3 # Architecture commands for GDB, the GNU debugger.
5 # Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software
9 # This file is part of GDB.
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2 of the License, or
14 # (at your option) any later version.
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program; if not, write to the Free Software
23 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
25 # Make certain that the script is running in an internationalized
28 LC_ALL
=c
; export LC_ALL
36 echo "${file} missing? cp new-${file} ${file}" 1>&2
37 elif diff -u ${file} new-
${file}
39 echo "${file} unchanged" 1>&2
41 echo "${file} has changed? cp new-${file} ${file}" 1>&2
46 # Format of the input table
47 read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
55 if test "${line}" = ""
58 elif test "${line}" = "#" -a "${comment}" = ""
61 elif expr "${line}" : "#" > /dev
/null
67 # The semantics of IFS varies between different SH's. Some
68 # treat ``::' as three fields while some treat it as just too.
69 # Work around this by eliminating ``::'' ....
70 line
="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
72 OFS
="${IFS}" ; IFS
="[:]"
73 eval read ${read} <<EOF
78 # .... and then going back through each field and strip out those
79 # that ended up with just that space character.
82 if eval test \"\
${${r}}\" = \"\
\"
89 1 ) gt_level
=">= GDB_MULTI_ARCH_PARTIAL" ;;
90 2 ) gt_level
="> GDB_MULTI_ARCH_PARTIAL" ;;
91 "" ) gt_level
="> GDB_MULTI_ARCH_PARTIAL" ;;
92 * ) error
"Error: bad level for ${function}" 1>&2 ; kill $$
; exit 1 ;;
96 m
) staticdefault
="${predefault}" ;;
97 M
) staticdefault
="0" ;;
98 * ) test "${staticdefault}" || staticdefault
=0 ;;
101 # come up with a format, use a few guesses for variables
102 case ":${class}:${fmt}:${print}:" in
104 if [ "${returntype}" = int
]
108 elif [ "${returntype}" = long
]
115 test "${fmt}" ||
fmt="%ld"
116 test "${print}" || print
="(long) ${macro}"
120 case "${invalid_p}" in
122 if test -n "${predefault}"
124 #invalid_p="gdbarch->${function} == ${predefault}"
125 predicate
="gdbarch->${function} != ${predefault}"
126 elif class_is_variable_p
128 predicate
="gdbarch->${function} != 0"
129 elif class_is_function_p
131 predicate
="gdbarch->${function} != NULL"
135 echo "Predicate function ${function} with invalid_p." 1>&2
142 # PREDEFAULT is a valid fallback definition of MEMBER when
143 # multi-arch is not enabled. This ensures that the
144 # default value, when multi-arch is the same as the
145 # default value when not multi-arch. POSTDEFAULT is
146 # always a valid definition of MEMBER as this again
147 # ensures consistency.
149 if [ -n "${postdefault}" ]
151 fallbackdefault
="${postdefault}"
152 elif [ -n "${predefault}" ]
154 fallbackdefault
="${predefault}"
159 #NOT YET: See gdbarch.log for basic verification of
174 fallback_default_p
()
176 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
177 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
180 class_is_variable_p
()
188 class_is_function_p
()
191 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
196 class_is_multiarch_p
()
204 class_is_predicate_p
()
207 *F
* |
*V
* |
*M
* ) true
;;
221 # dump out/verify the doco
231 # F -> function + predicate
232 # hiding a function + predicate to test function validity
235 # V -> variable + predicate
236 # hiding a variable + predicate to test variables validity
238 # hiding something from the ``struct info'' object
239 # m -> multi-arch function
240 # hiding a multi-arch function (parameterised with the architecture)
241 # M -> multi-arch function + predicate
242 # hiding a multi-arch function + predicate to test function validity
246 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
247 # LEVEL is a predicate on checking that a given method is
248 # initialized (using INVALID_P).
252 # The name of the MACRO that this method is to be accessed by.
256 # For functions, the return type; for variables, the data type
260 # For functions, the member function name; for variables, the
261 # variable name. Member function names are always prefixed with
262 # ``gdbarch_'' for name-space purity.
266 # The formal argument list. It is assumed that the formal
267 # argument list includes the actual name of each list element.
268 # A function with no arguments shall have ``void'' as the
269 # formal argument list.
273 # The list of actual arguments. The arguments specified shall
274 # match the FORMAL list given above. Functions with out
275 # arguments leave this blank.
279 # Any GCC attributes that should be attached to the function
280 # declaration. At present this field is unused.
284 # To help with the GDB startup a static gdbarch object is
285 # created. STATICDEFAULT is the value to insert into that
286 # static gdbarch object. Since this a static object only
287 # simple expressions can be used.
289 # If STATICDEFAULT is empty, zero is used.
293 # An initial value to assign to MEMBER of the freshly
294 # malloc()ed gdbarch object. After initialization, the
295 # freshly malloc()ed object is passed to the target
296 # architecture code for further updates.
298 # If PREDEFAULT is empty, zero is used.
300 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
301 # INVALID_P are specified, PREDEFAULT will be used as the
302 # default for the non- multi-arch target.
304 # A zero PREDEFAULT function will force the fallback to call
307 # Variable declarations can refer to ``gdbarch'' which will
308 # contain the current architecture. Care should be taken.
312 # A value to assign to MEMBER of the new gdbarch object should
313 # the target architecture code fail to change the PREDEFAULT
316 # If POSTDEFAULT is empty, no post update is performed.
318 # If both INVALID_P and POSTDEFAULT are non-empty then
319 # INVALID_P will be used to determine if MEMBER should be
320 # changed to POSTDEFAULT.
322 # If a non-empty POSTDEFAULT and a zero INVALID_P are
323 # specified, POSTDEFAULT will be used as the default for the
324 # non- multi-arch target (regardless of the value of
327 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
329 # Variable declarations can refer to ``current_gdbarch'' which
330 # will contain the current architecture. Care should be
335 # A predicate equation that validates MEMBER. Non-zero is
336 # returned if the code creating the new architecture failed to
337 # initialize MEMBER or the initialized the member is invalid.
338 # If POSTDEFAULT is non-empty then MEMBER will be updated to
339 # that value. If POSTDEFAULT is empty then internal_error()
342 # If INVALID_P is empty, a check that MEMBER is no longer
343 # equal to PREDEFAULT is used.
