| 1 | /* Copyright (C) 2003-2022 Free Software Foundation, Inc. |
|---|
| 2 | This file is part of the GNU C Library. |
|---|
| 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 |
|---|
| 15 | License along with the GNU C Library; if not, see |
|---|
| 16 | <https://www.gnu.org/licenses/>. */ |
|---|
| 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 (s: "constructor has not been run" ); |
|---|
| 38 | *result = 1; |
|---|
| 39 | } |
|---|
| 40 | else if (res != 1) |
|---|
| 41 | { |
|---|
| 42 | puts (s: "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 (fd: *fdp, buf: &c, n: 1); |
|---|
| 58 | } |
|---|
| 59 | |
|---|
