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 f:2:TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
432 f:2:TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
433 # The dummy call frame SP should be set by push_dummy_call.
434 F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val
435 # Function for getting target's idea of a frame pointer. FIXME: GDB's
436 # whole scheme for dealing with "frames" and "frame pointers" needs a
438 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
440 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf:
441 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf:
443 v:2:NUM_REGS:int:num_regs::::0:-1
444 # This macro gives the number of pseudo-registers that live in the
445 # register namespace but do not get fetched or stored on the target.
446 # These pseudo-registers may be aliases for other registers,
447 # combinations of other registers, or they may be computed by GDB.
448 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
450 # GDB's standard (or well known) register numbers. These can map onto
451 # a real register or a pseudo (computed) register or not be defined at
453 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
454 v:2:FP_REGNUM:int:fp_regnum::::-1:-1::0
455 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
456 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
457 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
458 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
459 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
460 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
461 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
462 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
463 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
464 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
465 # Convert from an sdb register number to an internal gdb register number.
466 # This should be defined in tm.h, if REGISTER_NAMES is not set up
467 # to map one to one onto the sdb register numbers.
468 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
469 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
470 f:2:REGISTER_NAME:const char *:register_name:int regnr:regnr:::legacy_register_name::0
471 v:2:REGISTER_SIZE:int:register_size::::0:-1
472 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
473 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte::0
474 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
475 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
476 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
478 f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
479 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
480 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
481 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
483 V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
484 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
485 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
486 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
488 f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
489 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
490 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
491 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
493 V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
494 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
495 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
496 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE have all being replaced
498 F:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
499 M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr::0:
501 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
502 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
503 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
504 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
505 # MAP a GDB RAW register number onto a simulator register number. See
506 # also include/...-sim.h.
507 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
508 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
509 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
510 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
511 # setjmp/longjmp support.
512 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc::0:0
514 # Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
515 # much better but at least they are vaguely consistent). The headers
516 # and body contain convoluted #if/#else sequences for determine how
517 # things should be compiled. Instead of trying to mimic that
518 # behaviour here (and hence entrench it further) gdbarch simply
519 # reqires that these methods be set up from the word go. This also
520 # avoids any potential problems with moving beyond multi-arch partial.
521 v::DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
522 v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
523 f::CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void::::entry_point_address::0
524 v::CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset
525 v::CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset
526 v::CALL_DUMMY_LENGTH:int:call_dummy_length
527 # NOTE: cagney/2002-11-24: This function with predicate has a valid
528 # (callable) initial value. As a consequence, even when the predicate
529 # is false, the corresponding function works. This simplifies the
530 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
531 # doesn't need to be modified.
532 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
533 v::CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
534 v::SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
535 V:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust::::0
536 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
537 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
538 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
540 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
541 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
542 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
544 f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
545 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
546 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
548 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
549 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
550 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
552 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
553 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
554 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
556 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
557 # Replaced by PUSH_DUMMY_CALL
558 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
559 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
560 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-:::0
561 # NOTE: This can be handled directly in push_dummy_call.
562 F:2:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
563 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-:::0
564 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
565 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
567 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
568 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
569 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
570 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
572 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache:::0
573 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf:::0
574 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
576 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame:::0
577 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
579 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
580 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
581 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
582 f:2:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
583 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
584 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
585 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
586 f:2:PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
587 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
589 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
591 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
592 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
593 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame::0:0
594 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
595 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
596 # note, per UNWIND_PC's doco, that while the two have similar
597 # interfaces they have very different underlying implementations.
598 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi::0:0
599 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame:
600 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:get_frame_base::0
601 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:get_frame_base::0
602 F::SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame
603 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
605 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
606 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
607 # NOTE: cagney/2003-03-24: This is better handled by PUSH_ARGUMENTS.
608 v:2:DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED:int:deprecated_extra_stack_alignment_needed::::0:0::0:::
609 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
610 # FIXME: kettenis/2003-03-08: This should be replaced by a function
611 # parametrized with (at least) the regcache.
612 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
613 M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info::0:0
614 v:2:PARM_BOUNDARY:int:parm_boundary
616 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
617 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
618 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
619 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
620 # On some machines there are bits in addresses which are not really
621 # part of the address, but are used by the kernel, the hardware, etc.
622 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
623 # we get a "real" address such as one would find in a symbol table.
624 # This is used only for addresses of instructions, and even then I'm
625 # not sure it's used in all contexts. It exists to deal with there
626 # being a few stray bits in the PC which would mislead us, not as some
627 # sort of generic thing to handle alignment or segmentation (it's
628 # possible it should be in TARGET_READ_PC instead).
629 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
630 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
632 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
633 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
634 # the target needs software single step. An ISA method to implement it.
636 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
637 # using the breakpoint system instead of blatting memory directly (as with rs6000).
639 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
640 # single step. If not, then implement single step using breakpoints.
641 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
642 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
643 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
646 # For SVR4 shared libraries, each call goes through a small piece of
647 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
648 # to nonzero if we are currently stopped in one of these.
649 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
651 # Some systems also have trampoline code for returning from shared libs.
652 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
654 # Sigtramp is a routine that the kernel calls (which then calls the
655 # signal handler). On most machines it is a library routine that is
656 # linked into the executable.
658 # This macro, given a program counter value and the name of the
659 # function in which that PC resides (which can be null if the name is
660 # not known), returns nonzero if the PC and name show that we are in
663 # On most machines just see if the name is sigtramp (and if we have
664 # no name, assume we are not in sigtramp).
666 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
667 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
668 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
669 # own local NAME lookup.
