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

   1 /* This test is part of GDB, the GNU debugger.
   2
   3    Copyright 2017-2024 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 static int g_var = 1;
  27
  28 #ifdef __cplusplus
  29 /* So that the alias attribute below work without having to figure out
  30    this function's mangled name.  */
  31 static struct S *func (void) asm ("func");
  32 #endif
  33
  34 static struct S *
  35 func (void)
  36 {
  37   return &g_var_s;
  38 }
  39
  40 struct S *func_alias (void) __attribute__ ((alias ("func")));
  41
  42 extern struct S g_var_s_alias __attribute__ ((alias ("g_var_s")));
  43
  44 extern struct S g_var_s_alias2 __attribute__ ((alias ("g_var_s_alias")));
  45
  46 extern int g_var_alias __attribute__ ((alias ("g_var")));
  47
  48 extern int g_def_var_alias __attribute__ ((alias ("g_def_var")));
  49
  50 int g_def_var = 2;
  51
  52 extern int g_def_var_alias2 __attribute__ ((alias ("g_def_var_alias")));