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_WORDS can be deleted.
535 v::DEPRECATED_CALL_DUMMY_WORDS:LONGEST *:deprecated_call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
536 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_SIZEOF_CALL_DUMMY_WORDS.
537 v::DEPRECATED_SIZEOF_CALL_DUMMY_WORDS:int:deprecated_sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
538 # DEPRECATED_FIX_CALL_DUMMY can be deleted. For the SPARC, implement
539 # PUSH_DUMMY_CODE and set CALL_DUMMY_LOCATION to ON_STACK.
540 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
541 # This is a replacement for DEPRECATED_FIX_CALL_DUMMY et.al.
542 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
543 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_PUSH_DUMMY_FRAME.
544 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-
546 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
547 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
548 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
549 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
550 # MAP a GDB RAW register number onto a simulator register number. See
551 # also include/...-sim.h.
552 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
553 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes
554 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
555 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
556 # setjmp/longjmp support.
557 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc
558 # NOTE: cagney/2002-11-24: This function with predicate has a valid
559 # (callable) initial value. As a consequence, even when the predicate
560 # is false, the corresponding function works. This simplifies the
561 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
562 # doesn't need to be modified.
563 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
564 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
566 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
567 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
568 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
570 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
571 # For raw <-> cooked register conversions, replaced by pseudo registers.
572 F::DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr
573 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
574 # For raw <-> cooked register conversions, replaced by pseudo registers.
575 f:2:DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL:void:deprecated_register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0::0
576 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
577 # For raw <-> cooked register conversions, replaced by pseudo registers.
578 f:2:DEPRECATED_REGISTER_CONVERT_TO_RAW:void:deprecated_register_convert_to_raw:struct type *type, int regnum, const char *from, char *to:type, regnum, from, to:::0::0
580 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum, struct type *type:regnum, type::0:legacy_convert_register_p::0
581 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
582 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
584 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
585 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
586 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
588 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
589 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
590 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
592 # It has been suggested that this, well actually its predecessor,
593 # should take the type/value of the function to be called and not the
594 # return type. This is left as an exercise for the reader.
596 M:::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, void *readbuf, const void *writebuf:valtype, regcache, readbuf, writebuf
598 # The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
599 # STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
602 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
603 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
604 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
605 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
606 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
607 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
609 # As of 2004-01-17 only the 32-bit SPARC ABI has been identified as an
610 # ABI suitable for the implementation of a robust extract
611 # struct-convention return-value address method (the sparc saves the
612 # address in the callers frame). All the other cases so far examined,
613 # the DEPRECATED_EXTRACT_STRUCT_VALUE implementation has been
614 # erreneous - the code was incorrectly assuming that the return-value
615 # address, stored in a register, was preserved across the entire
618 # For the moment retain DEPRECATED_EXTRACT_STRUCT_VALUE as a marker of
619 # the ABIs that are still to be analyzed - perhaps this should simply
620 # be deleted. The commented out extract_returned_value_address method
621 # is provided as a starting point for the 32-bit SPARC. It, or
622 # something like it, along with changes to both infcmd.c and stack.c
623 # will be needed for that case to work. NB: It is passed the callers
624 # frame since it is only after the callee has returned that this
627 #M:::CORE_ADDR:extract_returned_value_address:struct frame_info *caller_frame:caller_frame
628 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:struct regcache *regcache:regcache
630 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
631 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
633 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
634 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
635 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
636 M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
637 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
638 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
639 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:::0
640 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:::0
642 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
644 v::FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:::0
645 # DEPRECATED_FRAMELESS_FUNCTION_INVOCATION is not needed. The new
646 # frame code works regardless of the type of frame - frameless,
647 # stackless, or normal.
648 F::DEPRECATED_FRAMELESS_FUNCTION_INVOCATION:int:deprecated_frameless_function_invocation:struct frame_info *fi:fi
649 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
650 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
651 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
652 # note, per UNWIND_PC's doco, that while the two have similar
653 # interfaces they have very different underlying implementations.
654 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
655 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
656 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
657 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
658 # frame-base. Enable frame-base before frame-unwind.
659 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
660 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
661 # frame-base. Enable frame-base before frame-unwind.
662 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
663 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
664 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
666 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
667 # to frame_align and the requirement that methods such as
668 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
670 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
671 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
672 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
673 # stabs_argument_has_addr.
674 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
675 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
676 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
677 v:2:PARM_BOUNDARY:int:parm_boundary
679 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (current_gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
680 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
681 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
682 m:::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ:::convert_from_func_ptr_addr_identity::0
683 # On some machines there are bits in addresses which are not really
684 # part of the address, but are used by the kernel, the hardware, etc.
685 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
686 # we get a "real" address such as one would find in a symbol table.
687 # This is used only for addresses of instructions, and even then I'm
688 # not sure it's used in all contexts. It exists to deal with there
689 # being a few stray bits in the PC which would mislead us, not as some
690 # sort of generic thing to handle alignment or segmentation (it's
691 # possible it should be in TARGET_READ_PC instead).
692 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
693 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
695 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
696 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
697 # the target needs software single step. An ISA method to implement it.
699 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
700 # using the breakpoint system instead of blatting memory directly (as with rs6000).
702 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
703 # single step. If not, then implement single step using breakpoints.
704 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
705 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
706 # disassembler. Perhaphs objdump can handle it?
707 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
708 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
711 # If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER
712 # evaluates non-zero, this is the address where the debugger will place
713 # a step-resume breakpoint to get us past the dynamic linker.
