3 # Architecture commands for GDB, the GNU debugger.
4 # Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
6 # This file is part of GDB.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 # Make certain that the script is running in an internationalized
25 LC_ALL
=c
; export LC_ALL
33 echo "${file} missing? cp new-${file} ${file}" 1>&2
34 elif diff -u ${file} new-
${file}
36 echo "${file} unchanged" 1>&2
38 echo "${file} has changed? cp new-${file} ${file}" 1>&2
43 # Format of the input table
44 read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
52 if test "${line}" = ""
55 elif test "${line}" = "#" -a "${comment}" = ""
58 elif expr "${line}" : "#" > /dev
/null
64 # The semantics of IFS varies between different SH's. Some
65 # treat ``::' as three fields while some treat it as just too.
66 # Work around this by eliminating ``::'' ....
67 line
="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
69 OFS
="${IFS}" ; IFS
="[:]"
70 eval read ${read} <<EOF
75 # .... and then going back through each field and strip out those
76 # that ended up with just that space character.
79 if eval test \"\
${${r}}\" = \"\
\"
86 1 ) gt_level
=">= GDB_MULTI_ARCH_PARTIAL" ;;
87 2 ) gt_level
="> GDB_MULTI_ARCH_PARTIAL" ;;
88 "" ) gt_level
="> GDB_MULTI_ARCH_PARTIAL" ;;
89 * ) error
"Error: bad level for ${function}" 1>&2 ; kill $$
; exit 1 ;;
93 m
) staticdefault
="${predefault}" ;;
94 M
) staticdefault
="0" ;;
95 * ) test "${staticdefault}" || staticdefault
=0 ;;
98 # come up with a format, use a few guesses for variables
99 case ":${class}:${fmt}:${print}:" in
101 if [ "${returntype}" = int
]
105 elif [ "${returntype}" = long
]
112 test "${fmt}" ||
fmt="%ld"
113 test "${print}" || print
="(long) ${macro}"
117 case "${invalid_p}" in
119 if test -n "${predefault}"
121 #invalid_p="gdbarch->${function} == ${predefault}"
122 predicate
="gdbarch->${function} != ${predefault}"
123 elif class_is_variable_p
125 predicate
="gdbarch->${function} != 0"
126 elif class_is_function_p
128 predicate
="gdbarch->${function} != NULL"
132 echo "Predicate function ${function} with invalid_p." 1>&2
139 # PREDEFAULT is a valid fallback definition of MEMBER when
140 # multi-arch is not enabled. This ensures that the
141 # default value, when multi-arch is the same as the
142 # default value when not multi-arch. POSTDEFAULT is
143 # always a valid definition of MEMBER as this again
144 # ensures consistency.
146 if [ -n "${postdefault}" ]
148 fallbackdefault
="${postdefault}"
149 elif [ -n "${predefault}" ]
151 fallbackdefault
="${predefault}"
156 #NOT YET: See gdbarch.log for basic verification of
171 fallback_default_p
()
173 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
174 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
177 class_is_variable_p
()
185 class_is_function_p
()
188 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
193 class_is_multiarch_p
()
201 class_is_predicate_p
()
204 *F
* |
*V
* |
*M
* ) true
;;
218 # dump out/verify the doco
228 # F -> function + predicate
229 # hiding a function + predicate to test function validity
232 # V -> variable + predicate
233 # hiding a variable + predicate to test variables validity
235 # hiding something from the ``struct info'' object
236 # m -> multi-arch function
237 # hiding a multi-arch function (parameterised with the architecture)
238 # M -> multi-arch function + predicate
239 # hiding a multi-arch function + predicate to test function validity
243 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
244 # LEVEL is a predicate on checking that a given method is
245 # initialized (using INVALID_P).
249 # The name of the MACRO that this method is to be accessed by.
253 # For functions, the return type; for variables, the data type
257 # For functions, the member function name; for variables, the
258 # variable name. Member function names are always prefixed with
259 # ``gdbarch_'' for name-space purity.
263 # The formal argument list. It is assumed that the formal
264 # argument list includes the actual name of each list element.
265 # A function with no arguments shall have ``void'' as the
266 # formal argument list.
270 # The list of actual arguments. The arguments specified shall
271 # match the FORMAL list given above. Functions with out
272 # arguments leave this blank.
276 # Any GCC attributes that should be attached to the function
277 # declaration. At present this field is unused.
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 ``gdbarch'' which will
327 # contain the current architecture. Care should be taken.
331 # A predicate equation that validates MEMBER. Non-zero is
332 # returned if the code creating the new architecture failed to
333 # initialize MEMBER or the initialized the member is invalid.
334 # If POSTDEFAULT is non-empty then MEMBER will be updated to
335 # that value. If POSTDEFAULT is empty then internal_error()
338 # If INVALID_P is empty, a check that MEMBER is no longer
339 # equal to PREDEFAULT is used.
341 # The expression ``0'' disables the INVALID_P check making
342 # PREDEFAULT a legitimate value.
344 # See also PREDEFAULT and POSTDEFAULT.
348 # printf style format string that can be used to print out the
349 # MEMBER. Sometimes "%s" is useful. For functions, this is
350 # ignored and the function address is printed.
352 # If FMT is empty, ``%ld'' is used.
356 # An optional equation that casts MEMBER to a value suitable
357 # for formatting by FMT.
359 # If PRINT is empty, ``(long)'' is used.
363 # An optional indicator for any predicte to wrap around the
366 # () -> Call a custom function to do the dump.
367 # exp -> Wrap print up in ``if (${print_p}) ...
368 # ``'' -> No predicate
370 # If PRINT_P is empty, ``1'' is always used.
377 echo "Bad field ${field}"
385 # See below (DOCO) for description of each field
387 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
389 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
391 i:2:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN
392 # Number of bits in a char or unsigned char for the target machine.
393 # Just like CHAR_BIT in <limits.h> but describes the target machine.
394 # v:2:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
396 # Number of bits in a short or unsigned short for the target machine.
397 v:2:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
398 # Number of bits in an int or unsigned int for the target machine.
399 v:2:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
400 # Number of bits in a long or unsigned long for the target machine.
401 v:2:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
402 # Number of bits in a long long or unsigned long long for the target
404 v:2:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
405 # Number of bits in a float for the target machine.
406 v:2:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
407 # Number of bits in a double for the target machine.
408 v:2:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
409 # Number of bits in a long double for the target machine.
410 v:2:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
411 # For most targets, a pointer on the target and its representation as an
412 # address in GDB have the same size and "look the same". For such a
413 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
414 # / addr_bit will be set from it.
416 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
417 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
419 # ptr_bit is the size of a pointer on the target
420 v:2:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
421 # addr_bit is the size of a target address as represented in gdb
422 v:2:TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
423 # Number of bits in a BFD_VMA for the target object file format.
424 v:2:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
426 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
427 v:2:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
429 F:2:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
430 f:2:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
431 # UNWIND_SP is a direct replacement for TARGET_READ_SP.
