3 # Architecture commands for GDB, the GNU debugger.
5 # Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
6 # Free Software Foundation, Inc.
8 # This file is part of GDB.
10 # This program is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 2 of the License, or
13 # (at your option) any later version.
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program; if not, write to the Free Software
22 # Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 # Boston, MA 02110-1301, USA.
25 # Make certain that the script is not 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::int:byte_order:::BFD_ENDIAN_BIG
374 i:TARGET_OSABI:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN
376 i::const struct target_desc *:target_desc:::::::paddr_d ((long) current_gdbarch->target_desc)
377 # Number of bits in a char or unsigned char for the target machine.
378 # Just like CHAR_BIT in <limits.h> but describes the target machine.
379 # v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
381 # Number of bits in a short or unsigned short for the target machine.
382 v:TARGET_SHORT_BIT:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0
383 # Number of bits in an int or unsigned int for the target machine.
384 v:TARGET_INT_BIT:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0
385 # Number of bits in a long or unsigned long for the target machine.
386 v:TARGET_LONG_BIT:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0
387 # Number of bits in a long long or unsigned long long for the target
389 v:TARGET_LONG_LONG_BIT:int:long_long_bit:::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
391 # The ABI default bit-size and format for "float", "double", and "long
392 # double". These bit/format pairs should eventually be combined into
393 # a single object. For the moment, just initialize them as a pair.
394 # Each format describes both the big and little endian layouts (if
397 v:TARGET_FLOAT_BIT:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0
398 v:TARGET_FLOAT_FORMAT:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (current_gdbarch->float_format)
399 v:TARGET_DOUBLE_BIT:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0
400 v:TARGET_DOUBLE_FORMAT:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (current_gdbarch->double_format)
401 v:TARGET_LONG_DOUBLE_BIT:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
402 v:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (current_gdbarch->long_double_format)
404 # For most targets, a pointer on the target and its representation as an
405 # address in GDB have the same size and "look the same". For such a
406 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
407 # / addr_bit will be set from it.
409 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
410 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
412 # ptr_bit is the size of a pointer on the target
413 v:TARGET_PTR_BIT:int:ptr_bit:::8 * sizeof (void*):TARGET_INT_BIT::0
414 # addr_bit is the size of a target address as represented in gdb
415 v:TARGET_ADDR_BIT:int:addr_bit:::8 * sizeof (void*):0:TARGET_PTR_BIT:
416 # Number of bits in a BFD_VMA for the target object file format.
417 v:TARGET_BFD_VMA_BIT:int:bfd_vma_bit:::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
419 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
420 v::int:char_signed:::1:-1:1
422 F:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
423 f:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid:0:generic_target_write_pc::0
424 # Function for getting target's idea of a frame pointer. FIXME: GDB's
425 # whole scheme for dealing with "frames" and "frame pointers" needs a
427 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
429 M::void:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf
430 M::void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf
432 v:=:int:num_regs:::0:-1
433 # This macro gives the number of pseudo-registers that live in the
434 # register namespace but do not get fetched or stored on the target.
435 # These pseudo-registers may be aliases for other registers,
436 # combinations of other registers, or they may be computed by GDB.
437 v:=:int:num_pseudo_regs:::0:0::0
439 # GDB's standard (or well known) register numbers. These can map onto
440 # a real register or a pseudo (computed) register or not be defined at
442 # SP_REGNUM will hopefully be replaced by UNWIND_SP.
443 v:=:int:sp_regnum:::-1:-1::0
444 v:=:int:pc_regnum:::-1:-1::0
445 v:=:int:ps_regnum:::-1:-1::0
446 v:=:int:fp0_regnum:::0:-1::0
447 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
448 f:=:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0
449 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
450 f:=:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0
451 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
452 f:=:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr::no_op_reg_to_regnum::0
453 # Convert from an sdb register number to an internal gdb register number.
454 f:=:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0
455 f:=:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0
456 f:=:const char *:register_name:int regnr:regnr
458 # Return the type of a register specified by the architecture. Only
459 # the register cache should call this function directly; others should
460 # use "register_type".
461 M::struct type *:register_type:int reg_nr:reg_nr
463 # See gdbint.texinfo, and PUSH_DUMMY_CALL.
464 M::struct frame_id:unwind_dummy_id:struct frame_info *info:info
465 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
466 # DEPRECATED_FP_REGNUM.
467 v:=:int:deprecated_fp_regnum:::-1:-1::0
469 # See gdbint.texinfo. See infcall.c.
470 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
471 # DEPRECATED_REGISTER_SIZE can be deleted.
472 v:=:int:deprecated_register_size
473 v::int:call_dummy_location::::AT_ENTRY_POINT::0
474 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
476 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
477 M::void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
478 M::void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
479 # MAP a GDB RAW register number onto a simulator register number. See
480 # also include/...-sim.h.
481 f:=:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0
482 F:=:int:register_bytes_ok:long nr_bytes:nr_bytes
483 f:=:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0
484 f:=:int:cannot_store_register:int regnum:regnum::cannot_register_not::0
485 # setjmp/longjmp support.
486 F:=:int:get_longjmp_target:CORE_ADDR *pc:pc
488 v:=:int:believe_pcc_promotion:::::::
490 f:=:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0
491 f:=:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf:frame, regnum, type, buf:0
492 f:=:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0
493 # Construct a value representing the contents of register REGNUM in
494 # frame FRAME, interpreted as type TYPE. The routine needs to
495 # allocate and return a struct value with all value attributes
496 # (but not the value contents) filled in.
497 f::struct value *:value_from_register:struct type *type, int regnum, struct frame_info *frame:type, regnum, frame::default_value_from_register::0
499 f:=:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0
500 f:=:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0
501 M::CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf
503 # It has been suggested that this, well actually its predecessor,
504 # should take the type/value of the function to be called and not the
505 # return type. This is left as an exercise for the reader.
507 # NOTE: cagney/2004-06-13: The function stack.c:return_command uses
508 # the predicate with default hack to avoid calling STORE_RETURN_VALUE
509 # (via legacy_return_value), when a small struct is involved.
