3 # Architecture commands for GDB, the GNU debugger.
4 # Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
6 # This file is part of GDB.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 # Make certain that the script is running in an internationalized
25 LC_ALL
=c
; export LC_ALL
33 echo "${file} missing? cp new-${file} ${file}" 1>&2
34 elif diff -u ${file} new-
${file}
36 echo "${file} unchanged" 1>&2
38 echo "${file} has changed? cp new-${file} ${file}" 1>&2
43 # Format of the input table
44 read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
52 if test "${line}" = ""
55 elif test "${line}" = "#" -a "${comment}" = ""
58 elif expr "${line}" : "#" > /dev
/null
64 # The semantics of IFS varies between different SH's. Some
65 # treat ``::' as three fields while some treat it as just too.
66 # Work around this by eliminating ``::'' ....
67 line
="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
69 OFS
="${IFS}" ; IFS
="[:]"
70 eval read ${read} <<EOF
75 # .... and then going back through each field and strip out those
76 # that ended up with just that space character.
79 if eval test \"\
${${r}}\" = \"\
\"
86 1 ) gt_level
=">= GDB_MULTI_ARCH_PARTIAL" ;;
87 2 ) gt_level
="> GDB_MULTI_ARCH_PARTIAL" ;;
88 "" ) gt_level
="> GDB_MULTI_ARCH_PARTIAL" ;;
89 * ) error
"Error: bad level for ${function}" 1>&2 ; kill $$
; exit 1 ;;
93 m
) staticdefault
="${predefault}" ;;
94 M
) staticdefault
="0" ;;
95 * ) test "${staticdefault}" || staticdefault
=0 ;;
98 # come up with a format, use a few guesses for variables
99 case ":${class}:${fmt}:${print}:" in
101 if [ "${returntype}" = int
]
105 elif [ "${returntype}" = long
]
112 test "${fmt}" ||
fmt="%ld"
113 test "${print}" || print
="(long) ${macro}"
117 case "${invalid_p}" in
119 if test -n "${predefault}"
121 #invalid_p="gdbarch->${function} == ${predefault}"
122 predicate
="gdbarch->${function} != ${predefault}"
123 elif class_is_variable_p
125 predicate
="gdbarch->${function} != 0"
126 elif class_is_function_p
128 predicate
="gdbarch->${function} != NULL"
132 echo "Predicate function ${function} with invalid_p." 1>&2
139 # PREDEFAULT is a valid fallback definition of MEMBER when
140 # multi-arch is not enabled. This ensures that the
141 # default value, when multi-arch is the same as the
142 # default value when not multi-arch. POSTDEFAULT is
143 # always a valid definition of MEMBER as this again
144 # ensures consistency.
146 if [ -n "${postdefault}" ]
148 fallbackdefault
="${postdefault}"
149 elif [ -n "${predefault}" ]
151 fallbackdefault
="${predefault}"
156 #NOT YET: See gdbarch.log for basic verification of
171 fallback_default_p
()
173 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
174 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
177 class_is_variable_p
()
185 class_is_function_p
()
188 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
193 class_is_multiarch_p
()
201 class_is_predicate_p
()
204 *F
* |
*V
* |
*M
* ) true
;;
218 # dump out/verify the doco
228 # F -> function + predicate
229 # hiding a function + predicate to test function validity
232 # V -> variable + predicate
233 # hiding a variable + predicate to test variables validity
235 # hiding something from the ``struct info'' object
236 # m -> multi-arch function
237 # hiding a multi-arch function (parameterised with the architecture)
238 # M -> multi-arch function + predicate
239 # hiding a multi-arch function + predicate to test function validity
243 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
244 # LEVEL is a predicate on checking that a given method is
245 # initialized (using INVALID_P).
249 # The name of the MACRO that this method is to be accessed by.
253 # For functions, the return type; for variables, the data type
257 # For functions, the member function name; for variables, the
258 # variable name. Member function names are always prefixed with
259 # ``gdbarch_'' for name-space purity.
263 # The formal argument list. It is assumed that the formal
264 # argument list includes the actual name of each list element.
265 # A function with no arguments shall have ``void'' as the
266 # formal argument list.
270 # The list of actual arguments. The arguments specified shall
271 # match the FORMAL list given above. Functions with out
272 # arguments leave this blank.
276 # Any GCC attributes that should be attached to the function
277 # declaration. At present this field is unused.
281 # To help with the GDB startup a static gdbarch object is
282 # created. STATICDEFAULT is the value to insert into that
283 # static gdbarch object. Since this a static object only
284 # simple expressions can be used.
286 # If STATICDEFAULT is empty, zero is used.
290 # An initial value to assign to MEMBER of the freshly
291 # malloc()ed gdbarch object. After initialization, the
292 # freshly malloc()ed object is passed to the target
293 # architecture code for further updates.
295 # If PREDEFAULT is empty, zero is used.
297 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
298 # INVALID_P are specified, PREDEFAULT will be used as the
299 # default for the non- multi-arch target.
301 # A zero PREDEFAULT function will force the fallback to call
304 # Variable declarations can refer to ``gdbarch'' which will
305 # contain the current architecture. Care should be taken.
309 # A value to assign to MEMBER of the new gdbarch object should
310 # the target architecture code fail to change the PREDEFAULT
313 # If POSTDEFAULT is empty, no post update is performed.
315 # If both INVALID_P and POSTDEFAULT are non-empty then
316 # INVALID_P will be used to determine if MEMBER should be
317 # changed to POSTDEFAULT.
319 # If a non-empty POSTDEFAULT and a zero INVALID_P are
320 # specified, POSTDEFAULT will be used as the default for the
321 # non- multi-arch target (regardless of the value of
324 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
326 # Variable declarations can refer to ``gdbarch'' which will
327 # contain the current architecture. Care should be taken.
331 # A predicate equation that validates MEMBER. Non-zero is
332 # returned if the code creating the new architecture failed to
333 # initialize MEMBER or the initialized the member is invalid.
334 # If POSTDEFAULT is non-empty then MEMBER will be updated to
335 # that value. If POSTDEFAULT is empty then internal_error()
338 # If INVALID_P is empty, a check that MEMBER is no longer
339 # equal to PREDEFAULT is used.
341 # The expression ``0'' disables the INVALID_P check making
342 # PREDEFAULT a legitimate value.
344 # See also PREDEFAULT and POSTDEFAULT.
348 # printf style format string that can be used to print out the
349 # MEMBER. Sometimes "%s" is useful. For functions, this is
350 # ignored and the function address is printed.
352 # If FMT is empty, ``%ld'' is used.
356 # An optional equation that casts MEMBER to a value suitable
357 # for formatting by FMT.
359 # If PRINT is empty, ``(long)'' is used.
363 # An optional indicator for any predicte to wrap around the
366 # () -> Call a custom function to do the dump.
367 # exp -> Wrap print up in ``if (${print_p}) ...
368 # ``'' -> No predicate
370 # If PRINT_P is empty, ``1'' is always used.
