Subversion Repositories openrisc_2011-10-31

#!/bin/sh -u

# Architecture commands for GDB, the GNU debugger.

#

# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,

# 2008, 2009, 2010 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/>.

# Make certain that the script is not running in an internationalized

# environment.

LANG=C ; export LANG

LC_ALL=C ; export LC_ALL

compare_new ()

{

    file=$1

    if test ! -r ${file}

    then

        echo "${file} missing? cp new-${file} ${file}" 1>&2

    elif diff -u ${file} new-${file}

    then

        echo "${file} unchanged" 1>&2

    else

        echo "${file} has changed? cp new-${file} ${file}" 1>&2

    fi

}

# Format of the input table

read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol"

do_read ()

{

    comment=""

    class=""

    while read line

    do

        if test "${line}" = ""

        then

            continue

        elif test "${line}" = "#" -a "${comment}" = ""

        then

            continue

        elif expr "${line}" : "#" > /dev/null

        then

            comment="${comment}

${line}"

        else

            # The semantics of IFS varies between different SH's.  Some

            # treat ``::' as three fields while some treat it as just too.

            # Work around this by eliminating ``::'' ....

            line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"

            OFS="${IFS}" ; IFS="[:]"

            eval read ${read} <<EOF

${line}

EOF

            IFS="${OFS}"

            if test -n "${garbage_at_eol}"

            then

                echo "Garbage at end-of-line in ${line}" 1>&2

                kill $$

                exit 1

            fi

            # .... and then going back through each field and strip out those

            # that ended up with just that space character.

            for r in ${read}

            do

                if eval test \"\${${r}}\" = \"\ \"

                then

                    eval ${r}=""

                fi

            done

            case "${class}" in

                m ) staticdefault="${predefault}" ;;

                M ) staticdefault="0" ;;

                * ) test "${staticdefault}" || staticdefault=0 ;;

            esac

            case "${class}" in

            F | V | M )

                case "${invalid_p}" in

                "" )

                    if test -n "${predefault}"

                    then

                        #invalid_p="gdbarch->${function} == ${predefault}"

                        predicate="gdbarch->${function} != ${predefault}"

                    elif class_is_variable_p

                    then

                        predicate="gdbarch->${function} != 0"

                    elif class_is_function_p

                    then

                        predicate="gdbarch->${function} != NULL"

                    fi

                    ;;

                * )

                    echo "Predicate function ${function} with invalid_p." 1>&2

                    kill $$

                    exit 1

                    ;;

                esac

            esac

            # PREDEFAULT is a valid fallback definition of MEMBER when

            # multi-arch is not enabled.  This ensures that the

            # default value, when multi-arch is the same as the

            # default value when not multi-arch.  POSTDEFAULT is

            # always a valid definition of MEMBER as this again

            # ensures consistency.

            if [ -n "${postdefault}" ]

            then

                fallbackdefault="${postdefault}"

            elif [ -n "${predefault}" ]

            then

                fallbackdefault="${predefault}"

            else

                fallbackdefault="0"

            fi

            #NOT YET: See gdbarch.log for basic verification of

            # database

            break

        fi

    done

    if [ -n "${class}" ]

    then

        true

    else

        false

    fi

}

fallback_default_p ()

{

    [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \

        || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ]

}

class_is_variable_p ()

{

    case "${class}" in

        *v* | *V* ) true ;;

        * ) false ;;

    esac

}

class_is_function_p ()

{

    case "${class}" in

        *f* | *F* | *m* | *M* ) true ;;

        * ) false ;;

    esac

}

class_is_multiarch_p ()

{

    case "${class}" in

        *m* | *M* ) true ;;

        * ) false ;;

    esac

}

class_is_predicate_p ()

{

    case "${class}" in

        *F* | *V* | *M* ) true ;;

        * ) false ;;

    esac

}

class_is_info_p ()

