1 /* Copyright (C) 2008-2016 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/>. */
23 #include <tst-stack-align.h>
26 char st1
[262144] __attribute__((aligned (16)));
31 if (i
!= 78 || j
!= 274)
33 printf ("i %d j %d\n", i
, j
);
36 else if (TEST_STACK_ALIGN ())
38 puts ("insufficiently aligned stack");
46 for (size_t j
= 32; j
< 64; j
+= sizeof (long))
48 if (getcontext (&ucp
) != 0)
52 puts ("context handling not supported");
56 puts ("getcontext failed");
60 ucp
.uc_stack
.ss_sp
= st1
;
61 ucp
.uc_stack
.ss_size
= sizeof (st1
) - j
;
62 memset (&st1
[sizeof (st1
) - j
], 0x55, j
);
63 makecontext (&ucp
, (void (*) (void)) cf
, 2, 78, 274);
64 if (swapcontext (&ucp2
, &ucp
) != 0)
66 puts ("setcontext failed");
70 for (size_t i
= j
; i
> 0; i
--)
71 if (st1
[sizeof (st1
) - j
+ i
- 1] != 0x55)
72 { printf ("fail %zd %zd\n", i
, j
); break; }
78 #define TEST_FUNCTION do_test ()
79 #include "../test-skeleton.c"