3 # Architecture commands for GDB, the GNU debugger.
5 # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
9 # This file is part of GDB.
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2 of the License, or
14 # (at your option) any later version.
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program; if not, write to the Free Software
23 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 # Make certain that the script is running in an internationalized
28 LC_ALL
=c
; export LC_ALL
36 echo "${file} missing? cp new-${file} ${file}" 1>&2
37 elif diff -u ${file} new-
${file}
39 echo "${file} unchanged" 1>&2
41 echo "${file} has changed? cp new-${file} ${file}" 1>&2
46 # Format of the input table
47 read="class macro returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol"
55 if test "${line}" = ""
58 elif test "${line}" = "#" -a "${comment}" = ""
61 elif expr "${line}" : "#" > /dev
/null
67 # The semantics of IFS varies between different SH's. Some
68 # treat ``::' as three fields while some treat it as just too.
69 # Work around this by eliminating ``::'' ....
70 line
="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
72 OFS
="${IFS}" ; IFS
="[:]"
73 eval read ${read} <<EOF
78 if test -n "${garbage_at_eol}"
80 echo "Garbage at end-of-line in ${line}" 1>&2
85 # .... and then going back through each field and strip out those
86 # that ended up with just that space character.
89 if eval test \"\
${${r}}\" = \"\
\"
95 FUNCTION
=`echo ${function} | tr '[a-z]' '[A-Z]'`
96 if test "x${macro}" = "x="
98 # Provide a UCASE version of function (for when there isn't MACRO)
100 elif test "${macro}" = "${FUNCTION}"
102 echo "${function}: Specify = for macro field" 1>&2
107 # Check that macro definition wasn't supplied for multi-arch
110 if test "${macro}" != ""
112 echo "Error: Function ${function} multi-arch yet macro ${macro} supplied" 1>&2
119 m
) staticdefault
="${predefault}" ;;
120 M
) staticdefault
="0" ;;
121 * ) test "${staticdefault}" || staticdefault
=0 ;;
126 case "${invalid_p}" in
128 if test -n "${predefault}"
130 #invalid_p="gdbarch->${function} == ${predefault}"
131 predicate
="gdbarch->${function} != ${predefault}"
132 elif class_is_variable_p
134 predicate
="gdbarch->${function} != 0"
135 elif class_is_function_p
137 predicate
="gdbarch->${function} != NULL"
141 echo "Predicate function ${function} with invalid_p." 1>&2
148 # PREDEFAULT is a valid fallback definition of MEMBER when
149 # multi-arch is not enabled. This ensures that the
150 # default value, when multi-arch is the same as the
151 # default value when not multi-arch. POSTDEFAULT is
152 # always a valid definition of MEMBER as this again
153 # ensures consistency.
155 if [ -n "${postdefault}" ]
157 fallbackdefault
="${postdefault}"
158 elif [ -n "${predefault}" ]
160 fallbackdefault
="${predefault}"
165 #NOT YET: See gdbarch.log for basic verification of
180 fallback_default_p
()
182 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
183 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
186 class_is_variable_p
()
194 class_is_function_p
()
197 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
202 class_is_multiarch_p
()
210 class_is_predicate_p
()
213 *F
* |
*V
* |
*M
* ) true
;;
227 # dump out/verify the doco
237 # F -> function + predicate
238 # hiding a function + predicate to test function validity
241 # V -> variable + predicate
242 # hiding a variable + predicate to test variables validity
244 # hiding something from the ``struct info'' object
245 # m -> multi-arch function
246 # hiding a multi-arch function (parameterised with the architecture)
247 # M -> multi-arch function + predicate
248 # hiding a multi-arch function + predicate to test function validity
252 # The name of the legacy C macro by which this method can be
253 # accessed. If empty, no macro is defined. If "=", a macro
254 # formed from the upper-case function name is used.
258 # For functions, the return type; for variables, the data type
262 # For functions, the member function name; for variables, the
263 # variable name. Member function names are always prefixed with
264 # ``gdbarch_'' for name-space purity.
268 # The formal argument list. It is assumed that the formal
269 # argument list includes the actual name of each list element.
270 # A function with no arguments shall have ``void'' as the
271 # formal argument list.
275 # The list of actual arguments. The arguments specified shall
276 # match the FORMAL list given above. Functions with out
277 # arguments leave this blank.
281 # To help with the GDB startup a static gdbarch object is
282 # created. STATICDEFAULT is the value to insert into that
283 # static gdbarch object. Since this a static object only
284 # simple expressions can be used.
286 # If STATICDEFAULT is empty, zero is used.
290 # An initial value to assign to MEMBER of the freshly
291 # malloc()ed gdbarch object. After initialization, the
292 # freshly malloc()ed object is passed to the target
293 # architecture code for further updates.
295 # If PREDEFAULT is empty, zero is used.
297 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
298 # INVALID_P are specified, PREDEFAULT will be used as the
299 # default for the non- multi-arch target.
301 # A zero PREDEFAULT function will force the fallback to call
304 # Variable declarations can refer to ``gdbarch'' which will
305 # contain the current architecture. Care should be taken.
309 # A value to assign to MEMBER of the new gdbarch object should
310 # the target architecture code fail to change the PREDEFAULT
313 # If POSTDEFAULT is empty, no post update is performed.
315 # If both INVALID_P and POSTDEFAULT are non-empty then
316 # INVALID_P will be used to determine if MEMBER should be
317 # changed to POSTDEFAULT.
319 # If a non-empty POSTDEFAULT and a zero INVALID_P are
320 # specified, POSTDEFAULT will be used as the default for the
321 # non- multi-arch target (regardless of the value of
324 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
326 # Variable declarations can refer to ``current_gdbarch'' which
327 # will contain the current architecture. Care should be
332 # A predicate equation that validates MEMBER. Non-zero is
333 # returned if the code creating the new architecture failed to
334 # initialize MEMBER or the initialized the member is invalid.
335 # If POSTDEFAULT is non-empty then MEMBER will be updated to
336 # that value. If POSTDEFAULT is empty then internal_error()
339 # If INVALID_P is empty, a check that MEMBER is no longer
340 # equal to PREDEFAULT is used.
342 # The expression ``0'' disables the INVALID_P check making
343 # PREDEFAULT a legitimate value.
345 # See also PREDEFAULT and POSTDEFAULT.
349 # An optional expression that convers MEMBER to a value
350 # suitable for formatting using %s.
352 # If PRINT is empty, paddr_nz (for CORE_ADDR) or paddr_d
353 # (anything else) is used.
355 garbage_at_eol
) : ;;
357 # Catches stray fields.
360 echo "Bad field ${field}"
368 # See below (DOCO) for description of each field
370 i:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::TARGET_ARCHITECTURE->printable_name
372 i:TARGET_BYTE_ORDER:int:byte_order:::BFD_ENDIAN_BIG
374 i:TARGET_OSABI:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN
375 # Number of bits in a char or unsigned char for the target machine.
