| 1 | /* |
| 2 | * SPDX-License-Identifier: MIT |
| 3 | * |
| 4 | * Copyright (C) 2013-2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 5 | */ |
| 6 | |
| 7 | #define _LGPL_SOURCE |
| 8 | #include <stdio.h> |
| 9 | #include <ust-helper.h> |
| 10 | |
| 11 | #define TRACEPOINT_CREATE_PROBES |
| 12 | #define TRACEPOINT_DEFINE |
| 13 | #include "lttng-ust-tracelog-provider.h" |
| 14 | |
| 15 | #define TRACELOG_CB(level) \ |
| 16 | static inline __attribute__((always_inline)) \ |
| 17 | void __lttng_ust_vtracelog_##level(const char *file, \ |
| 18 | int line, const char *func, \ |
| 19 | const char *fmt, va_list ap) \ |
| 20 | { \ |
| 21 | char *msg; \ |
| 22 | const int len = vasprintf(&msg, fmt, ap); \ |
| 23 | \ |
| 24 | /* len does not include the final \0 */ \ |
| 25 | if (len < 0) \ |
| 26 | goto end; \ |
| 27 | __tracepoint_cb_lttng_ust_tracelog___##level(file, \ |
| 28 | line, func, msg, len, \ |
| 29 | LTTNG_UST_CALLER_IP()); \ |
| 30 | free(msg); \ |
| 31 | end: \ |
| 32 | return; \ |
| 33 | } \ |
| 34 | \ |
| 35 | void _lttng_ust_vtracelog_##level(const char *file, \ |
| 36 | int line, const char *func, \ |
| 37 | const char *fmt, va_list ap) \ |
| 38 | { \ |
| 39 | __lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \ |
| 40 | } \ |
| 41 | \ |
| 42 | void _lttng_ust_tracelog_##level(const char *file, \ |
| 43 | int line, const char *func, \ |
| 44 | const char *fmt, ...) \ |
| 45 | { \ |
| 46 | va_list ap; \ |
| 47 | \ |
| 48 | va_start(ap, fmt); \ |
| 49 | __lttng_ust_vtracelog_##level(file, line, func, fmt, ap); \ |
| 50 | va_end(ap); \ |
| 51 | } |
| 52 | |
| 53 | TRACELOG_CB(TRACE_EMERG) |
| 54 | TRACELOG_CB(TRACE_ALERT) |
| 55 | TRACELOG_CB(TRACE_CRIT) |
| 56 | TRACELOG_CB(TRACE_ERR) |
| 57 | TRACELOG_CB(TRACE_WARNING) |
| 58 | TRACELOG_CB(TRACE_NOTICE) |
| 59 | TRACELOG_CB(TRACE_INFO) |
| 60 | TRACELOG_CB(TRACE_DEBUG_SYSTEM) |
| 61 | TRACELOG_CB(TRACE_DEBUG_PROGRAM) |
| 62 | TRACELOG_CB(TRACE_DEBUG_PROCESS) |
| 63 | TRACELOG_CB(TRACE_DEBUG_MODULE) |
| 64 | TRACELOG_CB(TRACE_DEBUG_UNIT) |
| 65 | TRACELOG_CB(TRACE_DEBUG_FUNCTION) |
| 66 | TRACELOG_CB(TRACE_DEBUG_LINE) |
| 67 | TRACELOG_CB(TRACE_DEBUG) |