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2b778ceb | 1 | /* Copyright (C) 2003-2021 Free Software Foundation, Inc. |
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2 | This file is part of the GNU C Library. |
3 | Contributed by Jakub Jelinek <jakub@redhat.com>. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
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6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
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9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
928501fb | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
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18 | |
19 | #include <dlfcn.h> | |
20 | #include <stdio.h> | |
21 | #include <unwind.h> | |
22 | #include <pthreadP.h> | |
23 | ||
24 | static _Unwind_Word (*libgcc_s_getbsp) (struct _Unwind_Context *); | |
25 | ||
26 | #define ARCH_CANCEL_INIT(handle) \ | |
27 | ((libgcc_s_getbsp = __libc_dlsym (handle, "_Unwind_GetBSP")) == NULL) | |
28 | ||
43a94c64 | 29 | #include <sysdeps/nptl/unwind-forcedunwind.c> |
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30 | |
31 | _Unwind_Word | |
32 | _Unwind_GetBSP (struct _Unwind_Context *context) | |
33 | { | |
34 | if (__builtin_expect (libgcc_s_getbsp == NULL, 0)) | |
35 | pthread_cancel_init (); | |
36 | ||
37 | return libgcc_s_getbsp (context); | |
38 | } |