mirror of
https://sourceware.org/git/binutils-gdb.git
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86ba104287
gdb/
* gdbarch.sh (function_list): Use 'pstring' when printing
'gcore_bfd_target'.
* gdbarch.c: Regenerate.
2172 lines
72 KiB
Bash
Executable File
2172 lines
72 KiB
Bash
Executable File
#!/bin/sh -u
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# Architecture commands for GDB, the GNU debugger.
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#
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# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
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# 2008, 2009, 2010, 2011 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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# Make certain that the script is not running in an internationalized
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# environment.
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LANG=C ; export LANG
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LC_ALL=C ; export LC_ALL
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compare_new ()
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{
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file=$1
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if test ! -r ${file}
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then
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echo "${file} missing? cp new-${file} ${file}" 1>&2
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elif diff -u ${file} new-${file}
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then
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echo "${file} unchanged" 1>&2
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else
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echo "${file} has changed? cp new-${file} ${file}" 1>&2
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fi
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}
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# Format of the input table
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read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol"
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do_read ()
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{
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comment=""
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class=""
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while read line
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do
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if test "${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="${OFS}"
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if test -n "${garbage_at_eol}"
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then
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echo "Garbage at end-of-line in ${line}" 1>&2
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kill $$
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exit 1
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fi
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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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case "${class}" in
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m ) staticdefault="${predefault}" ;;
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M ) staticdefault="0" ;;
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* ) test "${staticdefault}" || staticdefault=0 ;;
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esac
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case "${class}" in
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F | V | M )
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case "${invalid_p}" in
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"" )
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if test -n "${predefault}"
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then
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#invalid_p="gdbarch->${function} == ${predefault}"
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predicate="gdbarch->${function} != ${predefault}"
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elif class_is_variable_p
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then
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predicate="gdbarch->${function} != 0"
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elif class_is_function_p
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then
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predicate="gdbarch->${function} != NULL"
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fi
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;;
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* )
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echo "Predicate function ${function} with invalid_p." 1>&2
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kill $$
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exit 1
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;;
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esac
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esac
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# PREDEFAULT is a valid fallback definition of MEMBER when
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# multi-arch is not enabled. This ensures that the
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# default value, when multi-arch is the same as the
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# default value when not multi-arch. POSTDEFAULT is
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# always a valid definition of MEMBER as this again
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# ensures consistency.
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if [ -n "${postdefault}" ]
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then
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fallbackdefault="${postdefault}"
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elif [ -n "${predefault}" ]
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then
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fallbackdefault="${predefault}"
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else
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fallbackdefault="0"
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fi
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#NOT YET: See gdbarch.log for basic verification of
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# database
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break
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fi
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done
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if [ -n "${class}" ]
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then
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true
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else
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false
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fi
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}
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fallback_default_p ()
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{
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[ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
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|| [ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
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}
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class_is_variable_p ()
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{
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case "${class}" in
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*v* | *V* ) true ;;
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* ) false ;;
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esac
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}
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class_is_function_p ()
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{
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case "${class}" in
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*f* | *F* | *m* | *M* ) true ;;
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* ) false ;;
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esac
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}
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class_is_multiarch_p ()
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{
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case "${class}" in
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*m* | *M* ) true ;;
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* ) false ;;
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esac
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}
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class_is_predicate_p ()
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{
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case "${class}" in
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*F* | *V* | *M* ) true ;;
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* ) false ;;
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esac
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}
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class_is_info_p ()
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{
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case "${class}" in
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*i* ) true ;;
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* ) false ;;
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esac
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}
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# dump out/verify the doco
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for field in ${read}
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do
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case ${field} in
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class ) : ;;
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# # -> line disable
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# f -> function
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# hiding a function
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# F -> function + predicate
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# hiding a function + predicate to test function validity
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# v -> variable
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# hiding a variable
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# V -> variable + predicate
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# hiding a variable + predicate to test variables validity
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# i -> set from info
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# hiding something from the ``struct info'' object
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# m -> multi-arch function
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# hiding a multi-arch function (parameterised with the architecture)
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# M -> multi-arch function + predicate
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# hiding a multi-arch function + predicate to test function validity
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returntype ) : ;;
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# For functions, the return type; for variables, the data type
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function ) : ;;
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# For functions, the member function name; for variables, the
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# variable name. Member function names are always prefixed with
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# ``gdbarch_'' for name-space purity.
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formal ) : ;;
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# The formal argument list. It is assumed that the formal
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# argument list includes the actual name of each list element.
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# A function with no arguments shall have ``void'' as the
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# formal argument list.
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actual ) : ;;
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# The list of actual arguments. The arguments specified shall
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# match the FORMAL list given above. Functions with out
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# arguments leave this blank.
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staticdefault ) : ;;
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# To help with the GDB startup a static gdbarch object is
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# created. STATICDEFAULT is the value to insert into that
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# static gdbarch object. Since this a static object only
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# simple expressions can be used.
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# If STATICDEFAULT is empty, zero is used.
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predefault ) : ;;
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# An initial value to assign to MEMBER of the freshly
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# malloc()ed gdbarch object. After initialization, the
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# freshly malloc()ed object is passed to the target
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# architecture code for further updates.
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# If PREDEFAULT is empty, zero is used.
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# A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
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# INVALID_P are specified, PREDEFAULT will be used as the
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# default for the non- multi-arch target.
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# A zero PREDEFAULT function will force the fallback to call
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# internal_error().
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# Variable declarations can refer to ``gdbarch'' which will
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# contain the current architecture. Care should be taken.
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postdefault ) : ;;
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# A value to assign to MEMBER of the new gdbarch object should
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# the target architecture code fail to change the PREDEFAULT
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# value.
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# If POSTDEFAULT is empty, no post update is performed.
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# If both INVALID_P and POSTDEFAULT are non-empty then
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# INVALID_P will be used to determine if MEMBER should be
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# changed to POSTDEFAULT.
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# If a non-empty POSTDEFAULT and a zero INVALID_P are
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# specified, POSTDEFAULT will be used as the default for the
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# non- multi-arch target (regardless of the value of
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# PREDEFAULT).
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# You cannot specify both a zero INVALID_P and a POSTDEFAULT.
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# Variable declarations can refer to ``gdbarch'' which
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# will contain the current architecture. Care should be
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# taken.
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invalid_p ) : ;;
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# A predicate equation that validates MEMBER. Non-zero is
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# returned if the code creating the new architecture failed to
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# initialize MEMBER or the initialized the member is invalid.
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# If POSTDEFAULT is non-empty then MEMBER will be updated to
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# that value. If POSTDEFAULT is empty then internal_error()
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# is called.
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# If INVALID_P is empty, a check that MEMBER is no longer
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# equal to PREDEFAULT is used.
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# The expression ``0'' disables the INVALID_P check making
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# PREDEFAULT a legitimate value.
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# See also PREDEFAULT and POSTDEFAULT.
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print ) : ;;
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# An optional expression that convers MEMBER to a value
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# suitable for formatting using %s.
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# If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR)
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# or plongest (anything else) is used.
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garbage_at_eol ) : ;;
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# Catches stray fields.
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*)
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echo "Bad field ${field}"
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exit 1;;
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esac
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done
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function_list ()
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{
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# See below (DOCO) for description of each field
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cat <<EOF
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i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name
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#
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i:int:byte_order:::BFD_ENDIAN_BIG
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i:int:byte_order_for_code:::BFD_ENDIAN_BIG
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#
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i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN
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#
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i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc)
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# The bit byte-order has to do just with numbering of bits in debugging symbols
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# and such. Conceptually, it's quite separate from byte/word byte order.
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v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0
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# Number of bits in a char or unsigned char for the target machine.
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# Just like CHAR_BIT in <limits.h> but describes the target machine.
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# v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
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#
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# Number of bits in a short or unsigned short for the target machine.
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v:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0
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# Number of bits in an int or unsigned int for the target machine.
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v:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0
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# Number of bits in a long or unsigned long for the target machine.
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v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0
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# Number of bits in a long long or unsigned long long for the target
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# machine.
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v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0
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# Alignment of a long long or unsigned long long for the target
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# machine.
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v:int:long_long_align_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0
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# The ABI default bit-size and format for "half", "float", "double", and
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# "long double". These bit/format pairs should eventually be combined
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# into a single object. For the moment, just initialize them as a pair.
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# Each format describes both the big and little endian layouts (if
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# useful).
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v:int:half_bit:::16:2*TARGET_CHAR_BIT::0
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v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format)
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v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0
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v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format)
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v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0
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v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format)
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v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
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v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format)
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# For most targets, a pointer on the target and its representation as an
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# address in GDB have the same size and "look the same". For such a
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# target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit
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# / addr_bit will be set from it.
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#
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# If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
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# also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
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# gdbarch_address_to_pointer as well.
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#
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# ptr_bit is the size of a pointer on the target
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v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0
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# addr_bit is the size of a target address as represented in gdb
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v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch):
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#
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# dwarf2_addr_size is the target address size as used in the Dwarf debug
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# info. For .debug_frame FDEs, this is supposed to be the target address
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# size from the associated CU header, and which is equivalent to the
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# DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
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# Unfortunately there is no good way to determine this value. Therefore
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# dwarf2_addr_size simply defaults to the target pointer size.