432 F:2:TARGET_READ_SP:CORE_ADDR:read_sp:void
433 # Function for getting target's idea of a frame pointer. FIXME: GDB's
434 # whole scheme for dealing with "frames" and "frame pointers" needs a
436 f:2: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
438 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf
439 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf
441 v:2:NUM_REGS:int:num_regs::::0:-1
442 # This macro gives the number of pseudo-registers that live in the
443 # register namespace but do not get fetched or stored on the target.
444 # These pseudo-registers may be aliases for other registers,
445 # combinations of other registers, or they may be computed by GDB.
446 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
448 # GDB's standard (or well known) register numbers. These can map onto
449 # a real register or a pseudo (computed) register or not be defined at
451 # SP_REGNUM will hopefully be replaced by UNWIND_SP.
452 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
453 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
454 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
455 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
456 # Replace DEPRECATED_NPC_REGNUM with an implementation of WRITE_PC
457 # that updates PC, NPC and even NNPC.
458 v:2:DEPRECATED_NPC_REGNUM:int:deprecated_npc_regnum::::0:-1::0
459 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
460 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
461 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
462 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
463 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
464 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
465 # Convert from an sdb register number to an internal gdb register number.
466 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
467 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
468 f::REGISTER_NAME:const char *:register_name:int regnr:regnr
470 # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE.
471 M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr
472 # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE.
473 F:2:DEPRECATED_REGISTER_VIRTUAL_TYPE:struct type *:deprecated_register_virtual_type:int reg_nr:reg_nr
474 # DEPRECATED_REGISTER_BYTES can be deleted. The value is computed
475 # from REGISTER_TYPE.
476 v::DEPRECATED_REGISTER_BYTES:int:deprecated_register_bytes
477 # If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
478 # register offsets computed using just REGISTER_TYPE, this can be
479 # deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
480 # function with predicate has a valid (callable) initial value. As a
481 # consequence, even when the predicate is false, the corresponding
482 # function works. This simplifies the migration process - old code,
483 # calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified.
484 F::DEPRECATED_REGISTER_BYTE:int:deprecated_register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte
485 # If all registers have identical raw and virtual sizes and those
486 # sizes agree with the value computed from REGISTER_TYPE,
487 # DEPRECATED_REGISTER_RAW_SIZE can be deleted. See: maint print
489 F:2:DEPRECATED_REGISTER_RAW_SIZE:int:deprecated_register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
490 # If all registers have identical raw and virtual sizes and those
491 # sizes agree with the value computed from REGISTER_TYPE,
492 # DEPRECATED_REGISTER_VIRTUAL_SIZE can be deleted. See: maint print
494 F:2:DEPRECATED_REGISTER_VIRTUAL_SIZE:int:deprecated_register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
495 # DEPRECATED_MAX_REGISTER_RAW_SIZE can be deleted. It has been
496 # replaced by the constant MAX_REGISTER_SIZE.
497 V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
498 # DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE can be deleted. It has been
499 # replaced by the constant MAX_REGISTER_SIZE.
500 V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
502 # See gdbint.texinfo, and PUSH_DUMMY_CALL.
503 M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info
504 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
505 # SAVE_DUMMY_FRAME_TOS.
506 F:2:DEPRECATED_SAVE_DUMMY_FRAME_TOS:void:deprecated_save_dummy_frame_tos:CORE_ADDR sp:sp
507 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
508 # DEPRECATED_FP_REGNUM.
509 v:2:DEPRECATED_FP_REGNUM:int:deprecated_fp_regnum::::-1:-1::0
510 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
511 # DEPRECATED_TARGET_READ_FP.
512 F::DEPRECATED_TARGET_READ_FP:CORE_ADDR:deprecated_target_read_fp:void
514 # See gdbint.texinfo. See infcall.c. New, all singing all dancing,
515 # replacement for DEPRECATED_PUSH_ARGUMENTS.
516 M::PUSH_DUMMY_CALL:CORE_ADDR:push_dummy_call:CORE_ADDR func_addr, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:func_addr, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr
517 # PUSH_DUMMY_CALL is a direct replacement for DEPRECATED_PUSH_ARGUMENTS.
518 F:2:DEPRECATED_PUSH_ARGUMENTS: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
519 # DEPRECATED_USE_GENERIC_DUMMY_FRAMES can be deleted. Always true.
520 v::DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
521 # Implement PUSH_RETURN_ADDRESS, and then merge in
522 # DEPRECATED_PUSH_RETURN_ADDRESS.
523 F:2:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp
524 # Implement PUSH_DUMMY_CALL, then merge in DEPRECATED_DUMMY_WRITE_SP.
525 F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val
526 # DEPRECATED_REGISTER_SIZE can be deleted.
527 v::DEPRECATED_REGISTER_SIZE:int:deprecated_register_size
528 v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
529 F::DEPRECATED_CALL_DUMMY_ADDRESS:CORE_ADDR:deprecated_call_dummy_address:void
530 # DEPRECATED_CALL_DUMMY_START_OFFSET can be deleted.
531 v::DEPRECATED_CALL_DUMMY_START_OFFSET:CORE_ADDR:deprecated_call_dummy_start_offset
532 # DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET can be deleted.
533 v::DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:deprecated_call_dummy_breakpoint_offset
534 # DEPRECATED_CALL_DUMMY_LENGTH can be deleted.
535 v::DEPRECATED_CALL_DUMMY_LENGTH:int:deprecated_call_dummy_length
536 # DEPRECATED_CALL_DUMMY_WORDS can be deleted.
537 v::DEPRECATED_CALL_DUMMY_WORDS:LONGEST *:deprecated_call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
538 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_SIZEOF_CALL_DUMMY_WORDS.
539 v::DEPRECATED_SIZEOF_CALL_DUMMY_WORDS:int:deprecated_sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
540 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_CALL_DUMMY_STACK_ADJUST.
541 V:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust
542 # DEPRECATED_FIX_CALL_DUMMY can be deleted. For the SPARC, implement
543 # PUSH_DUMMY_CODE and set CALL_DUMMY_LOCATION to ON_STACK.
544 F::DEPRECATED_FIX_CALL_DUMMY:void:deprecated_fix_call_dummy:char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs, struct value **args, struct type *type, int gcc_p:dummy, pc, fun, nargs, args, type, gcc_p
545 # This is a replacement for DEPRECATED_FIX_CALL_DUMMY et.al.
546 M::PUSH_DUMMY_CODE: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
547 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_PUSH_DUMMY_FRAME.
548 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-
549 # Implement PUSH_DUMMY_CALL, then delete
550 # DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED.
551 v:2:DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED:int:deprecated_extra_stack_alignment_needed::::0:0::0:::
553 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
554 m:2:PRINT_REGISTERS_INFO: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
555 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
556 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
557 # MAP a GDB RAW register number onto a simulator register number. See
558 # also include/...-sim.h.
559 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
560 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes
561 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
562 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
563 # setjmp/longjmp support.
564 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc
565 # NOTE: cagney/2002-11-24: This function with predicate has a valid
566 # (callable) initial value. As a consequence, even when the predicate
567 # is false, the corresponding function works. This simplifies the
568 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
569 # doesn't need to be modified.
