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 357c478bd9Sstevel@tonic-gate Elf_Scn * elf_newscn(Elf * elf)367c478bd9Sstevel@tonic-gateelf_newscn(Elf * elf) 377c478bd9Sstevel@tonic-gate { 387c478bd9Sstevel@tonic-gate Elf_Scn * tl; 397c478bd9Sstevel@tonic-gate 407c478bd9Sstevel@tonic-gate if (elf == 0) 417c478bd9Sstevel@tonic-gate return (0); 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate ELFWLOCK(elf) 447c478bd9Sstevel@tonic-gate /* 457c478bd9Sstevel@tonic-gate * if no sections yet, the file either isn't cooked 467c478bd9Sstevel@tonic-gate * or it truly is empty. Then allocate shdr[0] 477c478bd9Sstevel@tonic-gate */ 487c478bd9Sstevel@tonic-gate if ((elf->ed_hdscn == 0) && (_elf_cook(elf) != OK_YES)) { 497c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 507c478bd9Sstevel@tonic-gate return (0); 517c478bd9Sstevel@tonic-gate } 527c478bd9Sstevel@tonic-gate if (elf->ed_ehdr == 0) { 537c478bd9Sstevel@tonic-gate _elf_seterr(ESEQ_EHDR, 0); 547c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 557c478bd9Sstevel@tonic-gate return (0); 567c478bd9Sstevel@tonic-gate } 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate if (elf->ed_class == ELFCLASS32) { 597c478bd9Sstevel@tonic-gate Snode32 *s; 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate if (elf->ed_hdscn == 0) { 627c478bd9Sstevel@tonic-gate if ((s = _elf32_snode()) == 0) { 637c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 647c478bd9Sstevel@tonic-gate return (0); 657c478bd9Sstevel@tonic-gate } 667c478bd9Sstevel@tonic-gate s->sb_scn.s_elf = elf; 677c478bd9Sstevel@tonic-gate elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn; 687c478bd9Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 697c478bd9Sstevel@tonic-gate } 707c478bd9Sstevel@tonic-gate if ((s = _elf32_snode()) == 0) { 717c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 727c478bd9Sstevel@tonic-gate return (0); 737c478bd9Sstevel@tonic-gate } 747c478bd9Sstevel@tonic-gate tl = elf->ed_tlscn; 757c478bd9Sstevel@tonic-gate s->sb_scn.s_elf = elf; 767c478bd9Sstevel@tonic-gate s->sb_scn.s_index = tl->s_index + 1; 777c478bd9Sstevel@tonic-gate elf->ed_tlscn = tl->s_next = &s->sb_scn; 787c478bd9Sstevel@tonic-gate ((Elf32_Ehdr *)elf->ed_ehdr)->e_shnum 797c478bd9Sstevel@tonic-gate /* LINTED */ 807c478bd9Sstevel@tonic-gate = (Elf32_Half)(tl->s_index + 2); 817c478bd9Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 827c478bd9Sstevel@tonic-gate tl = &s->sb_scn; 837c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 847c478bd9Sstevel@tonic-gate return (tl); 857c478bd9Sstevel@tonic-gate } else if (elf->ed_class == ELFCLASS64) { 867c478bd9Sstevel@tonic-gate Snode64 *s; 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate if (elf->ed_hdscn == 0) { 897c478bd9Sstevel@tonic-gate if ((s = _elf64_snode()) == 0) { 907c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 917c478bd9Sstevel@tonic-gate return (0); 927c478bd9Sstevel@tonic-gate } 937c478bd9Sstevel@tonic-gate s->sb_scn.s_elf = elf; 947c478bd9Sstevel@tonic-gate elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn; 957c478bd9Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 967c478bd9Sstevel@tonic-gate } 977c478bd9Sstevel@tonic-gate if ((s = _elf64_snode()) == 0) { 987c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 997c478bd9Sstevel@tonic-gate return (0); 1007c478bd9Sstevel@tonic-gate } 1017c478bd9Sstevel@tonic-gate tl = elf->ed_tlscn; 1027c478bd9Sstevel@tonic-gate s->sb_scn.s_elf = elf; 1037c478bd9Sstevel@tonic-gate s->sb_scn.s_index = tl->s_index + 1; 1047c478bd9Sstevel@tonic-gate elf->ed_tlscn = tl->s_next = &s->sb_scn; 1057c478bd9Sstevel@tonic-gate ((Elf64_Ehdr *)elf->ed_ehdr)->e_shnum 1067c478bd9Sstevel@tonic-gate /* LINTED */ 1077c478bd9Sstevel@tonic-gate = (Elf64_Half)(tl->s_index + 2); 1087c478bd9Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 1097c478bd9Sstevel@tonic-gate tl = &s->sb_scn; 1107c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 1117c478bd9Sstevel@tonic-gate return (tl); 1127c478bd9Sstevel@tonic-gate } else { 1137c478bd9Sstevel@tonic-gate _elf_seterr(EREQ_CLASS, 0); 1147c478bd9Sstevel@tonic-gate ELFUNLOCK(elf) 1157c478bd9Sstevel@tonic-gate return (0); 1167c478bd9Sstevel@tonic-gate } 1177c478bd9Sstevel@tonic-gate } 118