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 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::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: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::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: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 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
644 # to frame_align and the requirement that methods such as
645 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
647 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
648 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
649 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
650 # stabs_argument_has_addr.
651 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
652 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
653 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
654 v:2:PARM_BOUNDARY:int:parm_boundary
656 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
657 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
658 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
659 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
660 # On some machines there are bits in addresses which are not really
661 # part of the address, but are used by the kernel, the hardware, etc.
662 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
663 # we get a "real" address such as one would find in a symbol table.
664 # This is used only for addresses of instructions, and even then I'm
665 # not sure it's used in all contexts. It exists to deal with there
666 # being a few stray bits in the PC which would mislead us, not as some
667 # sort of generic thing to handle alignment or segmentation (it's
668 # possible it should be in TARGET_READ_PC instead).
669 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
670 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
672 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
673 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
674 # the target needs software single step. An ISA method to implement it.
676 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
677 # using the breakpoint system instead of blatting memory directly (as with rs6000).
679 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
680 # single step. If not, then implement single step using breakpoints.
681 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
682 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
683 # disassembler. Perhaphs objdump can handle it?
684 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
685 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
688 # For SVR4 shared libraries, each call goes through a small piece of
689 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
690 # to nonzero if we are currently stopped in one of these.
691 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
693 # Some systems also have trampoline code for returning from shared libs.
694 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
696 # Sigtramp is a routine that the kernel calls (which then calls the
697 # signal handler). On most machines it is a library routine that is
698 # linked into the executable.
700 # This macro, given a program counter value and the name of the
701 # function in which that PC resides (which can be null if the name is
702 # not known), returns nonzero if the PC and name show that we are in
705 # On most machines just see if the name is sigtramp (and if we have
706 # no name, assume we are not in sigtramp).
708 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
709 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
710 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
711 # own local NAME lookup.
713 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
714 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
716 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
717 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
718 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
719 # A target might have problems with watchpoints as soon as the stack
720 # frame of the current function has been destroyed. This mostly happens
721 # as the first action in a funtion's epilogue. in_function_epilogue_p()
722 # is defined to return a non-zero value if either the given addr is one
723 # instruction after the stack destroying instruction up to the trailing
724 # return instruction or if we can figure out that the stack frame has
725 # already been invalidated regardless of the value of addr. Targets
726 # which don't suffer from that problem could just let this functionality
728 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
729 # Given a vector of command-line arguments, return a newly allocated
730 # string which, when passed to the create_inferior function, will be
731 # parsed (on Unix systems, by the shell) to yield the same vector.
732 # This function should call error() if the argument vector is not
733 # representable for this target or if this target does not support
734 # command-line arguments.
735 # ARGC is the number of elements in the vector.
736 # ARGV is an array of strings, one per argument.
737 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
738 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
739 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
740 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
741 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
742 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
743 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
744 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
745 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
746 # Is a register in a group
747 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
748 # Fetch the pointer to the ith function argument.
749 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
756 exec > new-gdbarch.log
757 function_list |
while do_read
760 ${class} ${macro}(${actual})
761 ${returntype} ${function} ($formal)${attrib}
765 eval echo \"\ \ \ \
${r}=\
${${r}}\"
767 if class_is_predicate_p
&& fallback_default_p
769 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
773 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
775 echo "Error: postdefault is useless when invalid_p=0" 1>&2
779 if class_is_multiarch_p
781 if class_is_predicate_p
; then :
782 elif test "x${predefault}" = "x"
784 echo "Error: pure multi-arch function must have a predefault" 1>&2
793 compare_new gdbarch.log
799 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
801 /* Dynamic architecture support for GDB, the GNU debugger.
802 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
804 This file is part of GDB.
806 This program is free software; you can redistribute it and/or modify
807 it under the terms of the GNU General Public License as published by
808 the Free Software Foundation; either version 2 of the License, or
809 (at your option) any later version.
811 This program is distributed in the hope that it will be useful,
812 but WITHOUT ANY WARRANTY; without even the implied warranty of
813 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
814 GNU General Public License for more details.
816 You should have received a copy of the GNU General Public License
817 along with this program; if not, write to the Free Software
818 Foundation, Inc., 59 Temple Place - Suite 330,
819 Boston, MA 02111-1307, USA. */
821 /* This file was created with the aid of \`\`gdbarch.sh''.