377 echo "Bad field ${field}"
385 # See below (DOCO) for description of each field
387 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
389 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
391 i:2:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN
392 # Number of bits in a char or unsigned char for the target machine.
393 # Just like CHAR_BIT in <limits.h> but describes the target machine.
394 # v:2:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
396 # Number of bits in a short or unsigned short for the target machine.
397 v:2:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
398 # Number of bits in an int or unsigned int for the target machine.
399 v:2:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
400 # Number of bits in a long or unsigned long for the target machine.
401 v:2:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
402 # Number of bits in a long long or unsigned long long for the target
404 v:2:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
405 # Number of bits in a float for the target machine.
406 v:2:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
407 # Number of bits in a double for the target machine.
408 v:2:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
409 # Number of bits in a long double for the target machine.
410 v:2:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
411 # For most targets, a pointer on the target and its representation as an
412 # address in GDB have the same size and "look the same". For such a
413 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
414 # / addr_bit will be set from it.
416 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
417 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
419 # ptr_bit is the size of a pointer on the target
420 v:2:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
421 # addr_bit is the size of a target address as represented in gdb
422 v:2:TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
423 # Number of bits in a BFD_VMA for the target object file format.
424 v:2:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
426 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
427 v:2:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
429 F:2:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
430 f:2:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
431 # UNWIND_SP is a direct replacement for TARGET_READ_SP.
432 F:2:TARGET_READ_SP:CORE_ADDR:read_sp:void
433 # Function for getting target's idea of a frame pointer. FIXME: GDB's
434 # whole scheme for dealing with "frames" and "frame pointers" needs a
436 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
438 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf
439 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf
441 v:2:NUM_REGS:int:num_regs::::0:-1
442 # This macro gives the number of pseudo-registers that live in the
443 # register namespace but do not get fetched or stored on the target.
444 # These pseudo-registers may be aliases for other registers,
445 # combinations of other registers, or they may be computed by GDB.
446 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
448 # GDB's standard (or well known) register numbers. These can map onto
449 # a real register or a pseudo (computed) register or not be defined at
451 # SP_REGNUM will hopefully be replaced by UNWIND_SP.
452 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
453 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
454 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
455 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
456 # Replace DEPRECATED_NPC_REGNUM with an implementation of WRITE_PC
457 # that updates PC, NPC and even NNPC.
458 v:2:DEPRECATED_NPC_REGNUM:int:deprecated_npc_regnum::::0:-1::0
459 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
460 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
461 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
462 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
463 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
464 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
465 # Convert from an sdb register number to an internal gdb register number.
466 # This should be defined in tm.h, if REGISTER_NAMES is not set up
467 # to map one to one onto the sdb register numbers.
468 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
469 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
470 f::REGISTER_NAME:const char *:register_name:int regnr:regnr
472 # REGISTER_TYPE is a direct replacement for REGISTER_VIRTUAL_TYPE.
473 M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr
474 # REGISTER_TYPE is a direct replacement for REGISTER_VIRTUAL_TYPE.
475 F:2:REGISTER_VIRTUAL_TYPE:struct type *:deprecated_register_virtual_type:int reg_nr:reg_nr
476 # DEPRECATED_REGISTER_BYTES can be deleted. The value is computed
477 # from REGISTER_TYPE.
478 v::DEPRECATED_REGISTER_BYTES:int:deprecated_register_bytes
479 # If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
480 # register offsets computed using just REGISTER_TYPE, this can be
481 # deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
482 # function with predicate has a valid (callable) initial value. As a
483 # consequence, even when the predicate is false, the corresponding
484 # function works. This simplifies the migration process - old code,
485 # calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified.
486 F::DEPRECATED_REGISTER_BYTE:int:deprecated_register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte
487 # If all registers have identical raw and virtual sizes and those
488 # sizes agree with the value computed from REGISTER_TYPE,
489 # DEPRECATED_REGISTER_RAW_SIZE can be deleted. See: maint print
491 F:2:REGISTER_RAW_SIZE:int:deprecated_register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
492 # If all registers have identical raw and virtual sizes and those
493 # sizes agree with the value computed from REGISTER_TYPE,
494 # DEPRECATED_REGISTER_VIRTUAL_SIZE can be deleted. See: maint print
496 F:2:REGISTER_VIRTUAL_SIZE:int:deprecated_register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
497 # DEPRECATED_MAX_REGISTER_RAW_SIZE can be deleted. It has been
498 # replaced by the constant MAX_REGISTER_SIZE.
499 V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
500 # DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE can be deleted. It has been
501 # replaced by the constant MAX_REGISTER_SIZE.
502 V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
504 # See gdbint.texinfo, and PUSH_DUMMY_CALL.
505 M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info
506 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
507 # SAVE_DUMMY_FRAME_TOS.
508 F:2:DEPRECATED_SAVE_DUMMY_FRAME_TOS:void:deprecated_save_dummy_frame_tos:CORE_ADDR sp:sp
509 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
510 # DEPRECATED_FP_REGNUM.
511 v:2:DEPRECATED_FP_REGNUM:int:deprecated_fp_regnum::::-1:-1::0
512 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
513 # DEPRECATED_TARGET_READ_FP.
514 F::DEPRECATED_TARGET_READ_FP:CORE_ADDR:deprecated_target_read_fp:void
516 # See gdbint.texinfo. See infcall.c. New, all singing all dancing,
517 # replacement for DEPRECATED_PUSH_ARGUMENTS.
518 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
519 # PUSH_DUMMY_CALL is a direct replacement for DEPRECATED_PUSH_ARGUMENTS.
520 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
521 # DEPRECATED_USE_GENERIC_DUMMY_FRAMES can be deleted. Always true.
522 v::DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
523 # Implement PUSH_RETURN_ADDRESS, and then merge in
524 # DEPRECATED_PUSH_RETURN_ADDRESS.
525 F:2:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp
526 # Implement PUSH_DUMMY_CALL, then merge in DEPRECATED_DUMMY_WRITE_SP.
527 F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val
528 # DEPRECATED_REGISTER_SIZE can be deleted.
529 v::DEPRECATED_REGISTER_SIZE:int:deprecated_register_size
530 v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
531 F::DEPRECATED_CALL_DUMMY_ADDRESS:CORE_ADDR:deprecated_call_dummy_address:void
532 # DEPRECATED_CALL_DUMMY_START_OFFSET can be deleted.
533 v::DEPRECATED_CALL_DUMMY_START_OFFSET:CORE_ADDR:deprecated_call_dummy_start_offset
534 # DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET can be deleted.
535 v::DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:deprecated_call_dummy_breakpoint_offset
536 # DEPRECATED_CALL_DUMMY_LENGTH can be deleted.
537 v::DEPRECATED_CALL_DUMMY_LENGTH:int:deprecated_call_dummy_length
538 # DEPRECATED_CALL_DUMMY_WORDS can be deleted.
