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 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
457 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
458 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
459 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
460 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
461 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
462 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
463 # Convert from an sdb register number to an internal gdb register number.
464 # This should be defined in tm.h, if REGISTER_NAMES is not set up
465 # to map one to one onto the sdb register numbers.
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 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 REGISTER_VIRTUAL_TYPE.
473 F:2: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::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: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: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::CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void::::entry_point_address::0
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:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
597 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
598 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
599 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
601 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
602 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
603 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
604 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
606 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
607 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf
608 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
610 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
611 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
613 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
614 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
615 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
616 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
617 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
618 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
619 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
620 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
622 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
624 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
625 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
626 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
627 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
628 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
629 # note, per UNWIND_PC's doco, that while the two have similar
630 # interfaces they have very different underlying implementations.
631 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
632 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
633 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
634 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
635 # frame-base. Enable frame-base before frame-unwind.
636 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
637 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
638 # frame-base. Enable frame-base before frame-unwind.
639 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
640 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
641 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
643 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp
644 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
645 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
646 v:2:PARM_BOUNDARY:int:parm_boundary
648 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
649 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
650 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
651 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
652 # On some machines there are bits in addresses which are not really
653 # part of the address, but are used by the kernel, the hardware, etc.
654 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
655 # we get a "real" address such as one would find in a symbol table.
656 # This is used only for addresses of instructions, and even then I'm
657 # not sure it's used in all contexts. It exists to deal with there
658 # being a few stray bits in the PC which would mislead us, not as some
659 # sort of generic thing to handle alignment or segmentation (it's
660 # possible it should be in TARGET_READ_PC instead).
661 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
662 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
664 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
665 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
666 # the target needs software single step. An ISA method to implement it.
668 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
669 # using the breakpoint system instead of blatting memory directly (as with rs6000).
671 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
672 # single step. If not, then implement single step using breakpoints.
673 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
674 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
675 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
678 # For SVR4 shared libraries, each call goes through a small piece of
679 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
680 # to nonzero if we are currently stopped in one of these.
681 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
683 # Some systems also have trampoline code for returning from shared libs.
684 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
686 # Sigtramp is a routine that the kernel calls (which then calls the
687 # signal handler). On most machines it is a library routine that is
688 # linked into the executable.
690 # This macro, given a program counter value and the name of the
691 # function in which that PC resides (which can be null if the name is
692 # not known), returns nonzero if the PC and name show that we are in
695 # On most machines just see if the name is sigtramp (and if we have
696 # no name, assume we are not in sigtramp).
698 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
699 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
700 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
701 # own local NAME lookup.
703 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
704 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
706 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
707 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
708 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
709 # A target might have problems with watchpoints as soon as the stack
710 # frame of the current function has been destroyed. This mostly happens
711 # as the first action in a funtion's epilogue. in_function_epilogue_p()
712 # is defined to return a non-zero value if either the given addr is one
713 # instruction after the stack destroying instruction up to the trailing
714 # return instruction or if we can figure out that the stack frame has
715 # already been invalidated regardless of the value of addr. Targets
716 # which don't suffer from that problem could just let this functionality
718 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
719 # Given a vector of command-line arguments, return a newly allocated
720 # string which, when passed to the create_inferior function, will be
721 # parsed (on Unix systems, by the shell) to yield the same vector.
722 # This function should call error() if the argument vector is not
723 # representable for this target or if this target does not support
724 # command-line arguments.
725 # ARGC is the number of elements in the vector.
726 # ARGV is an array of strings, one per argument.
727 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
728 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
729 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
730 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
731 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
732 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
733 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
734 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
735 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
736 # Is a register in a group
737 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
738 # Fetch the pointer to the ith function argument.
739 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
746 exec > new-gdbarch.log
747 function_list |
while do_read
750 ${class} ${macro}(${actual})
751 ${returntype} ${function} ($formal)${attrib}
755 eval echo \"\ \ \ \
${r}=\
${${r}}\"
757 if class_is_predicate_p
&& fallback_default_p
759 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
763 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
765 echo "Error: postdefault is useless when invalid_p=0" 1>&2
769 if class_is_multiarch_p
771 if class_is_predicate_p
; then :
772 elif test "x${predefault}" = "x"
774 echo "Error: pure multi-arch function must have a predefault" 1>&2
783 compare_new gdbarch.log
789 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
791 /* Dynamic architecture support for GDB, the GNU debugger.
792 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
794 This file is part of GDB.
796 This program is free software; you can redistribute it and/or modify
797 it under the terms of the GNU General Public License as published by
798 the Free Software Foundation; either version 2 of the License, or
799 (at your option) any later version.
801 This program is distributed in the hope that it will be useful,
802 but WITHOUT ANY WARRANTY; without even the implied warranty of
803 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
804 GNU General Public License for more details.
806 You should have received a copy of the GNU General Public License
807 along with this program; if not, write to the Free Software
808 Foundation, Inc., 59 Temple Place - Suite 330,
809 Boston, MA 02111-1307, USA. */
811 /* This file was created with the aid of \`\`gdbarch.sh''.
