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 /* Use gdb_disassemble, and gdbarch_print_insn instead. */
1217 extern int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info*);
1219 /* Use set_gdbarch_print_insn instead. */
1220 extern disassemble_info deprecated_tm_print_insn_info;
1222 /* Set the dynamic target-system-dependent parameters (architecture,
1223 byte-order, ...) using information found in the BFD */
1225 extern void set_gdbarch_from_file (bfd *);
1228 /* Initialize the current architecture to the "first" one we find on
1231 extern void initialize_current_architecture (void);
1233 /* For non-multiarched targets, do any initialization of the default
1234 gdbarch object necessary after the _initialize_MODULE functions
1236 extern void initialize_non_multiarch (void);
1238 /* gdbarch trace variable */
1239 extern int gdbarch_debug;
1241 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1246 #../move-if-change new-gdbarch.h gdbarch.h
1247 compare_new gdbarch.h
1254 exec > new-gdbarch.c
1259 #include "arch-utils.h"
1263 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1265 /* Just include everything in sight so that the every old definition
1266 of macro is visible. */
1267 #include "gdb_string.h"
1271 #include "inferior.h"
1272 #include "breakpoint.h"
1273 #include "gdb_wait.h"
1274 #include "gdbcore.h"
1277 #include "gdbthread.h"
1278 #include "annotate.h"
1279 #include "symfile.h" /* for overlay functions */
1280 #include "value.h" /* For old tm.h/nm.h macros. */
1284 #include "floatformat.h"
1286 #include "gdb_assert.h"
1287 #include "gdb_string.h"
1288 #include "gdb-events.h"
1289 #include "reggroups.h"
1291 #include "symfile.h" /* For entry_point_address. */
1293 /* Static function declarations */
1295 static void verify_gdbarch (struct gdbarch *gdbarch);
1296 static void alloc_gdbarch_data (struct gdbarch *);
1297 static void free_gdbarch_data (struct gdbarch *);
1298 static void init_gdbarch_swap (struct gdbarch *);
1299 static void clear_gdbarch_swap (struct gdbarch *);
1300 static void swapout_gdbarch_swap (struct gdbarch *);
1301 static void swapin_gdbarch_swap (struct gdbarch *);
1303 /* Non-zero if we want to trace architecture code. */
1305 #ifndef GDBARCH_DEBUG
1306 #define GDBARCH_DEBUG 0
1308 int gdbarch_debug = GDBARCH_DEBUG;
1312 # gdbarch open the gdbarch object
1314 printf "/* Maintain the struct gdbarch object */\n"
1316 printf "struct gdbarch\n"
1318 printf " /* Has this architecture been fully initialized? */\n"
1319 printf " int initialized_p;\n"
1320 printf " /* basic architectural information */\n"
1321 function_list |
while do_read
1325 printf " ${returntype} ${function};\n"
1329 printf " /* target specific vector. */\n"
1330 printf " struct gdbarch_tdep *tdep;\n"
1331 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1333 printf " /* per-architecture data-pointers */\n"
1334 printf " unsigned nr_data;\n"
1335 printf " void **data;\n"
1337 printf " /* per-architecture swap-regions */\n"
1338 printf " struct gdbarch_swap *swap;\n"
1341 /* Multi-arch values.
1343 When extending this structure you must:
1345 Add the field below.
1347 Declare set/get functions and define the corresponding
1350 gdbarch_alloc(): If zero/NULL is not a suitable default,
1351 initialize the new field.
1353 verify_gdbarch(): Confirm that the target updated the field
1356 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1359 \`\`startup_gdbarch()'': Append an initial value to the static
1360 variable (base values on the host's c-type system).
1362 get_gdbarch(): Implement the set/get functions (probably using
1363 the macro's as shortcuts).
