xref: /freebsd/sys/contrib/dpdk_rte_lpm/rte_debug.h (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2014 Intel Corporation
3  */
4 
5 #ifndef _RTE_DEBUG_H_
6 #define _RTE_DEBUG_H_
7 
8 /**
9  * @file
10  *
11  * Debug Functions in RTE
12  *
13  * This file defines a generic API for debug operations. Part of
14  * the implementation is architecture-specific.
15  */
16 
17 //#include "rte_log.h"
18 #include "rte_branch_prediction.h"
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 /**
25  * Dump the stack of the calling core to the console.
26  */
27 void rte_dump_stack(void);
28 
29 /**
30  * Dump the registers of the calling core to the console.
31  *
32  * Note: Not implemented in a userapp environment; use gdb instead.
33  */
34 void rte_dump_registers(void);
35 
36 /**
37  * Provide notification of a critical non-recoverable error and terminate
38  * execution abnormally.
39  *
40  * Display the format string and its expanded arguments (printf-like).
41  *
42  * In a linux environment, this function dumps the stack and calls
43  * abort() resulting in a core dump if enabled.
44  *
45  * The function never returns.
46  *
47  * @param ...
48  *   The format string, followed by the variable list of arguments.
49  */
50 #define rte_panic(...) rte_panic_(__func__, __VA_ARGS__, "dummy")
51 #define rte_panic_(func, format, ...) __rte_panic(func, format "%.0s", __VA_ARGS__)
52 
53 #ifdef RTE_ENABLE_ASSERT
54 #define RTE_ASSERT(exp)	RTE_VERIFY(exp)
55 #else
56 #define RTE_ASSERT(exp) do {} while (0)
57 #endif
58 #define	RTE_VERIFY(exp)	do {                                                  \
59 	if (unlikely(!(exp)))                                                           \
60 		rte_panic("line %d\tassert \"%s\" failed\n", __LINE__, #exp); \
61 } while (0)
62 
63 /*
64  * Provide notification of a critical non-recoverable error and stop.
65  *
66  * This function should not be called directly. Refer to rte_panic() macro
67  * documentation.
68  */
69 void __rte_panic(const char *funcname , const char *format, ...)
70 {
71 #ifdef __GNUC__
72 #if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
73 	__rte_cold
74 #endif
75 #endif
76 	//__rte_noreturn
77 	//__rte_format_printf(2, 3);
78 
79 #ifdef __cplusplus
80 }
81 #endif
82 
83 #endif /* _RTE_DEBUG_H_ */
84