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 ``current_gdbarch'' which
327 # will contain the current architecture. Care should be
332 # A predicate equation that validates MEMBER. Non-zero is
333 # returned if the code creating the new architecture failed to
334 # initialize MEMBER or the initialized the member is invalid.
335 # If POSTDEFAULT is non-empty then MEMBER will be updated to
336 # that value. If POSTDEFAULT is empty then internal_error()
339 # If INVALID_P is empty, a check that MEMBER is no longer
340 # equal to PREDEFAULT is used.
342 # The expression ``0'' disables the INVALID_P check making
343 # PREDEFAULT a legitimate value.
345 # See also PREDEFAULT and POSTDEFAULT.
349 # printf style format string that can be used to print out the
350 # MEMBER. Sometimes "%s" is useful. For functions, this is
351 # ignored and the function address is printed.
353 # If FMT is empty, ``%ld'' is used.
357 # An optional equation that casts MEMBER to a value suitable
358 # for formatting by FMT.
360 # If PRINT is empty, ``(long)'' is used.
364 # An optional indicator for any predicte to wrap around the
367 # () -> Call a custom function to do the dump.
368 # exp -> Wrap print up in ``if (${print_p}) ...
369 # ``'' -> No predicate
371 # If PRINT_P is empty, ``1'' is always used.
378 echo "Bad field ${field}"
386 # See below (DOCO) for description of each field
388 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
390 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
392 i:2:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN
393 # Number of bits in a char or unsigned char for the target machine.
394 # Just like CHAR_BIT in <limits.h> but describes the target machine.
395 # v:2:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
397 # Number of bits in a short or unsigned short for the target machine.
398 v:2:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
399 # Number of bits in an int or unsigned int for the target machine.
400 v:2:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
401 # Number of bits in a long or unsigned long for the target machine.
402 v:2:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
403 # Number of bits in a long long or unsigned long long for the target
405 v:2:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
406 # Number of bits in a float for the target machine.
407 v:2:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
408 # Number of bits in a double for the target machine.
409 v:2:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
410 # Number of bits in a long double for the target machine.
411 v:2:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
412 # For most targets, a pointer on the target and its representation as an
413 # address in GDB have the same size and "look the same". For such a
414 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
415 # / addr_bit will be set from it.
417 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
418 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
420 # ptr_bit is the size of a pointer on the target
421 v:2:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
422 # addr_bit is the size of a target address as represented in gdb
423 v:2:TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
424 # Number of bits in a BFD_VMA for the target object file format.
425 v:2:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
427 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
428 v:2:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
430 F:2:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
431 f:2:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
432 # UNWIND_SP is a direct replacement for TARGET_READ_SP.
433 F:2:TARGET_READ_SP:CORE_ADDR:read_sp:void
434 # Function for getting target's idea of a frame pointer. FIXME: GDB's
435 # whole scheme for dealing with "frames" and "frame pointers" needs a
437 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
439 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf
440 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf
442 v:2:NUM_REGS:int:num_regs::::0:-1
443 # This macro gives the number of pseudo-registers that live in the
444 # register namespace but do not get fetched or stored on the target.
445 # These pseudo-registers may be aliases for other registers,
446 # combinations of other registers, or they may be computed by GDB.
447 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
449 # GDB's standard (or well known) register numbers. These can map onto
450 # a real register or a pseudo (computed) register or not be defined at
452 # SP_REGNUM will hopefully be replaced by UNWIND_SP.
453 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
454 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
455 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
456 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
457 # Replace DEPRECATED_NPC_REGNUM with an implementation of WRITE_PC
458 # that updates PC, NPC and even NNPC.
459 v:2:DEPRECATED_NPC_REGNUM:int:deprecated_npc_regnum::::0:-1::0
460 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
461 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
462 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
463 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
464 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
465 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
466 # Convert from an sdb register number to an internal gdb register number.
467 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
468 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
469 f::REGISTER_NAME:const char *:register_name:int regnr:regnr
471 # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE.
472 M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr
473 # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE.
474 F:2:DEPRECATED_REGISTER_VIRTUAL_TYPE:struct type *:deprecated_register_virtual_type:int reg_nr:reg_nr
475 # DEPRECATED_REGISTER_BYTES can be deleted. The value is computed
476 # from REGISTER_TYPE.
477 v::DEPRECATED_REGISTER_BYTES:int:deprecated_register_bytes
478 # If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
479 # register offsets computed using just REGISTER_TYPE, this can be
480 # deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
481 # function with predicate has a valid (callable) initial value. As a
482 # consequence, even when the predicate is false, the corresponding
483 # function works. This simplifies the migration process - old code,
484 # calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified.
485 F::DEPRECATED_REGISTER_BYTE:int:deprecated_register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte
486 # If all registers have identical raw and virtual sizes and those
487 # sizes agree with the value computed from REGISTER_TYPE,
488 # DEPRECATED_REGISTER_RAW_SIZE can be deleted. See: maint print
490 F:2:DEPRECATED_REGISTER_RAW_SIZE:int:deprecated_register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
491 # If all registers have identical raw and virtual sizes and those
492 # sizes agree with the value computed from REGISTER_TYPE,
493 # DEPRECATED_REGISTER_VIRTUAL_SIZE can be deleted. See: maint print
495 F:2:DEPRECATED_REGISTER_VIRTUAL_SIZE:int:deprecated_register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
496 # DEPRECATED_MAX_REGISTER_RAW_SIZE can be deleted. It has been
497 # replaced by the constant MAX_REGISTER_SIZE.
498 V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
499 # DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE can be deleted. It has been
500 # replaced by the constant MAX_REGISTER_SIZE.
501 V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
503 # See gdbint.texinfo, and PUSH_DUMMY_CALL.
504 M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info
505 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
506 # SAVE_DUMMY_FRAME_TOS.
507 F:2:DEPRECATED_SAVE_DUMMY_FRAME_TOS:void:deprecated_save_dummy_frame_tos:CORE_ADDR sp:sp
508 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
509 # DEPRECATED_FP_REGNUM.
510 v:2:DEPRECATED_FP_REGNUM:int:deprecated_fp_regnum::::-1:-1::0
511 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
512 # DEPRECATED_TARGET_READ_FP.