539 v::DEPRECATED_CALL_DUMMY_WORDS:LONGEST *:deprecated_call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
540 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_SIZEOF_CALL_DUMMY_WORDS.
541 v::DEPRECATED_SIZEOF_CALL_DUMMY_WORDS:int:deprecated_sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
542 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_CALL_DUMMY_STACK_ADJUST.
543 V:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust
544 # DEPRECATED_FIX_CALL_DUMMY can be deleted. For the SPARC, implement
545 # PUSH_DUMMY_CODE and set CALL_DUMMY_LOCATION to ON_STACK.
546 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
547 # This is a replacement for DEPRECATED_FIX_CALL_DUMMY et.al.
548 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
549 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_PUSH_DUMMY_FRAME.
550 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-
551 # Implement PUSH_DUMMY_CALL, then delete
552 # DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED.
553 v:2:DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED:int:deprecated_extra_stack_alignment_needed::::0:0::0:::
555 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
556 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
557 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
558 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
559 # MAP a GDB RAW register number onto a simulator register number. See
560 # also include/...-sim.h.
561 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
562 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes
563 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
564 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
565 # setjmp/longjmp support.
566 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc
567 # NOTE: cagney/2002-11-24: This function with predicate has a valid
568 # (callable) initial value. As a consequence, even when the predicate
569 # is false, the corresponding function works. This simplifies the
570 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
571 # doesn't need to be modified.
572 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
573 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
574 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
576 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
577 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
578 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
580 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
581 # For raw <-> cooked register conversions, replaced by pseudo registers.
582 f:2:DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr:::deprecated_register_convertible_not::0
583 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
584 # For raw <-> cooked register conversions, replaced by pseudo registers.
585 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
586 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
587 # For raw <-> cooked register conversions, replaced by pseudo registers.
588 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
590 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum, struct type *type:regnum, type::0:legacy_convert_register_p::0
591 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
592 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
594 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
595 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
596 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
598 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
599 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
600 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
601 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
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
608 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
609 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf
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 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
613 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
615 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
616 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
617 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
618 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
619 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
620 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
621 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
622 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
624 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
626 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
627 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
628 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
629 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
630 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
631 # note, per UNWIND_PC's doco, that while the two have similar
632 # interfaces they have very different underlying implementations.
633 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
634 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
635 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
636 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
637 # frame-base. Enable frame-base before frame-unwind.
638 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
639 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
640 # frame-base. Enable frame-base before frame-unwind.
641 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
642 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
643 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
645 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
646 # to frame_align and the requirement that methods such as
647 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
649 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
650 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
651 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
652 # stabs_argument_has_addr.
653 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
654 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
655 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
656 v:2:PARM_BOUNDARY:int:parm_boundary
658 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
659 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
660 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
661 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
662 # On some machines there are bits in addresses which are not really
663 # part of the address, but are used by the kernel, the hardware, etc.
664 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
665 # we get a "real" address such as one would find in a symbol table.
666 # This is used only for addresses of instructions, and even then I'm
667 # not sure it's used in all contexts. It exists to deal with there
668 # being a few stray bits in the PC which would mislead us, not as some
669 # sort of generic thing to handle alignment or segmentation (it's
670 # possible it should be in TARGET_READ_PC instead).
671 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
672 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
674 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
675 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
676 # the target needs software single step. An ISA method to implement it.
678 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
679 # using the breakpoint system instead of blatting memory directly (as with rs6000).
681 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
682 # single step. If not, then implement single step using breakpoints.
683 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
684 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
685 # disassembler. Perhaphs objdump can handle it?
686 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
687 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
690 # For SVR4 shared libraries, each call goes through a small piece of
691 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
692 # to nonzero if we are currently stopped in one of these.
693 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
695 # Some systems also have trampoline code for returning from shared libs.
696 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
698 # Sigtramp is a routine that the kernel calls (which then calls the
699 # signal handler). On most machines it is a library routine that is
700 # linked into the executable.
702 # This macro, given a program counter value and the name of the
703 # function in which that PC resides (which can be null if the name is
704 # not known), returns nonzero if the PC and name show that we are in
707 # On most machines just see if the name is sigtramp (and if we have
708 # no name, assume we are not in sigtramp).
710 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
711 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
712 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
713 # own local NAME lookup.
715 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
716 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
718 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
719 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
720 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
721 # A target might have problems with watchpoints as soon as the stack
722 # frame of the current function has been destroyed. This mostly happens
723 # as the first action in a funtion's epilogue. in_function_epilogue_p()
724 # is defined to return a non-zero value if either the given addr is one
725 # instruction after the stack destroying instruction up to the trailing
726 # return instruction or if we can figure out that the stack frame has
727 # already been invalidated regardless of the value of addr. Targets
728 # which don't suffer from that problem could just let this functionality
730 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
731 # Given a vector of command-line arguments, return a newly allocated
732 # string which, when passed to the create_inferior function, will be
733 # parsed (on Unix systems, by the shell) to yield the same vector.
734 # This function should call error() if the argument vector is not
735 # representable for this target or if this target does not support
736 # command-line arguments.
737 # ARGC is the number of elements in the vector.
738 # ARGV is an array of strings, one per argument.
739 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
740 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
741 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
742 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
743 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
744 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
745 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
746 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
747 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
748 # Is a register in a group
749 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
750 # Fetch the pointer to the ith function argument.
751 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
758 exec > new-gdbarch.log
759 function_list |
while do_read
762 ${class} ${macro}(${actual})
763 ${returntype} ${function} ($formal)${attrib}
767 eval echo \"\ \ \ \
${r}=\
${${r}}\"
769 if class_is_predicate_p
&& fallback_default_p
771 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
775 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
777 echo "Error: postdefault is useless when invalid_p=0" 1>&2
781 if class_is_multiarch_p
783 if class_is_predicate_p
; then :
784 elif test "x${predefault}" = "x"
786 echo "Error: pure multi-arch function must have a predefault" 1>&2
795 compare_new gdbarch.log
801 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
803 /* Dynamic architecture support for GDB, the GNU debugger.
804 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
806 This file is part of GDB.
808 This program is free software; you can redistribute it and/or modify
809 it under the terms of the GNU General Public License as published by
810 the Free Software Foundation; either version 2 of the License, or
811 (at your option) any later version.
813 This program is distributed in the hope that it will be useful,
814 but WITHOUT ANY WARRANTY; without even the implied warranty of
815 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
816 GNU General Public License for more details.
818 You should have received a copy of the GNU General Public License
819 along with this program; if not, write to the Free Software
820 Foundation, Inc., 59 Temple Place - Suite 330,
821 Boston, MA 02111-1307, USA. */
823 /* This file was created with the aid of \`\`gdbarch.sh''.
