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 ;;
97 # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
98 # multi-arch defaults.
99 # test "${predefault}" || predefault=0
101 # come up with a format, use a few guesses for variables
102 case ":${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 "${predefault}" -a "${predefault}" != "0"
124 #invalid_p="gdbarch->${function} == ${predefault}"
125 predicate
="gdbarch->${function} != ${predefault}"
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::0:generic_target_read_pc::0
430 f:2:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
431 # This is simply not needed. See value_of_builtin_frame_fp_reg and
432 # call_function_by_hand.
433 F::DEPRECATED_TARGET_READ_FP:CORE_ADDR:deprecated_target_read_fp:void
434 f:2:TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
435 # The dummy call frame SP should be set by push_dummy_call.
436 F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val
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 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
456 # This is simply not needed. See value_of_builtin_frame_fp_reg and
457 # call_function_by_hand.
458 v:2:DEPRECATED_FP_REGNUM:int:deprecated_fp_regnum::::-1:-1::0
459 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
460 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
461 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
462 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
463 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
464 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
465 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
466 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
467 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
468 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
469 # Convert from an sdb register number to an internal gdb register number.
470 # This should be defined in tm.h, if REGISTER_NAMES is not set up
471 # to map one to one onto the sdb register numbers.
472 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
473 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
474 f:2:REGISTER_NAME:const char *:register_name:int regnr:regnr:::legacy_register_name::0
475 v:2:REGISTER_SIZE:int:register_size::::0:-1
476 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
477 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte::0
478 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
479 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
480 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
482 f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
483 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
484 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
485 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
487 V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
488 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
489 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
490 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
492 f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
493 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
494 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
495 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
497 V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
498 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
499 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
500 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE have all being replaced
502 F:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
503 M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr::0:
505 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
506 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
507 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
508 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
509 # MAP a GDB RAW register number onto a simulator register number. See
510 # also include/...-sim.h.
511 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
512 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
513 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
514 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
515 # setjmp/longjmp support.
516 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc::0:0
518 # Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
519 # much better but at least they are vaguely consistent). The headers
520 # and body contain convoluted #if/#else sequences for determine how
521 # things should be compiled. Instead of trying to mimic that
522 # behaviour here (and hence entrench it further) gdbarch simply
523 # reqires that these methods be set up from the word go. This also
524 # avoids any potential problems with moving beyond multi-arch partial.
525 v::DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
526 v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
527 f::CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void::::entry_point_address::0
528 v::CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset
529 v::CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset
530 v::CALL_DUMMY_LENGTH:int:call_dummy_length
531 # NOTE: cagney/2002-11-24: This function with predicate has a valid
532 # (callable) initial value. As a consequence, even when the predicate
533 # is false, the corresponding function works. This simplifies the
534 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
535 # doesn't need to be modified.
536 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
537 v::CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
538 v::SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
539 V:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust::::0
540 F::FIX_CALL_DUMMY:void: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 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
542 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
544 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
545 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
546 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
548 f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
549 f:2:REGISTER_CONVERT_TO_VIRTUAL:void:register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0::0
550 f:2:REGISTER_CONVERT_TO_RAW:void:register_convert_to_raw:struct type *type, int regnum, char *from, char *to:type, regnum, from, to:::0::0
552 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
553 f:1:REGISTER_TO_VALUE:void:register_to_value:int regnum, struct type *type, char *from, char *to:regnum, type, from, to::0:legacy_register_to_value::0
554 f:1:VALUE_TO_REGISTER:void:value_to_register:struct type *type, int regnum, char *from, char *to:type, regnum, from, to::0:legacy_value_to_register::0
556 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
557 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
558 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
560 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
561 # Replaced by PUSH_DUMMY_CALL
562 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
563 M::PUSH_DUMMY_CALL:CORE_ADDR:push_dummy_call:struct regcache *regcache, CORE_ADDR dummy_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:regcache, dummy_addr, nargs, args, sp, struct_return, struct_addr
564 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-:::0
565 # NOTE: This can be handled directly in push_dummy_call.
566 F:2:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
567 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-:::0
568 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
569 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
571 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
572 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
573 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
574 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
576 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache:::0
577 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf:::0
578 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
580 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame:::0
581 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
583 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
584 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
585 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
586 f:2:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
587 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
588 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
589 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
590 f:2:PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
591 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
593 f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address::0
595 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
596 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
597 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame::0:0
598 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
599 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
600 # note, per UNWIND_PC's doco, that while the two have similar
601 # interfaces they have very different underlying implementations.
602 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi::0:0
603 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame:
604 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:get_frame_base::0
605 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:get_frame_base::0
606 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
607 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
609 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
610 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
611 # NOTE: cagney/2003-03-24: This is better handled by PUSH_ARGUMENTS.
612 v:2:DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED:int:deprecated_extra_stack_alignment_needed::::0:0::0:::
613 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
614 # FIXME: kettenis/2003-03-08: This should be replaced by a function
615 # parametrized with (at least) the regcache.
616 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
617 M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info::0:0
618 v:2:PARM_BOUNDARY:int:parm_boundary
620 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
621 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
622 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
623 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
624 # On some machines there are bits in addresses which are not really
625 # part of the address, but are used by the kernel, the hardware, etc.
626 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
627 # we get a "real" address such as one would find in a symbol table.
628 # This is used only for addresses of instructions, and even then I'm
629 # not sure it's used in all contexts. It exists to deal with there
630 # being a few stray bits in the PC which would mislead us, not as some
631 # sort of generic thing to handle alignment or segmentation (it's
632 # possible it should be in TARGET_READ_PC instead).
633 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
634 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
636 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
637 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
638 # the target needs software single step. An ISA method to implement it.
640 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
641 # using the breakpoint system instead of blatting memory directly (as with rs6000).
643 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
644 # single step. If not, then implement single step using breakpoints.
645 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
646 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
647 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
650 # For SVR4 shared libraries, each call goes through a small piece of
651 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
652 # to nonzero if we are currently stopped in one of these.
