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 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
615 # disassembler. Perhaps objdump can handle it?
616 f:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0:
617 f:=:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc::generic_skip_trampoline_code::0
620 # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
621 # evaluates non-zero, this is the address where the debugger will place
622 # a step-resume breakpoint to get us past the dynamic linker.
623 m::CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0
624 # For SVR4 shared libraries, each call goes through a small piece of
625 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
626 # to nonzero if we are currently stopped in one of these.
627 f:=:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name::generic_in_solib_call_trampoline::0
629 # Some systems also have trampoline code for returning from shared libs.
630 f:=:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name::generic_in_solib_return_trampoline::0
632 # A target might have problems with watchpoints as soon as the stack
633 # frame of the current function has been destroyed. This mostly happens
634 # as the first action in a funtion's epilogue. in_function_epilogue_p()
635 # is defined to return a non-zero value if either the given addr is one
636 # instruction after the stack destroying instruction up to the trailing
637 # return instruction or if we can figure out that the stack frame has
638 # already been invalidated regardless of the value of addr. Targets
639 # which don't suffer from that problem could just let this functionality
641 m::int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0
642 # Given a vector of command-line arguments, return a newly allocated
643 # string which, when passed to the create_inferior function, will be
644 # parsed (on Unix systems, by the shell) to yield the same vector.
645 # This function should call error() if the argument vector is not
646 # representable for this target or if this target does not support
647 # command-line arguments.
648 # ARGC is the number of elements in the vector.
649 # ARGV is an array of strings, one per argument.
650 m::char *:construct_inferior_arguments:int argc, char **argv:argc, argv::construct_inferior_arguments::0
651 f:=:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0
652 f:=:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0
653 v:=:const char *:name_of_malloc:::"malloc":"malloc"::0:NAME_OF_MALLOC
654 v:=:int:cannot_step_breakpoint:::0:0::0
655 v:=:int:have_nonsteppable_watchpoint:::0:0::0
656 F:=:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
657 M::const char *:address_class_type_flags_to_name:int type_flags:type_flags
658 M::int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
659 # Is a register in a group
660 m::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0
661 # Fetch the pointer to the ith function argument.
662 F:=:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
664 # Return the appropriate register set for a core file section with
665 # name SECT_NAME and size SECT_SIZE.
666 M::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
673 exec > new-gdbarch.log
674 function_list |
while do_read
677 ${class} ${returntype} ${function} ($formal)
681 eval echo \"\ \ \ \
${r}=\
${${r}}\"
683 if class_is_predicate_p
&& fallback_default_p
685 echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2
689 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
691 echo "Error: postdefault is useless when invalid_p=0" 1>&2
695 if class_is_multiarch_p
697 if class_is_predicate_p
; then :
698 elif test "x${predefault}" = "x"
700 echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2
709 compare_new gdbarch.log
715 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
717 /* Dynamic architecture support for GDB, the GNU debugger.
719 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
720 Software Foundation, Inc.
722 This file is part of GDB.
724 This program is free software; you can redistribute it and/or modify
725 it under the terms of the GNU General Public License as published by
726 the Free Software Foundation; either version 2 of the License, or
727 (at your option) any later version.
729 This program is distributed in the hope that it will be useful,
730 but WITHOUT ANY WARRANTY; without even the implied warranty of
731 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
732 GNU General Public License for more details.
734 You should have received a copy of the GNU General Public License
735 along with this program; if not, write to the Free Software
736 Foundation, Inc., 59 Temple Place - Suite 330,
737 Boston, MA 02111-1307, USA. */
739 /* This file was created with the aid of \`\`gdbarch.sh''.