825 The Bourne shell script \`\`gdbarch.sh'' creates the files
826 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
827 against the existing \`\`gdbarch.[hc]''. Any differences found
830 If editing this file, please also run gdbarch.sh and merge any
831 changes into that script. Conversely, when making sweeping changes
832 to this file, modifying gdbarch.sh and using its output may prove
853 struct minimal_symbol;
856 struct disassemble_info;
858 extern struct gdbarch *current_gdbarch;
861 /* If any of the following are defined, the target wasn't correctly
864 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
865 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
872 printf "/* The following are pre-initialized by GDBARCH. */\n"
873 function_list |
while do_read
878 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
879 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
880 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
881 printf "#error \"Non multi-arch definition of ${macro}\"\n"
883 printf "#if !defined (${macro})\n"
884 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
892 printf "/* The following are initialized by the target dependent code. */\n"
893 function_list |
while do_read
895 if [ -n "${comment}" ]
897 echo "${comment}" |
sed \
902 if class_is_multiarch_p
904 if class_is_predicate_p
907 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
910 if class_is_predicate_p
913 printf "#if defined (${macro})\n"
914 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
915 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
916 printf "#if !defined (${macro}_P)\n"
917 printf "#define ${macro}_P() (1)\n"
921 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
922 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
923 printf "#error \"Non multi-arch definition of ${macro}\"\n"
925 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
926 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
930 if class_is_variable_p
933 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
934 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
935 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
936 printf "#error \"Non multi-arch definition of ${macro}\"\n"
938 printf "#if !defined (${macro})\n"
939 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
942 if class_is_function_p
945 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
947 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
948 elif class_is_multiarch_p
950 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
952 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
954 if [ "x${formal}" = "xvoid" ]
956 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
958 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
960 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
961 if class_is_multiarch_p
; then :
963 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
964 printf "#error \"Non multi-arch definition of ${macro}\"\n"
966 if [ "x${actual}" = "x" ]
968 d
="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
969 elif [ "x${actual}" = "x-" ]
971 d
="#define ${macro} (gdbarch_${function} (current_gdbarch))"
973 d
="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
975 printf "#if !defined (${macro})\n"
976 if [ "x${actual}" = "x" ]
978 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
979 elif [ "x${actual}" = "x-" ]
981 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
983 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
993 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
996 /* Mechanism for co-ordinating the selection of a specific
999 GDB targets (*-tdep.c) can register an interest in a specific
1000 architecture. Other GDB components can register a need to maintain
1001 per-architecture data.
1003 The mechanisms below ensures that there is only a loose connection
1004 between the set-architecture command and the various GDB
1005 components. Each component can independently register their need
1006 to maintain architecture specific data with gdbarch.
1010 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1013 The more traditional mega-struct containing architecture specific
1014 data for all the various GDB components was also considered. Since
1015 GDB is built from a variable number of (fairly independent)
1016 components it was determined that the global aproach was not
1020 /* Register a new architectural family with GDB.
1022 Register support for the specified ARCHITECTURE with GDB. When
1023 gdbarch determines that the specified architecture has been
1024 selected, the corresponding INIT function is called.
1028 The INIT function takes two parameters: INFO which contains the
1029 information available to gdbarch about the (possibly new)
1030 architecture; ARCHES which is a list of the previously created
1031 \`\`struct gdbarch'' for this architecture.
1033 The INFO parameter is, as far as possible, be pre-initialized with
1034 information obtained from INFO.ABFD or the previously selected
1037 The ARCHES parameter is a linked list (sorted most recently used)
1038 of all the previously created architures for this architecture
1039 family. The (possibly NULL) ARCHES->gdbarch can used to access
1040 values from the previously selected architecture for this
1041 architecture family. The global \`\`current_gdbarch'' shall not be
1044 The INIT function shall return any of: NULL - indicating that it
1045 doesn't recognize the selected architecture; an existing \`\`struct
1046 gdbarch'' from the ARCHES list - indicating that the new
1047 architecture is just a synonym for an earlier architecture (see
1048 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1049 - that describes the selected architecture (see gdbarch_alloc()).
1051 The DUMP_TDEP function shall print out all target specific values.
1052 Care should be taken to ensure that the function works in both the
1053 multi-arch and non- multi-arch cases. */
1057 struct gdbarch *gdbarch;
1058 struct gdbarch_list *next;
1063 /* Use default: NULL (ZERO). */
1064 const struct bfd_arch_info *bfd_arch_info;
1066 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1069 /* Use default: NULL (ZERO). */
1072 /* Use default: NULL (ZERO). */
1073 struct gdbarch_tdep_info *tdep_info;
1075 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1076 enum gdb_osabi osabi;
1079 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1080 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1082 /* DEPRECATED - use gdbarch_register() */
1083 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1085 extern void gdbarch_register (enum bfd_architecture architecture,
1086 gdbarch_init_ftype *,
1087 gdbarch_dump_tdep_ftype *);
1090 /* Return a freshly allocated, NULL terminated, array of the valid
1091 architecture names. Since architectures are registered during the
1092 _initialize phase this function only returns useful information
1093 once initialization has been completed. */
1095 extern const char **gdbarch_printable_names (void);
1098 /* Helper function. Search the list of ARCHES for a GDBARCH that
1099 matches the information provided by INFO. */
1101 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1104 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1105 basic initialization using values obtained from the INFO andTDEP
1106 parameters. set_gdbarch_*() functions are called to complete the
1107 initialization of the object. */
1109 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1112 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1113 It is assumed that the caller freeds the \`\`struct
1116 extern void gdbarch_free (struct gdbarch *);
1119 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1120 obstack. The memory is freed when the corresponding architecture
1123 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1124 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1125 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1128 /* Helper function. Force an update of the current architecture.
1130 The actual architecture selected is determined by INFO, \`\`(gdb) set
1131 architecture'' et.al., the existing architecture and BFD's default
1132 architecture. INFO should be initialized to zero and then selected
1133 fields should be updated.
1135 Returns non-zero if the update succeeds */
1137 extern int gdbarch_update_p (struct gdbarch_info info);
1141 /* Register per-architecture data-pointer.
1143 Reserve space for a per-architecture data-pointer. An identifier
1144 for the reserved data-pointer is returned. That identifer should
1145 be saved in a local static variable.
1147 The per-architecture data-pointer is either initialized explicitly
1148 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1151 Memory for the per-architecture data shall be allocated using
1152 gdbarch_obstack_zalloc. That memory will be deleted when the
1153 corresponding architecture object is deleted.
1155 When a previously created architecture is re-selected, the
1156 per-architecture data-pointer for that previous architecture is
1157 restored. INIT() is not re-called.
1159 Multiple registrarants for any architecture are allowed (and
1160 strongly encouraged). */
1162 struct gdbarch_data;
1164 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1165 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1166 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1167 struct gdbarch_data *data,
1170 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1173 /* Register per-architecture memory region.
1175 Provide a memory-region swap mechanism. Per-architecture memory
1176 region are created. These memory regions are swapped whenever the
1177 architecture is changed. For a new architecture, the memory region
1178 is initialized with zero (0) and the INIT function is called.