653 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
655 # Some systems also have trampoline code for returning from shared libs.
656 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
658 # Sigtramp is a routine that the kernel calls (which then calls the
659 # signal handler). On most machines it is a library routine that is
660 # linked into the executable.
662 # This macro, given a program counter value and the name of the
663 # function in which that PC resides (which can be null if the name is
664 # not known), returns nonzero if the PC and name show that we are in
667 # On most machines just see if the name is sigtramp (and if we have
668 # no name, assume we are not in sigtramp).
670 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
671 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
672 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
673 # own local NAME lookup.
675 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
676 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
678 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
679 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
680 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
681 # A target might have problems with watchpoints as soon as the stack
682 # frame of the current function has been destroyed. This mostly happens
683 # as the first action in a funtion's epilogue. in_function_epilogue_p()
684 # is defined to return a non-zero value if either the given addr is one
685 # instruction after the stack destroying instruction up to the trailing
686 # return instruction or if we can figure out that the stack frame has
687 # already been invalidated regardless of the value of addr. Targets
688 # which don't suffer from that problem could just let this functionality
690 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
691 # Given a vector of command-line arguments, return a newly allocated
692 # string which, when passed to the create_inferior function, will be
693 # parsed (on Unix systems, by the shell) to yield the same vector.
694 # This function should call error() if the argument vector is not
695 # representable for this target or if this target does not support
696 # command-line arguments.
697 # ARGC is the number of elements in the vector.
698 # ARGV is an array of strings, one per argument.
699 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
700 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
701 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
702 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
703 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
704 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
705 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
706 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
707 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags:
708 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
709 # Is a register in a group
710 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
717 exec > new-gdbarch.log
718 function_list |
while do_read
721 ${class} ${macro}(${actual})
722 ${returntype} ${function} ($formal)${attrib}
726 eval echo \"\ \ \ \
${r}=\
${${r}}\"
728 if class_is_predicate_p
&& fallback_default_p
730 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
734 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
736 echo "Error: postdefault is useless when invalid_p=0" 1>&2
740 if class_is_multiarch_p
742 if class_is_predicate_p
; then :
743 elif test "x${predefault}" = "x"
745 echo "Error: pure multi-arch function must have a predefault" 1>&2
754 compare_new gdbarch.log
760 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
762 /* Dynamic architecture support for GDB, the GNU debugger.
763 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
765 This file is part of GDB.
767 This program is free software; you can redistribute it and/or modify
768 it under the terms of the GNU General Public License as published by
769 the Free Software Foundation; either version 2 of the License, or
770 (at your option) any later version.
772 This program is distributed in the hope that it will be useful,
773 but WITHOUT ANY WARRANTY; without even the implied warranty of
774 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
775 GNU General Public License for more details.
777 You should have received a copy of the GNU General Public License
778 along with this program; if not, write to the Free Software
779 Foundation, Inc., 59 Temple Place - Suite 330,
780 Boston, MA 02111-1307, USA. */
782 /* This file was created with the aid of \`\`gdbarch.sh''.
784 The Bourne shell script \`\`gdbarch.sh'' creates the files
785 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
786 against the existing \`\`gdbarch.[hc]''. Any differences found
789 If editing this file, please also run gdbarch.sh and merge any
790 changes into that script. Conversely, when making sweeping changes
791 to this file, modifying gdbarch.sh and using its output may prove
807 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
809 /* Pull in function declarations refered to, indirectly, via macros. */
810 #include "inferior.h" /* For unsigned_address_to_pointer(). */
811 #include "symfile.h" /* For entry_point_address(). */
819 struct minimal_symbol;
823 extern struct gdbarch *current_gdbarch;
826 /* If any of the following are defined, the target wasn't correctly
829 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
830 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
837 printf "/* The following are pre-initialized by GDBARCH. */\n"
838 function_list |
while do_read
843 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
844 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
845 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
846 printf "#error \"Non multi-arch definition of ${macro}\"\n"
848 printf "#if GDB_MULTI_ARCH\n"
849 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
850 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
859 printf "/* The following are initialized by the target dependent code. */\n"
860 function_list |
while do_read
862 if [ -n "${comment}" ]
864 echo "${comment}" |
sed \
869 if class_is_multiarch_p
871 if class_is_predicate_p
874 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
877 if class_is_predicate_p
880 printf "#if defined (${macro})\n"
881 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
882 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
883 printf "#if !defined (${macro}_P)\n"
884 printf "#define ${macro}_P() (1)\n"
888 printf "/* Default predicate for non- multi-arch targets. */\n"
889 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
890 printf "#define ${macro}_P() (0)\n"
893 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
894 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
895 printf "#error \"Non multi-arch definition of ${macro}\"\n"
897 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
898 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
902 if class_is_variable_p
904 if fallback_default_p || class_is_predicate_p
907 printf "/* Default (value) for non- multi-arch platforms. */\n"
908 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
909 echo "#define ${macro} (${fallbackdefault})" \
910 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
914 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
915 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
916 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
917 printf "#error \"Non multi-arch definition of ${macro}\"\n"
919 if test "${level}" = ""
921 printf "#if !defined (${macro})\n"
922 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
925 printf "#if GDB_MULTI_ARCH\n"
926 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
927 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
932 if class_is_function_p
934 if class_is_multiarch_p
; then :
935 elif fallback_default_p || class_is_predicate_p
938 printf "/* Default (function) for non- multi-arch platforms. */\n"
939 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
940 if [ "x${fallbackdefault}" = "x0" ]
942 if [ "x${actual}" = "x-" ]
944 printf "#define ${macro} (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
946 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
949 # FIXME: Should be passing current_gdbarch through!
