DPDK  16.04.0
rte_debug.h
Go to the documentation of this file.
1 /*-
2  * BSD LICENSE
3  *
4  * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * * Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following disclaimer.
13  * * Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in
15  * the documentation and/or other materials provided with the
16  * distribution.
17  * * Neither the name of Intel Corporation nor the names of its
18  * contributors may be used to endorse or promote products derived
19  * from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 #ifndef _RTE_DEBUG_H_
35 #define _RTE_DEBUG_H_
36 
46 #ifdef __cplusplus
47 extern "C" {
48 #endif
49 
53 void rte_dump_stack(void);
54 
60 void rte_dump_registers(void);
61 
76 #define rte_panic(...) rte_panic_(__func__, __VA_ARGS__, "dummy")
77 #define rte_panic_(func, format, ...) __rte_panic(func, format "%.0s", __VA_ARGS__)
78 
79 #define RTE_VERIFY(exp) do { \
80  if (!(exp)) \
81  rte_panic("line %d\tassert \"" #exp "\" failed\n", __LINE__); \
82 } while (0)
83 
84 /*
85  * Provide notification of a critical non-recoverable error and stop.
86  *
87  * This function should not be called directly. Refer to rte_panic() macro
88  * documentation.
89  */
90 void __rte_panic(const char *funcname , const char *format, ...)
91 #ifdef __GNUC__
92 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
93  __attribute__((cold))
94 #endif
95 #endif
96  __attribute__((noreturn))
97  __attribute__((format(printf, 2, 3)));
98 
99 #ifdef __cplusplus
100 }
101 #endif
102 
103 #endif /* _RTE_DEBUG_H_ */