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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include "libelf.h" 33 #include "decl.h" 34 35 36 char * 37 elf_getident(Elf *elf, size_t *ptr) 38 { 39 size_t sz = 0; 40 char *id = 0; 41 42 if (elf != 0) { 43 ELFRLOCK(elf) 44 if (elf->ed_identsz != 0) { 45 if ((elf->ed_vm == 0) || (elf->ed_status != 46 ES_COOKED)) { 47 /* 48 * We need to upgrade to a Writers 49 * lock 50 */ 51 ELFUNLOCK(elf) 52 ELFWLOCK(elf) 53 if ((_elf_cook(elf) == OK_YES) && 54 (_elf_vm(elf, (size_t)0, 55 elf->ed_identsz) == OK_YES)) { 56 id = elf->ed_ident; 57 sz = elf->ed_identsz; 58 } 59 } else { 60 id = elf->ed_ident; 61 sz = elf->ed_identsz; 62 } 63 } 64 ELFUNLOCK(elf) 65 } 66 if (ptr != 0) 67 *ptr = sz; 68 return (id); 69 } 70