345 # The expression ``0'' disables the INVALID_P check making
346 # PREDEFAULT a legitimate value.
348 # See also PREDEFAULT and POSTDEFAULT.
352 # printf style format string that can be used to print out the
353 # MEMBER. Sometimes "%s" is useful. For functions, this is
354 # ignored and the function address is printed.
356 # If FMT is empty, ``%ld'' is used.
360 # An optional equation that casts MEMBER to a value suitable
361 # for formatting by FMT.
363 # If PRINT is empty, ``(long)'' is used.
367 # An optional indicator for any predicte to wrap around the
370 # () -> Call a custom function to do the dump.
371 # exp -> Wrap print up in ``if (${print_p}) ...
372 # ``'' -> No predicate
374 # If PRINT_P is empty, ``1'' is always used.
381 echo "Bad field ${field}"
389 # See below (DOCO) for description of each field
391 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
393 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
395 i:2:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN
396 # Number of bits in a char or unsigned char for the target machine.
397 # Just like CHAR_BIT in <limits.h> but describes the target machine.
398 # v:2:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
400 # Number of bits in a short or unsigned short for the target machine.
401 v:2:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
402 # Number of bits in an int or unsigned int for the target machine.
403 v:2:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
404 # Number of bits in a long or unsigned long for the target machine.
405 v:2:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
406 # Number of bits in a long long or unsigned long long for the target
408 v:2:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
409 # Number of bits in a float for the target machine.
410 v:2:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
411 # Number of bits in a double for the target machine.
412 v:2:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
413 # Number of bits in a long double for the target machine.
414 v:2:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
415 # For most targets, a pointer on the target and its representation as an
416 # address in GDB have the same size and "look the same". For such a
417 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
418 # / addr_bit will be set from it.
420 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
421 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
423 # ptr_bit is the size of a pointer on the target
424 v:2:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
425 # addr_bit is the size of a target address as represented in gdb
426 v:2:TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
427 # Number of bits in a BFD_VMA for the target object file format.
428 v:2:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
430 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
431 v:2:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
433 F:2:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
434 f:2:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
435 # UNWIND_SP is a direct replacement for TARGET_READ_SP.
436 F:2:TARGET_READ_SP:CORE_ADDR:read_sp:void
437 # Function for getting target's idea of a frame pointer. FIXME: GDB's
438 # whole scheme for dealing with "frames" and "frame pointers" needs a
440 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
442 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf
443 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf
445 v:2:NUM_REGS:int:num_regs::::0:-1
446 # This macro gives the number of pseudo-registers that live in the
447 # register namespace but do not get fetched or stored on the target.
448 # These pseudo-registers may be aliases for other registers,
449 # combinations of other registers, or they may be computed by GDB.
450 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
452 # GDB's standard (or well known) register numbers. These can map onto
453 # a real register or a pseudo (computed) register or not be defined at
455 # SP_REGNUM will hopefully be replaced by UNWIND_SP.
456 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
457 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
458 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
459 v:2:FP0_REGNUM:int:fp0_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 # 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 # DEPRECATED_FIX_CALL_DUMMY can be deleted. For the SPARC, implement
541 # PUSH_DUMMY_CODE and set CALL_DUMMY_LOCATION to ON_STACK.
542 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
543 # This is a replacement for DEPRECATED_FIX_CALL_DUMMY et.al.
544 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
545 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_PUSH_DUMMY_FRAME.
546 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-
548 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
549 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
550 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
551 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
552 # MAP a GDB RAW register number onto a simulator register number. See
553 # also include/...-sim.h.
554 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
555 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes
556 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
557 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
558 # setjmp/longjmp support.
559 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc
560 # NOTE: cagney/2002-11-24: This function with predicate has a valid
561 # (callable) initial value. As a consequence, even when the predicate
562 # is false, the corresponding function works. This simplifies the
563 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
564 # doesn't need to be modified.
565 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
566 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
567 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
569 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
570 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
571 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
573 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
574 # For raw <-> cooked register conversions, replaced by pseudo registers.
575 f:2:DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr:::deprecated_register_convertible_not::0
576 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
577 # For raw <-> cooked register conversions, replaced by pseudo registers.
578 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
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_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
583 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum, struct type *type:regnum, type::0:legacy_convert_register_p::0
584 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
585 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
587 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
588 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
589 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
591 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
592 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
593 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
595 # It has been suggested that this, well actually its predecessor,
596 # should take the type/value of the function to be called and not the
597 # return type. This is left as an exercise for the reader.
599 M:::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, void *readbuf, const void *writebuf:valtype, regcache, readbuf, writebuf
601 # The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
602 # STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
605 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
606 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
607 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
608 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
609 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
610 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
612 # As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
613 # ABI suitable for the implementation of a robust extract
614 # struct-convention return-value address method (the sparc saves the
615 # address in the callers frame). All the other cases so far examined,
616 # the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
617 # erreneous - the code was incorrectly assuming that the return-value
618 # address, stored in a register, was preserved across the entire
621 # For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
622 # the ABIs that are still to be analyzed - perhaps this should simply
623 # be deleted. The commented out extract_returned_value_address method
624 # is provided as a starting point for the 32-bit SPARC. It, or
625 # something like it, along with changes to both infcmd.c and stack.c
626 # will be needed for that case to work. NB: It is passed the callers
627 # frame since it is only after the callee has returned that this
630 #M:::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame
631 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:struct regcache *regcache:regcache
633 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
634 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
636 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
637 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
638 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
639 M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
640 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
641 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
642 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:::0
643 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:::0
645 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
647 v::FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:::0
648 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
649 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
650 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
651 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
652 # note, per UNWIND_PC's doco, that while the two have similar
653 # interfaces they have very different underlying implementations.
654 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
655 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
656 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
657 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
658 # frame-base. Enable frame-base before frame-unwind.
659 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
660 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
661 # frame-base. Enable frame-base before frame-unwind.
662 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
663 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
664 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
666 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
667 # to frame_align and the requirement that methods such as
668 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
670 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
671 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
672 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
673 # stabs_argument_has_addr.
674 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
675 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
676 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
677 v:2:PARM_BOUNDARY:int:parm_boundary
679 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (current_gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
680 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
681 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
682 m:::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ:::convert_from_func_ptr_addr_identity::0
683 # On some machines there are bits in addresses which are not really
684 # part of the address, but are used by the kernel, the hardware, etc.