714 m:2:SKIP_SOLIB_RESOLVER:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc:::generic_skip_solib_resolver::0
715 # For SVR4 shared libraries, each call goes through a small piece of
716 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
717 # to nonzero if we are currently stopped in one of these.
718 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
720 # Some systems also have trampoline code for returning from shared libs.
721 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
723 # NOTE: cagney/2004-03-23: DEPRECATED_SIGTRAMP_START,
724 # DEPRECATED_SIGTRAMP_END, and DEPRECATED_PC_IN_SIGTRAMP have all been
725 # superseeded by signal trampoline frame sniffers.
726 F::DEPRECATED_PC_IN_SIGTRAMP:int:deprecated_pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp
727 F:2:DEPRECATED_SIGTRAMP_START:CORE_ADDR:deprecated_sigtramp_start:CORE_ADDR pc:pc
728 F:2:DEPRECATED_SIGTRAMP_END:CORE_ADDR:deprecated_sigtramp_end:CORE_ADDR pc:pc
729 # A target might have problems with watchpoints as soon as the stack
730 # frame of the current function has been destroyed. This mostly happens
731 # as the first action in a funtion's epilogue. in_function_epilogue_p()
732 # is defined to return a non-zero value if either the given addr is one
733 # instruction after the stack destroying instruction up to the trailing
734 # return instruction or if we can figure out that the stack frame has
735 # already been invalidated regardless of the value of addr. Targets
736 # which don't suffer from that problem could just let this functionality
738 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
739 # Given a vector of command-line arguments, return a newly allocated
740 # string which, when passed to the create_inferior function, will be
741 # parsed (on Unix systems, by the shell) to yield the same vector.
742 # This function should call error() if the argument vector is not
743 # representable for this target or if this target does not support
744 # command-line arguments.
745 # ARGC is the number of elements in the vector.
746 # ARGV is an array of strings, one per argument.
747 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
748 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
749 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
750 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
751 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
752 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
753 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
754 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
755 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
756 # Is a register in a group
757 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
758 # Fetch the pointer to the ith function argument.
759 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
761 # Return the appropriate register set for a core file section with
762 # name SECT_NAME and size SECT_SIZE.
763 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
770 exec > new-gdbarch.log
771 function_list |
while do_read
774 ${class} ${macro}(${actual})
775 ${returntype} ${function} ($formal)${attrib}
779 eval echo \"\ \ \ \
${r}=\
${${r}}\"
781 if class_is_predicate_p
&& fallback_default_p
783 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
787 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
789 echo "Error: postdefault is useless when invalid_p=0" 1>&2
793 if class_is_multiarch_p
795 if class_is_predicate_p
; then :
796 elif test "x${predefault}" = "x"
798 echo "Error: pure multi-arch function must have a predefault" 1>&2
807 compare_new gdbarch.log
813 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
815 /* Dynamic architecture support for GDB, the GNU debugger.
817 Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
818 Software Foundation, Inc.
820 This file is part of GDB.
822 This program is free software; you can redistribute it and/or modify
823 it under the terms of the GNU General Public License as published by
824 the Free Software Foundation; either version 2 of the License, or
825 (at your option) any later version.
827 This program is distributed in the hope that it will be useful,
828 but WITHOUT ANY WARRANTY; without even the implied warranty of
829 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
830 GNU General Public License for more details.
832 You should have received a copy of the GNU General Public License
833 along with this program; if not, write to the Free Software
834 Foundation, Inc., 59 Temple Place - Suite 330,
835 Boston, MA 02111-1307, USA. */
837 /* This file was created with the aid of \`\`gdbarch.sh''.
839 The Bourne shell script \`\`gdbarch.sh'' creates the files
840 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
841 against the existing \`\`gdbarch.[hc]''. Any differences found
844 If editing this file, please also run gdbarch.sh and merge any
845 changes into that script. Conversely, when making sweeping changes
846 to this file, modifying gdbarch.sh and using its output may prove
867 struct minimal_symbol;
871 struct disassemble_info;
875 extern struct gdbarch *current_gdbarch;
878 /* If any of the following are defined, the target wasn't correctly
881 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
882 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
889 printf "/* The following are pre-initialized by GDBARCH. */\n"
890 function_list |
while do_read
895 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
896 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
897 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
898 printf "#error \"Non multi-arch definition of ${macro}\"\n"
900 printf "#if !defined (${macro})\n"
901 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
909 printf "/* The following are initialized by the target dependent code. */\n"
910 function_list |
while do_read
912 if [ -n "${comment}" ]
914 echo "${comment}" |
sed \
919 if class_is_multiarch_p
921 if class_is_predicate_p
924 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
927 if class_is_predicate_p
930 printf "#if defined (${macro})\n"
931 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
932 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
933 printf "#if !defined (${macro}_P)\n"
934 printf "#define ${macro}_P() (1)\n"
938 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
939 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
940 printf "#error \"Non multi-arch definition of ${macro}\"\n"
942 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
943 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
947 if class_is_variable_p
950 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
951 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
952 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
953 printf "#error \"Non multi-arch definition of ${macro}\"\n"
955 printf "#if !defined (${macro})\n"
956 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
959 if class_is_function_p
962 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
964 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
965 elif class_is_multiarch_p
967 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
969 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
971 if [ "x${formal}" = "xvoid" ]
973 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
975 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
977 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
978 if class_is_multiarch_p
; then :
980 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
981 printf "#error \"Non multi-arch definition of ${macro}\"\n"
983 if [ "x${actual}" = "x" ]
985 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
986 elif [ "x${actual}" = "x-" ]
988 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
990 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
992 printf "#if !defined (${macro})\n"
993 if [ "x${actual}" = "x" ]
995 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
996 elif [ "x${actual}" = "x-" ]
998 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1000 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1010 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1013 /* Mechanism for co-ordinating the selection of a specific
1016 GDB targets (*-tdep.c) can register an interest in a specific
1017 architecture. Other GDB components can register a need to maintain
1018 per-architecture data.