823 The Bourne shell script \`\`gdbarch.sh'' creates the files
824 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
825 against the existing \`\`gdbarch.[hc]''. Any differences found
828 If editing this file, please also run gdbarch.sh and merge any
829 changes into that script. Conversely, when making sweeping changes
830 to this file, modifying gdbarch.sh and using its output may prove
851 struct minimal_symbol;
854 struct disassemble_info;
856 extern struct gdbarch *current_gdbarch;
859 /* If any of the following are defined, the target wasn't correctly
862 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
863 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
870 printf "/* The following are pre-initialized by GDBARCH. */\n"
871 function_list |
while do_read
876 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
877 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
878 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
879 printf "#error \"Non multi-arch definition of ${macro}\"\n"
881 printf "#if !defined (${macro})\n"
882 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
890 printf "/* The following are initialized by the target dependent code. */\n"
891 function_list |
while do_read
893 if [ -n "${comment}" ]
895 echo "${comment}" |
sed \
900 if class_is_multiarch_p
902 if class_is_predicate_p
905 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
908 if class_is_predicate_p
911 printf "#if defined (${macro})\n"
912 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
913 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
914 printf "#if !defined (${macro}_P)\n"
915 printf "#define ${macro}_P() (1)\n"
919 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
920 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
921 printf "#error \"Non multi-arch definition of ${macro}\"\n"
923 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
924 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
928 if class_is_variable_p
931 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
932 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
933 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
934 printf "#error \"Non multi-arch definition of ${macro}\"\n"
936 printf "#if !defined (${macro})\n"
937 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
940 if class_is_function_p
943 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
945 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
946 elif class_is_multiarch_p
948 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
950 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
952 if [ "x${formal}" = "xvoid" ]
954 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
956 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
958 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
959 if class_is_multiarch_p
; then :
961 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
962 printf "#error \"Non multi-arch definition of ${macro}\"\n"
964 if [ "x${actual}" = "x" ]
966 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
967 elif [ "x${actual}" = "x-" ]
969 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
971 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
973 printf "#if !defined (${macro})\n"
974 if [ "x${actual}" = "x" ]
976 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
977 elif [ "x${actual}" = "x-" ]
979 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
981 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
991 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
994 /* Mechanism for co-ordinating the selection of a specific
997 GDB targets (*-tdep.c) can register an interest in a specific
998 architecture. Other GDB components can register a need to maintain
999 per-architecture data.
1001 The mechanisms below ensures that there is only a loose connection
1002 between the set-architecture command and the various GDB
1003 components. Each component can independently register their need
1004 to maintain architecture specific data with gdbarch.
1008 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1011 The more traditional mega-struct containing architecture specific
1012 data for all the various GDB components was also considered. Since
1013 GDB is built from a variable number of (fairly independent)
1014 components it was determined that the global aproach was not
1018 /* Register a new architectural family with GDB.
1020 Register support for the specified ARCHITECTURE with GDB. When
1021 gdbarch determines that the specified architecture has been
1022 selected, the corresponding INIT function is called.
1026 The INIT function takes two parameters: INFO which contains the
1027 information available to gdbarch about the (possibly new)
1028 architecture; ARCHES which is a list of the previously created
1029 \`\`struct gdbarch'' for this architecture.
1031 The INFO parameter is, as far as possible, be pre-initialized with
1032 information obtained from INFO.ABFD or the previously selected
1035 The ARCHES parameter is a linked list (sorted most recently used)
1036 of all the previously created architures for this architecture
1037 family. The (possibly NULL) ARCHES->gdbarch can used to access
1038 values from the previously selected architecture for this
1039 architecture family. The global \`\`current_gdbarch'' shall not be
1042 The INIT function shall return any of: NULL - indicating that it
1043 doesn't recognize the selected architecture; an existing \`\`struct
1044 gdbarch'' from the ARCHES list - indicating that the new
1045 architecture is just a synonym for an earlier architecture (see
1046 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1047 - that describes the selected architecture (see gdbarch_alloc()).
1049 The DUMP_TDEP function shall print out all target specific values.
1050 Care should be taken to ensure that the function works in both the
1051 multi-arch and non- multi-arch cases. */
1055 struct gdbarch *gdbarch;
1056 struct gdbarch_list *next;
1061 /* Use default: NULL (ZERO). */
1062 const struct bfd_arch_info *bfd_arch_info;
1064 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1067 /* Use default: NULL (ZERO). */
1070 /* Use default: NULL (ZERO). */
1071 struct gdbarch_tdep_info *tdep_info;
1073 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1074 enum gdb_osabi osabi;
1077 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1078 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1080 /* DEPRECATED - use gdbarch_register() */
1081 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1083 extern void gdbarch_register (enum bfd_architecture architecture,
1084 gdbarch_init_ftype *,
1085 gdbarch_dump_tdep_ftype *);
1088 /* Return a freshly allocated, NULL terminated, array of the valid
1089 architecture names. Since architectures are registered during the
1090 _initialize phase this function only returns useful information
1091 once initialization has been completed. */
1093 extern const char **gdbarch_printable_names (void);
1096 /* Helper function. Search the list of ARCHES for a GDBARCH that
1097 matches the information provided by INFO. */
1099 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1102 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1103 basic initialization using values obtained from the INFO andTDEP
1104 parameters. set_gdbarch_*() functions are called to complete the
1105 initialization of the object. */
1107 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1110 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1111 It is assumed that the caller freeds the \`\`struct
1114 extern void gdbarch_free (struct gdbarch *);
1117 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1118 obstack. The memory is freed when the corresponding architecture
1121 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1122 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1123 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1126 /* Helper function. Force an update of the current architecture.
