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) 1999 by Sun Microsystems, Inc. 28*0Sstevel@tonic-gate * All rights reserved. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma weak elf_rawdata = _elf_rawdata 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include "syn.h" 38*0Sstevel@tonic-gate #include <stdlib.h> 39*0Sstevel@tonic-gate #include "libelf.h" 40*0Sstevel@tonic-gate #include "decl.h" 41*0Sstevel@tonic-gate #include "msg.h" 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate Elf_Data * 45*0Sstevel@tonic-gate elf_rawdata(Elf_Scn * scn, Elf_Data * data) 46*0Sstevel@tonic-gate { 47*0Sstevel@tonic-gate Dnode * d = (Dnode *)data; 48*0Sstevel@tonic-gate Dnode * raw; 49*0Sstevel@tonic-gate Elf_Data * rc; 50*0Sstevel@tonic-gate Elf * elf; 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate if (scn == 0) 53*0Sstevel@tonic-gate return (0); 54*0Sstevel@tonic-gate elf = scn->s_elf; 55*0Sstevel@tonic-gate READLOCKS(elf, scn) 56*0Sstevel@tonic-gate if ((scn->s_myflags & SF_READY) == 0) { 57*0Sstevel@tonic-gate UPGRADELOCKS(elf, scn) 58*0Sstevel@tonic-gate if ((scn->s_myflags & SF_READY) == 0) 59*0Sstevel@tonic-gate (void) _elf_cookscn(scn); 60*0Sstevel@tonic-gate DOWNGRADELOCKS(elf, scn) 61*0Sstevel@tonic-gate } 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate if (d == 0) 64*0Sstevel@tonic-gate d = scn->s_hdnode; 65*0Sstevel@tonic-gate else 66*0Sstevel@tonic-gate d = d->db_next; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate if (d == 0) { 69*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 70*0Sstevel@tonic-gate return (0); 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate if (d->db_scn != scn) { 74*0Sstevel@tonic-gate _elf_seterr(EREQ_DATA, 0); 75*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 76*0Sstevel@tonic-gate return (0); 77*0Sstevel@tonic-gate } 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate /* 80*0Sstevel@tonic-gate * The data may come from a previously constructed Dbuf, 81*0Sstevel@tonic-gate * from the file's raw memory image, or the file system. 82*0Sstevel@tonic-gate * "Empty" regions get an empty buffer. 83*0Sstevel@tonic-gate */ 84*0Sstevel@tonic-gate 85*0Sstevel@tonic-gate if (d->db_raw != 0) { 86*0Sstevel@tonic-gate rc = &d->db_raw->db_data; 87*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 88*0Sstevel@tonic-gate return (rc); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate if ((raw = _elf_dnode()) == 0) { 92*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 93*0Sstevel@tonic-gate return (0); 94*0Sstevel@tonic-gate } 95*0Sstevel@tonic-gate raw->db_myflags |= DBF_READY; 96*0Sstevel@tonic-gate if ((d->db_off == 0) || (d->db_fsz == 0)) { 97*0Sstevel@tonic-gate d->db_raw = raw; 98*0Sstevel@tonic-gate raw->db_data.d_size = d->db_shsz; 99*0Sstevel@tonic-gate rc = &raw->db_data; 100*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 101*0Sstevel@tonic-gate return (rc); 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate 104*0Sstevel@tonic-gate /* 105*0Sstevel@tonic-gate * validate the region 106*0Sstevel@tonic-gate */ 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate if ((d->db_off < 0) || 109*0Sstevel@tonic-gate (d->db_off >= elf->ed_fsz) || 110*0Sstevel@tonic-gate (elf->ed_fsz - d->db_off < d->db_fsz)) { 111*0Sstevel@tonic-gate _elf_seterr(EFMT_DATA, 0); 112*0Sstevel@tonic-gate free(raw); 113*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 114*0Sstevel@tonic-gate return (0); 115*0Sstevel@tonic-gate } 116*0Sstevel@tonic-gate raw->db_data.d_size = d->db_fsz; 117*0Sstevel@tonic-gate if (elf->ed_raw != 0) { 118*0Sstevel@tonic-gate raw->db_data.d_buf = (Elf_Void *)(elf->ed_raw + d->db_off); 119*0Sstevel@tonic-gate d->db_raw = raw; 120*0Sstevel@tonic-gate rc = &raw->db_data; 121*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 122*0Sstevel@tonic-gate return (rc); 123*0Sstevel@tonic-gate } 124*0Sstevel@tonic-gate raw->db_buf = (Elf_Void *)_elf_read(elf->ed_fd, 125*0Sstevel@tonic-gate elf->ed_baseoff + d->db_off, d->db_fsz); 126*0Sstevel@tonic-gate if (raw->db_buf == 0) { 127*0Sstevel@tonic-gate free(raw); 128*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 129*0Sstevel@tonic-gate return (0); 130*0Sstevel@tonic-gate } 131*0Sstevel@tonic-gate raw->db_data.d_buf = raw->db_buf; 132*0Sstevel@tonic-gate d->db_raw = raw; 133*0Sstevel@tonic-gate rc = &raw->db_data; 134*0Sstevel@tonic-gate READUNLOCKS(elf, scn) 135*0Sstevel@tonic-gate return (rc); 136*0Sstevel@tonic-gate } 137