1020 The mechanisms below ensures that there is only a loose connection
1021 between the set-architecture command and the various GDB
1022 components. Each component can independently register their need
1023 to maintain architecture specific data with gdbarch.
1027 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1030 The more traditional mega-struct containing architecture specific
1031 data for all the various GDB components was also considered. Since
1032 GDB is built from a variable number of (fairly independent)
1033 components it was determined that the global aproach was not
1037 /* Register a new architectural family with GDB.
1039 Register support for the specified ARCHITECTURE with GDB. When
1040 gdbarch determines that the specified architecture has been
1041 selected, the corresponding INIT function is called.
1045 The INIT function takes two parameters: INFO which contains the
1046 information available to gdbarch about the (possibly new)
1047 architecture; ARCHES which is a list of the previously created
1048 \`\`struct gdbarch'' for this architecture.
1050 The INFO parameter is, as far as possible, be pre-initialized with
1051 information obtained from INFO.ABFD or the previously selected
1054 The ARCHES parameter is a linked list (sorted most recently used)
1055 of all the previously created architures for this architecture
1056 family. The (possibly NULL) ARCHES->gdbarch can used to access
1057 values from the previously selected architecture for this
1058 architecture family. The global \`\`current_gdbarch'' shall not be
1061 The INIT function shall return any of: NULL - indicating that it
1062 doesn't recognize the selected architecture; an existing \`\`struct
1063 gdbarch'' from the ARCHES list - indicating that the new
1064 architecture is just a synonym for an earlier architecture (see
1065 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1066 - that describes the selected architecture (see gdbarch_alloc()).
1068 The DUMP_TDEP function shall print out all target specific values.
1069 Care should be taken to ensure that the function works in both the
1070 multi-arch and non- multi-arch cases. */
1074 struct gdbarch *gdbarch;
1075 struct gdbarch_list *next;
1080 /* Use default: NULL (ZERO). */
1081 const struct bfd_arch_info *bfd_arch_info;
1083 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1086 /* Use default: NULL (ZERO). */
1089 /* Use default: NULL (ZERO). */
1090 struct gdbarch_tdep_info *tdep_info;
1092 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1093 enum gdb_osabi osabi;
1096 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1097 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1099 /* DEPRECATED - use gdbarch_register() */
1100 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1102 extern void gdbarch_register (enum bfd_architecture architecture,
1103 gdbarch_init_ftype *,
1104 gdbarch_dump_tdep_ftype *);
1107 /* Return a freshly allocated, NULL terminated, array of the valid
1108 architecture names. Since architectures are registered during the
1109 _initialize phase this function only returns useful information
1110 once initialization has been completed. */
1112 extern const char **gdbarch_printable_names (void);
1115 /* Helper function. Search the list of ARCHES for a GDBARCH that
1116 matches the information provided by INFO. */
1118 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1121 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1122 basic initialization using values obtained from the INFO andTDEP
1123 parameters. set_gdbarch_*() functions are called to complete the
1124 initialization of the object. */
1126 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1129 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1130 It is assumed that the caller freeds the \`\`struct
1133 extern void gdbarch_free (struct gdbarch *);
1136 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1137 obstack. The memory is freed when the corresponding architecture
1140 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1141 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1142 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1145 /* Helper function. Force an update of the current architecture.
1147 The actual architecture selected is determined by INFO, \`\`(gdb) set
1148 architecture'' et.al., the existing architecture and BFD's default
1149 architecture. INFO should be initialized to zero and then selected
1150 fields should be updated.
1152 Returns non-zero if the update succeeds */
1154 extern int gdbarch_update_p (struct gdbarch_info info);
1157 /* Helper function. Find an architecture matching info.
1159 INFO should be initialized using gdbarch_info_init, relevant fields
1160 set, and then finished using gdbarch_info_fill.
1162 Returns the corresponding architecture, or NULL if no matching
1163 architecture was found. "current_gdbarch" is not updated. */
1165 extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
1168 /* Helper function. Set the global "current_gdbarch" to "gdbarch".
1170 FIXME: kettenis/20031124: Of the functions that follow, only
1171 gdbarch_from_bfd is supposed to survive. The others will
1172 dissappear since in the future GDB will (hopefully) be truly
1173 multi-arch. However, for now we're still stuck with the concept of
1174 a single active architecture. */
1176 extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
1179 /* Register per-architecture data-pointer.
1181 Reserve space for a per-architecture data-pointer. An identifier
1182 for the reserved data-pointer is returned. That identifer should
1183 be saved in a local static variable.
1185 Memory for the per-architecture data shall be allocated using
1186 gdbarch_obstack_zalloc. That memory will be deleted when the
1187 corresponding architecture object is deleted.
1189 When a previously created architecture is re-selected, the
1190 per-architecture data-pointer for that previous architecture is
1191 restored. INIT() is not re-called.