741 The Bourne shell script \`\`gdbarch.sh'' creates the files
742 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
743 against the existing \`\`gdbarch.[hc]''. Any differences found
746 If editing this file, please also run gdbarch.sh and merge any
747 changes into that script. Conversely, when making sweeping changes
748 to this file, modifying gdbarch.sh and using its output may prove
769 struct minimal_symbol;
773 struct disassemble_info;
777 extern struct gdbarch *current_gdbarch;
779 /* If any of the following are defined, the target wasn't correctly
782 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
783 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
790 printf "/* The following are pre-initialized by GDBARCH. */\n"
791 function_list |
while do_read
796 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
797 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
798 if test -n "${macro}"
800 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
801 printf "#error \"Non multi-arch definition of ${macro}\"\n"
803 printf "#if !defined (${macro})\n"
804 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
813 printf "/* The following are initialized by the target dependent code. */\n"
814 function_list |
while do_read
816 if [ -n "${comment}" ]
818 echo "${comment}" |
sed \
824 if class_is_predicate_p
826 if test -n "${macro}"
829 printf "#if defined (${macro})\n"
830 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
831 printf "#if !defined (${macro}_P)\n"
832 printf "#define ${macro}_P() (1)\n"
837 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
838 if test -n "${macro}"
840 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro}_P)\n"
841 printf "#error \"Non multi-arch definition of ${macro}\"\n"
843 printf "#if !defined (${macro}_P)\n"
844 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
848 if class_is_variable_p
851 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
852 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
853 if test -n "${macro}"
855 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
856 printf "#error \"Non multi-arch definition of ${macro}\"\n"
858 printf "#if !defined (${macro})\n"
859 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
863 if class_is_function_p
866 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
868 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
869 elif class_is_multiarch_p
871 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
873 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
875 if [ "x${formal}" = "xvoid" ]
877 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
879 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
881 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
882 if test -n "${macro}"
884 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
885 printf "#error \"Non multi-arch definition of ${macro}\"\n"
887 if [ "x${actual}" = "x" ]
889 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
890 elif [ "x${actual}" = "x-" ]
892 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
894 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
896 printf "#if !defined (${macro})\n"
897 if [ "x${actual}" = "x" ]
899 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
900 elif [ "x${actual}" = "x-" ]
902 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
904 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
914 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
917 /* Mechanism for co-ordinating the selection of a specific
920 GDB targets (*-tdep.c) can register an interest in a specific
921 architecture. Other GDB components can register a need to maintain
922 per-architecture data.
924 The mechanisms below ensures that there is only a loose connection
925 between the set-architecture command and the various GDB
926 components. Each component can independently register their need
927 to maintain architecture specific data with gdbarch.
931 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
934 The more traditional mega-struct containing architecture specific
935 data for all the various GDB components was also considered. Since
936 GDB is built from a variable number of (fairly independent)
937 components it was determined that the global aproach was not
941 /* Register a new architectural family with GDB.
943 Register support for the specified ARCHITECTURE with GDB. When
944 gdbarch determines that the specified architecture has been
945 selected, the corresponding INIT function is called.
949 The INIT function takes two parameters: INFO which contains the
950 information available to gdbarch about the (possibly new)
951 architecture; ARCHES which is a list of the previously created
952 \`\`struct gdbarch'' for this architecture.
954 The INFO parameter is, as far as possible, be pre-initialized with
955 information obtained from INFO.ABFD or the previously selected
958 The ARCHES parameter is a linked list (sorted most recently used)
959 of all the previously created architures for this architecture
960 family. The (possibly NULL) ARCHES->gdbarch can used to access
961 values from the previously selected architecture for this
962 architecture family. The global \`\`current_gdbarch'' shall not be
965 The INIT function shall return any of: NULL - indicating that it
966 doesn't recognize the selected architecture; an existing \`\`struct
967 gdbarch'' from the ARCHES list - indicating that the new
968 architecture is just a synonym for an earlier architecture (see
969 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
970 - that describes the selected architecture (see gdbarch_alloc()).
972 The DUMP_TDEP function shall print out all target specific values.
973 Care should be taken to ensure that the function works in both the
974 multi-arch and non- multi-arch cases. */
978 struct gdbarch *gdbarch;
979 struct gdbarch_list *next;
984 /* Use default: NULL (ZERO). */
985 const struct bfd_arch_info *bfd_arch_info;
987 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
990 /* Use default: NULL (ZERO). */
993 /* Use default: NULL (ZERO). */
994 struct gdbarch_tdep_info *tdep_info;
996 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
997 enum gdb_osabi osabi;
1000 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1001 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1003 /* DEPRECATED - use gdbarch_register() */
1004 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1006 extern void gdbarch_register (enum bfd_architecture architecture,
1007 gdbarch_init_ftype *,
1008 gdbarch_dump_tdep_ftype *);
1011 /* Return a freshly allocated, NULL terminated, array of the valid
1012 architecture names. Since architectures are registered during the
1013 _initialize phase this function only returns useful information
1014 once initialization has been completed. */
1016 extern const char **gdbarch_printable_names (void);
1019 /* Helper function. Search the list of ARCHES for a GDBARCH that
1020 matches the information provided by INFO. */
1022 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1025 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1026 basic initialization using values obtained from the INFO andTDEP
1027 parameters. set_gdbarch_*() functions are called to complete the
1028 initialization of the object. */
1030 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1033 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1034 It is assumed that the caller freeds the \`\`struct
1037 extern void gdbarch_free (struct gdbarch *);
1040 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1041 obstack. The memory is freed when the corresponding architecture
1044 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1045 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1046 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1049 /* Helper function. Force an update of the current architecture.
1051 The actual architecture selected is determined by INFO, \`\`(gdb) set
1052 architecture'' et.al., the existing architecture and BFD's default
1053 architecture. INFO should be initialized to zero and then selected
1054 fields should be updated.