1128 The actual architecture selected is determined by INFO, \`\`(gdb) set
1129 architecture'' et.al., the existing architecture and BFD's default
1130 architecture. INFO should be initialized to zero and then selected
1131 fields should be updated.
1133 Returns non-zero if the update succeeds */
1135 extern int gdbarch_update_p (struct gdbarch_info info);
1139 /* Register per-architecture data-pointer.
1141 Reserve space for a per-architecture data-pointer. An identifier
1142 for the reserved data-pointer is returned. That identifer should
1143 be saved in a local static variable.
1145 The per-architecture data-pointer is either initialized explicitly
1146 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1149 Memory for the per-architecture data shall be allocated using
1150 gdbarch_obstack_zalloc. That memory will be deleted when the
1151 corresponding architecture object is deleted.
1153 When a previously created architecture is re-selected, the
1154 per-architecture data-pointer for that previous architecture is
1155 restored. INIT() is not re-called.
1157 Multiple registrarants for any architecture are allowed (and
1158 strongly encouraged). */
1160 struct gdbarch_data;
1162 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1163 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1164 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1165 struct gdbarch_data *data,
1168 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1171 /* Register per-architecture memory region.
1173 Provide a memory-region swap mechanism. Per-architecture memory
1174 region are created. These memory regions are swapped whenever the
1175 architecture is changed. For a new architecture, the memory region
1176 is initialized with zero (0) and the INIT function is called.
1178 Memory regions are swapped / initialized in the order that they are
1179 registered. NULL DATA and/or INIT values can be specified.
1181 New code should use register_gdbarch_data(). */
1183 typedef void (gdbarch_swap_ftype) (void);
1184 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1185 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1189 /* The target-system-dependent byte order is dynamic */
1191 extern int target_byte_order;
1192 #ifndef TARGET_BYTE_ORDER
1193 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1196 extern int target_byte_order_auto;
1197 #ifndef TARGET_BYTE_ORDER_AUTO
1198 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1203 /* The target-system-dependent BFD architecture is dynamic */
1205 extern int target_architecture_auto;
1206 #ifndef TARGET_ARCHITECTURE_AUTO
1207 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1210 extern const struct bfd_arch_info *target_architecture;
1211 #ifndef TARGET_ARCHITECTURE
1212 #define TARGET_ARCHITECTURE (target_architecture + 0)
1216 /* Set the dynamic target-system-dependent parameters (architecture,
1217 byte-order, ...) using information found in the BFD */
1219 extern void set_gdbarch_from_file (bfd *);
1222 /* Initialize the current architecture to the "first" one we find on
1225 extern void initialize_current_architecture (void);
1227 /* For non-multiarched targets, do any initialization of the default
1228 gdbarch object necessary after the _initialize_MODULE functions
1230 extern void initialize_non_multiarch (void);
1232 /* gdbarch trace variable */
1233 extern int gdbarch_debug;
1235 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1240 #../move-if-change new-gdbarch.h gdbarch.h
1241 compare_new gdbarch.h
1248 exec > new-gdbarch.c
1253 #include "arch-utils.h"
1256 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1259 #include "floatformat.h"
1261 #include "gdb_assert.h"
1262 #include "gdb_string.h"
1263 #include "gdb-events.h"
1264 #include "reggroups.h"
1266 #include "symfile.h" /* For entry_point_address. */
1267 #include "gdb_obstack.h"
1269 /* Static function declarations */
1271 static void verify_gdbarch (struct gdbarch *gdbarch);
1272 static void alloc_gdbarch_data (struct gdbarch *);
1273 static void init_gdbarch_swap (struct gdbarch *);
1274 static void clear_gdbarch_swap (struct gdbarch *);
1275 static void swapout_gdbarch_swap (struct gdbarch *);
1276 static void swapin_gdbarch_swap (struct gdbarch *);
1278 /* Non-zero if we want to trace architecture code. */
1280 #ifndef GDBARCH_DEBUG
1281 #define GDBARCH_DEBUG 0
1283 int gdbarch_debug = GDBARCH_DEBUG;
1287 # gdbarch open the gdbarch object
1289 printf "/* Maintain the struct gdbarch object */\n"
1291 printf "struct gdbarch\n"
1293 printf " /* Has this architecture been fully initialized? */\n"
1294 printf " int initialized_p;\n"
1296 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1297 printf " struct obstack *obstack;\n"
1299 printf " /* basic architectural information */\n"
1300 function_list |
while do_read
1304 printf " ${returntype} ${function};\n"
1308 printf " /* target specific vector. */\n"
1309 printf " struct gdbarch_tdep *tdep;\n"
1310 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1312 printf " /* per-architecture data-pointers */\n"
1313 printf " unsigned nr_data;\n"
1314 printf " void **data;\n"
1316 printf " /* per-architecture swap-regions */\n"
1317 printf " struct gdbarch_swap *swap;\n"
1320 /* Multi-arch values.
