1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 /* 26 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 27 * Use is subject to license terms. 28 */ 29 30 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.3 */ 31 32 33 #include "syn.h" 34 #include <libelf.h> 35 #include "decl.h" 36 37 38 /* 39 * Global data 40 * _elf_byte Fill byte for file padding. See elf_fill(). 41 * _elf32_ehdr_init Clean copy for to initialize new headers. 42 * _elf64_ehdr_init Clean copy for to initialize new class-64 headers. 43 * _elf_encode Host/internal data encoding. If the host has 44 * an encoding that matches one known for the 45 * ELF format, this changes. An machine with an 46 * unknown encoding keeps ELFDATANONE and forces 47 * conversion for host/target translation. 48 * _elf_work Working version given to the lib by application. 49 * See elf_version(). 50 * _elf_globals_mutex mutex to protect access to all global data items. 51 */ 52 53 /* 54 * __libc_threaded is a private symbol exported from libc in Solaris 10. 55 * It is used to tell if we are running in a threaded world or not. 56 * Between Solaris 2.5 and Solaris 9, this was named __threaded. 57 * The name had to be changed because the Sun Workshop 6 update 1 58 * compilation system used it to mean "we are linked with libthread" 59 * rather than its true meaning in Solaris 10, "more than one thread exists". 60 */ 61 #pragma weak __libc_threaded 62 extern int __libc_threaded; 63 64 int _elf_byte = 0; 65 const Elf32_Ehdr _elf32_ehdr_init = { 0 }; 66 const Elf64_Ehdr _elf64_ehdr_init = { 0 }; 67 unsigned _elf_encode = ELFDATANONE; 68 const Snode32 _elf32_snode_init = { 0 }; 69 const Snode64 _elf64_snode_init = { 0 }; 70 const Dnode _elf_dnode_init = { 0 }; 71 unsigned _elf_work = EV_NONE; 72 mutex_t _elf_globals_mutex = DEFAULTMUTEX; 73 74 int *_elf_libc_threaded = &__libc_threaded; 75