debug.h

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/*
 * Copyright (C) 2014 Freie Universität Berlin
 *
 * This file is subject to the terms and conditions of the GNU Lesser
 * General Public License v2.1. See the file LICENSE in the top level
 * directory for more details.
 */
 
#ifndef DEBUG_H
#define DEBUG_H
 
#include <stdio.h>
#include "sched.h"
#include "thread.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef DEVELHELP
#include "cpu_conf.h"
#define DEBUG_PRINT(...) \
    do { \
        if ((thread_get_active() == NULL) || \
            (thread_get_active()->stack_size >= \
             THREAD_EXTRA_STACKSIZE_PRINTF)) { \
            printf(__VA_ARGS__); \
        } \
        else { \
            puts("Cannot debug, stack too small. Consider using DEBUG_PUTS()."); \
        } \
    } while (0)
#else
#define DEBUG_PRINT(...) printf(__VA_ARGS__)
#endif
 
#ifdef DEVELHELP
#include "architecture.h"
#define DEBUG_BREAKPOINT(val)   ARCHITECTURE_BREAKPOINT(val)
#else
#define DEBUG_BREAKPOINT(val)   (void)0
#endif
 
#if !defined(ENABLE_DEBUG) || defined(DOXYGEN)
#define ENABLE_DEBUG 0
#endif
 
# if defined(__cplusplus) && defined(__GNUC__)
#  define DEBUG_FUNC __PRETTY_FUNCTION__
# elif __STDC_VERSION__ >= 199901L
#  define DEBUG_FUNC __func__
# elif __GNUC__ >= 2
#  define DEBUG_FUNC __FUNCTION__
# else
#  define DEBUG_FUNC ""
# endif
 
#define DEBUG(...) do { if (ENABLE_DEBUG) { DEBUG_PRINT(__VA_ARGS__); } } while (0)
 
#define DEBUG_PUTS(str) do { if (ENABLE_DEBUG) { puts(str); } } while (0)
#if ENABLE_DEBUG
#define DEBUG_EXTRA_STACKSIZE THREAD_EXTRA_STACKSIZE_PRINTF
#else
#define DEBUG_EXTRA_STACKSIZE (0)
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* DEBUG_H */