1368 function_list |
while do_read
1370 if class_is_variable_p
1372 printf " ${returntype} ${function};\n"
1373 elif class_is_function_p
1375 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1380 # A pre-initialized vector
1384 /* The default architecture uses host values (for want of a better
1388 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1390 printf "struct gdbarch startup_gdbarch =\n"
1392 printf " 1, /* Always initialized. */\n"
1393 printf " /* basic architecture information */\n"
1394 function_list |
while do_read
1398 printf " ${staticdefault},\n"
1402 /* target specific vector and its dump routine */
1404 /*per-architecture data-pointers and swap regions */
1406 /* Multi-arch values */
1408 function_list |
while do_read
1410 if class_is_function_p || class_is_variable_p
1412 printf " ${staticdefault},\n"
1416 /* startup_gdbarch() */
1419 struct gdbarch *current_gdbarch = &startup_gdbarch;
1421 /* Do any initialization needed for a non-multiarch configuration
1422 after the _initialize_MODULE functions have been run. */
1424 initialize_non_multiarch (void)
1426 alloc_gdbarch_data (&startup_gdbarch);
1427 /* Ensure that all swap areas are zeroed so that they again think
1428 they are starting from scratch. */
1429 clear_gdbarch_swap (&startup_gdbarch);
1430 init_gdbarch_swap (&startup_gdbarch);
1434 # Create a new gdbarch struct
1438 /* Create a new \`\`struct gdbarch'' based on information provided by
1439 \`\`struct gdbarch_info''. */
1444 gdbarch_alloc (const struct gdbarch_info *info,
1445 struct gdbarch_tdep *tdep)
1447 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1448 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1449 the current local architecture and not the previous global
1450 architecture. This ensures that the new architectures initial
1451 values are not influenced by the previous architecture. Once
1452 everything is parameterised with gdbarch, this will go away. */
1453 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1454 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1456 alloc_gdbarch_data (current_gdbarch);
1458 current_gdbarch->tdep = tdep;
1461 function_list |
while do_read
1465 printf " current_gdbarch->${function} = info->${function};\n"
1469 printf " /* Force the explicit initialization of these. */\n"
1470 function_list |
while do_read
1472 if class_is_function_p || class_is_variable_p
1474 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1476 printf " current_gdbarch->${function} = ${predefault};\n"
1481 /* gdbarch_alloc() */
1483 return current_gdbarch;
1487 # Free a gdbarch struct.
1491 /* Free a gdbarch struct. This should never happen in normal
1492 operation --- once you've created a gdbarch, you keep it around.
1493 However, if an architecture's init function encounters an error
1494 building the structure, it may need to clean up a partially
1495 constructed gdbarch. */
1498 gdbarch_free (struct gdbarch *arch)
1500 gdb_assert (arch != NULL);
1501 free_gdbarch_data (arch);
1506 # verify a new architecture
1509 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1513 verify_gdbarch (struct gdbarch *gdbarch)
1515 struct ui_file *log;
1516 struct cleanup *cleanups;
1519 /* Only perform sanity checks on a multi-arch target. */
1520 if (!GDB_MULTI_ARCH)
1522 log = mem_fileopen ();
1523 cleanups = make_cleanup_ui_file_delete (log);
1525 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1526 fprintf_unfiltered (log, "\n\tbyte-order");
1527 if (gdbarch->bfd_arch_info == NULL)
1528 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1529 /* Check those that need to be defined for the given multi-arch level. */
1531 function_list |
while do_read
1533 if class_is_function_p || class_is_variable_p
1535 if [ "x${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 " if (GDB_MULTI_ARCH)\n"
1605 printf " fprintf_unfiltered (file,\n"
1606 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1607 printf " gdbarch_${function}_p (current_gdbarch));\n"
1609 printf "#ifdef ${macro}_P\n"
1610 printf " fprintf_unfiltered (file,\n"
1611 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1612 printf " \"${macro}_P()\",\n"
1613 printf " XSTRING (${macro}_P ()));\n"
1614 printf " fprintf_unfiltered (file,\n"
1615 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1616 printf " ${macro}_P ());\n"
1620 # multiarch functions don't have macros.