685 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
686 # we get a "real" address such as one would find in a symbol table.
687 # This is used only for addresses of instructions, and even then I'm
688 # not sure it's used in all contexts. It exists to deal with there
689 # being a few stray bits in the PC which would mislead us, not as some
690 # sort of generic thing to handle alignment or segmentation (it's
691 # possible it should be in TARGET_READ_PC instead).
692 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
693 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
695 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
696 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
697 # the target needs software single step. An ISA method to implement it.
699 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
700 # using the breakpoint system instead of blatting memory directly (as with rs6000).
702 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
703 # single step. If not, then implement single step using breakpoints.
704 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
705 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
706 # disassembler. Perhaphs objdump can handle it?
707 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
708 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
711 # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
712 # evaluates non-zero, this is the address where the debugger will place
713 # a step-resume breakpoint to get us past the dynamic linker.
714 m:2:SKIP_SOLIB_RESOLVER:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc:::generic_skip_solib_resolver::0
715 # For SVR4 shared libraries, each call goes through a small piece of
716 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
717 # to nonzero if we are currently stopped in one of these.
718 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
720 # Some systems also have trampoline code for returning from shared libs.
721 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
723 # Sigtramp is a routine that the kernel calls (which then calls the
724 # signal handler). On most machines it is a library routine that is
725 # linked into the executable.
727 # This macro, given a program counter value and the name of the
728 # function in which that PC resides (which can be null if the name is
729 # not known), returns nonzero if the PC and name show that we are in
732 # On most machines just see if the name is sigtramp (and if we have
733 # no name, assume we are not in sigtramp).
735 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
736 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
737 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
738 # own local NAME lookup.
740 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
741 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
743 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
744 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
745 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
746 # A target might have problems with watchpoints as soon as the stack
747 # frame of the current function has been destroyed. This mostly happens
748 # as the first action in a funtion's epilogue. in_function_epilogue_p()
749 # is defined to return a non-zero value if either the given addr is one
750 # instruction after the stack destroying instruction up to the trailing
751 # return instruction or if we can figure out that the stack frame has
752 # already been invalidated regardless of the value of addr. Targets
753 # which don't suffer from that problem could just let this functionality
755 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
756 # Given a vector of command-line arguments, return a newly allocated
757 # string which, when passed to the create_inferior function, will be
758 # parsed (on Unix systems, by the shell) to yield the same vector.
759 # This function should call error() if the argument vector is not
760 # representable for this target or if this target does not support
761 # command-line arguments.
762 # ARGC is the number of elements in the vector.
763 # ARGV is an array of strings, one per argument.
764 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
765 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
766 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
767 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
768 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
769 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
770 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
771 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
772 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
773 # Is a register in a group
774 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
775 # Fetch the pointer to the ith function argument.
776 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
778 # Return the appropriate register set for a core file section with
779 # name SECT_NAME and size SECT_SIZE.
780 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
787 exec > new-gdbarch.log
788 function_list |
while do_read
791 ${class} ${macro}(${actual})
792 ${returntype} ${function} ($formal)${attrib}
796 eval echo \"\ \ \ \
${r}=\
${${r}}\"
798 if class_is_predicate_p
&& fallback_default_p
800 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
804 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
806 echo "Error: postdefault is useless when invalid_p=0" 1>&2
810 if class_is_multiarch_p
812 if class_is_predicate_p
; then :
813 elif test "x${predefault}" = "x"
815 echo "Error: pure multi-arch function must have a predefault" 1>&2
824 compare_new gdbarch.log
830 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
832 /* Dynamic architecture support for GDB, the GNU debugger.
834 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
835 Software Foundation, Inc.
837 This file is part of GDB.
839 This program is free software; you can redistribute it and/or modify
840 it under the terms of the GNU General Public License as published by
841 the Free Software Foundation; either version 2 of the License, or
842 (at your option) any later version.
844 This program is distributed in the hope that it will be useful,
845 but WITHOUT ANY WARRANTY; without even the implied warranty of
846 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
847 GNU General Public License for more details.
849 You should have received a copy of the GNU General Public License
850 along with this program; if not, write to the Free Software
851 Foundation, Inc., 59 Temple Place - Suite 330,
852 Boston, MA 02111-1307, USA. */
854 /* This file was created with the aid of \`\`gdbarch.sh''.
856 The Bourne shell script \`\`gdbarch.sh'' creates the files
857 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
858 against the existing \`\`gdbarch.[hc]''. Any differences found
861 If editing this file, please also run gdbarch.sh and merge any
862 changes into that script. Conversely, when making sweeping changes
863 to this file, modifying gdbarch.sh and using its output may prove
884 struct minimal_symbol;
888 struct disassemble_info;
891 extern struct gdbarch *current_gdbarch;
894 /* If any of the following are defined, the target wasn't correctly
897 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
898 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
905 printf "/* The following are pre-initialized by GDBARCH. */\n"
906 function_list |
while do_read
911 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
912 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
913 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
914 printf "#error \"Non multi-arch definition of ${macro}\"\n"
916 printf "#if !defined (${macro})\n"
917 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
925 printf "/* The following are initialized by the target dependent code. */\n"
926 function_list |
while do_read
928 if [ -n "${comment}" ]
930 echo "${comment}" |
sed \
935 if class_is_multiarch_p
937 if class_is_predicate_p
940 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
943 if class_is_predicate_p
946 printf "#if defined (${macro})\n"
947 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
948 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
949 printf "#if !defined (${macro}_P)\n"
950 printf "#define ${macro}_P() (1)\n"
954 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
955 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
956 printf "#error \"Non multi-arch definition of ${macro}\"\n"
958 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
959 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
963 if class_is_variable_p
966 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
967 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
968 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
969 printf "#error \"Non multi-arch definition of ${macro}\"\n"
971 printf "#if !defined (${macro})\n"
972 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
975 if class_is_function_p
978 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
980 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
981 elif class_is_multiarch_p
983 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
985 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
987 if [ "x${formal}" = "xvoid" ]
989 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
991 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
993 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
994 if class_is_multiarch_p
; then :
996 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
997 printf "#error \"Non multi-arch definition of ${macro}\"\n"
999 if [ "x${actual}" = "x" ]
1001 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
1002 elif [ "x${actual}" = "x-" ]
1004 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
1006 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
1008 printf "#if !defined (${macro})\n"
1009 if [ "x${actual}" = "x" ]
1011 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
1012 elif [ "x${actual}" = "x-" ]
1014 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1016 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1026 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1029 /* Mechanism for co-ordinating the selection of a specific
1032 GDB targets (*-tdep.c) can register an interest in a specific
1033 architecture. Other GDB components can register a need to maintain
1034 per-architecture data.
