| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame^] | 1 | /* Copyright (C) 2014-2016 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 | <http://www.gnu.org/licenses/>. |
| 17 | |
| 18 | Versioned copy of setjmp/longjmp.c modified for versioning |
| 19 | the reverted jmpbuf extension. */ |
| 20 | |
| 21 | #include <shlib-compat.h> |
| 22 | |
| 23 | #if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) |
| 24 | /* We don't want the weak alias to longjmp, _longjmp, siglongjmp here, |
| 25 | because we create the default/versioned symbols later. */ |
| 26 | # define __libc_siglongjmp __libc_siglongjmp |
| 27 | #endif /* SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */ |
| 28 | |
| 29 | #include <setjmp/longjmp.c> |
| 30 | |
| 31 | #if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) |
| 32 | /* In glibc release 2.19 new versions of longjmp-functions were introduced, |
| 33 | but were reverted before 2.20. Thus both versions are the same function. */ |
| 34 | |
| 35 | strong_alias (__libc_siglongjmp, __libc_longjmp) |
| 36 | libc_hidden_def (__libc_longjmp) |
| 37 | |
| 38 | weak_alias (__libc_siglongjmp, __v1_longjmp) |
| 39 | weak_alias (__libc_siglongjmp, __v2_longjmp) |
| 40 | versioned_symbol (libc, __v1_longjmp, _longjmp, GLIBC_2_0); |
| 41 | compat_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19); |
| 42 | |
| 43 | weak_alias (__libc_siglongjmp, __v1longjmp) |
| 44 | weak_alias (__libc_siglongjmp, __v2longjmp) |
| 45 | versioned_symbol (libc, __v1longjmp, longjmp, GLIBC_2_0); |
| 46 | compat_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19); |
| 47 | |
| 48 | weak_alias (__libc_siglongjmp, __v1siglongjmp) |
| 49 | weak_alias (__libc_siglongjmp, __v2siglongjmp) |
| 50 | versioned_symbol (libc, __v1siglongjmp, siglongjmp, GLIBC_2_0); |
| 51 | compat_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19); |
| 52 | #endif /* SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */ |