sysdeps/unix/sysv/linux/s390/pt-longjmp.c

   1 /* Copyright (C) 2014 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 nptl/pt-longjmp.c modified for versioning
  19    the reverted jmpbuf extension.  */
  20
  21 #include  <shlib-compat.h>
  22
  23 #if defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20)
  24         /* we need a unique name in case of symbol versioning.  */
  25 # define longjmp __v1longjmp
  26 #endif /* defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20))  */
  27
  28 #include <nptl/pt-longjmp.c>
  29
  30 #if defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20)
  31 /* In glibc release 2.19 new versions of longjmp-functions were introduced,
  32    but were reverted before 2.20. Thus both versions are the same function.  */
  33
  34 # undef longjmp
  35
  36 strong_alias (__v1longjmp, __v2longjmp)
  37 versioned_symbol (libpthread, __v1longjmp, longjmp, GLIBC_2_0);
  38 compat_symbol (libpthread, __v2longjmp, longjmp, GLIBC_2_19);
  39
  40 weak_alias (siglongjmp, __v1siglongjmp)
  41 weak_alias (siglongjmp, __v2siglongjmp)
  42 versioned_symbol (libpthread, __v1siglongjmp, siglongjmp, GLIBC_2_0);
  43 compat_symbol (libpthread, __v2siglongjmp, siglongjmp, GLIBC_2_19);
  44 #endif /* defined SHARED && SHLIB_COMPAT (libpthread, GLIBC_2_19, GLIBC_2_20))  */