1036 The mechanisms below ensures that there is only a loose connection
1037 between the set-architecture command and the various GDB
1038 components. Each component can independently register their need
1039 to maintain architecture specific data with gdbarch.
1043 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1046 The more traditional mega-struct containing architecture specific
1047 data for all the various GDB components was also considered. Since
1048 GDB is built from a variable number of (fairly independent)
1049 components it was determined that the global aproach was not
1053 /* Register a new architectural family with GDB.
1055 Register support for the specified ARCHITECTURE with GDB. When
1056 gdbarch determines that the specified architecture has been
1057 selected, the corresponding INIT function is called.
1061 The INIT function takes two parameters: INFO which contains the
1062 information available to gdbarch about the (possibly new)
1063 architecture; ARCHES which is a list of the previously created
1064 \`\`struct gdbarch'' for this architecture.
1066 The INFO parameter is, as far as possible, be pre-initialized with
1067 information obtained from INFO.ABFD or the previously selected
1070 The ARCHES parameter is a linked list (sorted most recently used)
1071 of all the previously created architures for this architecture
1072 family. The (possibly NULL) ARCHES->gdbarch can used to access
1073 values from the previously selected architecture for this
1074 architecture family. The global \`\`current_gdbarch'' shall not be
1077 The INIT function shall return any of: NULL - indicating that it
1078 doesn't recognize the selected architecture; an existing \`\`struct
1079 gdbarch'' from the ARCHES list - indicating that the new
1080 architecture is just a synonym for an earlier architecture (see
1081 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1082 - that describes the selected architecture (see gdbarch_alloc()).
1084 The DUMP_TDEP function shall print out all target specific values.
1085 Care should be taken to ensure that the function works in both the
1086 multi-arch and non- multi-arch cases. */
1090 struct gdbarch *gdbarch;
1091 struct gdbarch_list *next;
1096 /* Use default: NULL (ZERO). */
1097 const struct bfd_arch_info *bfd_arch_info;
1099 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1102 /* Use default: NULL (ZERO). */
1105 /* Use default: NULL (ZERO). */
1106 struct gdbarch_tdep_info *tdep_info;
1108 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1109 enum gdb_osabi osabi;
1112 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1113 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1115 /* DEPRECATED - use gdbarch_register() */
1116 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1118 extern void gdbarch_register (enum bfd_architecture architecture,
1119 gdbarch_init_ftype *,
1120 gdbarch_dump_tdep_ftype *);
1123 /* Return a freshly allocated, NULL terminated, array of the valid
1124 architecture names. Since architectures are registered during the
1125 _initialize phase this function only returns useful information
1126 once initialization has been completed. */
1128 extern const char **gdbarch_printable_names (void);
1131 /* Helper function. Search the list of ARCHES for a GDBARCH that
1132 matches the information provided by INFO. */
1134 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1137 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1138 basic initialization using values obtained from the INFO andTDEP
1139 parameters. set_gdbarch_*() functions are called to complete the
1140 initialization of the object. */
1142 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1145 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1146 It is assumed that the caller freeds the \`\`struct
1149 extern void gdbarch_free (struct gdbarch *);
1152 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1153 obstack. The memory is freed when the corresponding architecture
1156 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1157 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1158 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1161 /* Helper function. Force an update of the current architecture.
1163 The actual architecture selected is determined by INFO, \`\`(gdb) set
1164 architecture'' et.al., the existing architecture and BFD's default
1165 architecture. INFO should be initialized to zero and then selected
1166 fields should be updated.
1168 Returns non-zero if the update succeeds */
1170 extern int gdbarch_update_p (struct gdbarch_info info);
1173 /* Helper function. Find an architecture matching info.
1175 INFO should be initialized using gdbarch_info_init, relevant fields
1176 set, and then finished using gdbarch_info_fill.
1178 Returns the corresponding architecture, or NULL if no matching
1179 architecture was found. "current_gdbarch" is not updated. */
1181 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1184 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1186 FIXME: kettenis/20031124: Of the functions that follow, only
1187 gdbarch_from_bfd is supposed to survive. The others will
1188 dissappear since in the future GDB will (hopefully) be truly
1189 multi-arch. However, for now we're still stuck with the concept of
1190 a single active architecture. */
1192 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1195 /* Register per-architecture data-pointer.
1197 Reserve space for a per-architecture data-pointer. An identifier
1198 for the reserved data-pointer is returned. That identifer should
1199 be saved in a local static variable.
1201 The per-architecture data-pointer is either initialized explicitly
1202 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1205 Memory for the per-architecture data shall be allocated using
1206 gdbarch_obstack_zalloc. That memory will be deleted when the
1207 corresponding architecture object is deleted.
1209 When a previously created architecture is re-selected, the
1210 per-architecture data-pointer for that previous architecture is
1211 restored. INIT() is not re-called.
1213 Multiple registrarants for any architecture are allowed (and
1214 strongly encouraged). */
1216 struct gdbarch_data;
1218 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1219 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1220 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1221 struct gdbarch_data *data,
1224 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1228 /* Register per-architecture memory region.
1230 Provide a memory-region swap mechanism. Per-architecture memory
1231 region are created. These memory regions are swapped whenever the
1232 architecture is changed. For a new architecture, the memory region
1233 is initialized with zero (0) and the INIT function is called.
1235 Memory regions are swapped / initialized in the order that they are
1236 registered. NULL DATA and/or INIT values can be specified.
