1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * Copyright (c) 1998 by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.4 */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #pragma weak elf_cntl = _elf_cntl 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #include "syn.h" 37*0Sstevel@tonic-gate #include "libelf.h" 38*0Sstevel@tonic-gate #include "decl.h" 39*0Sstevel@tonic-gate #include "msg.h" 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate int 43*0Sstevel@tonic-gate elf_cntl(Elf * elf, Elf_Cmd cmd) 44*0Sstevel@tonic-gate { 45*0Sstevel@tonic-gate 46*0Sstevel@tonic-gate if (elf == 0) 47*0Sstevel@tonic-gate return (0); 48*0Sstevel@tonic-gate ELFWLOCK(elf); 49*0Sstevel@tonic-gate switch (cmd) { 50*0Sstevel@tonic-gate case ELF_C_FDREAD: 51*0Sstevel@tonic-gate { 52*0Sstevel@tonic-gate int j = 0; 53*0Sstevel@tonic-gate 54*0Sstevel@tonic-gate if ((elf->ed_myflags & EDF_READ) == 0) { 55*0Sstevel@tonic-gate _elf_seterr(EREQ_CNTLWRT, 0); 56*0Sstevel@tonic-gate ELFUNLOCK(elf); 57*0Sstevel@tonic-gate return (-1); 58*0Sstevel@tonic-gate } 59*0Sstevel@tonic-gate if ((elf->ed_status != ES_FROZEN) && 60*0Sstevel@tonic-gate ((_elf_cook(elf) != OK_YES) || 61*0Sstevel@tonic-gate (_elf_vm(elf, (size_t)0, elf->ed_fsz) != OK_YES))) 62*0Sstevel@tonic-gate j = -1; 63*0Sstevel@tonic-gate elf->ed_fd = -1; 64*0Sstevel@tonic-gate ELFUNLOCK(elf); 65*0Sstevel@tonic-gate return (j); 66*0Sstevel@tonic-gate } 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate case ELF_C_FDDONE: 69*0Sstevel@tonic-gate if ((elf->ed_myflags & EDF_READ) == 0) { 70*0Sstevel@tonic-gate _elf_seterr(EREQ_CNTLWRT, 0); 71*0Sstevel@tonic-gate ELFUNLOCK(elf); 72*0Sstevel@tonic-gate return (-1); 73*0Sstevel@tonic-gate } 74*0Sstevel@tonic-gate elf->ed_fd = -1; 75*0Sstevel@tonic-gate ELFUNLOCK(elf); 76*0Sstevel@tonic-gate return (0); 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate default: 79*0Sstevel@tonic-gate _elf_seterr(EREQ_CNTLCMD, 0); 80*0Sstevel@tonic-gate break; 81*0Sstevel@tonic-gate } 82*0Sstevel@tonic-gate ELFUNLOCK(elf); 83*0Sstevel@tonic-gate return (-1); 84*0Sstevel@tonic-gate } 85