1056 Returns non-zero if the update succeeds */
1058 extern int gdbarch_update_p (struct gdbarch_info info);
1061 /* Helper function. Find an architecture matching info.
1063 INFO should be initialized using gdbarch_info_init, relevant fields
1064 set, and then finished using gdbarch_info_fill.
1066 Returns the corresponding architecture, or NULL if no matching
1067 architecture was found. "current_gdbarch" is not updated. */
1069 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1072 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1074 FIXME: kettenis/20031124: Of the functions that follow, only
1075 gdbarch_from_bfd is supposed to survive. The others will
1076 dissappear since in the future GDB will (hopefully) be truly
1077 multi-arch. However, for now we're still stuck with the concept of
1078 a single active architecture. */
1080 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1083 /* Register per-architecture data-pointer.
1085 Reserve space for a per-architecture data-pointer. An identifier
1086 for the reserved data-pointer is returned. That identifer should
1087 be saved in a local static variable.
1089 Memory for the per-architecture data shall be allocated using
1090 gdbarch_obstack_zalloc. That memory will be deleted when the
1091 corresponding architecture object is deleted.
1093 When a previously created architecture is re-selected, the
1094 per-architecture data-pointer for that previous architecture is
1095 restored. INIT() is not re-called.
1097 Multiple registrarants for any architecture are allowed (and
1098 strongly encouraged). */
1100 struct gdbarch_data;
1102 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
1103 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
1104 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
1105 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
1106 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1107 struct gdbarch_data *data,
1110 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1114 /* Register per-architecture memory region.
1116 Provide a memory-region swap mechanism. Per-architecture memory
1117 region are created. These memory regions are swapped whenever the
1118 architecture is changed. For a new architecture, the memory region
1119 is initialized with zero (0) and the INIT function is called.
1121 Memory regions are swapped / initialized in the order that they are
1122 registered. NULL DATA and/or INIT values can be specified.
1124 New code should use gdbarch_data_register_*(). */
1126 typedef void (gdbarch_swap_ftype) (void);
1127 extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1128 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1132 /* Set the dynamic target-system-dependent parameters (architecture,
1133 byte-order, ...) using information found in the BFD */
1135 extern void set_gdbarch_from_file (bfd *);
1138 /* Initialize the current architecture to the "first" one we find on
1141 extern void initialize_current_architecture (void);
1143 /* gdbarch trace variable */
1144 extern int gdbarch_debug;
1146 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1151 #../move-if-change new-gdbarch.h gdbarch.h
1152 compare_new gdbarch.h
1159 exec > new-gdbarch.c
1164 #include "arch-utils.h"
1167 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1170 #include "floatformat.h"
1172 #include "gdb_assert.h"
1173 #include "gdb_string.h"
1174 #include "gdb-events.h"
1175 #include "reggroups.h"
1177 #include "gdb_obstack.h"
1179 /* Static function declarations */
1181 static void alloc_gdbarch_data (struct gdbarch *);
1183 /* Non-zero if we want to trace architecture code. */
1185 #ifndef GDBARCH_DEBUG
1186 #define GDBARCH_DEBUG 0
1188 int gdbarch_debug = GDBARCH_DEBUG;
1191 pformat (const struct floatformat *format)
1196 return format->name;
1201 # gdbarch open the gdbarch object
1203 printf "/* Maintain the struct gdbarch object */\n"
1205 printf "struct gdbarch\n"
1207 printf " /* Has this architecture been fully initialized? */\n"
1208 printf " int initialized_p;\n"
1210 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1211 printf " struct obstack *obstack;\n"
1213 printf " /* basic architectural information */\n"
1214 function_list |
while do_read
1218 printf " ${returntype} ${function};\n"
1222 printf " /* target specific vector. */\n"
1223 printf " struct gdbarch_tdep *tdep;\n"
1224 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1226 printf " /* per-architecture data-pointers */\n"
1227 printf " unsigned nr_data;\n"
1228 printf " void **data;\n"
1230 printf " /* per-architecture swap-regions */\n"
1231 printf " struct gdbarch_swap *swap;\n"
1234 /* Multi-arch values.
1236 When extending this structure you must:
1238 Add the field below.
1240 Declare set/get functions and define the corresponding
1243 gdbarch_alloc(): If zero/NULL is not a suitable default,
1244 initialize the new field.
1246 verify_gdbarch(): Confirm that the target updated the field
1249 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1252 \`\`startup_gdbarch()'': Append an initial value to the static
1253 variable (base values on the host's c-type system).
1255 get_gdbarch(): Implement the set/get functions (probably using
1256 the macro's as shortcuts).
