diff options
Diffstat (limited to 'src/libelf/gelf_update_phdr.c')
| -rw-r--r-- | src/libelf/gelf_update_phdr.c | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/src/libelf/gelf_update_phdr.c b/src/libelf/gelf_update_phdr.c deleted file mode 100644 index a848677f..00000000 --- a/src/libelf/gelf_update_phdr.c +++ /dev/null @@ -1,143 +0,0 @@ -/* Update program header program header table entry. - Copyright (C) 2000-2010 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 <string.h> - -#include "libelfP.h" - - -int -gelf_update_phdr (Elf *elf, int ndx, GElf_Phdr *src) -{ - int result = 0; - - if (elf == NULL) - return 0; - - if (unlikely (elf->kind != ELF_K_ELF)) - { - __libelf_seterrno (ELF_E_INVALID_HANDLE); - return 0; - } - - rwlock_wrlock (elf->lock); - - if (elf->class == ELFCLASS32) - { - Elf32_Phdr *phdr = elf->state.elf32.phdr; - - /* We have to convert the data to the 32 bit format. This might - overflow some fields so we have to test for this case before - copying. */ - if (unlikely (src->p_offset > 0xffffffffull) - || unlikely (src->p_vaddr > 0xffffffffull) - || unlikely (src->p_paddr > 0xffffffffull) - || unlikely (src->p_filesz > 0xffffffffull) - || unlikely (src->p_memsz > 0xffffffffull) - || unlikely (src->p_align > 0xffffffffull)) - { - __libelf_seterrno (ELF_E_INVALID_DATA); - goto out; - } - - if (phdr == NULL) - { - phdr = __elf32_getphdr_wrlock (elf); - if (phdr == NULL) - /* The error number is already set. */ - goto out; - } - - /* Test whether the index is ok. */ - size_t phnum; - if (ndx >= elf->state.elf32.ehdr->e_phnum - && (elf->state.elf32.ehdr->e_phnum != PN_XNUM - || __elf_getphdrnum_rdlock (elf, &phnum) != 0 - || (size_t) ndx >= phnum)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; - } - - /* Now correct the pointer to point to the correct element. */ - phdr += ndx; - -#define COPY(name) \ - phdr->name = src->name - COPY (p_type); - COPY (p_offset); - COPY (p_vaddr); - COPY (p_paddr); - COPY (p_filesz); - COPY (p_memsz); - COPY (p_flags); - COPY (p_align); - } - else - { - Elf64_Phdr *phdr = elf->state.elf64.phdr; - - if (phdr == NULL) - { - phdr = __elf64_getphdr_wrlock (elf); - if (phdr == NULL) - /* The error number is already set. */ - goto out; - } - - /* Test whether the index is ok. */ - size_t phnum; - if (ndx >= elf->state.elf64.ehdr->e_phnum - && (elf->state.elf64.ehdr->e_phnum != PN_XNUM - || __elf_getphdrnum_rdlock (elf, &phnum) != 0 - || (size_t) ndx >= phnum)) - { - __libelf_seterrno (ELF_E_INVALID_INDEX); - goto out; - } - - /* Just copy the data. */ - memcpy (phdr + ndx, src, sizeof (Elf64_Phdr)); - } - - /* Mark the program header as modified. */ - elf->state.elf.phdr_flags |= ELF_F_DIRTY; - - result = 1; - - out: - rwlock_unlock (elf->lock); - - return result; -} |