| 1 | /* |
| 2 | * Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | * of this software and associated documentation files (the "Software"), to deal |
| 6 | * in the Software without restriction, including without limitation the rights |
| 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | * copies of the Software, and to permit persons to whom the Software is |
| 9 | * furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 20 | * SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #define _LGPL_SOURCE |
| 24 | #include <stdio.h> |
| 25 | #include <helper.h> |
| 26 | |
| 27 | #define TRACEPOINT_CREATE_PROBES |
| 28 | #define TRACEPOINT_DEFINE |
| 29 | #include "lttng-ust-tracelog-provider.h" |
| 30 | |
| 31 | #define TRACELOG_CB(level) \ |
| 32 | static inline __attribute__((always_inline)) \ |
| 33 | void __lttng_ust_vtracelog_##level(const char *file, \ |
| 34 | int line, const char *func, \ |
| 35 | const char *fmt, va_list ap) \ |
| 36 | { \ |
| 37 | char *msg; \ |
| 38 | const int len = vasprintf(&msg, fmt, ap); \ |
| 39 | \ |
| 40 | /* len does not include the final \0 */ \ |
| 41 | if (len < 0) \ |
| 42 | goto end; \ |
| 43 | __tracepoint_cb_lttng_ust_tracelog___##level(file, \ |
| 44 | line, func, msg, len, \ |
| 45 | LTTNG_UST_CALLER_IP()); \ |
| 46 | free(msg); \ |
| 47 | end: \ |
| 48 | return; \ |
| 49 | } \ |
| 50 | \ |
| 51 | void _lttng_ust_vtracelog_##level(const char *file, \ |
| 52 | int line, const char *func, \ |
| 53 | const char *fmt, va_list ap) \ |
| 54 | { \ |
| 55 | __lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \ |
| 56 | } \ |
| 57 | \ |
| 58 | void _lttng_ust_tracelog_##level(const char *file, \ |
| 59 | int line, const char *func, \ |
| 60 | const char *fmt, ...) \ |
| 61 | { \ |
| 62 | va_list ap; \ |
| 63 | \ |
| 64 | va_start(ap, fmt); \ |
| 65 | __lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \ |
| 66 | va_end(ap); \ |
| 67 | } |
| 68 | |
| 69 | TRACELOG_CB(TRACE_EMERG) |
| 70 | TRACELOG_CB(TRACE_ALERT) |
| 71 | TRACELOG_CB(TRACE_CRIT) |
| 72 | TRACELOG_CB(TRACE_ERR) |
| 73 | TRACELOG_CB(TRACE_WARNING) |
| 74 | TRACELOG_CB(TRACE_NOTICE) |
| 75 | TRACELOG_CB(TRACE_INFO) |
| 76 | TRACELOG_CB(TRACE_DEBUG_SYSTEM) |
| 77 | TRACELOG_CB(TRACE_DEBUG_PROGRAM) |
| 78 | TRACELOG_CB(TRACE_DEBUG_PROCESS) |
| 79 | TRACELOG_CB(TRACE_DEBUG_MODULE) |
| 80 | TRACELOG_CB(TRACE_DEBUG_UNIT) |
| 81 | TRACELOG_CB(TRACE_DEBUG_FUNCTION) |
| 82 | TRACELOG_CB(TRACE_DEBUG_LINE) |
| 83 | TRACELOG_CB(TRACE_DEBUG) |