1261 function_list |
while do_read
1263 if class_is_variable_p
1265 printf " ${returntype} ${function};\n"
1266 elif class_is_function_p
1268 printf " gdbarch_${function}_ftype *${function};\n"
1273 # A pre-initialized vector
1277 /* The default architecture uses host values (for want of a better
1281 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1283 printf "struct gdbarch startup_gdbarch =\n"
1285 printf " 1, /* Always initialized. */\n"
1286 printf " NULL, /* The obstack. */\n"
1287 printf " /* basic architecture information */\n"
1288 function_list |
while do_read
1292 printf " ${staticdefault}, /* ${function} */\n"
1296 /* target specific vector and its dump routine */
1298 /*per-architecture data-pointers and swap regions */
1300 /* Multi-arch values */
1302 function_list |
while do_read
1304 if class_is_function_p || class_is_variable_p
1306 printf " ${staticdefault}, /* ${function} */\n"
1310 /* startup_gdbarch() */
1313 struct gdbarch *current_gdbarch = &startup_gdbarch;
1316 # Create a new gdbarch struct
1319 /* Create a new \`\`struct gdbarch'' based on information provided by
1320 \`\`struct gdbarch_info''. */
1325 gdbarch_alloc (const struct gdbarch_info *info,
1326 struct gdbarch_tdep *tdep)
1328 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1329 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1330 the current local architecture and not the previous global
1331 architecture. This ensures that the new architectures initial
1332 values are not influenced by the previous architecture. Once
1333 everything is parameterised with gdbarch, this will go away. */
1334 struct gdbarch *current_gdbarch;
1336 /* Create an obstack for allocating all the per-architecture memory,
1337 then use that to allocate the architecture vector. */
1338 struct obstack *obstack = XMALLOC (struct obstack);
1339 obstack_init (obstack);
1340 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1341 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1342 current_gdbarch->obstack = obstack;
1344 alloc_gdbarch_data (current_gdbarch);
1346 current_gdbarch->tdep = tdep;
1349 function_list |
while do_read
1353 printf " current_gdbarch->${function} = info->${function};\n"
1357 printf " /* Force the explicit initialization of these. */\n"
1358 function_list |
while do_read
1360 if class_is_function_p || class_is_variable_p
1362 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1364 printf " current_gdbarch->${function} = ${predefault};\n"
1369 /* gdbarch_alloc() */
1371 return current_gdbarch;
1375 # Free a gdbarch struct.
1379 /* Allocate extra space using the per-architecture obstack. */
1382 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1384 void *data = obstack_alloc (arch->obstack, size);
1385 memset (data, 0, size);
1390 /* Free a gdbarch struct. This should never happen in normal
1391 operation --- once you've created a gdbarch, you keep it around.
1392 However, if an architecture's init function encounters an error
1393 building the structure, it may need to clean up a partially
1394 constructed gdbarch. */
1397 gdbarch_free (struct gdbarch *arch)
1399 struct obstack *obstack;
1400 gdb_assert (arch != NULL);
1401 gdb_assert (!arch->initialized_p);
1402 obstack = arch->obstack;
1403 obstack_free (obstack, 0); /* Includes the ARCH. */
1408 # verify a new architecture
1412 /* Ensure that all values in a GDBARCH are reasonable. */
1414 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1415 just happens to match the global variable \`\`current_gdbarch''. That
1416 way macros refering to that variable get the local and not the global
1417 version - ulgh. Once everything is parameterised with gdbarch, this
1421 verify_gdbarch (struct gdbarch *current_gdbarch)
1423 struct ui_file *log;
1424 struct cleanup *cleanups;
1427 log = mem_fileopen ();
1428 cleanups = make_cleanup_ui_file_delete (log);
1430 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1431 fprintf_unfiltered (log, "\n\tbyte-order");
1432 if (current_gdbarch->bfd_arch_info == NULL)
1433 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1434 /* Check those that need to be defined for the given multi-arch level. */
1436 function_list |
while do_read
1438 if class_is_function_p || class_is_variable_p
1440 if [ "x${invalid_p}" = "x0" ]