570 F::DEPRECATED_PC_IN_CALL_DUMMY:int:deprecated_pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::generic_pc_in_call_dummy:generic_pc_in_call_dummy
571 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
572 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
574 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
575 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
576 F:2:DEPRECATED_GET_SAVED_REGISTER:void:deprecated_get_saved_register:char *raw_buffer, int *optimized, CORE_ADDR *addrp, struct frame_info *frame, int regnum, enum lval_type *lval:raw_buffer, optimized, addrp, frame, regnum, lval
578 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
579 # For raw <-> cooked register conversions, replaced by pseudo registers.
580 f:2:DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr:::deprecated_register_convertible_not::0
581 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
582 # For raw <-> cooked register conversions, replaced by pseudo registers.
583 f:2:DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL:void:deprecated_register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0::0
584 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
585 # For raw <-> cooked register conversions, replaced by pseudo registers.
586 f:2:DEPRECATED_REGISTER_CONVERT_TO_RAW:void:deprecated_register_convert_to_raw:struct type *type, int regnum, const char *from, char *to:type, regnum, from, to:::0::0
588 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum, struct type *type:regnum, type::0:legacy_convert_register_p::0
589 f:1:REGISTER_TO_VALUE:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, void *buf:frame, regnum, type, buf::0:legacy_register_to_value::0
590 f:1:VALUE_TO_REGISTER:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const void *buf:frame, regnum, type, buf::0:legacy_value_to_register::0
592 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
593 f:2:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, void *buf, CORE_ADDR addr:type, buf, addr:::unsigned_address_to_pointer::0
594 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
596 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
597 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
598 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
600 # It has been suggested that this, well actually its predecessor,
601 # should take the type/value of the function to be called and not the
602 # return type. This is left as an exercise for the reader.
604 M:::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, const void *inval, void *outval:valtype, regcache, inval, outval
606 # The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
607 # STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
608 # into RETURN_VALUE. For the moment do not try to fold in
609 # EXTRACT_STRUCT_VALUE_ADDRESS as, dependant on the ABI, the debug
610 # info, and the level of effort, it may well be possible to find the
611 # address of a structure being return on the stack. Someone else can
614 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
615 f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
616 f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf:::legacy_store_return_value::0
617 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
618 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
619 f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::generic_use_struct_convention::0
621 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
622 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf
624 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
625 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
627 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
628 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
629 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
630 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
631 M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
632 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
633 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
634 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
635 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
637 m::REMOTE_TRANSLATE_XFER_ADDRESS: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
639 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
640 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
641 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
642 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
643 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
644 # note, per UNWIND_PC's doco, that while the two have similar
645 # interfaces they have very different underlying implementations.
646 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
647 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
648 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
649 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
650 # frame-base. Enable frame-base before frame-unwind.
651 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
652 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
653 # frame-base. Enable frame-base before frame-unwind.
654 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
655 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
656 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
658 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
659 # to frame_align and the requirement that methods such as
660 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
662 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
663 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
664 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
665 # stabs_argument_has_addr.
666 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
667 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
668 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
669 v:2:PARM_BOUNDARY:int:parm_boundary
671 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
672 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
673 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
674 m:::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ:::convert_from_func_ptr_addr_identity::0
675 # On some machines there are bits in addresses which are not really
676 # part of the address, but are used by the kernel, the hardware, etc.
677 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
678 # we get a "real" address such as one would find in a symbol table.
679 # This is used only for addresses of instructions, and even then I'm
680 # not sure it's used in all contexts. It exists to deal with there
681 # being a few stray bits in the PC which would mislead us, not as some
682 # sort of generic thing to handle alignment or segmentation (it's
683 # possible it should be in TARGET_READ_PC instead).
684 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
685 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
687 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
688 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
689 # the target needs software single step. An ISA method to implement it.
691 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
692 # using the breakpoint system instead of blatting memory directly (as with rs6000).
694 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
695 # single step. If not, then implement single step using breakpoints.
696 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
697 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
698 # disassembler. Perhaphs objdump can handle it?
699 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
700 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
703 # For SVR4 shared libraries, each call goes through a small piece of
704 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
705 # to nonzero if we are currently stopped in one of these.
706 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
708 # Some systems also have trampoline code for returning from shared libs.
709 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
711 # Sigtramp is a routine that the kernel calls (which then calls the
712 # signal handler). On most machines it is a library routine that is
713 # linked into the executable.
715 # This macro, given a program counter value and the name of the
716 # function in which that PC resides (which can be null if the name is
717 # not known), returns nonzero if the PC and name show that we are in
720 # On most machines just see if the name is sigtramp (and if we have
721 # no name, assume we are not in sigtramp).
723 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
724 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
725 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
726 # own local NAME lookup.
728 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
729 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
731 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
732 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
733 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
734 # A target might have problems with watchpoints as soon as the stack
735 # frame of the current function has been destroyed. This mostly happens
736 # as the first action in a funtion's epilogue. in_function_epilogue_p()
737 # is defined to return a non-zero value if either the given addr is one
738 # instruction after the stack destroying instruction up to the trailing
739 # return instruction or if we can figure out that the stack frame has
740 # already been invalidated regardless of the value of addr. Targets
741 # which don't suffer from that problem could just let this functionality
743 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
744 # Given a vector of command-line arguments, return a newly allocated
745 # string which, when passed to the create_inferior function, will be
746 # parsed (on Unix systems, by the shell) to yield the same vector.
747 # This function should call error() if the argument vector is not
748 # representable for this target or if this target does not support
749 # command-line arguments.
750 # ARGC is the number of elements in the vector.
751 # ARGV is an array of strings, one per argument.
752 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
753 f:2:ELF_MAKE_MSYMBOL_SPECIAL:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym:::default_elf_make_msymbol_special::0
754 f:2:COFF_MAKE_MSYMBOL_SPECIAL:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym:::default_coff_make_msymbol_special::0
755 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
756 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
757 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
758 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
759 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
760 M:2:ADDRESS_CLASS_NAME_TO_TYPE_FLAGS:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
761 # Is a register in a group
762 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
763 # Fetch the pointer to the ith function argument.
764 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
766 # Return the appropriate register set for a core file section with
767 # name SECT_NAME and size SECT_SIZE.
768 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
775 exec > new-gdbarch.log
776 function_list |
while do_read
779 ${class} ${macro}(${actual})
780 ${returntype} ${function} ($formal)${attrib}
784 eval echo \"\ \ \ \
${r}=\
${${r}}\"
786 if class_is_predicate_p
&& fallback_default_p
788 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
792 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
794 echo "Error: postdefault is useless when invalid_p=0" 1>&2
798 if class_is_multiarch_p
800 if class_is_predicate_p
; then :
801 elif test "x${predefault}" = "x"
803 echo "Error: pure multi-arch function must have a predefault" 1>&2
812 compare_new gdbarch.log
818 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
820 /* Dynamic architecture support for GDB, the GNU debugger.
821 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
823 This file is part of GDB.
825 This program is free software; you can redistribute it and/or modify
826 it under the terms of the GNU General Public License as published by
827 the Free Software Foundation; either version 2 of the License, or
828 (at your option) any later version.