813 The Bourne shell script \`\`gdbarch.sh'' creates the files
814 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
815 against the existing \`\`gdbarch.[hc]''. Any differences found
818 If editing this file, please also run gdbarch.sh and merge any
819 changes into that script. Conversely, when making sweeping changes
820 to this file, modifying gdbarch.sh and using its output may prove
836 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
838 /* Pull in function declarations refered to, indirectly, via macros. */
839 #include "inferior.h" /* For unsigned_address_to_pointer(). */
840 #include "symfile.h" /* For entry_point_address(). */
848 struct minimal_symbol;
852 extern struct gdbarch *current_gdbarch;
855 /* If any of the following are defined, the target wasn't correctly
858 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
859 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
866 printf "/* The following are pre-initialized by GDBARCH. */\n"
867 function_list |
while do_read
872 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
873 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
874 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
875 printf "#error \"Non multi-arch definition of ${macro}\"\n"
877 printf "#if !defined (${macro})\n"
878 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
886 printf "/* The following are initialized by the target dependent code. */\n"
887 function_list |
while do_read
889 if [ -n "${comment}" ]
891 echo "${comment}" |
sed \
896 if class_is_multiarch_p
898 if class_is_predicate_p
901 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
904 if class_is_predicate_p
907 printf "#if defined (${macro})\n"
908 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
909 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
910 printf "#if !defined (${macro}_P)\n"
911 printf "#define ${macro}_P() (1)\n"
915 printf "/* Default predicate for non- multi-arch targets. */\n"
916 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
917 printf "#define ${macro}_P() (0)\n"
920 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
921 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
922 printf "#error \"Non multi-arch definition of ${macro}\"\n"
924 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
925 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
929 if class_is_variable_p
931 if fallback_default_p || class_is_predicate_p
934 printf "/* Default (value) for non- multi-arch platforms. */\n"
935 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
936 echo "#define ${macro} (${fallbackdefault})" \
937 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
941 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
942 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
943 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
944 printf "#error \"Non multi-arch definition of ${macro}\"\n"
946 printf "#if !defined (${macro})\n"
947 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
950 if class_is_function_p
952 if class_is_multiarch_p
; then :
953 elif fallback_default_p || class_is_predicate_p
956 printf "/* Default (function) for non- multi-arch platforms. */\n"
957 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
958 if [ "x${fallbackdefault}" = "x0" ]
960 if [ "x${actual}" = "x-" ]
962 printf "#define ${macro} (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
964 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
967 # FIXME: Should be passing current_gdbarch through!
968 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
969 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
974 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
976 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
977 elif class_is_multiarch_p
979 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
981 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
983 if [ "x${formal}" = "xvoid" ]
985 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
987 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
989 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
990 if class_is_multiarch_p
; then :
992 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
993 printf "#error \"Non multi-arch definition of ${macro}\"\n"
995 if [ "x${actual}" = "x" ]
997 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
998 elif [ "x${actual}" = "x-" ]
1000 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
1002 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
1004 printf "#if !defined (${macro})\n"
1005 if [ "x${actual}" = "x" ]
1007 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
1008 elif [ "x${actual}" = "x-" ]
1010 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1012 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1022 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1025 /* Mechanism for co-ordinating the selection of a specific
1028 GDB targets (*-tdep.c) can register an interest in a specific
1029 architecture. Other GDB components can register a need to maintain
1030 per-architecture data.
1032 The mechanisms below ensures that there is only a loose connection
1033 between the set-architecture command and the various GDB
1034 components. Each component can independently register their need
1035 to maintain architecture specific data with gdbarch.
1039 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1042 The more traditional mega-struct containing architecture specific
1043 data for all the various GDB components was also considered. Since
1044 GDB is built from a variable number of (fairly independent)
1045 components it was determined that the global aproach was not
1049 /* Register a new architectural family with GDB.
1051 Register support for the specified ARCHITECTURE with GDB. When
1052 gdbarch determines that the specified architecture has been
1053 selected, the corresponding INIT function is called.
1057 The INIT function takes two parameters: INFO which contains the
1058 information available to gdbarch about the (possibly new)
1059 architecture; ARCHES which is a list of the previously created
1060 \`\`struct gdbarch'' for this architecture.
1062 The INFO parameter is, as far as possible, be pre-initialized with
1063 information obtained from INFO.ABFD or the previously selected
1066 The ARCHES parameter is a linked list (sorted most recently used)
1067 of all the previously created architures for this architecture
1068 family. The (possibly NULL) ARCHES->gdbarch can used to access
1069 values from the previously selected architecture for this
1070 architecture family. The global \`\`current_gdbarch'' shall not be
1073 The INIT function shall return any of: NULL - indicating that it
1074 doesn't recognize the selected architecture; an existing \`\`struct
1075 gdbarch'' from the ARCHES list - indicating that the new
1076 architecture is just a synonym for an earlier architecture (see
1077 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1078 - that describes the selected architecture (see gdbarch_alloc()).