1322 When extending this structure you must:
1324 Add the field below.
1326 Declare set/get functions and define the corresponding
1329 gdbarch_alloc(): If zero/NULL is not a suitable default,
1330 initialize the new field.
1332 verify_gdbarch(): Confirm that the target updated the field
1335 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1338 \`\`startup_gdbarch()'': Append an initial value to the static
1339 variable (base values on the host's c-type system).
1341 get_gdbarch(): Implement the set/get functions (probably using
1342 the macro's as shortcuts).
1347 function_list |
while do_read
1349 if class_is_variable_p
1351 printf " ${returntype} ${function};\n"
1352 elif class_is_function_p
1354 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1359 # A pre-initialized vector
1363 /* The default architecture uses host values (for want of a better
1367 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1369 printf "struct gdbarch startup_gdbarch =\n"
1371 printf " 1, /* Always initialized. */\n"
1372 printf " NULL, /* The obstack. */\n"
1373 printf " /* basic architecture information */\n"
1374 function_list |
while do_read
1378 printf " ${staticdefault}, /* ${function} */\n"
1382 /* target specific vector and its dump routine */
1384 /*per-architecture data-pointers and swap regions */
1386 /* Multi-arch values */
1388 function_list |
while do_read
1390 if class_is_function_p || class_is_variable_p
1392 printf " ${staticdefault}, /* ${function} */\n"
1396 /* startup_gdbarch() */
1399 struct gdbarch *current_gdbarch = &startup_gdbarch;
1401 /* Do any initialization needed for a non-multiarch configuration
1402 after the _initialize_MODULE functions have been run. */
1404 initialize_non_multiarch (void)
1406 alloc_gdbarch_data (&startup_gdbarch);
1407 /* Ensure that all swap areas are zeroed so that they again think
1408 they are starting from scratch. */
1409 clear_gdbarch_swap (&startup_gdbarch);
1410 init_gdbarch_swap (&startup_gdbarch);
1414 # Create a new gdbarch struct
1418 /* Create a new \`\`struct gdbarch'' based on information provided by
1419 \`\`struct gdbarch_info''. */
1424 gdbarch_alloc (const struct gdbarch_info *info,
1425 struct gdbarch_tdep *tdep)
1427 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1428 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1429 the current local architecture and not the previous global
1430 architecture. This ensures that the new architectures initial
1431 values are not influenced by the previous architecture. Once
1432 everything is parameterised with gdbarch, this will go away. */
1433 struct gdbarch *current_gdbarch;
1435 /* Create an obstack for allocating all the per-architecture memory,
1436 then use that to allocate the architecture vector. */
1437 struct obstack *obstack = XMALLOC (struct obstack);
1438 obstack_init (obstack);
1439 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1440 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1441 current_gdbarch->obstack = obstack;
1443 alloc_gdbarch_data (current_gdbarch);
1445 current_gdbarch->tdep = tdep;
1448 function_list |
while do_read
1452 printf " current_gdbarch->${function} = info->${function};\n"
1456 printf " /* Force the explicit initialization of these. */\n"
1457 function_list |
while do_read
1459 if class_is_function_p || class_is_variable_p
1461 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1463 printf " current_gdbarch->${function} = ${predefault};\n"
1468 /* gdbarch_alloc() */
1470 return current_gdbarch;
1474 # Free a gdbarch struct.
1478 /* Allocate extra space using the per-architecture obstack. */
1481 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1483 void *data = obstack_alloc (arch->obstack, size);
1484 memset (data, 0, size);
1489 /* Free a gdbarch struct. This should never happen in normal
1490 operation --- once you've created a gdbarch, you keep it around.