513 F::DEPRECATED_TARGET_READ_FP:CORE_ADDR:deprecated_target_read_fp:void
515 # See gdbint.texinfo. See infcall.c. New, all singing all dancing,
516 # replacement for DEPRECATED_PUSH_ARGUMENTS.
517 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
518 # PUSH_DUMMY_CALL is a direct replacement for DEPRECATED_PUSH_ARGUMENTS.
519 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
520 # DEPRECATED_USE_GENERIC_DUMMY_FRAMES can be deleted. Always true.
521 v::DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
522 # Implement PUSH_RETURN_ADDRESS, and then merge in
523 # DEPRECATED_PUSH_RETURN_ADDRESS.
524 F:2:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp
525 # Implement PUSH_DUMMY_CALL, then merge in DEPRECATED_DUMMY_WRITE_SP.
526 F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val
527 # DEPRECATED_REGISTER_SIZE can be deleted.
528 v::DEPRECATED_REGISTER_SIZE:int:deprecated_register_size
529 v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
530 F::DEPRECATED_CALL_DUMMY_ADDRESS:CORE_ADDR:deprecated_call_dummy_address:void
531 # DEPRECATED_CALL_DUMMY_START_OFFSET can be deleted.
532 v::DEPRECATED_CALL_DUMMY_START_OFFSET:CORE_ADDR:deprecated_call_dummy_start_offset
533 # DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET can be deleted.
534 v::DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:deprecated_call_dummy_breakpoint_offset
535 # DEPRECATED_CALL_DUMMY_LENGTH can be deleted.
536 v::DEPRECATED_CALL_DUMMY_LENGTH:int:deprecated_call_dummy_length
537 # DEPRECATED_CALL_DUMMY_WORDS can be deleted.
538 v::DEPRECATED_CALL_DUMMY_WORDS:LONGEST *:deprecated_call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
539 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_SIZEOF_CALL_DUMMY_WORDS.
540 v::DEPRECATED_SIZEOF_CALL_DUMMY_WORDS:int:deprecated_sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
541 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_CALL_DUMMY_STACK_ADJUST.
542 V:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust
543 # DEPRECATED_FIX_CALL_DUMMY can be deleted. For the SPARC, implement
544 # PUSH_DUMMY_CODE and set CALL_DUMMY_LOCATION to ON_STACK.
545 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
546 # This is a replacement for DEPRECATED_FIX_CALL_DUMMY et.al.
547 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
548 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_PUSH_DUMMY_FRAME.
549 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-
550 # Implement PUSH_DUMMY_CALL, then delete
551 # DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED.
552 v:2:DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED:int:deprecated_extra_stack_alignment_needed::::0:0::0:::
554 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
555 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
556 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
557 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
558 # MAP a GDB RAW register number onto a simulator register number. See
559 # also include/...-sim.h.
560 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
561 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes
562 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
563 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
564 # setjmp/longjmp support.
565 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc
566 # NOTE: cagney/2002-11-24: This function with predicate has a valid
567 # (callable) initial value. As a consequence, even when the predicate
568 # is false, the corresponding function works. This simplifies the
569 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
570 # doesn't need to be modified.
571 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
572 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
573 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
575 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
576 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
577 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
579 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
580 # For raw <-> cooked register conversions, replaced by pseudo registers.
581 f:2:DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr:::deprecated_register_convertible_not::0
582 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
583 # For raw <-> cooked register conversions, replaced by pseudo registers.
584 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
585 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
586 # For raw <-> cooked register conversions, replaced by pseudo registers.
587 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
589 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum, struct type *type:regnum, type::0:legacy_convert_register_p::0
590 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
591 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
593 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
594 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
595 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
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 # It has been suggested that this, well actually its predecessor,
602 # should take the type/value of the function to be called and not the
603 # return type. This is left as an exercise for the reader.
605 M:::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, const void *inval, void *outval:valtype, regcache, inval, outval
607 # The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
608 # STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
609 # into RETURN_VALUE. For the moment do not try to fold in
610 # EXTRACT_STRUCT_VALUE_ADDRESS as, dependant on the ABI, the debug
611 # info, and the level of effort, it may well be possible to find the
612 # address of a structure being return on the stack. Someone else can
615 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
616 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
617 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
618 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
619 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
620 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
622 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
623 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf
625 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
626 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
628 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
629 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
630 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
631 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
632 M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
633 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
634 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
635 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
636 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
638 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
640 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
641 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
642 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
643 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
644 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
645 # note, per UNWIND_PC's doco, that while the two have similar
646 # interfaces they have very different underlying implementations.
647 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
648 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
649 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
650 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
651 # frame-base. Enable frame-base before frame-unwind.
652 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
653 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
654 # frame-base. Enable frame-base before frame-unwind.
655 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
656 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
657 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
659 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
660 # to frame_align and the requirement that methods such as
661 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
663 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
664 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
665 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
666 # stabs_argument_has_addr.
667 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
668 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
669 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
670 v:2:PARM_BOUNDARY:int:parm_boundary
672 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (current_gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
673 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
674 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
675 m:::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ:::convert_from_func_ptr_addr_identity::0
676 # On some machines there are bits in addresses which are not really
677 # part of the address, but are used by the kernel, the hardware, etc.
678 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
679 # we get a "real" address such as one would find in a symbol table.
680 # This is used only for addresses of instructions, and even then I'm
681 # not sure it's used in all contexts. It exists to deal with there
682 # being a few stray bits in the PC which would mislead us, not as some
683 # sort of generic thing to handle alignment or segmentation (it's
684 # possible it should be in TARGET_READ_PC instead).
685 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
686 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
688 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
689 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
690 # the target needs software single step. An ISA method to implement it.
692 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
693 # using the breakpoint system instead of blatting memory directly (as with rs6000).
695 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
696 # single step. If not, then implement single step using breakpoints.
697 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
698 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
699 # disassembler. Perhaphs objdump can handle it?
700 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
701 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
704 # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
705 # evaluates non-zero, this is the address where the debugger will place
706 # a step-resume breakpoint to get us past the dynamic linker.
707 f:2:SKIP_SOLIB_RESOLVER:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc:::generic_skip_solib_resolver::0
708 # For SVR4 shared libraries, each call goes through a small piece of
709 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
710 # to nonzero if we are currently stopped in one of these.