1080 The DUMP_TDEP function shall print out all target specific values.
1081 Care should be taken to ensure that the function works in both the
1082 multi-arch and non- multi-arch cases. */
1086 struct gdbarch *gdbarch;
1087 struct gdbarch_list *next;
1092 /* Use default: NULL (ZERO). */
1093 const struct bfd_arch_info *bfd_arch_info;
1095 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1098 /* Use default: NULL (ZERO). */
1101 /* Use default: NULL (ZERO). */
1102 struct gdbarch_tdep_info *tdep_info;
1104 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1105 enum gdb_osabi osabi;
1108 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1109 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1111 /* DEPRECATED - use gdbarch_register() */
1112 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1114 extern void gdbarch_register (enum bfd_architecture architecture,
1115 gdbarch_init_ftype *,
1116 gdbarch_dump_tdep_ftype *);
1119 /* Return a freshly allocated, NULL terminated, array of the valid
1120 architecture names. Since architectures are registered during the
1121 _initialize phase this function only returns useful information
1122 once initialization has been completed. */
1124 extern const char **gdbarch_printable_names (void);
1127 /* Helper function. Search the list of ARCHES for a GDBARCH that
1128 matches the information provided by INFO. */
1130 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1133 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1134 basic initialization using values obtained from the INFO andTDEP
1135 parameters. set_gdbarch_*() functions are called to complete the
1136 initialization of the object. */
1138 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1141 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1142 It is assumed that the caller freeds the \`\`struct
1145 extern void gdbarch_free (struct gdbarch *);
1148 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1149 obstack. The memory is freed when the corresponding architecture
1152 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1153 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1154 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1157 /* Helper function. Force an update of the current architecture.
1159 The actual architecture selected is determined by INFO, \`\`(gdb) set
1160 architecture'' et.al., the existing architecture and BFD's default
1161 architecture. INFO should be initialized to zero and then selected
1162 fields should be updated.
1164 Returns non-zero if the update succeeds */
1166 extern int gdbarch_update_p (struct gdbarch_info info);
1170 /* Register per-architecture data-pointer.
1172 Reserve space for a per-architecture data-pointer. An identifier
1173 for the reserved data-pointer is returned. That identifer should
1174 be saved in a local static variable.
1176 The per-architecture data-pointer is either initialized explicitly
1177 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1180 Memory for the per-architecture data shall be allocated using
1181 gdbarch_obstack_zalloc. That memory will be deleted when the
1182 corresponding architecture object is deleted.
1184 When a previously created architecture is re-selected, the
1185 per-architecture data-pointer for that previous architecture is
1186 restored. INIT() is not re-called.
1188 Multiple registrarants for any architecture are allowed (and
1189 strongly encouraged). */
1191 struct gdbarch_data;
1193 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1194 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1195 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1196 struct gdbarch_data *data,
1199 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1202 /* Register per-architecture memory region.
1204 Provide a memory-region swap mechanism. Per-architecture memory
1205 region are created. These memory regions are swapped whenever the
1206 architecture is changed. For a new architecture, the memory region
1207 is initialized with zero (0) and the INIT function is called.
1209 Memory regions are swapped / initialized in the order that they are
1210 registered. NULL DATA and/or INIT values can be specified.
1212 New code should use register_gdbarch_data(). */
1214 typedef void (gdbarch_swap_ftype) (void);
1215 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1216 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1220 /* The target-system-dependent byte order is dynamic */
1222 extern int target_byte_order;
1223 #ifndef TARGET_BYTE_ORDER
1224 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1227 extern int target_byte_order_auto;
1228 #ifndef TARGET_BYTE_ORDER_AUTO
1229 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1234 /* The target-system-dependent BFD architecture is dynamic */
1236 extern int target_architecture_auto;
1237 #ifndef TARGET_ARCHITECTURE_AUTO
1238 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1241 extern const struct bfd_arch_info *target_architecture;
1242 #ifndef TARGET_ARCHITECTURE
1243 #define TARGET_ARCHITECTURE (target_architecture + 0)
1247 /* The target-system-dependent disassembler is semi-dynamic */
1249 /* Use gdb_disassemble, and gdbarch_print_insn instead. */
1250 extern int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info*);
1252 /* Use set_gdbarch_print_insn instead. */
1253 extern disassemble_info deprecated_tm_print_insn_info;
1255 /* Set the dynamic target-system-dependent parameters (architecture,
1256 byte-order, ...) using information found in the BFD */
1258 extern void set_gdbarch_from_file (bfd *);
1261 /* Initialize the current architecture to the "first" one we find on
1264 extern void initialize_current_architecture (void);
1266 /* For non-multiarched targets, do any initialization of the default
1267 gdbarch object necessary after the _initialize_MODULE functions
1269 extern void initialize_non_multiarch (void);
1271 /* gdbarch trace variable */
1272 extern int gdbarch_debug;
1274 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1279 #../move-if-change new-gdbarch.h gdbarch.h
1280 compare_new gdbarch.h
1287 exec > new-gdbarch.c
1292 #include "arch-utils.h"
1296 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1298 /* Just include everything in sight so that the every old definition
1299 of macro is visible. */
1300 #include "gdb_string.h"
1304 #include "inferior.h"
1305 #include "breakpoint.h"
1306 #include "gdb_wait.h"
1307 #include "gdbcore.h"
1310 #include "gdbthread.h"
1311 #include "annotate.h"
1312 #include "symfile.h" /* for overlay functions */
1313 #include "value.h" /* For old tm.h/nm.h macros. */
1317 #include "floatformat.h"
1319 #include "gdb_assert.h"
1320 #include "gdb_string.h"
1321 #include "gdb-events.h"
1322 #include "reggroups.h"
1324 #include "symfile.h" /* For entry_point_address. */
1325 #include "gdb_obstack.h"
1327 /* Static function declarations */
1329 static void verify_gdbarch (struct gdbarch *gdbarch);
1330 static void alloc_gdbarch_data (struct gdbarch *);
1331 static void init_gdbarch_swap (struct gdbarch *);
1332 static void clear_gdbarch_swap (struct gdbarch *);
1333 static void swapout_gdbarch_swap (struct gdbarch *);
1334 static void swapin_gdbarch_swap (struct gdbarch *);
1336 /* Non-zero if we want to trace architecture code. */
1338 #ifndef GDBARCH_DEBUG
1339 #define GDBARCH_DEBUG 0
1341 int gdbarch_debug = GDBARCH_DEBUG;
1345 # gdbarch open the gdbarch object
1347 printf "/* Maintain the struct gdbarch object */\n"
1349 printf "struct gdbarch\n"
1351 printf " /* Has this architecture been fully initialized? */\n"
1352 printf " int initialized_p;\n"
1354 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1355 printf " struct obstack *obstack;\n"
1357 printf " /* basic architectural information */\n"
1358 function_list |
while do_read
1362 printf " ${returntype} ${function};\n"
1366 printf " /* target specific vector. */\n"
1367 printf " struct gdbarch_tdep *tdep;\n"
1368 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1370 printf " /* per-architecture data-pointers */\n"
1371 printf " unsigned nr_data;\n"
1372 printf " void **data;\n"
1374 printf " /* per-architecture swap-regions */\n"
1375 printf " struct gdbarch_swap *swap;\n"
1378 /* Multi-arch values.