1180 Memory regions are swapped / initialized in the order that they are
1181 registered. NULL DATA and/or INIT values can be specified.
1183 New code should use register_gdbarch_data(). */
1185 typedef void (gdbarch_swap_ftype) (void);
1186 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1187 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1191 /* The target-system-dependent byte order is dynamic */
1193 extern int target_byte_order;
1194 #ifndef TARGET_BYTE_ORDER
1195 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1198 extern int target_byte_order_auto;
1199 #ifndef TARGET_BYTE_ORDER_AUTO
1200 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1205 /* The target-system-dependent BFD architecture is dynamic */
1207 extern int target_architecture_auto;
1208 #ifndef TARGET_ARCHITECTURE_AUTO
1209 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1212 extern const struct bfd_arch_info *target_architecture;
1213 #ifndef TARGET_ARCHITECTURE
1214 #define TARGET_ARCHITECTURE (target_architecture + 0)
1218 /* Set the dynamic target-system-dependent parameters (architecture,
1219 byte-order, ...) using information found in the BFD */
1221 extern void set_gdbarch_from_file (bfd *);
1224 /* Initialize the current architecture to the "first" one we find on
1227 extern void initialize_current_architecture (void);
1229 /* For non-multiarched targets, do any initialization of the default
1230 gdbarch object necessary after the _initialize_MODULE functions
1232 extern void initialize_non_multiarch (void);
1234 /* gdbarch trace variable */
1235 extern int gdbarch_debug;
1237 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1242 #../move-if-change new-gdbarch.h gdbarch.h
1243 compare_new gdbarch.h
1250 exec > new-gdbarch.c
1255 #include "arch-utils.h"
1258 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1261 #include "floatformat.h"
1263 #include "gdb_assert.h"
1264 #include "gdb_string.h"
1265 #include "gdb-events.h"
1266 #include "reggroups.h"
1268 #include "symfile.h" /* For entry_point_address. */
1269 #include "gdb_obstack.h"
1271 /* Static function declarations */
1273 static void verify_gdbarch (struct gdbarch *gdbarch);
1274 static void alloc_gdbarch_data (struct gdbarch *);
1275 static void init_gdbarch_swap (struct gdbarch *);
1276 static void clear_gdbarch_swap (struct gdbarch *);
1277 static void swapout_gdbarch_swap (struct gdbarch *);
1278 static void swapin_gdbarch_swap (struct gdbarch *);
1280 /* Non-zero if we want to trace architecture code. */
1282 #ifndef GDBARCH_DEBUG
1283 #define GDBARCH_DEBUG 0
1285 int gdbarch_debug = GDBARCH_DEBUG;
1289 # gdbarch open the gdbarch object
1291 printf "/* Maintain the struct gdbarch object */\n"
1293 printf "struct gdbarch\n"
1295 printf " /* Has this architecture been fully initialized? */\n"
1296 printf " int initialized_p;\n"
1298 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1299 printf " struct obstack *obstack;\n"
1301 printf " /* basic architectural information */\n"
1302 function_list |
while do_read
1306 printf " ${returntype} ${function};\n"
1310 printf " /* target specific vector. */\n"
1311 printf " struct gdbarch_tdep *tdep;\n"
1312 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1314 printf " /* per-architecture data-pointers */\n"
1315 printf " unsigned nr_data;\n"
1316 printf " void **data;\n"
1318 printf " /* per-architecture swap-regions */\n"
1319 printf " struct gdbarch_swap *swap;\n"
1322 /* Multi-arch values.
1324 When extending this structure you must:
1326 Add the field below.
1328 Declare set/get functions and define the corresponding
1331 gdbarch_alloc(): If zero/NULL is not a suitable default,
1332 initialize the new field.
1334 verify_gdbarch(): Confirm that the target updated the field
1337 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1340 \`\`startup_gdbarch()'': Append an initial value to the static
1341 variable (base values on the host's c-type system).
1343 get_gdbarch(): Implement the set/get functions (probably using
1344 the macro's as shortcuts).
1349 function_list |
while do_read
1351 if class_is_variable_p
1353 printf " ${returntype} ${function};\n"
1354 elif class_is_function_p
1356 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1361 # A pre-initialized vector
1365 /* The default architecture uses host values (for want of a better
1369 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1371 printf "struct gdbarch startup_gdbarch =\n"
1373 printf " 1, /* Always initialized. */\n"
1374 printf " NULL, /* The obstack. */\n"
1375 printf " /* basic architecture information */\n"
1376 function_list |
while do_read
1380 printf " ${staticdefault}, /* ${function} */\n"
1384 /* target specific vector and its dump routine */
1386 /*per-architecture data-pointers and swap regions */
1388 /* Multi-arch values */
1390 function_list |
while do_read
1392 if class_is_function_p || class_is_variable_p
1394 printf " ${staticdefault}, /* ${function} */\n"
1398 /* startup_gdbarch() */
1401 struct gdbarch *current_gdbarch = &startup_gdbarch;
1403 /* Do any initialization needed for a non-multiarch configuration
1404 after the _initialize_MODULE functions have been run. */
1406 initialize_non_multiarch (void)
1408 alloc_gdbarch_data (&startup_gdbarch);
1409 /* Ensure that all swap areas are zeroed so that they again think
1410 they are starting from scratch. */
1411 clear_gdbarch_swap (&startup_gdbarch);
1412 init_gdbarch_swap (&startup_gdbarch);
1416 # Create a new gdbarch struct
1420 /* Create a new \`\`struct gdbarch'' based on information provided by
1421 \`\`struct gdbarch_info''. */
1426 gdbarch_alloc (const struct gdbarch_info *info,
1427 struct gdbarch_tdep *tdep)
1429 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1430 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1431 the current local architecture and not the previous global
1432 architecture. This ensures that the new architectures initial
1433 values are not influenced by the previous architecture. Once
1434 everything is parameterised with gdbarch, this will go away. */
1435 struct gdbarch *current_gdbarch;
1437 /* Create an obstack for allocating all the per-architecture memory,
1438 then use that to allocate the architecture vector. */
1439 struct obstack *obstack = XMALLOC (struct obstack);
1440 obstack_init (obstack);
1441 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1442 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1443 current_gdbarch->obstack = obstack;
1445 alloc_gdbarch_data (current_gdbarch);
1447 current_gdbarch->tdep = tdep;
1450 function_list |
while do_read
1454 printf " current_gdbarch->${function} = info->${function};\n"
1458 printf " /* Force the explicit initialization of these. */\n"
1459 function_list |
while do_read
1461 if class_is_function_p || class_is_variable_p
1463 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1465 printf " current_gdbarch->${function} = ${predefault};\n"
1470 /* gdbarch_alloc() */
1472 return current_gdbarch;
1476 # Free a gdbarch struct.
1480 /* Allocate extra space using the per-architecture obstack. */
1483 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1485 void *data = obstack_alloc (arch->obstack, size);
1486 memset (data, 0, size);
1491 /* Free a gdbarch struct. This should never happen in normal
1492 operation --- once you've created a gdbarch, you keep it around.