711 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
713 # Some systems also have trampoline code for returning from shared libs.
714 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
716 # Sigtramp is a routine that the kernel calls (which then calls the
717 # signal handler). On most machines it is a library routine that is
718 # linked into the executable.
720 # This macro, given a program counter value and the name of the
721 # function in which that PC resides (which can be null if the name is
722 # not known), returns nonzero if the PC and name show that we are in
725 # On most machines just see if the name is sigtramp (and if we have
726 # no name, assume we are not in sigtramp).
728 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
729 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
730 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
731 # own local NAME lookup.
733 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
734 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
736 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
737 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
738 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
739 # A target might have problems with watchpoints as soon as the stack
740 # frame of the current function has been destroyed. This mostly happens
741 # as the first action in a funtion's epilogue. in_function_epilogue_p()
742 # is defined to return a non-zero value if either the given addr is one
743 # instruction after the stack destroying instruction up to the trailing
744 # return instruction or if we can figure out that the stack frame has
745 # already been invalidated regardless of the value of addr. Targets
746 # which don't suffer from that problem could just let this functionality
748 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
749 # Given a vector of command-line arguments, return a newly allocated
750 # string which, when passed to the create_inferior function, will be
751 # parsed (on Unix systems, by the shell) to yield the same vector.
752 # This function should call error() if the argument vector is not
753 # representable for this target or if this target does not support
754 # command-line arguments.
755 # ARGC is the number of elements in the vector.
756 # ARGV is an array of strings, one per argument.
757 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
758 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
759 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
760 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
761 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
762 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
763 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
764 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
765 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
766 # Is a register in a group
767 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
768 # Fetch the pointer to the ith function argument.
769 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
771 # Return the appropriate register set for a core file section with
772 # name SECT_NAME and size SECT_SIZE.
773 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
780 exec > new-gdbarch.log
781 function_list |
while do_read
784 ${class} ${macro}(${actual})
785 ${returntype} ${function} ($formal)${attrib}
789 eval echo \"\ \ \ \
${r}=\
${${r}}\"
791 if class_is_predicate_p
&& fallback_default_p
793 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
797 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
799 echo "Error: postdefault is useless when invalid_p=0" 1>&2
803 if class_is_multiarch_p
805 if class_is_predicate_p
; then :
806 elif test "x${predefault}" = "x"
808 echo "Error: pure multi-arch function must have a predefault" 1>&2
817 compare_new gdbarch.log
823 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
825 /* Dynamic architecture support for GDB, the GNU debugger.
826 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
828 This file is part of GDB.
830 This program is free software; you can redistribute it and/or modify
831 it under the terms of the GNU General Public License as published by
832 the Free Software Foundation; either version 2 of the License, or
833 (at your option) any later version.
835 This program is distributed in the hope that it will be useful,
836 but WITHOUT ANY WARRANTY; without even the implied warranty of
837 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
838 GNU General Public License for more details.
840 You should have received a copy of the GNU General Public License
841 along with this program; if not, write to the Free Software
842 Foundation, Inc., 59 Temple Place - Suite 330,
843 Boston, MA 02111-1307, USA. */
845 /* This file was created with the aid of \`\`gdbarch.sh''.
847 The Bourne shell script \`\`gdbarch.sh'' creates the files
848 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
849 against the existing \`\`gdbarch.[hc]''. Any differences found
852 If editing this file, please also run gdbarch.sh and merge any
853 changes into that script. Conversely, when making sweeping changes
854 to this file, modifying gdbarch.sh and using its output may prove
875 struct minimal_symbol;
879 struct disassemble_info;
882 extern struct gdbarch *current_gdbarch;
885 /* If any of the following are defined, the target wasn't correctly
888 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
889 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
896 printf "/* The following are pre-initialized by GDBARCH. */\n"
897 function_list |
while do_read
902 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
903 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
904 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
905 printf "#error \"Non multi-arch definition of ${macro}\"\n"
907 printf "#if !defined (${macro})\n"
908 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
916 printf "/* The following are initialized by the target dependent code. */\n"
917 function_list |
while do_read
919 if [ -n "${comment}" ]
921 echo "${comment}" |
sed \
926 if class_is_multiarch_p
928 if class_is_predicate_p
931 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
934 if class_is_predicate_p
937 printf "#if defined (${macro})\n"
938 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
939 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
940 printf "#if !defined (${macro}_P)\n"
941 printf "#define ${macro}_P() (1)\n"
945 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
946 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
947 printf "#error \"Non multi-arch definition of ${macro}\"\n"
949 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
950 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
954 if class_is_variable_p
957 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
958 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
959 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
960 printf "#error \"Non multi-arch definition of ${macro}\"\n"
962 printf "#if !defined (${macro})\n"
963 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
966 if class_is_function_p
969 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
971 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
972 elif class_is_multiarch_p
974 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
976 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
978 if [ "x${formal}" = "xvoid" ]
980 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
982 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
984 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
985 if class_is_multiarch_p
; then :
987 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
988 printf "#error \"Non multi-arch definition of ${macro}\"\n"
990 if [ "x${actual}" = "x" ]
992 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
993 elif [ "x${actual}" = "x-" ]
995 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
997 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
999 printf "#if !defined (${macro})\n"
1000 if [ "x${actual}" = "x" ]
1002 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
1003 elif [ "x${actual}" = "x-" ]
1005 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1007 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1017 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1020 /* Mechanism for co-ordinating the selection of a specific
1023 GDB targets (*-tdep.c) can register an interest in a specific
1024 architecture. Other GDB components can register a need to maintain
1025 per-architecture data.
1027 The mechanisms below ensures that there is only a loose connection
1028 between the set-architecture command and the various GDB
1029 components. Each component can independently register their need
1030 to maintain architecture specific data with gdbarch.
1034 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1037 The more traditional mega-struct containing architecture specific
1038 data for all the various GDB components was also considered. Since
1039 GDB is built from a variable number of (fairly independent)
1040 components it was determined that the global aproach was not
1044 /* Register a new architectural family with GDB.
1046 Register support for the specified ARCHITECTURE with GDB. When
1047 gdbarch determines that the specified architecture has been
1048 selected, the corresponding INIT function is called.