1380 When extending this structure you must:
1382 Add the field below.
1384 Declare set/get functions and define the corresponding
1387 gdbarch_alloc(): If zero/NULL is not a suitable default,
1388 initialize the new field.
1390 verify_gdbarch(): Confirm that the target updated the field
1393 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1396 \`\`startup_gdbarch()'': Append an initial value to the static
1397 variable (base values on the host's c-type system).
1399 get_gdbarch(): Implement the set/get functions (probably using
1400 the macro's as shortcuts).
1405 function_list |
while do_read
1407 if class_is_variable_p
1409 printf " ${returntype} ${function};\n"
1410 elif class_is_function_p
1412 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1417 # A pre-initialized vector
1421 /* The default architecture uses host values (for want of a better
1425 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1427 printf "struct gdbarch startup_gdbarch =\n"
1429 printf " 1, /* Always initialized. */\n"
1430 printf " NULL, /* The obstack. */\n"
1431 printf " /* basic architecture information */\n"
1432 function_list |
while do_read
1436 printf " ${staticdefault}, /* ${function} */\n"
1440 /* target specific vector and its dump routine */
1442 /*per-architecture data-pointers and swap regions */
1444 /* Multi-arch values */
1446 function_list |
while do_read
1448 if class_is_function_p || class_is_variable_p
1450 printf " ${staticdefault}, /* ${function} */\n"
1454 /* startup_gdbarch() */
1457 struct gdbarch *current_gdbarch = &startup_gdbarch;
1459 /* Do any initialization needed for a non-multiarch configuration
1460 after the _initialize_MODULE functions have been run. */
1462 initialize_non_multiarch (void)
1464 alloc_gdbarch_data (&startup_gdbarch);
1465 /* Ensure that all swap areas are zeroed so that they again think
1466 they are starting from scratch. */
1467 clear_gdbarch_swap (&startup_gdbarch);
1468 init_gdbarch_swap (&startup_gdbarch);
1472 # Create a new gdbarch struct
1476 /* Create a new \`\`struct gdbarch'' based on information provided by
1477 \`\`struct gdbarch_info''. */
1482 gdbarch_alloc (const struct gdbarch_info *info,
1483 struct gdbarch_tdep *tdep)
1485 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1486 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1487 the current local architecture and not the previous global
1488 architecture. This ensures that the new architectures initial
1489 values are not influenced by the previous architecture. Once
1490 everything is parameterised with gdbarch, this will go away. */
1491 struct gdbarch *current_gdbarch;
1493 /* Create an obstack for allocating all the per-architecture memory,
1494 then use that to allocate the architecture vector. */
1495 struct obstack *obstack = XMALLOC (struct obstack);
1496 obstack_init (obstack);
1497 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1498 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1499 current_gdbarch->obstack = obstack;
1501 alloc_gdbarch_data (current_gdbarch);
1503 current_gdbarch->tdep = tdep;
1506 function_list |
while do_read
1510 printf " current_gdbarch->${function} = info->${function};\n"
1514 printf " /* Force the explicit initialization of these. */\n"
1515 function_list |
while do_read
1517 if class_is_function_p || class_is_variable_p
1519 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1521 printf " current_gdbarch->${function} = ${predefault};\n"
1526 /* gdbarch_alloc() */
1528 return current_gdbarch;
1532 # Free a gdbarch struct.
1536 /* Allocate extra space using the per-architecture obstack. */
1539 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1541 void *data = obstack_alloc (arch->obstack, size);
1542 memset (data, 0, size);
1547 /* Free a gdbarch struct. This should never happen in normal
1548 operation --- once you've created a gdbarch, you keep it around.
