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::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 # Sigtramp is a routine that the kernel calls (which then calls the
727 # signal handler). On most machines it is a library routine that is
728 # linked into the executable.
730 # This macro, given a program counter value and the name of the
731 # function in which that PC resides (which can be null if the name is
732 # not known), returns nonzero if the PC and name show that we are in
735 # On most machines just see if the name is sigtramp (and if we have
736 # no name, assume we are not in sigtramp).
738 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
739 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
740 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
741 # own local NAME lookup.
743 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
744 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
746 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
747 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
748 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
749 # A target might have problems with watchpoints as soon as the stack
750 # frame of the current function has been destroyed. This mostly happens
751 # as the first action in a funtion's epilogue. in_function_epilogue_p()
752 # is defined to return a non-zero value if either the given addr is one
753 # instruction after the stack destroying instruction up to the trailing
754 # return instruction or if we can figure out that the stack frame has
755 # already been invalidated regardless of the value of addr. Targets
756 # which don't suffer from that problem could just let this functionality
758 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
759 # Given a vector of command-line arguments, return a newly allocated
760 # string which, when passed to the create_inferior function, will be
761 # parsed (on Unix systems, by the shell) to yield the same vector.
762 # This function should call error() if the argument vector is not
763 # representable for this target or if this target does not support
764 # command-line arguments.
765 # ARGC is the number of elements in the vector.
766 # ARGV is an array of strings, one per argument.
767 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
768 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
769 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
770 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
771 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
772 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
773 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
774 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
775 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
776 # Is a register in a group
777 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
778 # Fetch the pointer to the ith function argument.
779 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
781 # Return the appropriate register set for a core file section with
782 # name SECT_NAME and size SECT_SIZE.
783 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
790 exec > new-gdbarch.log
791 function_list |
while do_read
794 ${class} ${macro}(${actual})
795 ${returntype} ${function} ($formal)${attrib}
799 eval echo \"\ \ \ \
${r}=\
${${r}}\"
801 if class_is_predicate_p
&& fallback_default_p
803 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
807 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
809 echo "Error: postdefault is useless when invalid_p=0" 1>&2
813 if class_is_multiarch_p
815 if class_is_predicate_p
; then :
816 elif test "x${predefault}" = "x"
818 echo "Error: pure multi-arch function must have a predefault" 1>&2
827 compare_new gdbarch.log
833 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
835 /* Dynamic architecture support for GDB, the GNU debugger.
837 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
838 Software Foundation, Inc.
840 This file is part of GDB.
842 This program is free software; you can redistribute it and/or modify
843 it under the terms of the GNU General Public License as published by
844 the Free Software Foundation; either version 2 of the License, or
845 (at your option) any later version.
847 This program is distributed in the hope that it will be useful,
848 but WITHOUT ANY WARRANTY; without even the implied warranty of
849 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
850 GNU General Public License for more details.
852 You should have received a copy of the GNU General Public License
853 along with this program; if not, write to the Free Software
854 Foundation, Inc., 59 Temple Place - Suite 330,
855 Boston, MA 02111-1307, USA. */
857 /* This file was created with the aid of \`\`gdbarch.sh''.
859 The Bourne shell script \`\`gdbarch.sh'' creates the files
860 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
861 against the existing \`\`gdbarch.[hc]''. Any differences found
864 If editing this file, please also run gdbarch.sh and merge any
865 changes into that script. Conversely, when making sweeping changes
866 to this file, modifying gdbarch.sh and using its output may prove
887 struct minimal_symbol;
891 struct disassemble_info;
894 extern struct gdbarch *current_gdbarch;
897 /* If any of the following are defined, the target wasn't correctly
900 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
901 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
908 printf "/* The following are pre-initialized by GDBARCH. */\n"
909 function_list |
while do_read
914 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
915 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
916 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
917 printf "#error \"Non multi-arch definition of ${macro}\"\n"
919 printf "#if !defined (${macro})\n"
920 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
928 printf "/* The following are initialized by the target dependent code. */\n"
929 function_list |
while do_read
931 if [ -n "${comment}" ]
933 echo "${comment}" |
sed \
938 if class_is_multiarch_p
940 if class_is_predicate_p
943 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
946 if class_is_predicate_p
949 printf "#if defined (${macro})\n"
950 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
951 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
952 printf "#if !defined (${macro}_P)\n"
953 printf "#define ${macro}_P() (1)\n"
957 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
958 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
959 printf "#error \"Non multi-arch definition of ${macro}\"\n"
961 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
962 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
966 if class_is_variable_p
969 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
970 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
971 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
972 printf "#error \"Non multi-arch definition of ${macro}\"\n"
974 printf "#if !defined (${macro})\n"
975 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
978 if class_is_function_p
981 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
983 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
984 elif class_is_multiarch_p
986 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
988 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
990 if [ "x${formal}" = "xvoid" ]
992 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
994 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
996 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
997 if class_is_multiarch_p
; then :
999 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
1000 printf "#error \"Non multi-arch definition of ${macro}\"\n"
1002 if [ "x${actual}" = "x" ]
1004 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
1005 elif [ "x${actual}" = "x-" ]
1007 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
1009 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
1011 printf "#if !defined (${macro})\n"
1012 if [ "x${actual}" = "x" ]
1014 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
1015 elif [ "x${actual}" = "x-" ]
1017 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1019 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1029 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1032 /* Mechanism for co-ordinating the selection of a specific
1035 GDB targets (*-tdep.c) can register an interest in a specific
1036 architecture. Other GDB components can register a need to maintain
1037 per-architecture data.
