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 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1998 by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4 */ 32 33 #pragma weak elf_cntl = _elf_cntl 34 35 36 #include "syn.h" 37 #include "libelf.h" 38 #include "decl.h" 39 #include "msg.h" 40 41 42 int 43 elf_cntl(Elf * elf, Elf_Cmd cmd) 44 { 45 46 if (elf == 0) 47 return (0); 48 ELFWLOCK(elf); 49 switch (cmd) { 50 case ELF_C_FDREAD: 51 { 52 int j = 0; 53 54 if ((elf->ed_myflags & EDF_READ) == 0) { 55 _elf_seterr(EREQ_CNTLWRT, 0); 56 ELFUNLOCK(elf); 57 return (-1); 58 } 59 if ((elf->ed_status != ES_FROZEN) && 60 ((_elf_cook(elf) != OK_YES) || 61 (_elf_vm(elf, (size_t)0, elf->ed_fsz) != OK_YES))) 62 j = -1; 63 elf->ed_fd = -1; 64 ELFUNLOCK(elf); 65 return (j); 66 } 67 68 case ELF_C_FDDONE: 69 if ((elf->ed_myflags & EDF_READ) == 0) { 70 _elf_seterr(EREQ_CNTLWRT, 0); 71 ELFUNLOCK(elf); 72 return (-1); 73 } 74 elf->ed_fd = -1; 75 ELFUNLOCK(elf); 76 return (0); 77 78 default: 79 _elf_seterr(EREQ_CNTLCMD, 0); 80 break; 81 } 82 ELFUNLOCK(elf); 83 return (-1); 84 } 85