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 /* 23 * Copyright (c) 2001 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #include "_rtld.h" 28 29 30 /* 31 * Note: for initialization of librtld_db - it's required that 32 * the r_debug & rtlddb_priv structures be the *only data item* 33 * in the .data section, this is the only way we can gain 34 * full control over where it is placed. This section is in turn 35 * placed at the beginning of ld.so.1's data segment (which 36 * AT_SUN_LDDATA points to :)). 37 */ 38 39 /* 40 * Private structure for passing of information between librltd_db 41 * and rtld. 42 * 43 * Note: Any data that's being 'exported' to librtld_db must not 44 * require any 'relocations' before it can be examined. That's 45 * because librtld_db will examine this structure before rtld has 46 * started to execute (and before it's relocated itself). So - all 47 * data in this structure must be available at that point. 48 */ 49 struct rtld_db_priv r_debug = { 50 { 51 R_DEBUG_VERSION, /* version no. */ 52 0, /* r_map */ 53 (unsigned long)rtld_db_dlactivity, /* r_brk */ 54 RT_CONSISTENT, /* r_state */ 55 0, /* r_ldbase */ 56 0, /* r_ldsomap */ 57 RD_NONE, /* r_rdevent */ 58 RD_FL_NONE /* r_flags */ 59 }, 60 R_RTLDDB_VERSION, /* rtd_version */ 61 0, /* rtd_objpad */ 62 0 /* rtd_dynlmlst */ 63 }; 64