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#
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# dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
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# defined using the target's pointer size so far.
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#
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# Note that dwarf2_addr_size only needs to be redefined by a target if the
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# GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
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# and if Dwarf versions < 4 need to be supported.
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v:int:dwarf2_addr_size:::sizeof (void*):0:gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT:
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#
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# One if \`char' acts like \`signed char', zero if \`unsigned char'.
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v:int:char_signed:::1:-1:1
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#
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F:CORE_ADDR:read_pc:struct regcache *regcache:regcache
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F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val
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# Function for getting target's idea of a frame pointer. FIXME: GDB's
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# whole scheme for dealing with "frames" and "frame pointers" needs a
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# serious shakedown.
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m:void:virtual_frame_pointer:CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset:pc, frame_regnum, frame_offset:0:legacy_virtual_frame_pointer::0
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#
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M:enum register_status:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf
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# Read a register into a new struct value. If the register is wholly
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# or partly unavailable, this should call mark_value_bytes_unavailable
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# as appropriate. If this is defined, then pseudo_register_read will
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# never be called.
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M:struct value *:pseudo_register_read_value:struct regcache *regcache, int cookednum:regcache, cookednum
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M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf
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#
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v:int:num_regs:::0:-1
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# This macro gives the number of pseudo-registers that live in the
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# register namespace but do not get fetched or stored on the target.
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# These pseudo-registers may be aliases for other registers,
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# combinations of other registers, or they may be computed by GDB.
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v:int:num_pseudo_regs:::0:0::0
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# Assemble agent expression bytecode to collect pseudo-register REG.
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# Return -1 if something goes wrong, 0 otherwise.
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M:int:ax_pseudo_register_collect:struct agent_expr *ax, int reg:ax, reg
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# Assemble agent expression bytecode to push the value of pseudo-register
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# REG on the interpreter stack.
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# Return -1 if something goes wrong, 0 otherwise.
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M:int:ax_pseudo_register_push_stack:struct agent_expr *ax, int reg:ax, reg
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# GDB's standard (or well known) register numbers. These can map onto
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# a real register or a pseudo (computed) register or not be defined at
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# all (-1).
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# gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP.
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v:int:sp_regnum:::-1:-1::0
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v:int:pc_regnum:::-1:-1::0
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v:int:ps_regnum:::-1:-1::0
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v:int:fp0_regnum:::0:-1::0
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# Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
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m:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0
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# Provide a default mapping from a ecoff register number to a gdb REGNUM.
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m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0
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# Convert from an sdb register number to an internal gdb register number.
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m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0
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# Provide a default mapping from a DWARF2 register number to a gdb REGNUM.
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m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0
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m:const char *:register_name:int regnr:regnr::0
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# Return the type of a register specified by the architecture. Only
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# the register cache should call this function directly; others should
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# use "register_type".
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M:struct type *:register_type:int reg_nr:reg_nr
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# See gdbint.texinfo, and PUSH_DUMMY_CALL.
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M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame
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# Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete
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# deprecated_fp_regnum.
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v:int:deprecated_fp_regnum:::-1:-1::0
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# See gdbint.texinfo. See infcall.c.
|
|
M:CORE_ADDR:push_dummy_call:struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:function, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr
|
|
v:int:call_dummy_location::::AT_ENTRY_POINT::0
|
|
M:CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache:sp, funaddr, args, nargs, value_type, real_pc, bp_addr, regcache
|
|
|
|
m:void:print_registers_info:struct ui_file *file, struct frame_info *frame, int regnum, int all:file, frame, regnum, all::default_print_registers_info::0
|
|
M:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
|
|
M:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
|
|
# MAP a GDB RAW register number onto a simulator register number. See
|
|
# also include/...-sim.h.
|
|
m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0
|
|
m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0
|
|
m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0
|
|
# setjmp/longjmp support.
|
|
F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc
|
|
#
|
|
v:int:believe_pcc_promotion:::::::
|
|
#
|
|
m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0
|
|
f:int:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep:frame, regnum, type, buf, optimizedp, unavailablep:0
|
|
f:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0
|
|
# Construct a value representing the contents of register REGNUM in
|
|
# frame FRAME, interpreted as type TYPE. The routine needs to
|
|
# allocate and return a struct value with all value attributes
|
|
# (but not the value contents) filled in.
|
|
f:struct value *:value_from_register:struct type *type, int regnum, struct frame_info *frame:type, regnum, frame::default_value_from_register::0
|
|
#
|
|
m:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0
|
|
m:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0
|
|
M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf
|
|
|
|
# Return the return-value convention that will be used by FUNCTYPE
|
|
# to return a value of type VALTYPE. FUNCTYPE may be NULL in which
|
|
# case the return convention is computed based only on VALTYPE.
|
|
#
|
|
# If READBUF is not NULL, extract the return value and save it in this buffer.
|
|
#
|
|
# If WRITEBUF is not NULL, it contains a return value which will be
|
|
# stored into the appropriate register. This can be used when we want
|
|
# to force the value returned by a function (see the "return" command
|
|
# for instance).
|
|
M:enum return_value_convention:return_value:struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:functype, valtype, regcache, readbuf, writebuf
|
|
|
|
m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
|
|
M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip
|
|
f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0
|
|
m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0:
|
|
# Return the adjusted address and kind to use for Z0/Z1 packets.
|
|
# KIND is usually the memory length of the breakpoint, but may have a
|
|
# different target-specific meaning.
|
|
m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0
|
|
M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
|
|
m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0
|
|
m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0
|
|
v:CORE_ADDR:decr_pc_after_break:::0:::0
|
|
|
|
# A function can be addressed by either it's "pointer" (possibly a
|
|
# descriptor address) or "entry point" (first executable instruction).
|
|
# The method "convert_from_func_ptr_addr" converting the former to the
|
|
# latter. gdbarch_deprecated_function_start_offset is being used to implement
|
|
# a simplified subset of that functionality - the function's address
|
|
# corresponds to the "function pointer" and the function's start
|
|
# corresponds to the "function entry point" - and hence is redundant.
|
|
|
|
v:CORE_ADDR:deprecated_function_start_offset:::0:::0
|
|
|
|
# Return the remote protocol register number associated with this
|
|
# register. Normally the identity mapping.
|
|
m:int:remote_register_number:int regno:regno::default_remote_register_number::0
|
|
|
|
# Fetch the target specific address used to represent a load module.
|
|
F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile
|
|
#
|
|
v:CORE_ADDR:frame_args_skip:::0:::0
|
|
M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
|
|
M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
|
|
# DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
|
|
# frame-base. Enable frame-base before frame-unwind.
|
|
F:int:frame_num_args:struct frame_info *frame:frame
|
|
#
|
|
M:CORE_ADDR:frame_align:CORE_ADDR address:address
|
|
m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0
|
|
v:int:frame_red_zone_size
|
|
#
|
|
m:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_addr_identity::0
|
|
# On some machines there are bits in addresses which are not really
|
|
# part of the address, but are used by the kernel, the hardware, etc.
|
|
# for special purposes. gdbarch_addr_bits_remove takes out any such bits so
|
|
# we get a "real" address such as one would find in a symbol table.
|
|
# This is used only for addresses of instructions, and even then I'm
|
|
# not sure it's used in all contexts. It exists to deal with there
|
|
# being a few stray bits in the PC which would mislead us, not as some
|
|
# sort of generic thing to handle alignment or segmentation (it's
|
|
# possible it should be in TARGET_READ_PC instead).
|
|
m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0
|
|
# It is not at all clear why gdbarch_smash_text_address is not folded into
|
|
# gdbarch_addr_bits_remove.
|
|
m:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr::core_addr_identity::0
|
|
|
|
# FIXME/cagney/2001-01-18: This should be split in two. A target method that
|
|
# indicates if the target needs software single step. An ISA method to
|
|
# implement it.
|
|
#
|
|
# FIXME/cagney/2001-01-18: This should be replaced with something that inserts
|
|
# breakpoints using the breakpoint system instead of blatting memory directly
|
|
# (as with rs6000).
|
|
#
|
|
# FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
|
|
# target can single step. If not, then implement single step using breakpoints.
|
|
#
|
|
# A return value of 1 means that the software_single_step breakpoints
|
|
# were inserted; 0 means they were not.
|
|
F:int:software_single_step:struct frame_info *frame:frame
|
|
|
|
# Return non-zero if the processor is executing a delay slot and a
|
|
# further single-step is needed before the instruction finishes.
|
|
M:int:single_step_through_delay:struct frame_info *frame:frame
|
|
# FIXME: cagney/2003-08-28: Need to find a better way of selecting the
|
|
# disassembler. Perhaps objdump can handle it?
|
|
f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0:
|
|
f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0
|
|
|
|
|
|
# If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER
|
|
# evaluates non-zero, this is the address where the debugger will place
|
|
# a step-resume breakpoint to get us past the dynamic linker.
|
|
m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0
|
|
# Some systems also have trampoline code for returning from shared libs.
|
|
m:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name::generic_in_solib_return_trampoline::0
|
|
|
|
# A target might have problems with watchpoints as soon as the stack
|
|
# frame of the current function has been destroyed. This mostly happens
|
|
# as the first action in a funtion's epilogue. in_function_epilogue_p()
|
|
# is defined to return a non-zero value if either the given addr is one
|
|
# instruction after the stack destroying instruction up to the trailing
|
|
# return instruction or if we can figure out that the stack frame has
|
|
# already been invalidated regardless of the value of addr. Targets
|
|
# which don't suffer from that problem could just let this functionality
|
|
# untouched.
|
|
m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0
|
|
f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0
|
|
f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0
|
|
v:int:cannot_step_breakpoint:::0:0::0
|
|
v:int:have_nonsteppable_watchpoint:::0:0::0
|
|
F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
|
|
M:const char *:address_class_type_flags_to_name:int type_flags:type_flags
|
|
M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
|
|
# Is a register in a group
|
|
m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0
|
|
# Fetch the pointer to the ith function argument.
|
|
F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
|
|
|
|
# Return the appropriate register set for a core file section with
|
|
# name SECT_NAME and size SECT_SIZE.
|
|
M:const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
|
|
|
|
# Supported register notes in a core file.
|
|
v:struct core_regset_section *:core_regset_sections:const char *name, int len::::::host_address_to_string (gdbarch->core_regset_sections)
|
|
|
|
# Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from
|
|
# core file into buffer READBUF with length LEN.
|
|
M:LONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, LONGEST len:readbuf, offset, len
|
|
|
|
# How the core target converts a PTID from a core file to a string.
|
|
M:char *:core_pid_to_str:ptid_t ptid:ptid
|
|
|
|
# BFD target to use when generating a core file.
|
|
V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target)
|
|
|
|
# If the elements of C++ vtables are in-place function descriptors rather
|
|
# than normal function pointers (which may point to code or a descriptor),
|
|
# set this to one.
|
|
v:int:vtable_function_descriptors:::0:0::0
|
|
|
|
# Set if the least significant bit of the delta is used instead of the least
|
|
# significant bit of the pfn for pointers to virtual member functions.
|
|
v:int:vbit_in_delta:::0:0::0
|
|
|
|
# Advance PC to next instruction in order to skip a permanent breakpoint.
|
|
F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache
|
|
|
|
# The maximum length of an instruction on this architecture.
|
|
V:ULONGEST:max_insn_length:::0:0
|
|
|
|
# Copy the instruction at FROM to TO, and make any adjustments
|
|
# necessary to single-step it at that address.
|
|
#
|
|
# REGS holds the state the thread's registers will have before
|
|
# executing the copied instruction; the PC in REGS will refer to FROM,
|
|
# not the copy at TO. The caller should update it to point at TO later.
|
|
#
|
|
# Return a pointer to data of the architecture's choice to be passed
|
|
# to gdbarch_displaced_step_fixup. Or, return NULL to indicate that
|
|
# the instruction's effects have been completely simulated, with the
|
|
# resulting state written back to REGS.
|
|
#
|
|
# For a general explanation of displaced stepping and how GDB uses it,
|
|
# see the comments in infrun.c.
|
|
#
|
|
# The TO area is only guaranteed to have space for
|
|
# gdbarch_max_insn_length (arch) bytes, so this function must not
|
|
# write more bytes than that to that area.
|
|
#
|
|
# If you do not provide this function, GDB assumes that the
|
|
# architecture does not support displaced stepping.
|
|
#
|
|
# If your architecture doesn't need to adjust instructions before
|
|
# single-stepping them, consider using simple_displaced_step_copy_insn
|
|
# here.
|
|
M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs
|
|
|
|
# Return true if GDB should use hardware single-stepping to execute
|
|
# the displaced instruction identified by CLOSURE. If false,
|
|
# GDB will simply restart execution at the displaced instruction
|
|
# location, and it is up to the target to ensure GDB will receive
|
|
# control again (e.g. by placing a software breakpoint instruction
|
|
# into the displaced instruction buffer).
|
|
#
|
|
# The default implementation returns false on all targets that
|
|
# provide a gdbarch_software_single_step routine, and true otherwise.
|
|
m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0
|
|
|
|
# Fix up the state resulting from successfully single-stepping a
|
|
# displaced instruction, to give the result we would have gotten from
|
|
# stepping the instruction in its original location.
|
|
#
|
|
# REGS is the register state resulting from single-stepping the
|
|
# displaced instruction.
|
|
#
|
|
# CLOSURE is the result from the matching call to
|
|
# gdbarch_displaced_step_copy_insn.
|
|
#
|
|
# If you provide gdbarch_displaced_step_copy_insn.but not this
|
|
# function, then GDB assumes that no fixup is needed after
|
|
# single-stepping the instruction.
|
|
#
|
|
# For a general explanation of displaced stepping and how GDB uses it,
|
|
# see the comments in infrun.c.
|
|
M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL
|
|
|
|
# Free a closure returned by gdbarch_displaced_step_copy_insn.
|
|
#
|
|
# If you provide gdbarch_displaced_step_copy_insn, you must provide
|
|
# this function as well.
|
|
#
|
|
# If your architecture uses closures that don't need to be freed, then
|
|
# you can use simple_displaced_step_free_closure here.
|
|
#
|
|
# For a general explanation of displaced stepping and how GDB uses it,
|
|
# see the comments in infrun.c.
|
|
m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn)
|
|
|
|
# Return the address of an appropriate place to put displaced
|
|
# instructions while we step over them. There need only be one such
|
|
# place, since we're only stepping one thread over a breakpoint at a
|
|
# time.
|
|
#
|
|
# For a general explanation of displaced stepping and how GDB uses it,
|
|
# see the comments in infrun.c.
|
|
m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn)
|
|
|
|
# Relocate an instruction to execute at a different address. OLDLOC
|
|
# is the address in the inferior memory where the instruction to
|
|
# relocate is currently at. On input, TO points to the destination
|
|
# where we want the instruction to be copied (and possibly adjusted)
|
|
# to. On output, it points to one past the end of the resulting
|
|
# instruction(s). The effect of executing the instruction at TO shall
|
|
# be the same as if executing it at FROM. For example, call
|
|
# instructions that implicitly push the return address on the stack
|
|
# should be adjusted to return to the instruction after OLDLOC;
|
|
# relative branches, and other PC-relative instructions need the
|
|
# offset adjusted; etc.
|
|
M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL
|
|
|
|
# Refresh overlay mapped state for section OSECT.
|
|
F:void:overlay_update:struct obj_section *osect:osect
|
|
|
|
M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd
|
|
|
|
# Handle special encoding of static variables in stabs debug info.
|
|
F:char *:static_transform_name:char *name:name
|
|
# Set if the address in N_SO or N_FUN stabs may be zero.
|
|
v:int:sofun_address_maybe_missing:::0:0::0
|
|
|
|
# Parse the instruction at ADDR storing in the record execution log
|
|
# the registers REGCACHE and memory ranges that will be affected when
|
|
# the instruction executes, along with their current values.
|
|
# Return -1 if something goes wrong, 0 otherwise.
|
|
M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr
|
|
|
|
# Save process state after a signal.
|
|
# Return -1 if something goes wrong, 0 otherwise.
|
|
M:int:process_record_signal:struct regcache *regcache, enum target_signal signal:regcache, signal
|
|
|
|
# Signal translation: translate inferior's signal (host's) number into
|
|
# GDB's representation.
|
|
m:enum target_signal:target_signal_from_host:int signo:signo::default_target_signal_from_host::0
|
|
# Signal translation: translate GDB's signal number into inferior's host
|
|
# signal number.
|
|
m:int:target_signal_to_host:enum target_signal ts:ts::default_target_signal_to_host::0
|
|
|
|
# Extra signal info inspection.
|
|
#
|
|
# Return a type suitable to inspect extra signal information.
|
|
M:struct type *:get_siginfo_type:void:
|
|
|
|
# Record architecture-specific information from the symbol table.
|
|
M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym
|
|
|
|
# Function for the 'catch syscall' feature.
|
|
|
|
# Get architecture-specific system calls information from registers.
|
|
M:LONGEST:get_syscall_number:ptid_t ptid:ptid
|
|
|
|
# True if the list of shared libraries is one and only for all
|
|
# processes, as opposed to a list of shared libraries per inferior.
|
|
# This usually means that all processes, although may or may not share
|
|
# an address space, will see the same set of symbols at the same
|
|
# addresses.
|
|
v:int:has_global_solist:::0:0::0
|
|
|
|
# On some targets, even though each inferior has its own private
|
|
# address space, the debug interface takes care of making breakpoints
|
|
# visible to all address spaces automatically. For such cases,
|
|
# this property should be set to true.
|
|
v:int:has_global_breakpoints:::0:0::0
|
|
|
|
# True if inferiors share an address space (e.g., uClinux).
|
|
m:int:has_shared_address_space:void:::default_has_shared_address_space::0
|
|
|
|
# True if a fast tracepoint can be set at an address.
|
|
m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0
|
|
|
|
# Return the "auto" target charset.
|
|
f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0
|
|
# Return the "auto" target wide charset.
|
|
f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0
|
|
|
|
# If non-empty, this is a file extension that will be opened in place
|
|
# of the file extension reported by the shared library list.
|
|
#
|
|
# This is most useful for toolchains that use a post-linker tool,
|
|
# where the names of the files run on the target differ in extension
|
|
# compared to the names of the files GDB should load for debug info.
|
|
v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension)
|
|
|
|
# If true, the target OS has DOS-based file system semantics. That
|
|
# is, absolute paths include a drive name, and the backslash is
|
|
# considered a directory separator.
|
|
v:int:has_dos_based_file_system:::0:0::0
|
|
|
|
# Generate bytecodes to collect the return address in a frame.
|
|
# Since the bytecodes run on the target, possibly with GDB not even
|
|
# connected, the full unwinding machinery is not available, and
|
|
# typically this function will issue bytecodes for one or more likely
|
|
# places that the return address may be found.
|
|
m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0
|
|
|
|
EOF
|
|
}
|
|
|
|
#
|
|
# The .log file
|
|
#
|
|
exec > new-gdbarch.log
|
|
function_list | while do_read
|
|
do
|
|
cat <<EOF
|
|
${class} ${returntype} ${function} ($formal)
|
|
EOF
|
|
for r in ${read}
|
|
do
|
|
eval echo \"\ \ \ \ ${r}=\${${r}}\"
|
|
done
|
|
if class_is_predicate_p && fallback_default_p
|
|
then
|
|
echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2
|
|
kill $$
|
|
exit 1
|
|
fi
|
|
if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
|
|
then
|
|
echo "Error: postdefault is useless when invalid_p=0" 1>&2
|
|
kill $$
|
|
exit 1
|
|
fi
|
|
if class_is_multiarch_p
|
|
then
|
|
if class_is_predicate_p ; then :
|
|
elif test "x${predefault}" = "x"
|
|
then
|
|
echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2
|
|
kill $$
|
|
exit 1
|
|
fi
|
|
fi
|
|
echo ""
|
|
done
|
|
|
|
exec 1>&2
|
|
compare_new gdbarch.log
|
|
|
|
|
|
copyright ()
|
|
{
|
|
cat <<EOF
|
|
/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
|
|
|
|
/* Dynamic architecture support for GDB, the GNU debugger.
|
|
|
|
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
|
|
2007, 2008, 2009 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/>. */
|
|
|
|
/* This file was created with the aid of \`\`gdbarch.sh''.
|
|
|
|
The Bourne shell script \`\`gdbarch.sh'' creates the files
|
|
\`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
|
|
against the existing \`\`gdbarch.[hc]''. Any differences found
|
|
being reported.
|
|
|
|
If editing this file, please also run gdbarch.sh and merge any
|
|
changes into that script. Conversely, when making sweeping changes
|
|
to this file, modifying gdbarch.sh and using its output may prove
|
|
easier. */
|
|
|
|
EOF
|
|
}
|
|
|
|
#
|
|
# The .h file
|
|
#
|
|
|
|
exec > new-gdbarch.h
|
|
copyright
|
|
cat <<EOF
|
|
#ifndef GDBARCH_H
|
|
#define GDBARCH_H
|
|
|
|
struct floatformat;
|
|
struct ui_file;
|
|
struct frame_info;
|
|
struct value;
|
|
struct objfile;
|
|
struct obj_section;
|
|
struct minimal_symbol;
|
|
struct regcache;
|
|
struct reggroup;
|
|
struct regset;
|
|
struct disassemble_info;
|
|
struct target_ops;
|
|
struct obstack;
|
|
struct bp_target_info;
|
|
struct target_desc;
|
|
struct displaced_step_closure;
|
|
struct core_regset_section;
|
|
struct syscall;
|
|
struct agent_expr;
|
|
struct axs_value;
|
|
|
|
/* The architecture associated with the connection to the target.
|
|
|
|
The architecture vector provides some information that is really
|
|
a property of the target: The layout of certain packets, for instance;
|
|
or the solib_ops vector. Etc. To differentiate architecture accesses
|
|
to per-target properties from per-thread/per-frame/per-objfile properties,
|
|
accesses to per-target properties should be made through target_gdbarch.
|
|
|
|
Eventually, when support for multiple targets is implemented in
|
|
GDB, this global should be made target-specific. */
|
|
extern struct gdbarch *target_gdbarch;
|
|
EOF
|
|
|
|
# function typedef's
|
|
printf "\n"
|
|
printf "\n"
|
|
printf "/* The following are pre-initialized by GDBARCH. */\n"
|
|
function_list | while do_read
|
|
do
|
|
if class_is_info_p
|
|
then
|
|
printf "\n"
|
|
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
|
|
printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
|
|
fi
|
|
done
|
|
|
|
# function typedef's
|
|
printf "\n"
|
|
printf "\n"
|
|
printf "/* The following are initialized by the target dependent code. */\n"
|
|
function_list | while do_read
|
|
do
|
|
if [ -n "${comment}" ]
|
|
then
|
|
echo "${comment}" | sed \
|
|
-e '2 s,#,/*,' \
|
|
-e '3,$ s,#, ,' \
|
|
-e '$ s,$, */,'
|
|
fi
|
|
|
|
if class_is_predicate_p
|
|
then
|
|
printf "\n"
|
|
printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
|
|
fi
|
|
if class_is_variable_p
|
|
then
|
|
printf "\n"
|
|
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
|
|
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
|
|
fi
|
|
if class_is_function_p
|
|
then
|
|
printf "\n"
|
|
if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
|
|
then
|
|
printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
|
|
elif class_is_multiarch_p
|
|
then
|
|
printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
|
|
else
|
|
printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
|
|
fi
|
|
if [ "x${formal}" = "xvoid" ]
|
|
then
|
|
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
|
|
else
|
|
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
|
|
fi
|
|
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
|
|
fi
|
|
done
|
|
|
|
# close it off
|
|
cat <<EOF
|
|
|
|
/* Definition for an unknown syscall, used basically in error-cases. */
|
|
#define UNKNOWN_SYSCALL (-1)
|
|
|
|
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
|
|
|
|
|
|
/* Mechanism for co-ordinating the selection of a specific
|
|
architecture.
|
|
|
|
GDB targets (*-tdep.c) can register an interest in a specific
|
|
architecture. Other GDB components can register a need to maintain
|
|
per-architecture data.
|
|
|
|
The mechanisms below ensures that there is only a loose connection
|
|
between the set-architecture command and the various GDB
|
|
components. Each component can independently register their need
|
|
to maintain architecture specific data with gdbarch.
|
|
|
|
Pragmatics:
|
|
|
|
Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
|
|
didn't scale.
|
|
|
|
The more traditional mega-struct containing architecture specific
|
|
data for all the various GDB components was also considered. Since
|
|
GDB is built from a variable number of (fairly independent)
|
|
components it was determined that the global aproach was not
|
|
applicable. */
|
|
|
|
|
|
/* Register a new architectural family with GDB.
|
|
|
|
Register support for the specified ARCHITECTURE with GDB. When
|
|
gdbarch determines that the specified architecture has been
|
|
selected, the corresponding INIT function is called.
|
|
|
|
--
|
|
|
|
The INIT function takes two parameters: INFO which contains the
|
|
information available to gdbarch about the (possibly new)
|
|
architecture; ARCHES which is a list of the previously created
|
|
\`\`struct gdbarch'' for this architecture.
|
|
|
|
The INFO parameter is, as far as possible, be pre-initialized with
|
|
information obtained from INFO.ABFD or the global defaults.
|
|
|
|
The ARCHES parameter is a linked list (sorted most recently used)
|
|
of all the previously created architures for this architecture
|
|
family. The (possibly NULL) ARCHES->gdbarch can used to access
|
|
values from the previously selected architecture for this
|
|
architecture family.
|
|
|
|
The INIT function shall return any of: NULL - indicating that it
|
|
doesn't recognize the selected architecture; an existing \`\`struct
|
|
gdbarch'' from the ARCHES list - indicating that the new
|
|
architecture is just a synonym for an earlier architecture (see
|
|
gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
|
|
- that describes the selected architecture (see gdbarch_alloc()).
|
|
|
|
The DUMP_TDEP function shall print out all target specific values.