376 # Just like CHAR_BIT in <limits.h> but describes the target machine.
377 # v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
379 # Number of bits in a short or unsigned short for the target machine.
380 v:TARGET_SHORT_BIT:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0
381 # Number of bits in an int or unsigned int for the target machine.
382 v:TARGET_INT_BIT:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0
383 # Number of bits in a long or unsigned long for the target machine.
384 v:TARGET_LONG_BIT:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0
385 # Number of bits in a long long or unsigned long long for the target
387 v:TARGET_LONG_LONG_BIT:int:long_long_bit:::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
389 # The ABI default bit-size and format for "float", "double", and "long
390 # double". These bit/format pairs should eventually be combined into
391 # a single object. For the moment, just initialize them as a pair.
393 v:TARGET_FLOAT_BIT:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0
394 v:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format:::::default_float_format (current_gdbarch)::pformat (current_gdbarch->float_format)
395 v:TARGET_DOUBLE_BIT:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0
396 v:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format:::::default_double_format (current_gdbarch)::pformat (current_gdbarch->double_format)
397 v:TARGET_LONG_DOUBLE_BIT:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
398 v:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format:::::default_double_format (current_gdbarch)::pformat (current_gdbarch->long_double_format)
400 # For most targets, a pointer on the target and its representation as an
401 # address in GDB have the same size and "look the same". For such a
402 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
403 # / addr_bit will be set from it.
405 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
406 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
408 # ptr_bit is the size of a pointer on the target
409 v:TARGET_PTR_BIT:int:ptr_bit:::8 * sizeof (void*):TARGET_INT_BIT::0
410 # addr_bit is the size of a target address as represented in gdb
411 v:TARGET_ADDR_BIT:int:addr_bit:::8 * sizeof (void*):0:TARGET_PTR_BIT:
412 # Number of bits in a BFD_VMA for the target object file format.
413 v:TARGET_BFD_VMA_BIT:int:bfd_vma_bit:::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
415 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
416 v:TARGET_CHAR_SIGNED:int:char_signed:::1:-1:1
418 F:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
419 f:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid:0:generic_target_write_pc::0
420 # UNWIND_SP is a direct replacement for TARGET_READ_SP.
421 F:TARGET_READ_SP:CORE_ADDR:read_sp:void
422 # Function for getting target's idea of a frame pointer. FIXME: GDB's
423 # whole scheme for dealing with "frames" and "frame pointers" needs a
425 f:TARGET_VIRTUAL_FRAME_POINTER:void:virtual_frame_pointer:CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset:pc, frame_regnum, frame_offset:0:legacy_virtual_frame_pointer::0
427 M::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf
428 M::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf
430 v:=:int:num_regs:::0:-1
431 # This macro gives the number of pseudo-registers that live in the
432 # register namespace but do not get fetched or stored on the target.
433 # These pseudo-registers may be aliases for other registers,
434 # combinations of other registers, or they may be computed by GDB.
435 v:=:int:num_pseudo_regs:::0:0::0
437 # GDB's standard (or well known) register numbers. These can map onto
438 # a real register or a pseudo (computed) register or not be defined at
440 # SP_REGNUM will hopefully be replaced by UNWIND_SP.
441 v:=:int:sp_regnum:::-1:-1::0
442 v:=:int:pc_regnum:::-1:-1::0
443 v:=:int:ps_regnum:::-1:-1::0
444 v:=:int:fp0_regnum:::0:-1::0
445 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
446 f:=:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0
447 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
448 f:=:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0
449 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
450 f:=:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr::no_op_reg_to_regnum::0
451 # Convert from an sdb register number to an internal gdb register number.
452 f:=:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0
453 f:=:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0
454 f:=:const char *:register_name:int regnr:regnr
456 # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE.
457 M::struct type *:register_type:int reg_nr:reg_nr
458 # If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
459 # register offsets computed using just REGISTER_TYPE, this can be
460 # deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
461 # function with predicate has a valid (callable) initial value. As a
462 # consequence, even when the predicate is false, the corresponding
463 # function works. This simplifies the migration process - old code,
464 # calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified.
465 F:=:int:deprecated_register_byte:int reg_nr:reg_nr:generic_register_byte:generic_register_byte
467 # See gdbint.texinfo, and PUSH_DUMMY_CALL.
468 M::struct frame_id:unwind_dummy_id:struct frame_info *info:info
469 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
470 # DEPRECATED_FP_REGNUM.
471 v:=:int:deprecated_fp_regnum:::-1:-1::0
473 # See gdbint.texinfo. See infcall.c. New, all singing all dancing,
474 # replacement for DEPRECATED_PUSH_ARGUMENTS.
475 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
476 # PUSH_DUMMY_CALL is a direct replacement for DEPRECATED_PUSH_ARGUMENTS.
477 F:=:CORE_ADDR:deprecated_push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr
478 # DEPRECATED_REGISTER_SIZE can be deleted.
479 v:=:int:deprecated_register_size
480 v:=:int:call_dummy_location::::AT_ENTRY_POINT::0
481 M::CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr:sp, funaddr, using_gcc, args, nargs, value_type, real_pc, bp_addr
483 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
484 M::void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
485 M::void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
486 # MAP a GDB RAW register number onto a simulator register number. See
487 # also include/...-sim.h.
488 f:=:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0
489 F:=:int:register_bytes_ok:long nr_bytes:nr_bytes
490 f:=:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0
491 f:=:int:cannot_store_register:int regnum:regnum::cannot_register_not::0
492 # setjmp/longjmp support.
493 F:=:int:get_longjmp_target:CORE_ADDR *pc:pc
495 v:=:int:believe_pcc_promotion:::::::
497 f:=:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0
498 f:=:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, void *buf:frame, regnum, type, buf:0
499 f:=:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const void *buf:frame, regnum, type, buf:0
501 f:=:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf::unsigned_pointer_to_address::0
502 f:=:void:address_to_pointer:struct type *type, void *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0
503 F:=:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
505 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
506 F:=:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
508 # It has been suggested that this, well actually its predecessor,
509 # should take the type/value of the function to be called and not the
510 # return type. This is left as an exercise for the reader.
512 # NOTE: cagney/2004-06-13: The function stack.c:return_command uses
513 # the predicate with default hack to avoid calling STORE_RETURN_VALUE
514 # (via legacy_return_value), when a small struct is involved.
