debugdata.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include "_rtld.h"
/*
* Note: for initialization of librtld_db - it's required that
* the r_debug & rtlddb_priv structures be the *only data item*
* in the .data section, this is the only way we can gain
* full control over where it is placed. This section is in turn
* placed at the beginning of ld.so.1's data segment (which
* AT_SUN_LDDATA points to :)).
*/
/*
* Private structure for passing of information between librltd_db
* and rtld.
*
* Note: Any data that's being 'exported' to librtld_db must not
* require any 'relocations' before it can be examined. That's
* because librtld_db will examine this structure before rtld has
* started to execute (and before it's relocated itself). So - all
* data in this structure must be available at that point.
*/
struct rtld_db_priv r_debug = {
{
R_DEBUG_VERSION, /* version no. */
0, /* r_map */
(unsigned long)rtld_db_dlactivity, /* r_brk */
RT_CONSISTENT, /* r_state */
0, /* r_ldbase */
0, /* r_ldsomap */
RD_NONE, /* r_rdevent */
RD_FL_NONE /* r_flags */
},
R_RTLDDB_VERSION, /* rtd_version */
0, /* rtd_objpad */
0 /* rtd_dynlmlst */
};