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1 | /* Details about the machine's stack: wrapper header. | |
2 | Copyright (C) 2014-2019 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 */ |