950 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
951 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
956 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
958 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
959 elif class_is_multiarch_p
961 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
963 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
965 if [ "x${formal}" = "xvoid" ]
967 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
969 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
971 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
972 if class_is_multiarch_p
; then :
974 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
975 printf "#error \"Non multi-arch definition of ${macro}\"\n"
977 printf "#if GDB_MULTI_ARCH\n"
978 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
979 if [ "x${actual}" = "x" ]
981 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
982 elif [ "x${actual}" = "x-" ]
984 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
986 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
997 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1000 /* Mechanism for co-ordinating the selection of a specific
1003 GDB targets (*-tdep.c) can register an interest in a specific
1004 architecture. Other GDB components can register a need to maintain
1005 per-architecture data.
1007 The mechanisms below ensures that there is only a loose connection
1008 between the set-architecture command and the various GDB
1009 components. Each component can independently register their need
1010 to maintain architecture specific data with gdbarch.
1014 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1017 The more traditional mega-struct containing architecture specific
1018 data for all the various GDB components was also considered. Since
1019 GDB is built from a variable number of (fairly independent)
1020 components it was determined that the global aproach was not
1024 /* Register a new architectural family with GDB.
1026 Register support for the specified ARCHITECTURE with GDB. When
1027 gdbarch determines that the specified architecture has been
1028 selected, the corresponding INIT function is called.
1032 The INIT function takes two parameters: INFO which contains the
1033 information available to gdbarch about the (possibly new)
1034 architecture; ARCHES which is a list of the previously created
1035 \`\`struct gdbarch'' for this architecture.
1037 The INFO parameter is, as far as possible, be pre-initialized with
1038 information obtained from INFO.ABFD or the previously selected
1041 The ARCHES parameter is a linked list (sorted most recently used)
1042 of all the previously created architures for this architecture
1043 family. The (possibly NULL) ARCHES->gdbarch can used to access
1044 values from the previously selected architecture for this
1045 architecture family. The global \`\`current_gdbarch'' shall not be
1048 The INIT function shall return any of: NULL - indicating that it
1049 doesn't recognize the selected architecture; an existing \`\`struct
1050 gdbarch'' from the ARCHES list - indicating that the new
1051 architecture is just a synonym for an earlier architecture (see
1052 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1053 - that describes the selected architecture (see gdbarch_alloc()).
1055 The DUMP_TDEP function shall print out all target specific values.
1056 Care should be taken to ensure that the function works in both the
1057 multi-arch and non- multi-arch cases. */
1061 struct gdbarch *gdbarch;
1062 struct gdbarch_list *next;
1067 /* Use default: NULL (ZERO). */
1068 const struct bfd_arch_info *bfd_arch_info;
1070 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1073 /* Use default: NULL (ZERO). */
1076 /* Use default: NULL (ZERO). */
1077 struct gdbarch_tdep_info *tdep_info;
1079 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1080 enum gdb_osabi osabi;
1083 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1084 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1086 /* DEPRECATED - use gdbarch_register() */
1087 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1089 extern void gdbarch_register (enum bfd_architecture architecture,
1090 gdbarch_init_ftype *,
1091 gdbarch_dump_tdep_ftype *);
1094 /* Return a freshly allocated, NULL terminated, array of the valid
1095 architecture names. Since architectures are registered during the
1096 _initialize phase this function only returns useful information
1097 once initialization has been completed. */
1099 extern const char **gdbarch_printable_names (void);
1102 /* Helper function. Search the list of ARCHES for a GDBARCH that
1103 matches the information provided by INFO. */
1105 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1108 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1109 basic initialization using values obtained from the INFO andTDEP
1110 parameters. set_gdbarch_*() functions are called to complete the
1111 initialization of the object. */
1113 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1116 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1117 It is assumed that the caller freeds the \`\`struct
1120 extern void gdbarch_free (struct gdbarch *);
1123 /* Helper function. Force an update of the current architecture.
1125 The actual architecture selected is determined by INFO, \`\`(gdb) set
1126 architecture'' et.al., the existing architecture and BFD's default
1127 architecture. INFO should be initialized to zero and then selected
1128 fields should be updated.
1130 Returns non-zero if the update succeeds */
1132 extern int gdbarch_update_p (struct gdbarch_info info);
1136 /* Register per-architecture data-pointer.
1138 Reserve space for a per-architecture data-pointer. An identifier
1139 for the reserved data-pointer is returned. That identifer should
1140 be saved in a local static variable.
1142 The per-architecture data-pointer is either initialized explicitly
1143 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1144 gdbarch_data()). FREE() is called to delete either an existing
1145 data-pointer overridden by set_gdbarch_data() or when the
1146 architecture object is being deleted.
1148 When a previously created architecture is re-selected, the
1149 per-architecture data-pointer for that previous architecture is
1150 restored. INIT() is not re-called.
1152 Multiple registrarants for any architecture are allowed (and
1153 strongly encouraged). */
1155 struct gdbarch_data;
1157 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1158 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1160 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1161 gdbarch_data_free_ftype *free);
1162 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1163 struct gdbarch_data *data,
1166 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1169 /* Register per-architecture memory region.
1171 Provide a memory-region swap mechanism. Per-architecture memory
1172 region are created. These memory regions are swapped whenever the
1173 architecture is changed. For a new architecture, the memory region
1174 is initialized with zero (0) and the INIT function is called.
1176 Memory regions are swapped / initialized in the order that they are
1177 registered. NULL DATA and/or INIT values can be specified.
1179 New code should use register_gdbarch_data(). */
1181 typedef void (gdbarch_swap_ftype) (void);
1182 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1183 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1187 /* The target-system-dependent byte order is dynamic */
1189 extern int target_byte_order;
1190 #ifndef TARGET_BYTE_ORDER
1191 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1194 extern int target_byte_order_auto;
1195 #ifndef TARGET_BYTE_ORDER_AUTO
1196 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1201 /* The target-system-dependent BFD architecture is dynamic */
1203 extern int target_architecture_auto;
1204 #ifndef TARGET_ARCHITECTURE_AUTO
1205 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1208 extern const struct bfd_arch_info *target_architecture;
1209 #ifndef TARGET_ARCHITECTURE
1210 #define TARGET_ARCHITECTURE (target_architecture + 0)
1214 /* The target-system-dependent disassembler is semi-dynamic */
1216 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1217 unsigned int len, disassemble_info *info);
1219 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1220 disassemble_info *info);
1222 extern void dis_asm_print_address (bfd_vma addr,
1223 disassemble_info *info);
1225 /* Use set_gdbarch_print_insn instead. */
1226 extern int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info*);
1227 extern disassemble_info tm_print_insn_info;
1228 #ifndef TARGET_PRINT_INSN_INFO
1229 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1234 /* Set the dynamic target-system-dependent parameters (architecture,
1235 byte-order, ...) using information found in the BFD */
1237 extern void set_gdbarch_from_file (bfd *);
1240 /* Initialize the current architecture to the "first" one we find on
1243 extern void initialize_current_architecture (void);
1245 /* For non-multiarched targets, do any initialization of the default
1246 gdbarch object necessary after the _initialize_MODULE functions
1248 extern void initialize_non_multiarch (void);
1250 /* gdbarch trace variable */
1251 extern int gdbarch_debug;
1253 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1258 #../move-if-change new-gdbarch.h gdbarch.h
1259 compare_new gdbarch.h
1266 exec > new-gdbarch.c
1271 #include "arch-utils.h"
1275 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1277 /* Just include everything in sight so that the every old definition
1278 of macro is visible. */
1279 #include "gdb_string.h"
1283 #include "inferior.h"
1284 #include "breakpoint.h"
1285 #include "gdb_wait.h"
1286 #include "gdbcore.h"
1289 #include "gdbthread.h"
1290 #include "annotate.h"
1291 #include "symfile.h" /* for overlay functions */
1292 #include "value.h" /* For old tm.h/nm.h macros. */
1296 #include "floatformat.h"
1298 #include "gdb_assert.h"
1299 #include "gdb_string.h"
1300 #include "gdb-events.h"
1301 #include "reggroups.h"
1303 #include "symfile.h" /* For entry_point_address. */
1305 /* Static function declarations */
1307 static void verify_gdbarch (struct gdbarch *gdbarch);
1308 static void alloc_gdbarch_data (struct gdbarch *);
1309 static void free_gdbarch_data (struct gdbarch *);
1310 static void init_gdbarch_swap (struct gdbarch *);
1311 static void clear_gdbarch_swap (struct gdbarch *);
1312 static void swapout_gdbarch_swap (struct gdbarch *);
1313 static void swapin_gdbarch_swap (struct gdbarch *);
1315 /* Non-zero if we want to trace architecture code. */
1317 #ifndef GDBARCH_DEBUG
1318 #define GDBARCH_DEBUG 0
1320 int gdbarch_debug = GDBARCH_DEBUG;
1324 # gdbarch open the gdbarch object
1326 printf "/* Maintain the struct gdbarch object */\n"
1328 printf "struct gdbarch\n"
1330 printf " /* Has this architecture been fully initialized? */\n"
1331 printf " int initialized_p;\n"
1332 printf " /* basic architectural information */\n"
1333 function_list |
while do_read
1337 printf " ${returntype} ${function};\n"
1341 printf " /* target specific vector. */\n"
1342 printf " struct gdbarch_tdep *tdep;\n"
1343 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1345 printf " /* per-architecture data-pointers */\n"
1346 printf " unsigned nr_data;\n"
1347 printf " void **data;\n"
1349 printf " /* per-architecture swap-regions */\n"
1350 printf " struct gdbarch_swap *swap;\n"
1353 /* Multi-arch values.
1355 When extending this structure you must:
1357 Add the field below.
1359 Declare set/get functions and define the corresponding
1362 gdbarch_alloc(): If zero/NULL is not a suitable default,
1363 initialize the new field.
1365 verify_gdbarch(): Confirm that the target updated the field
1368 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1371 \`\`startup_gdbarch()'': Append an initial value to the static
1372 variable (base values on the host's c-type system).
1374 get_gdbarch(): Implement the set/get functions (probably using
1375 the macro's as shortcuts).
1380 function_list |
while do_read
1382 if class_is_variable_p
1384 printf " ${returntype} ${function};\n"
1385 elif class_is_function_p
1387 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1392 # A pre-initialized vector
1396 /* The default architecture uses host values (for want of a better
1400 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1402 printf "struct gdbarch startup_gdbarch =\n"
1404 printf " 1, /* Always initialized. */\n"
1405 printf " /* basic architecture information */\n"
1406 function_list |
while do_read
1410 printf " ${staticdefault},\n"
1414 /* target specific vector and its dump routine */
1416 /*per-architecture data-pointers and swap regions */
1418 /* Multi-arch values */
1420 function_list |
while do_read
1422 if class_is_function_p || class_is_variable_p
1424 printf " ${staticdefault},\n"
1428 /* startup_gdbarch() */
1431 struct gdbarch *current_gdbarch = &startup_gdbarch;
1433 /* Do any initialization needed for a non-multiarch configuration
1434 after the _initialize_MODULE functions have been run. */
1436 initialize_non_multiarch (void)
1438 alloc_gdbarch_data (&startup_gdbarch);
1439 /* Ensure that all swap areas are zeroed so that they again think
1440 they are starting from scratch. */
1441 clear_gdbarch_swap (&startup_gdbarch);
1442 init_gdbarch_swap (&startup_gdbarch);
1446 # Create a new gdbarch struct
1450 /* Create a new \`\`struct gdbarch'' based on information provided by
1451 \`\`struct gdbarch_info''. */
1456 gdbarch_alloc (const struct gdbarch_info *info,
1457 struct gdbarch_tdep *tdep)
1459 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1460 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1461 the current local architecture and not the previous global
1462 architecture. This ensures that the new architectures initial
1463 values are not influenced by the previous architecture. Once
1464 everything is parameterised with gdbarch, this will go away. */
1465 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1466 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1468 alloc_gdbarch_data (current_gdbarch);
1470 current_gdbarch->tdep = tdep;
1473 function_list |
while do_read
1477 printf " current_gdbarch->${function} = info->${function};\n"
1481 printf " /* Force the explicit initialization of these. */\n"
1482 function_list |
while do_read
1484 if class_is_function_p || class_is_variable_p
1486 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1488 printf " current_gdbarch->${function} = ${predefault};\n"
1493 /* gdbarch_alloc() */
1495 return current_gdbarch;
1499 # Free a gdbarch struct.
