1 /* s390-specific implementation of profiling support. 2 Copyright (C) 2000-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library 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 GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #include <sysdep.h> 20 21 /* We need a special version of the `mcount' function since for S/390 it 22 must not clobber any register. */ 23 24 /* We must not pollute the global namespace. */ 25 #define mcount_internal __mcount_internal 26 27 void mcount_internal (u_long frompc, u_long selfpc); 28 29 #define _MCOUNT_DECL(frompc, selfpc) \ 30 void mcount_internal (u_long frompc, u_long selfpc) 31 32 33 /* Define MCOUNT as empty since we have the implementation in another 34 file. */ 35 #define MCOUNT 36