| 1 | /* Copyright (C) 2014-2024 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 | 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 | |
|---|
| 37 | weak_alias (__libc_siglongjmp, __v1_longjmp) |
|---|
| 38 | weak_alias (__libc_siglongjmp, __v2_longjmp) |
|---|
| 39 | versioned_symbol (libc, __v1_longjmp, _longjmp, GLIBC_2_0); |
|---|
| 40 | compat_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19); |
|---|
| 41 | |
|---|
| 42 | weak_alias (__libc_siglongjmp, __v1longjmp) |
|---|
| 43 | weak_alias (__libc_siglongjmp, __v2longjmp) |
|---|
| 44 | versioned_symbol (libc, __v1longjmp, longjmp, GLIBC_2_0); |
|---|
| 45 | compat_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19); |
|---|
| 46 | |
|---|
| 47 | weak_alias (__libc_siglongjmp, __v1siglongjmp) |
|---|
| 48 | weak_alias (__libc_siglongjmp, __v2siglongjmp) |
|---|
| 49 | versioned_symbol (libc, __v1siglongjmp, siglongjmp, GLIBC_2_0); |
|---|
| 50 | compat_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19); |
|---|
| 51 | #endif /* SHARED && SHLIB_COMPAT (libc, GLIBC_2_19, GLIBC_2_20) */ |
|---|
| 52 | |
|---|
