usr/src/cmd/sgs/libld/common/ldmachdep.c

   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 #pragma ident   "%Z%%M% %I%     %E% SMI"
  27
  28 /*
  29  * Most of the source files in libld.so are not allowed to
  30  * include the machdep.h header, because it supplies machine
  31  * values that are specific to the platform running the linker,
  32  * instead of the target machine. This module is used to provide
  33  * information about the currently running host to the rest
  34  * of the linker code.
  35  */
  36
  37 #include        <stdio.h>
  38 #include        <stdarg.h>
  39 #include        <_libld.h>
  40 #include        <machdep.h>
  41
  42 /*
  43  * Return an ELF machine code that reflects the currently executing
  44  * linker. This information can be used in cross link situations to
  45  * know which platform the linker was running on, and whether the linker
  46  * itself was a 32 or 64-bit program.
  47  */
  48 Half
  49 ld_sunw_ldmach(void)
  50 {
  51 #ifdef _LP64
  52         return (M_MACH_64);
  53 #else
  54         return (M_MACH_32);
  55 #endif
  56 }