1549 However, if an architecture's init function encounters an error
1550 building the structure, it may need to clean up a partially
1551 constructed gdbarch. */
1554 gdbarch_free (struct gdbarch *arch)
1556 struct obstack *obstack;
1557 gdb_assert (arch != NULL);
1558 gdb_assert (!arch->initialized_p);
1559 obstack = arch->obstack;
1560 obstack_free (obstack, 0); /* Includes the ARCH. */
1565 # verify a new architecture
1568 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1572 verify_gdbarch (struct gdbarch *gdbarch)
1574 struct ui_file *log;
1575 struct cleanup *cleanups;
1578 /* Only perform sanity checks on a multi-arch target. */
1579 if (!GDB_MULTI_ARCH)
1581 log = mem_fileopen ();
1582 cleanups = make_cleanup_ui_file_delete (log);
1584 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1585 fprintf_unfiltered (log, "\n\tbyte-order");
1586 if (gdbarch->bfd_arch_info == NULL)
1587 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1588 /* Check those that need to be defined for the given multi-arch level. */
1590 function_list |
while do_read
1592 if class_is_function_p || class_is_variable_p
1594 if [ "x${invalid_p}" = "x0" ]
1596 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1597 elif class_is_predicate_p
1599 printf " /* Skip verify of ${function}, has predicate */\n"
1600 # FIXME: See do_read for potential simplification
1601 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1603 printf " if (${invalid_p})\n"
1604 printf " gdbarch->${function} = ${postdefault};\n"
1605 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1607 printf " if (gdbarch->${function} == ${predefault})\n"
1608 printf " gdbarch->${function} = ${postdefault};\n"
1609 elif [ -n "${postdefault}" ]
1611 printf " if (gdbarch->${function} == 0)\n"
1612 printf " gdbarch->${function} = ${postdefault};\n"
1613 elif [ -n "${invalid_p}" ]
1615 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1616 printf " && (${invalid_p}))\n"
1617 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1618 elif [ -n "${predefault}" ]
1620 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1621 printf " && (gdbarch->${function} == ${predefault}))\n"
1622 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1627 buf = ui_file_xstrdup (log, &dummy);
1628 make_cleanup (xfree, buf);
1629 if (strlen (buf) > 0)
1630 internal_error (__FILE__, __LINE__,
1631 "verify_gdbarch: the following are invalid ...%s",
1633 do_cleanups (cleanups);
1637 # dump the structure
1641 /* Print out the details of the current architecture. */
1643 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1644 just happens to match the global variable \`\`current_gdbarch''. That
1645 way macros refering to that variable get the local and not the global
1646 version - ulgh. Once everything is parameterised with gdbarch, this
1650 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1652 fprintf_unfiltered (file,
1653 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1656 function_list |
sort -t: -k 3 |
while do_read
1658 # First the predicate
1659 if class_is_predicate_p
1661 if class_is_multiarch_p
1663 printf " if (GDB_MULTI_ARCH)\n"
1664 printf " fprintf_unfiltered (file,\n"
1665 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1666 printf " gdbarch_${function}_p (current_gdbarch));\n"
1668 printf "#ifdef ${macro}_P\n"
1669 printf " fprintf_unfiltered (file,\n"
1670 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1671 printf " \"${macro}_P()\",\n"
1672 printf " XSTRING (${macro}_P ()));\n"
1673 printf " fprintf_unfiltered (file,\n"
1674 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1675 printf " ${macro}_P ());\n"
1679 # multiarch functions don't have macros.
1680 if class_is_multiarch_p
1682 printf " if (GDB_MULTI_ARCH)\n"
1683 printf " fprintf_unfiltered (file,\n"
1684 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1685 printf " (long) current_gdbarch->${function});\n"
1688 # Print the macro definition.
1689 printf "#ifdef ${macro}\n"
1690 if [ "x${returntype}" = "xvoid" ]
1692 printf "#if GDB_MULTI_ARCH\n"
1693 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1695 if class_is_function_p
1697 printf " fprintf_unfiltered (file,\n"
1698 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1699 printf " \"${macro}(${actual})\",\n"
1700 printf " XSTRING (${macro} (${actual})));\n"
1702 printf " fprintf_unfiltered (file,\n"
1703 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1704 printf " XSTRING (${macro}));\n"
1706 # Print the architecture vector value
1707 if [ "x${returntype}" = "xvoid" ]
1711 if [ "x${print_p}" = "x()" ]
1713 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1714 elif [ "x${print_p}" = "x0" ]
1716 printf " /* skip print of ${macro}, print_p == 0. */\n"
1717 elif [ -n "${print_p}" ]
1719 printf " if (${print_p})\n"
1720 printf " fprintf_unfiltered (file,\n"
1721 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1722 printf " ${print});\n"
1723 elif class_is_function_p
1725 printf " if (GDB_MULTI_ARCH)\n"
1726 printf " fprintf_unfiltered (file,\n"
1727 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1728 printf " (long) current_gdbarch->${function}\n"
1729 printf " /*${macro} ()*/);\n"
1731 printf " fprintf_unfiltered (file,\n"
1732 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1733 printf " ${print});\n"
1738 if (current_gdbarch->dump_tdep != NULL)
1739 current_gdbarch->dump_tdep (current_gdbarch, file);
1747 struct gdbarch_tdep *
1748 gdbarch_tdep (struct gdbarch *gdbarch)
1750 if (gdbarch_debug >= 2)
1751 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1752 return gdbarch->tdep;
1756 function_list |
while do_read
1758 if class_is_predicate_p
1762 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1764 printf " gdb_assert (gdbarch != NULL);\n"
1765 printf " return ${predicate};\n"
1768 if class_is_function_p
1771 printf "${returntype}\n"
1772 if [ "x${formal}" = "xvoid" ]
1774 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1776 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1779 printf " gdb_assert (gdbarch != NULL);\n"
1780 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1781 if class_is_predicate_p
&& test -n "${predefault}"
1783 # Allow a call to a function with a predicate.
