old-cross-binutils/gdb/regformats/regdat.sh
2008-01-01 22:53:26 +00:00

168 lines
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Executable file

#!/bin/sh -u
# Register protocol definitions for GDB, the GNU debugger.
# Copyright 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
move_if_change ()
{
file=$1
if test -r ${file} && cmp -s "${file}" new-"${file}"
then
echo "${file} unchanged." 1>&2
else
mv new-"${file}" "${file}"
echo "${file} updated." 1>&2
fi
}
# Format of the input files
read="type entry"
do_read ()
{
type=""
entry=""
while read line
do
if test "${line}" = ""
then
continue
elif test "${line}" = "#" -a "${comment}" = ""
then
continue
elif expr "${line}" : "#" > /dev/null
then
comment="${comment}
${line}"
else
# The semantics of IFS varies between different SH's. Some
# treat ``::' as three fields while some treat it as just too.
# Work around this by eliminating ``::'' ....
line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
OFS="${IFS}" ; IFS="[:]"
eval read ${read} <<EOF
${line}
EOF
IFS="${OFS}"
# .... and then going back through each field and strip out those
# that ended up with just that space character.
for r in ${read}
do
if eval test \"\${${r}}\" = \"\ \"
then
eval ${r}=""
fi
done
break
fi
done
if [ -n "${type}" ]
then
true
else
false
fi
}
if test ! -r $1; then
echo "$0: Could not open $1." 1>&2
exit 1
fi
copyright ()
{
cat <<EOF
/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
/* A register protocol for GDB, the GNU debugger.
Copyright 2001, 2002 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* This file was created with the aid of \`\`regdat.sh'' and \`\`$1''. */
EOF
}
exec > new-$2
copyright $1
echo '#include "regdef.h"'
echo '#include "regcache.h"'
echo
offset=0
i=0
name=x
expedite=x
exec < $1
while do_read
do
if test "${type}" = "name"; then
name="${entry}"
echo "struct reg regs_${name}[] = {"
continue
elif test "${type}" = "expedite"; then
expedite="${entry}"
continue
elif test "${name}" = x; then
echo "$0: $1 does not specify \`\`name''." 1>&2
exit 1
else
echo " { \"${entry}\", ${offset}, ${type} },"
offset=`expr ${offset} + ${type}`
i=`expr $i + 1`
fi
done
echo "};"
echo
echo "const char *expedite_regs_${name}[] = { \"`echo ${expedite} | sed 's/,/", "/g'`\", 0 };"
echo
cat <<EOF
void
init_registers ()
{
set_register_cache (regs_${name},
sizeof (regs_${name}) / sizeof (regs_${name}[0]));
gdbserver_expedite_regs = expedite_regs_${name};
}
EOF
# close things off
exec 1>&2
move_if_change $2