gdb/testsuite/gdb.base/symbol-alias2.c

   1 /* This test is part of GDB, the GNU debugger.
   2
   3    Copyright 2017-2021 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 struct S
  19 {
  20   int field1;
  21   int field2;
  22 };
  23
  24 struct S g_var_s = { 1, 2 };
  25
  26 #ifdef __cplusplus
  27 /* So that the alias attribute below work without having to figure out
  28    this function's mangled name.  */
  29 static struct S *func (void) asm ("func");
  30 #endif
  31
  32 static struct S *
  33 func (void)
  34 {
  35   return &g_var_s;
  36 }
  37
  38 struct S *func_alias (void) __attribute__ ((alias ("func")));
  39
  40 extern struct S g_var_s_alias __attribute__ ((alias ("g_var_s")));