1039 The mechanisms below ensures that there is only a loose connection
1040 between the set-architecture command and the various GDB
1041 components. Each component can independently register their need
1042 to maintain architecture specific data with gdbarch.
1046 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1049 The more traditional mega-struct containing architecture specific
1050 data for all the various GDB components was also considered. Since
1051 GDB is built from a variable number of (fairly independent)
1052 components it was determined that the global aproach was not
1056 /* Register a new architectural family with GDB.
1058 Register support for the specified ARCHITECTURE with GDB. When
1059 gdbarch determines that the specified architecture has been
1060 selected, the corresponding INIT function is called.
1064 The INIT function takes two parameters: INFO which contains the
1065 information available to gdbarch about the (possibly new)
1066 architecture; ARCHES which is a list of the previously created
1067 \`\`struct gdbarch'' for this architecture.
1069 The INFO parameter is, as far as possible, be pre-initialized with
1070 information obtained from INFO.ABFD or the previously selected
1073 The ARCHES parameter is a linked list (sorted most recently used)
1074 of all the previously created architures for this architecture
1075 family. The (possibly NULL) ARCHES->gdbarch can used to access
1076 values from the previously selected architecture for this
1077 architecture family. The global \`\`current_gdbarch'' shall not be
1080 The INIT function shall return any of: NULL - indicating that it
1081 doesn't recognize the selected architecture; an existing \`\`struct
1082 gdbarch'' from the ARCHES list - indicating that the new
1083 architecture is just a synonym for an earlier architecture (see
1084 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1085 - that describes the selected architecture (see gdbarch_alloc()).
1087 The DUMP_TDEP function shall print out all target specific values.
1088 Care should be taken to ensure that the function works in both the
1089 multi-arch and non- multi-arch cases. */
1093 struct gdbarch *gdbarch;
1094 struct gdbarch_list *next;
1099 /* Use default: NULL (ZERO). */
1100 const struct bfd_arch_info *bfd_arch_info;
1102 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1105 /* Use default: NULL (ZERO). */
1108 /* Use default: NULL (ZERO). */
1109 struct gdbarch_tdep_info *tdep_info;
1111 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1112 enum gdb_osabi osabi;
1115 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1116 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1118 /* DEPRECATED - use gdbarch_register() */
1119 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1121 extern void gdbarch_register (enum bfd_architecture architecture,
1122 gdbarch_init_ftype *,
1123 gdbarch_dump_tdep_ftype *);
1126 /* Return a freshly allocated, NULL terminated, array of the valid
1127 architecture names. Since architectures are registered during the
1128 _initialize phase this function only returns useful information
1129 once initialization has been completed. */
1131 extern const char **gdbarch_printable_names (void);
1134 /* Helper function. Search the list of ARCHES for a GDBARCH that
1135 matches the information provided by INFO. */
1137 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1140 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1141 basic initialization using values obtained from the INFO andTDEP
1142 parameters. set_gdbarch_*() functions are called to complete the
1143 initialization of the object. */
1145 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1148 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1149 It is assumed that the caller freeds the \`\`struct
1152 extern void gdbarch_free (struct gdbarch *);
1155 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1156 obstack. The memory is freed when the corresponding architecture
1159 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1160 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1161 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1164 /* Helper function. Force an update of the current architecture.
1166 The actual architecture selected is determined by INFO, \`\`(gdb) set
1167 architecture'' et.al., the existing architecture and BFD's default
1168 architecture. INFO should be initialized to zero and then selected
1169 fields should be updated.
1171 Returns non-zero if the update succeeds */
1173 extern int gdbarch_update_p (struct gdbarch_info info);
1176 /* Helper function. Find an architecture matching info.