1503 /* Free a gdbarch struct. This should never happen in normal
1504 operation --- once you've created a gdbarch, you keep it around.
1505 However, if an architecture's init function encounters an error
1506 building the structure, it may need to clean up a partially
1507 constructed gdbarch. */
1510 gdbarch_free (struct gdbarch *arch)
1512 gdb_assert (arch != NULL);
1513 free_gdbarch_data (arch);
1518 # verify a new architecture
1521 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1525 verify_gdbarch (struct gdbarch *gdbarch)
1527 struct ui_file *log;
1528 struct cleanup *cleanups;
1531 /* Only perform sanity checks on a multi-arch target. */
1532 if (!GDB_MULTI_ARCH)
1534 log = mem_fileopen ();
1535 cleanups = make_cleanup_ui_file_delete (log);
1537 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1538 fprintf_unfiltered (log, "\n\tbyte-order");
1539 if (gdbarch->bfd_arch_info == NULL)
1540 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1541 /* Check those that need to be defined for the given multi-arch level. */
1543 function_list |
while do_read
1545 if class_is_function_p || class_is_variable_p
1547 if [ "x${invalid_p}" = "x0" ]
1549 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1550 elif class_is_predicate_p
1552 printf " /* Skip verify of ${function}, has predicate */\n"
1553 # FIXME: See do_read for potential simplification
1554 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1556 printf " if (${invalid_p})\n"
1557 printf " gdbarch->${function} = ${postdefault};\n"
1558 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1560 printf " if (gdbarch->${function} == ${predefault})\n"
1561 printf " gdbarch->${function} = ${postdefault};\n"
1562 elif [ -n "${postdefault}" ]
1564 printf " if (gdbarch->${function} == 0)\n"
1565 printf " gdbarch->${function} = ${postdefault};\n"
1566 elif [ -n "${invalid_p}" ]
1568 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1569 printf " && (${invalid_p}))\n"
1570 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1571 elif [ -n "${predefault}" ]
1573 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1574 printf " && (gdbarch->${function} == ${predefault}))\n"
1575 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1580 buf = ui_file_xstrdup (log, &dummy);
1581 make_cleanup (xfree, buf);
1582 if (strlen (buf) > 0)
1583 internal_error (__FILE__, __LINE__,
1584 "verify_gdbarch: the following are invalid ...%s",
1586 do_cleanups (cleanups);
1590 # dump the structure
1594 /* Print out the details of the current architecture. */
1596 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1597 just happens to match the global variable \`\`current_gdbarch''. That
1598 way macros refering to that variable get the local and not the global
1599 version - ulgh. Once everything is parameterised with gdbarch, this
1603 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1605 fprintf_unfiltered (file,
1606 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1609 function_list |
sort -t: -k 3 |
while do_read
1611 # First the predicate
1612 if class_is_predicate_p
1614 if class_is_multiarch_p
1616 printf " if (GDB_MULTI_ARCH)\n"
1617 printf " fprintf_unfiltered (file,\n"
1618 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1619 printf " gdbarch_${function}_p (current_gdbarch));\n"
1621 printf "#ifdef ${macro}_P\n"
1622 printf " fprintf_unfiltered (file,\n"
1623 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1624 printf " \"${macro}_P()\",\n"
1625 printf " XSTRING (${macro}_P ()));\n"
1626 printf " fprintf_unfiltered (file,\n"
1627 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1628 printf " ${macro}_P ());\n"
1632 # multiarch functions don't have macros.
1633 if class_is_multiarch_p
1635 printf " if (GDB_MULTI_ARCH)\n"
1636 printf " fprintf_unfiltered (file,\n"
1637 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1638 printf " (long) current_gdbarch->${function});\n"
1641 # Print the macro definition.
1642 printf "#ifdef ${macro}\n"
1643 if [ "x${returntype}" = "xvoid" ]
1645 printf "#if GDB_MULTI_ARCH\n"
1646 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1648 if class_is_function_p
1650 printf " fprintf_unfiltered (file,\n"
1651 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1652 printf " \"${macro}(${actual})\",\n"
1653 printf " XSTRING (${macro} (${actual})));\n"
1655 printf " fprintf_unfiltered (file,\n"
1656 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1657 printf " XSTRING (${macro}));\n"
1659 # Print the architecture vector value
1660 if [ "x${returntype}" = "xvoid" ]
1664 if [ "x${print_p}" = "x()" ]
1666 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1667 elif [ "x${print_p}" = "x0" ]
1669 printf " /* skip print of ${macro}, print_p == 0. */\n"
1670 elif [ -n "${print_p}" ]
1672 printf " if (${print_p})\n"
1673 printf " fprintf_unfiltered (file,\n"
1674 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1675 printf " ${print});\n"
1676 elif class_is_function_p
1678 printf " if (GDB_MULTI_ARCH)\n"
1679 printf " fprintf_unfiltered (file,\n"
1680 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1681 printf " (long) current_gdbarch->${function}\n"
1682 printf " /*${macro} ()*/);\n"
1684 printf " fprintf_unfiltered (file,\n"
1685 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1686 printf " ${print});\n"
1691 if (current_gdbarch->dump_tdep != NULL)
1692 current_gdbarch->dump_tdep (current_gdbarch, file);
1700 struct gdbarch_tdep *
1701 gdbarch_tdep (struct gdbarch *gdbarch)
1703 if (gdbarch_debug >= 2)
1704 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1705 return gdbarch->tdep;
1709 function_list |
while do_read
1711 if class_is_predicate_p
1715 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1717 printf " gdb_assert (gdbarch != NULL);\n"
1718 if [ -n "${predicate}" ]
1720 printf " return ${predicate};\n"
1722 printf " return gdbarch->${function} != 0;\n"
1726 if class_is_function_p
1729 printf "${returntype}\n"
1730 if [ "x${formal}" = "xvoid" ]
1732 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1734 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1737 printf " gdb_assert (gdbarch != NULL);\n"
1738 printf " if (gdbarch->${function} == 0)\n"
1739 printf " internal_error (__FILE__, __LINE__,\n"
1740 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1741 if class_is_predicate_p
&& test -n "${predicate}"
1743 # Allow a call to a function with a predicate.
1744 printf " /* Ignore predicate (${predicate}). */\n"
1746 printf " if (gdbarch_debug >= 2)\n"
1747 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1748 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1750 if class_is_multiarch_p
1757 if class_is_multiarch_p
1759 params
="gdbarch, ${actual}"
1764 if [ "x${returntype}" = "xvoid" ]
1766 printf " gdbarch->${function} (${params});\n"
1768 printf " return gdbarch->${function} (${params});\n"
1773 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1774 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1776 printf " gdbarch->${function} = ${function};\n"
1778 elif class_is_variable_p
1781 printf "${returntype}\n"
1782 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1784 printf " gdb_assert (gdbarch != NULL);\n"
1785 if [ "x${invalid_p}" = "x0" ]
1787 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1788 elif [ -n "${invalid_p}" ]
1790 printf " if (${invalid_p})\n"
1791 printf " internal_error (__FILE__, __LINE__,\n"
1792 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1793 elif [ -n "${predefault}" ]
1795 printf " if (gdbarch->${function} == ${predefault})\n"
1796 printf " internal_error (__FILE__, __LINE__,\n"
1797 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1799 printf " if (gdbarch_debug >= 2)\n"
1800 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1801 printf " return gdbarch->${function};\n"
1805 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1806 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1808 printf " gdbarch->${function} = ${function};\n"
1810 elif class_is_info_p
1813 printf "${returntype}\n"
1814 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1816 printf " gdb_assert (gdbarch != NULL);\n"
1817 printf " if (gdbarch_debug >= 2)\n"
1818 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1819 printf " return gdbarch->${function};\n"
1824 # All the trailing guff
1828 /* Keep a registry of per-architecture data-pointers required by GDB
1835 gdbarch_data_init_ftype *init;
1836 gdbarch_data_free_ftype *free;
1839 struct gdbarch_data_registration
1841 struct gdbarch_data *data;
1842 struct gdbarch_data_registration *next;
1845 struct gdbarch_data_registry
1848 struct gdbarch_data_registration *registrations;
1851 struct gdbarch_data_registry gdbarch_data_registry =
1856 struct gdbarch_data *
1857 register_gdbarch_data (gdbarch_data_init_ftype *init,
1858 gdbarch_data_free_ftype *free)
1860 struct gdbarch_data_registration **curr;
1861 /* Append the new registraration. */
1862 for (curr = &gdbarch_data_registry.registrations;
1864 curr = &(*curr)->next);
1865 (*curr) = XMALLOC (struct gdbarch_data_registration);
1866 (*curr)->next = NULL;
1867 (*curr)->data = XMALLOC (struct gdbarch_data);
1868 (*curr)->data->index = gdbarch_data_registry.nr++;
1869 (*curr)->data->init = init;
1870 (*curr)->data->init_p = 1;
1871 (*curr)->data->free = free;
1872 return (*curr)->data;
1876 /* Create/delete the gdbarch data vector. */
1879 alloc_gdbarch_data (struct gdbarch *gdbarch)
1881 gdb_assert (gdbarch->data == NULL);
1882 gdbarch->nr_data = gdbarch_data_registry.nr;
1883 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1887 free_gdbarch_data (struct gdbarch *gdbarch)
1889 struct gdbarch_data_registration *rego;
1890 gdb_assert (gdbarch->data != NULL);
1891 for (rego = gdbarch_data_registry.registrations;
1895 struct gdbarch_data *data = rego->data;
1896 gdb_assert (data->index < gdbarch->nr_data);
1897 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1899 data->free (gdbarch, gdbarch->data[data->index]);
1900 gdbarch->data[data->index] = NULL;
1903 xfree (gdbarch->data);
1904 gdbarch->data = NULL;
1908 /* Initialize the current value of the specified per-architecture
1912 set_gdbarch_data (struct gdbarch *gdbarch,
1913 struct gdbarch_data *data,
1916 gdb_assert (data->index < gdbarch->nr_data);
1917 if (gdbarch->data[data->index] != NULL)
1919 gdb_assert (data->free != NULL);
1920 data->free (gdbarch, gdbarch->data[data->index]);
1922 gdbarch->data[data->index] = pointer;
1925 /* Return the current value of the specified per-architecture
1929 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1931 gdb_assert (data->index < gdbarch->nr_data);
1932 /* The data-pointer isn't initialized, call init() to get a value but
1933 only if the architecture initializaiton has completed. Otherwise
1934 punt - hope that the caller knows what they are doing. */
1935 if (gdbarch->data[data->index] == NULL
1936 && gdbarch->initialized_p)
1938 /* Be careful to detect an initialization cycle. */
1939 gdb_assert (data->init_p);
1941 gdb_assert (data->init != NULL);
1942 gdbarch->data[data->index] = data->init (gdbarch);
1944 gdb_assert (gdbarch->data[data->index] != NULL);
1946 return gdbarch->data[data->index];
1951 /* Keep a registry of swapped data required by GDB modules. */
1956 struct gdbarch_swap_registration *source;
1957 struct gdbarch_swap *next;
1960 struct gdbarch_swap_registration
1963 unsigned long sizeof_data;
1964 gdbarch_swap_ftype *init;
1965 struct gdbarch_swap_registration *next;
1968 struct gdbarch_swap_registry
1971 struct gdbarch_swap_registration *registrations;
1974 struct gdbarch_swap_registry gdbarch_swap_registry =
1980 register_gdbarch_swap (void *data,
1981 unsigned long sizeof_data,
1982 gdbarch_swap_ftype *init)
1984 struct gdbarch_swap_registration **rego;
1985 for (rego = &gdbarch_swap_registry.registrations;
1987 rego = &(*rego)->next);
1988 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1989 (*rego)->next = NULL;
1990 (*rego)->init = init;
1991 (*rego)->data = data;
