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 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 #include "libelf.h" 31 #include "decl.h" 32 33 34 char * elf_getident(Elf * elf,size_t * ptr)35elf_getident(Elf *elf, size_t *ptr) 36 { 37 size_t sz = 0; 38 char *id = 0; 39 40 if (elf != 0) { 41 ELFRLOCK(elf) 42 if (elf->ed_identsz != 0) { 43 if ((elf->ed_vm == 0) || (elf->ed_status != 44 ES_COOKED)) { 45 /* 46 * We need to upgrade to a Writers 47 * lock 48 */ 49 ELFUNLOCK(elf) 50 ELFWLOCK(elf) 51 if ((_elf_cook(elf) == OK_YES) && 52 (_elf_vm(elf, (size_t)0, 53 elf->ed_identsz) == OK_YES)) { 54 id = elf->ed_ident; 55 sz = elf->ed_identsz; 56 } 57 } else { 58 id = elf->ed_ident; 59 sz = elf->ed_identsz; 60 } 61 } 62 ELFUNLOCK(elf) 63 } 64 if (ptr != 0) 65 *ptr = sz; 66 return (id); 67 } 68