liblttng-ust/tracepoint-weak-test.c

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #include "tracepoint-internal.h"
   8
   9 /* Test compiler support for weak symbols with hidden visibility. */
  10 int __tracepoint_test_symbol1 __attribute__((weak, visibility("hidden")));
  11 void *__tracepoint_test_symbol2 __attribute__((weak, visibility("hidden")));
  12 struct {
  13         char a[24];
  14 } __tracepoint_test_symbol3 __attribute__((weak, visibility("hidden")));
  15
  16 void *lttng_ust_tp_check_weak_hidden1(void)
  17 {
  18         return &__tracepoint_test_symbol1;
  19 }
  20
  21 void *lttng_ust_tp_check_weak_hidden2(void)
  22 {
  23         return &__tracepoint_test_symbol2;
  24 }
  25
  26 void *lttng_ust_tp_check_weak_hidden3(void)
  27 {
  28         return &__tracepoint_test_symbol3;
  29 }