1238 New code should use register_gdbarch_data(). */
1240 typedef void (gdbarch_swap_ftype) (void);
1241 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1242 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1246 /* Set the dynamic target-system-dependent parameters (architecture,
1247 byte-order, ...) using information found in the BFD */
1249 extern void set_gdbarch_from_file (bfd *);
1252 /* Initialize the current architecture to the "first" one we find on
1255 extern void initialize_current_architecture (void);
1257 /* gdbarch trace variable */
1258 extern int gdbarch_debug;
1260 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1265 #../move-if-change new-gdbarch.h gdbarch.h
1266 compare_new gdbarch.h
1273 exec > new-gdbarch.c
1278 #include "arch-utils.h"
1281 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1284 #include "floatformat.h"
1286 #include "gdb_assert.h"
1287 #include "gdb_string.h"
1288 #include "gdb-events.h"
1289 #include "reggroups.h"
1291 #include "gdb_obstack.h"
1293 /* Static function declarations */
1295 static void alloc_gdbarch_data (struct gdbarch *);
1297 /* Non-zero if we want to trace architecture code. */
1299 #ifndef GDBARCH_DEBUG
1300 #define GDBARCH_DEBUG 0
1302 int gdbarch_debug = GDBARCH_DEBUG;
1306 # gdbarch open the gdbarch object
1308 printf "/* Maintain the struct gdbarch object */\n"
1310 printf "struct gdbarch\n"
1312 printf " /* Has this architecture been fully initialized? */\n"
1313 printf " int initialized_p;\n"
1315 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1316 printf " struct obstack *obstack;\n"
1318 printf " /* basic architectural information */\n"
1319 function_list |
while do_read
1323 printf " ${returntype} ${function};\n"
1327 printf " /* target specific vector. */\n"
1328 printf " struct gdbarch_tdep *tdep;\n"
1329 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1331 printf " /* per-architecture data-pointers */\n"
1332 printf " unsigned nr_data;\n"
1333 printf " void **data;\n"
1335 printf " /* per-architecture swap-regions */\n"
1336 printf " struct gdbarch_swap *swap;\n"
1339 /* Multi-arch values.
1341 When extending this structure you must:
1343 Add the field below.
1345 Declare set/get functions and define the corresponding
1348 gdbarch_alloc(): If zero/NULL is not a suitable default,
1349 initialize the new field.
1351 verify_gdbarch(): Confirm that the target updated the field
1354 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1357 \`\`startup_gdbarch()'': Append an initial value to the static
1358 variable (base values on the host's c-type system).
1360 get_gdbarch(): Implement the set/get functions (probably using
1361 the macro's as shortcuts).
1366 function_list |
while do_read
1368 if class_is_variable_p
1370 printf " ${returntype} ${function};\n"
1371 elif class_is_function_p
1373 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1378 # A pre-initialized vector
1382 /* The default architecture uses host values (for want of a better
1386 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1388 printf "struct gdbarch startup_gdbarch =\n"
1390 printf " 1, /* Always initialized. */\n"
1391 printf " NULL, /* The obstack. */\n"
1392 printf " /* basic architecture information */\n"
1393 function_list |
while do_read
1397 printf " ${staticdefault}, /* ${function} */\n"
1401 /* target specific vector and its dump routine */
1403 /*per-architecture data-pointers and swap regions */
1405 /* Multi-arch values */
1407 function_list |
while do_read
1409 if class_is_function_p || class_is_variable_p
1411 printf " ${staticdefault}, /* ${function} */\n"
1415 /* startup_gdbarch() */
1418 struct gdbarch *current_gdbarch = &startup_gdbarch;
1421 # Create a new gdbarch struct
1424 /* Create a new \`\`struct gdbarch'' based on information provided by
1425 \`\`struct gdbarch_info''. */
1430 gdbarch_alloc (const struct gdbarch_info *info,
1431 struct gdbarch_tdep *tdep)
1433 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1434 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1435 the current local architecture and not the previous global
1436 architecture. This ensures that the new architectures initial
1437 values are not influenced by the previous architecture. Once
1438 everything is parameterised with gdbarch, this will go away. */
1439 struct gdbarch *current_gdbarch;
1441 /* Create an obstack for allocating all the per-architecture memory,
1442 then use that to allocate the architecture vector. */
1443 struct obstack *obstack = XMALLOC (struct obstack);
1444 obstack_init (obstack);
1445 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1446 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1447 current_gdbarch->obstack = obstack;
1449 alloc_gdbarch_data (current_gdbarch);
1451 current_gdbarch->tdep = tdep;
1454 function_list |
while do_read
1458 printf " current_gdbarch->${function} = info->${function};\n"
1462 printf " /* Force the explicit initialization of these. */\n"
1463 function_list |
while do_read
1465 if class_is_function_p || class_is_variable_p
1467 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1469 printf " current_gdbarch->${function} = ${predefault};\n"
1474 /* gdbarch_alloc() */
1476 return current_gdbarch;
1480 # Free a gdbarch struct.
1484 /* Allocate extra space using the per-architecture obstack. */
1487 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1489 void *data = obstack_alloc (arch->obstack, size);
1490 memset (data, 0, size);
1495 /* Free a gdbarch struct. This should never happen in normal
1496 operation --- once you've created a gdbarch, you keep it around.
