diff options
Diffstat (limited to 'src/libelf/gelf_update_rela.c')
-rw-r--r-- | src/libelf/gelf_update_rela.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/libelf/gelf_update_rela.c b/src/libelf/gelf_update_rela.c deleted file mode 100644 index 88252703..00000000 --- a/src/libelf/gelf_update_rela.c +++ /dev/null @@ -1,111 +0,0 @@ -/* Update RELA relocation information at given index. - Copyright (C) 2000, 2001, 2002, 2005, 2009, 2014 Red Hat, Inc. - This file is part of elfutils. - Written by Ulrich Drepper <drepper@redhat.com>, 2000. - - This file is free software; you can redistribute it and/or modify - it under the terms of either - - * the GNU Lesser General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at - your option) any later version - - or - - * the GNU General Public License as published by the Free - Software Foundation; either version 2 of the License, or (at - your option) any later version - - or both in parallel, as here. - - elfutils 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 - General Public License for more details. - - You should have received copies of the GNU General Public License and - the GNU Lesser General Public License along with this program. If - not, see <http://www.gnu.org/licenses/>. */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#include <gelf.h> -#include <stdlib.h> - -#include "libelfP.h" - - -int -gelf_update_rela (Elf_Data *dst, int ndx, GElf_Rela *src) -{ - Elf_Data_Scn *data_scn = (Elf_Data_Scn *) dst; - Elf_Scn *scn; - int result = 0; - - if (dst == NULL) - return 0; - - if (unlikely (data_scn->d.d_type != ELF_T_RELA)) - { - /* The type of the data better should match. */ - __libelf_seterrno (ELF_E_DATA_MISMATCH); - return 0; - } - - scn = data_scn->s; - rwlock_wrlock (scn->elf->lock); - - if (scn->elf->class == ELFCLASS32) - { - Elf32_Rela *rel; - - /* There is the possibility that the values in the input are - too large. */ - if (unlikely (src->r_offset > 0xffffffffull) - || unlikely (GELF_R_SYM (src->r_info) > 0xffffff) - || unlikely (GELF_R_TYPE (src->r_info) > 0xff) - || unlikely (src->r_addend < -0x80000000ll) - || unlikely (src->r_addend > 0x7fffffffll)) - { - __libelf_seterrno (ELF_E_INVALID_DATA); - goto out; - } - - /* Check whether we have to resize the data buffer. */ - if (INVALID_NDX (ndx, Elf32_Rela, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; - } - - rel = &((Elf32_Rela *) data_scn->d.d_buf)[ndx]; - - rel->r_offset = src->r_offset; - rel->r_info = ELF32_R_INFO (GELF_R_SYM (src->r_info), - GELF_R_TYPE (src->r_info)); - rel->r_addend = src->r_addend; - } - else - { - /* Check whether we have to resize the data buffer. */ - if (INVALID_NDX (ndx, Elf64_Rela, &data_scn->d)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; - } - - ((Elf64_Rela *) data_scn->d.d_buf)[ndx] = *src; - } - - result = 1; - - /* Mark the section as modified. */ - scn->flags |= ELF_F_DIRTY; - - out: - rwlock_unlock (scn->elf->lock); - - return result; -} |