{

    case "${class}" in

        *i* ) true ;;

        * ) false ;;

    esac

}

# dump out/verify the doco

for field in ${read}

do

  case ${field} in

    class ) : ;;

        # # -> line disable

        # f -> function

        #   hiding a function

        # F -> function + predicate

        #   hiding a function + predicate to test function validity

        # v -> variable

        #   hiding a variable

        # V -> variable + predicate

        #   hiding a variable + predicate to test variables validity

        # i -> set from info

        #   hiding something from the ``struct info'' object

        # m -> multi-arch function

        #   hiding a multi-arch function (parameterised with the architecture)

        # M -> multi-arch function + predicate

        #   hiding a multi-arch function + predicate to test function validity

    returntype ) : ;;

        # For functions, the return type; for variables, the data type

    function ) : ;;

        # For functions, the member function name; for variables, the

        # variable name.  Member function names are always prefixed with

        # ``gdbarch_'' for name-space purity.

    formal ) : ;;

        # The formal argument list.  It is assumed that the formal

        # argument list includes the actual name of each list element.

        # A function with no arguments shall have ``void'' as the

        # formal argument list.

    actual ) : ;;

        # The list of actual arguments.  The arguments specified shall

        # match the FORMAL list given above.  Functions with out

        # arguments leave this blank.

    staticdefault ) : ;;

        # To help with the GDB startup a static gdbarch object is

        # created.  STATICDEFAULT is the value to insert into that

        # static gdbarch object.  Since this a static object only

        # simple expressions can be used.

        # If STATICDEFAULT is empty, zero is used.

    predefault ) : ;;

        # An initial value to assign to MEMBER of the freshly

        # malloc()ed gdbarch object.  After initialization, the

        # freshly malloc()ed object is passed to the target

        # architecture code for further updates.

        # If PREDEFAULT is empty, zero is used.

        # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero

        # INVALID_P are specified, PREDEFAULT will be used as the

        # default for the non- multi-arch target.

        # A zero PREDEFAULT function will force the fallback to call

        # internal_error().

        # Variable declarations can refer to ``gdbarch'' which will

        # contain the current architecture.  Care should be taken.

    postdefault ) : ;;

        # A value to assign to MEMBER of the new gdbarch object should

        # the target architecture code fail to change the PREDEFAULT

        # value.

        # If POSTDEFAULT is empty, no post update is performed.

        # If both INVALID_P and POSTDEFAULT are non-empty then

        # INVALID_P will be used to determine if MEMBER should be

        # changed to POSTDEFAULT.

        # If a non-empty POSTDEFAULT and a zero INVALID_P are

        # specified, POSTDEFAULT will be used as the default for the

        # non- multi-arch target (regardless of the value of

        # PREDEFAULT).

        # You cannot specify both a zero INVALID_P and a POSTDEFAULT.

        # Variable declarations can refer to ``gdbarch'' which

        # will contain the current architecture.  Care should be

        # taken.

    invalid_p ) : ;;

        # A predicate equation that validates MEMBER.  Non-zero is

        # returned if the code creating the new architecture failed to

        # initialize MEMBER or the initialized the member is invalid.

        # If POSTDEFAULT is non-empty then MEMBER will be updated to

        # that value.  If POSTDEFAULT is empty then internal_error()

        # is called.

        # If INVALID_P is empty, a check that MEMBER is no longer

        # equal to PREDEFAULT is used.

        # The expression ``0'' disables the INVALID_P check making

        # PREDEFAULT a legitimate value.

        # See also PREDEFAULT and POSTDEFAULT.

    print ) : ;;

        # An optional expression that convers MEMBER to a value

        # suitable for formatting using %s.

        # If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR)

        # or plongest (anything else) is used.

    garbage_at_eol ) : ;;

        # Catches stray fields.

    *)

        echo "Bad field ${field}"

        exit 1;;

  esac

done

function_list ()

