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::deprecated_pc_in_call_dummy:deprecated_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::DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr
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 # DEPRECATED_FRAMELESS_FUNCTION_INVOCATION is not needed. The new
649 # frame code works regardless of the type of frame - frameless,
650 # stackless, or normal.
651 F::DEPRECATED_FRAMELESS_FUNCTION_INVOCATION:int:deprecated_frameless_function_invocation:struct frame_info *fi:fi
652 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
653 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
654 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
655 # note, per UNWIND_PC's doco, that while the two have similar
656 # interfaces they have very different underlying implementations.
657 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
658 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
659 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
660 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
661 # frame-base. Enable frame-base before frame-unwind.
662 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
663 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
664 # frame-base. Enable frame-base before frame-unwind.
665 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
666 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
667 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
669 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
670 # to frame_align and the requirement that methods such as
671 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
673 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
674 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
675 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
676 # stabs_argument_has_addr.
677 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
678 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
679 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
680 v:2:PARM_BOUNDARY:int:parm_boundary
682 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (current_gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
683 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
684 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
685 m:::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ:::convert_from_func_ptr_addr_identity::0
686 # On some machines there are bits in addresses which are not really
687 # part of the address, but are used by the kernel, the hardware, etc.
688 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
689 # we get a "real" address such as one would find in a symbol table.
690 # This is used only for addresses of instructions, and even then I'm
691 # not sure it's used in all contexts. It exists to deal with there
692 # being a few stray bits in the PC which would mislead us, not as some
693 # sort of generic thing to handle alignment or segmentation (it's
694 # possible it should be in TARGET_READ_PC instead).
695 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
696 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
698 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
699 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
700 # the target needs software single step. An ISA method to implement it.
702 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
703 # using the breakpoint system instead of blatting memory directly (as with rs6000).
705 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
706 # single step. If not, then implement single step using breakpoints.
707 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
708 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
709 # disassembler. Perhaphs objdump can handle it?
710 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
711 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
714 # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
715 # evaluates non-zero, this is the address where the debugger will place
716 # a step-resume breakpoint to get us past the dynamic linker.
717 m:2:SKIP_SOLIB_RESOLVER:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc:::generic_skip_solib_resolver::0
718 # For SVR4 shared libraries, each call goes through a small piece of
719 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
720 # to nonzero if we are currently stopped in one of these.
721 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
723 # Some systems also have trampoline code for returning from shared libs.
724 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
726 # NOTE: cagney/2004-03-23: DEPRECATED_SIGTRAMP_START,
727 # DEPRECATED_SIGTRAMP_END, and DEPRECATED_PC_IN_SIGTRAMP have all been
728 # superseeded by signal trampoline frame sniffers.
729 F::DEPRECATED_PC_IN_SIGTRAMP:int:deprecated_pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp
730 F:2:DEPRECATED_SIGTRAMP_START:CORE_ADDR:deprecated_sigtramp_start:CORE_ADDR pc:pc
731 F:2:DEPRECATED_SIGTRAMP_END:CORE_ADDR:deprecated_sigtramp_end:CORE_ADDR pc:pc
732 # A target might have problems with watchpoints as soon as the stack
733 # frame of the current function has been destroyed. This mostly happens
734 # as the first action in a funtion's epilogue. in_function_epilogue_p()
735 # is defined to return a non-zero value if either the given addr is one
736 # instruction after the stack destroying instruction up to the trailing
737 # return instruction or if we can figure out that the stack frame has
738 # already been invalidated regardless of the value of addr. Targets
739 # which don't suffer from that problem could just let this functionality
741 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
742 # Given a vector of command-line arguments, return a newly allocated
743 # string which, when passed to the create_inferior function, will be
744 # parsed (on Unix systems, by the shell) to yield the same vector.
745 # This function should call error() if the argument vector is not
746 # representable for this target or if this target does not support
747 # command-line arguments.
748 # ARGC is the number of elements in the vector.
749 # ARGV is an array of strings, one per argument.
750 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
751 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
752 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
753 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
754 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
755 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
756 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
757 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
758 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
759 # Is a register in a group
760 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
761 # Fetch the pointer to the ith function argument.
762 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
764 # Return the appropriate register set for a core file section with
765 # name SECT_NAME and size SECT_SIZE.
766 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
773 exec > new-gdbarch.log
774 function_list |
while do_read
777 ${class} ${macro}(${actual})
778 ${returntype} ${function} ($formal)${attrib}
782 eval echo \"\ \ \ \
${r}=\
${${r}}\"
784 if class_is_predicate_p
&& fallback_default_p
786 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
790 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
792 echo "Error: postdefault is useless when invalid_p=0" 1>&2
796 if class_is_multiarch_p
798 if class_is_predicate_p
; then :
799 elif test "x${predefault}" = "x"
801 echo "Error: pure multi-arch function must have a predefault" 1>&2
810 compare_new gdbarch.log
816 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
818 /* Dynamic architecture support for GDB, the GNU debugger.