1193 Multiple registrarants for any architecture are allowed (and
1194 strongly encouraged). */
1196 struct gdbarch_data;
1198 typedef void *(gdbarch_data_pre_init_ftype) (struct obstack *obstack);
1199 extern struct gdbarch_data *gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *init);
1200 typedef void *(gdbarch_data_post_init_ftype) (struct gdbarch *gdbarch);
1201 extern struct gdbarch_data *gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *init);
1202 extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1203 struct gdbarch_data *data,
1206 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1210 /* Register per-architecture memory region.
1212 Provide a memory-region swap mechanism. Per-architecture memory
1213 region are created. These memory regions are swapped whenever the
1214 architecture is changed. For a new architecture, the memory region
1215 is initialized with zero (0) and the INIT function is called.
1217 Memory regions are swapped / initialized in the order that they are
1218 registered. NULL DATA and/or INIT values can be specified.
1220 New code should use gdbarch_data_register_*(). */
1222 typedef void (gdbarch_swap_ftype) (void);
1223 extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1224 #define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1228 /* Set the dynamic target-system-dependent parameters (architecture,
1229 byte-order, ...) using information found in the BFD */
1231 extern void set_gdbarch_from_file (bfd *);
1234 /* Initialize the current architecture to the "first" one we find on
1237 extern void initialize_current_architecture (void);
1239 /* gdbarch trace variable */
1240 extern int gdbarch_debug;
1242 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1247 #../move-if-change new-gdbarch.h gdbarch.h
1248 compare_new gdbarch.h
1255 exec > new-gdbarch.c
1260 #include "arch-utils.h"
1263 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1266 #include "floatformat.h"
1268 #include "gdb_assert.h"
1269 #include "gdb_string.h"
1270 #include "gdb-events.h"
1271 #include "reggroups.h"
1273 #include "gdb_obstack.h"
1275 /* Static function declarations */
1277 static void alloc_gdbarch_data (struct gdbarch *);
1279 /* Non-zero if we want to trace architecture code. */
1281 #ifndef GDBARCH_DEBUG
1282 #define GDBARCH_DEBUG 0
1284 int gdbarch_debug = GDBARCH_DEBUG;
1288 # gdbarch open the gdbarch object
1290 printf "/* Maintain the struct gdbarch object */\n"
1292 printf "struct gdbarch\n"
1294 printf " /* Has this architecture been fully initialized? */\n"
1295 printf " int initialized_p;\n"
1297 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1298 printf " struct obstack *obstack;\n"
1300 printf " /* basic architectural information */\n"
1301 function_list |
while do_read
1305 printf " ${returntype} ${function};\n"
1309 printf " /* target specific vector. */\n"
1310 printf " struct gdbarch_tdep *tdep;\n"
1311 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1313 printf " /* per-architecture data-pointers */\n"
1314 printf " unsigned nr_data;\n"
1315 printf " void **data;\n"
1317 printf " /* per-architecture swap-regions */\n"
1318 printf " struct gdbarch_swap *swap;\n"
1321 /* Multi-arch values.
1323 When extending this structure you must:
1325 Add the field below.
1327 Declare set/get functions and define the corresponding
1330 gdbarch_alloc(): If zero/NULL is not a suitable default,
1331 initialize the new field.
1333 verify_gdbarch(): Confirm that the target updated the field
1336 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1339 \`\`startup_gdbarch()'': Append an initial value to the static
1340 variable (base values on the host's c-type system).
1342 get_gdbarch(): Implement the set/get functions (probably using
1343 the macro's as shortcuts).
1348 function_list |
while do_read
1350 if class_is_variable_p
1352 printf " ${returntype} ${function};\n"
1353 elif class_is_function_p
1355 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1360 # A pre-initialized vector
1364 /* The default architecture uses host values (for want of a better
1368 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1370 printf "struct gdbarch startup_gdbarch =\n"
1372 printf " 1, /* Always initialized. */\n"
1373 printf " NULL, /* The obstack. */\n"
1374 printf " /* basic architecture information */\n"
1375 function_list |
while do_read
1379 printf " ${staticdefault}, /* ${function} */\n"
1383 /* target specific vector and its dump routine */
1385 /*per-architecture data-pointers and swap regions */
1387 /* Multi-arch values */
1389 function_list |
while do_read
1391 if class_is_function_p || class_is_variable_p
1393 printf " ${staticdefault}, /* ${function} */\n"
1397 /* startup_gdbarch() */
1400 struct gdbarch *current_gdbarch = &startup_gdbarch;
1403 # Create a new gdbarch struct
1406 /* Create a new \`\`struct gdbarch'' based on information provided by
1407 \`\`struct gdbarch_info''. */
1412 gdbarch_alloc (const struct gdbarch_info *info,
1413 struct gdbarch_tdep *tdep)
1415 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1416 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1417 the current local architecture and not the previous global
1418 architecture. This ensures that the new architectures initial
1419 values are not influenced by the previous architecture. Once
1420 everything is parameterised with gdbarch, this will go away. */
1421 struct gdbarch *current_gdbarch;
1423 /* Create an obstack for allocating all the per-architecture memory,
1424 then use that to allocate the architecture vector. */
1425 struct obstack *obstack = XMALLOC (struct obstack);
1426 obstack_init (obstack);
1427 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1428 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1429 current_gdbarch->obstack = obstack;
1431 alloc_gdbarch_data (current_gdbarch);
1433 current_gdbarch->tdep = tdep;
1436 function_list |
while do_read
1440 printf " current_gdbarch->${function} = info->${function};\n"
1444 printf " /* Force the explicit initialization of these. */\n"
1445 function_list |
while do_read
1447 if class_is_function_p || class_is_variable_p
1449 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1451 printf " current_gdbarch->${function} = ${predefault};\n"
1456 /* gdbarch_alloc() */
1458 return current_gdbarch;
1462 # Free a gdbarch struct.