1621 if class_is_multiarch_p
1623 printf " if (GDB_MULTI_ARCH)\n"
1624 printf " fprintf_unfiltered (file,\n"
1625 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1626 printf " (long) current_gdbarch->${function});\n"
1629 # Print the macro definition.
1630 printf "#ifdef ${macro}\n"
1631 if [ "x${returntype}" = "xvoid" ]
1633 printf "#if GDB_MULTI_ARCH\n"
1634 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1636 if class_is_function_p
1638 printf " fprintf_unfiltered (file,\n"
1639 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1640 printf " \"${macro}(${actual})\",\n"
1641 printf " XSTRING (${macro} (${actual})));\n"
1643 printf " fprintf_unfiltered (file,\n"
1644 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1645 printf " XSTRING (${macro}));\n"
1647 # Print the architecture vector value
1648 if [ "x${returntype}" = "xvoid" ]
1652 if [ "x${print_p}" = "x()" ]
1654 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1655 elif [ "x${print_p}" = "x0" ]
1657 printf " /* skip print of ${macro}, print_p == 0. */\n"
1658 elif [ -n "${print_p}" ]
1660 printf " if (${print_p})\n"
1661 printf " fprintf_unfiltered (file,\n"
1662 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1663 printf " ${print});\n"
1664 elif class_is_function_p
1666 printf " if (GDB_MULTI_ARCH)\n"
1667 printf " fprintf_unfiltered (file,\n"
1668 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1669 printf " (long) current_gdbarch->${function}\n"
1670 printf " /*${macro} ()*/);\n"
1672 printf " fprintf_unfiltered (file,\n"
1673 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1674 printf " ${print});\n"
1679 if (current_gdbarch->dump_tdep != NULL)
1680 current_gdbarch->dump_tdep (current_gdbarch, file);
1688 struct gdbarch_tdep *
1689 gdbarch_tdep (struct gdbarch *gdbarch)
1691 if (gdbarch_debug >= 2)
1692 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1693 return gdbarch->tdep;
1697 function_list |
while do_read
1699 if class_is_predicate_p
1703 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1705 printf " gdb_assert (gdbarch != NULL);\n"
1706 if [ -n "${predicate}" ]
1708 printf " return ${predicate};\n"
1710 printf " return gdbarch->${function} != 0;\n"
1714 if class_is_function_p
1717 printf "${returntype}\n"
1718 if [ "x${formal}" = "xvoid" ]
1720 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1722 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1725 printf " gdb_assert (gdbarch != NULL);\n"
1726 printf " if (gdbarch->${function} == 0)\n"
1727 printf " internal_error (__FILE__, __LINE__,\n"
1728 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1729 if class_is_predicate_p
&& test -n "${predicate}"
1731 # Allow a call to a function with a predicate.
1732 printf " /* Ignore predicate (${predicate}). */\n"
1734 printf " if (gdbarch_debug >= 2)\n"
1735 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1736 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1738 if class_is_multiarch_p
1745 if class_is_multiarch_p
1747 params
="gdbarch, ${actual}"
1752 if [ "x${returntype}" = "xvoid" ]
1754 printf " gdbarch->${function} (${params});\n"
1756 printf " return gdbarch->${function} (${params});\n"
1761 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1762 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1764 printf " gdbarch->${function} = ${function};\n"
1766 elif class_is_variable_p
1769 printf "${returntype}\n"
1770 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1772 printf " gdb_assert (gdbarch != NULL);\n"
1773 if [ "x${invalid_p}" = "x0" ]
1775 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1776 elif [ -n "${invalid_p}" ]
1778 printf " if (${invalid_p})\n"
1779 printf " internal_error (__FILE__, __LINE__,\n"
1780 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1781 elif [ -n "${predefault}" ]