1992 (*rego)->sizeof_data = sizeof_data;
1996 clear_gdbarch_swap (struct gdbarch *gdbarch)
1998 struct gdbarch_swap *curr;
1999 for (curr = gdbarch->swap;
2003 memset (curr->source->data, 0, curr->source->sizeof_data);
2008 init_gdbarch_swap (struct gdbarch *gdbarch)
2010 struct gdbarch_swap_registration *rego;
2011 struct gdbarch_swap **curr = &gdbarch->swap;
2012 for (rego = gdbarch_swap_registry.registrations;
2016 if (rego->data != NULL)
2018 (*curr) = XMALLOC (struct gdbarch_swap);
2019 (*curr)->source = rego;
2020 (*curr)->swap = xmalloc (rego->sizeof_data);
2021 (*curr)->next = NULL;
2022 curr = &(*curr)->next;
2024 if (rego->init != NULL)
2030 swapout_gdbarch_swap (struct gdbarch *gdbarch)
2032 struct gdbarch_swap *curr;
2033 for (curr = gdbarch->swap;
2036 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2040 swapin_gdbarch_swap (struct gdbarch *gdbarch)
2042 struct gdbarch_swap *curr;
2043 for (curr = gdbarch->swap;
2046 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2050 /* Keep a registry of the architectures known by GDB. */
2052 struct gdbarch_registration
2054 enum bfd_architecture bfd_architecture;
2055 gdbarch_init_ftype *init;
2056 gdbarch_dump_tdep_ftype *dump_tdep;
2057 struct gdbarch_list *arches;
2058 struct gdbarch_registration *next;
2061 static struct gdbarch_registration *gdbarch_registry = NULL;
2064 append_name (const char ***buf, int *nr, const char *name)
2066 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2072 gdbarch_printable_names (void)
2076 /* Accumulate a list of names based on the registed list of
2078 enum bfd_architecture a;
2080 const char **arches = NULL;
2081 struct gdbarch_registration *rego;
2082 for (rego = gdbarch_registry;
2086 const struct bfd_arch_info *ap;
2087 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2089 internal_error (__FILE__, __LINE__,
2090 "gdbarch_architecture_names: multi-arch unknown");
2093 append_name (&arches, &nr_arches, ap->printable_name);
2098 append_name (&arches, &nr_arches, NULL);
2102 /* Just return all the architectures that BFD knows. Assume that
2103 the legacy architecture framework supports them. */
2104 return bfd_arch_list ();
2109 gdbarch_register (enum bfd_architecture bfd_architecture,
2110 gdbarch_init_ftype *init,
2111 gdbarch_dump_tdep_ftype *dump_tdep)
2113 struct gdbarch_registration **curr;
2114 const struct bfd_arch_info *bfd_arch_info;
2115 /* Check that BFD recognizes this architecture */
2116 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2117 if (bfd_arch_info == NULL)
2119 internal_error (__FILE__, __LINE__,
2120 "gdbarch: Attempt to register unknown architecture (%d)",
2123 /* Check that we haven't seen this architecture before */
2124 for (curr = &gdbarch_registry;
2126 curr = &(*curr)->next)
2128 if (bfd_architecture == (*curr)->bfd_architecture)
2129 internal_error (__FILE__, __LINE__,
2130 "gdbarch: Duplicate registraration of architecture (%s)",
2131 bfd_arch_info->printable_name);
2135 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2136 bfd_arch_info->printable_name,
2139 (*curr) = XMALLOC (struct gdbarch_registration);
2140 (*curr)->bfd_architecture = bfd_architecture;
2141 (*curr)->init = init;
2142 (*curr)->dump_tdep = dump_tdep;
2143 (*curr)->arches = NULL;
2144 (*curr)->next = NULL;
2145 /* When non- multi-arch, install whatever target dump routine we've
2146 been provided - hopefully that routine has been written correctly
2147 and works regardless of multi-arch. */
2148 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2149 && startup_gdbarch.dump_tdep == NULL)
2150 startup_gdbarch.dump_tdep = dump_tdep;
2154 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2155 gdbarch_init_ftype *init)
2157 gdbarch_register (bfd_architecture, init, NULL);
2161 /* Look for an architecture using gdbarch_info. Base search on only
2162 BFD_ARCH_INFO and BYTE_ORDER. */
2164 struct gdbarch_list *
2165 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2166 const struct gdbarch_info *info)
2168 for (; arches != NULL; arches = arches->next)
2170 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2172 if (info->byte_order != arches->gdbarch->byte_order)
2174 if (info->osabi != arches->gdbarch->osabi)
2182 /* Update the current architecture. Return ZERO if the update request
2186 gdbarch_update_p (struct gdbarch_info info)
2188 struct gdbarch *new_gdbarch;
2189 struct gdbarch *old_gdbarch;
2190 struct gdbarch_registration *rego;
2192 /* Fill in missing parts of the INFO struct using a number of
2193 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2195 /* \`\`(gdb) set architecture ...'' */
2196 if (info.bfd_arch_info == NULL
2197 && !TARGET_ARCHITECTURE_AUTO)
2198 info.bfd_arch_info = TARGET_ARCHITECTURE;
2199 if (info.bfd_arch_info == NULL
2200 && info.abfd != NULL
2201 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2202 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2203 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2204 if (info.bfd_arch_info == NULL)
2205 info.bfd_arch_info = TARGET_ARCHITECTURE;
2207 /* \`\`(gdb) set byte-order ...'' */
2208 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2209 && !TARGET_BYTE_ORDER_AUTO)
2210 info.byte_order = TARGET_BYTE_ORDER;
2211 /* From the INFO struct. */
2212 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2213 && info.abfd != NULL)
2214 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2215 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2216 : BFD_ENDIAN_UNKNOWN);
2217 /* From the current target. */
2218 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2219 info.byte_order = TARGET_BYTE_ORDER;