1493 However, if an architecture's init function encounters an error
1494 building the structure, it may need to clean up a partially
1495 constructed gdbarch. */
1498 gdbarch_free (struct gdbarch *arch)
1500 struct obstack *obstack;
1501 gdb_assert (arch != NULL);
1502 gdb_assert (!arch->initialized_p);
1503 obstack = arch->obstack;
1504 obstack_free (obstack, 0); /* Includes the ARCH. */
1509 # verify a new architecture
1512 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1516 verify_gdbarch (struct gdbarch *gdbarch)
1518 struct ui_file *log;
1519 struct cleanup *cleanups;
1522 log = mem_fileopen ();
1523 cleanups = make_cleanup_ui_file_delete (log);
1525 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1526 fprintf_unfiltered (log, "\n\tbyte-order");
1527 if (gdbarch->bfd_arch_info == NULL)
1528 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1529 /* Check those that need to be defined for the given multi-arch level. */
1531 function_list |
while do_read
1533 if class_is_function_p || class_is_variable_p
1535 if [ "x${invalid_p}" = "x0" ]
1537 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1538 elif class_is_predicate_p
1540 printf " /* Skip verify of ${function}, has predicate */\n"
1541 # FIXME: See do_read for potential simplification
1542 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1544 printf " if (${invalid_p})\n"
1545 printf " gdbarch->${function} = ${postdefault};\n"
1546 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1548 printf " if (gdbarch->${function} == ${predefault})\n"
1549 printf " gdbarch->${function} = ${postdefault};\n"
1550 elif [ -n "${postdefault}" ]
1552 printf " if (gdbarch->${function} == 0)\n"
1553 printf " gdbarch->${function} = ${postdefault};\n"
1554 elif [ -n "${invalid_p}" ]
1556 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1557 printf " && (${invalid_p}))\n"
1558 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1559 elif [ -n "${predefault}" ]
1561 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1562 printf " && (gdbarch->${function} == ${predefault}))\n"
1563 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1568 buf = ui_file_xstrdup (log, &dummy);
1569 make_cleanup (xfree, buf);
1570 if (strlen (buf) > 0)
1571 internal_error (__FILE__, __LINE__,
1572 "verify_gdbarch: the following are invalid ...%s",
1574 do_cleanups (cleanups);
1578 # dump the structure
1582 /* Print out the details of the current architecture. */
1584 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1585 just happens to match the global variable \`\`current_gdbarch''. That
1586 way macros refering to that variable get the local and not the global
1587 version - ulgh. Once everything is parameterised with gdbarch, this
1591 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1593 fprintf_unfiltered (file,
1594 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1597 function_list |
sort -t: -k 3 |
while do_read
1599 # First the predicate
1600 if class_is_predicate_p
1602 if class_is_multiarch_p
1604 printf " fprintf_unfiltered (file,\n"
1605 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1606 printf " gdbarch_${function}_p (current_gdbarch));\n"
1608 printf "#ifdef ${macro}_P\n"
1609 printf " fprintf_unfiltered (file,\n"
1610 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1611 printf " \"${macro}_P()\",\n"
1612 printf " XSTRING (${macro}_P ()));\n"
1613 printf " fprintf_unfiltered (file,\n"
1614 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1615 printf " ${macro}_P ());\n"
1619 # multiarch functions don't have macros.
1620 if class_is_multiarch_p
1622 printf " fprintf_unfiltered (file,\n"
1623 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1624 printf " (long) current_gdbarch->${function});\n"
1627 # Print the macro definition.
1628 printf "#ifdef ${macro}\n"
1629 if class_is_function_p
1631 printf " fprintf_unfiltered (file,\n"
1632 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1633 printf " \"${macro}(${actual})\",\n"
1634 printf " XSTRING (${macro} (${actual})));\n"
1636 printf " fprintf_unfiltered (file,\n"
1637 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1638 printf " XSTRING (${macro}));\n"
1640 if [ "x${print_p}" = "x()" ]
1642 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1643 elif [ "x${print_p}" = "x0" ]
1645 printf " /* skip print of ${macro}, print_p == 0. */\n"
1646 elif [ -n "${print_p}" ]
1648 printf " if (${print_p})\n"
1649 printf " fprintf_unfiltered (file,\n"
1650 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1651 printf " ${print});\n"
1652 elif class_is_function_p
1654 printf " fprintf_unfiltered (file,\n"
1655 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1656 printf " (long) current_gdbarch->${function}\n"
1657 printf " /*${macro} ()*/);\n"
1659 printf " fprintf_unfiltered (file,\n"
1660 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1661 printf " ${print});\n"
1666 if (current_gdbarch->dump_tdep != NULL)
1667 current_gdbarch->dump_tdep (current_gdbarch, file);
1675 struct gdbarch_tdep *
1676 gdbarch_tdep (struct gdbarch *gdbarch)
1678 if (gdbarch_debug >= 2)
1679 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1680 return gdbarch->tdep;
1684 function_list |
while do_read
1686 if class_is_predicate_p
1690 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1692 printf " gdb_assert (gdbarch != NULL);\n"
1693 printf " return ${predicate};\n"
1696 if class_is_function_p
1699 printf "${returntype}\n"
1700 if [ "x${formal}" = "xvoid" ]
1702 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1704 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1707 printf " gdb_assert (gdbarch != NULL);\n"
1708 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1709 if class_is_predicate_p
&& test -n "${predefault}"
1711 # Allow a call to a function with a predicate.