1442 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1443 elif class_is_predicate_p
1445 printf " /* Skip verify of ${function}, has predicate */\n"
1446 # FIXME: See do_read for potential simplification
1447 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1449 printf " if (${invalid_p})\n"
1450 printf " current_gdbarch->${function} = ${postdefault};\n"
1451 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1453 printf " if (current_gdbarch->${function} == ${predefault})\n"
1454 printf " current_gdbarch->${function} = ${postdefault};\n"
1455 elif [ -n "${postdefault}" ]
1457 printf " if (current_gdbarch->${function} == 0)\n"
1458 printf " current_gdbarch->${function} = ${postdefault};\n"
1459 elif [ -n "${invalid_p}" ]
1461 printf " if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)\n"
1462 printf " && (${invalid_p}))\n"
1463 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1464 elif [ -n "${predefault}" ]
1466 printf " if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)\n"
1467 printf " && (current_gdbarch->${function} == ${predefault}))\n"
1468 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1473 buf = ui_file_xstrdup (log, &dummy);
1474 make_cleanup (xfree, buf);
1475 if (strlen (buf) > 0)
1476 internal_error (__FILE__, __LINE__,
1477 "verify_gdbarch: the following are invalid ...%s",
1479 do_cleanups (cleanups);
1483 # dump the structure
1487 /* Print out the details of the current architecture. */
1489 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1490 just happens to match the global variable \`\`current_gdbarch''. That
1491 way macros refering to that variable get the local and not the global
1492 version - ulgh. Once everything is parameterised with gdbarch, this
1496 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1498 fprintf_unfiltered (file,
1499 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1502 function_list |
sort -t: -k 4 |
while do_read
1504 # First the predicate
1505 if class_is_predicate_p
1507 if test -n "${macro}"
1509 printf "#ifdef ${macro}_P\n"
1510 printf " fprintf_unfiltered (file,\n"
1511 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1512 printf " \"${macro}_P()\",\n"
1513 printf " XSTRING (${macro}_P ()));\n"
1516 printf " fprintf_unfiltered (file,\n"
1517 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1518 printf " gdbarch_${function}_p (current_gdbarch));\n"
1520 # Print the macro definition.
1521 if test -n "${macro}"
1523 printf "#ifdef ${macro}\n"
1524 if class_is_function_p
1526 printf " fprintf_unfiltered (file,\n"
1527 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1528 printf " \"${macro}(${actual})\",\n"
1529 printf " XSTRING (${macro} (${actual})));\n"
1531 printf " fprintf_unfiltered (file,\n"
1532 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1533 printf " XSTRING (${macro}));\n"
1537 # Print the corresponding value.
1538 if class_is_function_p
1540 printf " fprintf_unfiltered (file,\n"
1541 printf " \"gdbarch_dump: ${function} = <0x%%lx>\\\\n\",\n"
1542 printf " (long) current_gdbarch->${function});\n"
1545 case "${print}:${returntype}" in
1548 print
="paddr_nz (current_gdbarch->${function})"
1552 print
="paddr_d (current_gdbarch->${function})"
1558 printf " fprintf_unfiltered (file,\n"
1559 printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}"
1560 printf " ${print});\n"
1564 if (current_gdbarch->dump_tdep != NULL)
1565 current_gdbarch->dump_tdep (current_gdbarch, file);
1573 struct gdbarch_tdep *
1574 gdbarch_tdep (struct gdbarch *gdbarch)
1576 if (gdbarch_debug >= 2)
1577 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1578 return gdbarch->tdep;
1582 function_list |
while do_read
1584 if class_is_predicate_p
1588 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1590 printf " gdb_assert (gdbarch != NULL);\n"
1591 printf " return ${predicate};\n"
1594 if class_is_function_p
1597 printf "${returntype}\n"
1598 if [ "x${formal}" = "xvoid" ]
1600 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1602 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1605 printf " gdb_assert (gdbarch != NULL);\n"
1606 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1607 if class_is_predicate_p
&& test -n "${predefault}"
1609 # Allow a call to a function with a predicate.