1052 The INIT function takes two parameters: INFO which contains the
1053 information available to gdbarch about the (possibly new)
1054 architecture; ARCHES which is a list of the previously created
1055 \`\`struct gdbarch'' for this architecture.
1057 The INFO parameter is, as far as possible, be pre-initialized with
1058 information obtained from INFO.ABFD or the previously selected
1061 The ARCHES parameter is a linked list (sorted most recently used)
1062 of all the previously created architures for this architecture
1063 family. The (possibly NULL) ARCHES->gdbarch can used to access
1064 values from the previously selected architecture for this
1065 architecture family. The global \`\`current_gdbarch'' shall not be
1068 The INIT function shall return any of: NULL - indicating that it
1069 doesn't recognize the selected architecture; an existing \`\`struct
1070 gdbarch'' from the ARCHES list - indicating that the new
1071 architecture is just a synonym for an earlier architecture (see
1072 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1073 - that describes the selected architecture (see gdbarch_alloc()).
1075 The DUMP_TDEP function shall print out all target specific values.
1076 Care should be taken to ensure that the function works in both the
1077 multi-arch and non- multi-arch cases. */
1081 struct gdbarch *gdbarch;
1082 struct gdbarch_list *next;
1087 /* Use default: NULL (ZERO). */
1088 const struct bfd_arch_info *bfd_arch_info;
1090 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1093 /* Use default: NULL (ZERO). */
1096 /* Use default: NULL (ZERO). */
1097 struct gdbarch_tdep_info *tdep_info;
1099 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1100 enum gdb_osabi osabi;
1103 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1104 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1106 /* DEPRECATED - use gdbarch_register() */
1107 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1109 extern void gdbarch_register (enum bfd_architecture architecture,
1110 gdbarch_init_ftype *,
1111 gdbarch_dump_tdep_ftype *);
1114 /* Return a freshly allocated, NULL terminated, array of the valid
1115 architecture names. Since architectures are registered during the
1116 _initialize phase this function only returns useful information
1117 once initialization has been completed. */
1119 extern const char **gdbarch_printable_names (void);
1122 /* Helper function. Search the list of ARCHES for a GDBARCH that
1123 matches the information provided by INFO. */
1125 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1128 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1129 basic initialization using values obtained from the INFO andTDEP
1130 parameters. set_gdbarch_*() functions are called to complete the
1131 initialization of the object. */
1133 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1136 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1137 It is assumed that the caller freeds the \`\`struct
1140 extern void gdbarch_free (struct gdbarch *);
1143 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1144 obstack. The memory is freed when the corresponding architecture
1147 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1148 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1149 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1152 /* Helper function. Force an update of the current architecture.
1154 The actual architecture selected is determined by INFO, \`\`(gdb) set
1155 architecture'' et.al., the existing architecture and BFD's default
1156 architecture. INFO should be initialized to zero and then selected
1157 fields should be updated.
1159 Returns non-zero if the update succeeds */
1161 extern int gdbarch_update_p (struct gdbarch_info info);
1164 /* Helper function. Find an architecture matching info.
1166 INFO should be initialized using gdbarch_info_init, relevant fields
1167 set, and then finished using gdbarch_info_fill.
1169 Returns the corresponding architecture, or NULL if no matching
1170 architecture was found. "current_gdbarch" is not updated. */
1172 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1175 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1177 FIXME: kettenis/20031124: Of the functions that follow, only
1178 gdbarch_from_bfd is supposed to survive. The others will
1179 dissappear since in the future GDB will (hopefully) be truly
1180 multi-arch. However, for now we're still stuck with the concept of
1181 a single active architecture. */
1183 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1186 /* Register per-architecture data-pointer.
1188 Reserve space for a per-architecture data-pointer. An identifier
1189 for the reserved data-pointer is returned. That identifer should
1190 be saved in a local static variable.
1192 The per-architecture data-pointer is either initialized explicitly
1193 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1196 Memory for the per-architecture data shall be allocated using
1197 gdbarch_obstack_zalloc. That memory will be deleted when the
1198 corresponding architecture object is deleted.
1200 When a previously created architecture is re-selected, the
1201 per-architecture data-pointer for that previous architecture is
1202 restored. INIT() is not re-called.
1204 Multiple registrarants for any architecture are allowed (and
1205 strongly encouraged). */
1207 struct gdbarch_data;
1209 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1210 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1211 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1212 struct gdbarch_data *data,
1215 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1218 /* Register per-architecture memory region.
1220 Provide a memory-region swap mechanism. Per-architecture memory
1221 region are created. These memory regions are swapped whenever the
1222 architecture is changed. For a new architecture, the memory region
1223 is initialized with zero (0) and the INIT function is called.
1225 Memory regions are swapped / initialized in the order that they are
1226 registered. NULL DATA and/or INIT values can be specified.
