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 Elf_Cmd 37 elf_next(Elf * elf) 38 { 39 Elf *parent; 40 41 if (elf == 0) 42 return (ELF_C_NULL); 43 ELFRLOCK(elf) 44 if ((parent = elf->ed_parent) == 0) { 45 ELFUNLOCK(elf); 46 return (ELF_C_NULL); 47 } 48 ELFWLOCK(parent) 49 if (elf->ed_siboff >= parent->ed_fsz) { 50 ELFUNLOCK(parent) 51 ELFUNLOCK(elf); 52 return (ELF_C_NULL); 53 } 54 55 parent->ed_nextoff = elf->ed_siboff; 56 ELFUNLOCK(parent) 57 ELFUNLOCK(elf); 58 return (ELF_C_READ); 59 } 60