820 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
821 Software Foundation, Inc.
823 This file is part of GDB.
825 This program is free software; you can redistribute it and/or modify
826 it under the terms of the GNU General Public License as published by
827 the Free Software Foundation; either version 2 of the License, or
828 (at your option) any later version.
830 This program is distributed in the hope that it will be useful,
831 but WITHOUT ANY WARRANTY; without even the implied warranty of
832 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
833 GNU General Public License for more details.
835 You should have received a copy of the GNU General Public License
836 along with this program; if not, write to the Free Software
837 Foundation, Inc., 59 Temple Place - Suite 330,
838 Boston, MA 02111-1307, USA. */
840 /* This file was created with the aid of \`\`gdbarch.sh''.
842 The Bourne shell script \`\`gdbarch.sh'' creates the files
843 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
844 against the existing \`\`gdbarch.[hc]''. Any differences found
847 If editing this file, please also run gdbarch.sh and merge any
848 changes into that script. Conversely, when making sweeping changes
849 to this file, modifying gdbarch.sh and using its output may prove
870 struct minimal_symbol;
874 struct disassemble_info;
878 extern struct gdbarch *current_gdbarch;
881 /* If any of the following are defined, the target wasn't correctly
884 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
885 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
892 printf "/* The following are pre-initialized by GDBARCH. */\n"
893 function_list |
while do_read
898 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
899 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
900 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
901 printf "#error \"Non multi-arch definition of ${macro}\"\n"
903 printf "#if !defined (${macro})\n"
904 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
912 printf "/* The following are initialized by the target dependent code. */\n"
913 function_list |
while do_read
915 if [ -n "${comment}" ]
917 echo "${comment}" |
sed \
922 if class_is_multiarch_p
924 if class_is_predicate_p
927 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
930 if class_is_predicate_p
933 printf "#if defined (${macro})\n"
934 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
935 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
936 printf "#if !defined (${macro}_P)\n"
937 printf "#define ${macro}_P() (1)\n"
941 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
942 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
943 printf "#error \"Non multi-arch definition of ${macro}\"\n"
945 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
946 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
950 if class_is_variable_p
953 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
954 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
955 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
956 printf "#error \"Non multi-arch definition of ${macro}\"\n"
958 printf "#if !defined (${macro})\n"
959 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
962 if class_is_function_p
965 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
967 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
968 elif class_is_multiarch_p
970 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
972 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
974 if [ "x${formal}" = "xvoid" ]
976 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
978 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
980 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
981 if class_is_multiarch_p
; then :
983 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
984 printf "#error \"Non multi-arch definition of ${macro}\"\n"
986 if [ "x${actual}" = "x" ]
988 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
989 elif [ "x${actual}" = "x-" ]
991 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
993 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
995 printf "#if !defined (${macro})\n"
996 if [ "x${actual}" = "x" ]
998 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
999 elif [ "x${actual}" = "x-" ]
1001 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1003 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1013 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1016 /* Mechanism for co-ordinating the selection of a specific
1019 GDB targets (*-tdep.c) can register an interest in a specific
1020 architecture. Other GDB components can register a need to maintain
1021 per-architecture data.
1023 The mechanisms below ensures that there is only a loose connection
1024 between the set-architecture command and the various GDB
1025 components. Each component can independently register their need
1026 to maintain architecture specific data with gdbarch.
1030 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1033 The more traditional mega-struct containing architecture specific
1034 data for all the various GDB components was also considered. Since
1035 GDB is built from a variable number of (fairly independent)
1036 components it was determined that the global aproach was not
1040 /* Register a new architectural family with GDB.
1042 Register support for the specified ARCHITECTURE with GDB. When
1043 gdbarch determines that the specified architecture has been
1044 selected, the corresponding INIT function is called.
1048 The INIT function takes two parameters: INFO which contains the
1049 information available to gdbarch about the (possibly new)
1050 architecture; ARCHES which is a list of the previously created
1051 \`\`struct gdbarch'' for this architecture.
1053 The INFO parameter is, as far as possible, be pre-initialized with
1054 information obtained from INFO.ABFD or the previously selected
1057 The ARCHES parameter is a linked list (sorted most recently used)
1058 of all the previously created architures for this architecture
1059 family. The (possibly NULL) ARCHES->gdbarch can used to access
1060 values from the previously selected architecture for this
1061 architecture family. The global \`\`current_gdbarch'' shall not be
1064 The INIT function shall return any of: NULL - indicating that it
1065 doesn't recognize the selected architecture; an existing \`\`struct
1066 gdbarch'' from the ARCHES list - indicating that the new
1067 architecture is just a synonym for an earlier architecture (see
1068 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1069 - that describes the selected architecture (see gdbarch_alloc()).