511 M::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:valtype, regcache, readbuf, writebuf::legacy_return_value
513 # The deprecated methods EXTRACT_RETURN_VALUE, STORE_RETURN_VALUE,
514 # DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
515 # DEPRECATED_USE_STRUCT_CONVENTION have all been folded into
518 f:=:void:extract_return_value:struct type *type, struct regcache *regcache, gdb_byte *valbuf:type, regcache, valbuf:0
519 f:=:void:store_return_value:struct type *type, struct regcache *regcache, const gdb_byte *valbuf:type, regcache, valbuf:0
520 f:=:int:deprecated_use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type::generic_use_struct_convention::0
522 # As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
523 # ABI suitable for the implementation of a robust extract
524 # struct-convention return-value address method (the sparc saves the
525 # address in the callers frame). All the other cases so far examined,
526 # the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
527 # erreneous - the code was incorrectly assuming that the return-value
528 # address, stored in a register, was preserved across the entire
531 # For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
532 # the ABIs that are still to be analyzed - perhaps this should simply
533 # be deleted. The commented out extract_returned_value_address method
534 # is provided as a starting point for the 32-bit SPARC. It, or
535 # something like it, along with changes to both infcmd.c and stack.c
536 # will be needed for that case to work. NB: It is passed the callers
537 # frame since it is only after the callee has returned that this
540 #M::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame
541 F:=:CORE_ADDR:deprecated_extract_struct_value_address:struct regcache *regcache:regcache
544 f:=:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
545 f:=:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0
546 f:=:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0:
547 M::CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
548 f:=:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0
549 f:=:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0
550 v:=:CORE_ADDR:decr_pc_after_break:::0:::0
552 # A function can be addressed by either it's "pointer" (possibly a
553 # descriptor address) or "entry point" (first executable instruction).
554 # The method "convert_from_func_ptr_addr" converting the former to the
555 # latter. DEPRECATED_FUNCTION_START_OFFSET is being used to implement
556 # a simplified subset of that functionality - the function's address
557 # corresponds to the "function pointer" and the function's start
558 # corresponds to the "function entry point" - and hence is redundant.
560 v:=:CORE_ADDR:deprecated_function_start_offset:::0:::0
562 # Return the remote protocol register number associated with this
563 # register. Normally the identity mapping.
564 m::int:remote_register_number:int regno:regno::default_remote_register_number::0
566 # Fetch the target specific address used to represent a load module.
567 F:=:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile
569 v:=:CORE_ADDR:frame_args_skip:::0:::0
570 M::CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
571 M::CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
572 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
573 # frame-base. Enable frame-base before frame-unwind.
574 F:=:int:frame_num_args:struct frame_info *frame:frame
576 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
577 # to frame_align and the requirement that methods such as
578 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
580 F:=:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
581 M::CORE_ADDR:frame_align:CORE_ADDR address:address
582 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
583 # stabs_argument_has_addr.
584 F:=:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
585 m::int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0
586 v:=:int:frame_red_zone_size
588 m::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_addr_identity::0
589 # On some machines there are bits in addresses which are not really
590 # part of the address, but are used by the kernel, the hardware, etc.
591 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
592 # we get a "real" address such as one would find in a symbol table.
593 # This is used only for addresses of instructions, and even then I'm
594 # not sure it's used in all contexts. It exists to deal with there
595 # being a few stray bits in the PC which would mislead us, not as some
596 # sort of generic thing to handle alignment or segmentation (it's
597 # possible it should be in TARGET_READ_PC instead).
598 f:=:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0
599 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
601 f:=:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr::core_addr_identity::0
603 # FIXME/cagney/2001-01-18: This should be split in two. A target method that
604 # indicates if the target needs software single step. An ISA method to
607 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts
608 # breakpoints using the breakpoint system instead of blatting memory directly
611 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
612 # target can single step. If not, then implement single step using breakpoints.
614 # A return value of 1 means that the software_single_step breakpoints
615 # were inserted; 0 means they were not.
616 F:=:int:software_single_step:struct regcache *regcache:regcache
618 # Return non-zero if the processor is executing a delay slot and a
619 # further single-step is needed before the instruction finishes.
620 M::int:single_step_through_delay:struct frame_info *frame:frame
621 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
622 # disassembler. Perhaps objdump can handle it?
623 f:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0:
624 f:=:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc::generic_skip_trampoline_code::0
627 # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
628 # evaluates non-zero, this is the address where the debugger will place
629 # a step-resume breakpoint to get us past the dynamic linker.
630 m::CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0
631 # Some systems also have trampoline code for returning from shared libs.
632 f:=:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name::generic_in_solib_return_trampoline::0
634 # A target might have problems with watchpoints as soon as the stack
635 # frame of the current function has been destroyed. This mostly happens
636 # as the first action in a funtion's epilogue. in_function_epilogue_p()
637 # is defined to return a non-zero value if either the given addr is one
638 # instruction after the stack destroying instruction up to the trailing
639 # return instruction or if we can figure out that the stack frame has
640 # already been invalidated regardless of the value of addr. Targets
641 # which don't suffer from that problem could just let this functionality
643 m::int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0
644 # Given a vector of command-line arguments, return a newly allocated
645 # string which, when passed to the create_inferior function, will be
646 # parsed (on Unix systems, by the shell) to yield the same vector.
647 # This function should call error() if the argument vector is not
648 # representable for this target or if this target does not support
649 # command-line arguments.
650 # ARGC is the number of elements in the vector.
651 # ARGV is an array of strings, one per argument.
652 m::char *:construct_inferior_arguments:int argc, char **argv:argc, argv::construct_inferior_arguments::0
653 f:=:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0
654 f:=:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0
655 v:=:const char *:name_of_malloc:::"malloc":"malloc"::0:NAME_OF_MALLOC
656 v:=:int:cannot_step_breakpoint:::0:0::0
657 v:=:int:have_nonsteppable_watchpoint:::0:0::0
658 F:=:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
659 M::const char *:address_class_type_flags_to_name:int type_flags:type_flags
660 M::int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
661 # Is a register in a group
662 m::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0
663 # Fetch the pointer to the ith function argument.
664 F:=:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
666 # Return the appropriate register set for a core file section with
667 # name SECT_NAME and size SECT_SIZE.