1491 However, if an architecture's init function encounters an error
1492 building the structure, it may need to clean up a partially
1493 constructed gdbarch. */
1496 gdbarch_free (struct gdbarch *arch)
1498 struct obstack *obstack;
1499 gdb_assert (arch != NULL);
1500 gdb_assert (!arch->initialized_p);
1501 obstack = arch->obstack;
1502 obstack_free (obstack, 0); /* Includes the ARCH. */
1507 # verify a new architecture
1510 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1514 verify_gdbarch (struct gdbarch *gdbarch)
1516 struct ui_file *log;
1517 struct cleanup *cleanups;
1520 log = mem_fileopen ();
1521 cleanups = make_cleanup_ui_file_delete (log);
1523 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1524 fprintf_unfiltered (log, "\n\tbyte-order");
1525 if (gdbarch->bfd_arch_info == NULL)
1526 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1527 /* Check those that need to be defined for the given multi-arch level. */
1529 function_list |
while do_read
1531 if class_is_function_p || class_is_variable_p
1533 if [ "x${invalid_p}" = "x0" ]
1535 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1536 elif class_is_predicate_p
1538 printf " /* Skip verify of ${function}, has predicate */\n"
1539 # FIXME: See do_read for potential simplification
1540 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1542 printf " if (${invalid_p})\n"
1543 printf " gdbarch->${function} = ${postdefault};\n"
1544 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1546 printf " if (gdbarch->${function} == ${predefault})\n"
1547 printf " gdbarch->${function} = ${postdefault};\n"
1548 elif [ -n "${postdefault}" ]
1550 printf " if (gdbarch->${function} == 0)\n"
1551 printf " gdbarch->${function} = ${postdefault};\n"
1552 elif [ -n "${invalid_p}" ]
1554 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1555 printf " && (${invalid_p}))\n"
1556 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1557 elif [ -n "${predefault}" ]
1559 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1560 printf " && (gdbarch->${function} == ${predefault}))\n"
1561 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1566 buf = ui_file_xstrdup (log, &dummy);
1567 make_cleanup (xfree, buf);
1568 if (strlen (buf) > 0)
1569 internal_error (__FILE__, __LINE__,
1570 "verify_gdbarch: the following are invalid ...%s",
1572 do_cleanups (cleanups);
1576 # dump the structure
1580 /* Print out the details of the current architecture. */
1582 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1583 just happens to match the global variable \`\`current_gdbarch''. That
1584 way macros refering to that variable get the local and not the global
1585 version - ulgh. Once everything is parameterised with gdbarch, this
1589 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1591 fprintf_unfiltered (file,
1592 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1595 function_list |
sort -t: -k 3 |
while do_read
1597 # First the predicate
1598 if class_is_predicate_p
1600 if class_is_multiarch_p
1602 printf " fprintf_unfiltered (file,\n"
1603 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1604 printf " gdbarch_${function}_p (current_gdbarch));\n"
1606 printf "#ifdef ${macro}_P\n"
1607 printf " fprintf_unfiltered (file,\n"
1608 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1609 printf " \"${macro}_P()\",\n"
1610 printf " XSTRING (${macro}_P ()));\n"
1611 printf " fprintf_unfiltered (file,\n"
1612 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1613 printf " ${macro}_P ());\n"
1617 # multiarch functions don't have macros.
1618 if class_is_multiarch_p
1620 printf " fprintf_unfiltered (file,\n"
1621 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1622 printf " (long) current_gdbarch->${function});\n"
1625 # Print the macro definition.
1626 printf "#ifdef ${macro}\n"
1627 if class_is_function_p
1629 printf " fprintf_unfiltered (file,\n"
1630 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1631 printf " \"${macro}(${actual})\",\n"
1632 printf " XSTRING (${macro} (${actual})));\n"
1634 printf " fprintf_unfiltered (file,\n"
1635 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1636 printf " XSTRING (${macro}));\n"
1638 if [ "x${print_p}" = "x()" ]
1640 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1641 elif [ "x${print_p}" = "x0" ]
1643 printf " /* skip print of ${macro}, print_p == 0. */\n"
1644 elif [ -n "${print_p}" ]
1646 printf " if (${print_p})\n"
1647 printf " fprintf_unfiltered (file,\n"
1648 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1649 printf " ${print});\n"
1650 elif class_is_function_p
1652 printf " fprintf_unfiltered (file,\n"
1653 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1654 printf " (long) current_gdbarch->${function}\n"
1655 printf " /*${macro} ()*/);\n"
1657 printf " fprintf_unfiltered (file,\n"
1658 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1659 printf " ${print});\n"
1664 if (current_gdbarch->dump_tdep != NULL)
1665 current_gdbarch->dump_tdep (current_gdbarch, file);
1673 struct gdbarch_tdep *
1674 gdbarch_tdep (struct gdbarch *gdbarch)
1676 if (gdbarch_debug >= 2)
1677 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1678 return gdbarch->tdep;
1682 function_list |
while do_read
1684 if class_is_predicate_p
1688 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1690 printf " gdb_assert (gdbarch != NULL);\n"
1691 printf " return ${predicate};\n"
1694 if class_is_function_p
1697 printf "${returntype}\n"
1698 if [ "x${formal}" = "xvoid" ]
1700 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1702 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1705 printf " gdb_assert (gdbarch != NULL);\n"
1706 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1707 if class_is_predicate_p
&& test -n "${predefault}"
1709 # Allow a call to a function with a predicate.