1783 printf " if (gdbarch->${function} == ${predefault})\n"
1784 printf " internal_error (__FILE__, __LINE__,\n"
1785 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1787 printf " if (gdbarch_debug >= 2)\n"
1788 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1789 printf " return gdbarch->${function};\n"
1793 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1794 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1796 printf " gdbarch->${function} = ${function};\n"
1798 elif class_is_info_p
1801 printf "${returntype}\n"
1802 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1804 printf " gdb_assert (gdbarch != NULL);\n"
1805 printf " if (gdbarch_debug >= 2)\n"
1806 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1807 printf " return gdbarch->${function};\n"
1812 # All the trailing guff
1816 /* Keep a registry of per-architecture data-pointers required by GDB
1823 gdbarch_data_init_ftype *init;
1824 gdbarch_data_free_ftype *free;
1827 struct gdbarch_data_registration
1829 struct gdbarch_data *data;
1830 struct gdbarch_data_registration *next;
1833 struct gdbarch_data_registry
1836 struct gdbarch_data_registration *registrations;
1839 struct gdbarch_data_registry gdbarch_data_registry =
1844 struct gdbarch_data *
1845 register_gdbarch_data (gdbarch_data_init_ftype *init,
1846 gdbarch_data_free_ftype *free)
1848 struct gdbarch_data_registration **curr;
1849 /* Append the new registraration. */
1850 for (curr = &gdbarch_data_registry.registrations;
1852 curr = &(*curr)->next);
1853 (*curr) = XMALLOC (struct gdbarch_data_registration);
1854 (*curr)->next = NULL;
1855 (*curr)->data = XMALLOC (struct gdbarch_data);
1856 (*curr)->data->index = gdbarch_data_registry.nr++;
1857 (*curr)->data->init = init;
1858 (*curr)->data->init_p = 1;
1859 (*curr)->data->free = free;
1860 return (*curr)->data;
1864 /* Create/delete the gdbarch data vector. */
1867 alloc_gdbarch_data (struct gdbarch *gdbarch)
1869 gdb_assert (gdbarch->data == NULL);
1870 gdbarch->nr_data = gdbarch_data_registry.nr;
1871 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1875 free_gdbarch_data (struct gdbarch *gdbarch)
1877 struct gdbarch_data_registration *rego;
1878 gdb_assert (gdbarch->data != NULL);
1879 for (rego = gdbarch_data_registry.registrations;
1883 struct gdbarch_data *data = rego->data;
1884 gdb_assert (data->index < gdbarch->nr_data);
1885 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1887 data->free (gdbarch, gdbarch->data[data->index]);
1888 gdbarch->data[data->index] = NULL;
1891 xfree (gdbarch->data);
1892 gdbarch->data = NULL;
1896 /* Initialize the current value of the specified per-architecture
1900 set_gdbarch_data (struct gdbarch *gdbarch,
1901 struct gdbarch_data *data,
1904 gdb_assert (data->index < gdbarch->nr_data);
1905 if (gdbarch->data[data->index] != NULL)
1907 gdb_assert (data->free != NULL);
1908 data->free (gdbarch, gdbarch->data[data->index]);
1910 gdbarch->data[data->index] = pointer;
1913 /* Return the current value of the specified per-architecture
1917 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1919 gdb_assert (data->index < gdbarch->nr_data);
1920 /* The data-pointer isn't initialized, call init() to get a value but
1921 only if the architecture initializaiton has completed. Otherwise
1922 punt - hope that the caller knows what they are doing. */
1923 if (gdbarch->data[data->index] == NULL
1924 && gdbarch->initialized_p)
1926 /* Be careful to detect an initialization cycle. */
1927 gdb_assert (data->init_p);
1929 gdb_assert (data->init != NULL);
1930 gdbarch->data[data->index] = data->init (gdbarch);
1932 gdb_assert (gdbarch->data[data->index] != NULL);
1934 return gdbarch->data[data->index];
1939 /* Keep a registry of swapped data required by GDB modules. */
1944 struct gdbarch_swap_registration *source;
1945 struct gdbarch_swap *next;
1948 struct gdbarch_swap_registration