1228 New code should use register_gdbarch_data(). */
1230 typedef void (gdbarch_swap_ftype) (void);
1231 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1232 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1236 /* The target-system-dependent byte order is dynamic */
1238 extern int target_byte_order;
1239 #ifndef TARGET_BYTE_ORDER
1240 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1243 extern int target_byte_order_auto;
1244 #ifndef TARGET_BYTE_ORDER_AUTO
1245 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1250 /* The target-system-dependent BFD architecture is dynamic */
1252 extern int target_architecture_auto;
1253 #ifndef TARGET_ARCHITECTURE_AUTO
1254 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1257 extern const struct bfd_arch_info *target_architecture;
1258 #ifndef TARGET_ARCHITECTURE
1259 #define TARGET_ARCHITECTURE (target_architecture + 0)
1263 /* Set the dynamic target-system-dependent parameters (architecture,
1264 byte-order, ...) using information found in the BFD */
1266 extern void set_gdbarch_from_file (bfd *);
1269 /* Initialize the current architecture to the "first" one we find on
1272 extern void initialize_current_architecture (void);
1274 /* gdbarch trace variable */
1275 extern int gdbarch_debug;
1277 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1282 #../move-if-change new-gdbarch.h gdbarch.h
1283 compare_new gdbarch.h
1290 exec > new-gdbarch.c
1295 #include "arch-utils.h"
1298 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1301 #include "floatformat.h"
1303 #include "gdb_assert.h"
1304 #include "gdb_string.h"
1305 #include "gdb-events.h"
1306 #include "reggroups.h"
1308 #include "symfile.h" /* For entry_point_address. */
1309 #include "gdb_obstack.h"
1311 /* Static function declarations */
1313 static void alloc_gdbarch_data (struct gdbarch *);
1315 /* Non-zero if we want to trace architecture code. */
1317 #ifndef GDBARCH_DEBUG
1318 #define GDBARCH_DEBUG 0
1320 int gdbarch_debug = GDBARCH_DEBUG;
1324 # gdbarch open the gdbarch object
1326 printf "/* Maintain the struct gdbarch object */\n"
1328 printf "struct gdbarch\n"
1330 printf " /* Has this architecture been fully initialized? */\n"
1331 printf " int initialized_p;\n"
1333 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1334 printf " struct obstack *obstack;\n"
1336 printf " /* basic architectural information */\n"
1337 function_list |
while do_read
1341 printf " ${returntype} ${function};\n"
1345 printf " /* target specific vector. */\n"
1346 printf " struct gdbarch_tdep *tdep;\n"
1347 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1349 printf " /* per-architecture data-pointers */\n"
1350 printf " unsigned nr_data;\n"
1351 printf " void **data;\n"
1353 printf " /* per-architecture swap-regions */\n"
1354 printf " struct gdbarch_swap *swap;\n"
1357 /* Multi-arch values.
1359 When extending this structure you must:
1361 Add the field below.
1363 Declare set/get functions and define the corresponding
1366 gdbarch_alloc(): If zero/NULL is not a suitable default,
1367 initialize the new field.
1369 verify_gdbarch(): Confirm that the target updated the field
1372 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1375 \`\`startup_gdbarch()'': Append an initial value to the static
1376 variable (base values on the host's c-type system).
1378 get_gdbarch(): Implement the set/get functions (probably using
1379 the macro's as shortcuts).
1384 function_list |
while do_read
1386 if class_is_variable_p
1388 printf " ${returntype} ${function};\n"
1389 elif class_is_function_p
1391 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1396 # A pre-initialized vector
1400 /* The default architecture uses host values (for want of a better
1404 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1406 printf "struct gdbarch startup_gdbarch =\n"
1408 printf " 1, /* Always initialized. */\n"
1409 printf " NULL, /* The obstack. */\n"
1410 printf " /* basic architecture information */\n"
1411 function_list |
while do_read
1415 printf " ${staticdefault}, /* ${function} */\n"
1419 /* target specific vector and its dump routine */
1421 /*per-architecture data-pointers and swap regions */
1423 /* Multi-arch values */
1425 function_list |
while do_read
1427 if class_is_function_p || class_is_variable_p
1429 printf " ${staticdefault}, /* ${function} */\n"
1433 /* startup_gdbarch() */
1436 struct gdbarch *current_gdbarch = &startup_gdbarch;
1439 # Create a new gdbarch struct
1442 /* Create a new \`\`struct gdbarch'' based on information provided by
1443 \`\`struct gdbarch_info''. */
1448 gdbarch_alloc (const struct gdbarch_info *info,
1449 struct gdbarch_tdep *tdep)
1451 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1452 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1453 the current local architecture and not the previous global
1454 architecture. This ensures that the new architectures initial
1455 values are not influenced by the previous architecture. Once
1456 everything is parameterised with gdbarch, this will go away. */
1457 struct gdbarch *current_gdbarch;
1459 /* Create an obstack for allocating all the per-architecture memory,
1460 then use that to allocate the architecture vector. */
1461 struct obstack *obstack = XMALLOC (struct obstack);
1462 obstack_init (obstack);
1463 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1464 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1465 current_gdbarch->obstack = obstack;
1467 alloc_gdbarch_data (current_gdbarch);
1469 current_gdbarch->tdep = tdep;
1472 function_list |
while do_read
1476 printf " current_gdbarch->${function} = info->${function};\n"
1480 printf " /* Force the explicit initialization of these. */\n"
1481 function_list |
while do_read
1483 if class_is_function_p || class_is_variable_p
1485 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1487 printf " current_gdbarch->${function} = ${predefault};\n"
1492 /* gdbarch_alloc() */
1494 return current_gdbarch;
1498 # Free a gdbarch struct.
1502 /* Allocate extra space using the per-architecture obstack. */
1505 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1507 void *data = obstack_alloc (arch->obstack, size);
1508 memset (data, 0, size);
1513 /* Free a gdbarch struct. This should never happen in normal
1514 operation --- once you've created a gdbarch, you keep it around.
