17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7257d1b4Sraf * Common Development and Distribution License (the "License").
6*7257d1b4Sraf * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate
227c478bd9Sstevel@tonic-gate /*
23*7257d1b4Sraf * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24*7257d1b4Sraf * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate */
267c478bd9Sstevel@tonic-gate
27*7257d1b4Sraf /* Copyright (c) 1988 AT&T */
28*7257d1b4Sraf /* All Rights Reserved */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate #include "libelf.h"
317c478bd9Sstevel@tonic-gate #include "decl.h"
327c478bd9Sstevel@tonic-gate #include "msg.h"
337c478bd9Sstevel@tonic-gate
347c478bd9Sstevel@tonic-gate int
elf_cntl(Elf * elf,Elf_Cmd cmd)357c478bd9Sstevel@tonic-gate elf_cntl(Elf * elf, Elf_Cmd cmd)
367c478bd9Sstevel@tonic-gate {
377c478bd9Sstevel@tonic-gate
387c478bd9Sstevel@tonic-gate if (elf == 0)
397c478bd9Sstevel@tonic-gate return (0);
407c478bd9Sstevel@tonic-gate ELFWLOCK(elf);
417c478bd9Sstevel@tonic-gate switch (cmd) {
427c478bd9Sstevel@tonic-gate case ELF_C_FDREAD:
437c478bd9Sstevel@tonic-gate {
447c478bd9Sstevel@tonic-gate int j = 0;
457c478bd9Sstevel@tonic-gate
467c478bd9Sstevel@tonic-gate if ((elf->ed_myflags & EDF_READ) == 0) {
477c478bd9Sstevel@tonic-gate _elf_seterr(EREQ_CNTLWRT, 0);
487c478bd9Sstevel@tonic-gate ELFUNLOCK(elf);
497c478bd9Sstevel@tonic-gate return (-1);
507c478bd9Sstevel@tonic-gate }
517c478bd9Sstevel@tonic-gate if ((elf->ed_status != ES_FROZEN) &&
527c478bd9Sstevel@tonic-gate ((_elf_cook(elf) != OK_YES) ||
537c478bd9Sstevel@tonic-gate (_elf_vm(elf, (size_t)0, elf->ed_fsz) != OK_YES)))
547c478bd9Sstevel@tonic-gate j = -1;
557c478bd9Sstevel@tonic-gate elf->ed_fd = -1;
567c478bd9Sstevel@tonic-gate ELFUNLOCK(elf);
577c478bd9Sstevel@tonic-gate return (j);
587c478bd9Sstevel@tonic-gate }
597c478bd9Sstevel@tonic-gate
607c478bd9Sstevel@tonic-gate case ELF_C_FDDONE:
617c478bd9Sstevel@tonic-gate if ((elf->ed_myflags & EDF_READ) == 0) {
627c478bd9Sstevel@tonic-gate _elf_seterr(EREQ_CNTLWRT, 0);
637c478bd9Sstevel@tonic-gate ELFUNLOCK(elf);
647c478bd9Sstevel@tonic-gate return (-1);
657c478bd9Sstevel@tonic-gate }
667c478bd9Sstevel@tonic-gate elf->ed_fd = -1;
677c478bd9Sstevel@tonic-gate ELFUNLOCK(elf);
687c478bd9Sstevel@tonic-gate return (0);
697c478bd9Sstevel@tonic-gate
707c478bd9Sstevel@tonic-gate default:
717c478bd9Sstevel@tonic-gate _elf_seterr(EREQ_CNTLCMD, 0);
727c478bd9Sstevel@tonic-gate break;
737c478bd9Sstevel@tonic-gate }
747c478bd9Sstevel@tonic-gate ELFUNLOCK(elf);
757c478bd9Sstevel@tonic-gate return (-1);
767c478bd9Sstevel@tonic-gate }
77