xref: /netbsd-src/external/bsd/elftoolchain/dist/libelf/elf_getarsym.c (revision 5ac3bc719ce6e70593039505b491894133237d12)
1*5ac3bc71Schristos /*	$NetBSD: elf_getarsym.c,v 1.5 2024/03/03 17:37:33 christos Exp $	*/
2e81373b4Schristos 
39dd9d0cfSchristos /*-
49dd9d0cfSchristos  * Copyright (c) 2006,2008 Joseph Koshy
59dd9d0cfSchristos  * All rights reserved.
69dd9d0cfSchristos  *
79dd9d0cfSchristos  * Redistribution and use in source and binary forms, with or without
89dd9d0cfSchristos  * modification, are permitted provided that the following conditions
99dd9d0cfSchristos  * are met:
109dd9d0cfSchristos  * 1. Redistributions of source code must retain the above copyright
119dd9d0cfSchristos  *    notice, this list of conditions and the following disclaimer.
129dd9d0cfSchristos  * 2. Redistributions in binary form must reproduce the above copyright
139dd9d0cfSchristos  *    notice, this list of conditions and the following disclaimer in the
149dd9d0cfSchristos  *    documentation and/or other materials provided with the distribution.
159dd9d0cfSchristos  *
169dd9d0cfSchristos  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
179dd9d0cfSchristos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
189dd9d0cfSchristos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
199dd9d0cfSchristos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
209dd9d0cfSchristos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
219dd9d0cfSchristos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
229dd9d0cfSchristos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
239dd9d0cfSchristos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
249dd9d0cfSchristos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
259dd9d0cfSchristos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
269dd9d0cfSchristos  * SUCH DAMAGE.
279dd9d0cfSchristos  */
289dd9d0cfSchristos 
29*5ac3bc71Schristos #include <sys/cdefs.h>
30*5ac3bc71Schristos 
319dd9d0cfSchristos #include <libelf.h>
329dd9d0cfSchristos 
339dd9d0cfSchristos #include "_libelf.h"
349dd9d0cfSchristos 
35*5ac3bc71Schristos __RCSID("$NetBSD: elf_getarsym.c,v 1.5 2024/03/03 17:37:33 christos Exp $");
369dd9d0cfSchristos 
379dd9d0cfSchristos Elf_Arsym *
elf_getarsym(Elf * ar,size_t * ptr)389dd9d0cfSchristos elf_getarsym(Elf *ar, size_t *ptr)
399dd9d0cfSchristos {
409dd9d0cfSchristos 	size_t n;
419dd9d0cfSchristos 	Elf_Arsym *symtab;
429dd9d0cfSchristos 
439dd9d0cfSchristos 	n = 0;
449dd9d0cfSchristos 	symtab = NULL;
459dd9d0cfSchristos 
469dd9d0cfSchristos 	if (ar == NULL || ar->e_kind != ELF_K_AR)
479dd9d0cfSchristos 		LIBELF_SET_ERROR(ARGUMENT, 0);
489dd9d0cfSchristos 	else if ((symtab = ar->e_u.e_ar.e_symtab) != NULL)
499dd9d0cfSchristos 		n = ar->e_u.e_ar.e_symtabsz;
509dd9d0cfSchristos 	else if (ar->e_u.e_ar.e_rawsymtab)
519dd9d0cfSchristos 		symtab = (ar->e_flags & LIBELF_F_AR_VARIANT_SVR4) ?
529dd9d0cfSchristos 		    _libelf_ar_process_svr4_symtab(ar, &n) :
539dd9d0cfSchristos 		    _libelf_ar_process_bsd_symtab(ar, &n);
549dd9d0cfSchristos 	else
559dd9d0cfSchristos 		LIBELF_SET_ERROR(ARCHIVE, 0);
569dd9d0cfSchristos 
579dd9d0cfSchristos 	if (ptr)
589dd9d0cfSchristos 		*ptr = n;
599dd9d0cfSchristos 	return (symtab);
609dd9d0cfSchristos }
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