516 M::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, void *readbuf, const void *writebuf:valtype, regcache, readbuf, writebuf::legacy_return_value
518 # The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE,
519 # DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
520 # DEPRECATED_USE_STRUCT_CONVENTION have all been folded into
523 f:=:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf::legacy_extract_return_value::0
524 f:=:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf::legacy_store_return_value::0
525 f:=:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
526 f:=:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
527 f:=:int:deprecated_use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type::generic_use_struct_convention::0
529 # As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
530 # ABI suitable for the implementation of a robust extract
531 # struct-convention return-value address method (the sparc saves the
532 # address in the callers frame). All the other cases so far examined,
533 # the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
534 # erreneous - the code was incorrectly assuming that the return-value
535 # address, stored in a register, was preserved across the entire
538 # For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
539 # the ABIs that are still to be analyzed - perhaps this should simply
540 # be deleted. The commented out extract_returned_value_address method
541 # is provided as a starting point for the 32-bit SPARC. It, or
542 # something like it, along with changes to both infcmd.c and stack.c
543 # will be needed for that case to work. NB: It is passed the callers
544 # frame since it is only after the callee has returned that this
547 #M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame
548 F:=:CORE_ADDR:deprecated_extract_struct_value_address:struct regcache *regcache:regcache
551 f:=:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
552 f:=:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0
553 f:=:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0:
554 M::CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
555 f:=:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache:0:default_memory_insert_breakpoint::0
556 f:=:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache:0:default_memory_remove_breakpoint::0
557 v:=:CORE_ADDR:decr_pc_after_break:::0:::0
559 # A function can be addressed by either it's "pointer" (possibly a
560 # descriptor address) or "entry point" (first executable instruction).
561 # The method "convert_from_func_ptr_addr" converting the former to the
562 # latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement
563 # a simplified subset of that functionality - the function's address
564 # corresponds to the "function pointer" and the function's start
565 # corresponds to the "function entry point" - and hence is redundant.
567 v:=:CORE_ADDR:deprecated_function_start_offset:::0:::0
569 m::void:remote_translate_xfer_address:struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:regcache, gdb_addr, gdb_len, rem_addr, rem_len::generic_remote_translate_xfer_address::0
571 v:=:CORE_ADDR:frame_args_skip:::0:::0
572 M::CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
573 M::CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
574 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
575 # frame-base. Enable frame-base before frame-unwind.
576 F:=:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
577 F:=:int:frame_num_args:struct frame_info *frame:frame
579 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
580 # to frame_align and the requirement that methods such as
581 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
583 F:=:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
584 M::CORE_ADDR:frame_align:CORE_ADDR address:address
585 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
586 # stabs_argument_has_addr.
587 F:=:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
588 m::int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0
589 v:=:int:frame_red_zone_size
591 m::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_addr_identity::0
592 # On some machines there are bits in addresses which are not really
593 # part of the address, but are used by the kernel, the hardware, etc.
594 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
595 # we get a "real" address such as one would find in a symbol table.
596 # This is used only for addresses of instructions, and even then I'm
597 # not sure it's used in all contexts. It exists to deal with there
598 # being a few stray bits in the PC which would mislead us, not as some
599 # sort of generic thing to handle alignment or segmentation (it's
600 # possible it should be in TARGET_READ_PC instead).
601 f:=:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0
602 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
604 f:=:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr::core_addr_identity::0
605 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
606 # the target needs software single step. An ISA method to implement it.
608 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
609 # using the breakpoint system instead of blatting memory directly (as with rs6000).
611 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
612 # single step. If not, then implement single step using breakpoints.
613 F:=:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
614 # Return non-zero if the processor is executing a delay slot and a
615 # further single-step is needed before the instruction finishes.
616 M::int:single_step_through_delay:struct frame_info *frame:frame
617 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
618 # disassembler. Perhaps objdump can handle it?
619 f:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0:
620 f:=:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc::generic_skip_trampoline_code::0
623 # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
624 # evaluates non-zero, this is the address where the debugger will place
625 # a step-resume breakpoint to get us past the dynamic linker.
626 m::CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0
627 # Some systems also have trampoline code for returning from shared libs.
628 f:=:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name::generic_in_solib_return_trampoline::0
630 # A target might have problems with watchpoints as soon as the stack
631 # frame of the current function has been destroyed. This mostly happens
632 # as the first action in a funtion's epilogue. in_function_epilogue_p()
633 # is defined to return a non-zero value if either the given addr is one
634 # instruction after the stack destroying instruction up to the trailing
635 # return instruction or if we can figure out that the stack frame has
636 # already been invalidated regardless of the value of addr. Targets
637 # which don't suffer from that problem could just let this functionality
639 m::int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0
640 # Given a vector of command-line arguments, return a newly allocated
641 # string which, when passed to the create_inferior function, will be
642 # parsed (on Unix systems, by the shell) to yield the same vector.
643 # This function should call error() if the argument vector is not
644 # representable for this target or if this target does not support
645 # command-line arguments.
646 # ARGC is the number of elements in the vector.
647 # ARGV is an array of strings, one per argument.
648 m::char *:construct_inferior_arguments:int argc, char **argv:argc, argv::construct_inferior_arguments::0
649 f:=:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0
650 f:=:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0
651 v:=:const char *:name_of_malloc:::"malloc":"malloc"::0:NAME_OF_MALLOC
652 v:=:int:cannot_step_breakpoint:::0:0::0
653 v:=:int:have_nonsteppable_watchpoint:::0:0::0
654 F:=:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
655 M::const char *:address_class_type_flags_to_name:int type_flags:type_flags
656 M::int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
657 # Is a register in a group
658 m::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0
659 # Fetch the pointer to the ith function argument.
660 F:=:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
662 # Return the appropriate register set for a core file section with
663 # name SECT_NAME and size SECT_SIZE.
664 M::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
671 exec > new-gdbarch.log
672 function_list |
while do_read
675 ${class} ${returntype} ${function} ($formal)
679 eval echo \"\ \ \ \
${r}=\
${${r}}\"
681 if class_is_predicate_p
&& fallback_default_p
683 echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2
687 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
689 echo "Error: postdefault is useless when invalid_p=0" 1>&2
693 if class_is_multiarch_p
695 if class_is_predicate_p
; then :
696 elif test "x${predefault}" = "x"
698 echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2
707 compare_new gdbarch.log
713 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
715 /* Dynamic architecture support for GDB, the GNU debugger.
717 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
718 Software Foundation, Inc.
720 This file is part of GDB.
722 This program is free software; you can redistribute it and/or modify
723 it under the terms of the GNU General Public License as published by
724 the Free Software Foundation; either version 2 of the License, or
725 (at your option) any later version.
727 This program is distributed in the hope that it will be useful,
728 but WITHOUT ANY WARRANTY; without even the implied warranty of
729 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
730 GNU General Public License for more details.
732 You should have received a copy of the GNU General Public License
733 along with this program; if not, write to the Free Software
734 Foundation, Inc., 59 Temple Place - Suite 330,
735 Boston, MA 02111-1307, USA. */
737 /* This file was created with the aid of \`\`gdbarch.sh''.
