DPDK  16.11.9
rte_debug.h
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1 /*-
2  * BSD LICENSE
3  *
4  * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5  * All rights reserved.
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12  * notice, this list of conditions and the following disclaimer.
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32  */
33 
34 #ifndef _RTE_DEBUG_H_
35 #define _RTE_DEBUG_H_
36 
46 #include "rte_log.h"
47 #include "rte_branch_prediction.h"
48 
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52 
56 void rte_dump_stack(void);
57 
63 void rte_dump_registers(void);
64 
79 #define rte_panic(...) rte_panic_(__func__, __VA_ARGS__, "dummy")
80 #define rte_panic_(func, format, ...) __rte_panic(func, format "%.0s", __VA_ARGS__)
81 
82 #if RTE_LOG_LEVEL >= RTE_LOG_DEBUG
83 #define RTE_ASSERT(exp) RTE_VERIFY(exp)
84 #else
85 #define RTE_ASSERT(exp) do {} while (0)
86 #endif
87 #define RTE_VERIFY(exp) do { \
88  if (unlikely(!(exp))) \
89  rte_panic("line %d\tassert \"%s\" failed\n", __LINE__, #exp); \
90 } while (0)
91 
92 /*
93  * Provide notification of a critical non-recoverable error and stop.
94  *
95  * This function should not be called directly. Refer to rte_panic() macro
96  * documentation.
97  */
98 void __rte_panic(const char *funcname , const char *format, ...)
99 #ifdef __GNUC__
100 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
101  __attribute__((cold))
102 #endif
103 #endif
104  __attribute__((noreturn))
105  __attribute__((format(printf, 2, 3)));
106 
107 #ifdef __cplusplus
108 }
109 #endif
110 
111 #endif /* _RTE_DEBUG_H_ */