1071 The DUMP_TDEP function shall print out all target specific values.
1072 Care should be taken to ensure that the function works in both the
1073 multi-arch and non- multi-arch cases. */
1077 struct gdbarch *gdbarch;
1078 struct gdbarch_list *next;
1083 /* Use default: NULL (ZERO). */
1084 const struct bfd_arch_info *bfd_arch_info;
1086 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1089 /* Use default: NULL (ZERO). */
1092 /* Use default: NULL (ZERO). */
1093 struct gdbarch_tdep_info *tdep_info;
1095 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1096 enum gdb_osabi osabi;
1099 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1100 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1102 /* DEPRECATED - use gdbarch_register() */
1103 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1105 extern void gdbarch_register (enum bfd_architecture architecture,
1106 gdbarch_init_ftype *,
1107 gdbarch_dump_tdep_ftype *);
1110 /* Return a freshly allocated, NULL terminated, array of the valid
1111 architecture names. Since architectures are registered during the
1112 _initialize phase this function only returns useful information
1113 once initialization has been completed. */
1115 extern const char **gdbarch_printable_names (void);
1118 /* Helper function. Search the list of ARCHES for a GDBARCH that
1119 matches the information provided by INFO. */
1121 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1124 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1125 basic initialization using values obtained from the INFO andTDEP
1126 parameters. set_gdbarch_*() functions are called to complete the
1127 initialization of the object. */
1129 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1132 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1133 It is assumed that the caller freeds the \`\`struct
1136 extern void gdbarch_free (struct gdbarch *);
1139 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1140 obstack. The memory is freed when the corresponding architecture
1143 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1144 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1145 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1148 /* Helper function. Force an update of the current architecture.
1150 The actual architecture selected is determined by INFO, \`\`(gdb) set
1151 architecture'' et.al., the existing architecture and BFD's default
1152 architecture. INFO should be initialized to zero and then selected
1153 fields should be updated.
1155 Returns non-zero if the update succeeds */
1157 extern int gdbarch_update_p (struct gdbarch_info info);
1160 /* Helper function. Find an architecture matching info.
1162 INFO should be initialized using gdbarch_info_init, relevant fields
1163 set, and then finished using gdbarch_info_fill.
1165 Returns the corresponding architecture, or NULL if no matching
1166 architecture was found. "current_gdbarch" is not updated. */
1168 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1171 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1173 FIXME: kettenis/20031124: Of the functions that follow, only
1174 gdbarch_from_bfd is supposed to survive. The others will
1175 dissappear since in the future GDB will (hopefully) be truly
1176 multi-arch. However, for now we're still stuck with the concept of
1177 a single active architecture. */
1179 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1182 /* Register per-architecture data-pointer.
1184 Reserve space for a per-architecture data-pointer. An identifier
1185 for the reserved data-pointer is returned. That identifer should
1186 be saved in a local static variable.
1188 Memory for the per-architecture data shall be allocated using
1189 gdbarch_obstack_zalloc. That memory will be deleted when the
1190 corresponding architecture object is deleted.
1192 When a previously created architecture is re-selected, the
1193 per-architecture data-pointer for that previous architecture is
1194 restored. INIT() is not re-called.
1196 Multiple registrarants for any architecture are allowed (and
1197 strongly encouraged). */
1199 struct gdbarch_data;
1201 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
1202 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
1203 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
1204 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
1205 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1206 struct gdbarch_data *data,
1209 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1213 /* Register per-architecture memory region.
1215 Provide a memory-region swap mechanism. Per-architecture memory
1216 region are created. These memory regions are swapped whenever the
1217 architecture is changed. For a new architecture, the memory region
1218 is initialized with zero (0) and the INIT function is called.
1220 Memory regions are swapped / initialized in the order that they are
1221 registered. NULL DATA and/or INIT values can be specified.
1223 New code should use gdbarch_data_register_*(). */
1225 typedef void (gdbarch_swap_ftype) (void);
1226 extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1227 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1231 /* Set the dynamic target-system-dependent parameters (architecture,
1232 byte-order, ...) using information found in the BFD */
1234 extern void set_gdbarch_from_file (bfd *);
1237 /* Initialize the current architecture to the "first" one we find on
1240 extern void initialize_current_architecture (void);
1242 /* gdbarch trace variable */
1243 extern int gdbarch_debug;
1245 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1250 #../move-if-change new-gdbarch.h gdbarch.h
1251 compare_new gdbarch.h
1258 exec > new-gdbarch.c
1263 #include "arch-utils.h"
1266 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1269 #include "floatformat.h"
1271 #include "gdb_assert.h"
1272 #include "gdb_string.h"
1273 #include "gdb-events.h"
1274 #include "reggroups.h"
1276 #include "gdb_obstack.h"
1278 /* Static function declarations */
1280 static void alloc_gdbarch_data (struct gdbarch *);
1282 /* Non-zero if we want to trace architecture code. */
1284 #ifndef GDBARCH_DEBUG
1285 #define GDBARCH_DEBUG 0
1287 int gdbarch_debug = GDBARCH_DEBUG;
1291 # gdbarch open the gdbarch object
1293 printf "/* Maintain the struct gdbarch object */\n"
1295 printf "struct gdbarch\n"
1297 printf " /* Has this architecture been fully initialized? */\n"
1298 printf " int initialized_p;\n"
1300 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1301 printf " struct obstack *obstack;\n"
1303 printf " /* basic architectural information */\n"
1304 function_list |
while do_read
1308 printf " ${returntype} ${function};\n"
1312 printf " /* target specific vector. */\n"
1313 printf " struct gdbarch_tdep *tdep;\n"
1314 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1316 printf " /* per-architecture data-pointers */\n"
1317 printf " unsigned nr_data;\n"
1318 printf " void **data;\n"
1320 printf " /* per-architecture swap-regions */\n"
1321 printf " struct gdbarch_swap *swap;\n"
1324 /* Multi-arch values.
