glibc/include/stackinfo.h

43 lines
1.5 KiB
C

/* Details about the machine's stack: wrapper header.
Copyright (C) 2014-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _INCLUDE_STACKINFO_H
#define _INCLUDE_STACKINFO_H 1
/* A sysdeps/.../stackinfo.h file defines details for the CPU.
It is obliged to define either _STACK_GROWS_DOWN or _STACK_GROWS_UP. */
#include_next <stackinfo.h>
#if defined _STACK_GROWS_DOWN && _STACK_GROWS_DOWN
# ifdef _STACK_GROWS_UP
# error "stackinfo.h should not define both!"
# else
# define _STACK_GROWS_UP 0
# endif
#elif defined _STACK_GROWS_UP && _STACK_GROWS_UP
# ifdef _STACK_GROWS_DOWN
# error "stackinfo.h should not define both!"
# else
# define _STACK_GROWS_DOWN 0
# endif
#else
# error "stackinfo.h must define _STACK_GROWS_UP or _STACK_GROWS_DOWN!"
#endif
#endif /* include/stackinfo.h */