1178 INFO should be initialized using gdbarch_info_init, relevant fields
1179 set, and then finished using gdbarch_info_fill.
1181 Returns the corresponding architecture, or NULL if no matching
1182 architecture was found. "current_gdbarch" is not updated. */
1184 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1187 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1189 FIXME: kettenis/20031124: Of the functions that follow, only
1190 gdbarch_from_bfd is supposed to survive. The others will
1191 dissappear since in the future GDB will (hopefully) be truly
1192 multi-arch. However, for now we're still stuck with the concept of
1193 a single active architecture. */
1195 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1198 /* Register per-architecture data-pointer.
1200 Reserve space for a per-architecture data-pointer. An identifier
1201 for the reserved data-pointer is returned. That identifer should
1202 be saved in a local static variable.
1204 The per-architecture data-pointer is either initialized explicitly
1205 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1208 Memory for the per-architecture data shall be allocated using
1209 gdbarch_obstack_zalloc. That memory will be deleted when the
1210 corresponding architecture object is deleted.
1212 When a previously created architecture is re-selected, the
1213 per-architecture data-pointer for that previous architecture is
1214 restored. INIT() is not re-called.
1216 Multiple registrarants for any architecture are allowed (and
1217 strongly encouraged). */
1219 struct gdbarch_data;
1221 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1222 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1223 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1224 struct gdbarch_data *data,
1227 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1231 /* Register per-architecture memory region.
1233 Provide a memory-region swap mechanism. Per-architecture memory
1234 region are created. These memory regions are swapped whenever the
1235 architecture is changed. For a new architecture, the memory region
1236 is initialized with zero (0) and the INIT function is called.
1238 Memory regions are swapped / initialized in the order that they are
1239 registered. NULL DATA and/or INIT values can be specified.
1241 New code should use register_gdbarch_data(). */
1243 typedef void (gdbarch_swap_ftype) (void);
1244 extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1245 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1249 /* Set the dynamic target-system-dependent parameters (architecture,
1250 byte-order, ...) using information found in the BFD */
1252 extern void set_gdbarch_from_file (bfd *);
1255 /* Initialize the current architecture to the "first" one we find on
1258 extern void initialize_current_architecture (void);
1260 /* gdbarch trace variable */
1261 extern int gdbarch_debug;
1263 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1268 #../move-if-change new-gdbarch.h gdbarch.h
1269 compare_new gdbarch.h
1276 exec > new-gdbarch.c
1281 #include "arch-utils.h"
1284 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1287 #include "floatformat.h"
1289 #include "gdb_assert.h"
1290 #include "gdb_string.h"
1291 #include "gdb-events.h"
1292 #include "reggroups.h"
1294 #include "gdb_obstack.h"
1296 /* Static function declarations */
1298 static void alloc_gdbarch_data (struct gdbarch *);
1300 /* Non-zero if we want to trace architecture code. */
1302 #ifndef GDBARCH_DEBUG
1303 #define GDBARCH_DEBUG 0
1305 int gdbarch_debug = GDBARCH_DEBUG;
1309 # gdbarch open the gdbarch object
1311 printf "/* Maintain the struct gdbarch object */\n"
1313 printf "struct gdbarch\n"
1315 printf " /* Has this architecture been fully initialized? */\n"
1316 printf " int initialized_p;\n"
1318 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1319 printf " struct obstack *obstack;\n"
1321 printf " /* basic architectural information */\n"
1322 function_list |
while do_read
1326 printf " ${returntype} ${function};\n"
1330 printf " /* target specific vector. */\n"
1331 printf " struct gdbarch_tdep *tdep;\n"
1332 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1334 printf " /* per-architecture data-pointers */\n"
1335 printf " unsigned nr_data;\n"
1336 printf " void **data;\n"
1338 printf " /* per-architecture swap-regions */\n"
1339 printf " struct gdbarch_swap *swap;\n"
1342 /* Multi-arch values.
1344 When extending this structure you must:
1346 Add the field below.
1348 Declare set/get functions and define the corresponding
1351 gdbarch_alloc(): If zero/NULL is not a suitable default,
1352 initialize the new field.
1354 verify_gdbarch(): Confirm that the target updated the field
1357 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1360 \`\`startup_gdbarch()'': Append an initial value to the static
1361 variable (base values on the host's c-type system).
1363 get_gdbarch(): Implement the set/get functions (probably using
1364 the macro's as shortcuts).
