1 /* Copyright 2008-2023 Free Software Foundation, Inc. 2 3 This file is part of GDB. 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 #include <elf.h> 19 20 #ifdef __powerpc64__ 21 typedef Elf64_auxv_t auxv_t; 22 #else 23 typedef Elf32_auxv_t auxv_t; 24 #endif 25 26 #ifndef PPC_FEATURE_HAS_DFP 27 #define PPC_FEATURE_HAS_DFP 0x00000400 28 #endif 29 30 int 31 main (int argc, char *argv[], char *envp[], auxv_t auxv[]) 32 { 33 int i; 34 35 for (i = 0; auxv[i].a_type != AT_NULL; i++) 36 if (auxv[i].a_type == AT_HWCAP) { 37 if (!(auxv[i].a_un.a_val & PPC_FEATURE_HAS_DFP)) 38 return 1; 39 40 break; 41 } 42 43 asm ("mtfsfi 7, 5, 1\n"); /* Set DFP rounding mode. */ 44 45 return 0; 46 } 47