projects / barectf.git / blame
| Commit | Line | Data |
|---|---|---|
| d183b2df PP |
1 | #ifndef _BARECTF_TRACEPOINT_H |
| 2 | #define _BARECTF_TRACEPOINT_H | |
| 3 | ||
| 4 | /* | |
| 5 | * The MIT License (MIT) | |
| 6 | * | |
| a32e4217 | 7 | * Copyright (c) 2016-2020 Philippe Proulx <pproulx@efficios.com> |
| d183b2df | 8 | * |
| a32e4217 PP |
9 | * Permission is hereby granted, free of charge, to any person obtaining |
| 10 | * a copy of this software and associated documentation files (the | |
| 11 | * "Software"), to deal in the Software without restriction, including | |
| 12 | * without limitation the rights to use, copy, modify, merge, publish, | |
| 13 | * distribute, sublicense, and/or sell copies of the Software, and to | |
| 14 | * permit persons to whom the Software is furnished to do so, subject to | |
| 15 | * the following conditions: | |
| d183b2df | 16 | * |
| a32e4217 PP |
17 | * The above copyright notice and this permission notice shall be |
| 18 | * included in all copies or substantial portions of the Software. | |
| d183b2df | 19 | * |
| a32e4217 PP |
20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 21 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 22 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| 23 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
| 24 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
| 25 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
| 26 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| 27 | * SOFTWARE. | |
| d183b2df PP |
28 | */ |
| 29 | ||
| a32e4217 | 30 | /* Get identifier prefix */ |
| d183b2df PP |
31 | #ifdef BARECTF_TRACEPOINT_PREFIX |
| 32 | # define _BARECTF_TRACEPOINT_PREFIX BARECTF_TRACEPOINT_PREFIX | |
| 33 | #else | |
| a32e4217 PP |
34 | # ifdef _BARECTF_IDENTIFIER_PREFIX |
| 35 | # define _BARECTF_TRACEPOINT_PREFIX _BARECTF_IDENTIFIER_PREFIX | |
| d183b2df | 36 | # else |
| a32e4217 | 37 | # error You must define `BARECTF_TRACEPOINT_PREFIX` to use this header. |
| d183b2df PP |
38 | # endif |
| 39 | #endif | |
| 40 | ||
| a32e4217 | 41 | /* Get data stream type name to use */ |
| d183b2df | 42 | #ifdef BARECTF_TRACEPOINT_STREAM |
| a32e4217 PP |
43 | # define _BARECTF_TRACEPOINT_DST_NAME BARECTF_TRACEPOINT_STREAM |
| 44 | #elif defined(BARECTF_TRACEPOINT_DATA_STREAM_TYPE_NAME) | |
| 45 | # define _BARECTF_TRACEPOINT_DST_NAME BARECTF_TRACEPOINT_DATA_STREAM_TYPE_NAME | |
| d183b2df | 46 | #else |
| a32e4217 PP |
47 | # ifdef _BARECTF_DEFAULT_DATA_STREAM_TYPE_NAME |
| 48 | # define _BARECTF_TRACEPOINT_DST_NAME _BARECTF_DEFAULT_DATA_STREAM_TYPE_NAME | |
| d183b2df | 49 | # else |
| a32e4217 | 50 | # error You must define `BARECTF_TRACEPOINT_DATA_STREAM_TYPE_NAME` to use this header. |
| d183b2df PP |
51 | # endif |
| 52 | #endif | |
| 53 | ||
| a32e4217 | 54 | /* Get context to use */ |
| d183b2df | 55 | #ifndef BARECTF_TRACEPOINT_CTX |
| a32e4217 | 56 | # error You must define `BARECTF_TRACEPOINT_CTX` to use this header. |
| d183b2df PP |
57 | #endif |
| 58 | ||
| 59 | /* | |
| 60 | * Combines 6 token. Inspired by __TP_COMBINE_TOKENS4() in | |
| 61 | * <lttng/tracepoint.h>. See sections 6.10.3 and 6.10.3.1 of | |
| 62 | * ISO/IEC 9899:1999. | |
| 63 | */ | |
| 64 | #define __COMBINE_TOKENS6(_a, _b, _c, _d, _e, _f) \ | |
| 65 | _a ## _b ## _c ## _d ## _e ## _f | |
| 66 | #define _COMBINE_TOKENS6(_a, _b, _c, _d, _e, _f) \ | |
| 67 | __COMBINE_TOKENS6(_a, _b, _c, _d, _e, _f) | |
| 68 | ||
| 69 | /* tracepoint() used by the user */ | |
| 70 | #undef tracepoint | |
| 71 | #define tracepoint(_prov_name, _tp_name, ...) \ | |
| a32e4217 | 72 | _COMBINE_TOKENS6(_BARECTF_TRACEPOINT_PREFIX, _BARECTF_TRACEPOINT_DST_NAME, _trace_, _prov_name, _, _tp_name)(BARECTF_TRACEPOINT_CTX, ##__VA_ARGS__) |
| d183b2df PP |
73 | |
| 74 | #endif /* _BARECTF_TRACEPOINT_H */ |