1326 When extending this structure you must:
1328 Add the field below.
1330 Declare set/get functions and define the corresponding
1333 gdbarch_alloc(): If zero/NULL is not a suitable default,
1334 initialize the new field.
1336 verify_gdbarch(): Confirm that the target updated the field
1339 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1342 \`\`startup_gdbarch()'': Append an initial value to the static
1343 variable (base values on the host's c-type system).
1345 get_gdbarch(): Implement the set/get functions (probably using
1346 the macro's as shortcuts).
1351 function_list |
while do_read
1353 if class_is_variable_p
1355 printf " ${returntype} ${function};\n"
1356 elif class_is_function_p
1358 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1363 # A pre-initialized vector
1367 /* The default architecture uses host values (for want of a better
1371 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1373 printf "struct gdbarch startup_gdbarch =\n"
1375 printf " 1, /* Always initialized. */\n"
1376 printf " NULL, /* The obstack. */\n"
1377 printf " /* basic architecture information */\n"
1378 function_list |
while do_read
1382 printf " ${staticdefault}, /* ${function} */\n"
1386 /* target specific vector and its dump routine */
1388 /*per-architecture data-pointers and swap regions */
1390 /* Multi-arch values */
1392 function_list |
while do_read
1394 if class_is_function_p || class_is_variable_p
1396 printf " ${staticdefault}, /* ${function} */\n"
1400 /* startup_gdbarch() */
1403 struct gdbarch *current_gdbarch = &startup_gdbarch;
1406 # Create a new gdbarch struct
1409 /* Create a new \`\`struct gdbarch'' based on information provided by
1410 \`\`struct gdbarch_info''. */
1415 gdbarch_alloc (const struct gdbarch_info *info,
1416 struct gdbarch_tdep *tdep)
1418 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1419 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1420 the current local architecture and not the previous global
1421 architecture. This ensures that the new architectures initial
1422 values are not influenced by the previous architecture. Once
1423 everything is parameterised with gdbarch, this will go away. */
1424 struct gdbarch *current_gdbarch;
1426 /* Create an obstack for allocating all the per-architecture memory,
1427 then use that to allocate the architecture vector. */
1428 struct obstack *obstack = XMALLOC (struct obstack);
1429 obstack_init (obstack);
1430 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1431 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1432 current_gdbarch->obstack = obstack;
1434 alloc_gdbarch_data (current_gdbarch);
1436 current_gdbarch->tdep = tdep;
1439 function_list |
while do_read
1443 printf " current_gdbarch->${function} = info->${function};\n"
1447 printf " /* Force the explicit initialization of these. */\n"
1448 function_list |
while do_read
1450 if class_is_function_p || class_is_variable_p
1452 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1454 printf " current_gdbarch->${function} = ${predefault};\n"
1459 /* gdbarch_alloc() */
1461 return current_gdbarch;
1465 # Free a gdbarch struct.
1469 /* Allocate extra space using the per-architecture obstack. */
1472 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1474 void *data = obstack_alloc (arch->obstack, size);
1475 memset (data, 0, size);
1480 /* Free a gdbarch struct. This should never happen in normal
1481 operation --- once you've created a gdbarch, you keep it around.
