diff options
Diffstat (limited to 'elf/dl-preinit.c')
-rw-r--r-- | elf/dl-preinit.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/elf/dl-preinit.c b/elf/dl-preinit.c new file mode 100644 index 0000000..67c5edb --- /dev/null +++ b/elf/dl-preinit.c @@ -0,0 +1,49 @@ +/* Return the next shared object pre-initializer function not yet run. + Copyright (C) 1995, 1996, 1998, 1999 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <stddef.h> +#include <elf/ldsodefs.h> + + +/* Run initializers for MAP and its dependencies, in inverse dependency + order (that is, leaf nodes first). */ + +ElfW(Addr) +internal_function +_dl_preinit_next (struct r_scope_elem *searchlist) +{ + struct link_map *l = searchlist->r_list[0]; + ElfW(Addr) *array; + + if (l->l_runcount >= l->l_preinitcount) + { + /* That were all of the constructors. */ + l->l_runcount = 0; + return 0; + } + + /* Print a debug message if wanted. */ + if (_dl_debug_impcalls && l->l_runcount == 0) + _dl_debug_message (1, "\ncalling preinit: ", + l->l_name[0] ? l->l_name : _dl_argv[0], + "\n\n", NULL); + + array = (ElfW(Addr) *) l->l_info[DT_PREINIT_ARRAY]->d_un.d_ptr; + return l->l_addr + array[l->l_runcount++]; +} |