{

  # See below (DOCO) for description of each field

  cat <<EOF

i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name

#

i:int:byte_order:::BFD_ENDIAN_BIG

i:int:byte_order_for_code:::BFD_ENDIAN_BIG

#

i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN

#

i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc)

# The bit byte-order has to do just with numbering of bits in debugging symbols

# and such.  Conceptually, it's quite separate from byte/word byte order.

v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0

# Number of bits in a char or unsigned char for the target machine.

# Just like CHAR_BIT in <limits.h> but describes the target machine.

# v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:

#

# Number of bits in a short or unsigned short for the target machine.

v:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0

# Number of bits in an int or unsigned int for the target machine.

v:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0

# Number of bits in a long or unsigned long for the target machine.

v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0

# Number of bits in a long long or unsigned long long for the target

# machine.

v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0

# The ABI default bit-size and format for "half", "float", "double", and

# "long double".  These bit/format pairs should eventually be combined

# into a single object.  For the moment, just initialize them as a pair.

# Each format describes both the big and little endian layouts (if

# useful).

v:int:half_bit:::16:2*TARGET_CHAR_BIT::0

v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format)

v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0

v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format)

v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0

v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format)

v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0

v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format)

# For most targets, a pointer on the target and its representation as an

# address in GDB have the same size and "look the same".  For such a

# target, you need only set gdbarch_ptr_bit and gdbarch_addr_bit

# / addr_bit will be set from it.

#

# If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably

# also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer

# as well.

#

# ptr_bit is the size of a pointer on the target

v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0

# addr_bit is the size of a target address as represented in gdb

v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch):

#

# One if \`char' acts like \`signed char', zero if \`unsigned char'.

v:int:char_signed:::1:-1:1

#

F:CORE_ADDR:read_pc:struct regcache *regcache:regcache

F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val

# Function for getting target's idea of a frame pointer.  FIXME: GDB's

# whole scheme for dealing with "frames" and "frame pointers" needs a

# serious shakedown.

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

#

M:void:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf

M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf

#

v:int:num_regs:::0:-1

# This macro gives the number of pseudo-registers that live in the

# register namespace but do not get fetched or stored on the target.

# These pseudo-registers may be aliases for other registers,

# combinations of other registers, or they may be computed by GDB.

v:int:num_pseudo_regs:::0:0::0

# GDB's standard (or well known) register numbers.  These can map onto

# a real register or a pseudo (computed) register or not be defined at

# all (-1).

# gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP.

v:int:sp_regnum:::-1:-1::0

v:int:pc_regnum:::-1:-1::0

v:int:ps_regnum:::-1:-1::0

v:int:fp0_regnum:::0:-1::0

# Convert stab register number (from \`r\' declaration) to a gdb REGNUM.

m:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0

# Provide a default mapping from a ecoff register number to a gdb REGNUM.

m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0

# Convert from an sdb register number to an internal gdb register number.

m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0

# Provide a default mapping from a DWARF2 register number to a gdb REGNUM.

m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0

m:const char *:register_name:int regnr:regnr::0

# Return the type of a register specified by the architecture.  Only

# the register cache should call this function directly; others should

# use "register_type".

M:struct type *:register_type:int reg_nr:reg_nr

# See gdbint.texinfo, and PUSH_DUMMY_CALL.

M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame

# Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete

# deprecated_fp_regnum.

v:int:deprecated_fp_regnum:::-1:-1::0

# 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:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf:frame, regnum, type, buf: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

# When creating core dumps, some systems encode the PID in addition

# to the LWP id in core file register section names.  In those cases, the

# "XXX" in ".reg/XXX" is encoded as [LWPID << 16 | PID].  This setting

# is set to true for such architectures; false if "XXX" represents an LWP

# or thread id with no special encoding.

v:int:core_reg_section_encodes_pid:::0:0::0

# 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_stratum layer 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:::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

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;

/* 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"