1710 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1712 printf " if (gdbarch_debug >= 2)\n"
1713 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1714 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1716 if class_is_multiarch_p
1723 if class_is_multiarch_p
1725 params
="gdbarch, ${actual}"
1730 if [ "x${returntype}" = "xvoid" ]
1732 printf " gdbarch->${function} (${params});\n"
1734 printf " return gdbarch->${function} (${params});\n"
1739 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1740 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1742 printf " gdbarch->${function} = ${function};\n"
1744 elif class_is_variable_p
1747 printf "${returntype}\n"
1748 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1750 printf " gdb_assert (gdbarch != NULL);\n"
1751 if [ "x${invalid_p}" = "x0" ]
1753 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1754 elif [ -n "${invalid_p}" ]
1756 printf " /* Check variable is valid. */\n"
1757 printf " gdb_assert (!(${invalid_p}));\n"
1758 elif [ -n "${predefault}" ]
1760 printf " /* Check variable changed from pre-default. */\n"
1761 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1763 printf " if (gdbarch_debug >= 2)\n"
1764 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1765 printf " return gdbarch->${function};\n"
1769 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1770 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1772 printf " gdbarch->${function} = ${function};\n"
1774 elif class_is_info_p
1777 printf "${returntype}\n"
1778 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1780 printf " gdb_assert (gdbarch != NULL);\n"
1781 printf " if (gdbarch_debug >= 2)\n"
1782 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1783 printf " return gdbarch->${function};\n"
1788 # All the trailing guff
1792 /* Keep a registry of per-architecture data-pointers required by GDB
1799 gdbarch_data_init_ftype *init;
1802 struct gdbarch_data_registration
1804 struct gdbarch_data *data;
1805 struct gdbarch_data_registration *next;
1808 struct gdbarch_data_registry
1811 struct gdbarch_data_registration *registrations;
1814 struct gdbarch_data_registry gdbarch_data_registry =
1819 struct gdbarch_data *
1820 register_gdbarch_data (gdbarch_data_init_ftype *init)
1822 struct gdbarch_data_registration **curr;
1823 /* Append the new registraration. */
1824 for (curr = &gdbarch_data_registry.registrations;
1826 curr = &(*curr)->next);
1827 (*curr) = XMALLOC (struct gdbarch_data_registration);
1828 (*curr)->next = NULL;
1829 (*curr)->data = XMALLOC (struct gdbarch_data);
1830 (*curr)->data->index = gdbarch_data_registry.nr++;
1831 (*curr)->data->init = init;
1832 (*curr)->data->init_p = 1;
1833 return (*curr)->data;
1837 /* Create/delete the gdbarch data vector. */
1840 alloc_gdbarch_data (struct gdbarch *gdbarch)
1842 gdb_assert (gdbarch->data == NULL);
1843 gdbarch->nr_data = gdbarch_data_registry.nr;
1844 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1847 /* Initialize the current value of the specified per-architecture
1851 set_gdbarch_data (struct gdbarch *gdbarch,
1852 struct gdbarch_data *data,
1855 gdb_assert (data->index < gdbarch->nr_data);
1856 gdb_assert (gdbarch->data[data->index] == NULL);
1857 gdbarch->data[data->index] = pointer;
1860 /* Return the current value of the specified per-architecture
1864 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1866 gdb_assert (data->index < gdbarch->nr_data);
1867 /* The data-pointer isn't initialized, call init() to get a value but
1868 only if the architecture initializaiton has completed. Otherwise
1869 punt - hope that the caller knows what they are doing. */
1870 if (gdbarch->data[data->index] == NULL
1871 && gdbarch->initialized_p)
1873 /* Be careful to detect an initialization cycle. */
1874 gdb_assert (data->init_p);
1876 gdb_assert (data->init != NULL);
1877 gdbarch->data[data->index] = data->init (gdbarch);
1879 gdb_assert (gdbarch->data[data->index] != NULL);
1881 return gdbarch->data[data->index];
1886 /* Keep a registry of swapped data required by GDB modules. */
1891 struct gdbarch_swap_registration *source;
1892 struct gdbarch_swap *next;
1895 struct gdbarch_swap_registration
1898 unsigned long sizeof_data;
1899 gdbarch_swap_ftype *init;
1900 struct gdbarch_swap_registration *next;
1903 struct gdbarch_swap_registry
1906 struct gdbarch_swap_registration *registrations;
1909 struct gdbarch_swap_registry gdbarch_swap_registry =
1915 register_gdbarch_swap (void *data,
1916 unsigned long sizeof_data,
1917 gdbarch_swap_ftype *init)
1919 struct gdbarch_swap_registration **rego;
1920 for (rego = &gdbarch_swap_registry.registrations;
1922 rego = &(*rego)->next);
1923 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1924 (*rego)->next = NULL;
1925 (*rego)->init = init;
1926 (*rego)->data = data;
1927 (*rego)->sizeof_data = sizeof_data;
1931 clear_gdbarch_swap (struct gdbarch *gdbarch)
1933 struct gdbarch_swap *curr;
1934 for (curr = gdbarch->swap;
1938 memset (curr->source->data, 0, curr->source->sizeof_data);
