10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*6812Sraf * Common Development and Distribution License (the "License").
6*6812Sraf * You may not use this file except in compliance with the License.
70Sstevel@tonic-gate *
80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
100Sstevel@tonic-gate * See the License for the specific language governing permissions
110Sstevel@tonic-gate * and limitations under the License.
120Sstevel@tonic-gate *
130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
180Sstevel@tonic-gate *
190Sstevel@tonic-gate * CDDL HEADER END
200Sstevel@tonic-gate */
21*6812Sraf
22*6812Sraf /*
23*6812Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24*6812Sraf * Use is subject to license terms.
25*6812Sraf */
26*6812Sraf
270Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */
280Sstevel@tonic-gate /* All Rights Reserved */
290Sstevel@tonic-gate
30*6812Sraf #pragma ident "%Z%%M% %I% %E% SMI"
310Sstevel@tonic-gate
320Sstevel@tonic-gate #include "libelf.h"
330Sstevel@tonic-gate #include "decl.h"
340Sstevel@tonic-gate #include "msg.h"
350Sstevel@tonic-gate
360Sstevel@tonic-gate int
elf_cntl(Elf * elf,Elf_Cmd cmd)370Sstevel@tonic-gate elf_cntl(Elf * elf, Elf_Cmd cmd)
380Sstevel@tonic-gate {
390Sstevel@tonic-gate
400Sstevel@tonic-gate if (elf == 0)
410Sstevel@tonic-gate return (0);
420Sstevel@tonic-gate ELFWLOCK(elf);
430Sstevel@tonic-gate switch (cmd) {
440Sstevel@tonic-gate case ELF_C_FDREAD:
450Sstevel@tonic-gate {
460Sstevel@tonic-gate int j = 0;
470Sstevel@tonic-gate
480Sstevel@tonic-gate if ((elf->ed_myflags & EDF_READ) == 0) {
490Sstevel@tonic-gate _elf_seterr(EREQ_CNTLWRT, 0);
500Sstevel@tonic-gate ELFUNLOCK(elf);
510Sstevel@tonic-gate return (-1);
520Sstevel@tonic-gate }
530Sstevel@tonic-gate if ((elf->ed_status != ES_FROZEN) &&
540Sstevel@tonic-gate ((_elf_cook(elf) != OK_YES) ||
550Sstevel@tonic-gate (_elf_vm(elf, (size_t)0, elf->ed_fsz) != OK_YES)))
560Sstevel@tonic-gate j = -1;
570Sstevel@tonic-gate elf->ed_fd = -1;
580Sstevel@tonic-gate ELFUNLOCK(elf);
590Sstevel@tonic-gate return (j);
600Sstevel@tonic-gate }
610Sstevel@tonic-gate
620Sstevel@tonic-gate case ELF_C_FDDONE:
630Sstevel@tonic-gate if ((elf->ed_myflags & EDF_READ) == 0) {
640Sstevel@tonic-gate _elf_seterr(EREQ_CNTLWRT, 0);
650Sstevel@tonic-gate ELFUNLOCK(elf);
660Sstevel@tonic-gate return (-1);
670Sstevel@tonic-gate }
680Sstevel@tonic-gate elf->ed_fd = -1;
690Sstevel@tonic-gate ELFUNLOCK(elf);
700Sstevel@tonic-gate return (0);
710Sstevel@tonic-gate
720Sstevel@tonic-gate default:
730Sstevel@tonic-gate _elf_seterr(EREQ_CNTLCMD, 0);
740Sstevel@tonic-gate break;
750Sstevel@tonic-gate }
760Sstevel@tonic-gate ELFUNLOCK(elf);
770Sstevel@tonic-gate return (-1);
780Sstevel@tonic-gate }
79