1482 However, if an architecture's init function encounters an error
1483 building the structure, it may need to clean up a partially
1484 constructed gdbarch. */
1487 gdbarch_free (struct gdbarch *arch)
1489 struct obstack *obstack;
1490 gdb_assert (arch != NULL);
1491 gdb_assert (!arch->initialized_p);
1492 obstack = arch->obstack;
1493 obstack_free (obstack, 0); /* Includes the ARCH. */
1498 # verify a new architecture
1502 /* Ensure that all values in a GDBARCH are reasonable. */
1504 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1505 just happens to match the global variable \`\`current_gdbarch''. That
1506 way macros refering to that variable get the local and not the global
1507 version - ulgh. Once everything is parameterised with gdbarch, this
1511 verify_gdbarch (struct gdbarch *current_gdbarch)
1513 struct ui_file *log;
1514 struct cleanup *cleanups;
1517 log = mem_fileopen ();
1518 cleanups = make_cleanup_ui_file_delete (log);
1520 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1521 fprintf_unfiltered (log, "\n\tbyte-order");
1522 if (current_gdbarch->bfd_arch_info == NULL)
1523 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1524 /* Check those that need to be defined for the given multi-arch level. */
1526 function_list |
while do_read
1528 if class_is_function_p || class_is_variable_p
1530 if [ "x${invalid_p}" = "x0" ]
1532 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1533 elif class_is_predicate_p
1535 printf " /* Skip verify of ${function}, has predicate */\n"
1536 # FIXME: See do_read for potential simplification
1537 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1539 printf " if (${invalid_p})\n"
1540 printf " current_gdbarch->${function} = ${postdefault};\n"
1541 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1543 printf " if (current_gdbarch->${function} == ${predefault})\n"
1544 printf " current_gdbarch->${function} = ${postdefault};\n"
1545 elif [ -n "${postdefault}" ]
1547 printf " if (current_gdbarch->${function} == 0)\n"
1548 printf " current_gdbarch->${function} = ${postdefault};\n"
1549 elif [ -n "${invalid_p}" ]
1551 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1552 printf " && (${invalid_p}))\n"
1553 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1554 elif [ -n "${predefault}" ]
1556 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1557 printf " && (current_gdbarch->${function} == ${predefault}))\n"
1558 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1563 buf = ui_file_xstrdup (log, &dummy);
1564 make_cleanup (xfree, buf);
1565 if (strlen (buf) > 0)
1566 internal_error (__FILE__, __LINE__,
1567 "verify_gdbarch: the following are invalid ...%s",
1569 do_cleanups (cleanups);
1573 # dump the structure
1577 /* Print out the details of the current architecture. */
1579 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1580 just happens to match the global variable \`\`current_gdbarch''. That
1581 way macros refering to that variable get the local and not the global
1582 version - ulgh. Once everything is parameterised with gdbarch, this
1586 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1588 fprintf_unfiltered (file,
1589 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1592 function_list |
sort -t: -k 3 |
while do_read
1594 # First the predicate
1595 if class_is_predicate_p
1597 if class_is_multiarch_p
1599 printf " fprintf_unfiltered (file,\n"
1600 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1601 printf " gdbarch_${function}_p (current_gdbarch));\n"
1603 printf "#ifdef ${macro}_P\n"
1604 printf " fprintf_unfiltered (file,\n"
1605 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1606 printf " \"${macro}_P()\",\n"
1607 printf " XSTRING (${macro}_P ()));\n"
1608 printf " fprintf_unfiltered (file,\n"
1609 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1610 printf " ${macro}_P ());\n"
1614 # multiarch functions don't have macros.
1615 if class_is_multiarch_p
1617 printf " fprintf_unfiltered (file,\n"
1618 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1619 printf " (long) current_gdbarch->${function});\n"
1622 # Print the macro definition.
1623 printf "#ifdef ${macro}\n"
1624 if class_is_function_p
1626 printf " fprintf_unfiltered (file,\n"
1627 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1628 printf " \"${macro}(${actual})\",\n"
1629 printf " XSTRING (${macro} (${actual})));\n"
1631 printf " fprintf_unfiltered (file,\n"
1632 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1633 printf " XSTRING (${macro}));\n"
1635 if [ "x${print_p}" = "x()" ]
1637 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1638 elif [ "x${print_p}" = "x0" ]
1640 printf " /* skip print of ${macro}, print_p == 0. */\n"
1641 elif [ -n "${print_p}" ]
1643 printf " if (${print_p})\n"
1644 printf " fprintf_unfiltered (file,\n"
1645 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1646 printf " ${print});\n"
1647 elif class_is_function_p
1649 printf " fprintf_unfiltered (file,\n"
1650 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1651 printf " (long) current_gdbarch->${function}\n"
1652 printf " /*${macro} ()*/);\n"
1654 printf " fprintf_unfiltered (file,\n"
1655 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1656 printf " ${print});\n"
1661 if (current_gdbarch->dump_tdep != NULL)
1662 current_gdbarch->dump_tdep (current_gdbarch, file);
1670 struct gdbarch_tdep *
1671 gdbarch_tdep (struct gdbarch *gdbarch)
1673 if (gdbarch_debug >= 2)
1674 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1675 return gdbarch->tdep;
1679 function_list |
while do_read
1681 if class_is_predicate_p
1685 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1687 printf " gdb_assert (gdbarch != NULL);\n"
1688 printf " return ${predicate};\n"
1691 if class_is_function_p
1694 printf "${returntype}\n"
1695 if [ "x${formal}" = "xvoid" ]
1697 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1699 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1702 printf " gdb_assert (gdbarch != NULL);\n"
1703 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1704 if class_is_predicate_p
&& test -n "${predefault}"
1706 # Allow a call to a function with a predicate.