1466 /* Allocate extra space using the per-architecture obstack. */
1469 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1471 void *data = obstack_alloc (arch->obstack, size);
1472 memset (data, 0, size);
1477 /* Free a gdbarch struct. This should never happen in normal
1478 operation --- once you've created a gdbarch, you keep it around.
1479 However, if an architecture's init function encounters an error
1480 building the structure, it may need to clean up a partially
1481 constructed gdbarch. */
1484 gdbarch_free (struct gdbarch *arch)
1486 struct obstack *obstack;
1487 gdb_assert (arch != NULL);
1488 gdb_assert (!arch->initialized_p);
1489 obstack = arch->obstack;
1490 obstack_free (obstack, 0); /* Includes the ARCH. */
1495 # verify a new architecture
1499 /* Ensure that all values in a GDBARCH are reasonable. */
1501 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1502 just happens to match the global variable \`\`current_gdbarch''. That
1503 way macros refering to that variable get the local and not the global
1504 version - ulgh. Once everything is parameterised with gdbarch, this
1508 verify_gdbarch (struct gdbarch *current_gdbarch)
1510 struct ui_file *log;
1511 struct cleanup *cleanups;
1514 log = mem_fileopen ();
1515 cleanups = make_cleanup_ui_file_delete (log);
1517 if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1518 fprintf_unfiltered (log, "\n\tbyte-order");
1519 if (current_gdbarch->bfd_arch_info == NULL)
1520 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1521 /* Check those that need to be defined for the given multi-arch level. */
1523 function_list |
while do_read
1525 if class_is_function_p || class_is_variable_p
1527 if [ "x${invalid_p}" = "x0" ]
1529 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1530 elif class_is_predicate_p
1532 printf " /* Skip verify of ${function}, has predicate */\n"
1533 # FIXME: See do_read for potential simplification
1534 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1536 printf " if (${invalid_p})\n"
1537 printf " current_gdbarch->${function} = ${postdefault};\n"
1538 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1540 printf " if (current_gdbarch->${function} == ${predefault})\n"
1541 printf " current_gdbarch->${function} = ${postdefault};\n"
1542 elif [ -n "${postdefault}" ]
1544 printf " if (current_gdbarch->${function} == 0)\n"
1545 printf " current_gdbarch->${function} = ${postdefault};\n"
1546 elif [ -n "${invalid_p}" ]
1548 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1549 printf " && (${invalid_p}))\n"
1550 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1551 elif [ -n "${predefault}" ]
1553 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1554 printf " && (current_gdbarch->${function} == ${predefault}))\n"
1555 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1560 buf = ui_file_xstrdup (log, &dummy);
1561 make_cleanup (xfree, buf);
1562 if (strlen (buf) > 0)
1563 internal_error (__FILE__, __LINE__,
1564 "verify_gdbarch: the following are invalid ...%s",
1566 do_cleanups (cleanups);
1570 # dump the structure
1574 /* Print out the details of the current architecture. */
1576 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1577 just happens to match the global variable \`\`current_gdbarch''. That
1578 way macros refering to that variable get the local and not the global
1579 version - ulgh. Once everything is parameterised with gdbarch, this
1583 gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
1585 fprintf_unfiltered (file,
1586 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1589 function_list |
sort -t: -k 3 |
while do_read
1591 # First the predicate
1592 if class_is_predicate_p
1594 if class_is_multiarch_p
1596 printf " fprintf_unfiltered (file,\n"
1597 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1598 printf " gdbarch_${function}_p (current_gdbarch));\n"
1600 printf "#ifdef ${macro}_P\n"
1601 printf " fprintf_unfiltered (file,\n"
1602 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1603 printf " \"${macro}_P()\",\n"
1604 printf " XSTRING (${macro}_P ()));\n"
1605 printf " fprintf_unfiltered (file,\n"
1606 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1607 printf " ${macro}_P ());\n"
1611 # multiarch functions don't have macros.
1612 if class_is_multiarch_p
1614 printf " fprintf_unfiltered (file,\n"
1615 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1616 printf " (long) current_gdbarch->${function});\n"
1619 # Print the macro definition.
1620 printf "#ifdef ${macro}\n"
1621 if class_is_function_p
1623 printf " fprintf_unfiltered (file,\n"
1624 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1625 printf " \"${macro}(${actual})\",\n"
1626 printf " XSTRING (${macro} (${actual})));\n"
1628 printf " fprintf_unfiltered (file,\n"
1629 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1630 printf " XSTRING (${macro}));\n"
1632 if [ "x${print_p}" = "x()" ]
1634 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1635 elif [ "x${print_p}" = "x0" ]
1637 printf " /* skip print of ${macro}, print_p == 0. */\n"
1638 elif [ -n "${print_p}" ]
1640 printf " if (${print_p})\n"
1641 printf " fprintf_unfiltered (file,\n"
1642 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1643 printf " ${print});\n"
1644 elif class_is_function_p
1646 printf " fprintf_unfiltered (file,\n"
1647 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1648 printf " (long) current_gdbarch->${function}\n"
1649 printf " /*${macro} ()*/);\n"
1651 printf " fprintf_unfiltered (file,\n"
1652 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1653 printf " ${print});\n"
1658 if (current_gdbarch->dump_tdep != NULL)
1659 current_gdbarch->dump_tdep (current_gdbarch, file);
1667 struct gdbarch_tdep *
1668 gdbarch_tdep (struct gdbarch *gdbarch)
1670 if (gdbarch_debug >= 2)
1671 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1672 return gdbarch->tdep;
1676 function_list |
while do_read
1678 if class_is_predicate_p
1682 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1684 printf " gdb_assert (gdbarch != NULL);\n"
1685 printf " return ${predicate};\n"
1688 if class_is_function_p
1691 printf "${returntype}\n"
1692 if [ "x${formal}" = "xvoid" ]
1694 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1696 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1699 printf " gdb_assert (gdbarch != NULL);\n"
1700 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1701 if class_is_predicate_p
&& test -n "${predefault}"
1703 # Allow a call to a function with a predicate.