668 M::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
670 # If the elements of C++ vtables are in-place function descriptors rather
671 # than normal function pointers (which may point to code or a descriptor),
673 v::int:vtable_function_descriptors:::0:0::0
675 # Set if the least significant bit of the delta is used instead of the least
676 # significant bit of the pfn for pointers to virtual member functions.
677 v::int:vbit_in_delta:::0:0::0
679 # Advance PC to next instruction in order to skip a permanent breakpoint.
680 F::void:skip_permanent_breakpoint:struct regcache *regcache:regcache
682 # Refresh overlay mapped state for section OSECT.
683 F::void:overlay_update:struct obj_section *osect:osect
690 exec > new-gdbarch.log
691 function_list |
while do_read
694 ${class} ${returntype} ${function} ($formal)
698 eval echo \"\ \ \ \
${r}=\
${${r}}\"
700 if class_is_predicate_p
&& fallback_default_p
702 echo "Error: predicate function ${function} can not have a non- multi-arch default" 1>&2
706 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
708 echo "Error: postdefault is useless when invalid_p=0" 1>&2
712 if class_is_multiarch_p
714 if class_is_predicate_p
; then :
715 elif test "x${predefault}" = "x"
717 echo "Error: pure multi-arch function ${function} must have a predefault" 1>&2
726 compare_new gdbarch.log
732 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
734 /* Dynamic architecture support for GDB, the GNU debugger.
736 Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
737 Free Software Foundation, Inc.
739 This file is part of GDB.
741 This program is free software; you can redistribute it and/or modify
742 it under the terms of the GNU General Public License as published by
743 the Free Software Foundation; either version 2 of the License, or
744 (at your option) any later version.
746 This program is distributed in the hope that it will be useful,
747 but WITHOUT ANY WARRANTY; without even the implied warranty of
748 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
749 GNU General Public License for more details.
751 You should have received a copy of the GNU General Public License
752 along with this program; if not, write to the Free Software
753 Foundation, Inc., 51 Franklin Street, Fifth Floor,
754 Boston, MA 02110-1301, USA. */
756 /* This file was created with the aid of \`\`gdbarch.sh''.
758 The Bourne shell script \`\`gdbarch.sh'' creates the files
759 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
760 against the existing \`\`gdbarch.[hc]''. Any differences found
763 If editing this file, please also run gdbarch.sh and merge any
764 changes into that script. Conversely, when making sweeping changes
765 to this file, modifying gdbarch.sh and using its output may prove
787 struct minimal_symbol;
791 struct disassemble_info;
794 struct bp_target_info;
797 extern struct gdbarch *current_gdbarch;
803 printf "/* The following are pre-initialized by GDBARCH. */\n"
804 function_list |
while do_read
809 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
810 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
811 if test -n "${macro}"
813 printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
814 printf "#error \"Non multi-arch definition of ${macro}\"\n"
816 printf "#if !defined (${macro})\n"
817 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
826 printf "/* The following are initialized by the target dependent code. */\n"
827 function_list |
while do_read
829 if [ -n "${comment}" ]
831 echo "${comment}" |
sed \
837 if class_is_predicate_p
839 if test -n "${macro}"
842 printf "#if defined (${macro})\n"
843 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
844 printf "#if !defined (${macro}_P)\n"
845 printf "#define ${macro}_P() (1)\n"
850 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
851 if test -n "${macro}"
853 printf "#if !defined (GDB_TM_FILE) && defined (${macro}_P)\n"
854 printf "#error \"Non multi-arch definition of ${macro}\"\n"
856 printf "#if !defined (${macro}_P)\n"
857 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
861 if class_is_variable_p
864 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
865 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
866 if test -n "${macro}"
868 printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
869 printf "#error \"Non multi-arch definition of ${macro}\"\n"
871 printf "#if !defined (${macro})\n"
872 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
876 if class_is_function_p
879 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
881 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
882 elif class_is_multiarch_p
884 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
886 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
888 if [ "x${formal}" = "xvoid" ]
890 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
892 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
894 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
895 if test -n "${macro}"
897 printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
898 printf "#error \"Non multi-arch definition of ${macro}\"\n"
900 if [ "x${actual}" = "x" ]
902 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
903 elif [ "x${actual}" = "x-" ]
905 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
907 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
909 printf "#if !defined (${macro})\n"
910 if [ "x${actual}" = "x" ]
912 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
913 elif [ "x${actual}" = "x-" ]
915 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
917 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
927 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
930 /* Mechanism for co-ordinating the selection of a specific
933 GDB targets (*-tdep.c) can register an interest in a specific
934 architecture. Other GDB components can register a need to maintain
935 per-architecture data.
937 The mechanisms below ensures that there is only a loose connection
938 between the set-architecture command and the various GDB
939 components. Each component can independently register their need
940 to maintain architecture specific data with gdbarch.
944 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
947 The more traditional mega-struct containing architecture specific
948 data for all the various GDB components was also considered. Since
949 GDB is built from a variable number of (fairly independent)
950 components it was determined that the global aproach was not
954 /* Register a new architectural family with GDB.
956 Register support for the specified ARCHITECTURE with GDB. When
957 gdbarch determines that the specified architecture has been
958 selected, the corresponding INIT function is called.
962 The INIT function takes two parameters: INFO which contains the
963 information available to gdbarch about the (possibly new)
964 architecture; ARCHES which is a list of the previously created
965 \`\`struct gdbarch'' for this architecture.
967 The INFO parameter is, as far as possible, be pre-initialized with
968 information obtained from INFO.ABFD or the global defaults.
970 The ARCHES parameter is a linked list (sorted most recently used)
971 of all the previously created architures for this architecture
972 family. The (possibly NULL) ARCHES->gdbarch can used to access
973 values from the previously selected architecture for this
974 architecture family. The global \`\`current_gdbarch'' shall not be
977 The INIT function shall return any of: NULL - indicating that it
978 doesn't recognize the selected architecture; an existing \`\`struct
979 gdbarch'' from the ARCHES list - indicating that the new
980 architecture is just a synonym for an earlier architecture (see
981 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
982 - that describes the selected architecture (see gdbarch_alloc()).
