1 /* $NetBSD: elf_getarsym.c,v 1.2 2014/03/09 16:58:04 christos Exp $ */
2
3 /*-
4 * Copyright (c) 2006,2008 Joseph Koshy
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30
31 #include <libelf.h>
32
33 #include "_libelf.h"
34
35 __RCSID("$NetBSD: elf_getarsym.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
36 ELFTC_VCSID("Id: elf_getarsym.c 2225 2011-11-26 18:55:54Z jkoshy ");
37
38 Elf_Arsym *
elf_getarsym(Elf * ar,size_t * ptr)39 elf_getarsym(Elf *ar, size_t *ptr)
40 {
41 size_t n;
42 Elf_Arsym *symtab;
43
44 n = 0;
45 symtab = NULL;
46
47 if (ar == NULL || ar->e_kind != ELF_K_AR)
48 LIBELF_SET_ERROR(ARGUMENT, 0);
49 else if ((symtab = ar->e_u.e_ar.e_symtab) != NULL)
50 n = ar->e_u.e_ar.e_symtabsz;
51 else if (ar->e_u.e_ar.e_rawsymtab)
52 symtab = (ar->e_flags & LIBELF_F_AR_VARIANT_SVR4) ?
53 _libelf_ar_process_svr4_symtab(ar, &n) :
54 _libelf_ar_process_bsd_symtab(ar, &n);
55 else
56 LIBELF_SET_ERROR(ARCHIVE, 0);
57
58 if (ptr)
59 *ptr = n;
60 return (symtab);
61 }
62