65 lines
1.8 KiB
C
Executable File
65 lines
1.8 KiB
C
Executable File
/*
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32.newphdr.c - implementation of the elf32_newphdr(3) function.
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Copyright (C) 1995 Michael Riepe <riepe@ifwsn4.ifw.uni-hannover.de>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <private.h>
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Elf32_Phdr*
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elf32_newphdr(Elf *elf, size_t count) {
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Elf32_Phdr *phdr = NULL;
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Elf32_Ehdr *ehdr;
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size_t size;
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if (!elf) {
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return NULL;
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}
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elf_assert(elf->e_magic == ELF_MAGIC);
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if (!elf->e_ehdr && !elf->e_readable) {
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seterr(ERROR_NOEHDR);
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}
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else if (elf->e_kind != ELF_K_ELF) {
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seterr(ERROR_NOTELF);
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}
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else if (elf->e_class != ELFCLASS32) {
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seterr(ERROR_CLASSMISMATCH);
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}
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else if (elf->e_ehdr || _elf_cook(elf)) {
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ehdr = (Elf32_Ehdr*)elf->e_ehdr;
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if (count) {
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size = _msize32(_elf_version, ELF_T_PHDR);
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elf_assert(size);
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if (!(phdr = (Elf32_Phdr*)malloc(count * size))) {
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seterr(ERROR_MEM_PHDR);
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return NULL;
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}
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memset(phdr, 0, count * size);
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}
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if (elf->e_free_phdr) {
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elf_assert(elf->e_phdr);
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free(elf->e_phdr);
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}
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elf->e_phdr = (char*)phdr;
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elf->e_free_phdr = phdr ? 1 : 0;
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elf->e_phdr_flags |= ELF_F_DIRTY;
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elf->e_phnum = ehdr->e_phnum = count;
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elf->e_ehdr_flags |= ELF_F_DIRTY;
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return phdr;
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}
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return NULL;
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}
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