diff options
Diffstat (limited to 'include/stackinfo.h')
| -rw-r--r-- | include/stackinfo.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/stackinfo.h b/include/stackinfo.h new file mode 100644 index 0000000000..b9b2278487 --- /dev/null +++ b/include/stackinfo.h @@ -0,0 +1,42 @@ +/* Details about the machine's stack: wrapper header. + Copyright (C) 2014 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 + <http://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 */ |