739 The Bourne shell script \`\`gdbarch.sh'' creates the files
740 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
741 against the existing \`\`gdbarch.[hc]''. Any differences found
744 If editing this file, please also run gdbarch.sh and merge any
745 changes into that script. Conversely, when making sweeping changes
746 to this file, modifying gdbarch.sh and using its output may prove
767 struct minimal_symbol;
771 struct disassemble_info;
775 extern struct gdbarch *current_gdbarch;
781 printf "/* The following are pre-initialized by GDBARCH. */\n"
782 function_list |
while do_read
787 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
788 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
789 if test -n "${macro}"
791 printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
792 printf "#error \"Non multi-arch definition of ${macro}\"\n"
794 printf "#if !defined (${macro})\n"
795 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
804 printf "/* The following are initialized by the target dependent code. */\n"
805 function_list |
while do_read
807 if [ -n "${comment}" ]
809 echo "${comment}" |
sed \
815 if class_is_predicate_p
817 if test -n "${macro}"
820 printf "#if defined (${macro})\n"
821 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
822 printf "#if !defined (${macro}_P)\n"
823 printf "#define ${macro}_P() (1)\n"
828 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
829 if test -n "${macro}"
831 printf "#if !defined (GDB_TM_FILE) && defined (${macro}_P)\n"
832 printf "#error \"Non multi-arch definition of ${macro}\"\n"
834 printf "#if !defined (${macro}_P)\n"
835 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
839 if class_is_variable_p
842 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
843 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
844 if test -n "${macro}"
846 printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
847 printf "#error \"Non multi-arch definition of ${macro}\"\n"
849 printf "#if !defined (${macro})\n"
850 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
854 if class_is_function_p
857 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
859 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
860 elif class_is_multiarch_p
862 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
864 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
866 if [ "x${formal}" = "xvoid" ]
868 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
870 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
872 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
873 if test -n "${macro}"
875 printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
876 printf "#error \"Non multi-arch definition of ${macro}\"\n"
878 if [ "x${actual}" = "x" ]
880 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
881 elif [ "x${actual}" = "x-" ]
883 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
885 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
887 printf "#if !defined (${macro})\n"
888 if [ "x${actual}" = "x" ]
890 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
891 elif [ "x${actual}" = "x-" ]
893 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
895 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
905 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
908 /* Mechanism for co-ordinating the selection of a specific
911 GDB targets (*-tdep.c) can register an interest in a specific
912 architecture. Other GDB components can register a need to maintain
913 per-architecture data.
915 The mechanisms below ensures that there is only a loose connection
916 between the set-architecture command and the various GDB
917 components. Each component can independently register their need
918 to maintain architecture specific data with gdbarch.
922 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
925 The more traditional mega-struct containing architecture specific
926 data for all the various GDB components was also considered. Since
927 GDB is built from a variable number of (fairly independent)
928 components it was determined that the global aproach was not
932 /* Register a new architectural family with GDB.
934 Register support for the specified ARCHITECTURE with GDB. When
935 gdbarch determines that the specified architecture has been
936 selected, the corresponding INIT function is called.
940 The INIT function takes two parameters: INFO which contains the
941 information available to gdbarch about the (possibly new)
942 architecture; ARCHES which is a list of the previously created
943 \`\`struct gdbarch'' for this architecture.
945 The INFO parameter is, as far as possible, be pre-initialized with
946 information obtained from INFO.ABFD or the previously selected
949 The ARCHES parameter is a linked list (sorted most recently used)
950 of all the previously created architures for this architecture
951 family. The (possibly NULL) ARCHES->gdbarch can used to access
952 values from the previously selected architecture for this
953 architecture family. The global \`\`current_gdbarch'' shall not be
956 The INIT function shall return any of: NULL - indicating that it
957 doesn't recognize the selected architecture; an existing \`\`struct
958 gdbarch'' from the ARCHES list - indicating that the new
959 architecture is just a synonym for an earlier architecture (see
960 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
961 - that describes the selected architecture (see gdbarch_alloc()).
963 The DUMP_TDEP function shall print out all target specific values.
964 Care should be taken to ensure that the function works in both the
965 multi-arch and non- multi-arch cases. */
969 struct gdbarch *gdbarch;
970 struct gdbarch_list *next;
975 /* Use default: NULL (ZERO). */
976 const struct bfd_arch_info *bfd_arch_info;
978 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
981 /* Use default: NULL (ZERO). */
984 /* Use default: NULL (ZERO). */
985 struct gdbarch_tdep_info *tdep_info;
987 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
988 enum gdb_osabi osabi;
991 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
992 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
994 /* DEPRECATED - use gdbarch_register() */
995 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
997 extern void gdbarch_register (enum bfd_architecture architecture,
998 gdbarch_init_ftype *,
999 gdbarch_dump_tdep_ftype *);
1002 /* Return a freshly allocated, NULL terminated, array of the valid
1003 architecture names. Since architectures are registered during the
1004 _initialize phase this function only returns useful information
1005 once initialization has been completed. */
1007 extern const char **gdbarch_printable_names (void);
1010 /* Helper function. Search the list of ARCHES for a GDBARCH that
1011 matches the information provided by INFO. */
1013 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1016 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1017 basic initialization using values obtained from the INFO andTDEP
1018 parameters. set_gdbarch_*() functions are called to complete the
1019 initialization of the object. */
1021 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1024 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1025 It is assumed that the caller freeds the \`\`struct
1028 extern void gdbarch_free (struct gdbarch *);
1031 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1032 obstack. The memory is freed when the corresponding architecture
1035 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1036 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1037 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1040 /* Helper function. Force an update of the current architecture.
1042 The actual architecture selected is determined by INFO, \`\`(gdb) set
1043 architecture'' et.al., the existing architecture and BFD's default
1044 architecture. INFO should be initialized to zero and then selected
1045 fields should be updated.
1047 Returns non-zero if the update succeeds */
1049 extern int gdbarch_update_p (struct gdbarch_info info);
1052 /* Helper function. Find an architecture matching info.
1054 INFO should be initialized using gdbarch_info_init, relevant fields
1055 set, and then finished using gdbarch_info_fill.
1057 Returns the corresponding architecture, or NULL if no matching
1058 architecture was found. "current_gdbarch" is not updated. */
1060 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1063 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1065 FIXME: kettenis/20031124: Of the functions that follow, only
1066 gdbarch_from_bfd is supposed to survive. The others will
1067 dissappear since in the future GDB will (hopefully) be truly
1068 multi-arch. However, for now we're still stuck with the concept of
1069 a single active architecture. */
1071 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1074 /* Register per-architecture data-pointer.
1076 Reserve space for a per-architecture data-pointer. An identifier
1077 for the reserved data-pointer is returned. That identifer should
1078 be saved in a local static variable.
1080 Memory for the per-architecture data shall be allocated using
1081 gdbarch_obstack_zalloc. That memory will be deleted when the
1082 corresponding architecture object is deleted.
1084 When a previously created architecture is re-selected, the
1085 per-architecture data-pointer for that previous architecture is
1086 restored. INIT() is not re-called.