1951 unsigned long sizeof_data;
1952 gdbarch_swap_ftype *init;
1953 struct gdbarch_swap_registration *next;
1956 struct gdbarch_swap_registry
1959 struct gdbarch_swap_registration *registrations;
1962 struct gdbarch_swap_registry gdbarch_swap_registry =
1968 register_gdbarch_swap (void *data,
1969 unsigned long sizeof_data,
1970 gdbarch_swap_ftype *init)
1972 struct gdbarch_swap_registration **rego;
1973 for (rego = &gdbarch_swap_registry.registrations;
1975 rego = &(*rego)->next);
1976 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1977 (*rego)->next = NULL;
1978 (*rego)->init = init;
1979 (*rego)->data = data;
1980 (*rego)->sizeof_data = sizeof_data;
1984 clear_gdbarch_swap (struct gdbarch *gdbarch)
1986 struct gdbarch_swap *curr;
1987 for (curr = gdbarch->swap;
1991 memset (curr->source->data, 0, curr->source->sizeof_data);
1996 init_gdbarch_swap (struct gdbarch *gdbarch)
1998 struct gdbarch_swap_registration *rego;
1999 struct gdbarch_swap **curr = &gdbarch->swap;
2000 for (rego = gdbarch_swap_registry.registrations;
2004 if (rego->data != NULL)
2006 (*curr) = XMALLOC (struct gdbarch_swap);
2007 (*curr)->source = rego;
2008 (*curr)->swap = xmalloc (rego->sizeof_data);
2009 (*curr)->next = NULL;
2010 curr = &(*curr)->next;
2012 if (rego->init != NULL)
2018 swapout_gdbarch_swap (struct gdbarch *gdbarch)
2020 struct gdbarch_swap *curr;
2021 for (curr = gdbarch->swap;
2024 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2028 swapin_gdbarch_swap (struct gdbarch *gdbarch)
2030 struct gdbarch_swap *curr;
2031 for (curr = gdbarch->swap;
2034 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2038 /* Keep a registry of the architectures known by GDB. */
2040 struct gdbarch_registration
2042 enum bfd_architecture bfd_architecture;
2043 gdbarch_init_ftype *init;
2044 gdbarch_dump_tdep_ftype *dump_tdep;
2045 struct gdbarch_list *arches;
2046 struct gdbarch_registration *next;
2049 static struct gdbarch_registration *gdbarch_registry = NULL;
2052 append_name (const char ***buf, int *nr, const char *name)
2054 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2060 gdbarch_printable_names (void)
2064 /* Accumulate a list of names based on the registed list of
2066 enum bfd_architecture a;
2068 const char **arches = NULL;
2069 struct gdbarch_registration *rego;
2070 for (rego = gdbarch_registry;
2074 const struct bfd_arch_info *ap;
2075 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2077 internal_error (__FILE__, __LINE__,
2078 "gdbarch_architecture_names: multi-arch unknown");
2081 append_name (&arches, &nr_arches, ap->printable_name);
2086 append_name (&arches, &nr_arches, NULL);
2090 /* Just return all the architectures that BFD knows. Assume that
2091 the legacy architecture framework supports them. */
2092 return bfd_arch_list ();
2097 gdbarch_register (enum bfd_architecture bfd_architecture,
2098 gdbarch_init_ftype *init,
2099 gdbarch_dump_tdep_ftype *dump_tdep)
2101 struct gdbarch_registration **curr;
2102 const struct bfd_arch_info *bfd_arch_info;
2103 /* Check that BFD recognizes this architecture */
2104 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2105 if (bfd_arch_info == NULL)
2107 internal_error (__FILE__, __LINE__,
2108 "gdbarch: Attempt to register unknown architecture (%d)",
2111 /* Check that we haven't seen this architecture before */
2112 for (curr = &gdbarch_registry;
2114 curr = &(*curr)->next)
2116 if (bfd_architecture == (*curr)->bfd_architecture)
2117 internal_error (__FILE__, __LINE__,
2118 "gdbarch: Duplicate registraration of architecture (%s)",
2119 bfd_arch_info->printable_name);
2123 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2124 bfd_arch_info->printable_name,
2127 (*curr) = XMALLOC (struct gdbarch_registration);
2128 (*curr)->bfd_architecture = bfd_architecture;
2129 (*curr)->init = init;
