gdb/regformats/regdat.sh

   1 #!/bin/sh -u
   2
   3 # Register protocol definitions for GDB, the GNU debugger.
   4 # Copyright (C) 2001-2015 Free Software Foundation, Inc.
   5 #
   6 # This file is part of GDB.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 3 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 # Format of the input files
  22 read="type entry"
  23
  24 do_read ()
  25 {
  26     type=""
  27     entry=""
  28     while read line
  29     do
  30         if test "${line}" = ""
  31         then
  32             continue
  33         elif test "${line}" = "#" -a "${comment}" = ""
  34         then
  35             continue
  36         elif expr "${line}" : "#" > /dev/null
  37         then
  38             comment="${comment}
  39 ${line}"
  40         else
  41
  42             # The semantics of IFS varies between different SH's.  Some
  43             # treat ``::' as three fields while some treat it as just too.
  44             # Work around this by eliminating ``::'' ....
  45             line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
  46
  47             OFS="${IFS}" ; IFS="[:]"
  48             eval read ${read} <<EOF
  49 ${line}
  50 EOF
  51             IFS="${OFS}"
  52
  53             # .... and then going back through each field and strip out those
  54             # that ended up with just that space character.
  55             for r in ${read}
  56             do
  57                 if eval test \"\${${r}}\" = \"\ \"
  58                 then
  59                     eval ${r}=""
  60                 fi
  61             done
  62
  63             break
  64         fi
  65     done
  66     if [ -n "${type}" ]
  67     then
  68         true
  69     else
  70         false
  71     fi
  72 }
  73
  74 if test ! -r $1; then
  75   echo "$0: Could not open $1." 1>&2
  76   exit 1
  77 fi
  78
  79 copyright ()
  80 {
  81 cat <<EOF
  82 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
  83
  84 /* A register protocol for GDB, the GNU debugger.
  85    Copyright (C) 2001-2013 Free Software Foundation, Inc.
  86
  87    This file is part of GDB.
  88
  89    This program is free software; you can redistribute it and/or modify
  90    it under the terms of the GNU General Public License as published by
  91    the Free Software Foundation; either version 3 of the License, or
  92    (at your option) any later version.
  93
  94    This program is distributed in the hope that it will be useful,
  95    but WITHOUT ANY WARRANTY; without even the implied warranty of
  96    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  97    GNU General Public License for more details.
  98
  99    You should have received a copy of the GNU General Public License
 100    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 101
 102 /* This file was created with the aid of \`\`regdat.sh'' and \`\`$1''.  */
 103
 104 EOF
 105 }
 106
 107
 108 exec > new-$2
 109 copyright $1
 110 echo '#include "server.h"'
 111 echo '#include "regdef.h"'
 112 echo '#include "tdesc.h"'
 113 echo
 114 offset=0
 115 i=0
 116 name=x
 117 xmltarget=x
 118 xmlarch=x
 119 xmlosabi=x
 120 expedite=x
 121 exec < $1
 122 while do_read
 123 do
 124   if test "${type}" = "name"; then
 125     name="${entry}"
 126     echo "static struct reg regs_${name}[] = {"
 127     continue
 128   elif test "${type}" = "xmltarget"; then
 129     xmltarget="${entry}"
 130     continue
 131   elif test "${type}" = "xmlarch"; then
 132     xmlarch="${entry}"
 133     continue
 134   elif test "${type}" = "osabi"; then
 135     xmlosabi="${entry}"
 136     continue
 137   elif test "${type}" = "expedite"; then
 138     expedite="${entry}"
 139     continue
 140   elif test "${name}" = x; then
 141     echo "$0: $1 does not specify \`\`name''." 1>&2
 142     exit 1
 143   else
 144     echo "  { \"${entry}\", ${offset}, ${type} },"
 145     offset=`expr ${offset} + ${type}`
 146     i=`expr $i + 1`
 147   fi
 148 done
 149
 150 echo "};"
 151 echo
 152 echo "static const char *expedite_regs_${name}[] = { \"`echo ${expedite} | sed 's/,/", "/g'`\", 0 };"
 153 if test "${xmltarget}" = x; then
 154   if test "${xmlarch}" = x && test "${xmlosabi}" = x; then
 155     echo "static const char *xmltarget_${name} = 0;"
 156   else
 157     echo "static const char *xmltarget_${name} = \"@<target>\\"
 158     if test "${xmlarch}" != x; then
 159       echo "<architecture>${xmlarch}</architecture>\\"
 160     fi
 161     if test "${xmlosabi}" != x; then
 162       echo "<osabi>${xmlosabi}</osabi>\\"
 163     fi
 164     echo "</target>\";"
 165   fi
 166 else
 167   echo "static const char *xmltarget_${name} = \"${xmltarget}\";"
 168 fi
 169 echo
 170
 171 cat <<EOF
 172 const struct target_desc *tdesc_${name};
 173
 174 void
 175 init_registers_${name} (void)
 176 {
 177   static struct target_desc tdesc_${name}_s;
 178   struct target_desc *result = &tdesc_${name}_s;
 179
 180   result->reg_defs = regs_${name};
 181   result->num_registers = sizeof (regs_${name}) / sizeof (regs_${name}[0]);
 182   result->expedite_regs = expedite_regs_${name};
 183   result->xmltarget = xmltarget_${name};
 184
 185   init_target_desc (result);
 186
 187   tdesc_${name} = result;
 188 }
 189 EOF
 190
 191 # close things off
 192 exec 1>&2
 193 mv -- "new-$2" "$2"