|
|
Care should be taken to ensure that the function works in both the
|
|
multi-arch and non- multi-arch cases. */
|
|
|
|
struct gdbarch_list
|
|
{
|
|
struct gdbarch *gdbarch;
|
|
struct gdbarch_list *next;
|
|
};
|
|
|
|
struct gdbarch_info
|
|
{
|
|
/* Use default: NULL (ZERO). */
|
|
const struct bfd_arch_info *bfd_arch_info;
|
|
|
|
/* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
|
|
int byte_order;
|
|
|
|
int byte_order_for_code;
|
|
|
|
/* Use default: NULL (ZERO). */
|
|
bfd *abfd;
|
|
|
|
/* Use default: NULL (ZERO). */
|
|
struct gdbarch_tdep_info *tdep_info;
|
|
|
|
/* Use default: GDB_OSABI_UNINITIALIZED (-1). */
|
|
enum gdb_osabi osabi;
|
|
|
|
/* Use default: NULL (ZERO). */
|
|
const struct target_desc *target_desc;
|
|
};
|
|
|
|
typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
|
|
typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
|
|
|
|
/* DEPRECATED - use gdbarch_register() */
|
|
extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
|
|
|
|
extern void gdbarch_register (enum bfd_architecture architecture,
|
|
gdbarch_init_ftype *,
|
|
gdbarch_dump_tdep_ftype *);
|
|
|
|
|
|
/* Return a freshly allocated, NULL terminated, array of the valid
|
|
architecture names. Since architectures are registered during the
|
|
_initialize phase this function only returns useful information
|
|
once initialization has been completed. */
|
|
|
|
extern const char **gdbarch_printable_names (void);
|
|
|
|
|
|
/* Helper function. Search the list of ARCHES for a GDBARCH that
|
|
matches the information provided by INFO. */
|
|
|
|
extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
|
|
|
|
|
|
/* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
|
|
basic initialization using values obtained from the INFO and TDEP
|
|
parameters. set_gdbarch_*() functions are called to complete the
|
|
initialization of the object. */
|
|
|
|
extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
|
|
|
|
|
|
/* Helper function. Free a partially-constructed \`\`struct gdbarch''.
|
|
It is assumed that the caller freeds the \`\`struct
|
|
gdbarch_tdep''. */
|
|
|
|
extern void gdbarch_free (struct gdbarch *);
|
|
|
|
|
|
/* Helper function. Allocate memory from the \`\`struct gdbarch''
|
|
obstack. The memory is freed when the corresponding architecture
|
|
is also freed. */
|
|
|
|
extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
|
|
#define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
|
|
#define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
|
|
|
|
|
|
/* Helper function. Force an update of the current architecture.
|
|
|
|
The actual architecture selected is determined by INFO, \`\`(gdb) set
|
|
architecture'' et.al., the existing architecture and BFD's default
|
|
architecture. INFO should be initialized to zero and then selected
|
|
fields should be updated.
|
|
|
|
Returns non-zero if the update succeeds. */
|
|
|
|
extern int gdbarch_update_p (struct gdbarch_info info);
|
|
|
|
|
|
/* Helper function. Find an architecture matching info.
|
|
|
|
INFO should be initialized using gdbarch_info_init, relevant fields
|
|
set, and then finished using gdbarch_info_fill.
|
|
|
|
Returns the corresponding architecture, or NULL if no matching
|
|
architecture was found. */
|
|
|
|
extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
|
|
|
|
|
|
/* Helper function. Set the global "target_gdbarch" to "gdbarch".
|
|
|
|
FIXME: kettenis/20031124: Of the functions that follow, only
|
|
gdbarch_from_bfd is supposed to survive. The others will
|
|
dissappear since in the future GDB will (hopefully) be truly
|
|
multi-arch. However, for now we're still stuck with the concept of
|
|
a single active architecture. */
|
|
|
|
extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch);
|
|
|
|
|
|
/* Register per-architecture data-pointer.
|
|
|
|
Reserve space for a per-architecture data-pointer. An identifier
|
|
for the reserved data-pointer is returned. That identifer should
|
|
be saved in a local static variable.
|
|
|
|
Memory for the per-architecture data shall be allocated using
|
|
gdbarch_obstack_zalloc. That memory will be deleted when the
|
|
corresponding architecture object is deleted.
|
|
|
|
When a previously created architecture is re-selected, the
|
|
per-architecture data-pointer for that previous architecture is
|
|
restored. INIT() is not re-called.
|
|
|
|
Multiple registrarants for any architecture are allowed (and
|
|
strongly encouraged). */
|
|
|
|
struct gdbarch_data;
|
|
|
|
typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
|
|
extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
|
|
typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
|
|
extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
|
|
extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
|
|
struct gdbarch_data *data,
|
|
void *pointer);
|
|
|
|
extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
|
|
|
|
|
|
/* Set the dynamic target-system-dependent parameters (architecture,
|
|
byte-order, ...) using information found in the BFD. */
|
|
|
|
extern void set_gdbarch_from_file (bfd *);
|
|
|
|
|
|
/* Initialize the current architecture to the "first" one we find on
|
|
our list. */
|
|
|
|
extern void initialize_current_architecture (void);
|
|
|
|
/* gdbarch trace variable */
|
|
extern int gdbarch_debug;
|
|
|
|
extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
|
|
|
|
#endif
|
|
EOF
|
|
exec 1>&2
|
|
#../move-if-change new-gdbarch.h gdbarch.h
|
|
compare_new gdbarch.h
|
|
|
|
|
|
#
|
|
# C file
|
|
#
|
|
|
|
exec > new-gdbarch.c
|
|
copyright
|
|
cat <<EOF
|
|
|
|
#include "defs.h"
|
|
#include "arch-utils.h"
|
|
|
|
#include "gdbcmd.h"
|
|
#include "inferior.h"
|
|
#include "symcat.h"
|
|
|
|
#include "floatformat.h"
|
|
|
|
#include "gdb_assert.h"
|
|
#include "gdb_string.h"
|
|
#include "reggroups.h"
|
|
#include "osabi.h"
|
|
#include "gdb_obstack.h"
|
|
#include "observer.h"
|
|
#include "regcache.h"
|
|
|
|
/* Static function declarations */
|
|
|
|
static void alloc_gdbarch_data (struct gdbarch *);
|
|
|
|
/* Non-zero if we want to trace architecture code. */
|
|
|
|
#ifndef GDBARCH_DEBUG
|
|
#define GDBARCH_DEBUG 0
|
|
#endif
|
|
int gdbarch_debug = GDBARCH_DEBUG;
|
|
static void
|
|
show_gdbarch_debug (struct ui_file *file, int from_tty,
|
|
struct cmd_list_element *c, const char *value)
|
|
{
|
|
fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value);
|
|
}
|
|
|
|
static const char *
|
|
pformat (const struct floatformat **format)
|
|
{
|
|
if (format == NULL)
|
|
return "(null)";
|
|
else
|
|
/* Just print out one of them - this is only for diagnostics. */
|
|
return format[0]->name;
|
|
}
|
|
|
|
static const char *
|
|
pstring (const char *string)
|
|
{
|
|
if (string == NULL)
|
|
return "(null)";
|
|
return string;
|
|
}
|
|
|
|
EOF
|
|
|
|
# gdbarch open the gdbarch object
|
|
printf "\n"
|
|
printf "/* Maintain the struct gdbarch object. */\n"
|
|
printf "\n"
|
|
printf "struct gdbarch\n"
|
|
printf "{\n"
|
|
printf " /* Has this architecture been fully initialized? */\n"
|
|
printf " int initialized_p;\n"
|
|
printf "\n"
|
|
printf " /* An obstack bound to the lifetime of the architecture. */\n"
|
|
printf " struct obstack *obstack;\n"
|
|
printf "\n"
|
|
printf " /* basic architectural information. */\n"
|
|
function_list | while do_read
|
|
do
|
|
if class_is_info_p
|
|
then
|
|
printf " ${returntype} ${function};\n"
|
|
fi
|
|
done
|
|
printf "\n"
|
|
printf " /* target specific vector. */\n"
|
|
printf " struct gdbarch_tdep *tdep;\n"
|
|
printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
|
|
printf "\n"
|
|
printf " /* per-architecture data-pointers. */\n"
|
|
printf " unsigned nr_data;\n"
|
|
printf " void **data;\n"
|
|
printf "\n"
|
|
printf " /* per-architecture swap-regions. */\n"
|
|
printf " struct gdbarch_swap *swap;\n"
|
|
printf "\n"
|
|
cat <<EOF
|
|
/* Multi-arch values.
|
|
|
|
When extending this structure you must:
|
|
|
|
Add the field below.
|
|
|
|
Declare set/get functions and define the corresponding
|
|
macro in gdbarch.h.
|
|
|
|
gdbarch_alloc(): If zero/NULL is not a suitable default,
|
|
initialize the new field.
|
|
|
|
verify_gdbarch(): Confirm that the target updated the field
|
|
correctly.
|
|
|
|
gdbarch_dump(): Add a fprintf_unfiltered call so that the new
|
|
field is dumped out
|
|
|
|
\`\`startup_gdbarch()'': Append an initial value to the static
|
|
variable (base values on the host's c-type system).
|
|
|
|
get_gdbarch(): Implement the set/get functions (probably using
|
|
the macro's as shortcuts).