1784 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1786 printf " if (gdbarch_debug >= 2)\n"
1787 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1788 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1790 if class_is_multiarch_p
1797 if class_is_multiarch_p
1799 params
="gdbarch, ${actual}"
1804 if [ "x${returntype}" = "xvoid" ]
1806 printf " gdbarch->${function} (${params});\n"
1808 printf " return gdbarch->${function} (${params});\n"
1813 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1814 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1816 printf " gdbarch->${function} = ${function};\n"
1818 elif class_is_variable_p
1821 printf "${returntype}\n"
1822 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1824 printf " gdb_assert (gdbarch != NULL);\n"
1825 if [ "x${invalid_p}" = "x0" ]
1827 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1828 elif [ -n "${invalid_p}" ]
1830 printf " /* Check variable is valid. */\n"
1831 printf " gdb_assert (!(${invalid_p}));\n"
1832 elif [ -n "${predefault}" ]
1834 printf " /* Check variable changed from pre-default. */\n"
1835 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1837 printf " if (gdbarch_debug >= 2)\n"
1838 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1839 printf " return gdbarch->${function};\n"
1843 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1844 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1846 printf " gdbarch->${function} = ${function};\n"
1848 elif class_is_info_p
1851 printf "${returntype}\n"
1852 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1854 printf " gdb_assert (gdbarch != NULL);\n"
1855 printf " if (gdbarch_debug >= 2)\n"
1856 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1857 printf " return gdbarch->${function};\n"
1862 # All the trailing guff
1866 /* Keep a registry of per-architecture data-pointers required by GDB
1873 gdbarch_data_init_ftype *init;
1876 struct gdbarch_data_registration
1878 struct gdbarch_data *data;
1879 struct gdbarch_data_registration *next;
1882 struct gdbarch_data_registry
1885 struct gdbarch_data_registration *registrations;
1888 struct gdbarch_data_registry gdbarch_data_registry =
1893 struct gdbarch_data *
1894 register_gdbarch_data (gdbarch_data_init_ftype *init)
1896 struct gdbarch_data_registration **curr;
1897 /* Append the new registraration. */
1898 for (curr = &gdbarch_data_registry.registrations;
1900 curr = &(*curr)->next);
1901 (*curr) = XMALLOC (struct gdbarch_data_registration);
1902 (*curr)->next = NULL;
1903 (*curr)->data = XMALLOC (struct gdbarch_data);
1904 (*curr)->data->index = gdbarch_data_registry.nr++;
1905 (*curr)->data->init = init;
1906 (*curr)->data->init_p = 1;
1907 return (*curr)->data;
1911 /* Create/delete the gdbarch data vector. */
1914 alloc_gdbarch_data (struct gdbarch *gdbarch)
1916 gdb_assert (gdbarch->data == NULL);
1917 gdbarch->nr_data = gdbarch_data_registry.nr;
1918 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1921 /* Initialize the current value of the specified per-architecture
1925 set_gdbarch_data (struct gdbarch *gdbarch,
1926 struct gdbarch_data *data,
1929 gdb_assert (data->index < gdbarch->nr_data);
1930 gdb_assert (gdbarch->data[data->index] == NULL);
1931 gdbarch->data[data->index] = pointer;
1934 /* Return the current value of the specified per-architecture
1938 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1940 gdb_assert (data->index < gdbarch->nr_data);
1941 /* The data-pointer isn't initialized, call init() to get a value but
1942 only if the architecture initializaiton has completed. Otherwise
1943 punt - hope that the caller knows what they are doing. */
1944 if (gdbarch->data[data->index] == NULL
1945 && gdbarch->initialized_p)
1947 /* Be careful to detect an initialization cycle. */
1948 gdb_assert (data->init_p);
1950 gdb_assert (data->init != NULL);
1951 gdbarch->data[data->index] = data->init (gdbarch);
1953 gdb_assert (gdbarch->data[data->index] != NULL);
1955 return gdbarch->data[data->index];
1960 /* Keep a registry of swapped data required by GDB modules. */
1965 struct gdbarch_swap_registration *source;
1966 struct gdbarch_swap *next;
1969 struct gdbarch_swap_registration
1972 unsigned long sizeof_data;
1973 gdbarch_swap_ftype *init;
1974 struct gdbarch_swap_registration *next;
1977 struct gdbarch_swap_registry
1980 struct gdbarch_swap_registration *registrations;
1983 struct gdbarch_swap_registry gdbarch_swap_registry =
1989 register_gdbarch_swap (void *data,
1990 unsigned long sizeof_data,
1991 gdbarch_swap_ftype *init)
1993 struct gdbarch_swap_registration **rego;
1994 for (rego = &gdbarch_swap_registry.registrations;
1996 rego = &(*rego)->next);
1997 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1998 (*rego)->next = NULL;
1999 (*rego)->init = init;
2000 (*rego)->data = data;
2001 (*rego)->sizeof_data = sizeof_data;
2005 clear_gdbarch_swap (struct gdbarch *gdbarch)
2007 struct gdbarch_swap *curr;
2008 for (curr = gdbarch->swap;
2012 memset (curr->source->data, 0, curr->source->sizeof_data);
2017 init_gdbarch_swap (struct gdbarch *gdbarch)
2019 struct gdbarch_swap_registration *rego;
2020 struct gdbarch_swap **curr = &gdbarch->swap;
2021 for (rego = gdbarch_swap_registry.registrations;
2025 if (rego->data != NULL)