1088 Multiple registrarants for any architecture are allowed (and
1089 strongly encouraged). */
1091 struct gdbarch_data;
1093 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
1094 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
1095 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
1096 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
1097 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1098 struct gdbarch_data *data,
1101 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1105 /* Register per-architecture memory region.
1107 Provide a memory-region swap mechanism. Per-architecture memory
1108 region are created. These memory regions are swapped whenever the
1109 architecture is changed. For a new architecture, the memory region
1110 is initialized with zero (0) and the INIT function is called.
1112 Memory regions are swapped / initialized in the order that they are
1113 registered. NULL DATA and/or INIT values can be specified.
1115 New code should use gdbarch_data_register_*(). */
1117 typedef void (gdbarch_swap_ftype) (void);
1118 extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1119 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1123 /* Set the dynamic target-system-dependent parameters (architecture,
1124 byte-order, ...) using information found in the BFD */
1126 extern void set_gdbarch_from_file (bfd *);
1129 /* Initialize the current architecture to the "first" one we find on
1132 extern void initialize_current_architecture (void);
1134 /* gdbarch trace variable */
1135 extern int gdbarch_debug;
1137 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1142 #../move-if-change new-gdbarch.h gdbarch.h
1143 compare_new gdbarch.h
1150 exec > new-gdbarch.c
1155 #include "arch-utils.h"
1158 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1161 #include "floatformat.h"
1163 #include "gdb_assert.h"
1164 #include "gdb_string.h"
1165 #include "gdb-events.h"
1166 #include "reggroups.h"
1168 #include "gdb_obstack.h"
1170 /* Static function declarations */
1172 static void alloc_gdbarch_data (struct gdbarch *);
1174 /* Non-zero if we want to trace architecture code. */
1176 #ifndef GDBARCH_DEBUG
1177 #define GDBARCH_DEBUG 0
1179 int gdbarch_debug = GDBARCH_DEBUG;
1182 pformat (const struct floatformat *format)
1187 return format->name;
1192 # gdbarch open the gdbarch object
1194 printf "/* Maintain the struct gdbarch object */\n"
1196 printf "struct gdbarch\n"
1198 printf " /* Has this architecture been fully initialized? */\n"
1199 printf " int initialized_p;\n"
1201 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1202 printf " struct obstack *obstack;\n"
1204 printf " /* basic architectural information */\n"
1205 function_list |
while do_read
1209 printf " ${returntype} ${function};\n"
1213 printf " /* target specific vector. */\n"
1214 printf " struct gdbarch_tdep *tdep;\n"
1215 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1217 printf " /* per-architecture data-pointers */\n"
1218 printf " unsigned nr_data;\n"
1219 printf " void **data;\n"
1221 printf " /* per-architecture swap-regions */\n"
1222 printf " struct gdbarch_swap *swap;\n"
1225 /* Multi-arch values.
1227 When extending this structure you must:
1229 Add the field below.
1231 Declare set/get functions and define the corresponding
1234 gdbarch_alloc(): If zero/NULL is not a suitable default,
1235 initialize the new field.
1237 verify_gdbarch(): Confirm that the target updated the field
1240 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1243 \`\`startup_gdbarch()'': Append an initial value to the static
1244 variable (base values on the host's c-type system).
1246 get_gdbarch(): Implement the set/get functions (probably using
1247 the macro's as shortcuts).
1252 function_list |
while do_read
1254 if class_is_variable_p
1256 printf " ${returntype} ${function};\n"
1257 elif class_is_function_p
1259 printf " gdbarch_${function}_ftype *${function};\n"
1264 # A pre-initialized vector
1268 /* The default architecture uses host values (for want of a better
1272 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1274 printf "struct gdbarch startup_gdbarch =\n"
1276 printf " 1, /* Always initialized. */\n"
1277 printf " NULL, /* The obstack. */\n"
1278 printf " /* basic architecture information */\n"
1279 function_list |
while do_read
1283 printf " ${staticdefault}, /* ${function} */\n"
1287 /* target specific vector and its dump routine */
1289 /*per-architecture data-pointers and swap regions */
1291 /* Multi-arch values */
1293 function_list |
while do_read
1295 if class_is_function_p || class_is_variable_p
1297 printf " ${staticdefault}, /* ${function} */\n"
1301 /* startup_gdbarch() */
1304 struct gdbarch *current_gdbarch = &startup_gdbarch;
1307 # Create a new gdbarch struct
1310 /* Create a new \`\`struct gdbarch'' based on information provided by
1311 \`\`struct gdbarch_info''. */
1316 gdbarch_alloc (const struct gdbarch_info *info,
1317 struct gdbarch_tdep *tdep)
1319 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1320 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1321 the current local architecture and not the previous global
1322 architecture. This ensures that the new architectures initial
1323 values are not influenced by the previous architecture. Once
1324 everything is parameterised with gdbarch, this will go away. */
1325 struct gdbarch *current_gdbarch;
1327 /* Create an obstack for allocating all the per-architecture memory,
1328 then use that to allocate the architecture vector. */
1329 struct obstack *obstack = XMALLOC (struct obstack);
1330 obstack_init (obstack);
1331 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1332 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1333 current_gdbarch->obstack = obstack;
1335 alloc_gdbarch_data (current_gdbarch);
1337 current_gdbarch->tdep = tdep;
1340 function_list |
while do_read
1344 printf " current_gdbarch->${function} = info->${function};\n"
1348 printf " /* Force the explicit initialization of these. */\n"
1349 function_list |
while do_read
1351 if class_is_function_p || class_is_variable_p
1353 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1355 printf " current_gdbarch->${function} = ${predefault};\n"
1360 /* gdbarch_alloc() */
1362 return current_gdbarch;
1366 # Free a gdbarch struct.
1370 /* Allocate extra space using the per-architecture obstack. */
1373 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1375 void *data = obstack_alloc (arch->obstack, size);
1376 memset (data, 0, size);
1381 /* Free a gdbarch struct. This should never happen in normal
1382 operation --- once you've created a gdbarch, you keep it around.
