1 /* Details about the machine's stack: wrapper header. 2 Copyright (C) 2014-2022 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 #ifndef _INCLUDE_STACKINFO_H 20 #define _INCLUDE_STACKINFO_H 1 21 22 /* A sysdeps/.../stackinfo.h file defines details for the CPU. 23 It is obliged to define either _STACK_GROWS_DOWN or _STACK_GROWS_UP. */ 24 #include_next <stackinfo.h> 25 26 #if defined _STACK_GROWS_DOWN && _STACK_GROWS_DOWN 27 # ifdef _STACK_GROWS_UP 28 # error "stackinfo.h should not define both!" 29 # else 30 # define _STACK_GROWS_UP 0 31 # endif 32 #elif defined _STACK_GROWS_UP && _STACK_GROWS_UP 33 # ifdef _STACK_GROWS_DOWN 34 # error "stackinfo.h should not define both!" 35 # else 36 # define _STACK_GROWS_DOWN 0 37 # endif 38 #else 39 # error "stackinfo.h must define _STACK_GROWS_UP or _STACK_GROWS_DOWN!" 40 #endif 41 42 #endif /* include/stackinfo.h */ 43