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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
* "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 _RTE_DEBUG_H_
#define _RTE_DEBUG_H_
/**
* @file
*
* Debug Functions in RTE
*
* This file defines a generic API for debug operations. Part of
* the implementation is architecture-specific.
*/
#include "rte_log.h"
#include "rte_branch_prediction.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* Dump the stack of the calling core to the console.
*/
void rte_dump_stack(void);
/**
* Dump the registers of the calling core to the console.
*
* Note: Not implemented in a userapp environment; use gdb instead.
*/
void rte_dump_registers(void);
/**
* Provide notification of a critical non-recoverable error and terminate
* execution abnormally.
*
* Display the format string and its expanded arguments (printf-like).
*
* In a linuxapp environment, this function dumps the stack and calls
* abort() resulting in a core dump if enabled.
*
* The function never returns.
*
* @param ...
* The format string, followed by the variable list of arguments.
*/
#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_ */
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