830 This program is distributed in the hope that it will be useful,
831 but WITHOUT ANY WARRANTY; without even the implied warranty of
832 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
833 GNU General Public License for more details.
835 You should have received a copy of the GNU General Public License
836 along with this program; if not, write to the Free Software
837 Foundation, Inc., 59 Temple Place - Suite 330,
838 Boston, MA 02111-1307, USA. */
840 /* This file was created with the aid of \`\`gdbarch.sh''.
842 The Bourne shell script \`\`gdbarch.sh'' creates the files
843 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
844 against the existing \`\`gdbarch.[hc]''. Any differences found
847 If editing this file, please also run gdbarch.sh and merge any
848 changes into that script. Conversely, when making sweeping changes
849 to this file, modifying gdbarch.sh and using its output may prove
870 struct minimal_symbol;
874 struct disassemble_info;
877 extern struct gdbarch *current_gdbarch;
880 /* If any of the following are defined, the target wasn't correctly
883 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
884 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
891 printf "/* The following are pre-initialized by GDBARCH. */\n"
892 function_list |
while do_read
897 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
898 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
899 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
900 printf "#error \"Non multi-arch definition of ${macro}\"\n"
902 printf "#if !defined (${macro})\n"
903 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
911 printf "/* The following are initialized by the target dependent code. */\n"
912 function_list |
while do_read
914 if [ -n "${comment}" ]
916 echo "${comment}" |
sed \
921 if class_is_multiarch_p
923 if class_is_predicate_p
926 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
929 if class_is_predicate_p
932 printf "#if defined (${macro})\n"
933 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
934 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
935 printf "#if !defined (${macro}_P)\n"
936 printf "#define ${macro}_P() (1)\n"
940 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
941 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
942 printf "#error \"Non multi-arch definition of ${macro}\"\n"
944 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
945 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
949 if class_is_variable_p
952 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
953 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
954 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
955 printf "#error \"Non multi-arch definition of ${macro}\"\n"
957 printf "#if !defined (${macro})\n"
958 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
961 if class_is_function_p
964 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
966 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
967 elif class_is_multiarch_p
969 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
971 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
973 if [ "x${formal}" = "xvoid" ]
975 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
977 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
979 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
980 if class_is_multiarch_p
; then :
982 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
983 printf "#error \"Non multi-arch definition of ${macro}\"\n"
985 if [ "x${actual}" = "x" ]
987 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
988 elif [ "x${actual}" = "x-" ]
990 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
992 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
994 printf "#if !defined (${macro})\n"
995 if [ "x${actual}" = "x" ]
997 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
998 elif [ "x${actual}" = "x-" ]
1000 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1002 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1012 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1015 /* Mechanism for co-ordinating the selection of a specific
1018 GDB targets (*-tdep.c) can register an interest in a specific
1019 architecture. Other GDB components can register a need to maintain
1020 per-architecture data.
1022 The mechanisms below ensures that there is only a loose connection
1023 between the set-architecture command and the various GDB
1024 components. Each component can independently register their need
1025 to maintain architecture specific data with gdbarch.
1029 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1032 The more traditional mega-struct containing architecture specific
1033 data for all the various GDB components was also considered. Since
1034 GDB is built from a variable number of (fairly independent)
1035 components it was determined that the global aproach was not
1039 /* Register a new architectural family with GDB.
1041 Register support for the specified ARCHITECTURE with GDB. When
1042 gdbarch determines that the specified architecture has been
1043 selected, the corresponding INIT function is called.
1047 The INIT function takes two parameters: INFO which contains the
1048 information available to gdbarch about the (possibly new)
1049 architecture; ARCHES which is a list of the previously created
1050 \`\`struct gdbarch'' for this architecture.
1052 The INFO parameter is, as far as possible, be pre-initialized with
1053 information obtained from INFO.ABFD or the previously selected
1056 The ARCHES parameter is a linked list (sorted most recently used)
1057 of all the previously created architures for this architecture
1058 family. The (possibly NULL) ARCHES->gdbarch can used to access
1059 values from the previously selected architecture for this
1060 architecture family. The global \`\`current_gdbarch'' shall not be
1063 The INIT function shall return any of: NULL - indicating that it
1064 doesn't recognize the selected architecture; an existing \`\`struct
1065 gdbarch'' from the ARCHES list - indicating that the new
1066 architecture is just a synonym for an earlier architecture (see
1067 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1068 - that describes the selected architecture (see gdbarch_alloc()).
1070 The DUMP_TDEP function shall print out all target specific values.
1071 Care should be taken to ensure that the function works in both the
1072 multi-arch and non- multi-arch cases. */
1076 struct gdbarch *gdbarch;
1077 struct gdbarch_list *next;
1082 /* Use default: NULL (ZERO). */
1083 const struct bfd_arch_info *bfd_arch_info;
1085 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1088 /* Use default: NULL (ZERO). */
1091 /* Use default: NULL (ZERO). */
1092 struct gdbarch_tdep_info *tdep_info;
1094 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1095 enum gdb_osabi osabi;
1098 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1099 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1101 /* DEPRECATED - use gdbarch_register() */
1102 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1104 extern void gdbarch_register (enum bfd_architecture architecture,
1105 gdbarch_init_ftype *,
1106 gdbarch_dump_tdep_ftype *);
1109 /* Return a freshly allocated, NULL terminated, array of the valid
1110 architecture names. Since architectures are registered during the
1111 _initialize phase this function only returns useful information
1112 once initialization has been completed. */
1114 extern const char **gdbarch_printable_names (void);
1117 /* Helper function. Search the list of ARCHES for a GDBARCH that
1118 matches the information provided by INFO. */
1120 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1123 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1124 basic initialization using values obtained from the INFO andTDEP
1125 parameters. set_gdbarch_*() functions are called to complete the
1126 initialization of the object. */
1128 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1131 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1132 It is assumed that the caller freeds the \`\`struct
1135 extern void gdbarch_free (struct gdbarch *);
1138 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1139 obstack. The memory is freed when the corresponding architecture
1142 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1143 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1144 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1147 /* Helper function. Force an update of the current architecture.
1149 The actual architecture selected is determined by INFO, \`\`(gdb) set
1150 architecture'' et.al., the existing architecture and BFD's default
1151 architecture. INFO should be initialized to zero and then selected
1152 fields should be updated.
1154 Returns non-zero if the update succeeds */
1156 extern int gdbarch_update_p (struct gdbarch_info info);
1160 /* Register per-architecture data-pointer.
1162 Reserve space for a per-architecture data-pointer. An identifier
1163 for the reserved data-pointer is returned. That identifer should
1164 be saved in a local static variable.
1166 The per-architecture data-pointer is either initialized explicitly
1167 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1170 Memory for the per-architecture data shall be allocated using
1171 gdbarch_obstack_zalloc. That memory will be deleted when the
1172 corresponding architecture object is deleted.
1174 When a previously created architecture is re-selected, the
1175 per-architecture data-pointer for that previous architecture is
1176 restored. INIT() is not re-called.