1369 function_list |
while do_read
1371 if class_is_variable_p
1373 printf " ${returntype} ${function};\n"
1374 elif class_is_function_p
1376 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1381 # A pre-initialized vector
1385 /* The default architecture uses host values (for want of a better
1389 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1391 printf "struct gdbarch startup_gdbarch =\n"
1393 printf " 1, /* Always initialized. */\n"
1394 printf " NULL, /* The obstack. */\n"
1395 printf " /* basic architecture information */\n"
1396 function_list |
while do_read
1400 printf " ${staticdefault}, /* ${function} */\n"
1404 /* target specific vector and its dump routine */
1406 /*per-architecture data-pointers and swap regions */
1408 /* Multi-arch values */
1410 function_list |
while do_read
1412 if class_is_function_p || class_is_variable_p
1414 printf " ${staticdefault}, /* ${function} */\n"
1418 /* startup_gdbarch() */
1421 struct gdbarch *current_gdbarch = &startup_gdbarch;
1424 # Create a new gdbarch struct
1427 /* Create a new \`\`struct gdbarch'' based on information provided by
1428 \`\`struct gdbarch_info''. */
1433 gdbarch_alloc (const struct gdbarch_info *info,
1434 struct gdbarch_tdep *tdep)
1436 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1437 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1438 the current local architecture and not the previous global
1439 architecture. This ensures that the new architectures initial
1440 values are not influenced by the previous architecture. Once
1441 everything is parameterised with gdbarch, this will go away. */
1442 struct gdbarch *current_gdbarch;
1444 /* Create an obstack for allocating all the per-architecture memory,
1445 then use that to allocate the architecture vector. */
1446 struct obstack *obstack = XMALLOC (struct obstack);
1447 obstack_init (obstack);
1448 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1449 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1450 current_gdbarch->obstack = obstack;
1452 alloc_gdbarch_data (current_gdbarch);
1454 current_gdbarch->tdep = tdep;
1457 function_list |
while do_read
1461 printf " current_gdbarch->${function} = info->${function};\n"
1465 printf " /* Force the explicit initialization of these. */\n"
1466 function_list |
while do_read
1468 if class_is_function_p || class_is_variable_p
1470 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1472 printf " current_gdbarch->${function} = ${predefault};\n"
1477 /* gdbarch_alloc() */
1479 return current_gdbarch;
1483 # Free a gdbarch struct.
1487 /* Allocate extra space using the per-architecture obstack. */
1490 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1492 void *data = obstack_alloc (arch->obstack, size);
1493 memset (data, 0, size);
1498 /* Free a gdbarch struct. This should never happen in normal
1499 operation --- once you've created a gdbarch, you keep it around.
1500 However, if an architecture's init function encounters an error
1501 building the structure, it may need to clean up a partially
1502 constructed gdbarch. */
1505 gdbarch_free (struct gdbarch *arch)
1507 struct obstack *obstack;
1508 gdb_assert (arch != NULL);
1509 gdb_assert (!arch->initialized_p);
1510 obstack = arch->obstack;
1511 obstack_free (obstack, 0); /* Includes the ARCH. */
1516 # verify a new architecture
1520 /* Ensure that all values in a GDBARCH are reasonable. */
1522 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1523 just happens to match the global variable \`\`current_gdbarch''. That
1524 way macros refering to that variable get the local and not the global
1525 version - ulgh. Once everything is parameterised with gdbarch, this
1529 verify_gdbarch (struct gdbarch *current_gdbarch)
1531 struct ui_file *log;
1532 struct cleanup *cleanups;
1535 log = mem_fileopen ();
1536 cleanups = make_cleanup_ui_file_delete (log);
1538 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1539 fprintf_unfiltered (log, "\n\tbyte-order");
1540 if (current_gdbarch->bfd_arch_info == NULL)
1541 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1542 /* Check those that need to be defined for the given multi-arch level. */
1544 function_list |
while do_read
1546 if class_is_function_p || class_is_variable_p
1548 if [ "x${invalid_p}" = "x0" ]
1550 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1551 elif class_is_predicate_p
1553 printf " /* Skip verify of ${function}, has predicate */\n"
1554 # FIXME: See do_read for potential simplification
