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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <string.h> 27 #include <gelf.h> 28 #include <decl.h> 29 #include <msg.h> 30 31 /* 32 * Return section header array string table index, taking 33 * extended headers into account. 34 * 35 * elf_getshstrndx() returns 0 for failure, and 1 for success. 36 * 37 * elf_getshdrstrndx() supercedes elf_getshstrndx(), which is now considered 38 * obsolete. It returns -1 for failure and 0 for success, bringing us into 39 * alignment with the interface agreed to in the 2002 gABI meeting. 40 * 41 * See the comment in getshnum.c for additional information. 42 */ 43 44 int 45 elf_getshdrstrndx(Elf *elf, size_t *shstrndx) 46 { 47 GElf_Ehdr ehdr; 48 Elf_Scn *scn; 49 GElf_Shdr shdr0; 50 51 if (gelf_getehdr(elf, &ehdr) == 0) 52 return (-1); 53 if (ehdr.e_shstrndx != SHN_XINDEX) { 54 *shstrndx = ehdr.e_shstrndx; 55 return (0); 56 } 57 if ((scn = elf_getscn(elf, 0)) == 0) 58 return (-1); 59 if (gelf_getshdr(scn, &shdr0) == 0) 60 return (-1); 61 *shstrndx = shdr0.sh_link; 62 return (0); 63 } 64 65 int 66 elf_getshstrndx(Elf *elf, size_t *shstrndx) 67 { 68 return (elf_getshdrstrndx(elf, shstrndx) == 0); 69 } 70