1497 However, if an architecture's init function encounters an error
1498 building the structure, it may need to clean up a partially
1499 constructed gdbarch. */
1502 gdbarch_free (struct gdbarch *arch)
1504 struct obstack *obstack;
1505 gdb_assert (arch != NULL);
1506 gdb_assert (!arch->initialized_p);
1507 obstack = arch->obstack;
1508 obstack_free (obstack, 0); /* Includes the ARCH. */
1513 # verify a new architecture
1517 /* Ensure that all values in a GDBARCH are reasonable. */
1519 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1520 just happens to match the global variable \`\`current_gdbarch''. That
1521 way macros refering to that variable get the local and not the global
1522 version - ulgh. Once everything is parameterised with gdbarch, this
1526 verify_gdbarch (struct gdbarch *current_gdbarch)
1528 struct ui_file *log;
1529 struct cleanup *cleanups;
1532 log = mem_fileopen ();
1533 cleanups = make_cleanup_ui_file_delete (log);
1535 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1536 fprintf_unfiltered (log, "\n\tbyte-order");
1537 if (current_gdbarch->bfd_arch_info == NULL)
1538 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1539 /* Check those that need to be defined for the given multi-arch level. */
1541 function_list |
while do_read
1543 if class_is_function_p || class_is_variable_p
1545 if [ "x${invalid_p}" = "x0" ]
1547 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1548 elif class_is_predicate_p
1550 printf " /* Skip verify of ${function}, has predicate */\n"
1551 # FIXME: See do_read for potential simplification
1552 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1554 printf " if (${invalid_p})\n"
1555 printf " current_gdbarch->${function} = ${postdefault};\n"
1556 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1558 printf " if (current_gdbarch->${function} == ${predefault})\n"
1559 printf " current_gdbarch->${function} = ${postdefault};\n"
1560 elif [ -n "${postdefault}" ]
1562 printf " if (current_gdbarch->${function} == 0)\n"
1563 printf " current_gdbarch->${function} = ${postdefault};\n"
1564 elif [ -n "${invalid_p}" ]
1566 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1567 printf " && (${invalid_p}))\n"
1568 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1569 elif [ -n "${predefault}" ]
1571 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1572 printf " && (current_gdbarch->${function} == ${predefault}))\n"
1573 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1578 buf = ui_file_xstrdup (log, &dummy);
1579 make_cleanup (xfree, buf);
1580 if (strlen (buf) > 0)
1581 internal_error (__FILE__, __LINE__,
1582 "verify_gdbarch: the following are invalid ...%s",
1584 do_cleanups (cleanups);
1588 # dump the structure
1592 /* Print out the details of the current architecture. */
1594 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1595 just happens to match the global variable \`\`current_gdbarch''. That
1596 way macros refering to that variable get the local and not the global
1597 version - ulgh. Once everything is parameterised with gdbarch, this
1601 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1603 fprintf_unfiltered (file,
1604 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1607 function_list |
sort -t: -k 3 |
while do_read
1609 # First the predicate
1610 if class_is_predicate_p
1612 if class_is_multiarch_p
1614 printf " fprintf_unfiltered (file,\n"
1615 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1616 printf " gdbarch_${function}_p (current_gdbarch));\n"
1618 printf "#ifdef ${macro}_P\n"
1619 printf " fprintf_unfiltered (file,\n"
1620 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1621 printf " \"${macro}_P()\",\n"
1622 printf " XSTRING (${macro}_P ()));\n"
1623 printf " fprintf_unfiltered (file,\n"
1624 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1625 printf " ${macro}_P ());\n"
1629 # multiarch functions don't have macros.
1630 if class_is_multiarch_p
1632 printf " fprintf_unfiltered (file,\n"
1633 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1634 printf " (long) current_gdbarch->${function});\n"
1637 # Print the macro definition.
1638 printf "#ifdef ${macro}\n"
1639 if class_is_function_p
1641 printf " fprintf_unfiltered (file,\n"
1642 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1643 printf " \"${macro}(${actual})\",\n"
1644 printf " XSTRING (${macro} (${actual})));\n"
1646 printf " fprintf_unfiltered (file,\n"
1647 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1648 printf " XSTRING (${macro}));\n"
1650 if [ "x${print_p}" = "x()" ]
1652 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1653 elif [ "x${print_p}" = "x0" ]
1655 printf " /* skip print of ${macro}, print_p == 0. */\n"
1656 elif [ -n "${print_p}" ]
1658 printf " if (${print_p})\n"
1659 printf " fprintf_unfiltered (file,\n"
1660 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1661 printf " ${print});\n"
1662 elif class_is_function_p
1664 printf " fprintf_unfiltered (file,\n"
1665 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1666 printf " (long) current_gdbarch->${function}\n"
1667 printf " /*${macro} ()*/);\n"
1669 printf " fprintf_unfiltered (file,\n"
1670 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1671 printf " ${print});\n"
1676 if (current_gdbarch->dump_tdep != NULL)
1677 current_gdbarch->dump_tdep (current_gdbarch, file);
1685 struct gdbarch_tdep *
1686 gdbarch_tdep (struct gdbarch *gdbarch)
1688 if (gdbarch_debug >= 2)
1689 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1690 return gdbarch->tdep;
1694 function_list |
while do_read
1696 if class_is_predicate_p
1700 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1702 printf " gdb_assert (gdbarch != NULL);\n"
1703 printf " return ${predicate};\n"
1706 if class_is_function_p
1709 printf "${returntype}\n"
1710 if [ "x${formal}" = "xvoid" ]
1712 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1714 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1717 printf " gdb_assert (gdbarch != NULL);\n"
1718 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1719 if class_is_predicate_p
&& test -n "${predefault}"
1721 # Allow a call to a function with a predicate.
1722 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1724 printf " if (gdbarch_debug >= 2)\n"
1725 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1726 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1728 if class_is_multiarch_p
1735 if class_is_multiarch_p
1737 params
="gdbarch, ${actual}"
1742 if [ "x${returntype}" = "xvoid" ]
1744 printf " gdbarch->${function} (${params});\n"
1746 printf " return gdbarch->${function} (${params});\n"
1751 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1752 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1754 printf " gdbarch->${function} = ${function};\n"
1756 elif class_is_variable_p
1759 printf "${returntype}\n"
