195 lines
4.6 KiB
Bash
Executable file
195 lines
4.6 KiB
Bash
Executable file
#!/bin/sh -u
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# Register protocol definitions for GDB, the GNU debugger.
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# Copyright 2001-2002, 2007-2012 Free Software Foundation, Inc.
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#
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# This file is part of GDB.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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move_if_change ()
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{
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file=$1
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if test -r ${file} && cmp -s "${file}" new-"${file}"
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then
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echo "${file} unchanged." 1>&2
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else
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mv new-"${file}" "${file}"
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echo "${file} updated." 1>&2
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fi
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}
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# Format of the input files
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read="type entry"
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do_read ()
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{
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type=""
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entry=""
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while read line
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do
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if test "${line}" = ""
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then
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continue
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elif test "${line}" = "#" -a "${comment}" = ""
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then
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continue
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elif expr "${line}" : "#" > /dev/null
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then
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comment="${comment}
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${line}"
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else
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# The semantics of IFS varies between different SH's. Some
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# treat ``::' as three fields while some treat it as just too.
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# Work around this by eliminating ``::'' ....
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line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
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OFS="${IFS}" ; IFS="[:]"
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eval read ${read} <<EOF
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${line}
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EOF
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IFS="${OFS}"
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# .... and then going back through each field and strip out those
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# that ended up with just that space character.
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for r in ${read}
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do
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if eval test \"\${${r}}\" = \"\ \"
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then
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eval ${r}=""
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fi
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done
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break
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fi
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done
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if [ -n "${type}" ]
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then
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true
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else
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false
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fi
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}
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if test ! -r $1; then
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echo "$0: Could not open $1." 1>&2
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exit 1
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fi
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copyright ()
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{
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cat <<EOF
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/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
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/* A register protocol for GDB, the GNU debugger.
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Copyright 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This file was created with the aid of \`\`regdat.sh'' and \`\`$1''. */
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EOF
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}
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exec > new-$2
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copyright $1
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echo '#include "server.h"'
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echo '#include "regdef.h"'
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echo
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offset=0
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i=0
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name=x
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xmltarget=x
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xmlarch=x
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xmlosabi=x
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expedite=x
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exec < $1
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while do_read
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do
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if test "${type}" = "name"; then
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name="${entry}"
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echo "struct reg regs_${name}[] = {"
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continue
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elif test "${type}" = "xmltarget"; then
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xmltarget="${entry}"
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continue
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elif test "${type}" = "xmlarch"; then
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xmlarch="${entry}"
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continue
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elif test "${type}" = "osabi"; then
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xmlosabi="${entry}"
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continue
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elif test "${type}" = "expedite"; then
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expedite="${entry}"
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continue
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elif test "${name}" = x; then
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echo "$0: $1 does not specify \`\`name''." 1>&2
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exit 1
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else
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echo " { \"${entry}\", ${offset}, ${type} },"
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offset=`expr ${offset} + ${type}`
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i=`expr $i + 1`
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fi
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done
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echo "};"
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echo
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echo "const char *expedite_regs_${name}[] = { \"`echo ${expedite} | sed 's/,/", "/g'`\", 0 };"
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if test "${xmltarget}" = x; then
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if test "${xmlarch}" = x && test "${xmlosabi}" = x; then
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echo "const char *xmltarget_${name} = 0;"
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else
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echo "const char *xmltarget_${name} = \"@<target>\\"
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if test "${xmlarch}" != x; then
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echo "<architecture>${xmlarch}</architecture>\\"
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fi
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if test "${xmlosabi}" != x; then
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echo "<osabi>${xmlosabi}</osabi>\\"
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fi
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echo "</target>\";"
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fi
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else
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echo "const char *xmltarget_${name} = \"${xmltarget}\";"
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fi
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echo
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cat <<EOF
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void
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init_registers_${name} ()
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{
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set_register_cache (regs_${name},
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sizeof (regs_${name}) / sizeof (regs_${name}[0]));
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gdbserver_expedite_regs = expedite_regs_${name};
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gdbserver_xmltarget = xmltarget_${name};
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}
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EOF
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# close things off
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exec 1>&2
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move_if_change $2
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