2221 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2222 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2223 info.osabi = gdbarch_lookup_osabi (info.abfd);
2224 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2225 info.osabi = current_gdbarch->osabi;
2227 /* Must have found some sort of architecture. */
2228 gdb_assert (info.bfd_arch_info != NULL);
2232 fprintf_unfiltered (gdb_stdlog,
2233 "gdbarch_update: info.bfd_arch_info %s\n",
2234 (info.bfd_arch_info != NULL
2235 ? info.bfd_arch_info->printable_name
2237 fprintf_unfiltered (gdb_stdlog,
2238 "gdbarch_update: info.byte_order %d (%s)\n",
2240 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2241 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2243 fprintf_unfiltered (gdb_stdlog,
2244 "gdbarch_update: info.osabi %d (%s)\n",
2245 info.osabi, gdbarch_osabi_name (info.osabi));
2246 fprintf_unfiltered (gdb_stdlog,
2247 "gdbarch_update: info.abfd 0x%lx\n",
2249 fprintf_unfiltered (gdb_stdlog,
2250 "gdbarch_update: info.tdep_info 0x%lx\n",
2251 (long) info.tdep_info);
2254 /* Find the target that knows about this architecture. */
2255 for (rego = gdbarch_registry;
2258 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2263 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2267 /* Swap the data belonging to the old target out setting the
2268 installed data to zero. This stops the ->init() function trying
2269 to refer to the previous architecture's global data structures. */
2270 swapout_gdbarch_swap (current_gdbarch);
2271 clear_gdbarch_swap (current_gdbarch);
2273 /* Save the previously selected architecture, setting the global to
2274 NULL. This stops ->init() trying to use the previous
2275 architecture's configuration. The previous architecture may not
2276 even be of the same architecture family. The most recent
2277 architecture of the same family is found at the head of the
2278 rego->arches list. */
2279 old_gdbarch = current_gdbarch;
2280 current_gdbarch = NULL;
2282 /* Ask the target for a replacement architecture. */
2283 new_gdbarch = rego->init (info, rego->arches);
2285 /* Did the target like it? No. Reject the change and revert to the
2286 old architecture. */
2287 if (new_gdbarch == NULL)
2290 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2291 swapin_gdbarch_swap (old_gdbarch);
2292 current_gdbarch = old_gdbarch;
2296 /* Did the architecture change? No. Oops, put the old architecture
2298 if (old_gdbarch == new_gdbarch)
2301 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2303 new_gdbarch->bfd_arch_info->printable_name);
2304 swapin_gdbarch_swap (old_gdbarch);
2305 current_gdbarch = old_gdbarch;
2309 /* Is this a pre-existing architecture? Yes. Move it to the front
2310 of the list of architectures (keeping the list sorted Most
2311 Recently Used) and then copy it in. */
2313 struct gdbarch_list **list;
2314 for (list = ®o->arches;
2316 list = &(*list)->next)
2318 if ((*list)->gdbarch == new_gdbarch)
2320 struct gdbarch_list *this;
2322 fprintf_unfiltered (gdb_stdlog,
2323 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2325 new_gdbarch->bfd_arch_info->printable_name);
2328 (*list) = this->next;
2329 /* Insert in the front. */
2330 this->next = rego->arches;
2331 rego->arches = this;
2332 /* Copy the new architecture in. */
2333 current_gdbarch = new_gdbarch;
2334 swapin_gdbarch_swap (new_gdbarch);
2335 architecture_changed_event ();
2341 /* Prepend this new architecture to the architecture list (keep the
2342 list sorted Most Recently Used). */
2344 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2345 this->next = rego->arches;
2346 this->gdbarch = new_gdbarch;
2347 rego->arches = this;
2350 /* Switch to this new architecture marking it initialized. */
2351 current_gdbarch = new_gdbarch;
2352 current_gdbarch->initialized_p = 1;
2355 fprintf_unfiltered (gdb_stdlog,
2356 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2358 new_gdbarch->bfd_arch_info->printable_name);
2361 /* Check that the newly installed architecture is valid. Plug in
2362 any post init values. */
2363 new_gdbarch->dump_tdep = rego->dump_tdep;
2364 verify_gdbarch (new_gdbarch);
2366 /* Initialize the per-architecture memory (swap) areas.
2367 CURRENT_GDBARCH must be update before these modules are
2369 init_gdbarch_swap (new_gdbarch);
2371 /* Initialize the per-architecture data. CURRENT_GDBARCH
2372 must be updated before these modules are called. */
2373 architecture_changed_event ();
2376 gdbarch_dump (current_gdbarch, gdb_stdlog);
2384 /* Pointer to the target-dependent disassembly function. */
2385 int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info *);
2386 disassemble_info tm_print_insn_info;
2389 extern void _initialize_gdbarch (void);
2392 _initialize_gdbarch (void)
2394 struct cmd_list_element *c;
2396 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2397 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2398 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2399 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2400 tm_print_insn_info.print_address_func = dis_asm_print_address;
2402 add_show_from_set (add_set_cmd ("arch",
2405 (char *)&gdbarch_debug,
2406 "Set architecture debugging.\\n\\
2407 When non-zero, architecture debugging is enabled.", &setdebuglist),
2409 c = add_set_cmd ("archdebug",
2412 (char *)&gdbarch_debug,
2413 "Set architecture debugging.\\n\\
2414 When non-zero, architecture debugging is enabled.", &setlist);
2416 deprecate_cmd (c, "set debug arch");
2417 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2423 #../move-if-change new-gdbarch.c gdbarch.c
2424 compare_new gdbarch.c