1515 However, if an architecture's init function encounters an error
1516 building the structure, it may need to clean up a partially
1517 constructed gdbarch. */
1520 gdbarch_free (struct gdbarch *arch)
1522 struct obstack *obstack;
1523 gdb_assert (arch != NULL);
1524 gdb_assert (!arch->initialized_p);
1525 obstack = arch->obstack;
1526 obstack_free (obstack, 0); /* Includes the ARCH. */
1531 # verify a new architecture
1535 /* Ensure that all values in a GDBARCH are reasonable. */
1537 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1538 just happens to match the global variable \`\`current_gdbarch''. That
1539 way macros refering to that variable get the local and not the global
1540 version - ulgh. Once everything is parameterised with gdbarch, this
1544 verify_gdbarch (struct gdbarch *current_gdbarch)
1546 struct ui_file *log;
1547 struct cleanup *cleanups;
1550 log = mem_fileopen ();
1551 cleanups = make_cleanup_ui_file_delete (log);
1553 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1554 fprintf_unfiltered (log, "\n\tbyte-order");
1555 if (current_gdbarch->bfd_arch_info == NULL)
1556 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1557 /* Check those that need to be defined for the given multi-arch level. */
1559 function_list |
while do_read
1561 if class_is_function_p || class_is_variable_p
1563 if [ "x${invalid_p}" = "x0" ]
1565 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1566 elif class_is_predicate_p
1568 printf " /* Skip verify of ${function}, has predicate */\n"
1569 # FIXME: See do_read for potential simplification
1570 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1572 printf " if (${invalid_p})\n"
1573 printf " current_gdbarch->${function} = ${postdefault};\n"
1574 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1576 printf " if (current_gdbarch->${function} == ${predefault})\n"
1577 printf " current_gdbarch->${function} = ${postdefault};\n"
1578 elif [ -n "${postdefault}" ]
1580 printf " if (current_gdbarch->${function} == 0)\n"
1581 printf " current_gdbarch->${function} = ${postdefault};\n"
1582 elif [ -n "${invalid_p}" ]
1584 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1585 printf " && (${invalid_p}))\n"
1586 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1587 elif [ -n "${predefault}" ]
1589 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1590 printf " && (current_gdbarch->${function} == ${predefault}))\n"
1591 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1596 buf = ui_file_xstrdup (log, &dummy);
1597 make_cleanup (xfree, buf);
1598 if (strlen (buf) > 0)
1599 internal_error (__FILE__, __LINE__,
1600 "verify_gdbarch: the following are invalid ...%s",
1602 do_cleanups (cleanups);
1606 # dump the structure
1610 /* Print out the details of the current architecture. */
1612 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1613 just happens to match the global variable \`\`current_gdbarch''. That
1614 way macros refering to that variable get the local and not the global
1615 version - ulgh. Once everything is parameterised with gdbarch, this
1619 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1621 fprintf_unfiltered (file,
1622 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1625 function_list |
sort -t: -k 3 |
while do_read
1627 # First the predicate
1628 if class_is_predicate_p
1630 if class_is_multiarch_p
1632 printf " fprintf_unfiltered (file,\n"
1633 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1634 printf " gdbarch_${function}_p (current_gdbarch));\n"
1636 printf "#ifdef ${macro}_P\n"
1637 printf " fprintf_unfiltered (file,\n"
1638 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1639 printf " \"${macro}_P()\",\n"
1640 printf " XSTRING (${macro}_P ()));\n"
1641 printf " fprintf_unfiltered (file,\n"
1642 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1643 printf " ${macro}_P ());\n"
1647 # multiarch functions don't have macros.
1648 if class_is_multiarch_p
1650 printf " fprintf_unfiltered (file,\n"
1651 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1652 printf " (long) current_gdbarch->${function});\n"
1655 # Print the macro definition.
1656 printf "#ifdef ${macro}\n"
1657 if class_is_function_p
1659 printf " fprintf_unfiltered (file,\n"
1660 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1661 printf " \"${macro}(${actual})\",\n"
1662 printf " XSTRING (${macro} (${actual})));\n"
1664 printf " fprintf_unfiltered (file,\n"
1665 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1666 printf " XSTRING (${macro}));\n"
1668 if [ "x${print_p}" = "x()" ]
1670 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1671 elif [ "x${print_p}" = "x0" ]
1673 printf " /* skip print of ${macro}, print_p == 0. */\n"
1674 elif [ -n "${print_p}" ]
1676 printf " if (${print_p})\n"
1677 printf " fprintf_unfiltered (file,\n"
1678 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1679 printf " ${print});\n"
1680 elif class_is_function_p
1682 printf " fprintf_unfiltered (file,\n"
1683 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1684 printf " (long) current_gdbarch->${function}\n"
1685 printf " /*${macro} ()*/);\n"
1687 printf " fprintf_unfiltered (file,\n"
1688 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1689 printf " ${print});\n"
1694 if (current_gdbarch->dump_tdep != NULL)
1695 current_gdbarch->dump_tdep (current_gdbarch, file);
1703 struct gdbarch_tdep *
1704 gdbarch_tdep (struct gdbarch *gdbarch)
1706 if (gdbarch_debug >= 2)
1707 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1708 return gdbarch->tdep;
1712 function_list |
while do_read
1714 if class_is_predicate_p
1718 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1720 printf " gdb_assert (gdbarch != NULL);\n"
1721 printf " return ${predicate};\n"
1724 if class_is_function_p
1727 printf "${returntype}\n"
1728 if [ "x${formal}" = "xvoid" ]
1730 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1732 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1735 printf " gdb_assert (gdbarch != NULL);\n"
1736 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1737 if class_is_predicate_p
&& test -n "${predefault}"
1739 # Allow a call to a function with a predicate.
1740 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1742 printf " if (gdbarch_debug >= 2)\n"
1743 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1744 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1746 if class_is_multiarch_p
1753 if class_is_multiarch_p
1755 params
="gdbarch, ${actual}"
1760 if [ "x${returntype}" = "xvoid" ]
1762 printf " gdbarch->${function} (${params});\n"
1764 printf " return gdbarch->${function} (${params});\n"
1769 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1770 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1772 printf " gdbarch->${function} = ${function};\n"
1774 elif class_is_variable_p
1777 printf "${returntype}\n"