984 The DUMP_TDEP function shall print out all target specific values.
985 Care should be taken to ensure that the function works in both the
986 multi-arch and non- multi-arch cases. */
990 struct gdbarch *gdbarch;
991 struct gdbarch_list *next;
996 /* Use default: NULL (ZERO). */
997 const struct bfd_arch_info *bfd_arch_info;
999 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1002 /* Use default: NULL (ZERO). */
1005 /* Use default: NULL (ZERO). */
1006 struct gdbarch_tdep_info *tdep_info;
1008 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1009 enum gdb_osabi osabi;
1011 /* Use default: NULL (ZERO). */
1012 const struct target_desc *target_desc;
1015 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1016 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1018 /* DEPRECATED - use gdbarch_register() */
1019 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1021 extern void gdbarch_register (enum bfd_architecture architecture,
1022 gdbarch_init_ftype *,
1023 gdbarch_dump_tdep_ftype *);
1026 /* Return a freshly allocated, NULL terminated, array of the valid
1027 architecture names. Since architectures are registered during the
1028 _initialize phase this function only returns useful information
1029 once initialization has been completed. */
1031 extern const char **gdbarch_printable_names (void);
1034 /* Helper function. Search the list of ARCHES for a GDBARCH that
1035 matches the information provided by INFO. */
1037 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1040 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1041 basic initialization using values obtained from the INFO and TDEP
1042 parameters. set_gdbarch_*() functions are called to complete the
1043 initialization of the object. */
1045 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1048 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1049 It is assumed that the caller freeds the \`\`struct
1052 extern void gdbarch_free (struct gdbarch *);
1055 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1056 obstack. The memory is freed when the corresponding architecture
1059 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1060 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1061 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1064 /* Helper function. Force an update of the current architecture.
1066 The actual architecture selected is determined by INFO, \`\`(gdb) set
1067 architecture'' et.al., the existing architecture and BFD's default
1068 architecture. INFO should be initialized to zero and then selected
1069 fields should be updated.
1071 Returns non-zero if the update succeeds */
1073 extern int gdbarch_update_p (struct gdbarch_info info);
1076 /* Helper function. Find an architecture matching info.
1078 INFO should be initialized using gdbarch_info_init, relevant fields
1079 set, and then finished using gdbarch_info_fill.
1081 Returns the corresponding architecture, or NULL if no matching
1082 architecture was found. "current_gdbarch" is not updated. */
1084 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1087 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1089 FIXME: kettenis/20031124: Of the functions that follow, only
1090 gdbarch_from_bfd is supposed to survive. The others will
1091 dissappear since in the future GDB will (hopefully) be truly
1092 multi-arch. However, for now we're still stuck with the concept of
1093 a single active architecture. */
1095 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1098 /* Register per-architecture data-pointer.
1100 Reserve space for a per-architecture data-pointer. An identifier
1101 for the reserved data-pointer is returned. That identifer should
1102 be saved in a local static variable.
1104 Memory for the per-architecture data shall be allocated using
1105 gdbarch_obstack_zalloc. That memory will be deleted when the
1106 corresponding architecture object is deleted.
1108 When a previously created architecture is re-selected, the
1109 per-architecture data-pointer for that previous architecture is
1110 restored. INIT() is not re-called.
1112 Multiple registrarants for any architecture are allowed (and
1113 strongly encouraged). */
1115 struct gdbarch_data;
1117 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
1118 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
1119 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
1120 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
1121 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1122 struct gdbarch_data *data,
1125 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1129 /* Register per-architecture memory region.
1131 Provide a memory-region swap mechanism. Per-architecture memory
1132 region are created. These memory regions are swapped whenever the
1133 architecture is changed. For a new architecture, the memory region
1134 is initialized with zero (0) and the INIT function is called.
1136 Memory regions are swapped / initialized in the order that they are
1137 registered. NULL DATA and/or INIT values can be specified.
1139 New code should use gdbarch_data_register_*(). */
1141 typedef void (gdbarch_swap_ftype) (void);
1142 extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1143 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1147 /* Set the dynamic target-system-dependent parameters (architecture,
1148 byte-order, ...) using information found in the BFD */
1150 extern void set_gdbarch_from_file (bfd *);
1153 /* Initialize the current architecture to the "first" one we find on
1156 extern void initialize_current_architecture (void);
1158 /* gdbarch trace variable */
1159 extern int gdbarch_debug;
1161 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1166 #../move-if-change new-gdbarch.h gdbarch.h
1167 compare_new gdbarch.h
1174 exec > new-gdbarch.c
1179 #include "arch-utils.h"
1182 #include "inferior.h"
1185 #include "floatformat.h"
1187 #include "gdb_assert.h"
1188 #include "gdb_string.h"
1189 #include "gdb-events.h"
1190 #include "reggroups.h"
1192 #include "gdb_obstack.h"
1194 /* Static function declarations */
1196 static void alloc_gdbarch_data (struct gdbarch *);
1198 /* Non-zero if we want to trace architecture code. */
1200 #ifndef GDBARCH_DEBUG
1201 #define GDBARCH_DEBUG 0
1203 int gdbarch_debug = GDBARCH_DEBUG;
1205 show_gdbarch_debug (struct ui_file *file, int from_tty,
1206 struct cmd_list_element *c, const char *value)
1208 fprintf_filtered (file, _("Architecture debugging is %s.\\n"), value);
1212 pformat (const struct floatformat **format)
1217 /* Just print out one of them - this is only for diagnostics. */
1218 return format[0]->name;
1223 # gdbarch open the gdbarch object
1225 printf "/* Maintain the struct gdbarch object */\n"
1227 printf "struct gdbarch\n"
1229 printf " /* Has this architecture been fully initialized? */\n"
1230 printf " int initialized_p;\n"
1232 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1233 printf " struct obstack *obstack;\n"
1235 printf " /* basic architectural information */\n"
1236 function_list |
while do_read
1240 printf " ${returntype} ${function};\n"
1244 printf " /* target specific vector. */\n"
1245 printf " struct gdbarch_tdep *tdep;\n"
1246 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1248 printf " /* per-architecture data-pointers */\n"
1249 printf " unsigned nr_data;\n"
1250 printf " void **data;\n"
1252 printf " /* per-architecture swap-regions */\n"
1253 printf " struct gdbarch_swap *swap;\n"
1256 /* Multi-arch values.