1760 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1762 printf " gdb_assert (gdbarch != NULL);\n"
1763 if [ "x${invalid_p}" = "x0" ]
1765 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1766 elif [ -n "${invalid_p}" ]
1768 printf " /* Check variable is valid. */\n"
1769 printf " gdb_assert (!(${invalid_p}));\n"
1770 elif [ -n "${predefault}" ]
1772 printf " /* Check variable changed from pre-default. */\n"
1773 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1775 printf " if (gdbarch_debug >= 2)\n"
1776 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1777 printf " return gdbarch->${function};\n"
1781 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1782 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1784 printf " gdbarch->${function} = ${function};\n"
1786 elif class_is_info_p
1789 printf "${returntype}\n"
1790 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1792 printf " gdb_assert (gdbarch != NULL);\n"
1793 printf " if (gdbarch_debug >= 2)\n"
1794 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1795 printf " return gdbarch->${function};\n"
1800 # All the trailing guff
1804 /* Keep a registry of per-architecture data-pointers required by GDB
1811 gdbarch_data_init_ftype *init;
1814 struct gdbarch_data_registration
1816 struct gdbarch_data *data;
1817 struct gdbarch_data_registration *next;
1820 struct gdbarch_data_registry
1823 struct gdbarch_data_registration *registrations;
1826 struct gdbarch_data_registry gdbarch_data_registry =
1831 struct gdbarch_data *
1832 register_gdbarch_data (gdbarch_data_init_ftype *init)
1834 struct gdbarch_data_registration **curr;
1835 /* Append the new registraration. */
1836 for (curr = &gdbarch_data_registry.registrations;
1838 curr = &(*curr)->next);
1839 (*curr) = XMALLOC (struct gdbarch_data_registration);
1840 (*curr)->next = NULL;
1841 (*curr)->data = XMALLOC (struct gdbarch_data);
1842 (*curr)->data->index = gdbarch_data_registry.nr++;
1843 (*curr)->data->init = init;
1844 (*curr)->data->init_p = 1;
1845 return (*curr)->data;
1849 /* Create/delete the gdbarch data vector. */
1852 alloc_gdbarch_data (struct gdbarch *gdbarch)
1854 gdb_assert (gdbarch->data == NULL);
1855 gdbarch->nr_data = gdbarch_data_registry.nr;
1856 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1859 /* Initialize the current value of the specified per-architecture
1863 set_gdbarch_data (struct gdbarch *gdbarch,
1864 struct gdbarch_data *data,
1867 gdb_assert (data->index < gdbarch->nr_data);
1868 gdb_assert (gdbarch->data[data->index] == NULL);
1869 gdbarch->data[data->index] = pointer;
1872 /* Return the current value of the specified per-architecture
1876 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1878 gdb_assert (data->index < gdbarch->nr_data);
1879 /* The data-pointer isn't initialized, call init() to get a value but
1880 only if the architecture initializaiton has completed. Otherwise
1881 punt - hope that the caller knows what they are doing. */
1882 if (gdbarch->data[data->index] == NULL
1883 && gdbarch->initialized_p)
1885 /* Be careful to detect an initialization cycle. */
1886 gdb_assert (data->init_p);
1888 gdb_assert (data->init != NULL);
1889 gdbarch->data[data->index] = data->init (gdbarch);
1891 gdb_assert (gdbarch->data[data->index] != NULL);
1893 return gdbarch->data[data->index];
1898 /* Keep a registry of swapped data required by GDB modules. */
1903 struct gdbarch_swap_registration *source;
1904 struct gdbarch_swap *next;
1907 struct gdbarch_swap_registration
1910 unsigned long sizeof_data;
1911 gdbarch_swap_ftype *init;
1912 struct gdbarch_swap_registration *next;
1915 struct gdbarch_swap_registry
1918 struct gdbarch_swap_registration *registrations;
1921 struct gdbarch_swap_registry gdbarch_swap_registry =
1927 register_gdbarch_swap (void *data,
1928 unsigned long sizeof_data,
1929 gdbarch_swap_ftype *init)
1931 struct gdbarch_swap_registration **rego;
1932 for (rego = &gdbarch_swap_registry.registrations;
1934 rego = &(*rego)->next);
1935 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1936 (*rego)->next = NULL;
1937 (*rego)->init = init;
1938 (*rego)->data = data;
1939 (*rego)->sizeof_data = sizeof_data;
1943 current_gdbarch_swap_init_hack (void)
1945 struct gdbarch_swap_registration *rego;
1946 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1947 for (rego = gdbarch_swap_registry.registrations;
1951 if (rego->data != NULL)
1953 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1954 struct gdbarch_swap);
1955 (*curr)->source = rego;
1956 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1958 (*curr)->next = NULL;
1959 curr = &(*curr)->next;
1961 if (rego->init != NULL)
1966 static struct gdbarch *
1967 current_gdbarch_swap_out_hack (void)
1969 struct gdbarch *old_gdbarch = current_gdbarch;
1970 struct gdbarch_swap *curr;
1972 gdb_assert (old_gdbarch != NULL);
1973 for (curr = old_gdbarch->swap;
1977 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1978 memset (curr->source->data, 0, curr->source->sizeof_data);
1980 current_gdbarch = NULL;
1985 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
1987 struct gdbarch_swap *curr;
1989 gdb_assert (current_gdbarch == NULL);
1990 for (curr = new_gdbarch->swap;
1993 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1994 current_gdbarch = new_gdbarch;
1998 /* Keep a registry of the architectures known by GDB. */
2000 struct gdbarch_registration
2002 enum bfd_architecture bfd_architecture;
2003 gdbarch_init_ftype *init;
2004 gdbarch_dump_tdep_ftype *dump_tdep;
2005 struct gdbarch_list *arches;
2006 struct gdbarch_registration *next;
2009 static struct gdbarch_registration *gdbarch_registry = NULL;
2012 append_name (const char ***buf, int *nr, const char *name)
2014 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2020 gdbarch_printable_names (void)
2022 /* Accumulate a list of names based on the registed list of
2024 enum bfd_architecture a;
2026 const char **arches = NULL;
2027 struct gdbarch_registration *rego;
2028 for (rego = gdbarch_registry;
2032 const struct bfd_arch_info *ap;
2033 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2035 internal_error (__FILE__, __LINE__,
2036 "gdbarch_architecture_names: multi-arch unknown");
2039 append_name (&arches, &nr_arches, ap->printable_name);
2044 append_name (&arches, &nr_arches, NULL);
2050 gdbarch_register (enum bfd_architecture bfd_architecture,
2051 gdbarch_init_ftype *init,
2052 gdbarch_dump_tdep_ftype *dump_tdep)
2054 struct gdbarch_registration **curr;
2055 const struct bfd_arch_info *bfd_arch_info;
2056 /* Check that BFD recognizes this architecture */
2057 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2058 if (bfd_arch_info == NULL)
2060 internal_error (__FILE__, __LINE__,
2061 "gdbarch: Attempt to register unknown architecture (%d)",
2064 /* Check that we haven't seen this architecture before */
2065 for (curr = &gdbarch_registry;