1778 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1780 printf " gdb_assert (gdbarch != NULL);\n"
1781 if [ "x${invalid_p}" = "x0" ]
1783 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1784 elif [ -n "${invalid_p}" ]
1786 printf " /* Check variable is valid. */\n"
1787 printf " gdb_assert (!(${invalid_p}));\n"
1788 elif [ -n "${predefault}" ]
1790 printf " /* Check variable changed from pre-default. */\n"
1791 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1793 printf " if (gdbarch_debug >= 2)\n"
1794 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1795 printf " return gdbarch->${function};\n"
1799 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1800 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1802 printf " gdbarch->${function} = ${function};\n"
1804 elif class_is_info_p
1807 printf "${returntype}\n"
1808 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1810 printf " gdb_assert (gdbarch != NULL);\n"
1811 printf " if (gdbarch_debug >= 2)\n"
1812 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1813 printf " return gdbarch->${function};\n"
1818 # All the trailing guff
1822 /* Keep a registry of per-architecture data-pointers required by GDB
1829 gdbarch_data_init_ftype *init;
1832 struct gdbarch_data_registration
1834 struct gdbarch_data *data;
1835 struct gdbarch_data_registration *next;
1838 struct gdbarch_data_registry
1841 struct gdbarch_data_registration *registrations;
1844 struct gdbarch_data_registry gdbarch_data_registry =
1849 struct gdbarch_data *
1850 register_gdbarch_data (gdbarch_data_init_ftype *init)
1852 struct gdbarch_data_registration **curr;
1853 /* Append the new registraration. */
1854 for (curr = &gdbarch_data_registry.registrations;
1856 curr = &(*curr)->next);
1857 (*curr) = XMALLOC (struct gdbarch_data_registration);
1858 (*curr)->next = NULL;
1859 (*curr)->data = XMALLOC (struct gdbarch_data);
1860 (*curr)->data->index = gdbarch_data_registry.nr++;
1861 (*curr)->data->init = init;
1862 (*curr)->data->init_p = 1;
1863 return (*curr)->data;
1867 /* Create/delete the gdbarch data vector. */
1870 alloc_gdbarch_data (struct gdbarch *gdbarch)
1872 gdb_assert (gdbarch->data == NULL);
1873 gdbarch->nr_data = gdbarch_data_registry.nr;
1874 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1877 /* Initialize the current value of the specified per-architecture
1881 set_gdbarch_data (struct gdbarch *gdbarch,
1882 struct gdbarch_data *data,
1885 gdb_assert (data->index < gdbarch->nr_data);
1886 gdb_assert (gdbarch->data[data->index] == NULL);
1887 gdbarch->data[data->index] = pointer;
1890 /* Return the current value of the specified per-architecture
1894 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1896 gdb_assert (data->index < gdbarch->nr_data);
1897 /* The data-pointer isn't initialized, call init() to get a value but
1898 only if the architecture initializaiton has completed. Otherwise
1899 punt - hope that the caller knows what they are doing. */
1900 if (gdbarch->data[data->index] == NULL
1901 && gdbarch->initialized_p)
1903 /* Be careful to detect an initialization cycle. */
1904 gdb_assert (data->init_p);
1906 gdb_assert (data->init != NULL);
1907 gdbarch->data[data->index] = data->init (gdbarch);
1909 gdb_assert (gdbarch->data[data->index] != NULL);
1911 return gdbarch->data[data->index];
1916 /* Keep a registry of swapped data required by GDB modules. */
1921 struct gdbarch_swap_registration *source;
1922 struct gdbarch_swap *next;
1925 struct gdbarch_swap_registration
1928 unsigned long sizeof_data;
1929 gdbarch_swap_ftype *init;
1930 struct gdbarch_swap_registration *next;
1933 struct gdbarch_swap_registry
1936 struct gdbarch_swap_registration *registrations;
1939 struct gdbarch_swap_registry gdbarch_swap_registry =
1945 register_gdbarch_swap (void *data,
1946 unsigned long sizeof_data,
1947 gdbarch_swap_ftype *init)
1949 struct gdbarch_swap_registration **rego;
1950 for (rego = &gdbarch_swap_registry.registrations;
1952 rego = &(*rego)->next);
1953 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1954 (*rego)->next = NULL;
1955 (*rego)->init = init;
1956 (*rego)->data = data;
1957 (*rego)->sizeof_data = sizeof_data;
1961 current_gdbarch_swap_init_hack (void)
1963 struct gdbarch_swap_registration *rego;
1964 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1965 for (rego = gdbarch_swap_registry.registrations;
1969 if (rego->data != NULL)
1971 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1972 struct gdbarch_swap);
1973 (*curr)->source = rego;
1974 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1976 (*curr)->next = NULL;
1977 curr = &(*curr)->next;
1979 if (rego->init != NULL)
1984 static struct gdbarch *
1985 current_gdbarch_swap_out_hack (void)
1987 struct gdbarch *old_gdbarch = current_gdbarch;
1988 struct gdbarch_swap *curr;
1990 gdb_assert (old_gdbarch != NULL);
1991 for (curr = old_gdbarch->swap;
1995 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1996 memset (curr->source->data, 0, curr->source->sizeof_data);
1998 current_gdbarch = NULL;
2003 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
2005 struct gdbarch_swap *curr;
2007 gdb_assert (current_gdbarch == NULL);
2008 for (curr = new_gdbarch->swap;
2011 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2012 current_gdbarch = new_gdbarch;
2016 /* Keep a registry of the architectures known by GDB. */
2018 struct gdbarch_registration
2020 enum bfd_architecture bfd_architecture;
2021 gdbarch_init_ftype *init;
2022 gdbarch_dump_tdep_ftype *dump_tdep;
2023 struct gdbarch_list *arches;
2024 struct gdbarch_registration *next;
2027 static struct gdbarch_registration *gdbarch_registry = NULL;
2030 append_name (const char ***buf, int *nr, const char *name)
2032 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2038 gdbarch_printable_names (void)
2040 /* Accumulate a list of names based on the registed list of
2042 enum bfd_architecture a;
2044 const char **arches = NULL;
2045 struct gdbarch_registration *rego;
2046 for (rego = gdbarch_registry;
2050 const struct bfd_arch_info *ap;
2051 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2053 internal_error (__FILE__, __LINE__,
2054 "gdbarch_architecture_names: multi-arch unknown");
2057 append_name (&arches, &nr_arches, ap->printable_name);
2062 append_name (&arches, &nr_arches, NULL);
2068 gdbarch_register (enum bfd_architecture bfd_architecture,
2069 gdbarch_init_ftype *init,
2070 gdbarch_dump_tdep_ftype *dump_tdep)
2072 struct gdbarch_registration **curr;
2073 const struct bfd_arch_info *bfd_arch_info;
2074 /* Check that BFD recognizes this architecture */
2075 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2076 if (bfd_arch_info == NULL)
2078 internal_error (__FILE__, __LINE__,
2079 "gdbarch: Attempt to register unknown architecture (%d)",
2082 /* Check that we haven't seen this architecture before */
2083 for (curr = &gdbarch_registry;