|
|
|
|
*/
|
|
|
|
EOF
|
|
function_list | while do_read
|
|
do
|
|
if class_is_variable_p
|
|
then
|
|
printf " ${returntype} ${function};\n"
|
|
elif class_is_function_p
|
|
then
|
|
printf " gdbarch_${function}_ftype *${function};\n"
|
|
fi
|
|
done
|
|
printf "};\n"
|
|
|
|
# A pre-initialized vector
|
|
printf "\n"
|
|
printf "\n"
|
|
cat <<EOF
|
|
/* The default architecture uses host values (for want of a better
|
|
choice). */
|
|
EOF
|
|
printf "\n"
|
|
printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
|
|
printf "\n"
|
|
printf "struct gdbarch startup_gdbarch =\n"
|
|
printf "{\n"
|
|
printf " 1, /* Always initialized. */\n"
|
|
printf " NULL, /* The obstack. */\n"
|
|
printf " /* basic architecture information. */\n"
|
|
function_list | while do_read
|
|
do
|
|
if class_is_info_p
|
|
then
|
|
printf " ${staticdefault}, /* ${function} */\n"
|
|
fi
|
|
done
|
|
cat <<EOF
|
|
/* target specific vector and its dump routine. */
|
|
NULL, NULL,
|
|
/*per-architecture data-pointers and swap regions. */
|
|
0, NULL, NULL,
|
|
/* Multi-arch values */
|
|
EOF
|
|
function_list | while do_read
|
|
do
|
|
if class_is_function_p || class_is_variable_p
|
|
then
|
|
printf " ${staticdefault}, /* ${function} */\n"
|
|
fi
|
|
done
|
|
cat <<EOF
|
|
/* startup_gdbarch() */
|
|
};
|
|
|
|
struct gdbarch *target_gdbarch = &startup_gdbarch;
|
|
EOF
|
|
|
|
# Create a new gdbarch struct
|
|
cat <<EOF
|
|
|
|
/* Create a new \`\`struct gdbarch'' based on information provided by
|
|
\`\`struct gdbarch_info''. */
|
|
EOF
|
|
printf "\n"
|
|
cat <<EOF
|
|
struct gdbarch *
|
|
gdbarch_alloc (const struct gdbarch_info *info,
|
|
struct gdbarch_tdep *tdep)
|
|
{
|
|
struct gdbarch *gdbarch;
|
|
|
|
/* Create an obstack for allocating all the per-architecture memory,
|
|
then use that to allocate the architecture vector. */
|
|
struct obstack *obstack = XMALLOC (struct obstack);
|
|
obstack_init (obstack);
|
|
gdbarch = obstack_alloc (obstack, sizeof (*gdbarch));
|
|
memset (gdbarch, 0, sizeof (*gdbarch));
|
|
gdbarch->obstack = obstack;
|
|
|
|
alloc_gdbarch_data (gdbarch);
|
|
|
|
gdbarch->tdep = tdep;
|
|
EOF
|
|
printf "\n"
|
|
function_list | while do_read
|
|
do
|
|
if class_is_info_p
|
|
then
|
|
printf " gdbarch->${function} = info->${function};\n"
|
|
fi
|
|
done
|
|
printf "\n"
|
|
printf " /* Force the explicit initialization of these. */\n"
|
|
function_list | while do_read
|
|
do
|
|
if class_is_function_p || class_is_variable_p
|
|
then
|
|
if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
|
|
then
|
|
printf " gdbarch->${function} = ${predefault};\n"
|
|
fi
|
|
fi
|
|
done
|
|
cat <<EOF
|
|
/* gdbarch_alloc() */
|
|
|
|
return gdbarch;
|
|
}
|
|
EOF
|
|
|
|
# Free a gdbarch struct.
|
|
printf "\n"
|
|
printf "\n"
|
|
cat <<EOF
|
|
/* Allocate extra space using the per-architecture obstack. */
|
|
|
|
void *
|
|
gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
|
|
{
|
|
void *data = obstack_alloc (arch->obstack, size);
|
|
|
|
memset (data, 0, size);
|
|
return data;
|
|
}
|
|
|
|
|
|
/* Free a gdbarch struct. This should never happen in normal
|
|
operation --- once you've created a gdbarch, you keep it around.
|
|
However, if an architecture's init function encounters an error
|
|
building the structure, it may need to clean up a partially
|
|
constructed gdbarch. */
|
|
|
|
void
|
|
gdbarch_free (struct gdbarch *arch)
|
|
{
|
|
struct obstack *obstack;
|
|
|
|
gdb_assert (arch != NULL);
|
|
gdb_assert (!arch->initialized_p);
|
|
obstack = arch->obstack;
|
|
obstack_free (obstack, 0); /* Includes the ARCH. */
|
|
xfree (obstack);
|
|
}
|
|
EOF
|
|
|
|
# verify a new architecture
|
|
cat <<EOF
|
|
|
|
|
|
/* Ensure that all values in a GDBARCH are reasonable. */
|
|
|
|
static void
|
|
verify_gdbarch (struct gdbarch *gdbarch)
|
|
{
|
|
struct ui_file *log;
|
|
struct cleanup *cleanups;
|
|
long length;
|
|
char *buf;
|
|
|
|
log = mem_fileopen ();
|
|
cleanups = make_cleanup_ui_file_delete (log);
|
|
/* fundamental */
|
|
if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
|
|
fprintf_unfiltered (log, "\n\tbyte-order");
|
|
if (gdbarch->bfd_arch_info == NULL)
|
|
fprintf_unfiltered (log, "\n\tbfd_arch_info");
|
|
/* Check those that need to be defined for the given multi-arch level. */
|
|
EOF
|
|
function_list | while do_read
|
|
do
|
|
if class_is_function_p || class_is_variable_p
|
|
then
|
|
if [ "x${invalid_p}" = "x0" ]
|
|
then
|
|
printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
|
|
elif class_is_predicate_p
|
|
then
|
|
printf " /* Skip verify of ${function}, has predicate. */\n"
|
|
# FIXME: See do_read for potential simplification
|
|
elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
|
|
then
|
|
printf " if (${invalid_p})\n"
|
|
printf " gdbarch->${function} = ${postdefault};\n"
|
|
elif [ -n "${predefault}" -a -n "${postdefault}" ]
|
|
then
|
|
printf " if (gdbarch->${function} == ${predefault})\n"
|
|
printf " gdbarch->${function} = ${postdefault};\n"
|
|
elif [ -n "${postdefault}" ]
|
|
then
|
|
printf " if (gdbarch->${function} == 0)\n"
|
|
printf " gdbarch->${function} = ${postdefault};\n"
|
|
elif [ -n "${invalid_p}" ]
|
|
then
|
|
printf " if (${invalid_p})\n"
|
|
printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
|
|
elif [ -n "${predefault}" ]
|
|
then
|
|
printf " if (gdbarch->${function} == ${predefault})\n"
|
|
printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
|
|
fi
|
|
fi
|
|
done
|
|
cat <<EOF
|
|
buf = ui_file_xstrdup (log, &length);
|
|
make_cleanup (xfree, buf);
|
|
if (length > 0)
|
|
internal_error (__FILE__, __LINE__,
|
|
_("verify_gdbarch: the following are invalid ...%s"),
|
|
buf);
|
|
do_cleanups (cleanups);
|
|
}
|
|
EOF
|
|
|
|
# dump the structure
|
|
printf "\n"
|
|
printf "\n"
|
|
cat <<EOF
|
|
/* Print out the details of the current architecture. */
|
|
|
|
void
|
|
gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
|
|
{
|
|
const char *gdb_nm_file = "<not-defined>";
|
|
|
|
#if defined (GDB_NM_FILE)
|
|
gdb_nm_file = GDB_NM_FILE;
|
|
#endif
|
|
fprintf_unfiltered (file,
|
|
"gdbarch_dump: GDB_NM_FILE = %s\\n",
|
|
gdb_nm_file);
|
|
EOF
|
|
function_list | sort -t: -k 3 | while do_read
|
|
do
|
|
# First the predicate
|
|
if class_is_predicate_p
|
|
then
|
|
printf " fprintf_unfiltered (file,\n"
|
|
printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
|
|
printf " gdbarch_${function}_p (gdbarch));\n"
|
|
fi
|
|
# Print the corresponding value.
|
|
if class_is_function_p
|
|
then
|
|
printf " fprintf_unfiltered (file,\n"
|
|
printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n"
|
|
printf " host_address_to_string (gdbarch->${function}));\n"
|
|
else
|
|
# It is a variable
|
|
case "${print}:${returntype}" in
|
|
:CORE_ADDR )
|
|
fmt="%s"
|
|
print="core_addr_to_string_nz (gdbarch->${function})"
|
|
;;
|
|
:* )
|
|
fmt="%s"
|
|
print="plongest (gdbarch->${function})"
|
|
;;
|
|
* )
|
|
fmt="%s"
|
|
;;
|
|
esac
|
|
printf " fprintf_unfiltered (file,\n"
|
|
printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}"
|
|
printf " ${print});\n"
|
|
fi
|
|
done
|
|
cat <<EOF
|
|
if (gdbarch->dump_tdep != NULL)
|
|
gdbarch->dump_tdep (gdbarch, file);
|
|
}
|
|
EOF
|
|
|
|
|
|
# GET/SET
|
|
printf "\n"
|
|
cat <<EOF
|
|
struct gdbarch_tdep *
|
|
gdbarch_tdep (struct gdbarch *gdbarch)
|
|
{
|
|
if (gdbarch_debug >= 2)
|
|
fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
|
|
return gdbarch->tdep;
|
|
}
|
|
EOF
|
|
printf "\n"
|
|
function_list | while do_read
|
|
do
|
|
if class_is_predicate_p
|
|
then
|
|
printf "\n"
|
|
printf "int\n"
|
|
printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
|
|
printf "{\n"
|
|
printf " gdb_assert (gdbarch != NULL);\n"
|
|
printf " return ${predicate};\n"
|
|
printf "}\n"
|
|
fi
|
|
if class_is_function_p
|
|
then
|
|
printf "\n"
|
|
printf "${returntype}\n"
|
|
if [ "x${formal}" = "xvoid" ]
|
|
then
|
|
printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
|
|
else
|
|
printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
|
|
fi
|
|
printf "{\n"
|
|
printf " gdb_assert (gdbarch != NULL);\n"
|
|
printf " gdb_assert (gdbarch->${function} != NULL);\n"
|
|
if class_is_predicate_p && test -n "${predefault}"
