xref: /minix3/external/bsd/elftoolchain/dist/libelf/elf_getarsym.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7)
1*0a6a1f1dSLionel Sambuc /*	$NetBSD: elf_getarsym.c,v 1.2 2014/03/09 16:58:04 christos Exp $	*/
2*0a6a1f1dSLionel Sambuc 
3*0a6a1f1dSLionel Sambuc /*-
4*0a6a1f1dSLionel Sambuc  * Copyright (c) 2006,2008 Joseph Koshy
5*0a6a1f1dSLionel Sambuc  * All rights reserved.
6*0a6a1f1dSLionel Sambuc  *
7*0a6a1f1dSLionel Sambuc  * Redistribution and use in source and binary forms, with or without
8*0a6a1f1dSLionel Sambuc  * modification, are permitted provided that the following conditions
9*0a6a1f1dSLionel Sambuc  * are met:
10*0a6a1f1dSLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
11*0a6a1f1dSLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
12*0a6a1f1dSLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
13*0a6a1f1dSLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
14*0a6a1f1dSLionel Sambuc  *    documentation and/or other materials provided with the distribution.
15*0a6a1f1dSLionel Sambuc  *
16*0a6a1f1dSLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*0a6a1f1dSLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*0a6a1f1dSLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*0a6a1f1dSLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*0a6a1f1dSLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*0a6a1f1dSLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*0a6a1f1dSLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*0a6a1f1dSLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*0a6a1f1dSLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*0a6a1f1dSLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*0a6a1f1dSLionel Sambuc  * SUCH DAMAGE.
27*0a6a1f1dSLionel Sambuc  */
28*0a6a1f1dSLionel Sambuc 
29*0a6a1f1dSLionel Sambuc #include <sys/cdefs.h>
30*0a6a1f1dSLionel Sambuc 
31*0a6a1f1dSLionel Sambuc #include <libelf.h>
32*0a6a1f1dSLionel Sambuc 
33*0a6a1f1dSLionel Sambuc #include "_libelf.h"
34*0a6a1f1dSLionel Sambuc 
35*0a6a1f1dSLionel Sambuc __RCSID("$NetBSD: elf_getarsym.c,v 1.2 2014/03/09 16:58:04 christos Exp $");
36*0a6a1f1dSLionel Sambuc ELFTC_VCSID("Id: elf_getarsym.c 2225 2011-11-26 18:55:54Z jkoshy ");
37*0a6a1f1dSLionel Sambuc 
38*0a6a1f1dSLionel Sambuc Elf_Arsym *
elf_getarsym(Elf * ar,size_t * ptr)39*0a6a1f1dSLionel Sambuc elf_getarsym(Elf *ar, size_t *ptr)
40*0a6a1f1dSLionel Sambuc {
41*0a6a1f1dSLionel Sambuc 	size_t n;
42*0a6a1f1dSLionel Sambuc 	Elf_Arsym *symtab;
43*0a6a1f1dSLionel Sambuc 
44*0a6a1f1dSLionel Sambuc 	n = 0;
45*0a6a1f1dSLionel Sambuc 	symtab = NULL;
46*0a6a1f1dSLionel Sambuc 
47*0a6a1f1dSLionel Sambuc 	if (ar == NULL || ar->e_kind != ELF_K_AR)
48*0a6a1f1dSLionel Sambuc 		LIBELF_SET_ERROR(ARGUMENT, 0);
49*0a6a1f1dSLionel Sambuc 	else if ((symtab = ar->e_u.e_ar.e_symtab) != NULL)
50*0a6a1f1dSLionel Sambuc 		n = ar->e_u.e_ar.e_symtabsz;
51*0a6a1f1dSLionel Sambuc 	else if (ar->e_u.e_ar.e_rawsymtab)
52*0a6a1f1dSLionel Sambuc 		symtab = (ar->e_flags & LIBELF_F_AR_VARIANT_SVR4) ?
53*0a6a1f1dSLionel Sambuc 		    _libelf_ar_process_svr4_symtab(ar, &n) :
54*0a6a1f1dSLionel Sambuc 		    _libelf_ar_process_bsd_symtab(ar, &n);
55*0a6a1f1dSLionel Sambuc 	else
56*0a6a1f1dSLionel Sambuc 		LIBELF_SET_ERROR(ARCHIVE, 0);
57*0a6a1f1dSLionel Sambuc 
58*0a6a1f1dSLionel Sambuc 	if (ptr)
59*0a6a1f1dSLionel Sambuc 		*ptr = n;
60*0a6a1f1dSLionel Sambuc 	return (symtab);
61*0a6a1f1dSLionel Sambuc }
62