1943 init_gdbarch_swap (struct gdbarch *gdbarch)
1945 struct gdbarch_swap_registration *rego;
1946 struct gdbarch_swap **curr = &gdbarch->swap;
1947 for (rego = gdbarch_swap_registry.registrations;
1951 if (rego->data != NULL)
1953 (*curr) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdbarch_swap);
1954 (*curr)->source = rego;
1955 (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
1956 (*curr)->next = NULL;
1957 curr = &(*curr)->next;
1959 if (rego->init != NULL)
1965 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1967 struct gdbarch_swap *curr;
1968 for (curr = gdbarch->swap;
1971 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1975 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1977 struct gdbarch_swap *curr;
1978 for (curr = gdbarch->swap;
1981 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1985 /* Keep a registry of the architectures known by GDB. */
1987 struct gdbarch_registration
1989 enum bfd_architecture bfd_architecture;
1990 gdbarch_init_ftype *init;
1991 gdbarch_dump_tdep_ftype *dump_tdep;
1992 struct gdbarch_list *arches;
1993 struct gdbarch_registration *next;
1996 static struct gdbarch_registration *gdbarch_registry = NULL;
1999 append_name (const char ***buf, int *nr, const char *name)
2001 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2007 gdbarch_printable_names (void)
2009 /* Accumulate a list of names based on the registed list of
2011 enum bfd_architecture a;
2013 const char **arches = NULL;
2014 struct gdbarch_registration *rego;
2015 for (rego = gdbarch_registry;
2019 const struct bfd_arch_info *ap;
2020 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2022 internal_error (__FILE__, __LINE__,
2023 "gdbarch_architecture_names: multi-arch unknown");
2026 append_name (&arches, &nr_arches, ap->printable_name);
2031 append_name (&arches, &nr_arches, NULL);
2037 gdbarch_register (enum bfd_architecture bfd_architecture,
2038 gdbarch_init_ftype *init,
2039 gdbarch_dump_tdep_ftype *dump_tdep)
2041 struct gdbarch_registration **curr;
2042 const struct bfd_arch_info *bfd_arch_info;
2043 /* Check that BFD recognizes this architecture */
2044 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2045 if (bfd_arch_info == NULL)
2047 internal_error (__FILE__, __LINE__,
2048 "gdbarch: Attempt to register unknown architecture (%d)",
2051 /* Check that we haven't seen this architecture before */
2052 for (curr = &gdbarch_registry;
2054 curr = &(*curr)->next)
2056 if (bfd_architecture == (*curr)->bfd_architecture)
2057 internal_error (__FILE__, __LINE__,
2058 "gdbarch: Duplicate registraration of architecture (%s)",
2059 bfd_arch_info->printable_name);
2063 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2064 bfd_arch_info->printable_name,
2067 (*curr) = XMALLOC (struct gdbarch_registration);
2068 (*curr)->bfd_architecture = bfd_architecture;
2069 (*curr)->init = init;
2070 (*curr)->dump_tdep = dump_tdep;
2071 (*curr)->arches = NULL;
2072 (*curr)->next = NULL;
2076 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2077 gdbarch_init_ftype *init)
2079 gdbarch_register (bfd_architecture, init, NULL);
2083 /* Look for an architecture using gdbarch_info. Base search on only
2084 BFD_ARCH_INFO and BYTE_ORDER. */
2086 struct gdbarch_list *
2087 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2088 const struct gdbarch_info *info)
2090 for (; arches != NULL; arches = arches->next)
2092 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2094 if (info->byte_order != arches->gdbarch->byte_order)
2096 if (info->osabi != arches->gdbarch->osabi)
2104 /* Update the current architecture. Return ZERO if the update request
2108 gdbarch_update_p (struct gdbarch_info info)
2110 struct gdbarch *new_gdbarch;
2111 struct gdbarch *old_gdbarch;
2112 struct gdbarch_registration *rego;
2114 /* Fill in missing parts of the INFO struct using a number of
2115 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2117 /* \`\`(gdb) set architecture ...'' */
2118 if (info.bfd_arch_info == NULL
2119 && !TARGET_ARCHITECTURE_AUTO)
2120 info.bfd_arch_info = TARGET_ARCHITECTURE;
2121 if (info.bfd_arch_info == NULL
2122 && info.abfd != NULL
2123 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2124 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2125 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2126 if (info.bfd_arch_info == NULL)
2127 info.bfd_arch_info = TARGET_ARCHITECTURE;
2129 /* \`\`(gdb) set byte-order ...'' */
2130 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2131 && !TARGET_BYTE_ORDER_AUTO)
2132 info.byte_order = TARGET_BYTE_ORDER;
2133 /* From the INFO struct. */
2134 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2135 && info.abfd != NULL)
2136 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2137 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2138 : BFD_ENDIAN_UNKNOWN);
2139 /* From the current target. */
2140 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2141 info.byte_order = TARGET_BYTE_ORDER;
2143 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2144 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2145 info.osabi = gdbarch_lookup_osabi (info.abfd);