2027 (*curr) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdbarch_swap);
2028 (*curr)->source = rego;
2029 (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
2030 (*curr)->next = NULL;
2031 curr = &(*curr)->next;
2033 if (rego->init != NULL)
2039 swapout_gdbarch_swap (struct gdbarch *gdbarch)
2041 struct gdbarch_swap *curr;
2042 for (curr = gdbarch->swap;
2045 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2049 swapin_gdbarch_swap (struct gdbarch *gdbarch)
2051 struct gdbarch_swap *curr;
2052 for (curr = gdbarch->swap;
2055 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2059 /* Keep a registry of the architectures known by GDB. */
2061 struct gdbarch_registration
2063 enum bfd_architecture bfd_architecture;
2064 gdbarch_init_ftype *init;
2065 gdbarch_dump_tdep_ftype *dump_tdep;
2066 struct gdbarch_list *arches;
2067 struct gdbarch_registration *next;
2070 static struct gdbarch_registration *gdbarch_registry = NULL;
2073 append_name (const char ***buf, int *nr, const char *name)
2075 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2081 gdbarch_printable_names (void)
2085 /* Accumulate a list of names based on the registed list of
2087 enum bfd_architecture a;
2089 const char **arches = NULL;
2090 struct gdbarch_registration *rego;
2091 for (rego = gdbarch_registry;
2095 const struct bfd_arch_info *ap;
2096 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2098 internal_error (__FILE__, __LINE__,
2099 "gdbarch_architecture_names: multi-arch unknown");
2102 append_name (&arches, &nr_arches, ap->printable_name);
2107 append_name (&arches, &nr_arches, NULL);
2111 /* Just return all the architectures that BFD knows. Assume that
2112 the legacy architecture framework supports them. */
2113 return bfd_arch_list ();
2118 gdbarch_register (enum bfd_architecture bfd_architecture,
2119 gdbarch_init_ftype *init,
2120 gdbarch_dump_tdep_ftype *dump_tdep)
2122 struct gdbarch_registration **curr;
2123 const struct bfd_arch_info *bfd_arch_info;
2124 /* Check that BFD recognizes this architecture */
2125 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2126 if (bfd_arch_info == NULL)
2128 internal_error (__FILE__, __LINE__,
2129 "gdbarch: Attempt to register unknown architecture (%d)",
2132 /* Check that we haven't seen this architecture before */
2133 for (curr = &gdbarch_registry;
2135 curr = &(*curr)->next)
2137 if (bfd_architecture == (*curr)->bfd_architecture)
2138 internal_error (__FILE__, __LINE__,
2139 "gdbarch: Duplicate registraration of architecture (%s)",
2140 bfd_arch_info->printable_name);
2144 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2145 bfd_arch_info->printable_name,
2148 (*curr) = XMALLOC (struct gdbarch_registration);
2149 (*curr)->bfd_architecture = bfd_architecture;
2150 (*curr)->init = init;
2151 (*curr)->dump_tdep = dump_tdep;
2152 (*curr)->arches = NULL;
2153 (*curr)->next = NULL;
2154 /* When non- multi-arch, install whatever target dump routine we've
2155 been provided - hopefully that routine has been written correctly
2156 and works regardless of multi-arch. */
2157 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2158 && startup_gdbarch.dump_tdep == NULL)
2159 startup_gdbarch.dump_tdep = dump_tdep;
2163 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2164 gdbarch_init_ftype *init)
2166 gdbarch_register (bfd_architecture, init, NULL);
2170 /* Look for an architecture using gdbarch_info. Base search on only
2171 BFD_ARCH_INFO and BYTE_ORDER. */
2173 struct gdbarch_list *
2174 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2175 const struct gdbarch_info *info)
2177 for (; arches != NULL; arches = arches->next)
2179 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2181 if (info->byte_order != arches->gdbarch->byte_order)
2183 if (info->osabi != arches->gdbarch->osabi)
2191 /* Update the current architecture. Return ZERO if the update request
2195 gdbarch_update_p (struct gdbarch_info info)
2197 struct gdbarch *new_gdbarch;
2198 struct gdbarch *old_gdbarch;
2199 struct gdbarch_registration *rego;
2201 /* Fill in missing parts of the INFO struct using a number of
2202 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2204 /* \`\`(gdb) set architecture ...'' */
2205 if (info.bfd_arch_info == NULL
2206 && !TARGET_ARCHITECTURE_AUTO)
2207 info.bfd_arch_info = TARGET_ARCHITECTURE;
2208 if (info.bfd_arch_info == NULL
2209 && info.abfd != NULL
2210 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2211 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2212 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2213 if (info.bfd_arch_info == NULL)
2214 info.bfd_arch_info = TARGET_ARCHITECTURE;
2216 /* \`\`(gdb) set byte-order ...'' */
2217 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2218 && !TARGET_BYTE_ORDER_AUTO)
2219 info.byte_order = TARGET_BYTE_ORDER;
2220 /* From the INFO struct. */
2221 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2222 && info.abfd != NULL)
2223 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2224 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2225 : BFD_ENDIAN_UNKNOWN);
2226 /* From the current target. */
2227 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2228 info.byte_order = TARGET_BYTE_ORDER;