1258 When extending this structure you must:
1260 Add the field below.
1262 Declare set/get functions and define the corresponding
1265 gdbarch_alloc(): If zero/NULL is not a suitable default,
1266 initialize the new field.
1268 verify_gdbarch(): Confirm that the target updated the field
1271 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1274 \`\`startup_gdbarch()'': Append an initial value to the static
1275 variable (base values on the host's c-type system).
1277 get_gdbarch(): Implement the set/get functions (probably using
1278 the macro's as shortcuts).
1283 function_list |
while do_read
1285 if class_is_variable_p
1287 printf " ${returntype} ${function};\n"
1288 elif class_is_function_p
1290 printf " gdbarch_${function}_ftype *${function};\n"
1295 # A pre-initialized vector
1299 /* The default architecture uses host values (for want of a better
1303 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1305 printf "struct gdbarch startup_gdbarch =\n"
1307 printf " 1, /* Always initialized. */\n"
1308 printf " NULL, /* The obstack. */\n"
1309 printf " /* basic architecture information */\n"
1310 function_list |
while do_read
1314 printf " ${staticdefault}, /* ${function} */\n"
1318 /* target specific vector and its dump routine */
1320 /*per-architecture data-pointers and swap regions */
1322 /* Multi-arch values */
1324 function_list |
while do_read
1326 if class_is_function_p || class_is_variable_p
1328 printf " ${staticdefault}, /* ${function} */\n"
1332 /* startup_gdbarch() */
1335 struct gdbarch *current_gdbarch = &startup_gdbarch;
1338 # Create a new gdbarch struct
1341 /* Create a new \`\`struct gdbarch'' based on information provided by
1342 \`\`struct gdbarch_info''. */
1347 gdbarch_alloc (const struct gdbarch_info *info,
1348 struct gdbarch_tdep *tdep)
1350 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1351 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1352 the current local architecture and not the previous global
1353 architecture. This ensures that the new architectures initial
1354 values are not influenced by the previous architecture. Once
1355 everything is parameterised with gdbarch, this will go away. */
1356 struct gdbarch *current_gdbarch;
1358 /* Create an obstack for allocating all the per-architecture memory,
1359 then use that to allocate the architecture vector. */
1360 struct obstack *obstack = XMALLOC (struct obstack);
1361 obstack_init (obstack);
1362 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1363 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1364 current_gdbarch->obstack = obstack;
1366 alloc_gdbarch_data (current_gdbarch);
1368 current_gdbarch->tdep = tdep;
1371 function_list |
while do_read
1375 printf " current_gdbarch->${function} = info->${function};\n"
1379 printf " /* Force the explicit initialization of these. */\n"
1380 function_list |
while do_read
1382 if class_is_function_p || class_is_variable_p
1384 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1386 printf " current_gdbarch->${function} = ${predefault};\n"
1391 /* gdbarch_alloc() */
1393 return current_gdbarch;
1397 # Free a gdbarch struct.
1401 /* Allocate extra space using the per-architecture obstack. */
1404 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1406 void *data = obstack_alloc (arch->obstack, size);
1407 memset (data, 0, size);
1412 /* Free a gdbarch struct. This should never happen in normal
1413 operation --- once you've created a gdbarch, you keep it around.
1414 However, if an architecture's init function encounters an error
1415 building the structure, it may need to clean up a partially
1416 constructed gdbarch. */
1419 gdbarch_free (struct gdbarch *arch)
1421 struct obstack *obstack;
1422 gdb_assert (arch != NULL);
1423 gdb_assert (!arch->initialized_p);
1424 obstack = arch->obstack;
1425 obstack_free (obstack, 0); /* Includes the ARCH. */
1430 # verify a new architecture
1434 /* Ensure that all values in a GDBARCH are reasonable. */
1436 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1437 just happens to match the global variable \`\`current_gdbarch''. That
1438 way macros refering to that variable get the local and not the global
1439 version - ulgh. Once everything is parameterised with gdbarch, this
1443 verify_gdbarch (struct gdbarch *current_gdbarch)
1445 struct ui_file *log;
1446 struct cleanup *cleanups;
1449 log = mem_fileopen ();
1450 cleanups = make_cleanup_ui_file_delete (log);
1452 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1453 fprintf_unfiltered (log, "\n\tbyte-order");
1454 if (current_gdbarch->bfd_arch_info == NULL)
1455 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1456 /* Check those that need to be defined for the given multi-arch level. */
1458 function_list |
while do_read
1460 if class_is_function_p || class_is_variable_p
1462 if [ "x${invalid_p}" = "x0" ]
1464 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1465 elif class_is_predicate_p
1467 printf " /* Skip verify of ${function}, has predicate */\n"
1468 # FIXME: See do_read for potential simplification
1469 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1471 printf " if (${invalid_p})\n"
1472 printf " current_gdbarch->${function} = ${postdefault};\n"
1473 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1475 printf " if (current_gdbarch->${function} == ${predefault})\n"
1476 printf " current_gdbarch->${function} = ${postdefault};\n"
1477 elif [ -n "${postdefault}" ]
1479 printf " if (current_gdbarch->${function} == 0)\n"
1480 printf " current_gdbarch->${function} = ${postdefault};\n"
1481 elif [ -n "${invalid_p}" ]
1483 printf " if (${invalid_p})\n"
1484 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1485 elif [ -n "${predefault}" ]
1487 printf " if (current_gdbarch->${function} == ${predefault})\n"
1488 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1493 buf = ui_file_xstrdup (log, &dummy);
1494 make_cleanup (xfree, buf);
1495 if (strlen (buf) > 0)
1496 internal_error (__FILE__, __LINE__,
1497 _("verify_gdbarch: the following are invalid ...%s"),
1499 do_cleanups (cleanups);
1503 # dump the structure
1507 /* Print out the details of the current architecture. */
1509 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1510 just happens to match the global variable \`\`current_gdbarch''. That
1511 way macros refering to that variable get the local and not the global
1512 version - ulgh. Once everything is parameterised with gdbarch, this
1516 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1518 const char *gdb_xm_file = "<not-defined>";
1519 const char *gdb_nm_file = "<not-defined>";
1520 const char *gdb_tm_file = "<not-defined>";
1521 #if defined (GDB_XM_FILE)
1522 gdb_xm_file = GDB_XM_FILE;
1524 fprintf_unfiltered (file,
1525 "gdbarch_dump: GDB_XM_FILE = %s\\n",
1527 #if defined (GDB_NM_FILE)
1528 gdb_nm_file = GDB_NM_FILE;
1530 fprintf_unfiltered (file,
1531 "gdbarch_dump: GDB_NM_FILE = %s\\n",
1533 #if defined (GDB_TM_FILE)
1534 gdb_tm_file = GDB_TM_FILE;
1536 fprintf_unfiltered (file,
1537 "gdbarch_dump: GDB_TM_FILE = %s\\n",
1540 function_list |
sort -t: -k 4 |
while do_read
1542 # First the predicate
1543 if class_is_predicate_p
1545 if test -n "${macro}"
1547 printf "#ifdef ${macro}_P\n"
1548 printf " fprintf_unfiltered (file,\n"
1549 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1550 printf " \"${macro}_P()\",\n"
1551 printf " XSTRING (${macro}_P ()));\n"
1554 printf " fprintf_unfiltered (file,\n"
1555 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1556 printf " gdbarch_${function}_p (current_gdbarch));\n"
1558 # Print the macro definition.
