usr/src/cmd/sgs/libconv/common/bld_vernote.ksh

   1 #! /usr/bin/ksh
   2 #
   3 # CDDL HEADER START
   4 #
   5 # The contents of this file are subject to the terms of the
   6 # Common Development and Distribution License (the "License").
   7 # You may not use this file except in compliance 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 #
  24 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  25 # Use is subject to license terms.
  26 #
  27
  28 usage()
  29 {
  30         echo "usage: bld_vernote -R <revision> -r <release> -o <outfile.s>"
  31 }
  32
  33 pad_notestring()
  34 {
  35         extra=$1
  36         len=$(( ${#notestring} + $extra ))
  37         padlen=$(( $len % 4 ))
  38         while [[ $(( $len % 4)) != 0 ]]
  39         do
  40                 notestring="${notestring}\0"
  41                 len=$(( $len + 1 ))
  42         done
  43 }
  44
  45
  46 build_sparcnote()
  47 {
  48         notestring="Solaris Link Editors: $release-$revision (illumos)\0"
  49         #
  50         # The 'adjustment' is for the '\0'
  51         #
  52         pad_notestring -1
  53
  54 cat > $notefile <<EOF
  55         .section        ".note"
  56
  57 #include <sgs.h>
  58
  59         .align  4
  60         .word   .endname - .startname   /* note name size */
  61         .word   0                       /* note desc size */
  62         .word   0                       /* note type */
  63 .startname:
  64         .ascii  "$notestring"
  65 .endname:
  66
  67         .section        ".rodata", #alloc
  68         .global         link_ver_string
  69 link_ver_string:
  70         .type           link_ver_string, #object
  71         .ascii  "${release}-${revision} (illumos)\0"
  72         .size   link_ver_string, .-link_ver_string
  73 EOF
  74 }
  75
  76 build_i386note()
  77 {
  78         notestring="Solaris Link Editors: $release-$revision (illumos)"
  79         #
  80         # The 'adjustment' is for the the fact that the x86/amd64
  81         # assembler automatically append a '\0' at the end of a string.
  82         #
  83         pad_notestring -1
  84 cat > $notefile <<EOF
  85         .section        .note
  86
  87 #include <sgs.h>
  88
  89         .align  4
  90         .long   .endname - .startname   /* note name size */
  91         .long   0                       /* note desc size */
  92         .long   0                       /* note type */
  93 .startname:
  94         .string "$notestring"
  95 .endname:
  96
  97         .section        .rodata, "a"
  98         .globl          link_ver_string
  99 link_ver_string:
 100         .type   link_ver_string,@object
 101         .string "${release}-${revision} (illumos)\0"
 102         .size   link_ver_string, .-link_ver_string
 103 EOF
 104 }
 105
 106
 107 notefile=""
 108 release=""
 109 revision=""
 110
 111 while getopts R:o:r: c
 112 do
 113         case $c in
 114         o)
 115                 notefile=$OPTARG
 116                 ;;
 117         r)
 118                 release=$OPTARG
 119                 ;;
 120         R)
 121                 revision=$OPTARG
 122                 ;;
 123         \?)
 124                 usage
 125                 exit 1
 126                 ;;
 127         esac
 128 done
 129
 130 if [[ ( -z $notefile ) || ( -z $release ) || ( -z $revision ) ]]; then
 131         usage
 132         exit 1
 133 fi
 134
 135
 136 if [[ $MACH = "sparc" ]]; then
 137         build_sparcnote
 138 elif [[ $MACH = "i386" ]]; then
 139         build_i386note
 140 else
 141         echo "I don't know how to build a vernote.s for ${MACH}, so sorry"
 142         exit 1
 143 fi