1555 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1557 printf " if (${invalid_p})\n"
1558 printf " current_gdbarch->${function} = ${postdefault};\n"
1559 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1561 printf " if (current_gdbarch->${function} == ${predefault})\n"
1562 printf " current_gdbarch->${function} = ${postdefault};\n"
1563 elif [ -n "${postdefault}" ]
1565 printf " if (current_gdbarch->${function} == 0)\n"
1566 printf " current_gdbarch->${function} = ${postdefault};\n"
1567 elif [ -n "${invalid_p}" ]
1569 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1570 printf " && (${invalid_p}))\n"
1571 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1572 elif [ -n "${predefault}" ]
1574 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1575 printf " && (current_gdbarch->${function} == ${predefault}))\n"
1576 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1581 buf = ui_file_xstrdup (log, &dummy);
1582 make_cleanup (xfree, buf);
1583 if (strlen (buf) > 0)
1584 internal_error (__FILE__, __LINE__,
1585 "verify_gdbarch: the following are invalid ...%s",
1587 do_cleanups (cleanups);
1591 # dump the structure
1595 /* Print out the details of the current architecture. */
1597 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1598 just happens to match the global variable \`\`current_gdbarch''. That
1599 way macros refering to that variable get the local and not the global
1600 version - ulgh. Once everything is parameterised with gdbarch, this
1604 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1606 fprintf_unfiltered (file,
1607 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1610 function_list |
sort -t: -k 3 |
while do_read
1612 # First the predicate
1613 if class_is_predicate_p
1615 if class_is_multiarch_p
1617 printf " fprintf_unfiltered (file,\n"
1618 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1619 printf " gdbarch_${function}_p (current_gdbarch));\n"
1621 printf "#ifdef ${macro}_P\n"
1622 printf " fprintf_unfiltered (file,\n"
1623 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1624 printf " \"${macro}_P()\",\n"
1625 printf " XSTRING (${macro}_P ()));\n"
1626 printf " fprintf_unfiltered (file,\n"
1627 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1628 printf " ${macro}_P ());\n"
1632 # multiarch functions don't have macros.
1633 if class_is_multiarch_p
1635 printf " fprintf_unfiltered (file,\n"
1636 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1637 printf " (long) current_gdbarch->${function});\n"
1640 # Print the macro definition.
1641 printf "#ifdef ${macro}\n"
1642 if class_is_function_p
1644 printf " fprintf_unfiltered (file,\n"
1645 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1646 printf " \"${macro}(${actual})\",\n"
1647 printf " XSTRING (${macro} (${actual})));\n"
1649 printf " fprintf_unfiltered (file,\n"
1650 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1651 printf " XSTRING (${macro}));\n"
1653 if [ "x${print_p}" = "x()" ]
1655 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1656 elif [ "x${print_p}" = "x0" ]
1658 printf " /* skip print of ${macro}, print_p == 0. */\n"
1659 elif [ -n "${print_p}" ]
1661 printf " if (${print_p})\n"
1662 printf " fprintf_unfiltered (file,\n"
1663 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1664 printf " ${print});\n"
1665 elif class_is_function_p
1667 printf " fprintf_unfiltered (file,\n"
1668 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1669 printf " (long) current_gdbarch->${function}\n"
1670 printf " /*${macro} ()*/);\n"
1672 printf " fprintf_unfiltered (file,\n"
1673 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1674 printf " ${print});\n"
1679 if (current_gdbarch->dump_tdep != NULL)
1680 current_gdbarch->dump_tdep (current_gdbarch, file);
1688 struct gdbarch_tdep *
1689 gdbarch_tdep (struct gdbarch *gdbarch)
1691 if (gdbarch_debug >= 2)
1692 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1693 return gdbarch->tdep;
1697 function_list |
while do_read
1699 if class_is_predicate_p
1703 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1705 printf " gdb_assert (gdbarch != NULL);\n"
1706 printf " return ${predicate};\n"
1709 if class_is_function_p
1712 printf "${returntype}\n"
1713 if [ "x${formal}" = "xvoid" ]
1715 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1717 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1720 printf " gdb_assert (gdbarch != NULL);\n"
1721 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1722 if class_is_predicate_p
&& test -n "${predefault}"
1724 # Allow a call to a function with a predicate.