2146 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2147 info.osabi = current_gdbarch->osabi;
2149 /* Must have found some sort of architecture. */
2150 gdb_assert (info.bfd_arch_info != NULL);
2154 fprintf_unfiltered (gdb_stdlog,
2155 "gdbarch_update: info.bfd_arch_info %s\n",
2156 (info.bfd_arch_info != NULL
2157 ? info.bfd_arch_info->printable_name
2159 fprintf_unfiltered (gdb_stdlog,
2160 "gdbarch_update: info.byte_order %d (%s)\n",
2162 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2163 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2165 fprintf_unfiltered (gdb_stdlog,
2166 "gdbarch_update: info.osabi %d (%s)\n",
2167 info.osabi, gdbarch_osabi_name (info.osabi));
2168 fprintf_unfiltered (gdb_stdlog,
2169 "gdbarch_update: info.abfd 0x%lx\n",
2171 fprintf_unfiltered (gdb_stdlog,
2172 "gdbarch_update: info.tdep_info 0x%lx\n",
2173 (long) info.tdep_info);
2176 /* Find the target that knows about this architecture. */
2177 for (rego = gdbarch_registry;
2180 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2185 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2189 /* Swap the data belonging to the old target out setting the
2190 installed data to zero. This stops the ->init() function trying
2191 to refer to the previous architecture's global data structures. */
2192 swapout_gdbarch_swap (current_gdbarch);
2193 clear_gdbarch_swap (current_gdbarch);
2195 /* Save the previously selected architecture, setting the global to
2196 NULL. This stops ->init() trying to use the previous
2197 architecture's configuration. The previous architecture may not
2198 even be of the same architecture family. The most recent
2199 architecture of the same family is found at the head of the
2200 rego->arches list. */
2201 old_gdbarch = current_gdbarch;
2202 current_gdbarch = NULL;
2204 /* Ask the target for a replacement architecture. */
2205 new_gdbarch = rego->init (info, rego->arches);
2207 /* Did the target like it? No. Reject the change and revert to the
2208 old architecture. */
2209 if (new_gdbarch == NULL)
2212 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2213 swapin_gdbarch_swap (old_gdbarch);
2214 current_gdbarch = old_gdbarch;
2218 /* Did the architecture change? No. Oops, put the old architecture
2220 if (old_gdbarch == new_gdbarch)
2223 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2225 new_gdbarch->bfd_arch_info->printable_name);
2226 swapin_gdbarch_swap (old_gdbarch);
2227 current_gdbarch = old_gdbarch;
2231 /* Is this a pre-existing architecture? Yes. Move it to the front
2232 of the list of architectures (keeping the list sorted Most
2233 Recently Used) and then copy it in. */
2235 struct gdbarch_list **list;
2236 for (list = ®o->arches;
2238 list = &(*list)->next)
2240 if ((*list)->gdbarch == new_gdbarch)
2242 struct gdbarch_list *this;
2244 fprintf_unfiltered (gdb_stdlog,
2245 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2247 new_gdbarch->bfd_arch_info->printable_name);
2250 (*list) = this->next;
2251 /* Insert in the front. */
2252 this->next = rego->arches;
2253 rego->arches = this;
2254 /* Copy the new architecture in. */
2255 current_gdbarch = new_gdbarch;
2256 swapin_gdbarch_swap (new_gdbarch);
2257 architecture_changed_event ();
2263 /* Prepend this new architecture to the architecture list (keep the
2264 list sorted Most Recently Used). */
2266 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2267 this->next = rego->arches;
2268 this->gdbarch = new_gdbarch;
2269 rego->arches = this;
2272 /* Switch to this new architecture marking it initialized. */
2273 current_gdbarch = new_gdbarch;
2274 current_gdbarch->initialized_p = 1;
2277 fprintf_unfiltered (gdb_stdlog,
2278 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2280 new_gdbarch->bfd_arch_info->printable_name);
2283 /* Check that the newly installed architecture is valid. Plug in
2284 any post init values. */
2285 new_gdbarch->dump_tdep = rego->dump_tdep;
2286 verify_gdbarch (new_gdbarch);
2288 /* Initialize the per-architecture memory (swap) areas.
2289 CURRENT_GDBARCH must be update before these modules are
2291 init_gdbarch_swap (new_gdbarch);
2293 /* Initialize the per-architecture data. CURRENT_GDBARCH
2294 must be updated before these modules are called. */
2295 architecture_changed_event ();
2298 gdbarch_dump (current_gdbarch, gdb_stdlog);
2304 extern void _initialize_gdbarch (void);
2307 _initialize_gdbarch (void)
2309 struct cmd_list_element *c;
2311 add_show_from_set (add_set_cmd ("arch",
2314 (char *)&gdbarch_debug,
2315 "Set architecture debugging.\\n\\
2316 When non-zero, architecture debugging is enabled.", &setdebuglist),
2318 c = add_set_cmd ("archdebug",
2321 (char *)&gdbarch_debug,
2322 "Set architecture debugging.\\n\\
2323 When non-zero, architecture debugging is enabled.", &setlist);
2325 deprecate_cmd (c, "set debug arch");
2326 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2332 #../move-if-change new-gdbarch.c gdbarch.c
2333 compare_new gdbarch.c