1383 However, if an architecture's init function encounters an error
1384 building the structure, it may need to clean up a partially
1385 constructed gdbarch. */
1388 gdbarch_free (struct gdbarch *arch)
1390 struct obstack *obstack;
1391 gdb_assert (arch != NULL);
1392 gdb_assert (!arch->initialized_p);
1393 obstack = arch->obstack;
1394 obstack_free (obstack, 0); /* Includes the ARCH. */
1399 # verify a new architecture
1403 /* Ensure that all values in a GDBARCH are reasonable. */
1405 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1406 just happens to match the global variable \`\`current_gdbarch''. That
1407 way macros refering to that variable get the local and not the global
1408 version - ulgh. Once everything is parameterised with gdbarch, this
1412 verify_gdbarch (struct gdbarch *current_gdbarch)
1414 struct ui_file *log;
1415 struct cleanup *cleanups;
1418 log = mem_fileopen ();
1419 cleanups = make_cleanup_ui_file_delete (log);
1421 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1422 fprintf_unfiltered (log, "\n\tbyte-order");
1423 if (current_gdbarch->bfd_arch_info == NULL)
1424 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1425 /* Check those that need to be defined for the given multi-arch level. */
1427 function_list |
while do_read
1429 if class_is_function_p || class_is_variable_p
1431 if [ "x${invalid_p}" = "x0" ]
1433 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1434 elif class_is_predicate_p
1436 printf " /* Skip verify of ${function}, has predicate */\n"
1437 # FIXME: See do_read for potential simplification
1438 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1440 printf " if (${invalid_p})\n"
1441 printf " current_gdbarch->${function} = ${postdefault};\n"
1442 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1444 printf " if (current_gdbarch->${function} == ${predefault})\n"
1445 printf " current_gdbarch->${function} = ${postdefault};\n"
1446 elif [ -n "${postdefault}" ]
1448 printf " if (current_gdbarch->${function} == 0)\n"
1449 printf " current_gdbarch->${function} = ${postdefault};\n"
1450 elif [ -n "${invalid_p}" ]
1452 printf " if (${invalid_p})\n"
1453 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1454 elif [ -n "${predefault}" ]
1456 printf " if (current_gdbarch->${function} == ${predefault})\n"
1457 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1462 buf = ui_file_xstrdup (log, &dummy);
1463 make_cleanup (xfree, buf);
1464 if (strlen (buf) > 0)
1465 internal_error (__FILE__, __LINE__,
1466 "verify_gdbarch: the following are invalid ...%s",
1468 do_cleanups (cleanups);
1472 # dump the structure
1476 /* Print out the details of the current architecture. */
1478 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1479 just happens to match the global variable \`\`current_gdbarch''. That
1480 way macros refering to that variable get the local and not the global
1481 version - ulgh. Once everything is parameterised with gdbarch, this
1485 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1487 const char *gdb_xm_file = "<not-defined>";
1488 const char *gdb_nm_file = "<not-defined>";
1489 const char *gdb_tm_file = "<not-defined>";
1490 #if defined (GDB_XM_FILE)
1491 gdb_xm_file = GDB_XM_FILE;
1493 fprintf_unfiltered (file,
1494 "gdbarch_dump: GDB_XM_FILE = %s\\n",
1496 #if defined (GDB_NM_FILE)
1497 gdb_nm_file = GDB_NM_FILE;
1499 fprintf_unfiltered (file,
1500 "gdbarch_dump: GDB_NM_FILE = %s\\n",
1502 #if defined (GDB_TM_FILE)
1503 gdb_tm_file = GDB_TM_FILE;
1505 fprintf_unfiltered (file,
1506 "gdbarch_dump: GDB_TM_FILE = %s\\n",
1509 function_list |
sort -t: -k 4 |
while do_read
1511 # First the predicate
1512 if class_is_predicate_p
1514 if test -n "${macro}"
1516 printf "#ifdef ${macro}_P\n"
1517 printf " fprintf_unfiltered (file,\n"
1518 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1519 printf " \"${macro}_P()\",\n"
1520 printf " XSTRING (${macro}_P ()));\n"
1523 printf " fprintf_unfiltered (file,\n"
1524 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1525 printf " gdbarch_${function}_p (current_gdbarch));\n"
1527 # Print the macro definition.
1528 if test -n "${macro}"
1530 printf "#ifdef ${macro}\n"
1531 if class_is_function_p
1533 printf " fprintf_unfiltered (file,\n"
1534 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1535 printf " \"${macro}(${actual})\",\n"
1536 printf " XSTRING (${macro} (${actual})));\n"
1538 printf " fprintf_unfiltered (file,\n"
1539 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1540 printf " XSTRING (${macro}));\n"
1544 # Print the corresponding value.
1545 if class_is_function_p
1547 printf " fprintf_unfiltered (file,\n"
1548 printf " \"gdbarch_dump: ${function} = <0x%%lx>\\\\n\",\n"
1549 printf " (long) current_gdbarch->${function});\n"
1552 case "${print}:${returntype}" in
1555 print
="paddr_nz (current_gdbarch->${function})"
1559 print
="paddr_d (current_gdbarch->${function})"
1565 printf " fprintf_unfiltered (file,\n"
1566 printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}"
1567 printf " ${print});\n"
1571 if (current_gdbarch->dump_tdep != NULL)
1572 current_gdbarch->dump_tdep (current_gdbarch, file);
1580 struct gdbarch_tdep *
1581 gdbarch_tdep (struct gdbarch *gdbarch)
1583 if (gdbarch_debug >= 2)
1584 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1585 return gdbarch->tdep;
1589 function_list |
while do_read
1591 if class_is_predicate_p
1595 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1597 printf " gdb_assert (gdbarch != NULL);\n"
1598 printf " return ${predicate};\n"
1601 if class_is_function_p
1604 printf "${returntype}\n"
1605 if [ "x${formal}" = "xvoid" ]
1607 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1609 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1612 printf " gdb_assert (gdbarch != NULL);\n"
1613 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1614 if class_is_predicate_p
&& test -n "${predefault}"
1616 # Allow a call to a function with a predicate.
