From d0cae071f3c8485174948bd18eac22680caf0119 Mon Sep 17 00:00:00 2001 From: Florian Weimer Date: Mon, 17 May 2021 09:59:14 +0200 Subject: mips: Remove _dl_var_init The generic __rtld_static_init code handles GLRO (dl_pagesize). Reviewed-by: Adhemerval Zanella --- sysdeps/unix/sysv/linux/mips/dl-static.c | 84 -------------------------------- 1 file changed, 84 deletions(-) delete mode 100644 sysdeps/unix/sysv/linux/mips/dl-static.c (limited to 'sysdeps/unix/sysv/linux/mips/dl-static.c') diff --git a/sysdeps/unix/sysv/linux/mips/dl-static.c b/sysdeps/unix/sysv/linux/mips/dl-static.c deleted file mode 100644 index 07947c2a00..0000000000 --- a/sysdeps/unix/sysv/linux/mips/dl-static.c +++ /dev/null @@ -1,84 +0,0 @@ -/* Variable initialization. MIPS version. - Copyright (C) 2001-2021 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 Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 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 - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library. If not, see - . */ - -#include - -#ifdef SHARED - -void -_dl_var_init (void *array[]) -{ - /* It has to match "variables" below. */ - enum - { - DL_PAGESIZE = 0 - }; - - GLRO(dl_pagesize) = *((size_t *) array[DL_PAGESIZE]); -} - -#else - -static void *variables[] = -{ - &GLRO(dl_pagesize) -}; - -static void -_dl_unprotect_relro (struct link_map *l) -{ - ElfW(Addr) start = ((l->l_addr + l->l_relro_addr) - & ~(GLRO(dl_pagesize) - 1)); - ElfW(Addr) end = ((l->l_addr + l->l_relro_addr + l->l_relro_size) - & ~(GLRO(dl_pagesize) - 1)); - - if (start != end) - __mprotect ((void *) start, end - start, PROT_READ | PROT_WRITE); -} - -void -_dl_static_init (struct link_map *l) -{ - struct link_map *rtld_map = l; - struct r_scope_elem **scope; - const ElfW(Sym) *ref = NULL; - lookup_t loadbase; - void (*f) (void *[]); - size_t i; - - loadbase = _dl_lookup_symbol_x ("_dl_var_init", l, &ref, l->l_local_scope, - NULL, 0, 1, NULL); - - for (scope = l->l_local_scope; *scope != NULL; scope++) - for (i = 0; i < (*scope)->r_nlist; i++) - if ((*scope)->r_list[i] == loadbase) - { - rtld_map = (*scope)->r_list[i]; - break; - } - - if (ref != NULL) - { - f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref); - _dl_unprotect_relro (rtld_map); - f (variables); - _dl_protect_relro (rtld_map); - } -} - -#endif -- cgit v1.2.3-70-g09d2