1178 Multiple registrarants for any architecture are allowed (and
1179 strongly encouraged). */
1181 struct gdbarch_data;
1183 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1184 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1185 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1186 struct gdbarch_data *data,
1189 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1192 /* Register per-architecture memory region.
1194 Provide a memory-region swap mechanism. Per-architecture memory
1195 region are created. These memory regions are swapped whenever the
1196 architecture is changed. For a new architecture, the memory region
1197 is initialized with zero (0) and the INIT function is called.
1199 Memory regions are swapped / initialized in the order that they are
1200 registered. NULL DATA and/or INIT values can be specified.
1202 New code should use register_gdbarch_data(). */
1204 typedef void (gdbarch_swap_ftype) (void);
1205 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1206 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1210 /* The target-system-dependent byte order is dynamic */
1212 extern int target_byte_order;
1213 #ifndef TARGET_BYTE_ORDER
1214 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1217 extern int target_byte_order_auto;
1218 #ifndef TARGET_BYTE_ORDER_AUTO
1219 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1224 /* The target-system-dependent BFD architecture is dynamic */
1226 extern int target_architecture_auto;
1227 #ifndef TARGET_ARCHITECTURE_AUTO
1228 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1231 extern const struct bfd_arch_info *target_architecture;
1232 #ifndef TARGET_ARCHITECTURE
1233 #define TARGET_ARCHITECTURE (target_architecture + 0)
1237 /* Set the dynamic target-system-dependent parameters (architecture,
1238 byte-order, ...) using information found in the BFD */
1240 extern void set_gdbarch_from_file (bfd *);
1243 /* Initialize the current architecture to the "first" one we find on
1246 extern void initialize_current_architecture (void);
1248 /* For non-multiarched targets, do any initialization of the default
1249 gdbarch object necessary after the _initialize_MODULE functions
1251 extern void initialize_non_multiarch (void);
1253 /* gdbarch trace variable */
1254 extern int gdbarch_debug;
1256 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1261 #../move-if-change new-gdbarch.h gdbarch.h
1262 compare_new gdbarch.h
1269 exec > new-gdbarch.c
1274 #include "arch-utils.h"
1277 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1280 #include "floatformat.h"
1282 #include "gdb_assert.h"
1283 #include "gdb_string.h"
1284 #include "gdb-events.h"
1285 #include "reggroups.h"
1287 #include "symfile.h" /* For entry_point_address. */
1288 #include "gdb_obstack.h"
1290 /* Static function declarations */
1292 static void verify_gdbarch (struct gdbarch *gdbarch);
1293 static void alloc_gdbarch_data (struct gdbarch *);
1294 static void init_gdbarch_swap (struct gdbarch *);
1295 static void clear_gdbarch_swap (struct gdbarch *);
1296 static void swapout_gdbarch_swap (struct gdbarch *);
1297 static void swapin_gdbarch_swap (struct gdbarch *);
1299 /* Non-zero if we want to trace architecture code. */
1301 #ifndef GDBARCH_DEBUG
1302 #define GDBARCH_DEBUG 0
1304 int gdbarch_debug = GDBARCH_DEBUG;
1308 # gdbarch open the gdbarch object
1310 printf "/* Maintain the struct gdbarch object */\n"
1312 printf "struct gdbarch\n"
1314 printf " /* Has this architecture been fully initialized? */\n"
1315 printf " int initialized_p;\n"
1317 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1318 printf " struct obstack *obstack;\n"
1320 printf " /* basic architectural information */\n"
1321 function_list |
while do_read
1325 printf " ${returntype} ${function};\n"
1329 printf " /* target specific vector. */\n"
1330 printf " struct gdbarch_tdep *tdep;\n"
1331 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1333 printf " /* per-architecture data-pointers */\n"
1334 printf " unsigned nr_data;\n"
1335 printf " void **data;\n"
1337 printf " /* per-architecture swap-regions */\n"
1338 printf " struct gdbarch_swap *swap;\n"
1341 /* Multi-arch values.
1343 When extending this structure you must:
1345 Add the field below.
1347 Declare set/get functions and define the corresponding
1350 gdbarch_alloc(): If zero/NULL is not a suitable default,
1351 initialize the new field.
1353 verify_gdbarch(): Confirm that the target updated the field
1356 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1359 \`\`startup_gdbarch()'': Append an initial value to the static
1360 variable (base values on the host's c-type system).
1362 get_gdbarch(): Implement the set/get functions (probably using
1363 the macro's as shortcuts).
1368 function_list |
while do_read
1370 if class_is_variable_p
1372 printf " ${returntype} ${function};\n"
1373 elif class_is_function_p
1375 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1380 # A pre-initialized vector
1384 /* The default architecture uses host values (for want of a better
1388 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1390 printf "struct gdbarch startup_gdbarch =\n"
1392 printf " 1, /* Always initialized. */\n"
1393 printf " NULL, /* The obstack. */\n"
1394 printf " /* basic architecture information */\n"
1395 function_list |
while do_read
1399 printf " ${staticdefault}, /* ${function} */\n"
1403 /* target specific vector and its dump routine */
1405 /*per-architecture data-pointers and swap regions */
1407 /* Multi-arch values */
1409 function_list |
while do_read
1411 if class_is_function_p || class_is_variable_p
1413 printf " ${staticdefault}, /* ${function} */\n"
1417 /* startup_gdbarch() */
1420 struct gdbarch *current_gdbarch = &startup_gdbarch;
1422 /* Do any initialization needed for a non-multiarch configuration
1423 after the _initialize_MODULE functions have been run. */
1425 initialize_non_multiarch (void)
1427 alloc_gdbarch_data (&startup_gdbarch);
1428 /* Ensure that all swap areas are zeroed so that they again think
1429 they are starting from scratch. */
1430 clear_gdbarch_swap (&startup_gdbarch);
1431 init_gdbarch_swap (&startup_gdbarch);
1435 # Create a new gdbarch struct
1439 /* Create a new \`\`struct gdbarch'' based on information provided by
1440 \`\`struct gdbarch_info''. */
1445 gdbarch_alloc (const struct gdbarch_info *info,
1446 struct gdbarch_tdep *tdep)
1448 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1449 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1450 the current local architecture and not the previous global
1451 architecture. This ensures that the new architectures initial
1452 values are not influenced by the previous architecture. Once
1453 everything is parameterised with gdbarch, this will go away. */
1454 struct gdbarch *current_gdbarch;
1456 /* Create an obstack for allocating all the per-architecture memory,
1457 then use that to allocate the architecture vector. */
1458 struct obstack *obstack = XMALLOC (struct obstack);
1459 obstack_init (obstack);
1460 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1461 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1462 current_gdbarch->obstack = obstack;
1464 alloc_gdbarch_data (current_gdbarch);
1466 current_gdbarch->tdep = tdep;
1469 function_list |
while do_read
1473 printf " current_gdbarch->${function} = info->${function};\n"
1477 printf " /* Force the explicit initialization of these. */\n"
1478 function_list |
while do_read
1480 if class_is_function_p || class_is_variable_p
1482 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1484 printf " current_gdbarch->${function} = ${predefault};\n"
1489 /* gdbarch_alloc() */
1491 return current_gdbarch;
1495 # Free a gdbarch struct.
