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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright (c) 1995 by Sun Microsystems, Inc. 28 * All rights reserved. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.2 */ 32 33 34 35 /* 36 * Member handling 37 * Archive members have an ASCII header. A Member structure 38 * holds internal information. Because the ASCII file header 39 * may be clobbered, Member holds a private, safe copy. 40 * The ar_name member of m_hdr points at m_name except for string 41 * table names. Ar_rawname in m_hdr always points at m_raw. 42 * 43 * m_raw The original ar_name with null termination. 44 * E.g., "name/ " 45 * 46 * m_name The processed name, with '/' terminator changed to '\0'. 47 * Unused for string table names. E.g., "name\0 " 48 * 49 * To improve performance of member lookup we allocate lists which 50 * contain MEMIDENTNO members: 51 * 52 * ed_memlist --> --------------------- 53 * | m_next | 54 * | m_end | 55 * | m_free | 56 * |---------------------| 57 * | m_offset | m_member | 58 * | m_offset | m_member | 59 * | " | " | 60 * --------------------- 61 */ 62 63 64 #define ARSZ(m) (sizeof ((struct ar_hdr *)0)->m) 65 66 #define MEMIDENTNO 126 67 68 struct Member 69 { 70 Elf_Arhdr m_hdr; 71 int m_err; 72 long m_slide; 73 char m_raw[ARSZ(ar_name)+1]; 74 char m_name[ARSZ(ar_name)+1]; 75 }; 76 77 struct Memident 78 { 79 char * m_offset; 80 struct Member * m_member; 81 }; 82 83 struct Memlist 84 { 85 struct Memlist * m_next; 86 struct Memident * m_end; 87 struct Memident * m_free; 88 }; 89