1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2009-2017 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 extern volatile int gnu_ifunc_initialized; 19 extern volatile unsigned long resolver_hwcap; 20 extern int init_stub (int arg); 21 extern int final (int arg); 22 23 typedef int (*final_t) (int arg); 24 25 asm (".type gnu_ifunc, %gnu_indirect_function"); 26 27 final_t 28 gnu_ifunc (unsigned long hwcap) 29 { 30 resolver_hwcap = hwcap; 31 if (! gnu_ifunc_initialized) 32 return init_stub; 33 else 34 return final; 35 } 36