1707 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1709 printf " if (gdbarch_debug >= 2)\n"
1710 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1711 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1713 if class_is_multiarch_p
1720 if class_is_multiarch_p
1722 params
="gdbarch, ${actual}"
1727 if [ "x${returntype}" = "xvoid" ]
1729 printf " gdbarch->${function} (${params});\n"
1731 printf " return gdbarch->${function} (${params});\n"
1736 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1737 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1739 printf " gdbarch->${function} = ${function};\n"
1741 elif class_is_variable_p
1744 printf "${returntype}\n"
1745 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1747 printf " gdb_assert (gdbarch != NULL);\n"
1748 if [ "x${invalid_p}" = "x0" ]
1750 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1751 elif [ -n "${invalid_p}" ]
1753 printf " /* Check variable is valid. */\n"
1754 printf " gdb_assert (!(${invalid_p}));\n"
1755 elif [ -n "${predefault}" ]
1757 printf " /* Check variable changed from pre-default. */\n"
1758 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1760 printf " if (gdbarch_debug >= 2)\n"
1761 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1762 printf " return gdbarch->${function};\n"
1766 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1767 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1769 printf " gdbarch->${function} = ${function};\n"
1771 elif class_is_info_p
1774 printf "${returntype}\n"
1775 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1777 printf " gdb_assert (gdbarch != NULL);\n"
1778 printf " if (gdbarch_debug >= 2)\n"
1779 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1780 printf " return gdbarch->${function};\n"
1785 # All the trailing guff
1789 /* Keep a registry of per-architecture data-pointers required by GDB
1796 gdbarch_data_pre_init_ftype *pre_init;
1797 gdbarch_data_post_init_ftype *post_init;
1800 struct gdbarch_data_registration
1802 struct gdbarch_data *data;
1803 struct gdbarch_data_registration *next;
1806 struct gdbarch_data_registry
1809 struct gdbarch_data_registration *registrations;
1812 struct gdbarch_data_registry gdbarch_data_registry =
1817 static struct gdbarch_data *
1818 gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init,
1819 gdbarch_data_post_init_ftype *post_init)
1821 struct gdbarch_data_registration **curr;
1822 /* Append the new registraration. */
1823 for (curr = &gdbarch_data_registry.registrations;
1825 curr = &(*curr)->next);
1826 (*curr) = XMALLOC (struct gdbarch_data_registration);
1827 (*curr)->next = NULL;
1828 (*curr)->data = XMALLOC (struct gdbarch_data);
1829 (*curr)->data->index = gdbarch_data_registry.nr++;
1830 (*curr)->data->pre_init = pre_init;
1831 (*curr)->data->post_init = post_init;
1832 (*curr)->data->init_p = 1;
1833 return (*curr)->data;
1836 struct gdbarch_data *
1837 gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init)
1839 return gdbarch_data_register (pre_init, NULL);
1842 struct gdbarch_data *
1843 gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init)
1845 return gdbarch_data_register (NULL, post_init);
1848 /* Create/delete the gdbarch data vector. */
1851 alloc_gdbarch_data (struct gdbarch *gdbarch)
1853 gdb_assert (gdbarch->data == NULL);
1854 gdbarch->nr_data = gdbarch_data_registry.nr;
1855 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1858 /* Initialize the current value of the specified per-architecture
1862 deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1863 struct gdbarch_data *data,
1866 gdb_assert (data->index < gdbarch->nr_data);
1867 gdb_assert (gdbarch->data[data->index] == NULL);
1868 gdb_assert (data->pre_init == 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 if (gdbarch->data[data->index] == NULL)
1881 /* The data-pointer isn't initialized, call init() to get a
1883 if (data->pre_init != NULL)
1884 /* Mid architecture creation: pass just the obstack, and not
1885 the entire architecture, as that way it isn't possible for
1886 pre-init code to refer to undefined architecture
1888 gdbarch->data[data->index] = data->pre_init (gdbarch->obstack);
1889 else if (gdbarch->initialized_p
1890 && data->post_init != NULL)
1891 /* Post architecture creation: pass the entire architecture
1892 (as all fields are valid), but be careful to also detect
1893 recursive references. */
1895 gdb_assert (data->init_p);
1897 gdbarch->data[data->index] = data->post_init (gdbarch);
1901 /* The architecture initialization hasn't completed - punt -
1902 hope that the caller knows what they are doing. Once
1903 deprecated_set_gdbarch_data has been initialized, this can be
1904 changed to an internal error. */
1906 gdb_assert (gdbarch->data[data->index] != NULL);
1908 return gdbarch->data[data->index];
1913 /* Keep a registry of swapped data required by GDB modules. */
1918 struct gdbarch_swap_registration *source;
1919 struct gdbarch_swap *next;
1922 struct gdbarch_swap_registration
1925 unsigned long sizeof_data;
1926 gdbarch_swap_ftype *init;
