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      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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include "_rtld.h"
     30 
     31 
     32 /*
     33  * Note: for initialization of librtld_db - it's required that
     34  * the r_debug & rtlddb_priv structures be the *only data item*
     35  * in the .data section, this is the only way we can gain
     36  * full control over where it is placed.  This section is in turn
     37  * placed at the beginning of ld.so.1's data segment (which
     38  * AT_SUN_LDDATA points to :)).
     39  */
     40 
     41 /*
     42  * Private structure for passing of information between librltd_db
     43  * and rtld.
     44  *
     45  * Note:  Any data that's being 'exported' to librtld_db must not
     46  *	  require any 'relocations' before it can be examined.  That's
     47  *	  because librtld_db will examine this structure before rtld has
     48  *	  started to execute (and before it's relocated itself).  So - all
     49  *	  data in this structure must be available at that point.
     50  */
     51 struct rtld_db_priv r_debug = {
     52 	{
     53 		R_DEBUG_VERSION,			/* version no. */
     54 		0,					/* r_map */
     55 		(unsigned long)rtld_db_dlactivity,	/* r_brk */
     56 		RT_CONSISTENT,				/* r_state */
     57 		0,					/* r_ldbase */
     58 		0,					/* r_ldsomap */
     59 		RD_NONE,				/* r_rdevent */
     60 		RD_FL_NONE				/* r_flags */
     61 	},
     62 	R_RTLDDB_VERSION,		/* rtd_version */
     63 	0,				/* rtd_objpad */
     64 	0				/* rtd_dynlmlst */
     65 };
     66