2130 (*curr)->dump_tdep = dump_tdep;
2131 (*curr)->arches = NULL;
2132 (*curr)->next = NULL;
2133 /* When non- multi-arch, install whatever target dump routine we've
2134 been provided - hopefully that routine has been written correctly
2135 and works regardless of multi-arch. */
2136 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2137 && startup_gdbarch.dump_tdep == NULL)
2138 startup_gdbarch.dump_tdep = dump_tdep;
2142 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2143 gdbarch_init_ftype *init)
2145 gdbarch_register (bfd_architecture, init, NULL);
2149 /* Look for an architecture using gdbarch_info. Base search on only
2150 BFD_ARCH_INFO and BYTE_ORDER. */
2152 struct gdbarch_list *
2153 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2154 const struct gdbarch_info *info)
2156 for (; arches != NULL; arches = arches->next)
2158 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2160 if (info->byte_order != arches->gdbarch->byte_order)
2162 if (info->osabi != arches->gdbarch->osabi)
2170 /* Update the current architecture. Return ZERO if the update request
2174 gdbarch_update_p (struct gdbarch_info info)
2176 struct gdbarch *new_gdbarch;
2177 struct gdbarch *old_gdbarch;
2178 struct gdbarch_registration *rego;
2180 /* Fill in missing parts of the INFO struct using a number of
2181 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2183 /* \`\`(gdb) set architecture ...'' */
2184 if (info.bfd_arch_info == NULL
2185 && !TARGET_ARCHITECTURE_AUTO)
2186 info.bfd_arch_info = TARGET_ARCHITECTURE;
2187 if (info.bfd_arch_info == NULL
2188 && info.abfd != NULL
2189 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2190 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2191 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2192 if (info.bfd_arch_info == NULL)
2193 info.bfd_arch_info = TARGET_ARCHITECTURE;
2195 /* \`\`(gdb) set byte-order ...'' */
2196 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2197 && !TARGET_BYTE_ORDER_AUTO)
2198 info.byte_order = TARGET_BYTE_ORDER;
2199 /* From the INFO struct. */
2200 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2201 && info.abfd != NULL)
2202 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2203 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2204 : BFD_ENDIAN_UNKNOWN);
2205 /* From the current target. */
2206 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2207 info.byte_order = TARGET_BYTE_ORDER;
2209 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2210 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2211 info.osabi = gdbarch_lookup_osabi (info.abfd);
2212 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2213 info.osabi = current_gdbarch->osabi;
2215 /* Must have found some sort of architecture. */
2216 gdb_assert (info.bfd_arch_info != NULL);
2220 fprintf_unfiltered (gdb_stdlog,
2221 "gdbarch_update: info.bfd_arch_info %s\n",
2222 (info.bfd_arch_info != NULL
2223 ? info.bfd_arch_info->printable_name
2225 fprintf_unfiltered (gdb_stdlog,
2226 "gdbarch_update: info.byte_order %d (%s)\n",
2228 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2229 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2231 fprintf_unfiltered (gdb_stdlog,
2232 "gdbarch_update: info.osabi %d (%s)\n",
2233 info.osabi, gdbarch_osabi_name (info.osabi));
2234 fprintf_unfiltered (gdb_stdlog,
2235 "gdbarch_update: info.abfd 0x%lx\n",
2237 fprintf_unfiltered (gdb_stdlog,
2238 "gdbarch_update: info.tdep_info 0x%lx\n",
2239 (long) info.tdep_info);
2242 /* Find the target that knows about this architecture. */
2243 for (rego = gdbarch_registry;
2246 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2251 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2255 /* Swap the data belonging to the old target out setting the
2256 installed data to zero. This stops the ->init() function trying