1725 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1727 printf " if (gdbarch_debug >= 2)\n"
1728 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1729 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1731 if class_is_multiarch_p
1738 if class_is_multiarch_p
1740 params
="gdbarch, ${actual}"
1745 if [ "x${returntype}" = "xvoid" ]
1747 printf " gdbarch->${function} (${params});\n"
1749 printf " return gdbarch->${function} (${params});\n"
1754 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1755 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1757 printf " gdbarch->${function} = ${function};\n"
1759 elif class_is_variable_p
1762 printf "${returntype}\n"
1763 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1765 printf " gdb_assert (gdbarch != NULL);\n"
1766 if [ "x${invalid_p}" = "x0" ]
1768 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1769 elif [ -n "${invalid_p}" ]
1771 printf " /* Check variable is valid. */\n"
1772 printf " gdb_assert (!(${invalid_p}));\n"
1773 elif [ -n "${predefault}" ]
1775 printf " /* Check variable changed from pre-default. */\n"
1776 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1778 printf " if (gdbarch_debug >= 2)\n"
1779 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1780 printf " return gdbarch->${function};\n"
1784 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1785 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1787 printf " gdbarch->${function} = ${function};\n"
1789 elif class_is_info_p
1792 printf "${returntype}\n"
1793 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1795 printf " gdb_assert (gdbarch != NULL);\n"
1796 printf " if (gdbarch_debug >= 2)\n"
1797 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1798 printf " return gdbarch->${function};\n"
1803 # All the trailing guff
1807 /* Keep a registry of per-architecture data-pointers required by GDB
1814 gdbarch_data_init_ftype *init;
1817 struct gdbarch_data_registration
1819 struct gdbarch_data *data;
1820 struct gdbarch_data_registration *next;
1823 struct gdbarch_data_registry
1826 struct gdbarch_data_registration *registrations;
1829 struct gdbarch_data_registry gdbarch_data_registry =
1834 struct gdbarch_data *
1835 register_gdbarch_data (gdbarch_data_init_ftype *init)
1837 struct gdbarch_data_registration **curr;
1838 /* Append the new registraration. */
1839 for (curr = &gdbarch_data_registry.registrations;
1841 curr = &(*curr)->next);
1842 (*curr) = XMALLOC (struct gdbarch_data_registration);
1843 (*curr)->next = NULL;
1844 (*curr)->data = XMALLOC (struct gdbarch_data);
1845 (*curr)->data->index = gdbarch_data_registry.nr++;
1846 (*curr)->data->init = init;
1847 (*curr)->data->init_p = 1;
1848 return (*curr)->data;
1852 /* Create/delete the gdbarch data vector. */
1855 alloc_gdbarch_data (struct gdbarch *gdbarch)
1857 gdb_assert (gdbarch->data == NULL);
1858 gdbarch->nr_data = gdbarch_data_registry.nr;
1859 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1862 /* Initialize the current value of the specified per-architecture
1866 set_gdbarch_data (struct gdbarch *gdbarch,
1867 struct gdbarch_data *data,
1870 gdb_assert (data->index < gdbarch->nr_data);
1871 gdb_assert (gdbarch->data[data->index] == NULL);
1872 gdbarch->data[data->index] = pointer;
1875 /* Return the current value of the specified per-architecture
1879 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1881 gdb_assert (data->index < gdbarch->nr_data);
1882 /* The data-pointer isn't initialized, call init() to get a value but
1883 only if the architecture initializaiton has completed. Otherwise
1884 punt - hope that the caller knows what they are doing. */
1885 if (gdbarch->data[data->index] == NULL
1886 && gdbarch->initialized_p)
1888 /* Be careful to detect an initialization cycle. */
1889 gdb_assert (data->init_p);
1891 gdb_assert (data->init != NULL);
1892 gdbarch->data[data->index] = data->init (gdbarch);
1894 gdb_assert (gdbarch->data[data->index] != NULL);
1896 return gdbarch->data[data->index];
1901 /* Keep a registry of swapped data required by GDB modules. */
1906 struct gdbarch_swap_registration *source;
1907 struct gdbarch_swap *next;
1910 struct gdbarch_swap_registration
1913 unsigned long sizeof_data;
1914 gdbarch_swap_ftype *init;
1915 struct gdbarch_swap_registration *next;
1918 struct gdbarch_swap_registry
1921 struct gdbarch_swap_registration *registrations;
1924 struct gdbarch_swap_registry gdbarch_swap_registry =
1930 deprecated_register_gdbarch_swap (void *data,
1931 unsigned long sizeof_data,
1932 gdbarch_swap_ftype *init)
1934 struct gdbarch_swap_registration **rego;
1935 for (rego = &gdbarch_swap_registry.registrations;
1937 rego = &(*rego)->next);
1938 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1939 (*rego)->next = NULL;
1940 (*rego)->init = init;
