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581c785b | 1 | /* Copyright (C) 2003-2022 Free Software Foundation, Inc. |
be184b1d | 2 | This file is part of the GNU C Library. |
be184b1d UD |
3 | |
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. | |
8 | ||
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. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
be184b1d UD |
17 | |
18 | #include <stdbool.h> | |
19 | #include <stdio.h> | |
20 | #include <tst-stack-align.h> | |
21 | #include <unistd.h> | |
22 | ||
23 | static int res, *fdp; | |
24 | static bool *test_destructorsp; | |
25 | ||
26 | static void __attribute__((constructor)) | |
27 | con (void) | |
28 | { | |
29 | res = TEST_STACK_ALIGN () ? -1 : 1; | |
30 | } | |
31 | ||
32 | void | |
33 | in_dso (int *result, bool *test_destructors, int *fd) | |
34 | { | |
35 | if (!res) | |
36 | { | |
37 | puts ("constructor has not been run"); | |
38 | *result = 1; | |
39 | } | |
40 | else if (res != 1) | |
41 | { | |
42 | puts ("constructor has been run without sufficient alignment"); | |
43 | *result = 1; | |
44 | } | |
45 | ||
46 | test_destructorsp = test_destructors; | |
47 | fdp = fd; | |
48 | } | |
49 | ||
50 | static void __attribute__((destructor)) | |
51 | des (void) | |
52 | { | |
53 | if (!test_destructorsp || !*test_destructorsp) | |
54 | return; | |
55 | ||
56 | char c = TEST_STACK_ALIGN () ? 'D' : 'C'; | |
57 | write (*fdp, &c, 1); | |
58 | } |