gdb/regformats/regdat.sh

   1 #!/bin/sh -u
   2
   3 # Register protocol definitions for GDB, the GNU debugger.
   4 # Copyright (C) 2001-2021 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 feature=x
 122 exec < $1
 123 while do_read
 124 do
 125   if test "${type}" = "name"; then
 126     name="${entry}"
 127
 128     echo "const struct target_desc *tdesc_${name};"
 129     echo ""
 130
 131     # This is necessary for -Wmissing-declarations.
 132     echo "void init_registers_${name} (void);"
 133
 134     echo "void"
 135     echo "init_registers_${name} (void)"
 136     echo "{"
 137     echo "  static struct target_desc tdesc_${name}_s;"
 138     echo "  struct target_desc *result = &tdesc_${name}_s;"
 139     echo "  struct tdesc_feature *feature = tdesc_create_feature (result, \"${name}\");"
 140     continue
 141   elif test "${type}" = "xmltarget"; then
 142     xmltarget="${entry}"
 143     continue
 144   elif test "${type}" = "xmlarch"; then
 145     xmlarch="${entry}"
 146     continue
 147   elif test "${type}" = "osabi"; then
 148     xmlosabi="${entry}"
 149     continue
 150   elif test "${type}" = "expedite"; then
 151     expedite="${entry}"
 152     continue
 153   elif test "${type}" = "feature"; then
 154     feature="${entry}"
 155     continue
 156   elif test "${name}" = x; then
 157     echo "$0: $1 does not specify \`\`name''." 1>&2
 158     exit 1
 159   else
 160     echo "  tdesc_create_reg (feature, \"${entry}\","
 161     echo "  0, 0, NULL, ${type}, NULL);"
 162
 163     offset=`expr ${offset} + ${type}`
 164     i=`expr $i + 1`
 165   fi
 166 done
 167
 168 echo
 169 echo "static const char *expedite_regs_${name}[] = { \"`echo ${expedite} | sed 's/,/", "/g'`\", 0 };"
 170
 171 echo "#ifndef IN_PROCESS_AGENT"
 172 if test "${feature}" != x; then
 173   echo "static const char *xmltarget_${name} = 0;"
 174 elif test "${xmltarget}" = x; then
 175   if test "${xmlarch}" = x && test "${xmlosabi}" = x; then
 176     echo "static const char *xmltarget_${name} = 0;"
 177   else
 178     echo "static const char *xmltarget_${name} = \"@<target>\\"
 179     if test "${xmlarch}" != x; then
 180       echo "<architecture>${xmlarch}</architecture>\\"
 181     fi
 182     if test "${xmlosabi}" != x; then
 183       echo "<osabi>${xmlosabi}</osabi>\\"
 184     fi
 185     echo "</target>\";"
 186   fi
 187 else
 188   echo "static const char *xmltarget_${name} = \"${xmltarget}\";"
 189 fi
 190 echo
 191
 192 cat <<EOF
 193   result->xmltarget = xmltarget_${name};
 194 #endif
 195
 196   init_target_desc (result, expedite_regs_${name});
 197
 198   tdesc_${name} = result;
 199 }
 200 EOF
 201
 202 # close things off
 203 exec 1>&2
 204 mv -- "new-$2" "$2"