1610 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1612 printf " if (gdbarch_debug >= 2)\n"
1613 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1614 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1616 if class_is_multiarch_p
1623 if class_is_multiarch_p
1625 params
="gdbarch, ${actual}"
1630 if [ "x${returntype}" = "xvoid" ]
1632 printf " gdbarch->${function} (${params});\n"
1634 printf " return gdbarch->${function} (${params});\n"
1639 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1640 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1642 printf " gdbarch->${function} = ${function};\n"
1644 elif class_is_variable_p
1647 printf "${returntype}\n"
1648 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1650 printf " gdb_assert (gdbarch != NULL);\n"
1651 if [ "x${invalid_p}" = "x0" ]
1653 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1654 elif [ -n "${invalid_p}" ]
1656 printf " /* Check variable is valid. */\n"
1657 printf " gdb_assert (!(${invalid_p}));\n"
1658 elif [ -n "${predefault}" ]
1660 printf " /* Check variable changed from pre-default. */\n"
1661 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1663 printf " if (gdbarch_debug >= 2)\n"
1664 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1665 printf " return gdbarch->${function};\n"
1669 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1670 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1672 printf " gdbarch->${function} = ${function};\n"
1674 elif class_is_info_p
1677 printf "${returntype}\n"
1678 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1680 printf " gdb_assert (gdbarch != NULL);\n"
1681 printf " if (gdbarch_debug >= 2)\n"
1682 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1683 printf " return gdbarch->${function};\n"
1688 # All the trailing guff
1692 /* Keep a registry of per-architecture data-pointers required by GDB
1699 gdbarch_data_pre_init_ftype *pre_init;
1700 gdbarch_data_post_init_ftype *post_init;
1703 struct gdbarch_data_registration
1705 struct gdbarch_data *data;
1706 struct gdbarch_data_registration *next;
1709 struct gdbarch_data_registry
1712 struct gdbarch_data_registration *registrations;
1715 struct gdbarch_data_registry gdbarch_data_registry =
1720 static struct gdbarch_data *
1721 gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init,
1722 gdbarch_data_post_init_ftype *post_init)
1724 struct gdbarch_data_registration **curr;
1725 /* Append the new registraration. */
1726 for (curr = &gdbarch_data_registry.registrations;
1728 curr = &(*curr)->next);
1729 (*curr) = XMALLOC (struct gdbarch_data_registration);
1730 (*curr)->next = NULL;
1731 (*curr)->data = XMALLOC (struct gdbarch_data);
1732 (*curr)->data->index = gdbarch_data_registry.nr++;
1733 (*curr)->data->pre_init = pre_init;
1734 (*curr)->data->post_init = post_init;
1735 (*curr)->data->init_p = 1;
1736 return (*curr)->data;
1739 struct gdbarch_data *
1740 gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init)
1742 return gdbarch_data_register (pre_init, NULL);
1745 struct gdbarch_data *
1746 gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init)
1748 return gdbarch_data_register (NULL, post_init);
1751 /* Create/delete the gdbarch data vector. */
1754 alloc_gdbarch_data (struct gdbarch *gdbarch)
1756 gdb_assert (gdbarch->data == NULL);
1757 gdbarch->nr_data = gdbarch_data_registry.nr;
1758 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1761 /* Initialize the current value of the specified per-architecture
1765 deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1766 struct gdbarch_data *data,
1769 gdb_assert (data->index < gdbarch->nr_data);
1770 gdb_assert (gdbarch->data[data->index] == NULL);
1771 gdb_assert (data->pre_init == NULL);
1772 gdbarch->data[data->index] = pointer;
1775 /* Return the current value of the specified per-architecture
1779 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1781 gdb_assert (data->index < gdbarch->nr_data);
1782 if (gdbarch->data[data->index] == NULL)
1784 /* The data-pointer isn't initialized, call init() to get a
1786 if (data->pre_init != NULL)
1787 /* Mid architecture creation: pass just the obstack, and not
1788 the entire architecture, as that way it isn't possible for
1789 pre-init code to refer to undefined architecture
1791 gdbarch->data[data->index] = data->pre_init (gdbarch->obstack);
1792 else if (gdbarch->initialized_p
1793 && data->post_init != NULL)
1794 /* Post architecture creation: pass the entire architecture
1795 (as all fields are valid), but be careful to also detect
1796 recursive references. */
1798 gdb_assert (data->init_p);
1800 gdbarch->data[data->index] = data->post_init (gdbarch);
1804 /* The architecture initialization hasn't completed - punt -
1805 hope that the caller knows what they are doing. Once
1806 deprecated_set_gdbarch_data has been initialized, this can be
1807 changed to an internal error. */
1809 gdb_assert (gdbarch->data[data->index] != NULL);
1811 return gdbarch->data[data->index];
1816 /* Keep a registry of swapped data required by GDB modules. */
1821 struct gdbarch_swap_registration *source;
1822 struct gdbarch_swap *next;