1617 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1619 printf " if (gdbarch_debug >= 2)\n"
1620 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1621 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1623 if class_is_multiarch_p
1630 if class_is_multiarch_p
1632 params
="gdbarch, ${actual}"
1637 if [ "x${returntype}" = "xvoid" ]
1639 printf " gdbarch->${function} (${params});\n"
1641 printf " return gdbarch->${function} (${params});\n"
1646 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1647 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1649 printf " gdbarch->${function} = ${function};\n"
1651 elif class_is_variable_p
1654 printf "${returntype}\n"
1655 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1657 printf " gdb_assert (gdbarch != NULL);\n"
1658 if [ "x${invalid_p}" = "x0" ]
1660 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1661 elif [ -n "${invalid_p}" ]
1663 printf " /* Check variable is valid. */\n"
1664 printf " gdb_assert (!(${invalid_p}));\n"
1665 elif [ -n "${predefault}" ]
1667 printf " /* Check variable changed from pre-default. */\n"
1668 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1670 printf " if (gdbarch_debug >= 2)\n"
1671 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1672 printf " return gdbarch->${function};\n"
1676 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1677 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1679 printf " gdbarch->${function} = ${function};\n"
1681 elif class_is_info_p
1684 printf "${returntype}\n"
1685 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1687 printf " gdb_assert (gdbarch != NULL);\n"
1688 printf " if (gdbarch_debug >= 2)\n"
1689 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1690 printf " return gdbarch->${function};\n"
1695 # All the trailing guff
1699 /* Keep a registry of per-architecture data-pointers required by GDB
1706 gdbarch_data_pre_init_ftype *pre_init;
1707 gdbarch_data_post_init_ftype *post_init;
1710 struct gdbarch_data_registration
1712 struct gdbarch_data *data;
1713 struct gdbarch_data_registration *next;
1716 struct gdbarch_data_registry
1719 struct gdbarch_data_registration *registrations;
1722 struct gdbarch_data_registry gdbarch_data_registry =
1727 static struct gdbarch_data *
1728 gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init,
1729 gdbarch_data_post_init_ftype *post_init)
1731 struct gdbarch_data_registration **curr;
1732 /* Append the new registraration. */
1733 for (curr = &gdbarch_data_registry.registrations;
1735 curr = &(*curr)->next);
1736 (*curr) = XMALLOC (struct gdbarch_data_registration);
1737 (*curr)->next = NULL;
1738 (*curr)->data = XMALLOC (struct gdbarch_data);
1739 (*curr)->data->index = gdbarch_data_registry.nr++;
1740 (*curr)->data->pre_init = pre_init;
1741 (*curr)->data->post_init = post_init;
1742 (*curr)->data->init_p = 1;
1743 return (*curr)->data;
1746 struct gdbarch_data *
1747 gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init)
1749 return gdbarch_data_register (pre_init, NULL);
1752 struct gdbarch_data *
1753 gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init)
1755 return gdbarch_data_register (NULL, post_init);
1758 /* Create/delete the gdbarch data vector. */
1761 alloc_gdbarch_data (struct gdbarch *gdbarch)
1763 gdb_assert (gdbarch->data == NULL);
1764 gdbarch->nr_data = gdbarch_data_registry.nr;
1765 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1768 /* Initialize the current value of the specified per-architecture
1772 deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1773 struct gdbarch_data *data,
1776 gdb_assert (data->index < gdbarch->nr_data);
1777 gdb_assert (gdbarch->data[data->index] == NULL);
1778 gdb_assert (data->pre_init == NULL);
1779 gdbarch->data[data->index] = pointer;
1782 /* Return the current value of the specified per-architecture
1786 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1788 gdb_assert (data->index < gdbarch->nr_data);
1789 if (gdbarch->data[data->index] == NULL)
1791 /* The data-pointer isn't initialized, call init() to get a
1793 if (data->pre_init != NULL)
1794 /* Mid architecture creation: pass just the obstack, and not
1795 the entire architecture, as that way it isn't possible for
1796 pre-init code to refer to undefined architecture
1798 gdbarch->data[data->index] = data->pre_init (gdbarch->obstack);
1799 else if (gdbarch->initialized_p
1800 && data->post_init != NULL)
1801 /* Post architecture creation: pass the entire architecture
1802 (as all fields are valid), but be careful to also detect
1803 recursive references. */
1805 gdb_assert (data->init_p);
1807 gdbarch->data[data->index] = data->post_init (gdbarch);
1811 /* The architecture initialization hasn't completed - punt -
1812 hope that the caller knows what they are doing. Once
1813 deprecated_set_gdbarch_data has been initialized, this can be
1814 changed to an internal error. */
1816 gdb_assert (gdbarch->data[data->index] != NULL);
1818 return gdbarch->data[data->index];
1823 /* Keep a registry of swapped data required by GDB modules. */
1828 struct gdbarch_swap_registration *source;
1829 struct gdbarch_swap *next;
1832 struct gdbarch_swap_registration
1835 unsigned long sizeof_data;
1836 gdbarch_swap_ftype *init;
1837 struct gdbarch_swap_registration *next;
1840 struct gdbarch_swap_registry
1843 struct gdbarch_swap_registration *registrations;
1846 struct gdbarch_swap_registry gdbarch_swap_registry =
1852 deprecated_register_gdbarch_swap (void *data,
1853 unsigned long sizeof_data,
1854 gdbarch_swap_ftype *init)
1856 struct gdbarch_swap_registration **rego;
1857 for (rego = &gdbarch_swap_registry.registrations;
1859 rego = &(*rego)->next);
1860 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1861 (*rego)->next = NULL;
1862 (*rego)->init = init;
1863 (*rego)->data = data;
1864 (*rego)->sizeof_data = sizeof_data;
1868 current_gdbarch_swap_init_hack (void)
1870 struct gdbarch_swap_registration *rego;
1871 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1872 for (rego = gdbarch_swap_registry.registrations;
1876 if (rego->data != NULL)
1878 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1879 struct gdbarch_swap);
1880 (*curr)->source = rego;
1881 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1883 (*curr)->next = NULL;
1884 curr = &(*curr)->next;
1886 if (rego->init != NULL)
1891 static struct gdbarch *
1892 current_gdbarch_swap_out_hack (void)
1894 struct gdbarch *old_gdbarch = current_gdbarch;
1895 struct gdbarch_swap *curr;
1897 gdb_assert (old_gdbarch != NULL);
1898 for (curr = old_gdbarch->swap;
1902 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1903 memset (curr->source->data, 0, curr->source->sizeof_data);
1905 current_gdbarch = NULL;
1910 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
1912 struct gdbarch_swap *curr;
1914 gdb_assert (current_gdbarch == NULL);
1915 for (curr = new_gdbarch->swap;
1918 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1919 current_gdbarch = new_gdbarch;
1923 /* Keep a registry of the architectures known by GDB. */
1925 struct gdbarch_registration
1927 enum bfd_architecture bfd_architecture;
1928 gdbarch_init_ftype *init;
1929 gdbarch_dump_tdep_ftype *dump_tdep;
1930 struct gdbarch_list *arches;
1931 struct gdbarch_registration *next;
1934 static struct gdbarch_registration *gdbarch_registry = NULL;
1937 append_name (const char ***buf, int *nr, const char *name)
1939 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1945 gdbarch_printable_names (void)
1947 /* Accumulate a list of names based on the registed list of
1949 enum bfd_architecture a;
1951 const char **arches = NULL;
1952 struct gdbarch_registration *rego;
1953 for (rego = gdbarch_registry;
1957 const struct bfd_arch_info *ap;