2230 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2231 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2232 info.osabi = gdbarch_lookup_osabi (info.abfd);
2233 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2234 info.osabi = current_gdbarch->osabi;
2236 /* Must have found some sort of architecture. */
2237 gdb_assert (info.bfd_arch_info != NULL);
2241 fprintf_unfiltered (gdb_stdlog,
2242 "gdbarch_update: info.bfd_arch_info %s\n",
2243 (info.bfd_arch_info != NULL
2244 ? info.bfd_arch_info->printable_name
2246 fprintf_unfiltered (gdb_stdlog,
2247 "gdbarch_update: info.byte_order %d (%s)\n",
2249 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2250 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2252 fprintf_unfiltered (gdb_stdlog,
2253 "gdbarch_update: info.osabi %d (%s)\n",
2254 info.osabi, gdbarch_osabi_name (info.osabi));
2255 fprintf_unfiltered (gdb_stdlog,
2256 "gdbarch_update: info.abfd 0x%lx\n",
2258 fprintf_unfiltered (gdb_stdlog,
2259 "gdbarch_update: info.tdep_info 0x%lx\n",
2260 (long) info.tdep_info);
2263 /* Find the target that knows about this architecture. */
2264 for (rego = gdbarch_registry;
2267 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2272 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2276 /* Swap the data belonging to the old target out setting the
2277 installed data to zero. This stops the ->init() function trying
2278 to refer to the previous architecture's global data structures. */
2279 swapout_gdbarch_swap (current_gdbarch);
2280 clear_gdbarch_swap (current_gdbarch);
2282 /* Save the previously selected architecture, setting the global to
2283 NULL. This stops ->init() trying to use the previous
2284 architecture's configuration. The previous architecture may not
2285 even be of the same architecture family. The most recent
2286 architecture of the same family is found at the head of the
2287 rego->arches list. */
2288 old_gdbarch = current_gdbarch;
2289 current_gdbarch = NULL;
2291 /* Ask the target for a replacement architecture. */
2292 new_gdbarch = rego->init (info, rego->arches);
2294 /* Did the target like it? No. Reject the change and revert to the
2295 old architecture. */
2296 if (new_gdbarch == NULL)
2299 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2300 swapin_gdbarch_swap (old_gdbarch);
2301 current_gdbarch = old_gdbarch;
2305 /* Did the architecture change? No. Oops, put the old architecture
2307 if (old_gdbarch == new_gdbarch)
2310 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2312 new_gdbarch->bfd_arch_info->printable_name);
2313 swapin_gdbarch_swap (old_gdbarch);
2314 current_gdbarch = old_gdbarch;
2318 /* Is this a pre-existing architecture? Yes. Move it to the front
2319 of the list of architectures (keeping the list sorted Most
2320 Recently Used) and then copy it in. */
2322 struct gdbarch_list **list;
2323 for (list = ®o->arches;
2325 list = &(*list)->next)
2327 if ((*list)->gdbarch == new_gdbarch)
2329 struct gdbarch_list *this;
2331 fprintf_unfiltered (gdb_stdlog,
2332 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2334 new_gdbarch->bfd_arch_info->printable_name);
2337 (*list) = this->next;
2338 /* Insert in the front. */
2339 this->next = rego->arches;
2340 rego->arches = this;
2341 /* Copy the new architecture in. */
2342 current_gdbarch = new_gdbarch;
2343 swapin_gdbarch_swap (new_gdbarch);
2344 architecture_changed_event ();
2350 /* Prepend this new architecture to the architecture list (keep the
2351 list sorted Most Recently Used). */
2353 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2354 this->next = rego->arches;
2355 this->gdbarch = new_gdbarch;
2356 rego->arches = this;
2359 /* Switch to this new architecture marking it initialized. */
2360 current_gdbarch = new_gdbarch;
2361 current_gdbarch->initialized_p = 1;
2364 fprintf_unfiltered (gdb_stdlog,
2365 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2367 new_gdbarch->bfd_arch_info->printable_name);
2370 /* Check that the newly installed architecture is valid. Plug in
2371 any post init values. */
2372 new_gdbarch->dump_tdep = rego->dump_tdep;
2373 verify_gdbarch (new_gdbarch);
2375 /* Initialize the per-architecture memory (swap) areas.
2376 CURRENT_GDBARCH must be update before these modules are
2378 init_gdbarch_swap (new_gdbarch);
2380 /* Initialize the per-architecture data. CURRENT_GDBARCH
2381 must be updated before these modules are called. */
2382 architecture_changed_event ();
2385 gdbarch_dump (current_gdbarch, gdb_stdlog);
2393 /* Pointer to the target-dependent disassembly function. */
2394 int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info *);
2396 extern void _initialize_gdbarch (void);
2399 _initialize_gdbarch (void)
2401 struct cmd_list_element *c;
2403 add_show_from_set (add_set_cmd ("arch",
2406 (char *)&gdbarch_debug,
2407 "Set architecture debugging.\\n\\
2408 When non-zero, architecture debugging is enabled.", &setdebuglist),
2410 c = add_set_cmd ("archdebug",
2413 (char *)&gdbarch_debug,
2414 "Set architecture debugging.\\n\\
2415 When non-zero, architecture debugging is enabled.", &setlist);
2417 deprecate_cmd (c, "set debug arch");
2418 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2424 #../move-if-change new-gdbarch.c gdbarch.c
2425 compare_new gdbarch.c