1825 struct gdbarch_swap_registration
1828 unsigned long sizeof_data;
1829 gdbarch_swap_ftype *init;
1830 struct gdbarch_swap_registration *next;
1833 struct gdbarch_swap_registry
1836 struct gdbarch_swap_registration *registrations;
1839 struct gdbarch_swap_registry gdbarch_swap_registry =
1845 deprecated_register_gdbarch_swap (void *data,
1846 unsigned long sizeof_data,
1847 gdbarch_swap_ftype *init)
1849 struct gdbarch_swap_registration **rego;
1850 for (rego = &gdbarch_swap_registry.registrations;
1852 rego = &(*rego)->next);
1853 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1854 (*rego)->next = NULL;
1855 (*rego)->init = init;
1856 (*rego)->data = data;
1857 (*rego)->sizeof_data = sizeof_data;
1861 current_gdbarch_swap_init_hack (void)
1863 struct gdbarch_swap_registration *rego;
1864 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1865 for (rego = gdbarch_swap_registry.registrations;
1869 if (rego->data != NULL)
1871 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1872 struct gdbarch_swap);
1873 (*curr)->source = rego;
1874 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1876 (*curr)->next = NULL;
1877 curr = &(*curr)->next;
1879 if (rego->init != NULL)
1884 static struct gdbarch *
1885 current_gdbarch_swap_out_hack (void)
1887 struct gdbarch *old_gdbarch = current_gdbarch;
1888 struct gdbarch_swap *curr;
1890 gdb_assert (old_gdbarch != NULL);
1891 for (curr = old_gdbarch->swap;
1895 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1896 memset (curr->source->data, 0, curr->source->sizeof_data);
1898 current_gdbarch = NULL;
1903 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
1905 struct gdbarch_swap *curr;
1907 gdb_assert (current_gdbarch == NULL);
1908 for (curr = new_gdbarch->swap;
1911 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1912 current_gdbarch = new_gdbarch;
1916 /* Keep a registry of the architectures known by GDB. */
1918 struct gdbarch_registration
1920 enum bfd_architecture bfd_architecture;
1921 gdbarch_init_ftype *init;
1922 gdbarch_dump_tdep_ftype *dump_tdep;
1923 struct gdbarch_list *arches;
1924 struct gdbarch_registration *next;
1927 static struct gdbarch_registration *gdbarch_registry = NULL;
1930 append_name (const char ***buf, int *nr, const char *name)
1932 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1938 gdbarch_printable_names (void)
1940 /* Accumulate a list of names based on the registed list of
1942 enum bfd_architecture a;
1944 const char **arches = NULL;
1945 struct gdbarch_registration *rego;
1946 for (rego = gdbarch_registry;
1950 const struct bfd_arch_info *ap;
1951 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
1953 internal_error (__FILE__, __LINE__,
1954 "gdbarch_architecture_names: multi-arch unknown");
1957 append_name (&arches, &nr_arches, ap->printable_name);
1962 append_name (&arches, &nr_arches, NULL);
1968 gdbarch_register (enum bfd_architecture bfd_architecture,
1969 gdbarch_init_ftype *init,
1970 gdbarch_dump_tdep_ftype *dump_tdep)
1972 struct gdbarch_registration **curr;
1973 const struct bfd_arch_info *bfd_arch_info;
1974 /* Check that BFD recognizes this architecture */
1975 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
1976 if (bfd_arch_info == NULL)
1978 internal_error (__FILE__, __LINE__,
1979 "gdbarch: Attempt to register unknown architecture (%d)",
1982 /* Check that we haven't seen this architecture before */
1983 for (curr = &gdbarch_registry;
1985 curr = &(*curr)->next)
1987 if (bfd_architecture == (*curr)->bfd_architecture)
1988 internal_error (__FILE__, __LINE__,
1989 "gdbarch: Duplicate registraration of architecture (%s)",
1990 bfd_arch_info->printable_name);
1994 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
1995 bfd_arch_info->printable_name,
1998 (*curr) = XMALLOC (struct gdbarch_registration);
1999 (*curr)->bfd_architecture = bfd_architecture;
2000 (*curr)->init = init;
2001 (*curr)->dump_tdep = dump_tdep;
2002 (*curr)->arches = NULL;
2003 (*curr)->next = NULL;
2007 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2008 gdbarch_init_ftype *init)
2010 gdbarch_register (bfd_architecture, init, NULL);
2014 /* Look for an architecture using gdbarch_info. Base search on only
2015 BFD_ARCH_INFO and BYTE_ORDER. */
2017 struct gdbarch_list *
2018 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2019 const struct gdbarch_info *info)
2021 for (; arches != NULL; arches = arches->next)
2023 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2025 if (info->byte_order != arches->gdbarch->byte_order)
2027 if (info->osabi != arches->gdbarch->osabi)
2035 /* Find an architecture that matches the specified INFO. Create a new
2036 architecture if needed. Return that new architecture. Assumes
2037 that there is no current architecture. */
2039 static struct gdbarch *
2040 find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
2042 struct gdbarch *new_gdbarch;
2043 struct gdbarch_registration *rego;
2045 /* The existing architecture has been swapped out - all this code
2046 works from a clean slate. */
2047 gdb_assert (current_gdbarch == NULL);
2049 /* Fill in missing parts of the INFO struct using a number of
2050 sources: "set ..."; INFOabfd supplied; and the existing
