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b728d87e | 1 | /* |
c0c0989a | 2 | * SPDX-License-Identifier: MIT |
b728d87e | 3 | * |
c0c0989a | 4 | * Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
b728d87e MD |
5 | */ |
6 | ||
9b14815a MD |
7 | #ifndef _LTTNG_UST_TRACEPOINT_TYPES_H |
8 | #define _LTTNG_UST_TRACEPOINT_TYPES_H | |
c0c0989a | 9 | |
f641d544 MD |
10 | #include <stdint.h> |
11 | ||
12 | /* | |
13 | * Tracepoint probe definition | |
14 | * | |
15 | * IMPORTANT: this structure is part of the ABI between instrumented | |
16 | * applications and UST. This structure is fixed-size because it is part | |
17 | * of a public array of structures. Rather than extending this | |
18 | * structure, struct lttng_ust_tracepoint should be extended instead. | |
19 | */ | |
20 | ||
1a206094 | 21 | struct lttng_ust_tracepoint_probe { |
fbdeb5ec | 22 | void (*func)(void); |
23c8854a | 23 | void *data; |
b728d87e MD |
24 | }; |
25 | ||
f641d544 MD |
26 | /* |
27 | * Tracepoint definition | |
28 | * | |
29 | * IMPORTANT: this structure is part of the ABI between instrumented | |
30 | * applications and UST. Fields need to be only added at the end, never | |
31 | * reordered, never removed. | |
32 | * | |
33 | * The field @struct_size should be used to determine the size of the | |
34 | * structure. It should be queried before using additional fields added | |
35 | * at the end of the structure. | |
36 | */ | |
37 | ||
1a206094 | 38 | struct lttng_ust_tracepoint { |
f641d544 MD |
39 | uint32_t struct_size; |
40 | ||
34f7f142 MD |
41 | const char *provider_name; |
42 | const char *event_name; | |
b728d87e | 43 | int state; |
1a206094 | 44 | struct lttng_ust_tracepoint_probe *probes; |
628e1d81 | 45 | int *tracepoint_provider_ref; |
b4f3bc52 | 46 | const char *signature; |
f641d544 MD |
47 | |
48 | /* End of base ABI. Fields below should be used after checking struct_size. */ | |
b728d87e MD |
49 | }; |
50 | ||
9b14815a | 51 | #endif /* _LTTNG_UST_TRACEPOINT_TYPES_H */ |