1559 if test -n "${macro}"
1561 printf "#ifdef ${macro}\n"
1562 if class_is_function_p
1564 printf " fprintf_unfiltered (file,\n"
1565 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1566 printf " \"${macro}(${actual})\",\n"
1567 printf " XSTRING (${macro} (${actual})));\n"
1569 printf " fprintf_unfiltered (file,\n"
1570 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1571 printf " XSTRING (${macro}));\n"
1575 # Print the corresponding value.
1576 if class_is_function_p
1578 printf " fprintf_unfiltered (file,\n"
1579 printf " \"gdbarch_dump: ${function} = <0x%%lx>\\\\n\",\n"
1580 printf " (long) current_gdbarch->${function});\n"
1583 case "${print}:${returntype}" in
1586 print
="paddr_nz (current_gdbarch->${function})"
1590 print
="paddr_d (current_gdbarch->${function})"
1596 printf " fprintf_unfiltered (file,\n"
1597 printf " \"gdbarch_dump: ${function} = %s\\\\n\",\n" "${fmt}"
1598 printf " ${print});\n"
1602 if (current_gdbarch->dump_tdep != NULL)
1603 current_gdbarch->dump_tdep (current_gdbarch, file);
1611 struct gdbarch_tdep *
1612 gdbarch_tdep (struct gdbarch *gdbarch)
1614 if (gdbarch_debug >= 2)
1615 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1616 return gdbarch->tdep;
1620 function_list |
while do_read
1622 if class_is_predicate_p
1626 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1628 printf " gdb_assert (gdbarch != NULL);\n"
1629 printf " return ${predicate};\n"
1632 if class_is_function_p
1635 printf "${returntype}\n"
1636 if [ "x${formal}" = "xvoid" ]
1638 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1640 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1643 printf " gdb_assert (gdbarch != NULL);\n"
1644 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1645 if class_is_predicate_p
&& test -n "${predefault}"
1647 # Allow a call to a function with a predicate.
1648 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1650 printf " if (gdbarch_debug >= 2)\n"
1651 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1652 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1654 if class_is_multiarch_p
1661 if class_is_multiarch_p
1663 params
="gdbarch, ${actual}"
1668 if [ "x${returntype}" = "xvoid" ]
1670 printf " gdbarch->${function} (${params});\n"
1672 printf " return gdbarch->${function} (${params});\n"
1677 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1678 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1680 printf " gdbarch->${function} = ${function};\n"
1682 elif class_is_variable_p
1685 printf "${returntype}\n"
1686 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1688 printf " gdb_assert (gdbarch != NULL);\n"
1689 if [ "x${invalid_p}" = "x0" ]
1691 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1692 elif [ -n "${invalid_p}" ]
1694 printf " /* Check variable is valid. */\n"
1695 printf " gdb_assert (!(${invalid_p}));\n"
1696 elif [ -n "${predefault}" ]
1698 printf " /* Check variable changed from pre-default. */\n"
1699 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1701 printf " if (gdbarch_debug >= 2)\n"
1702 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1703 printf " return gdbarch->${function};\n"
1707 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1708 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1710 printf " gdbarch->${function} = ${function};\n"
1712 elif class_is_info_p
1715 printf "${returntype}\n"
1716 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1718 printf " gdb_assert (gdbarch != NULL);\n"
1719 printf " if (gdbarch_debug >= 2)\n"
1720 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1721 printf " return gdbarch->${function};\n"
1726 # All the trailing guff
1730 /* Keep a registry of per-architecture data-pointers required by GDB
1737 gdbarch_data_pre_init_ftype *pre_init;
1738 gdbarch_data_post_init_ftype *post_init;
1741 struct gdbarch_data_registration
1743 struct gdbarch_data *data;
1744 struct gdbarch_data_registration *next;
1747 struct gdbarch_data_registry
1750 struct gdbarch_data_registration *registrations;
1753 struct gdbarch_data_registry gdbarch_data_registry =
1758 static struct gdbarch_data *
1759 gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init,
1760 gdbarch_data_post_init_ftype *post_init)
1762 struct gdbarch_data_registration **curr;
1763 /* Append the new registraration. */
1764 for (curr = &gdbarch_data_registry.registrations;
1766 curr = &(*curr)->next);
1767 (*curr) = XMALLOC (struct gdbarch_data_registration);
1768 (*curr)->next = NULL;
1769 (*curr)->data = XMALLOC (struct gdbarch_data);
1770 (*curr)->data->index = gdbarch_data_registry.nr++;
1771 (*curr)->data->pre_init = pre_init;
1772 (*curr)->data->post_init = post_init;
1773 (*curr)->data->init_p = 1;
1774 return (*curr)->data;
1777 struct gdbarch_data *
1778 gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init)
1780 return gdbarch_data_register (pre_init, NULL);
1783 struct gdbarch_data *
1784 gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init)
1786 return gdbarch_data_register (NULL, post_init);
1789 /* Create/delete the gdbarch data vector. */
1792 alloc_gdbarch_data (struct gdbarch *gdbarch)
1794 gdb_assert (gdbarch->data == NULL);
1795 gdbarch->nr_data = gdbarch_data_registry.nr;
1796 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1799 /* Initialize the current value of the specified per-architecture
1803 deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1804 struct gdbarch_data *data,
1807 gdb_assert (data->index < gdbarch->nr_data);
1808 gdb_assert (gdbarch->data[data->index] == NULL);
1809 gdb_assert (data->pre_init == NULL);
1810 gdbarch->data[data->index] = pointer;
1813 /* Return the current value of the specified per-architecture
