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 370Sstevel@tonic-gate Elf_Scn * elf_newscn(Elf * elf)380Sstevel@tonic-gateelf_newscn(Elf * elf) 390Sstevel@tonic-gate { 400Sstevel@tonic-gate Elf_Scn * tl; 410Sstevel@tonic-gate 420Sstevel@tonic-gate if (elf == 0) 430Sstevel@tonic-gate return (0); 440Sstevel@tonic-gate 450Sstevel@tonic-gate ELFWLOCK(elf) 460Sstevel@tonic-gate /* 470Sstevel@tonic-gate * if no sections yet, the file either isn't cooked 480Sstevel@tonic-gate * or it truly is empty. Then allocate shdr[0] 490Sstevel@tonic-gate */ 500Sstevel@tonic-gate if ((elf->ed_hdscn == 0) && (_elf_cook(elf) != OK_YES)) { 510Sstevel@tonic-gate ELFUNLOCK(elf) 520Sstevel@tonic-gate return (0); 530Sstevel@tonic-gate } 540Sstevel@tonic-gate if (elf->ed_ehdr == 0) { 550Sstevel@tonic-gate _elf_seterr(ESEQ_EHDR, 0); 560Sstevel@tonic-gate ELFUNLOCK(elf) 570Sstevel@tonic-gate return (0); 580Sstevel@tonic-gate } 590Sstevel@tonic-gate 600Sstevel@tonic-gate if (elf->ed_class == ELFCLASS32) { 610Sstevel@tonic-gate Snode32 *s; 620Sstevel@tonic-gate 630Sstevel@tonic-gate if (elf->ed_hdscn == 0) { 640Sstevel@tonic-gate if ((s = _elf32_snode()) == 0) { 650Sstevel@tonic-gate ELFUNLOCK(elf) 660Sstevel@tonic-gate return (0); 670Sstevel@tonic-gate } 680Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 690Sstevel@tonic-gate s->sb_scn.s_elf = elf; 700Sstevel@tonic-gate elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn; 710Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 720Sstevel@tonic-gate } 730Sstevel@tonic-gate if ((s = _elf32_snode()) == 0) { 740Sstevel@tonic-gate ELFUNLOCK(elf) 750Sstevel@tonic-gate return (0); 760Sstevel@tonic-gate } 770Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 780Sstevel@tonic-gate tl = elf->ed_tlscn; 790Sstevel@tonic-gate s->sb_scn.s_elf = elf; 800Sstevel@tonic-gate s->sb_scn.s_index = tl->s_index + 1; 810Sstevel@tonic-gate elf->ed_tlscn = tl->s_next = &s->sb_scn; 820Sstevel@tonic-gate ((Elf32_Ehdr *)elf->ed_ehdr)->e_shnum 830Sstevel@tonic-gate /* LINTED */ 840Sstevel@tonic-gate = (Elf32_Half)(tl->s_index + 2); 850Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 860Sstevel@tonic-gate tl = &s->sb_scn; 870Sstevel@tonic-gate NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*s)) 880Sstevel@tonic-gate ELFUNLOCK(elf) 890Sstevel@tonic-gate return (tl); 900Sstevel@tonic-gate } else if (elf->ed_class == ELFCLASS64) { 910Sstevel@tonic-gate Snode64 *s; 920Sstevel@tonic-gate 930Sstevel@tonic-gate if (elf->ed_hdscn == 0) { 940Sstevel@tonic-gate if ((s = _elf64_snode()) == 0) { 950Sstevel@tonic-gate ELFUNLOCK(elf) 960Sstevel@tonic-gate return (0); 970Sstevel@tonic-gate } 980Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 990Sstevel@tonic-gate s->sb_scn.s_elf = elf; 1000Sstevel@tonic-gate elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn; 1010Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 1020Sstevel@tonic-gate } 1030Sstevel@tonic-gate if ((s = _elf64_snode()) == 0) { 1040Sstevel@tonic-gate ELFUNLOCK(elf) 1050Sstevel@tonic-gate return (0); 1060Sstevel@tonic-gate } 1070Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 1080Sstevel@tonic-gate tl = elf->ed_tlscn; 1090Sstevel@tonic-gate s->sb_scn.s_elf = elf; 1100Sstevel@tonic-gate s->sb_scn.s_index = tl->s_index + 1; 1110Sstevel@tonic-gate elf->ed_tlscn = tl->s_next = &s->sb_scn; 1120Sstevel@tonic-gate ((Elf64_Ehdr *)elf->ed_ehdr)->e_shnum 1130Sstevel@tonic-gate /* LINTED */ 1140Sstevel@tonic-gate = (Elf64_Half)(tl->s_index + 2); 1150Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 1160Sstevel@tonic-gate tl = &s->sb_scn; 1170Sstevel@tonic-gate NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*s)) 1180Sstevel@tonic-gate ELFUNLOCK(elf) 1190Sstevel@tonic-gate return (tl); 1200Sstevel@tonic-gate } else { 1210Sstevel@tonic-gate _elf_seterr(EREQ_CLASS, 0); 1220Sstevel@tonic-gate ELFUNLOCK(elf) 1230Sstevel@tonic-gate return (0); 1240Sstevel@tonic-gate } 1250Sstevel@tonic-gate } 126