2257 to refer to the previous architecture's global data structures. */
2258 swapout_gdbarch_swap (current_gdbarch);
2259 clear_gdbarch_swap (current_gdbarch);
2261 /* Save the previously selected architecture, setting the global to
2262 NULL. This stops ->init() trying to use the previous
2263 architecture's configuration. The previous architecture may not
2264 even be of the same architecture family. The most recent
2265 architecture of the same family is found at the head of the
2266 rego->arches list. */
2267 old_gdbarch = current_gdbarch;
2268 current_gdbarch = NULL;
2270 /* Ask the target for a replacement architecture. */
2271 new_gdbarch = rego->init (info, rego->arches);
2273 /* Did the target like it? No. Reject the change and revert to the
2274 old architecture. */
2275 if (new_gdbarch == NULL)
2278 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2279 swapin_gdbarch_swap (old_gdbarch);
2280 current_gdbarch = old_gdbarch;
2284 /* Did the architecture change? No. Oops, put the old architecture
2286 if (old_gdbarch == new_gdbarch)
2289 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2291 new_gdbarch->bfd_arch_info->printable_name);
2292 swapin_gdbarch_swap (old_gdbarch);
2293 current_gdbarch = old_gdbarch;
2297 /* Is this a pre-existing architecture? Yes. Move it to the front
2298 of the list of architectures (keeping the list sorted Most
2299 Recently Used) and then copy it in. */
2301 struct gdbarch_list **list;
2302 for (list = ®o->arches;
2304 list = &(*list)->next)
2306 if ((*list)->gdbarch == new_gdbarch)
2308 struct gdbarch_list *this;
2310 fprintf_unfiltered (gdb_stdlog,
2311 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2313 new_gdbarch->bfd_arch_info->printable_name);
2316 (*list) = this->next;
2317 /* Insert in the front. */
2318 this->next = rego->arches;
2319 rego->arches = this;
2320 /* Copy the new architecture in. */
2321 current_gdbarch = new_gdbarch;
2322 swapin_gdbarch_swap (new_gdbarch);
2323 architecture_changed_event ();
2329 /* Prepend this new architecture to the architecture list (keep the
2330 list sorted Most Recently Used). */
2332 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2333 this->next = rego->arches;
2334 this->gdbarch = new_gdbarch;
2335 rego->arches = this;
2338 /* Switch to this new architecture marking it initialized. */
2339 current_gdbarch = new_gdbarch;
2340 current_gdbarch->initialized_p = 1;
2343 fprintf_unfiltered (gdb_stdlog,
2344 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2346 new_gdbarch->bfd_arch_info->printable_name);
2349 /* Check that the newly installed architecture is valid. Plug in
2350 any post init values. */
2351 new_gdbarch->dump_tdep = rego->dump_tdep;
2352 verify_gdbarch (new_gdbarch);
2354 /* Initialize the per-architecture memory (swap) areas.
2355 CURRENT_GDBARCH must be update before these modules are
2357 init_gdbarch_swap (new_gdbarch);
2359 /* Initialize the per-architecture data. CURRENT_GDBARCH
2360 must be updated before these modules are called. */
2361 architecture_changed_event ();
2364 gdbarch_dump (current_gdbarch, gdb_stdlog);
2372 /* Pointer to the target-dependent disassembly function. */
2373 int (*deprecated_tm_print_insn) (bfd_vma, disassemble_info *);
2375 extern void _initialize_gdbarch (void);
2378 _initialize_gdbarch (void)
2380 struct cmd_list_element *c;
2382 add_show_from_set (add_set_cmd ("arch",
2385 (char *)&gdbarch_debug,
2386 "Set architecture debugging.\\n\\
2387 When non-zero, architecture debugging is enabled.", &setdebuglist),
2389 c = add_set_cmd ("archdebug",
2392 (char *)&gdbarch_debug,
2393 "Set architecture debugging.\\n\\
2394 When non-zero, architecture debugging is enabled.", &setlist);
2396 deprecate_cmd (c, "set debug arch");
2397 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2403 #../move-if-change new-gdbarch.c gdbarch.c
2404 compare_new gdbarch.c