1704 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1706 printf " if (gdbarch_debug >= 2)\n"
1707 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1708 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1710 if class_is_multiarch_p
1717 if class_is_multiarch_p
1719 params
="gdbarch, ${actual}"
1724 if [ "x${returntype}" = "xvoid" ]
1726 printf " gdbarch->${function} (${params});\n"
1728 printf " return gdbarch->${function} (${params});\n"
1733 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1734 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1736 printf " gdbarch->${function} = ${function};\n"
1738 elif class_is_variable_p
1741 printf "${returntype}\n"
1742 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1744 printf " gdb_assert (gdbarch != NULL);\n"
1745 if [ "x${invalid_p}" = "x0" ]
1747 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1748 elif [ -n "${invalid_p}" ]
1750 printf " /* Check variable is valid. */\n"
1751 printf " gdb_assert (!(${invalid_p}));\n"
1752 elif [ -n "${predefault}" ]
1754 printf " /* Check variable changed from pre-default. */\n"
1755 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1757 printf " if (gdbarch_debug >= 2)\n"
1758 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1759 printf " return gdbarch->${function};\n"
1763 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1764 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1766 printf " gdbarch->${function} = ${function};\n"
1768 elif class_is_info_p
1771 printf "${returntype}\n"
1772 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1774 printf " gdb_assert (gdbarch != NULL);\n"
1775 printf " if (gdbarch_debug >= 2)\n"
1776 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1777 printf " return gdbarch->${function};\n"
1782 # All the trailing guff
1786 /* Keep a registry of per-architecture data-pointers required by GDB
1793 gdbarch_data_pre_init_ftype *pre_init;
1794 gdbarch_data_post_init_ftype *post_init;
1797 struct gdbarch_data_registration
1799 struct gdbarch_data *data;
1800 struct gdbarch_data_registration *next;
1803 struct gdbarch_data_registry
1806 struct gdbarch_data_registration *registrations;
1809 struct gdbarch_data_registry gdbarch_data_registry =
1814 static struct gdbarch_data *
1815 gdbarch_data_register (gdbarch_data_pre_init_ftype *pre_init,
1816 gdbarch_data_post_init_ftype *post_init)
1818 struct gdbarch_data_registration **curr;
1819 /* Append the new registraration. */
1820 for (curr = &gdbarch_data_registry.registrations;
1822 curr = &(*curr)->next);
1823 (*curr) = XMALLOC (struct gdbarch_data_registration);
1824 (*curr)->next = NULL;
1825 (*curr)->data = XMALLOC (struct gdbarch_data);
1826 (*curr)->data->index = gdbarch_data_registry.nr++;
1827 (*curr)->data->pre_init = pre_init;
1828 (*curr)->data->post_init = post_init;
1829 (*curr)->data->init_p = 1;
1830 return (*curr)->data;
1833 struct gdbarch_data *
1834 gdbarch_data_register_pre_init (gdbarch_data_pre_init_ftype *pre_init)
1836 return gdbarch_data_register (pre_init, NULL);
1839 struct gdbarch_data *
1840 gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init)
1842 return gdbarch_data_register (NULL, post_init);
1845 /* Create/delete the gdbarch data vector. */
1848 alloc_gdbarch_data (struct gdbarch *gdbarch)
1850 gdb_assert (gdbarch->data == NULL);
1851 gdbarch->nr_data = gdbarch_data_registry.nr;
1852 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1855 /* Initialize the current value of the specified per-architecture
1859 deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
1860 struct gdbarch_data *data,
1863 gdb_assert (data->index < gdbarch->nr_data);
1864 gdb_assert (gdbarch->data[data->index] == NULL);
1865 gdb_assert (data->pre_init == NULL);
1866 gdbarch->data[data->index] = pointer;
1869 /* Return the current value of the specified per-architecture
1873 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1875 gdb_assert (data->index < gdbarch->nr_data);
1876 if (gdbarch->data[data->index] == NULL)
1878 /* The data-pointer isn't initialized, call init() to get a
1880 if (data->pre_init != NULL)
1881 /* Mid architecture creation: pass just the obstack, and not
1882 the entire architecture, as that way it isn't possible for
1883 pre-init code to refer to undefined architecture
1885 gdbarch->data[data->index] = data->pre_init (gdbarch->obstack);
1886 else if (gdbarch->initialized_p
1887 && data->post_init != NULL)
1888 /* Post architecture creation: pass the entire architecture
1889 (as all fields are valid), but be careful to also detect
1890 recursive references. */
1892 gdb_assert (data->init_p);
1894 gdbarch->data[data->index] = data->post_init (gdbarch);
1898 /* The architecture initialization hasn't completed - punt -
1899 hope that the caller knows what they are doing. Once
1900 deprecated_set_gdbarch_data has been initialized, this can be
1901 changed to an internal error. */
1903 gdb_assert (gdbarch->data[data->index] != NULL);
1905 return gdbarch->data[data->index];
1910 /* Keep a registry of swapped data required by GDB modules. */
1915 struct gdbarch_swap_registration *source;
1916 struct gdbarch_swap *next;