|
|
then
|
|
# Allow a call to a function with a predicate.
|
|
printf " /* Do not check predicate: ${predicate}, allow call. */\n"
|
|
fi
|
|
printf " if (gdbarch_debug >= 2)\n"
|
|
printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
|
|
if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
|
|
then
|
|
if class_is_multiarch_p
|
|
then
|
|
params="gdbarch"
|
|
else
|
|
params=""
|
|
fi
|
|
else
|
|
if class_is_multiarch_p
|
|
then
|
|
params="gdbarch, ${actual}"
|
|
else
|
|
params="${actual}"
|
|
fi
|
|
fi
|
|
if [ "x${returntype}" = "xvoid" ]
|
|
then
|
|
printf " gdbarch->${function} (${params});\n"
|
|
else
|
|
printf " return gdbarch->${function} (${params});\n"
|
|
fi
|
|
printf "}\n"
|
|
printf "\n"
|
|
printf "void\n"
|
|
printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
|
|
printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
|
|
printf "{\n"
|
|
printf " gdbarch->${function} = ${function};\n"
|
|
printf "}\n"
|
|
elif class_is_variable_p
|
|
then
|
|
printf "\n"
|
|
printf "${returntype}\n"
|
|
printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
|
|
printf "{\n"
|
|
printf " gdb_assert (gdbarch != NULL);\n"
|
|
if [ "x${invalid_p}" = "x0" ]
|
|
then
|
|
printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
|
|
elif [ -n "${invalid_p}" ]
|
|
then
|
|
printf " /* Check variable is valid. */\n"
|
|
printf " gdb_assert (!(${invalid_p}));\n"
|
|
elif [ -n "${predefault}" ]
|
|
then
|
|
printf " /* Check variable changed from pre-default. */\n"
|
|
printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
|
|
fi
|
|
printf " if (gdbarch_debug >= 2)\n"
|
|
printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
|
|
printf " return gdbarch->${function};\n"
|
|
printf "}\n"
|
|
printf "\n"
|
|
printf "void\n"
|
|
printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
|
|
printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
|
|
printf "{\n"
|
|
printf " gdbarch->${function} = ${function};\n"
|
|
printf "}\n"
|
|
elif class_is_info_p
|
|
then
|
|
printf "\n"
|
|
printf "${returntype}\n"
|
|
printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
|
|
printf "{\n"
|
|
printf " gdb_assert (gdbarch != NULL);\n"
|
|
printf " if (gdbarch_debug >= 2)\n"
|
|
printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
|
|
printf " return gdbarch->${function};\n"
|
|
printf "}\n"
|
|
fi
|
|
done
|
|
|
|
# All the trailing guff
|
|
cat <<EOF
|
|
|
|
|
|
/* Keep a registry of per-architecture data-pointers required by GDB
|
|
modules. */
|
|
|
|
struct gdbarch_data
|
|
{
|
|
unsigned index;
|
|
int init_p;
|
|
gdbarch_data_pre_init_ftype *pre_init;
|
|
gdbarch_data_post_init_ftype *post_init;
|
|
};
|
|
|
|
struct gdbarch_data_registration
|
|
{
|
|
struct gdbarch_data *data;
|
|
struct gdbarch_data_registration *next;
|
|
};
|
|
|
|
struct gdbarch_data_registry
|
|
{
|
|
unsigned nr;
|
|
struct gdbarch_data_registration *registrations;
|
|
};
|
|
|
|
struct gdbarch_data_registry gdbarch_data_registry =
|
|
{
|
|
0, NULL,
|
|
};
|
|
|
|
static struct gdbarch_data *
|
|
gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init,
|
|
gdbarch_data_post_init_ftype *post_init)
|
|
{
|
|
struct gdbarch_data_registration **curr;
|
|
|
|
/* Append the new registration. */
|
|
for (curr = &gdbarch_data_registry.registrations;
|
|
(*curr) != NULL;
|
|
curr = &(*curr)->next);
|
|
(*curr) = XMALLOC (struct gdbarch_data_registration);
|
|
(*curr)->next = NULL;
|
|
(*curr)->data = XMALLOC (struct gdbarch_data);
|
|
(*curr)->data->index = gdbarch_data_registry.nr++;
|
|
(*curr)->data->pre_init = pre_init;
|
|
(*curr)->data->post_init = post_init;
|
|
(*curr)->data->init_p = 1;
|
|
return (*curr)->data;
|
|
}
|
|
|
|
struct gdbarch_data *
|
|
gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init)
|
|
{
|
|
return gdbarch_data_register (pre_init, NULL);
|
|
}
|
|
|
|
struct gdbarch_data *
|
|
gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init)
|
|
{
|
|
return gdbarch_data_register (NULL, post_init);
|
|
}
|
|
|
|
/* Create/delete the gdbarch data vector. */
|
|
|
|
static void
|
|
alloc_gdbarch_data (struct gdbarch *gdbarch)
|
|
{
|
|
gdb_assert (gdbarch->data == NULL);
|
|
gdbarch->nr_data = gdbarch_data_registry.nr;
|
|
gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
|
|
}
|
|
|
|
/* Initialize the current value of the specified per-architecture
|
|
data-pointer. */
|
|
|
|
void
|
|
deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
|
|
struct gdbarch_data *data,
|
|
void *pointer)
|
|
{
|
|
gdb_assert (data->index < gdbarch->nr_data);
|
|
gdb_assert (gdbarch->data[data->index] == NULL);
|
|
gdb_assert (data->pre_init == NULL);
|
|
gdbarch->data[data->index] = pointer;
|
|
}
|
|
|
|
/* Return the current value of the specified per-architecture
|
|
data-pointer. */
|
|
|
|
void *
|
|
gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
|
|
{
|
|
gdb_assert (data->index < gdbarch->nr_data);
|
|
if (gdbarch->data[data->index] == NULL)
|
|
{
|
|
/* The data-pointer isn't initialized, call init() to get a
|
|
value. */
|
|
if (data->pre_init != NULL)
|
|
/* Mid architecture creation: pass just the obstack, and not
|
|
the entire architecture, as that way it isn't possible for
|
|
pre-init code to refer to undefined architecture
|
|
fields. */
|
|
gdbarch->data[data->index] = data->pre_init (gdbarch->obstack);
|
|
else if (gdbarch->initialized_p
|
|
&& data->post_init != NULL)
|
|
/* Post architecture creation: pass the entire architecture
|
|
(as all fields are valid), but be careful to also detect
|
|
recursive references. */
|
|
{
|
|
gdb_assert (data->init_p);
|
|
data->init_p = 0;
|
|
gdbarch->data[data->index] = data->post_init (gdbarch);
|
|
data->init_p = 1;
|
|
}
|
|
else
|
|
/* The architecture initialization hasn't completed - punt -
|
|
hope that the caller knows what they are doing. Once
|
|
deprecated_set_gdbarch_data has been initialized, this can be
|
|
changed to an internal error. */
|
|
return NULL;
|
|
gdb_assert (gdbarch->data[data->index] != NULL);
|
|
}
|
|
return gdbarch->data[data->index];
|
|
}
|
|
|
|
|
|
/* Keep a registry of the architectures known by GDB. */
|
|
|
|
struct gdbarch_registration
|
|
{
|
|
enum bfd_architecture bfd_architecture;
|
|
gdbarch_init_ftype *init;
|
|
gdbarch_dump_tdep_ftype *dump_tdep;
|
|
struct gdbarch_list *arches;
|
|
struct gdbarch_registration *next;
|
|
};
|
|
|
|
static struct gdbarch_registration *gdbarch_registry = NULL;
|
|
|
|
static void
|
|
append_name (const char ***buf, int *nr, const char *name)
|
|
{
|
|
*buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
|
|
(*buf)[*nr] = name;
|
|
*nr += 1;
|
|
}
|
|
|
|
const char **
|
|
gdbarch_printable_names (void)
|
|
{
|
|
/* Accumulate a list of names based on the registed list of
|
|
architectures. */
|
|
int nr_arches = 0;
|
|
const char **arches = NULL;
|
|
struct gdbarch_registration *rego;
|
|
|
|
for (rego = gdbarch_registry;
|
|
rego != NULL;
|
|
rego = rego->next)
|
|
{
|
|
const struct bfd_arch_info *ap;
|
|
ap = bfd_lookup_arch (rego->bfd_architecture, 0);
|
|
if (ap == NULL)
|
|
internal_error (__FILE__, __LINE__,
|
|
_("gdbarch_architecture_names: multi-arch unknown"));
|
|
do
|
|