1499 /* Allocate extra space using the per-architecture obstack. */
1502 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1504 void *data = obstack_alloc (arch->obstack, size);
1505 memset (data, 0, size);
1510 /* Free a gdbarch struct. This should never happen in normal
1511 operation --- once you've created a gdbarch, you keep it around.
1512 However, if an architecture's init function encounters an error
1513 building the structure, it may need to clean up a partially
1514 constructed gdbarch. */
1517 gdbarch_free (struct gdbarch *arch)
1519 struct obstack *obstack;
1520 gdb_assert (arch != NULL);
1521 gdb_assert (!arch->initialized_p);
1522 obstack = arch->obstack;
1523 obstack_free (obstack, 0); /* Includes the ARCH. */
1528 # verify a new architecture
1531 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1535 verify_gdbarch (struct gdbarch *gdbarch)
1537 struct ui_file *log;
1538 struct cleanup *cleanups;
1541 log = mem_fileopen ();
1542 cleanups = make_cleanup_ui_file_delete (log);
1544 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1545 fprintf_unfiltered (log, "\n\tbyte-order");
1546 if (gdbarch->bfd_arch_info == NULL)
1547 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1548 /* Check those that need to be defined for the given multi-arch level. */
1550 function_list |
while do_read
1552 if class_is_function_p || class_is_variable_p
1554 if [ "x${invalid_p}" = "x0" ]
1556 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1557 elif class_is_predicate_p
1559 printf " /* Skip verify of ${function}, has predicate */\n"
1560 # FIXME: See do_read for potential simplification
1561 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1563 printf " if (${invalid_p})\n"
1564 printf " gdbarch->${function} = ${postdefault};\n"
1565 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1567 printf " if (gdbarch->${function} == ${predefault})\n"
1568 printf " gdbarch->${function} = ${postdefault};\n"
1569 elif [ -n "${postdefault}" ]
1571 printf " if (gdbarch->${function} == 0)\n"
1572 printf " gdbarch->${function} = ${postdefault};\n"
1573 elif [ -n "${invalid_p}" ]
1575 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1576 printf " && (${invalid_p}))\n"
1577 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1578 elif [ -n "${predefault}" ]
1580 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1581 printf " && (gdbarch->${function} == ${predefault}))\n"
1582 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1587 buf = ui_file_xstrdup (log, &dummy);
1588 make_cleanup (xfree, buf);
1589 if (strlen (buf) > 0)
1590 internal_error (__FILE__, __LINE__,
1591 "verify_gdbarch: the following are invalid ...%s",
1593 do_cleanups (cleanups);
1597 # dump the structure
1601 /* Print out the details of the current architecture. */
1603 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1604 just happens to match the global variable \`\`current_gdbarch''. That
1605 way macros refering to that variable get the local and not the global
1606 version - ulgh. Once everything is parameterised with gdbarch, this
1610 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1612 fprintf_unfiltered (file,
1613 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1616 function_list |
sort -t: -k 3 |
while do_read
1618 # First the predicate
1619 if class_is_predicate_p
1621 if class_is_multiarch_p
1623 printf " fprintf_unfiltered (file,\n"
1624 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1625 printf " gdbarch_${function}_p (current_gdbarch));\n"
1627 printf "#ifdef ${macro}_P\n"
1628 printf " fprintf_unfiltered (file,\n"
1629 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1630 printf " \"${macro}_P()\",\n"
1631 printf " XSTRING (${macro}_P ()));\n"
1632 printf " fprintf_unfiltered (file,\n"
1633 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1634 printf " ${macro}_P ());\n"
1638 # multiarch functions don't have macros.
1639 if class_is_multiarch_p
1641 printf " fprintf_unfiltered (file,\n"
1642 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1643 printf " (long) current_gdbarch->${function});\n"
1646 # Print the macro definition.
1647 printf "#ifdef ${macro}\n"
1648 if class_is_function_p
1650 printf " fprintf_unfiltered (file,\n"
1651 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1652 printf " \"${macro}(${actual})\",\n"
1653 printf " XSTRING (${macro} (${actual})));\n"
1655 printf " fprintf_unfiltered (file,\n"
1656 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1657 printf " XSTRING (${macro}));\n"
1659 if [ "x${print_p}" = "x()" ]
1661 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1662 elif [ "x${print_p}" = "x0" ]
1664 printf " /* skip print of ${macro}, print_p == 0. */\n"
1665 elif [ -n "${print_p}" ]
1667 printf " if (${print_p})\n"
1668 printf " fprintf_unfiltered (file,\n"
1669 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1670 printf " ${print});\n"
1671 elif class_is_function_p
1673 printf " fprintf_unfiltered (file,\n"
1674 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1675 printf " (long) current_gdbarch->${function}\n"
1676 printf " /*${macro} ()*/);\n"
1678 printf " fprintf_unfiltered (file,\n"
1679 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1680 printf " ${print});\n"
1685 if (current_gdbarch->dump_tdep != NULL)
1686 current_gdbarch->dump_tdep (current_gdbarch, file);
1694 struct gdbarch_tdep *
1695 gdbarch_tdep (struct gdbarch *gdbarch)
1697 if (gdbarch_debug >= 2)
1698 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1699 return gdbarch->tdep;
1703 function_list |
while do_read
1705 if class_is_predicate_p
1709 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1711 printf " gdb_assert (gdbarch != NULL);\n"
1712 printf " return ${predicate};\n"
1715 if class_is_function_p
1718 printf "${returntype}\n"
1719 if [ "x${formal}" = "xvoid" ]
1721 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1723 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1726 printf " gdb_assert (gdbarch != NULL);\n"
1727 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1728 if class_is_predicate_p
&& test -n "${predefault}"
1730 # Allow a call to a function with a predicate.
