Support mcount/gprof test with GCC defaulting to PIE
[glibc.git] / sysdeps / generic / tst-stack-align.h
blob2433b8beaf67524cee45937a3ca60f5b369368a9
1 /* Copyright (C) 2003-2017 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <stdio.h>
19 #include <stdint.h>
21 #define TEST_STACK_ALIGN() \
22 ({ \
23 double _d = 12.0; \
24 long double _ld = 15.0; \
25 int _ret = 0; \
26 printf ("double: %g %p %zu\n", _d, &_d, __alignof (double)); \
27 if ((((uintptr_t) &_d) & (__alignof (double) - 1)) != 0) \
28 _ret = 1; \
30 printf ("ldouble: %Lg %p %zu\n", _ld, &_ld, __alignof (long double)); \
31 if ((((uintptr_t) &_ld) & (__alignof (long double) - 1)) != 0) \
32 _ret = 1; \
33 _ret; \