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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#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 standard error.
*/
void rte_dump_stack(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 linux 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__)
#ifdef RTE_ENABLE_ASSERT
#define RTE_ASSERT(exp) RTE_VERIFY(exp)
#else
/*
* If RTE_ENABLE_ASSERT is not set, the exp is not checked
* but not evaluated because of the use of sizeof().
* The ternary operator is to allow function pointers and bit fields,
* and to suppress the evaluation of any variable length arrays.
*/
#define RTE_ASSERT(exp) do { \
(void)sizeof((exp) ? 1 : 0); \
} 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, ...)
__rte_cold
__rte_noreturn
__rte_format_printf(2, 3);
#ifdef __cplusplus
}
#endif
#endif /* _RTE_DEBUG_H_ */
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