2085 curr = &(*curr)->next)
2087 if (bfd_architecture == (*curr)->bfd_architecture)
2088 internal_error (__FILE__, __LINE__,
2089 "gdbarch: Duplicate registraration of architecture (%s)",
2090 bfd_arch_info->printable_name);
2094 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2095 bfd_arch_info->printable_name,
2098 (*curr) = XMALLOC (struct gdbarch_registration);
2099 (*curr)->bfd_architecture = bfd_architecture;
2100 (*curr)->init = init;
2101 (*curr)->dump_tdep = dump_tdep;
2102 (*curr)->arches = NULL;
2103 (*curr)->next = NULL;
2107 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2108 gdbarch_init_ftype *init)
2110 gdbarch_register (bfd_architecture, init, NULL);
2114 /* Look for an architecture using gdbarch_info. Base search on only
2115 BFD_ARCH_INFO and BYTE_ORDER. */
2117 struct gdbarch_list *
2118 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2119 const struct gdbarch_info *info)
2121 for (; arches != NULL; arches = arches->next)
2123 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2125 if (info->byte_order != arches->gdbarch->byte_order)
2127 if (info->osabi != arches->gdbarch->osabi)
2135 /* Find an architecture that matches the specified INFO. Create a new
2136 architecture if needed. Return that new architecture. Assumes
2137 that there is no current architecture. */
2139 static struct gdbarch *
2140 find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
2142 struct gdbarch *new_gdbarch;
2143 struct gdbarch_registration *rego;
2145 /* The existing architecture has been swapped out - all this code
2146 works from a clean slate. */
2147 gdb_assert (current_gdbarch == NULL);
2149 /* Fill in missing parts of the INFO struct using a number of
2150 sources: "set ..."; INFOabfd supplied; and the existing
2152 gdbarch_info_fill (old_gdbarch, &info);
2154 /* Must have found some sort of architecture. */
2155 gdb_assert (info.bfd_arch_info != NULL);
2159 fprintf_unfiltered (gdb_stdlog,
2160 "find_arch_by_info: info.bfd_arch_info %s\n",
2161 (info.bfd_arch_info != NULL
2162 ? info.bfd_arch_info->printable_name
2164 fprintf_unfiltered (gdb_stdlog,
2165 "find_arch_by_info: info.byte_order %d (%s)\n",
2167 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2168 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2170 fprintf_unfiltered (gdb_stdlog,
2171 "find_arch_by_info: info.osabi %d (%s)\n",
2172 info.osabi, gdbarch_osabi_name (info.osabi));
2173 fprintf_unfiltered (gdb_stdlog,
2174 "find_arch_by_info: info.abfd 0x%lx\n",
2176 fprintf_unfiltered (gdb_stdlog,
2177 "find_arch_by_info: info.tdep_info 0x%lx\n",
2178 (long) info.tdep_info);
2181 /* Find the tdep code that knows about this architecture. */
2182 for (rego = gdbarch_registry;
2185 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2190 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2191 "No matching architecture\n");
2195 /* Ask the tdep code for an architecture that matches "info". */
2196 new_gdbarch = rego->init (info, rego->arches);
2198 /* Did the tdep code like it? No. Reject the change and revert to
2199 the old architecture. */
2200 if (new_gdbarch == NULL)
2203 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2204 "Target rejected architecture\n");
2208 /* Is this a pre-existing architecture (as determined by already
2209 being initialized)? Move it to the front of the architecture
2210 list (keeping the list sorted Most Recently Used). */
2211 if (new_gdbarch->initialized_p)
2213 struct gdbarch_list **list;
2214 struct gdbarch_list *this;
2216 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2217 "Previous architecture 0x%08lx (%s) selected\n",
2219 new_gdbarch->bfd_arch_info->printable_name);
2220 /* Find the existing arch in the list. */
2221 for (list = ®o->arches;
2222 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2223 list = &(*list)->next);
2224 /* It had better be in the list of architectures. */
2225 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2228 (*list) = this->next;
2229 /* Insert THIS at the front. */
2230 this->next = rego->arches;
2231 rego->arches = this;
2236 /* It's a new architecture. */
2238 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2239 "New architecture 0x%08lx (%s) selected\n",
2241 new_gdbarch->bfd_arch_info->printable_name);
2243 /* Insert the new architecture into the front of the architecture
2244 list (keep the list sorted Most Recently Used). */
2246 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2247 this->next = rego->arches;
2248 this->gdbarch = new_gdbarch;
2249 rego->arches = this;
2252 /* Check that the newly installed architecture is valid. Plug in
2253 any post init values. */
2254 new_gdbarch->dump_tdep = rego->dump_tdep;
2255 verify_gdbarch (new_gdbarch);
2256 new_gdbarch->initialized_p = 1;
2258 /* Initialize any per-architecture swap areas. This phase requires
2259 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2260 swap the entire architecture out. */
2261 current_gdbarch = new_gdbarch;
2262 current_gdbarch_swap_init_hack ();
2263 current_gdbarch_swap_out_hack ();
2266 gdbarch_dump (new_gdbarch, gdb_stdlog);
2272 gdbarch_find_by_info (struct gdbarch_info info)
2274 /* Save the previously selected architecture, setting the global to
2275 NULL. This stops things like gdbarch->init() trying to use the
2276 previous architecture's configuration. The previous architecture
2277 may not even be of the same architecture family. The most recent
2278 architecture of the same family is found at the head of the
2279 rego->arches list. */
2280 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2282 /* Find the specified architecture. */
2283 struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
2285 /* Restore the existing architecture. */
2286 gdb_assert (current_gdbarch == NULL);
2287 current_gdbarch_swap_in_hack (old_gdbarch);
2292 /* Make the specified architecture current, swapping the existing one
2296 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2298 gdb_assert (new_gdbarch != NULL);
2299 gdb_assert (current_gdbarch != NULL);
2300 gdb_assert (new_gdbarch->initialized_p);
2301 current_gdbarch_swap_out_hack ();
2302 current_gdbarch_swap_in_hack (new_gdbarch);
2303 architecture_changed_event ();
2306 extern void _initialize_gdbarch (void);
2309 _initialize_gdbarch (void)
2311 struct cmd_list_element *c;
2313 add_show_from_set (add_set_cmd ("arch",
2316 (char *)&gdbarch_debug,
2317 "Set architecture debugging.\\n\\
2318 When non-zero, architecture debugging is enabled.", &setdebuglist),
2320 c = add_set_cmd ("archdebug",
2323 (char *)&gdbarch_debug,
2324 "Set architecture debugging.\\n\\
2325 When non-zero, architecture debugging is enabled.", &setlist);
2327 deprecate_cmd (c, "set debug arch");
2328 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2334 #../move-if-change new-gdbarch.c gdbarch.c
2335 compare_new gdbarch.c