sysdeps/unix/sysv/linux/siglist.c

   1 /* Copyright (C) 1997, 1998 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 Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    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    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <stddef.h>
  20 #include <signal.h>
  21 #include <sizes.h>
  22
  23 #if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
  24 # define SYS_SIGLIST    __new_sys_siglist
  25 # define SYS_SIGABBREV  __new_sys_sigabbrev
  26 #else
  27 # define SYS_SIGLIST    _sys_siglist
  28 # define SYS_SIGABBREV  _sys_sigabbrev
  29 #endif
  30
  31 #if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
  32 asm (".data; .globl __old_sys_siglist;  __old_sys_siglist:");
  33 #endif
  34
  35 const char *const SYS_SIGLIST[NSIG] =
  36 {
  37 #define init_sig(sig, abbrev, desc)   [sig] desc,
  38 #include "siglist.h"
  39 #undef init_sig
  40 };
  41
  42 #if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
  43 asm (".type __old_sys_siglist,@object;.size __old_sys_siglist,"
  44         OLD_SIGLIST_SIZE_STR "*" PTR_SIZE_STR);
  45
  46 asm (".data; .globl __old_sys_sigabbrev;  __old_sys_sigabbrev:");
  47 #endif
  48
  49 const char *const SYS_SIGABBREV[NSIG] =
  50 {
  51 #define init_sig(sig, abbrev, desc)   [sig] abbrev,
  52 #include "siglist.h"
  53 #undef init_sig
  54 };
  55
  56 #if defined HAVE_ELF && defined PIC && defined DO_VERSIONING
  57 asm (".type __old_sys_sigabbrev,@object;.size __old_sys_sigabbrev,"
  58         OLD_SIGLIST_SIZE_STR "*" PTR_SIZE_STR);
  59
  60 extern const char *const *__old_sys_siglist;
  61 extern const char *const *__old_sys_sigabbrev;
  62
  63 strong_alias (__old_sys_siglist, _old_sys_siglist)
  64 symbol_version (__old_sys_siglist, _sys_siglist, GLIBC_2.0);
  65 symbol_version (_old_sys_siglist, sys_siglist, GLIBC_2.0);
  66 symbol_version (__old_sys_sigabbrev, sys_sigabbrev, GLIBC_2.0);
  67
  68 strong_alias (__new_sys_siglist, _new_sys_siglist)
  69 default_symbol_version (__new_sys_siglist, _sys_siglist, GLIBC_2.1);
  70 default_symbol_version (_new_sys_siglist, sys_siglist, GLIBC_2.1);
  71 default_symbol_version (__new_sys_sigabbrev, sys_sigabbrev, GLIBC_2.1);
  72 #else
  73 weak_alias (_sys_siglist, sys_siglist)
  74 weak_alias (_sys_sigabbrev, sys_sigabbrev)
  75 #endif