1/* Details about the machine's stack: wrapper header.
2 Copyright (C) 2014-2020 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