1731 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1733 printf " if (gdbarch_debug >= 2)\n"
1734 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1735 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1737 if class_is_multiarch_p
1744 if class_is_multiarch_p
1746 params
="gdbarch, ${actual}"
1751 if [ "x${returntype}" = "xvoid" ]
1753 printf " gdbarch->${function} (${params});\n"
1755 printf " return gdbarch->${function} (${params});\n"
1760 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1761 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1763 printf " gdbarch->${function} = ${function};\n"
1765 elif class_is_variable_p
1768 printf "${returntype}\n"
1769 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1771 printf " gdb_assert (gdbarch != NULL);\n"
1772 if [ "x${invalid_p}" = "x0" ]
1774 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1775 elif [ -n "${invalid_p}" ]
1777 printf " /* Check variable is valid. */\n"
1778 printf " gdb_assert (!(${invalid_p}));\n"
1779 elif [ -n "${predefault}" ]
1781 printf " /* Check variable changed from pre-default. */\n"
1782 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1784 printf " if (gdbarch_debug >= 2)\n"
1785 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1786 printf " return gdbarch->${function};\n"
1790 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1791 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1793 printf " gdbarch->${function} = ${function};\n"
1795 elif class_is_info_p
1798 printf "${returntype}\n"
1799 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1801 printf " gdb_assert (gdbarch != NULL);\n"
1802 printf " if (gdbarch_debug >= 2)\n"
1803 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1804 printf " return gdbarch->${function};\n"
1809 # All the trailing guff
1813 /* Keep a registry of per-architecture data-pointers required by GDB
1820 gdbarch_data_init_ftype *init;
1823 struct gdbarch_data_registration
1825 struct gdbarch_data *data;
1826 struct gdbarch_data_registration *next;
1829 struct gdbarch_data_registry
1832 struct gdbarch_data_registration *registrations;
1835 struct gdbarch_data_registry gdbarch_data_registry =
1840 struct gdbarch_data *
1841 register_gdbarch_data (gdbarch_data_init_ftype *init)
1843 struct gdbarch_data_registration **curr;
1844 /* Append the new registraration. */
1845 for (curr = &gdbarch_data_registry.registrations;
1847 curr = &(*curr)->next);
1848 (*curr) = XMALLOC (struct gdbarch_data_registration);
1849 (*curr)->next = NULL;
1850 (*curr)->data = XMALLOC (struct gdbarch_data);
1851 (*curr)->data->index = gdbarch_data_registry.nr++;
1852 (*curr)->data->init = init;
1853 (*curr)->data->init_p = 1;
1854 return (*curr)->data;
1858 /* Create/delete the gdbarch data vector. */
1861 alloc_gdbarch_data (struct gdbarch *gdbarch)
1863 gdb_assert (gdbarch->data == NULL);
1864 gdbarch->nr_data = gdbarch_data_registry.nr;
1865 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1868 /* Initialize the current value of the specified per-architecture
1872 set_gdbarch_data (struct gdbarch *gdbarch,
1873 struct gdbarch_data *data,
1876 gdb_assert (data->index < gdbarch->nr_data);
1877 gdb_assert (gdbarch->data[data->index] == NULL);
1878 gdbarch->data[data->index] = pointer;
1881 /* Return the current value of the specified per-architecture
1885 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1887 gdb_assert (data->index < gdbarch->nr_data);
1888 /* The data-pointer isn't initialized, call init() to get a value but
1889 only if the architecture initializaiton has completed. Otherwise
1890 punt - hope that the caller knows what they are doing. */
1891 if (gdbarch->data[data->index] == NULL
1892 && gdbarch->initialized_p)
1894 /* Be careful to detect an initialization cycle. */
1895 gdb_assert (data->init_p);
1897 gdb_assert (data->init != NULL);
1898 gdbarch->data[data->index] = data->init (gdbarch);
1900 gdb_assert (gdbarch->data[data->index] != NULL);
1902 return gdbarch->data[data->index];
1907 /* Keep a registry of swapped data required by GDB modules. */
1912 struct gdbarch_swap_registration *source;
1913 struct gdbarch_swap *next;
1916 struct gdbarch_swap_registration
1919 unsigned long sizeof_data;
1920 gdbarch_swap_ftype *init;
1921 struct gdbarch_swap_registration *next;
1924 struct gdbarch_swap_registry
1927 struct gdbarch_swap_registration *registrations;
1930 struct gdbarch_swap_registry gdbarch_swap_registry =
1936 register_gdbarch_swap (void *data,
1937 unsigned long sizeof_data,
1938 gdbarch_swap_ftype *init)
1940 struct gdbarch_swap_registration **rego;
1941 for (rego = &gdbarch_swap_registry.registrations;
1943 rego = &(*rego)->next);
1944 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1945 (*rego)->next = NULL;
1946 (*rego)->init = init;
1947 (*rego)->data = data;
1948 (*rego)->sizeof_data = sizeof_data;
1952 clear_gdbarch_swap (struct gdbarch *gdbarch)
1954 struct gdbarch_swap *curr;
1955 for (curr = gdbarch->swap;
1959 memset (curr->source->data, 0, curr->source->sizeof_data);
1964 init_gdbarch_swap (struct gdbarch *gdbarch)
1966 struct gdbarch_swap_registration *rego;
1967 struct gdbarch_swap **curr = &gdbarch->swap;
1968 for (rego = gdbarch_swap_registry.registrations;
1972 if (rego->data != NULL)
1974 (*curr) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdbarch_swap);
1975 (*curr)->source = rego;
1976 (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
1977 (*curr)->next = NULL;
1978 curr = &(*curr)->next;
1980 if (rego->init != NULL)
1986 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1988 struct gdbarch_swap *curr;
1989 for (curr = gdbarch->swap;
1992 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1996 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1998 struct gdbarch_swap *curr;
1999 for (curr = gdbarch->swap;
2002 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2006 /* Keep a registry of the architectures known by GDB. */
2008 struct gdbarch_registration
2010 enum bfd_architecture bfd_architecture;
2011 gdbarch_init_ftype *init;
2012 gdbarch_dump_tdep_ftype *dump_tdep;
2013 struct gdbarch_list *arches;
2014 struct gdbarch_registration *next;
2017 static struct gdbarch_registration *gdbarch_registry = NULL;
2020 append_name (const char ***buf, int *nr, const char *name)
2022 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2028 gdbarch_printable_names (void)
2030 /* Accumulate a list of names based on the registed list of
2032 enum bfd_architecture a;
2034 const char **arches = NULL;
2035 struct gdbarch_registration *rego;
2036 for (rego = gdbarch_registry;
2040 const struct bfd_arch_info *ap;
2041 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2043 internal_error (__FILE__, __LINE__,
2044 "gdbarch_architecture_names: multi-arch unknown");
2047 append_name (&arches, &nr_arches, ap->printable_name);
2052 append_name (&arches, &nr_arches, NULL);
2058 gdbarch_register (enum bfd_architecture bfd_architecture,
2059 gdbarch_init_ftype *init,
2060 gdbarch_dump_tdep_ftype *dump_tdep)
2062 struct gdbarch_registration **curr;
2063 const struct bfd_arch_info *bfd_arch_info;
2064 /* Check that BFD recognizes this architecture */
2065 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2066 if (bfd_arch_info == NULL)
2068 internal_error (__FILE__, __LINE__,
2069 "gdbarch: Attempt to register unknown architecture (%d)",
2072 /* Check that we haven't seen this architecture before */
2073 for (curr = &gdbarch_registry;
2075 curr = &(*curr)->next)
2077 if (bfd_architecture == (*curr)->bfd_architecture)
2078 internal_error (__FILE__, __LINE__,
