usr/src/cmd/sgs/rtld/sparcv9/caller.s

   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 2004 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Return the pc of the calling routine.
  27  */
  28 #pragma ident   "%Z%%M% %I%     %E% SMI"
  29
  30 #if     defined(lint)
  31
  32 #include        <sys/types.h>
  33
  34 caddr_t
  35 caller()
  36 {
  37         return (0);
  38 }
  39
  40 /* ARGSUSED */
  41 void
  42 set_sparc_g1(ulong_t val)
  43 {
  44         return;
  45 }
  46
  47 /* ARGSUSED */
  48 void
  49 set_sparc_g2(ulong_t val)
  50 {
  51         return;
  52 }
  53
  54 /* ARGSUSED */
  55 void
  56 set_sparc_g3(ulong_t val)
  57 {
  58         return;
  59 }
  60
  61 /* ARGSUSED */
  62 void
  63 set_sparc_g4(ulong_t val)
  64 {
  65         return;
  66 }
  67
  68 /* ARGSUSED */
  69 void
  70 set_sparc_g5(ulong_t val)
  71 {
  72         return;
  73 }
  74
  75 /* ARGSUSED */
  76 void
  77 set_sparc_g6(ulong_t val)
  78 {
  79         return;
  80 }
  81
  82 /* ARGSUSED */
  83 void
  84 set_sparc_g7(ulong_t val)
  85 {
  86         return;
  87 }
  88
  89 #else
  90
  91 #include        <sys/asm_linkage.h>
  92
  93         .file   "caller.s"
  94
  95         ENTRY(caller)
  96         retl
  97         mov     %i7, %o0
  98         SET_SIZE(caller)
  99
 100         ENTRY(set_sparc_g1)
 101         retl
 102         mov     %o0, %g1
 103         SET_SIZE(set_sparc_g1)
 104
 105         ENTRY(set_sparc_g2)
 106         retl
 107         mov     %o0, %g2
 108         SET_SIZE(set_sparc_g2)
 109
 110         ENTRY(set_sparc_g3)
 111         retl
 112         mov     %o0, %g3
 113         SET_SIZE(set_sparc_g3)
 114
 115         ENTRY(set_sparc_g4)
 116         retl
 117         mov     %o0, %g4
 118         SET_SIZE(set_sparc_g4)
 119
 120         ENTRY(set_sparc_g5)
 121         retl
 122         mov     %o0, %g5
 123         SET_SIZE(set_sparc_g5)
 124
 125         ENTRY(set_sparc_g6)
 126         retl
 127         mov     %o0, %g6
 128         SET_SIZE(set_sparc_g6)
 129
 130         ENTRY(set_sparc_g7)
 131         retl
 132         mov     %o0, %g7
 133         SET_SIZE(set_sparc_g7)
 134 #endif