2052 gdbarch_info_fill (old_gdbarch, &info);
2054 /* Must have found some sort of architecture. */
2055 gdb_assert (info.bfd_arch_info != NULL);
2059 fprintf_unfiltered (gdb_stdlog,
2060 "find_arch_by_info: info.bfd_arch_info %s\n",
2061 (info.bfd_arch_info != NULL
2062 ? info.bfd_arch_info->printable_name
2064 fprintf_unfiltered (gdb_stdlog,
2065 "find_arch_by_info: info.byte_order %d (%s)\n",
2067 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2068 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2070 fprintf_unfiltered (gdb_stdlog,
2071 "find_arch_by_info: info.osabi %d (%s)\n",
2072 info.osabi, gdbarch_osabi_name (info.osabi));
2073 fprintf_unfiltered (gdb_stdlog,
2074 "find_arch_by_info: info.abfd 0x%lx\n",
2076 fprintf_unfiltered (gdb_stdlog,
2077 "find_arch_by_info: info.tdep_info 0x%lx\n",
2078 (long) info.tdep_info);
2081 /* Find the tdep code that knows about this architecture. */
2082 for (rego = gdbarch_registry;
2085 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2090 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2091 "No matching architecture\n");
2095 /* Ask the tdep code for an architecture that matches "info". */
2096 new_gdbarch = rego->init (info, rego->arches);
2098 /* Did the tdep code like it? No. Reject the change and revert to
2099 the old architecture. */
2100 if (new_gdbarch == NULL)
2103 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2104 "Target rejected architecture\n");
2108 /* Is this a pre-existing architecture (as determined by already
2109 being initialized)? Move it to the front of the architecture
2110 list (keeping the list sorted Most Recently Used). */
2111 if (new_gdbarch->initialized_p)
2113 struct gdbarch_list **list;
2114 struct gdbarch_list *this;
2116 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2117 "Previous architecture 0x%08lx (%s) selected\n",
2119 new_gdbarch->bfd_arch_info->printable_name);
2120 /* Find the existing arch in the list. */
2121 for (list = ®o->arches;
2122 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2123 list = &(*list)->next);
2124 /* It had better be in the list of architectures. */
2125 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2128 (*list) = this->next;
2129 /* Insert THIS at the front. */
2130 this->next = rego->arches;
2131 rego->arches = this;
2136 /* It's a new architecture. */
2138 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2139 "New architecture 0x%08lx (%s) selected\n",
2141 new_gdbarch->bfd_arch_info->printable_name);
2143 /* Insert the new architecture into the front of the architecture
2144 list (keep the list sorted Most Recently Used). */
2146 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2147 this->next = rego->arches;
2148 this->gdbarch = new_gdbarch;
2149 rego->arches = this;
2152 /* Check that the newly installed architecture is valid. Plug in
2153 any post init values. */
2154 new_gdbarch->dump_tdep = rego->dump_tdep;
2155 verify_gdbarch (new_gdbarch);
2156 new_gdbarch->initialized_p = 1;
2158 /* Initialize any per-architecture swap areas. This phase requires
2159 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2160 swap the entire architecture out. */
2161 current_gdbarch = new_gdbarch;
2162 current_gdbarch_swap_init_hack ();
2163 current_gdbarch_swap_out_hack ();
2166 gdbarch_dump (new_gdbarch, gdb_stdlog);
2172 gdbarch_find_by_info (struct gdbarch_info info)
2174 /* Save the previously selected architecture, setting the global to
2175 NULL. This stops things like gdbarch->init() trying to use the
2176 previous architecture's configuration. The previous architecture
2177 may not even be of the same architecture family. The most recent
2178 architecture of the same family is found at the head of the
2179 rego->arches list. */
2180 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2182 /* Find the specified architecture. */
2183 struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
2185 /* Restore the existing architecture. */
2186 gdb_assert (current_gdbarch == NULL);
2187 current_gdbarch_swap_in_hack (old_gdbarch);
2192 /* Make the specified architecture current, swapping the existing one
2196 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2198 gdb_assert (new_gdbarch != NULL);
2199 gdb_assert (current_gdbarch != NULL);
2200 gdb_assert (new_gdbarch->initialized_p);
2201 current_gdbarch_swap_out_hack ();
2202 current_gdbarch_swap_in_hack (new_gdbarch);
2203 architecture_changed_event ();
2206 extern void _initialize_gdbarch (void);
2209 _initialize_gdbarch (void)
2211 struct cmd_list_element *c;
2213 deprecated_add_show_from_set
2214 (add_set_cmd ("arch",
2217 (char *)&gdbarch_debug,
2218 "Set architecture debugging.\\n\\
2219 When non-zero, architecture debugging is enabled.", &setdebuglist),
2221 c = add_set_cmd ("archdebug",
2224 (char *)&gdbarch_debug,
2225 "Set architecture debugging.\\n\\
2226 When non-zero, architecture debugging is enabled.", &setlist);
2228 deprecate_cmd (c, "set debug arch");
2229 deprecate_cmd (deprecated_add_show_from_set (c, &showlist), "show debug arch");
2235 #../move-if-change new-gdbarch.c gdbarch.c
2236 compare_new gdbarch.c