1 /*

     2 32.getshdr.c - implementation of the elf{32,64}_getshdr(3) functions.

     3 Copyright (C) 1995 - 1998 Michael Riepe

     4 

     5 This library is free software; you can redistribute it and/or

     6 modify it under the terms of the GNU Library General Public

     7 License as published by the Free Software Foundation; either

     8 version 2 of the License, or (at your option) any later version.

     9 

    10 This library is distributed in the hope that it will be useful,

    11 but WITHOUT ANY WARRANTY; without even the implied warranty of

    12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    13 Library General Public License for more details.

    14 

    15 You should have received a copy of the GNU Library General Public

    16 License along with this library; if not, write to the Free Software

    17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    18 */

    19 

    20 #include <private.h>

    21 

    22 #ifndef lint

    23 static const char rcsid[] = "@(#) $Id: 32.getshdr.c,v 1.9 2005/05/21 15:39:19 michael Exp $";

    24 #endif /* lint */

    25 

    26 Elf32_Shdr*

    27 elf32_getshdr(Elf_Scn *scn) {

    28     if (!scn) {

    29 	return NULL;

    30     }

    31     elf_assert(scn->s_magic == SCN_MAGIC);

    32     elf_assert(scn->s_elf);

    33     elf_assert(scn->s_elf->e_magic == ELF_MAGIC);

    34     if (scn->s_elf->e_class == ELFCLASS32) {

    35 	return &scn->s_shdr32;

    36     }

    37     seterr(ERROR_CLASSMISMATCH);

    38     return NULL;

    39 }

    40 

    41 #if __LIBELF64

    42 

    43 Elf64_Shdr*

    44 elf64_getshdr(Elf_Scn *scn) {

    45     if (!scn) {

    46 	return NULL;

    47     }

    48     elf_assert(scn->s_magic == SCN_MAGIC);

    49     elf_assert(scn->s_elf);

    50     elf_assert(scn->s_elf->e_magic == ELF_MAGIC);

    51     if (scn->s_elf->e_class == ELFCLASS64) {

    52 	return &scn->s_shdr64;

    53     }

    54     seterr(ERROR_CLASSMISMATCH);

    55     return NULL;

    56 }

    57 

    58 #endif /* __LIBELF64 */