rte_debug.h

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/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Intel Corporation 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
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 */

#ifndef _RTE_DEBUG_H_
#define _RTE_DEBUG_H_

#include "rte_log.h"
#include "rte_branch_prediction.h"

#ifdef __cplusplus
extern "C" {
#endif

void rte_dump_stack(void);

void rte_dump_registers(void);

#define rte_panic(...) rte_panic_(__func__, __VA_ARGS__, "dummy")
#define rte_panic_(func, format, ...) __rte_panic(func, format "%.0s", __VA_ARGS__)

#if RTE_LOG_LEVEL >= RTE_LOG_DEBUG
#define RTE_ASSERT(exp) RTE_VERIFY(exp)
#else
#define RTE_ASSERT(exp) do {} while (0)
#endif
#define RTE_VERIFY(exp) do {                                                  \
    if (unlikely(!(exp)))                                                           \
        rte_panic("line %d\tassert \"%s\" failed\n", __LINE__, #exp); \
} while (0)

/*
 * Provide notification of a critical non-recoverable error and stop.
 *
 * This function should not be called directly. Refer to rte_panic() macro
 * documentation.
 */
void __rte_panic(const char *funcname , const char *format, ...)
#ifdef __GNUC__
#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
    __attribute__((cold))
#endif
#endif
    __attribute__((noreturn))
    __attribute__((format(printf, 2, 3)));

#ifdef __cplusplus
}
#endif

#endif /* _RTE_DEBUG_H_ */