diff options
Diffstat (limited to 'sysdeps/x86/tst-stack-align.h')
| -rw-r--r-- | sysdeps/x86/tst-stack-align.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sysdeps/x86/tst-stack-align.h b/sysdeps/x86/tst-stack-align.h new file mode 100644 index 0000000000..578d5c4a80 --- /dev/null +++ b/sysdeps/x86/tst-stack-align.h @@ -0,0 +1,28 @@ +/* Check stack alignment. X86 version. + Copyright (C) 2021 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/>. */ + +typedef struct { int i[16]; } int_al16 __attribute__((aligned (16))); + +#define TEST_STACK_ALIGN_INIT() \ + ({ \ + int_al16 _m; \ + printf ("int_al16: %p %zu\n", &_m, __alignof (int_al16)); \ + is_aligned (&_m, __alignof (int_al16)); \ + }) + +#include_next <tst-stack-align.h> |