1927 struct gdbarch_swap_registration *next;
1930 struct gdbarch_swap_registry
1933 struct gdbarch_swap_registration *registrations;
1936 struct gdbarch_swap_registry gdbarch_swap_registry =
1942 deprecated_register_gdbarch_swap (void *data,
1943 unsigned long sizeof_data,
1944 gdbarch_swap_ftype *init)
1946 struct gdbarch_swap_registration **rego;
1947 for (rego = &gdbarch_swap_registry.registrations;
1949 rego = &(*rego)->next);
1950 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1951 (*rego)->next = NULL;
1952 (*rego)->init = init;
1953 (*rego)->data = data;
1954 (*rego)->sizeof_data = sizeof_data;
1958 current_gdbarch_swap_init_hack (void)
1960 struct gdbarch_swap_registration *rego;
1961 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1962 for (rego = gdbarch_swap_registry.registrations;
1966 if (rego->data != NULL)
1968 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1969 struct gdbarch_swap);
1970 (*curr)->source = rego;
1971 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1973 (*curr)->next = NULL;
1974 curr = &(*curr)->next;
1976 if (rego->init != NULL)
1981 static struct gdbarch *
1982 current_gdbarch_swap_out_hack (void)
1984 struct gdbarch *old_gdbarch = current_gdbarch;
1985 struct gdbarch_swap *curr;
1987 gdb_assert (old_gdbarch != NULL);
1988 for (curr = old_gdbarch->swap;
1992 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1993 memset (curr->source->data, 0, curr->source->sizeof_data);
1995 current_gdbarch = NULL;
2000 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
2002 struct gdbarch_swap *curr;
2004 gdb_assert (current_gdbarch == NULL);
2005 for (curr = new_gdbarch->swap;
2008 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2009 current_gdbarch = new_gdbarch;
2013 /* Keep a registry of the architectures known by GDB. */
2015 struct gdbarch_registration
2017 enum bfd_architecture bfd_architecture;
2018 gdbarch_init_ftype *init;
2019 gdbarch_dump_tdep_ftype *dump_tdep;
2020 struct gdbarch_list *arches;
2021 struct gdbarch_registration *next;
2024 static struct gdbarch_registration *gdbarch_registry = NULL;
2027 append_name (const char ***buf, int *nr, const char *name)
2029 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2035 gdbarch_printable_names (void)
2037 /* Accumulate a list of names based on the registed list of
2039 enum bfd_architecture a;
2041 const char **arches = NULL;
2042 struct gdbarch_registration *rego;
2043 for (rego = gdbarch_registry;
2047 const struct bfd_arch_info *ap;
2048 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2050 internal_error (__FILE__, __LINE__,
2051 "gdbarch_architecture_names: multi-arch unknown");
2054 append_name (&arches, &nr_arches, ap->printable_name);
2059 append_name (&arches, &nr_arches, NULL);
2065 gdbarch_register (enum bfd_architecture bfd_architecture,
2066 gdbarch_init_ftype *init,
2067 gdbarch_dump_tdep_ftype *dump_tdep)
2069 struct gdbarch_registration **curr;
2070 const struct bfd_arch_info *bfd_arch_info;
2071 /* Check that BFD recognizes this architecture */
2072 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2073 if (bfd_arch_info == NULL)
2075 internal_error (__FILE__, __LINE__,
2076 "gdbarch: Attempt to register unknown architecture (%d)",
2079 /* Check that we haven't seen this architecture before */
2080 for (curr = &gdbarch_registry;
2082 curr = &(*curr)->next)
2084 if (bfd_architecture == (*curr)->bfd_architecture)
2085 internal_error (__FILE__, __LINE__,
2086 "gdbarch: Duplicate registraration of architecture (%s)",
2087 bfd_arch_info->printable_name);
2091 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2092 bfd_arch_info->printable_name,
2095 (*curr) = XMALLOC (struct gdbarch_registration);
2096 (*curr)->bfd_architecture = bfd_architecture;
2097 (*curr)->init = init;
2098 (*curr)->dump_tdep = dump_tdep;
2099 (*curr)->arches = NULL;
2100 (*curr)->next = NULL;
2104 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2105 gdbarch_init_ftype *init)
2107 gdbarch_register (bfd_architecture, init, NULL);
2111 /* Look for an architecture using gdbarch_info. Base search on only
2112 BFD_ARCH_INFO and BYTE_ORDER. */
2114 struct gdbarch_list *
2115 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2116 const struct gdbarch_info *info)
2118 for (; arches != NULL; arches = arches->next)
2120 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2122 if (info->byte_order != arches->gdbarch->byte_order)
2124 if (info->osabi != arches->gdbarch->osabi)
2132 /* Find an architecture that matches the specified INFO. Create a new
2133 architecture if needed. Return that new architecture. Assumes
2134 that there is no current architecture. */
2136 static struct gdbarch *
2137 find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
2139 struct gdbarch *new_gdbarch;
2140 struct gdbarch_registration *rego;
2142 /* The existing architecture has been swapped out - all this code
2143 works from a clean slate. */
2144 gdb_assert (current_gdbarch == NULL);
2146 /* Fill in missing parts of the INFO struct using a number of
2147 sources: "set ..."; INFOabfd supplied; and the existing