1919 struct gdbarch_swap_registration
1922 unsigned long sizeof_data;
1923 gdbarch_swap_ftype *init;
1924 struct gdbarch_swap_registration *next;
1927 struct gdbarch_swap_registry
1930 struct gdbarch_swap_registration *registrations;
1933 struct gdbarch_swap_registry gdbarch_swap_registry =
1939 deprecated_register_gdbarch_swap (void *data,
1940 unsigned long sizeof_data,
1941 gdbarch_swap_ftype *init)
1943 struct gdbarch_swap_registration **rego;
1944 for (rego = &gdbarch_swap_registry.registrations;
1946 rego = &(*rego)->next);
1947 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1948 (*rego)->next = NULL;
1949 (*rego)->init = init;
1950 (*rego)->data = data;
1951 (*rego)->sizeof_data = sizeof_data;
1955 current_gdbarch_swap_init_hack (void)
1957 struct gdbarch_swap_registration *rego;
1958 struct gdbarch_swap **curr = ¤t_gdbarch->swap;
1959 for (rego = gdbarch_swap_registry.registrations;
1963 if (rego->data != NULL)
1965 (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
1966 struct gdbarch_swap);
1967 (*curr)->source = rego;
1968 (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
1970 (*curr)->next = NULL;
1971 curr = &(*curr)->next;
1973 if (rego->init != NULL)
1978 static struct gdbarch *
1979 current_gdbarch_swap_out_hack (void)
1981 struct gdbarch *old_gdbarch = current_gdbarch;
1982 struct gdbarch_swap *curr;
1984 gdb_assert (old_gdbarch != NULL);
1985 for (curr = old_gdbarch->swap;
1989 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1990 memset (curr->source->data, 0, curr->source->sizeof_data);
1992 current_gdbarch = NULL;
1997 current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
1999 struct gdbarch_swap *curr;
2001 gdb_assert (current_gdbarch == NULL);
2002 for (curr = new_gdbarch->swap;
2005 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2006 current_gdbarch = new_gdbarch;
2010 /* Keep a registry of the architectures known by GDB. */
2012 struct gdbarch_registration
2014 enum bfd_architecture bfd_architecture;
2015 gdbarch_init_ftype *init;
2016 gdbarch_dump_tdep_ftype *dump_tdep;
2017 struct gdbarch_list *arches;
2018 struct gdbarch_registration *next;
2021 static struct gdbarch_registration *gdbarch_registry = NULL;
2024 append_name (const char ***buf, int *nr, const char *name)
2026 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2032 gdbarch_printable_names (void)
2034 /* Accumulate a list of names based on the registed list of
2036 enum bfd_architecture a;
2038 const char **arches = NULL;
2039 struct gdbarch_registration *rego;
2040 for (rego = gdbarch_registry;
2044 const struct bfd_arch_info *ap;
2045 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2047 internal_error (__FILE__, __LINE__,
2048 "gdbarch_architecture_names: multi-arch unknown");
2051 append_name (&arches, &nr_arches, ap->printable_name);
2056 append_name (&arches, &nr_arches, NULL);
2062 gdbarch_register (enum bfd_architecture bfd_architecture,
2063 gdbarch_init_ftype *init,
2064 gdbarch_dump_tdep_ftype *dump_tdep)
2066 struct gdbarch_registration **curr;
2067 const struct bfd_arch_info *bfd_arch_info;
2068 /* Check that BFD recognizes this architecture */
2069 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2070 if (bfd_arch_info == NULL)
2072 internal_error (__FILE__, __LINE__,
2073 "gdbarch: Attempt to register unknown architecture (%d)",
2076 /* Check that we haven't seen this architecture before */
2077 for (curr = &gdbarch_registry;
2079 curr = &(*curr)->next)
2081 if (bfd_architecture == (*curr)->bfd_architecture)
2082 internal_error (__FILE__, __LINE__,
2083 "gdbarch: Duplicate registraration of architecture (%s)",
2084 bfd_arch_info->printable_name);
2088 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2089 bfd_arch_info->printable_name,
2092 (*curr) = XMALLOC (struct gdbarch_registration);
2093 (*curr)->bfd_architecture = bfd_architecture;
2094 (*curr)->init = init;
2095 (*curr)->dump_tdep = dump_tdep;
2096 (*curr)->arches = NULL;
2097 (*curr)->next = NULL;
2101 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2102 gdbarch_init_ftype *init)
2104 gdbarch_register (bfd_architecture, init, NULL);
2108 /* Look for an architecture using gdbarch_info. Base search on only
2109 BFD_ARCH_INFO and BYTE_ORDER. */
2111 struct gdbarch_list *
2112 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2113 const struct gdbarch_info *info)
2115 for (; arches != NULL; arches = arches->next)
2117 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2119 if (info->byte_order != arches->gdbarch->byte_order)
2121 if (info->osabi != arches->gdbarch->osabi)
2129 /* Find an architecture that matches the specified INFO. Create a new
2130 architecture if needed. Return that new architecture. Assumes
2131 that there is no current architecture. */
2133 static struct gdbarch *
2134 find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
2136 struct gdbarch *new_gdbarch;
2137 struct gdbarch_registration *rego;
2139 /* The existing architecture has been swapped out - all this code
2140 works from a clean slate. */
2141 gdb_assert (current_gdbarch == NULL);
2143 /* Fill in missing parts of the INFO struct using a number of