1817 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1819 gdb_assert (data->index < gdbarch->nr_data);
1820 if (gdbarch->data[data->index] == NULL)
1822 /* The data-pointer isn't initialized, call init() to get a
1824 if (data->pre_init != NULL)
1825 /* Mid architecture creation: pass just the obstack, and not
1826 the entire architecture, as that way it isn't possible for
1827 pre-init code to refer to undefined architecture
1829 gdbarch->data[data->index] = data->pre_init (gdbarch->obstack);
1830 else if (gdbarch->initialized_p
1831 && data->post_init != NULL)
1832 /* Post architecture creation: pass the entire architecture
1833 (as all fields are valid), but be careful to also detect
1834 recursive references. */
1836 gdb_assert (data->init_p);
1838 gdbarch->data[data->index] = data->post_init (gdbarch);
1842 /* The architecture initialization hasn't completed - punt -
1843 hope that the caller knows what they are doing. Once
1844 deprecated_set_gdbarch_data has been initialized, this can be
1845 changed to an internal error. */
1847 gdb_assert (gdbarch->data[data->index] != NULL);
1849 return gdbarch->data[data->index];
1854 /* Keep a registry of swapped data required by GDB modules. */
1859 struct gdbarch_swap_registration *source;
1860 struct gdbarch_swap *next;
1863 struct gdbarch_swap_registration
1866 unsigned long sizeof_data;
1867 gdbarch_swap_ftype *init;
1868 struct gdbarch_swap_registration *next;
1871 struct gdbarch_swap_registry
1874 struct gdbarch_swap_registration *registrations;
1877 struct gdbarch_swap_registry gdbarch_swap_registry =
1883 deprecated_register_gdbarch_swap (void *data,
1884 unsigned long sizeof_data,
1885 gdbarch_swap_ftype *init)
1887 struct gdbarch_swap_registration **rego;
1888 for (rego = &gdbarch_swap_registry.registrations;
1890 rego = &(*rego)->next);
1891 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1892 (*rego)->next = NULL;
1893 (*rego)->init = init;
1894 (*rego)->data = data;
1895 (*rego)->sizeof_data = sizeof_data;
1899 current_gdbarch_swap_init_hack (void)
1901 struct gdbarch_swap_registration *rego;
1902 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1903 for (rego = gdbarch_swap_registry.registrations;
1907 if (rego->data != NULL)
1909 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1910 struct gdbarch_swap);
1911 (*curr)->source = rego;
1912 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1914 (*curr)->next = NULL;
1915 curr = &(*curr)->next;
1917 if (rego->init != NULL)
1922 static struct gdbarch *
1923 current_gdbarch_swap_out_hack (void)
1925 struct gdbarch *old_gdbarch = current_gdbarch;
1926 struct gdbarch_swap *curr;
1928 gdb_assert (old_gdbarch != NULL);
1929 for (curr = old_gdbarch->swap;
1933 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1934 memset (curr->source->data, 0, curr->source->sizeof_data);
1936 current_gdbarch = NULL;
1941 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
1943 struct gdbarch_swap *curr;
1945 gdb_assert (current_gdbarch == NULL);
1946 for (curr = new_gdbarch->swap;
1949 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1950 current_gdbarch = new_gdbarch;
1954 /* Keep a registry of the architectures known by GDB. */
1956 struct gdbarch_registration
1958 enum bfd_architecture bfd_architecture;
1959 gdbarch_init_ftype *init;
1960 gdbarch_dump_tdep_ftype *dump_tdep;
1961 struct gdbarch_list *arches;
1962 struct gdbarch_registration *next;
1965 static struct gdbarch_registration *gdbarch_registry = NULL;
1968 append_name (const char ***buf, int *nr, const char *name)
1970 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1976 gdbarch_printable_names (void)
1978 /* Accumulate a list of names based on the registed list of
1980 enum bfd_architecture a;
1982 const char **arches = NULL;
1983 struct gdbarch_registration *rego;
1984 for (rego = gdbarch_registry;
1988 const struct bfd_arch_info *ap;
1989 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
1991 internal_error (__FILE__, __LINE__,
1992 _("gdbarch_architecture_names: multi-arch unknown"));
1995 append_name (&arches, &nr_arches, ap->printable_name);
2000 append_name (&arches, &nr_arches, NULL);
2006 gdbarch_register (enum bfd_architecture bfd_architecture,
2007 gdbarch_init_ftype *init,
2008 gdbarch_dump_tdep_ftype *dump_tdep)
2010 struct gdbarch_registration **curr;
2011 const struct bfd_arch_info *bfd_arch_info;
2012 /* Check that BFD recognizes this architecture */
2013 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2014 if (bfd_arch_info == NULL)
2016 internal_error (__FILE__, __LINE__,
2017 _("gdbarch: Attempt to register unknown architecture (%d)"),
2020 /* Check that we haven't seen this architecture before */
2021 for (curr = &gdbarch_registry;
2023 curr = &(*curr)->next)
2025 if (bfd_architecture == (*curr)->bfd_architecture)
2026 internal_error (__FILE__, __LINE__,
2027 _("gdbarch: Duplicate registraration of architecture (%s)"),
2028 bfd_arch_info->printable_name);
2032 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2033 bfd_arch_info->printable_name,
2036 (*curr) = XMALLOC (struct gdbarch_registration);
2037 (*curr)->bfd_architecture = bfd_architecture;
2038 (*curr)->init = init;
2039 (*curr)->dump_tdep = dump_tdep;
2040 (*curr)->arches = NULL;
2041 (*curr)->next = NULL;
2045 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2046 gdbarch_init_ftype *init)
2048 gdbarch_register (bfd_architecture, init, NULL);
2052 /* Look for an architecture using gdbarch_info. */
2054 struct gdbarch_list *
2055 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2056 const struct gdbarch_info *info)
2058 for (; arches != NULL; arches = arches->next)