1941 (*rego)->data = data;
1942 (*rego)->sizeof_data = sizeof_data;
1946 current_gdbarch_swap_init_hack (void)
1948 struct gdbarch_swap_registration *rego;
1949 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1950 for (rego = gdbarch_swap_registry.registrations;
1954 if (rego->data != NULL)
1956 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1957 struct gdbarch_swap);
1958 (*curr)->source = rego;
1959 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1961 (*curr)->next = NULL;
1962 curr = &(*curr)->next;
1964 if (rego->init != NULL)
1969 static struct gdbarch *
1970 current_gdbarch_swap_out_hack (void)
1972 struct gdbarch *old_gdbarch = current_gdbarch;
1973 struct gdbarch_swap *curr;
1975 gdb_assert (old_gdbarch != NULL);
1976 for (curr = old_gdbarch->swap;
1980 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1981 memset (curr->source->data, 0, curr->source->sizeof_data);
1983 current_gdbarch = NULL;
1988 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
1990 struct gdbarch_swap *curr;
1992 gdb_assert (current_gdbarch == NULL);
1993 for (curr = new_gdbarch->swap;
1996 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1997 current_gdbarch = new_gdbarch;
2001 /* Keep a registry of the architectures known by GDB. */
2003 struct gdbarch_registration
2005 enum bfd_architecture bfd_architecture;
2006 gdbarch_init_ftype *init;
2007 gdbarch_dump_tdep_ftype *dump_tdep;
2008 struct gdbarch_list *arches;
2009 struct gdbarch_registration *next;
2012 static struct gdbarch_registration *gdbarch_registry = NULL;
2015 append_name (const char ***buf, int *nr, const char *name)
2017 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2023 gdbarch_printable_names (void)
2025 /* Accumulate a list of names based on the registed list of
2027 enum bfd_architecture a;
2029 const char **arches = NULL;
2030 struct gdbarch_registration *rego;
2031 for (rego = gdbarch_registry;
2035 const struct bfd_arch_info *ap;
2036 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2038 internal_error (__FILE__, __LINE__,
2039 "gdbarch_architecture_names: multi-arch unknown");
2042 append_name (&arches, &nr_arches, ap->printable_name);
2047 append_name (&arches, &nr_arches, NULL);
2053 gdbarch_register (enum bfd_architecture bfd_architecture,
2054 gdbarch_init_ftype *init,
2055 gdbarch_dump_tdep_ftype *dump_tdep)
2057 struct gdbarch_registration **curr;
2058 const struct bfd_arch_info *bfd_arch_info;
2059 /* Check that BFD recognizes this architecture */
2060 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2061 if (bfd_arch_info == NULL)
2063 internal_error (__FILE__, __LINE__,
2064 "gdbarch: Attempt to register unknown architecture (%d)",
2067 /* Check that we haven't seen this architecture before */
2068 for (curr = &gdbarch_registry;
2070 curr = &(*curr)->next)
2072 if (bfd_architecture == (*curr)->bfd_architecture)
2073 internal_error (__FILE__, __LINE__,
2074 "gdbarch: Duplicate registraration of architecture (%s)",
2075 bfd_arch_info->printable_name);
2079 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2080 bfd_arch_info->printable_name,
2083 (*curr) = XMALLOC (struct gdbarch_registration);
2084 (*curr)->bfd_architecture = bfd_architecture;
2085 (*curr)->init = init;
2086 (*curr)->dump_tdep = dump_tdep;
2087 (*curr)->arches = NULL;
2088 (*curr)->next = NULL;
2092 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2093 gdbarch_init_ftype *init)
2095 gdbarch_register (bfd_architecture, init, NULL);
2099 /* Look for an architecture using gdbarch_info. Base search on only
2100 BFD_ARCH_INFO and BYTE_ORDER. */
2102 struct gdbarch_list *
2103 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2104 const struct gdbarch_info *info)
2106 for (; arches != NULL; arches = arches->next)
2108 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2110 if (info->byte_order != arches->gdbarch->byte_order)
2112 if (info->osabi != arches->gdbarch->osabi)
2120 /* Find an architecture that matches the specified INFO. Create a new
2121 architecture if needed. Return that new architecture. Assumes
2122 that there is no current architecture. */
2124 static struct gdbarch *
2125 find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
2127 struct gdbarch *new_gdbarch;
2128 struct gdbarch_registration *rego;
2130 /* The existing architecture has been swapped out - all this code
2131 works from a clean slate. */
2132 gdb_assert (current_gdbarch == NULL);
2134 /* Fill in missing parts of the INFO struct using a number of
2135 sources: "set ..."; INFOabfd supplied; and the existing
2137 gdbarch_info_fill (old_gdbarch, &info);
2139 /* Must have found some sort of architecture. */
2140 gdb_assert (info.bfd_arch_info != NULL);
2144 fprintf_unfiltered (gdb_stdlog,
2145 "find_arch_by_info: info.bfd_arch_info %s\n",
2146 (info.bfd_arch_info != NULL
