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_newscn = _elf_newscn 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 Elf_Scn * 43*0Sstevel@tonic-gate elf_newscn(Elf * elf) 44*0Sstevel@tonic-gate { 45*0Sstevel@tonic-gate Elf_Scn * tl; 46*0Sstevel@tonic-gate 47*0Sstevel@tonic-gate if (elf == 0) 48*0Sstevel@tonic-gate return (0); 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate ELFWLOCK(elf) 51*0Sstevel@tonic-gate /* 52*0Sstevel@tonic-gate * if no sections yet, the file either isn't cooked 53*0Sstevel@tonic-gate * or it truly is empty. Then allocate shdr[0] 54*0Sstevel@tonic-gate */ 55*0Sstevel@tonic-gate if ((elf->ed_hdscn == 0) && (_elf_cook(elf) != OK_YES)) { 56*0Sstevel@tonic-gate ELFUNLOCK(elf) 57*0Sstevel@tonic-gate return (0); 58*0Sstevel@tonic-gate } 59*0Sstevel@tonic-gate if (elf->ed_ehdr == 0) { 60*0Sstevel@tonic-gate _elf_seterr(ESEQ_EHDR, 0); 61*0Sstevel@tonic-gate ELFUNLOCK(elf) 62*0Sstevel@tonic-gate return (0); 63*0Sstevel@tonic-gate } 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate if (elf->ed_class == ELFCLASS32) { 66*0Sstevel@tonic-gate Snode32 *s; 67*0Sstevel@tonic-gate 68*0Sstevel@tonic-gate if (elf->ed_hdscn == 0) { 69*0Sstevel@tonic-gate if ((s = _elf32_snode()) == 0) { 70*0Sstevel@tonic-gate ELFUNLOCK(elf) 71*0Sstevel@tonic-gate return (0); 72*0Sstevel@tonic-gate } 73*0Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 74*0Sstevel@tonic-gate s->sb_scn.s_elf = elf; 75*0Sstevel@tonic-gate elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn; 76*0Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 77*0Sstevel@tonic-gate } 78*0Sstevel@tonic-gate if ((s = _elf32_snode()) == 0) { 79*0Sstevel@tonic-gate ELFUNLOCK(elf) 80*0Sstevel@tonic-gate return (0); 81*0Sstevel@tonic-gate } 82*0Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 83*0Sstevel@tonic-gate tl = elf->ed_tlscn; 84*0Sstevel@tonic-gate s->sb_scn.s_elf = elf; 85*0Sstevel@tonic-gate s->sb_scn.s_index = tl->s_index + 1; 86*0Sstevel@tonic-gate elf->ed_tlscn = tl->s_next = &s->sb_scn; 87*0Sstevel@tonic-gate ((Elf32_Ehdr *)elf->ed_ehdr)->e_shnum 88*0Sstevel@tonic-gate /* LINTED */ 89*0Sstevel@tonic-gate = (Elf32_Half)(tl->s_index + 2); 90*0Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 91*0Sstevel@tonic-gate tl = &s->sb_scn; 92*0Sstevel@tonic-gate NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*s)) 93*0Sstevel@tonic-gate ELFUNLOCK(elf) 94*0Sstevel@tonic-gate return (tl); 95*0Sstevel@tonic-gate } else if (elf->ed_class == ELFCLASS64) { 96*0Sstevel@tonic-gate Snode64 *s; 97*0Sstevel@tonic-gate 98*0Sstevel@tonic-gate if (elf->ed_hdscn == 0) { 99*0Sstevel@tonic-gate if ((s = _elf64_snode()) == 0) { 100*0Sstevel@tonic-gate ELFUNLOCK(elf) 101*0Sstevel@tonic-gate return (0); 102*0Sstevel@tonic-gate } 103*0Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 104*0Sstevel@tonic-gate s->sb_scn.s_elf = elf; 105*0Sstevel@tonic-gate elf->ed_hdscn = elf->ed_tlscn = &s->sb_scn; 106*0Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 107*0Sstevel@tonic-gate } 108*0Sstevel@tonic-gate if ((s = _elf64_snode()) == 0) { 109*0Sstevel@tonic-gate ELFUNLOCK(elf) 110*0Sstevel@tonic-gate return (0); 111*0Sstevel@tonic-gate } 112*0Sstevel@tonic-gate NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*s)) 113*0Sstevel@tonic-gate tl = elf->ed_tlscn; 114*0Sstevel@tonic-gate s->sb_scn.s_elf = elf; 115*0Sstevel@tonic-gate s->sb_scn.s_index = tl->s_index + 1; 116*0Sstevel@tonic-gate elf->ed_tlscn = tl->s_next = &s->sb_scn; 117*0Sstevel@tonic-gate ((Elf64_Ehdr *)elf->ed_ehdr)->e_shnum 118*0Sstevel@tonic-gate /* LINTED */ 119*0Sstevel@tonic-gate = (Elf64_Half)(tl->s_index + 2); 120*0Sstevel@tonic-gate s->sb_scn.s_uflags |= ELF_F_DIRTY; 121*0Sstevel@tonic-gate tl = &s->sb_scn; 122*0Sstevel@tonic-gate NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*s)) 123*0Sstevel@tonic-gate ELFUNLOCK(elf) 124*0Sstevel@tonic-gate return (tl); 125*0Sstevel@tonic-gate } else { 126*0Sstevel@tonic-gate _elf_seterr(EREQ_CLASS, 0); 127*0Sstevel@tonic-gate ELFUNLOCK(elf) 128*0Sstevel@tonic-gate return (0); 129*0Sstevel@tonic-gate } 130*0Sstevel@tonic-gate } 131