2149 gdbarch_info_fill (old_gdbarch, &info);
2151 /* Must have found some sort of architecture. */
2152 gdb_assert (info.bfd_arch_info != NULL);
2156 fprintf_unfiltered (gdb_stdlog,
2157 "find_arch_by_info: info.bfd_arch_info %s\n",
2158 (info.bfd_arch_info != NULL
2159 ? info.bfd_arch_info->printable_name
2161 fprintf_unfiltered (gdb_stdlog,
2162 "find_arch_by_info: info.byte_order %d (%s)\n",
2164 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2165 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2167 fprintf_unfiltered (gdb_stdlog,
2168 "find_arch_by_info: info.osabi %d (%s)\n",
2169 info.osabi, gdbarch_osabi_name (info.osabi));
2170 fprintf_unfiltered (gdb_stdlog,
2171 "find_arch_by_info: info.abfd 0x%lx\n",
2173 fprintf_unfiltered (gdb_stdlog,
2174 "find_arch_by_info: info.tdep_info 0x%lx\n",
2175 (long) info.tdep_info);
2178 /* Find the tdep code that knows about this architecture. */
2179 for (rego = gdbarch_registry;
2182 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2187 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2188 "No matching architecture\n");
2192 /* Ask the tdep code for an architecture that matches "info". */
2193 new_gdbarch = rego->init (info, rego->arches);
2195 /* Did the tdep code like it? No. Reject the change and revert to
2196 the old architecture. */
2197 if (new_gdbarch == NULL)
2200 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2201 "Target rejected architecture\n");
2205 /* Is this a pre-existing architecture (as determined by already
2206 being initialized)? Move it to the front of the architecture
2207 list (keeping the list sorted Most Recently Used). */
2208 if (new_gdbarch->initialized_p)
2210 struct gdbarch_list **list;
2211 struct gdbarch_list *this;
2213 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2214 "Previous architecture 0x%08lx (%s) selected\n",
2216 new_gdbarch->bfd_arch_info->printable_name);
2217 /* Find the existing arch in the list. */
2218 for (list = ®o->arches;
2219 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2220 list = &(*list)->next);
2221 /* It had better be in the list of architectures. */
2222 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2225 (*list) = this->next;
2226 /* Insert THIS at the front. */
2227 this->next = rego->arches;
2228 rego->arches = this;
2233 /* It's a new architecture. */
2235 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2236 "New architecture 0x%08lx (%s) selected\n",
2238 new_gdbarch->bfd_arch_info->printable_name);
2240 /* Insert the new architecture into the front of the architecture
2241 list (keep the list sorted Most Recently Used). */
2243 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2244 this->next = rego->arches;
2245 this->gdbarch = new_gdbarch;
2246 rego->arches = this;
2249 /* Check that the newly installed architecture is valid. Plug in
2250 any post init values. */
2251 new_gdbarch->dump_tdep = rego->dump_tdep;
2252 verify_gdbarch (new_gdbarch);
2253 new_gdbarch->initialized_p = 1;
2255 /* Initialize any per-architecture swap areas. This phase requires
2256 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2257 swap the entire architecture out. */
2258 current_gdbarch = new_gdbarch;
2259 current_gdbarch_swap_init_hack ();
2260 current_gdbarch_swap_out_hack ();
2263 gdbarch_dump (new_gdbarch, gdb_stdlog);
2269 gdbarch_find_by_info (struct gdbarch_info info)
2271 /* Save the previously selected architecture, setting the global to
2272 NULL. This stops things like gdbarch->init() trying to use the
2273 previous architecture's configuration. The previous architecture
2274 may not even be of the same architecture family. The most recent
2275 architecture of the same family is found at the head of the
2276 rego->arches list. */
2277 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2279 /* Find the specified architecture. */
2280 struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
2282 /* Restore the existing architecture. */
2283 gdb_assert (current_gdbarch == NULL);
2284 current_gdbarch_swap_in_hack (old_gdbarch);
2289 /* Make the specified architecture current, swapping the existing one
2293 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2295 gdb_assert (new_gdbarch != NULL);
2296 gdb_assert (current_gdbarch != NULL);
2297 gdb_assert (new_gdbarch->initialized_p);
2298 current_gdbarch_swap_out_hack ();
2299 current_gdbarch_swap_in_hack (new_gdbarch);
2300 architecture_changed_event ();
2303 extern void _initialize_gdbarch (void);
2306 _initialize_gdbarch (void)
2308 struct cmd_list_element *c;
2310 add_show_from_set (add_set_cmd ("arch",
2313 (char *)&gdbarch_debug,
2314 "Set architecture debugging.\\n\\
2315 When non-zero, architecture debugging is enabled.", &setdebuglist),
2317 c = add_set_cmd ("archdebug",
2320 (char *)&gdbarch_debug,
2321 "Set architecture debugging.\\n\\
2322 When non-zero, architecture debugging is enabled.", &setlist);
2324 deprecate_cmd (c, "set debug arch");
2325 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2331 #../move-if-change new-gdbarch.c gdbarch.c
2332 compare_new gdbarch.c