2060 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2062 if (info->byte_order != arches->gdbarch->byte_order)
2064 if (info->osabi != arches->gdbarch->osabi)
2066 if (info->target_desc != arches->gdbarch->target_desc)
2074 /* Find an architecture that matches the specified INFO. Create a new
2075 architecture if needed. Return that new architecture. Assumes
2076 that there is no current architecture. */
2078 static struct gdbarch *
2079 find_arch_by_info (struct gdbarch_info info)
2081 struct gdbarch *new_gdbarch;
2082 struct gdbarch_registration *rego;
2084 /* The existing architecture has been swapped out - all this code
2085 works from a clean slate. */
2086 gdb_assert (current_gdbarch == NULL);
2088 /* Fill in missing parts of the INFO struct using a number of
2089 sources: "set ..."; INFOabfd supplied; and the global
2091 gdbarch_info_fill (&info);
2093 /* Must have found some sort of architecture. */
2094 gdb_assert (info.bfd_arch_info != NULL);
2098 fprintf_unfiltered (gdb_stdlog,
2099 "find_arch_by_info: info.bfd_arch_info %s\n",
2100 (info.bfd_arch_info != NULL
2101 ? info.bfd_arch_info->printable_name
2103 fprintf_unfiltered (gdb_stdlog,
2104 "find_arch_by_info: info.byte_order %d (%s)\n",
2106 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2107 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2109 fprintf_unfiltered (gdb_stdlog,
2110 "find_arch_by_info: info.osabi %d (%s)\n",
2111 info.osabi, gdbarch_osabi_name (info.osabi));
2112 fprintf_unfiltered (gdb_stdlog,
2113 "find_arch_by_info: info.abfd 0x%lx\n",
2115 fprintf_unfiltered (gdb_stdlog,
2116 "find_arch_by_info: info.tdep_info 0x%lx\n",
2117 (long) info.tdep_info);
2120 /* Find the tdep code that knows about this architecture. */
2121 for (rego = gdbarch_registry;
2124 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2129 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2130 "No matching architecture\n");
2134 /* Ask the tdep code for an architecture that matches "info". */
2135 new_gdbarch = rego->init (info, rego->arches);
2137 /* Did the tdep code like it? No. Reject the change and revert to
2138 the old architecture. */
2139 if (new_gdbarch == NULL)
2142 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2143 "Target rejected architecture\n");
2147 /* Is this a pre-existing architecture (as determined by already
2148 being initialized)? Move it to the front of the architecture
2149 list (keeping the list sorted Most Recently Used). */
2150 if (new_gdbarch->initialized_p)
2152 struct gdbarch_list **list;
2153 struct gdbarch_list *this;
2155 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2156 "Previous architecture 0x%08lx (%s) selected\n",
2158 new_gdbarch->bfd_arch_info->printable_name);
2159 /* Find the existing arch in the list. */
2160 for (list = ®o->arches;
2161 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2162 list = &(*list)->next);
2163 /* It had better be in the list of architectures. */
2164 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2167 (*list) = this->next;
2168 /* Insert THIS at the front. */
2169 this->next = rego->arches;
2170 rego->arches = this;
2175 /* It's a new architecture. */
2177 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2178 "New architecture 0x%08lx (%s) selected\n",
2180 new_gdbarch->bfd_arch_info->printable_name);
2182 /* Insert the new architecture into the front of the architecture
2183 list (keep the list sorted Most Recently Used). */
2185 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2186 this->next = rego->arches;
2187 this->gdbarch = new_gdbarch;
2188 rego->arches = this;
2191 /* Check that the newly installed architecture is valid. Plug in
2192 any post init values. */
2193 new_gdbarch->dump_tdep = rego->dump_tdep;
2194 verify_gdbarch (new_gdbarch);
2195 new_gdbarch->initialized_p = 1;
2197 /* Initialize any per-architecture swap areas. This phase requires
2198 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2199 swap the entire architecture out. */
2200 current_gdbarch = new_gdbarch;
2201 current_gdbarch_swap_init_hack ();
2202 current_gdbarch_swap_out_hack ();
2205 gdbarch_dump (new_gdbarch, gdb_stdlog);
2211 gdbarch_find_by_info (struct gdbarch_info info)
2213 /* Save the previously selected architecture, setting the global to
2214 NULL. This stops things like gdbarch->init() trying to use the
2215 previous architecture's configuration. The previous architecture
2216 may not even be of the same architecture family. The most recent
2217 architecture of the same family is found at the head of the
2218 rego->arches list. */
2219 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2221 /* Find the specified architecture. */
2222 struct gdbarch *new_gdbarch = find_arch_by_info (info);
2224 /* Restore the existing architecture. */
2225 gdb_assert (current_gdbarch == NULL);
2226 current_gdbarch_swap_in_hack (old_gdbarch);
2231 /* Make the specified architecture current, swapping the existing one
2235 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2237 gdb_assert (new_gdbarch != NULL);
2238 gdb_assert (current_gdbarch != NULL);
2239 gdb_assert (new_gdbarch->initialized_p);
2240 current_gdbarch_swap_out_hack ();
2241 current_gdbarch_swap_in_hack (new_gdbarch);
2242 architecture_changed_event ();
2243 reinit_frame_cache ();
2246 extern void _initialize_gdbarch (void);
2249 _initialize_gdbarch (void)
2251 struct cmd_list_element *c;
2253 add_setshow_zinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\
2254 Set architecture debugging."), _("\\
2255 Show architecture debugging."), _("\\
2256 When non-zero, architecture debugging is enabled."),
2259 &setdebuglist, &showdebuglist);
2265 #../move-if-change new-gdbarch.c gdbarch.c
2266 compare_new gdbarch.c