2144 sources: "set ..."; INFOabfd supplied; and the existing
2146 gdbarch_info_fill (old_gdbarch, &info);
2148 /* Must have found some sort of architecture. */
2149 gdb_assert (info.bfd_arch_info != NULL);
2153 fprintf_unfiltered (gdb_stdlog,
2154 "find_arch_by_info: info.bfd_arch_info %s\n",
2155 (info.bfd_arch_info != NULL
2156 ? info.bfd_arch_info->printable_name
2158 fprintf_unfiltered (gdb_stdlog,
2159 "find_arch_by_info: info.byte_order %d (%s)\n",
2161 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2162 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2164 fprintf_unfiltered (gdb_stdlog,
2165 "find_arch_by_info: info.osabi %d (%s)\n",
2166 info.osabi, gdbarch_osabi_name (info.osabi));
2167 fprintf_unfiltered (gdb_stdlog,
2168 "find_arch_by_info: info.abfd 0x%lx\n",
2170 fprintf_unfiltered (gdb_stdlog,
2171 "find_arch_by_info: info.tdep_info 0x%lx\n",
2172 (long) info.tdep_info);
2175 /* Find the tdep code that knows about this architecture. */
2176 for (rego = gdbarch_registry;
2179 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2184 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2185 "No matching architecture\n");
2189 /* Ask the tdep code for an architecture that matches "info". */
2190 new_gdbarch = rego->init (info, rego->arches);
2192 /* Did the tdep code like it? No. Reject the change and revert to
2193 the old architecture. */
2194 if (new_gdbarch == NULL)
2197 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2198 "Target rejected architecture\n");
2202 /* Is this a pre-existing architecture (as determined by already
2203 being initialized)? Move it to the front of the architecture
2204 list (keeping the list sorted Most Recently Used). */
2205 if (new_gdbarch->initialized_p)
2207 struct gdbarch_list **list;
2208 struct gdbarch_list *this;
2210 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2211 "Previous architecture 0x%08lx (%s) selected\n",
2213 new_gdbarch->bfd_arch_info->printable_name);
2214 /* Find the existing arch in the list. */
2215 for (list = ®o->arches;
2216 (*list) != NULL && (*list)->gdbarch != new_gdbarch;
2217 list = &(*list)->next);
2218 /* It had better be in the list of architectures. */
2219 gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
2222 (*list) = this->next;
2223 /* Insert THIS at the front. */
2224 this->next = rego->arches;
2225 rego->arches = this;
2230 /* It's a new architecture. */
2232 fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
2233 "New architecture 0x%08lx (%s) selected\n",
2235 new_gdbarch->bfd_arch_info->printable_name);
2237 /* Insert the new architecture into the front of the architecture
2238 list (keep the list sorted Most Recently Used). */
2240 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2241 this->next = rego->arches;
2242 this->gdbarch = new_gdbarch;
2243 rego->arches = this;
2246 /* Check that the newly installed architecture is valid. Plug in
2247 any post init values. */
2248 new_gdbarch->dump_tdep = rego->dump_tdep;
2249 verify_gdbarch (new_gdbarch);
2250 new_gdbarch->initialized_p = 1;
2252 /* Initialize any per-architecture swap areas. This phase requires
2253 a valid global CURRENT_GDBARCH. Set it momentarially, and then
2254 swap the entire architecture out. */
2255 current_gdbarch = new_gdbarch;
2256 current_gdbarch_swap_init_hack ();
2257 current_gdbarch_swap_out_hack ();
2260 gdbarch_dump (new_gdbarch, gdb_stdlog);
2266 gdbarch_find_by_info (struct gdbarch_info info)
2268 /* Save the previously selected architecture, setting the global to
2269 NULL. This stops things like gdbarch->init() trying to use the
2270 previous architecture's configuration. The previous architecture
2271 may not even be of the same architecture family. The most recent
2272 architecture of the same family is found at the head of the
2273 rego->arches list. */
2274 struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
2276 /* Find the specified architecture. */
2277 struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
2279 /* Restore the existing architecture. */
2280 gdb_assert (current_gdbarch == NULL);
2281 current_gdbarch_swap_in_hack (old_gdbarch);
2286 /* Make the specified architecture current, swapping the existing one
2290 deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
2292 gdb_assert (new_gdbarch != NULL);
2293 gdb_assert (current_gdbarch != NULL);
2294 gdb_assert (new_gdbarch->initialized_p);
2295 current_gdbarch_swap_out_hack ();
2296 current_gdbarch_swap_in_hack (new_gdbarch);
2297 architecture_changed_event ();
2300 extern void _initialize_gdbarch (void);
2303 _initialize_gdbarch (void)
2305 struct cmd_list_element *c;
2307 add_show_from_set (add_set_cmd ("arch",
2310 (char *)&gdbarch_debug,
2311 "Set architecture debugging.\\n\\
2312 When non-zero, architecture debugging is enabled.", &setdebuglist),
2314 c = add_set_cmd ("archdebug",
2317 (char *)&gdbarch_debug,
2318 "Set architecture debugging.\\n\\
2319 When non-zero, architecture debugging is enabled.", &setlist);
2321 deprecate_cmd (c, "set debug arch");
2322 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2328 #../move-if-change new-gdbarch.c gdbarch.c
2329 compare_new gdbarch.c