{
|
|
append_name (&arches, &nr_arches, ap->printable_name);
|
|
ap = ap->next;
|
|
}
|
|
while (ap != NULL);
|
|
}
|
|
append_name (&arches, &nr_arches, NULL);
|
|
return arches;
|
|
}
|
|
|
|
|
|
void
|
|
gdbarch_register (enum bfd_architecture bfd_architecture,
|
|
gdbarch_init_ftype *init,
|
|
gdbarch_dump_tdep_ftype *dump_tdep)
|
|
{
|
|
struct gdbarch_registration **curr;
|
|
const struct bfd_arch_info *bfd_arch_info;
|
|
|
|
/* Check that BFD recognizes this architecture */
|
|
bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
|
|
if (bfd_arch_info == NULL)
|
|
{
|
|
internal_error (__FILE__, __LINE__,
|
|
_("gdbarch: Attempt to register "
|
|
"unknown architecture (%d)"),
|
|
bfd_architecture);
|
|
}
|
|
/* Check that we haven't seen this architecture before. */
|
|
for (curr = &gdbarch_registry;
|
|
(*curr) != NULL;
|
|
curr = &(*curr)->next)
|
|
{
|
|
if (bfd_architecture == (*curr)->bfd_architecture)
|
|
internal_error (__FILE__, __LINE__,
|
|
_("gdbarch: Duplicate registration "
|
|
"of architecture (%s)"),
|
|
bfd_arch_info->printable_name);
|
|
}
|
|
/* log it */
|
|
if (gdbarch_debug)
|
|
fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n",
|
|
bfd_arch_info->printable_name,
|
|
host_address_to_string (init));
|
|
/* Append it */
|
|
(*curr) = XMALLOC (struct gdbarch_registration);
|
|
(*curr)->bfd_architecture = bfd_architecture;
|
|
(*curr)->init = init;
|
|
(*curr)->dump_tdep = dump_tdep;
|
|
(*curr)->arches = NULL;
|
|
(*curr)->next = NULL;
|
|
}
|
|
|
|
void
|
|
register_gdbarch_init (enum bfd_architecture bfd_architecture,
|
|
gdbarch_init_ftype *init)
|
|
{
|
|
gdbarch_register (bfd_architecture, init, NULL);
|
|
}
|
|
|
|
|
|
/* Look for an architecture using gdbarch_info. */
|
|
|
|
struct gdbarch_list *
|
|
gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
|
|
const struct gdbarch_info *info)
|
|
{
|
|
for (; arches != NULL; arches = arches->next)
|
|
{
|
|
if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
|
|
continue;
|
|
if (info->byte_order != arches->gdbarch->byte_order)
|
|
continue;
|
|
if (info->osabi != arches->gdbarch->osabi)
|
|
continue;
|
|
if (info->target_desc != arches->gdbarch->target_desc)
|
|
continue;
|
|
return arches;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/* Find an architecture that matches the specified INFO. Create a new
|
|
architecture if needed. Return that new architecture. */
|
|
|
|
struct gdbarch *
|
|
gdbarch_find_by_info (struct gdbarch_info info)
|
|
{
|
|
struct gdbarch *new_gdbarch;
|
|
struct gdbarch_registration *rego;
|
|
|
|
/* Fill in missing parts of the INFO struct using a number of
|
|
sources: "set ..."; INFOabfd supplied; and the global
|
|
defaults. */
|
|
gdbarch_info_fill (&info);
|
|
|
|
/* Must have found some sort of architecture. */
|
|
gdb_assert (info.bfd_arch_info != NULL);
|
|
|
|
if (gdbarch_debug)
|
|
{
|
|
fprintf_unfiltered (gdb_stdlog,
|
|
"gdbarch_find_by_info: info.bfd_arch_info %s\n",
|
|
(info.bfd_arch_info != NULL
|
|
? info.bfd_arch_info->printable_name
|
|
: "(null)"));
|
|
fprintf_unfiltered (gdb_stdlog,
|
|
"gdbarch_find_by_info: info.byte_order %d (%s)\n",
|
|
info.byte_order,
|
|
(info.byte_order == BFD_ENDIAN_BIG ? "big"
|
|
: info.byte_order == BFD_ENDIAN_LITTLE ? "little"
|
|
: "default"));
|
|
fprintf_unfiltered (gdb_stdlog,
|
|
"gdbarch_find_by_info: info.osabi %d (%s)\n",
|
|
info.osabi, gdbarch_osabi_name (info.osabi));
|
|
fprintf_unfiltered (gdb_stdlog,
|
|
"gdbarch_find_by_info: info.abfd %s\n",
|
|
host_address_to_string (info.abfd));
|
|
fprintf_unfiltered (gdb_stdlog,
|
|
"gdbarch_find_by_info: info.tdep_info %s\n",
|
|
host_address_to_string (info.tdep_info));
|
|
}
|
|
|
|
/* Find the tdep code that knows about this architecture. */
|
|
for (rego = gdbarch_registry;
|
|
rego != NULL;
|
|
rego = rego->next)
|
|
if (rego->bfd_architecture == info.bfd_arch_info->arch)
|
|
break;
|
|
if (rego == NULL)
|
|
{
|
|
if (gdbarch_debug)
|
|
fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
|
|
"No matching architecture\n");
|
|
return 0;
|
|
}
|
|
|
|
/* Ask the tdep code for an architecture that matches "info". */
|
|
new_gdbarch = rego->init (info, rego->arches);
|
|
|
|
/* Did the tdep code like it? No. Reject the change and revert to
|
|
the old architecture. */
|
|
if (new_gdbarch == NULL)
|
|
{
|
|
if (gdbarch_debug)
|
|
fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
|
|
"Target rejected architecture\n");
|
|
return NULL;
|
|
}
|
|
|
|
/* Is this a pre-existing architecture (as determined by already
|
|
being initialized)? Move it to the front of the architecture
|
|
list (keeping the list sorted Most Recently Used). */
|
|
if (new_gdbarch->initialized_p)
|
|
{
|
|
struct gdbarch_list **list;
|
|
struct gdbarch_list *this;
|
|
if (gdbarch_debug)
|
|
fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
|
|
"Previous architecture %s (%s) selected\n",
|
|
host_address_to_string (new_gdbarch),
|
|
new_gdbarch->bfd_arch_info->printable_name);
|
|
/* Find the existing arch in the list. */
|
|
for (list = ®o->arches;
|
|
(*list) != NULL && (*list)->gdbarch != new_gdbarch;
|
|
list = &(*list)->next);
|
|
/* It had better be in the list of architectures. */
|
|
gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
|
|
/* Unlink THIS. */
|
|
this = (*list);
|
|
(*list) = this->next;
|
|
/* Insert THIS at the front. */
|
|
this->next = rego->arches;
|
|
rego->arches = this;
|
|
/* Return it. */
|
|
return new_gdbarch;
|
|
}
|
|
|
|
/* It's a new architecture. */
|
|
if (gdbarch_debug)
|
|
fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
|
|
"New architecture %s (%s) selected\n",
|
|
host_address_to_string (new_gdbarch),
|
|
new_gdbarch->bfd_arch_info->printable_name);
|
|
|
|
/* Insert the new architecture into the front of the architecture
|
|
list (keep the list sorted Most Recently Used). */
|
|
{
|
|
struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
|
|
this->next = rego->arches;
|
|
this->gdbarch = new_gdbarch;
|
|
rego->arches = this;
|
|
}
|
|
|
|
/* Check that the newly installed architecture is valid. Plug in
|
|
any post init values. */
|
|
new_gdbarch->dump_tdep = rego->dump_tdep;
|
|
verify_gdbarch (new_gdbarch);
|
|
new_gdbarch->initialized_p = 1;
|
|
|
|
if (gdbarch_debug)
|
|
gdbarch_dump (new_gdbarch, gdb_stdlog);
|
|
|
|
return new_gdbarch;
|
|
}
|
|
|
|
/* Make the specified architecture current. */
|
|
|
|
void
|
|
deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch)
|
|
{
|
|
gdb_assert (new_gdbarch != NULL);
|
|
gdb_assert (new_gdbarch->initialized_p);
|
|
target_gdbarch = new_gdbarch;
|
|
observer_notify_architecture_changed (new_gdbarch);
|
|
registers_changed ();
|
|
}
|
|
|
|
extern void _initialize_gdbarch (void);
|
|
|
|
void
|
|
_initialize_gdbarch (void)
|
|
{
|
|
add_setshow_zinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\
|
|
Set architecture debugging."), _("\\
|
|
Show architecture debugging."), _("\\
|
|
When non-zero, architecture debugging is enabled."),
|
|
NULL,
|
|
show_gdbarch_debug,
|
|
&setdebuglist, &showdebuglist);
|
|
}
|
|
EOF
|
|
|
|
# close things off
|
|
exec 1>&2
|
|
#../move-if-change new-gdbarch.c gdbarch.c
|
|
compare_new gdbarch.c
|