1958 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
1960 internal_error (__FILE__, __LINE__,
1961 "gdbarch_architecture_names: multi-arch unknown");
1964 append_name (&arches, &nr_arches, ap->printable_name);
1969 append_name (&arches, &nr_arches, NULL);
1975 gdbarch_register (enum bfd_architecture bfd_architecture,
1976 gdbarch_init_ftype *init,
1977 gdbarch_dump_tdep_ftype *dump_tdep)
1979 struct gdbarch_registration **curr;
1980 const struct bfd_arch_info *bfd_arch_info;
1981 /* Check that BFD recognizes this architecture */
1982 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
1983 if (bfd_arch_info == NULL)
1985 internal_error (__FILE__, __LINE__,
1986 "gdbarch: Attempt to register unknown architecture (%d)",
1989 /* Check that we haven't seen this architecture before */
1990 for (curr = &gdbarch_registry;
1992 curr = &(*curr)->next)
1994 if (bfd_architecture == (*curr)->bfd_architecture)
1995 internal_error (__FILE__, __LINE__,
1996 "gdbarch: Duplicate registraration of architecture (%s)",
1997 bfd_arch_info->printable_name);
2001 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2002 bfd_arch_info->printable_name,
2005 (*curr) = XMALLOC (struct gdbarch_registration);
2006 (*curr)->bfd_architecture = bfd_architecture;
2007 (*curr)->init = init;
2008 (*curr)->dump_tdep = dump_tdep;
2009 (*curr)->arches = NULL;
2010 (*curr)->next = NULL;
2014 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2015 gdbarch_init_ftype *init)
2017 gdbarch_register (bfd_architecture, init, NULL);
2021 /* Look for an architecture using gdbarch_info. Base search on only
2022 BFD_ARCH_INFO and BYTE_ORDER. */
2024 struct gdbarch_list *
2025 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2026 const struct gdbarch_info *info)
2028 for (; arches != NULL; arches = arches->next)
2030 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2032 if (info->byte_order != arches->gdbarch->byte_order)
2034 if (info->osabi != arches->gdbarch->osabi)
2042 /* Find an architecture that matches the specified INFO. Create a new
2043 architecture if needed. Return that new architecture. Assumes
2044 that there is no current architecture. */
2046 static struct gdbarch *
2047 find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
2049 struct gdbarch *new_gdbarch;
2050 struct gdbarch_registration *rego;
2052 /* The existing architecture has been swapped out - all this code
2053 works from a clean slate. */
2054 gdb_assert (current_gdbarch == NULL);
2056 /* Fill in missing parts of the INFO struct using a number of
2057 sources: "set ..."; INFOabfd supplied; and the existing
2059 gdbarch_info_fill (old_gdbarch, &info);
2061 /* Must have found some sort of architecture. */
2062 gdb_assert (info.bfd_arch_info != NULL);
2066 fprintf_unfiltered (gdb_stdlog,
2067 "find_arch_by_info: info.bfd_arch_info %s\n",
2068 (info.bfd_arch_info != NULL
2069 ? info.bfd_arch_info->printable_name
2071 fprintf_unfiltered (gdb_stdlog,
2072 "find_arch_by_info: info.byte_order %d (%s)\n",
2074 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2075 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2077 fprintf_unfiltered (gdb_stdlog,
2078 "find_arch_by_info: info.osabi %d (%s)\n",
2079 info.osabi, gdbarch_osabi_name (info.osabi));
2080 fprintf_unfiltered (gdb_stdlog,
2081 "find_arch_by_info: info.abfd 0x%lx\n",
2083 fprintf_unfiltered (gdb_stdlog,
2084 "find_arch_by_info: info.tdep_info 0x%lx\n",
2085 (long) info.tdep_info);
2088 /* Find the tdep code that knows about this architecture. */
2089 for (rego = gdbarch_registry;
2092 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2097 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2098 "No matching architecture\n");
2102 /* Ask the tdep code for an architecture that matches "info". */
2103 new_gdbarch = rego->init (info, rego->arches);
2105 /* Did the tdep code like it? No. Reject the change and revert to
2106 the old architecture. */
2107 if (new_gdbarch == NULL)
2110 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2111 "Target rejected architecture\n");
2115 /* Is this a pre-existing architecture (as determined by already
2116 being initialized)? Move it to the front of the architecture
2117 list (keeping the list sorted Most Recently Used). */
2118 if (new_gdbarch->initialized_p)
2120 struct gdbarch_list **list;
2121 struct gdbarch_list *this;
2123 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2124 "Previous architecture 0x%08lx (%s) selected\n",
2126 new_gdbarch->bfd_arch_info->printable_name);
2127 /* Find the existing arch in the list. */
2128 for (list = ®o->arches;
2129 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2130 list = &(*list)->next);
2131 /* It had better be in the list of architectures. */
2132 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2135 (*list) = this->next;
2136 /* Insert THIS at the front. */
2137 this->next = rego->arches;
2138 rego->arches = this;
2143 /* It's a new architecture. */
2145 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2146 "New architecture 0x%08lx (%s) selected\n",
2148 new_gdbarch->bfd_arch_info->printable_name);
2150 /* Insert the new architecture into the front of the architecture
2151 list (keep the list sorted Most Recently Used). */
2153 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2154 this->next = rego->arches;
2155 this->gdbarch = new_gdbarch;
2156 rego->arches = this;
2159 /* Check that the newly installed architecture is valid. Plug in
2160 any post init values. */
2161 new_gdbarch->dump_tdep = rego->dump_tdep;
2162 verify_gdbarch (new_gdbarch);
2163 new_gdbarch->initialized_p = 1;
2165 /* Initialize any per-architecture swap areas. This phase requires
2166 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2167 swap the entire architecture out. */
2168 current_gdbarch = new_gdbarch;
2169 current_gdbarch_swap_init_hack ();
2170 current_gdbarch_swap_out_hack ();
2173 gdbarch_dump (new_gdbarch, gdb_stdlog);
2179 gdbarch_find_by_info (struct gdbarch_info info)
2181 /* Save the previously selected architecture, setting the global to
2182 NULL. This stops things like gdbarch->init() trying to use the
2183 previous architecture's configuration. The previous architecture
2184 may not even be of the same architecture family. The most recent
2185 architecture of the same family is found at the head of the
2186 rego->arches list. */
2187 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2189 /* Find the specified architecture. */
2190 struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
2192 /* Restore the existing architecture. */
2193 gdb_assert (current_gdbarch == NULL);
2194 current_gdbarch_swap_in_hack (old_gdbarch);
2199 /* Make the specified architecture current, swapping the existing one
2203 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2205 gdb_assert (new_gdbarch != NULL);
2206 gdb_assert (current_gdbarch != NULL);
2207 gdb_assert (new_gdbarch->initialized_p);
2208 current_gdbarch_swap_out_hack ();
2209 current_gdbarch_swap_in_hack (new_gdbarch);
2210 architecture_changed_event ();
2213 extern void _initialize_gdbarch (void);
2216 _initialize_gdbarch (void)
2218 struct cmd_list_element *c;
2220 deprecated_add_show_from_set
2221 (add_set_cmd ("arch",
2224 (char *)&gdbarch_debug,
2225 "Set architecture debugging.\\n\\
2226 When non-zero, architecture debugging is enabled.", &setdebuglist),
2228 c = add_set_cmd ("archdebug",
2231 (char *)&gdbarch_debug,
2232 "Set architecture debugging.\\n\\
2233 When non-zero, architecture debugging is enabled.", &setlist);
2235 deprecate_cmd (c, "set debug arch");
2236 deprecate_cmd (deprecated_add_show_from_set (c, &showlist), "show debug arch");
2242 #../move-if-change new-gdbarch.c gdbarch.c
2243 compare_new gdbarch.c