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 /* 23 * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 #include <libelf.h> 31 #include "decl.h" 32 33 /* 34 * Global data 35 * _elf_byte Fill byte for file padding. See elf_fill(). 36 * _elf32_ehdr_init Clean copy for to initialize new headers. 37 * _elf64_ehdr_init Clean copy for to initialize new class-64 headers. 38 * _elf_encode Host/internal data encoding. If the host has 39 * an encoding that matches one known for the 40 * ELF format, this changes. An machine with an 41 * unknown encoding keeps ELFDATANONE and forces 42 * conversion for host/target translation. 43 * _elf_work Working version given to the lib by application. 44 * See elf_version(). 45 * _elf_globals_mutex mutex to protect access to all global data items. 46 * _elf_execfill_func Fill function for file padding of SHF_EXECINSTR 47 * sections. See _elf_execfill(). 48 */ 49 50 /* 51 * __libc_threaded is a private symbol exported from libc in Solaris 10. 52 * It is used to tell if we are running in a threaded world or not. 53 * Between Solaris 2.5 and Solaris 9, this was named __threaded. 54 * The name had to be changed because the Sun Workshop 6 update 1 55 * compilation system used it to mean "we are linked with libthread" 56 * rather than its true meaning in Solaris 10, "more than one thread exists". 57 */ 58 #pragma weak __libc_threaded 59 extern int __libc_threaded; 60 61 int _elf_byte = 0; 62 const Elf32_Ehdr _elf32_ehdr_init = { 0 }; 63 const Elf64_Ehdr _elf64_ehdr_init = { 0 }; 64 unsigned _elf_encode = ELFDATANONE; 65 _elf_execfill_func_t *_elf_execfill_func = NULL; 66 const Snode32 _elf32_snode_init = { 0 }; 67 const Snode64 _elf64_snode_init = { 0 }; 68 const Dnode _elf_dnode_init = { 0 }; 69 unsigned _elf_work = EV_NONE; 70 mutex_t _elf_globals_mutex = DEFAULTMUTEX; 71 72 int *_elf_libc_threaded = &__libc_threaded; 73