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- /*
- 32.newehdr.c - implementation of the elf32_newehdr(3) function.
- Copyright (C) 1995 Michael Riepe <riepe@ifwsn4.ifw.uni-hannover.de>
-
- This 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.
-
- This 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 this library; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #include <private.h>
-
- Elf32_Ehdr*
- elf32_newehdr(Elf *elf) {
- Elf32_Ehdr *ehdr;
- size_t size;
-
- if (!elf) {
- return NULL;
- }
- elf_assert(elf->e_magic == ELF_MAGIC);
- if (elf->e_readable) {
- return elf32_getehdr(elf);
- }
- else if (!elf->e_ehdr) {
- size = _msize32(_elf_version, ELF_T_EHDR);
- elf_assert(size);
- if ((ehdr = (Elf32_Ehdr*)malloc(size))) {
- memset(ehdr, 0, size);
- elf->e_ehdr = (char*)ehdr;
- elf->e_free_ehdr = 1;
- elf->e_ehdr_flags |= ELF_F_DIRTY;
- elf->e_kind = ELF_K_ELF;
- elf->e_class = ELFCLASS32;
- return ehdr;
- }
- seterr(ERROR_MEM_EHDR);
- }
- else if (elf->e_class != ELFCLASS32) {
- seterr(ERROR_CLASSMISMATCH);
- }
- else {
- elf_assert(elf->e_kind == ELF_K_ELF);
- return (Elf32_Ehdr*)elf->e_ehdr;
- }
- return NULL;
- }
-