xref: /illumos-gate/usr/src/cmd/sgs/libld/common/ldmachdep.c (revision 2a8bcb4efb45d99ac41c94a75c396b362c414f7f)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * Most of the source files in libld.so are not allowed to
29  * include the machdep.h header, because it supplies machine
30  * values that are specific to the platform running the linker,
31  * instead of the target machine. This module is used to provide
32  * information about the currently running host to the rest
33  * of the linker code.
34  */
35 
36 #include	<stdio.h>
37 #include	<stdarg.h>
38 #include	<_libld.h>
39 #include	<machdep.h>
40 
41 /*
42  * Return an ELF machine code that reflects the currently executing
43  * linker. This information can be used in cross link situations to
44  * know which platform the linker was running on, and whether the linker
45  * itself was a 32 or 64-bit program.
46  */
47 Half
ld_sunw_ldmach(void)48 ld_sunw_ldmach(void)
49 {
50 #ifdef _LP64
51 	return (M_MACH_64);
52 #else
53 	return (M_MACH_32);
54 #endif
55 }
56