2079 "gdbarch: Duplicate registraration of architecture (%s)",
2080 bfd_arch_info->printable_name);
2084 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2085 bfd_arch_info->printable_name,
2088 (*curr) = XMALLOC (struct gdbarch_registration);
2089 (*curr)->bfd_architecture = bfd_architecture;
2090 (*curr)->init = init;
2091 (*curr)->dump_tdep = dump_tdep;
2092 (*curr)->arches = NULL;
2093 (*curr)->next = NULL;
2097 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2098 gdbarch_init_ftype *init)
2100 gdbarch_register (bfd_architecture, init, NULL);
2104 /* Look for an architecture using gdbarch_info. Base search on only
2105 BFD_ARCH_INFO and BYTE_ORDER. */
2107 struct gdbarch_list *
2108 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2109 const struct gdbarch_info *info)
2111 for (; arches != NULL; arches = arches->next)
2113 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2115 if (info->byte_order != arches->gdbarch->byte_order)
2117 if (info->osabi != arches->gdbarch->osabi)
2125 /* Update the current architecture. Return ZERO if the update request
2129 gdbarch_update_p (struct gdbarch_info info)
2131 struct gdbarch *new_gdbarch;
2132 struct gdbarch *old_gdbarch;
2133 struct gdbarch_registration *rego;
2135 /* Fill in missing parts of the INFO struct using a number of
2136 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2138 /* \`\`(gdb) set architecture ...'' */
2139 if (info.bfd_arch_info == NULL
2140 && !TARGET_ARCHITECTURE_AUTO)
2141 info.bfd_arch_info = TARGET_ARCHITECTURE;
2142 if (info.bfd_arch_info == NULL
2143 && info.abfd != NULL
2144 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2145 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2146 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2147 if (info.bfd_arch_info == NULL)
2148 info.bfd_arch_info = TARGET_ARCHITECTURE;
2150 /* \`\`(gdb) set byte-order ...'' */
2151 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2152 && !TARGET_BYTE_ORDER_AUTO)
2153 info.byte_order = TARGET_BYTE_ORDER;
2154 /* From the INFO struct. */
2155 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2156 && info.abfd != NULL)
2157 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2158 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2159 : BFD_ENDIAN_UNKNOWN);
2160 /* From the current target. */
2161 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2162 info.byte_order = TARGET_BYTE_ORDER;
2164 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2165 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2166 info.osabi = gdbarch_lookup_osabi (info.abfd);
2167 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2168 info.osabi = current_gdbarch->osabi;
2170 /* Must have found some sort of architecture. */
2171 gdb_assert (info.bfd_arch_info != NULL);
2175 fprintf_unfiltered (gdb_stdlog,
2176 "gdbarch_update: info.bfd_arch_info %s\n",
2177 (info.bfd_arch_info != NULL
2178 ? info.bfd_arch_info->printable_name
2180 fprintf_unfiltered (gdb_stdlog,
2181 "gdbarch_update: info.byte_order %d (%s)\n",
2183 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2184 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2186 fprintf_unfiltered (gdb_stdlog,
2187 "gdbarch_update: info.osabi %d (%s)\n",
2188 info.osabi, gdbarch_osabi_name (info.osabi));
2189 fprintf_unfiltered (gdb_stdlog,
2190 "gdbarch_update: info.abfd 0x%lx\n",
2192 fprintf_unfiltered (gdb_stdlog,
2193 "gdbarch_update: info.tdep_info 0x%lx\n",
2194 (long) info.tdep_info);
2197 /* Find the target that knows about this architecture. */
2198 for (rego = gdbarch_registry;
2201 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2206 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2210 /* Swap the data belonging to the old target out setting the
2211 installed data to zero. This stops the ->init() function trying
2212 to refer to the previous architecture's global data structures. */
2213 swapout_gdbarch_swap (current_gdbarch);
2214 clear_gdbarch_swap (current_gdbarch);
2216 /* Save the previously selected architecture, setting the global to
2217 NULL. This stops ->init() trying to use the previous
2218 architecture's configuration. The previous architecture may not
2219 even be of the same architecture family. The most recent
2220 architecture of the same family is found at the head of the
2221 rego->arches list. */
2222 old_gdbarch = current_gdbarch;
2223 current_gdbarch = NULL;
2225 /* Ask the target for a replacement architecture. */
2226 new_gdbarch = rego->init (info, rego->arches);
2228 /* Did the target like it? No. Reject the change and revert to the
2229 old architecture. */
2230 if (new_gdbarch == NULL)
2233 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2234 swapin_gdbarch_swap (old_gdbarch);
2235 current_gdbarch = old_gdbarch;
2239 /* Did the architecture change? No. Oops, put the old architecture
2241 if (old_gdbarch == new_gdbarch)
2244 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2246 new_gdbarch->bfd_arch_info->printable_name);
2247 swapin_gdbarch_swap (old_gdbarch);
2248 current_gdbarch = old_gdbarch;
2252 /* Is this a pre-existing architecture? Yes. Move it to the front
2253 of the list of architectures (keeping the list sorted Most
2254 Recently Used) and then copy it in. */
2256 struct gdbarch_list **list;
2257 for (list = ®o->arches;
2259 list = &(*list)->next)
2261 if ((*list)->gdbarch == new_gdbarch)
2263 struct gdbarch_list *this;
2265 fprintf_unfiltered (gdb_stdlog,
2266 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2268 new_gdbarch->bfd_arch_info->printable_name);
2271 (*list) = this->next;
2272 /* Insert in the front. */
2273 this->next = rego->arches;
2274 rego->arches = this;
2275 /* Copy the new architecture in. */
2276 current_gdbarch = new_gdbarch;
2277 swapin_gdbarch_swap (new_gdbarch);
2278 architecture_changed_event ();
2284 /* Prepend this new architecture to the architecture list (keep the
2285 list sorted Most Recently Used). */
2287 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2288 this->next = rego->arches;
2289 this->gdbarch = new_gdbarch;
2290 rego->arches = this;
2293 /* Switch to this new architecture marking it initialized. */
2294 current_gdbarch = new_gdbarch;
2295 current_gdbarch->initialized_p = 1;
2298 fprintf_unfiltered (gdb_stdlog,
2299 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2301 new_gdbarch->bfd_arch_info->printable_name);
2304 /* Check that the newly installed architecture is valid. Plug in
2305 any post init values. */
2306 new_gdbarch->dump_tdep = rego->dump_tdep;
2307 verify_gdbarch (new_gdbarch);
2309 /* Initialize the per-architecture memory (swap) areas.
2310 CURRENT_GDBARCH must be update before these modules are
2312 init_gdbarch_swap (new_gdbarch);
2314 /* Initialize the per-architecture data. CURRENT_GDBARCH
2315 must be updated before these modules are called. */
2316 architecture_changed_event ();
2319 gdbarch_dump (current_gdbarch, gdb_stdlog);
2325 extern void _initialize_gdbarch (void);
2328 _initialize_gdbarch (void)
2330 struct cmd_list_element *c;
2332 add_show_from_set (add_set_cmd ("arch",
2335 (char *)&gdbarch_debug,
2336 "Set architecture debugging.\\n\\
2337 When non-zero, architecture debugging is enabled.", &setdebuglist),
2339 c = add_set_cmd ("archdebug",
2342 (char *)&gdbarch_debug,
2343 "Set architecture debugging.\\n\\
2344 When non-zero, architecture debugging is enabled.", &setlist);
2346 deprecate_cmd (c, "set debug arch");
2347 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2353 #../move-if-change new-gdbarch.c gdbarch.c
2354 compare_new gdbarch.c