#endif /* CONFIG_CPP_HAVE_VARARGS */
/****************************************************************************
* Public Type Declarations
****************************************************************************/
/****************************************************************************
* Public Variables
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/* These low-level debug APIs are provided by the NuttX library. If
* the cross-compiler's pre-processor supports a variable number of
* macro arguments, then the macros above will map all debug statements
* on or the other of the following.
*/
EXTERN int lib_rawprintf(const char *format, ...);
#ifdef CONFIG_ARCH_LOWPUTC
EXTERN int lib_lowprintf(const char *format, ...);
#endif
/* If the cross-compiler's pre-processor does not support variable
* length arguments, then these additional APIs will be built.
*/
#ifndef CONFIG_CPP_HAVE_VARARGS
#ifdef CONFIG_DEBUG
EXTERN int dbg(const char *format, ...);
# ifdef CONFIG_ARCH_LOWPUTC
EXTERN int lldbg(const char *format, ...);
# endif
# ifdef CONFIG_DEBUG_VERBOSE
EXTERN int vdbg(const char *format, ...);
#endif
#endif /* CONFIG_DEBUG */
#endif /* CONFIG_CPP_HAVE_VARARGS */
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __DEBUG_H */
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