xref: /illumos-gate/usr/src/cmd/sgs/libld/common/debug.c (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  *	Copyright (c) 1999 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate  *	All rights reserved.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
27*7c478bd9Sstevel@tonic-gate 
28*7c478bd9Sstevel@tonic-gate #include	<stdio.h>
29*7c478bd9Sstevel@tonic-gate #include	<dlfcn.h>
30*7c478bd9Sstevel@tonic-gate #include	"debug.h"
31*7c478bd9Sstevel@tonic-gate #include	"_libld.h"
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate /*
34*7c478bd9Sstevel@tonic-gate  * It's possible that dbg_setup may be called more than once.
35*7c478bd9Sstevel@tonic-gate  */
36*7c478bd9Sstevel@tonic-gate static int	dbg_init = 0;
37*7c478bd9Sstevel@tonic-gate 
38*7c478bd9Sstevel@tonic-gate int
39*7c478bd9Sstevel@tonic-gate dbg_setup(const char * options)
40*7c478bd9Sstevel@tonic-gate {
41*7c478bd9Sstevel@tonic-gate 	if (dbg_init)
42*7c478bd9Sstevel@tonic-gate 		return (0);
43*7c478bd9Sstevel@tonic-gate 
44*7c478bd9Sstevel@tonic-gate 	/*
45*7c478bd9Sstevel@tonic-gate 	 * Call the debugging setup routine to initialize the mask and
46*7c478bd9Sstevel@tonic-gate 	 * debug function array.
47*7c478bd9Sstevel@tonic-gate 	 */
48*7c478bd9Sstevel@tonic-gate 	return (Dbg_setup(options));
49*7c478bd9Sstevel@tonic-gate }
50