2147 ? info.bfd_arch_info->printable_name
2149 fprintf_unfiltered (gdb_stdlog,
2150 "find_arch_by_info: info.byte_order %d (%s)\n",
2152 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2153 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2155 fprintf_unfiltered (gdb_stdlog,
2156 "find_arch_by_info: info.osabi %d (%s)\n",
2157 info.osabi, gdbarch_osabi_name (info.osabi));
2158 fprintf_unfiltered (gdb_stdlog,
2159 "find_arch_by_info: info.abfd 0x%lx\n",
2161 fprintf_unfiltered (gdb_stdlog,
2162 "find_arch_by_info: info.tdep_info 0x%lx\n",
2163 (long) info.tdep_info);
2166 /* Find the tdep code that knows about this architecture. */
2167 for (rego = gdbarch_registry;
2170 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2175 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2176 "No matching architecture\n");
2180 /* Ask the tdep code for an architecture that matches "info". */
2181 new_gdbarch = rego->init (info, rego->arches);
2183 /* Did the tdep code like it? No. Reject the change and revert to
2184 the old architecture. */
2185 if (new_gdbarch == NULL)
2188 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2189 "Target rejected architecture\n");
2193 /* Is this a pre-existing architecture (as determined by already
2194 being initialized)? Move it to the front of the architecture
2195 list (keeping the list sorted Most Recently Used). */
2196 if (new_gdbarch->initialized_p)
2198 struct gdbarch_list **list;
2199 struct gdbarch_list *this;
2201 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2202 "Previous architecture 0x%08lx (%s) selected\n",
2204 new_gdbarch->bfd_arch_info->printable_name);
2205 /* Find the existing arch in the list. */
2206 for (list = ®o->arches;
2207 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2208 list = &(*list)->next);
2209 /* It had better be in the list of architectures. */
2210 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2213 (*list) = this->next;
2214 /* Insert THIS at the front. */
2215 this->next = rego->arches;
2216 rego->arches = this;
2221 /* It's a new architecture. */
2223 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2224 "New architecture 0x%08lx (%s) selected\n",
2226 new_gdbarch->bfd_arch_info->printable_name);
2228 /* Insert the new architecture into the front of the architecture
2229 list (keep the list sorted Most Recently Used). */
2231 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2232 this->next = rego->arches;
2233 this->gdbarch = new_gdbarch;
2234 rego->arches = this;
2237 /* Check that the newly installed architecture is valid. Plug in
2238 any post init values. */
2239 new_gdbarch->dump_tdep = rego->dump_tdep;
2240 verify_gdbarch (new_gdbarch);
2241 new_gdbarch->initialized_p = 1;
2243 /* Initialize any per-architecture swap areas. This phase requires
2244 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2245 swap the entire architecture out. */
2246 current_gdbarch = new_gdbarch;
2247 current_gdbarch_swap_init_hack ();
2248 current_gdbarch_swap_out_hack ();
2251 gdbarch_dump (new_gdbarch, gdb_stdlog);
2257 gdbarch_find_by_info (struct gdbarch_info info)
2259 /* Save the previously selected architecture, setting the global to
2260 NULL. This stops things like gdbarch->init() trying to use the
2261 previous architecture's configuration. The previous architecture
2262 may not even be of the same architecture family. The most recent
2263 architecture of the same family is found at the head of the
2264 rego->arches list. */
2265 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2267 /* Find the specified architecture. */
2268 struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
2270 /* Restore the existing architecture. */
2271 gdb_assert (current_gdbarch == NULL);
2272 current_gdbarch_swap_in_hack (old_gdbarch);
2277 /* Make the specified architecture current, swapping the existing one
2281 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2283 gdb_assert (new_gdbarch != NULL);
2284 gdb_assert (current_gdbarch != NULL);
2285 gdb_assert (new_gdbarch->initialized_p);
2286 current_gdbarch_swap_out_hack ();
2287 current_gdbarch_swap_in_hack (new_gdbarch);
2288 architecture_changed_event ();
2291 extern void _initialize_gdbarch (void);
2294 _initialize_gdbarch (void)
2296 struct cmd_list_element *c;
2298 add_show_from_set (add_set_cmd ("arch",
2301 (char *)&gdbarch_debug,
2302 "Set architecture debugging.\\n\\
2303 When non-zero, architecture debugging is enabled.", &setdebuglist),
2305 c = add_set_cmd ("archdebug",
2308 (char *)&gdbarch_debug,
2309 "Set architecture debugging.\\n\\
2310 When non-zero, architecture debugging is enabled.", &setlist);
2312 deprecate_cmd (c, "set debug arch");
2313 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2319 #../move-if-change new-gdbarch.c gdbarch.c
2320 compare_new gdbarch.c