1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2002 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <string.h> 30 #include <gelf.h> 31 #include <decl.h> 32 #include <msg.h> 33 34 35 int 36 elf_getshnum(Elf *elf, size_t *shnum) 37 { 38 GElf_Ehdr ehdr; 39 Elf_Scn *scn; 40 GElf_Shdr shdr0; 41 42 if (gelf_getehdr(elf, &ehdr) == 0) 43 return (0); 44 if (ehdr.e_shnum > 0) { 45 *shnum = ehdr.e_shnum; 46 return (1); 47 } 48 if ((ehdr.e_shnum == 0) && (ehdr.e_shoff == 0)) { 49 *shnum = 0; 50 return (1); 51 } 52 if ((scn = elf_getscn(elf, 0)) == 0) 53 return (0); 54 if (gelf_getshdr(scn, &shdr0) == 0) 55 return (0); 56 *shnum = shdr0.sh_size; 57 return (1); 58 } 59