1712 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1714 printf " if (gdbarch_debug >= 2)\n"
1715 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1716 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1718 if class_is_multiarch_p
1725 if class_is_multiarch_p
1727 params
="gdbarch, ${actual}"
1732 if [ "x${returntype}" = "xvoid" ]
1734 printf " gdbarch->${function} (${params});\n"
1736 printf " return gdbarch->${function} (${params});\n"
1741 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1742 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1744 printf " gdbarch->${function} = ${function};\n"
1746 elif class_is_variable_p
1749 printf "${returntype}\n"
1750 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1752 printf " gdb_assert (gdbarch != NULL);\n"
1753 if [ "x${invalid_p}" = "x0" ]
1755 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1756 elif [ -n "${invalid_p}" ]
1758 printf " /* Check variable is valid. */\n"
1759 printf " gdb_assert (!(${invalid_p}));\n"
1760 elif [ -n "${predefault}" ]
1762 printf " /* Check variable changed from pre-default. */\n"
1763 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1765 printf " if (gdbarch_debug >= 2)\n"
1766 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1767 printf " return gdbarch->${function};\n"
1771 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1772 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1774 printf " gdbarch->${function} = ${function};\n"
1776 elif class_is_info_p
1779 printf "${returntype}\n"
1780 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1782 printf " gdb_assert (gdbarch != NULL);\n"
1783 printf " if (gdbarch_debug >= 2)\n"
1784 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1785 printf " return gdbarch->${function};\n"
1790 # All the trailing guff
1794 /* Keep a registry of per-architecture data-pointers required by GDB
1801 gdbarch_data_init_ftype *init;
1804 struct gdbarch_data_registration
1806 struct gdbarch_data *data;
1807 struct gdbarch_data_registration *next;
1810 struct gdbarch_data_registry
1813 struct gdbarch_data_registration *registrations;
1816 struct gdbarch_data_registry gdbarch_data_registry =
1821 struct gdbarch_data *
1822 register_gdbarch_data (gdbarch_data_init_ftype *init)
1824 struct gdbarch_data_registration **curr;
1825 /* Append the new registraration. */
1826 for (curr = &gdbarch_data_registry.registrations;
1828 curr = &(*curr)->next);
1829 (*curr) = XMALLOC (struct gdbarch_data_registration);
1830 (*curr)->next = NULL;
1831 (*curr)->data = XMALLOC (struct gdbarch_data);
1832 (*curr)->data->index = gdbarch_data_registry.nr++;
1833 (*curr)->data->init = init;
1834 (*curr)->data->init_p = 1;
1835 return (*curr)->data;
1839 /* Create/delete the gdbarch data vector. */
1842 alloc_gdbarch_data (struct gdbarch *gdbarch)
1844 gdb_assert (gdbarch->data == NULL);
1845 gdbarch->nr_data = gdbarch_data_registry.nr;
1846 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1849 /* Initialize the current value of the specified per-architecture
1853 set_gdbarch_data (struct gdbarch *gdbarch,
1854 struct gdbarch_data *data,
1857 gdb_assert (data->index < gdbarch->nr_data);
1858 gdb_assert (gdbarch->data[data->index] == NULL);
1859 gdbarch->data[data->index] = pointer;
1862 /* Return the current value of the specified per-architecture
1866 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1868 gdb_assert (data->index < gdbarch->nr_data);
1869 /* The data-pointer isn't initialized, call init() to get a value but
1870 only if the architecture initializaiton has completed. Otherwise
1871 punt - hope that the caller knows what they are doing. */
1872 if (gdbarch->data[data->index] == NULL
1873 && gdbarch->initialized_p)
1875 /* Be careful to detect an initialization cycle. */
1876 gdb_assert (data->init_p);
1878 gdb_assert (data->init != NULL);
1879 gdbarch->data[data->index] = data->init (gdbarch);
1881 gdb_assert (gdbarch->data[data->index] != NULL);
1883 return gdbarch->data[data->index];
1888 /* Keep a registry of swapped data required by GDB modules. */
1893 struct gdbarch_swap_registration *source;
1894 struct gdbarch_swap *next;
1897 struct gdbarch_swap_registration
1900 unsigned long sizeof_data;
1901 gdbarch_swap_ftype *init;
1902 struct gdbarch_swap_registration *next;
1905 struct gdbarch_swap_registry
1908 struct gdbarch_swap_registration *registrations;
1911 struct gdbarch_swap_registry gdbarch_swap_registry =
1917 register_gdbarch_swap (void *data,
1918 unsigned long sizeof_data,
1919 gdbarch_swap_ftype *init)
1921 struct gdbarch_swap_registration **rego;
1922 for (rego = &gdbarch_swap_registry.registrations;
1924 rego = &(*rego)->next);
1925 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1926 (*rego)->next = NULL;
1927 (*rego)->init = init;
1928 (*rego)->data = data;
1929 (*rego)->sizeof_data = sizeof_data;
1933 clear_gdbarch_swap (struct gdbarch *gdbarch)
1935 struct gdbarch_swap *curr;
1936 for (curr = gdbarch->swap;
1940 memset (curr->source->data, 0, curr->source->sizeof_data);
1945 init_gdbarch_swap (struct gdbarch *gdbarch)
1947 struct gdbarch_swap_registration *rego;
1948 struct gdbarch_swap **curr = &gdbarch->swap;
1949 for (rego = gdbarch_swap_registry.registrations;
1953 if (rego->data != NULL)
1955 (*curr) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdbarch_swap);
1956 (*curr)->source = rego;
1957 (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
1958 (*curr)->next = NULL;
1959 curr = &(*curr)->next;
1961 if (rego->init != NULL)
1967 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1969 struct gdbarch_swap *curr;
1970 for (curr = gdbarch->swap;
1973 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1977 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1979 struct gdbarch_swap *curr;
1980 for (curr = gdbarch->swap;
1983 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1987 /* Keep a registry of the architectures known by GDB. */
1989 struct gdbarch_registration
1991 enum bfd_architecture bfd_architecture;
1992 gdbarch_init_ftype *init;
1993 gdbarch_dump_tdep_ftype *dump_tdep;
1994 struct gdbarch_list *arches;
1995 struct gdbarch_registration *next;
1998 static struct gdbarch_registration *gdbarch_registry = NULL;
2001 append_name (const char ***buf, int *nr, const char *name)
2003 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2009 gdbarch_printable_names (void)
2011 /* Accumulate a list of names based on the registed list of
2013 enum bfd_architecture a;
2015 const char **arches = NULL;
2016 struct gdbarch_registration *rego;
2017 for (rego = gdbarch_registry;
2021 const struct bfd_arch_info *ap;
2022 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2024 internal_error (__FILE__, __LINE__,
2025 "gdbarch_architecture_names: multi-arch unknown");
2028 append_name (&arches, &nr_arches, ap->printable_name);
2033 append_name (&arches, &nr_arches, NULL);
2039 gdbarch_register (enum bfd_architecture bfd_architecture,
2040 gdbarch_init_ftype *init,
2041 gdbarch_dump_tdep_ftype *dump_tdep)
2043 struct gdbarch_registration **curr;
2044 const struct bfd_arch_info *bfd_arch_info;
2045 /* Check that BFD recognizes this architecture */
2046 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2047 if (bfd_arch_info == NULL)
2049 internal_error (__FILE__, __LINE__,
2050 "gdbarch: Attempt to register unknown architecture (%d)",
2053 /* Check that we haven't seen this architecture before */
2054 for (curr = &gdbarch_registry;
2056 curr = &(*curr)->next)
2058 if (bfd_architecture == (*curr)->bfd_architecture)
2059 internal_error (__FILE__, __LINE__,