2067 curr = &(*curr)->next)
2069 if (bfd_architecture == (*curr)->bfd_architecture)
2070 internal_error (__FILE__, __LINE__,
2071 "gdbarch: Duplicate registraration of architecture (%s)",
2072 bfd_arch_info->printable_name);
2076 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2077 bfd_arch_info->printable_name,
2080 (*curr) = XMALLOC (struct gdbarch_registration);
2081 (*curr)->bfd_architecture = bfd_architecture;
2082 (*curr)->init = init;
2083 (*curr)->dump_tdep = dump_tdep;
2084 (*curr)->arches = NULL;
2085 (*curr)->next = NULL;
2089 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2090 gdbarch_init_ftype *init)
2092 gdbarch_register (bfd_architecture, init, NULL);
2096 /* Look for an architecture using gdbarch_info. Base search on only
2097 BFD_ARCH_INFO and BYTE_ORDER. */
2099 struct gdbarch_list *
2100 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2101 const struct gdbarch_info *info)
2103 for (; arches != NULL; arches = arches->next)
2105 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2107 if (info->byte_order != arches->gdbarch->byte_order)
2109 if (info->osabi != arches->gdbarch->osabi)
2117 /* Find an architecture that matches the specified INFO. Create a new
2118 architecture if needed. Return that new architecture. Assumes
2119 that there is no current architecture. */
2121 static struct gdbarch *
2122 find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
2124 struct gdbarch *new_gdbarch;
2125 struct gdbarch_registration *rego;
2127 /* The existing architecture has been swapped out - all this code
2128 works from a clean slate. */
2129 gdb_assert (current_gdbarch == NULL);
2131 /* Fill in missing parts of the INFO struct using a number of
2132 sources: "set ..."; INFOabfd supplied; and the existing
2134 gdbarch_info_fill (old_gdbarch, &info);
2136 /* Must have found some sort of architecture. */
2137 gdb_assert (info.bfd_arch_info != NULL);
2141 fprintf_unfiltered (gdb_stdlog,
2142 "find_arch_by_info: info.bfd_arch_info %s\n",
2143 (info.bfd_arch_info != NULL
2144 ? info.bfd_arch_info->printable_name
2146 fprintf_unfiltered (gdb_stdlog,
2147 "find_arch_by_info: info.byte_order %d (%s)\n",
2149 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2150 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2152 fprintf_unfiltered (gdb_stdlog,
2153 "find_arch_by_info: info.osabi %d (%s)\n",
2154 info.osabi, gdbarch_osabi_name (info.osabi));
2155 fprintf_unfiltered (gdb_stdlog,
2156 "find_arch_by_info: info.abfd 0x%lx\n",
2158 fprintf_unfiltered (gdb_stdlog,
2159 "find_arch_by_info: info.tdep_info 0x%lx\n",
2160 (long) info.tdep_info);
2163 /* Find the tdep code that knows about this architecture. */
2164 for (rego = gdbarch_registry;
2167 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2172 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2173 "No matching architecture\n");
2177 /* Ask the tdep code for an architecture that matches "info". */
2178 new_gdbarch = rego->init (info, rego->arches);
2180 /* Did the tdep code like it? No. Reject the change and revert to
2181 the old architecture. */
2182 if (new_gdbarch == NULL)
2185 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2186 "Target rejected architecture\n");
2190 /* Is this a pre-existing architecture (as determined by already
2191 being initialized)? Move it to the front of the architecture
2192 list (keeping the list sorted Most Recently Used). */
2193 if (new_gdbarch->initialized_p)
2195 struct gdbarch_list **list;
2196 struct gdbarch_list *this;
2198 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2199 "Previous architecture 0x%08lx (%s) selected\n",
2201 new_gdbarch->bfd_arch_info->printable_name);
2202 /* Find the existing arch in the list. */
2203 for (list = ®o->arches;
2204 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2205 list = &(*list)->next);
2206 /* It had better be in the list of architectures. */
2207 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2210 (*list) = this->next;
2211 /* Insert THIS at the front. */
2212 this->next = rego->arches;
2213 rego->arches = this;
2218 /* It's a new architecture. */
2220 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2221 "New architecture 0x%08lx (%s) selected\n",
2223 new_gdbarch->bfd_arch_info->printable_name);
2225 /* Insert the new architecture into the front of the architecture
2226 list (keep the list sorted Most Recently Used). */
2228 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2229 this->next = rego->arches;
2230 this->gdbarch = new_gdbarch;
2231 rego->arches = this;
2234 /* Check that the newly installed architecture is valid. Plug in
2235 any post init values. */
2236 new_gdbarch->dump_tdep = rego->dump_tdep;
2237 verify_gdbarch (new_gdbarch);
2238 new_gdbarch->initialized_p = 1;
2240 /* Initialize any per-architecture swap areas. This phase requires
2241 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2242 swap the entire architecture out. */
2243 current_gdbarch = new_gdbarch;
2244 current_gdbarch_swap_init_hack ();
2245 current_gdbarch_swap_out_hack ();
2248 gdbarch_dump (new_gdbarch, gdb_stdlog);
2254 gdbarch_find_by_info (struct gdbarch_info info)
2256 /* Save the previously selected architecture, setting the global to
2257 NULL. This stops things like gdbarch->init() trying to use the
2258 previous architecture's configuration. The previous architecture
2259 may not even be of the same architecture family. The most recent
2260 architecture of the same family is found at the head of the
2261 rego->arches list. */
2262 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2264 /* Find the specified architecture. */
2265 struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
2267 /* Restore the existing architecture. */
2268 gdb_assert (current_gdbarch == NULL);
2269 current_gdbarch_swap_in_hack (old_gdbarch);
2274 /* Make the specified architecture current, swapping the existing one
2278 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2280 gdb_assert (new_gdbarch != NULL);
2281 gdb_assert (current_gdbarch != NULL);
2282 gdb_assert (new_gdbarch->initialized_p);
2283 current_gdbarch_swap_out_hack ();
2284 current_gdbarch_swap_in_hack (new_gdbarch);
2285 architecture_changed_event ();
2288 extern void _initialize_gdbarch (void);
2291 _initialize_gdbarch (void)
2293 struct cmd_list_element *c;
2295 add_show_from_set (add_set_cmd ("arch",
2298 (char *)&gdbarch_debug,
2299 "Set architecture debugging.\\n\\
2300 When non-zero, architecture debugging is enabled.", &setdebuglist),
2302 c = add_set_cmd ("archdebug",
2305 (char *)&gdbarch_debug,
2306 "Set architecture debugging.\\n\\
2307 When non-zero, architecture debugging is enabled.", &setlist);
2309 deprecate_cmd (c, "set debug arch");
2310 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2316 #../move-if-change new-gdbarch.c gdbarch.c
2317 compare_new gdbarch.c