2060 "gdbarch: Duplicate registraration of architecture (%s)",
2061 bfd_arch_info->printable_name);
2065 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2066 bfd_arch_info->printable_name,
2069 (*curr) = XMALLOC (struct gdbarch_registration);
2070 (*curr)->bfd_architecture = bfd_architecture;
2071 (*curr)->init = init;
2072 (*curr)->dump_tdep = dump_tdep;
2073 (*curr)->arches = NULL;
2074 (*curr)->next = NULL;
2078 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2079 gdbarch_init_ftype *init)
2081 gdbarch_register (bfd_architecture, init, NULL);
2085 /* Look for an architecture using gdbarch_info. Base search on only
2086 BFD_ARCH_INFO and BYTE_ORDER. */
2088 struct gdbarch_list *
2089 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2090 const struct gdbarch_info *info)
2092 for (; arches != NULL; arches = arches->next)
2094 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2096 if (info->byte_order != arches->gdbarch->byte_order)
2098 if (info->osabi != arches->gdbarch->osabi)
2106 /* Update the current architecture. Return ZERO if the update request
2110 gdbarch_update_p (struct gdbarch_info info)
2112 struct gdbarch *new_gdbarch;
2113 struct gdbarch *old_gdbarch;
2114 struct gdbarch_registration *rego;
2116 /* Fill in missing parts of the INFO struct using a number of
2117 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2119 /* \`\`(gdb) set architecture ...'' */
2120 if (info.bfd_arch_info == NULL
2121 && !TARGET_ARCHITECTURE_AUTO)
2122 info.bfd_arch_info = TARGET_ARCHITECTURE;
2123 if (info.bfd_arch_info == NULL
2124 && info.abfd != NULL
2125 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2126 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2127 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2128 if (info.bfd_arch_info == NULL)
2129 info.bfd_arch_info = TARGET_ARCHITECTURE;
2131 /* \`\`(gdb) set byte-order ...'' */
2132 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2133 && !TARGET_BYTE_ORDER_AUTO)
2134 info.byte_order = TARGET_BYTE_ORDER;
2135 /* From the INFO struct. */
2136 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2137 && info.abfd != NULL)
2138 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2139 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2140 : BFD_ENDIAN_UNKNOWN);
2141 /* From the current target. */
2142 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2143 info.byte_order = TARGET_BYTE_ORDER;
2145 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2146 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2147 info.osabi = gdbarch_lookup_osabi (info.abfd);
2148 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2149 info.osabi = current_gdbarch->osabi;
2151 /* Must have found some sort of architecture. */
2152 gdb_assert (info.bfd_arch_info != NULL);
2156 fprintf_unfiltered (gdb_stdlog,
2157 "gdbarch_update: info.bfd_arch_info %s\n",
2158 (info.bfd_arch_info != NULL
2159 ? info.bfd_arch_info->printable_name
2161 fprintf_unfiltered (gdb_stdlog,
2162 "gdbarch_update: info.byte_order %d (%s)\n",
2164 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2165 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2167 fprintf_unfiltered (gdb_stdlog,
2168 "gdbarch_update: info.osabi %d (%s)\n",
2169 info.osabi, gdbarch_osabi_name (info.osabi));
2170 fprintf_unfiltered (gdb_stdlog,
2171 "gdbarch_update: info.abfd 0x%lx\n",
2173 fprintf_unfiltered (gdb_stdlog,
2174 "gdbarch_update: info.tdep_info 0x%lx\n",
2175 (long) info.tdep_info);
2178 /* Find the target that knows about this architecture. */
2179 for (rego = gdbarch_registry;
2182 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2187 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2191 /* Swap the data belonging to the old target out setting the
2192 installed data to zero. This stops the ->init() function trying
2193 to refer to the previous architecture's global data structures. */
2194 swapout_gdbarch_swap (current_gdbarch);
2195 clear_gdbarch_swap (current_gdbarch);
2197 /* Save the previously selected architecture, setting the global to
2198 NULL. This stops ->init() trying to use the previous
2199 architecture's configuration. The previous architecture may not
2200 even be of the same architecture family. The most recent
2201 architecture of the same family is found at the head of the
2202 rego->arches list. */
2203 old_gdbarch = current_gdbarch;
2204 current_gdbarch = NULL;
2206 /* Ask the target for a replacement architecture. */
2207 new_gdbarch = rego->init (info, rego->arches);
2209 /* Did the target like it? No. Reject the change and revert to the
2210 old architecture. */
2211 if (new_gdbarch == NULL)
2214 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2215 swapin_gdbarch_swap (old_gdbarch);
2216 current_gdbarch = old_gdbarch;
2220 /* Did the architecture change? No. Oops, put the old architecture
2222 if (old_gdbarch == new_gdbarch)
2225 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2227 new_gdbarch->bfd_arch_info->printable_name);
2228 swapin_gdbarch_swap (old_gdbarch);
2229 current_gdbarch = old_gdbarch;
2233 /* Is this a pre-existing architecture? Yes. Move it to the front
2234 of the list of architectures (keeping the list sorted Most
2235 Recently Used) and then copy it in. */
2237 struct gdbarch_list **list;
2238 for (list = ®o->arches;
2240 list = &(*list)->next)
2242 if ((*list)->gdbarch == new_gdbarch)
2244 struct gdbarch_list *this;
2246 fprintf_unfiltered (gdb_stdlog,
2247 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2249 new_gdbarch->bfd_arch_info->printable_name);
2252 (*list) = this->next;
2253 /* Insert in the front. */
2254 this->next = rego->arches;
2255 rego->arches = this;
2256 /* Copy the new architecture in. */
2257 current_gdbarch = new_gdbarch;
2258 swapin_gdbarch_swap (new_gdbarch);
2259 architecture_changed_event ();
2265 /* Prepend this new architecture to the architecture list (keep the
2266 list sorted Most Recently Used). */
2268 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2269 this->next = rego->arches;
2270 this->gdbarch = new_gdbarch;
2271 rego->arches = this;
2274 /* Switch to this new architecture marking it initialized. */
2275 current_gdbarch = new_gdbarch;
2276 current_gdbarch->initialized_p = 1;
2279 fprintf_unfiltered (gdb_stdlog,
2280 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2282 new_gdbarch->bfd_arch_info->printable_name);
2285 /* Check that the newly installed architecture is valid. Plug in
2286 any post init values. */
2287 new_gdbarch->dump_tdep = rego->dump_tdep;
2288 verify_gdbarch (new_gdbarch);
2290 /* Initialize the per-architecture memory (swap) areas.
2291 CURRENT_GDBARCH must be update before these modules are
2293 init_gdbarch_swap (new_gdbarch);
2295 /* Initialize the per-architecture data. CURRENT_GDBARCH
2296 must be updated before these modules are called. */
2297 architecture_changed_event ();
2300 gdbarch_dump (current_gdbarch, gdb_stdlog);
2306 extern void _initialize_gdbarch (void);
2309 _initialize_gdbarch (void)
2311 struct cmd_list_element *c;
2313 add_show_from_set (add_set_cmd ("arch",
2316 (char *)&gdbarch_debug,
2317 "Set architecture debugging.\\n\\
2318 When non-zero, architecture debugging is enabled.", &setdebuglist),
2320 c = add_set_cmd ("archdebug",
2323 (char *)&gdbarch_debug,
2324 "Set architecture debugging.\\n\\
2325 When non-zero, architecture debugging is enabled.", &setlist);
2327 deprecate_cmd (c, "set debug arch");
2328 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2334 #../move-if-change new-gdbarch.c gdbarch.c
2335 compare_new gdbarch.c