671 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
672 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
674 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
675 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
676 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
677 # A target might have problems with watchpoints as soon as the stack
678 # frame of the current function has been destroyed. This mostly happens
679 # as the first action in a funtion's epilogue. in_function_epilogue_p()
680 # is defined to return a non-zero value if either the given addr is one
681 # instruction after the stack destroying instruction up to the trailing
682 # return instruction or if we can figure out that the stack frame has
683 # already been invalidated regardless of the value of addr. Targets
684 # which don't suffer from that problem could just let this functionality
686 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
687 # Given a vector of command-line arguments, return a newly allocated
688 # string which, when passed to the create_inferior function, will be
689 # parsed (on Unix systems, by the shell) to yield the same vector.
690 # This function should call error() if the argument vector is not
691 # representable for this target or if this target does not support
692 # command-line arguments.
693 # ARGC is the number of elements in the vector.
694 # ARGV is an array of strings, one per argument.
695 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
696 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
697 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
698 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
699 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
700 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
701 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
702 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
703 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags:
704 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
705 # Is a register in a group
706 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
713 exec > new-gdbarch.log
714 function_list |
while do_read
717 ${class} ${macro}(${actual})
718 ${returntype} ${function} ($formal)${attrib}
722 eval echo \"\ \ \ \
${r}=\
${${r}}\"
724 if class_is_predicate_p
&& fallback_default_p
726 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
730 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
732 echo "Error: postdefault is useless when invalid_p=0" 1>&2
736 if class_is_multiarch_p
738 if class_is_predicate_p
; then :
739 elif test "x${predefault}" = "x"
741 echo "Error: pure multi-arch function must have a predefault" 1>&2
750 compare_new gdbarch.log
756 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
758 /* Dynamic architecture support for GDB, the GNU debugger.
759 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
761 This file is part of GDB.
763 This program is free software; you can redistribute it and/or modify
764 it under the terms of the GNU General Public License as published by
765 the Free Software Foundation; either version 2 of the License, or
766 (at your option) any later version.
768 This program is distributed in the hope that it will be useful,
769 but WITHOUT ANY WARRANTY; without even the implied warranty of
770 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
771 GNU General Public License for more details.
773 You should have received a copy of the GNU General Public License
774 along with this program; if not, write to the Free Software
775 Foundation, Inc., 59 Temple Place - Suite 330,
776 Boston, MA 02111-1307, USA. */
778 /* This file was created with the aid of \`\`gdbarch.sh''.
780 The Bourne shell script \`\`gdbarch.sh'' creates the files
781 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
782 against the existing \`\`gdbarch.[hc]''. Any differences found
785 If editing this file, please also run gdbarch.sh and merge any
786 changes into that script. Conversely, when making sweeping changes
787 to this file, modifying gdbarch.sh and using its output may prove
803 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
805 /* Pull in function declarations refered to, indirectly, via macros. */
806 #include "inferior.h" /* For unsigned_address_to_pointer(). */
807 #include "symfile.h" /* For entry_point_address(). */
813 struct minimal_symbol;
817 extern struct gdbarch *current_gdbarch;
820 /* If any of the following are defined, the target wasn't correctly
823 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
824 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
831 printf "/* The following are pre-initialized by GDBARCH. */\n"
832 function_list |
while do_read
837 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
838 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
839 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
840 printf "#error \"Non multi-arch definition of ${macro}\"\n"
842 printf "#if GDB_MULTI_ARCH\n"
843 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
844 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
853 printf "/* The following are initialized by the target dependent code. */\n"
854 function_list |
while do_read
856 if [ -n "${comment}" ]
858 echo "${comment}" |
sed \
863 if class_is_multiarch_p
865 if class_is_predicate_p
868 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
871 if class_is_predicate_p
874 printf "#if defined (${macro})\n"
875 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
876 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
877 printf "#if !defined (${macro}_P)\n"
878 printf "#define ${macro}_P() (1)\n"
882 printf "/* Default predicate for non- multi-arch targets. */\n"
883 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
884 printf "#define ${macro}_P() (0)\n"
887 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
888 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
889 printf "#error \"Non multi-arch definition of ${macro}\"\n"
891 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
892 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
896 if class_is_variable_p
898 if fallback_default_p || class_is_predicate_p
901 printf "/* Default (value) for non- multi-arch platforms. */\n"
902 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
903 echo "#define ${macro} (${fallbackdefault})" \
904 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
908 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
909 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
910 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
911 printf "#error \"Non multi-arch definition of ${macro}\"\n"
913 if test "${level}" = ""
915 printf "#if !defined (${macro})\n"
916 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
919 printf "#if GDB_MULTI_ARCH\n"
920 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
921 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
926 if class_is_function_p
928 if class_is_multiarch_p
; then :
929 elif fallback_default_p || class_is_predicate_p
932 printf "/* Default (function) for non- multi-arch platforms. */\n"
933 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
934 if [ "x${fallbackdefault}" = "x0" ]
936 if [ "x${actual}" = "x-" ]
938 printf "#define ${macro} (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
940 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
943 # FIXME: Should be passing current_gdbarch through!
944 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
945 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
950 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
952 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
953 elif class_is_multiarch_p
955 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
957 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
959 if [ "x${formal}" = "xvoid" ]
961 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
963 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
965 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
966 if class_is_multiarch_p
; then :
968 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
969 printf "#error \"Non multi-arch definition of ${macro}\"\n"
971 printf "#if GDB_MULTI_ARCH\n"
972 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
973 if [ "x${actual}" = "x" ]
975 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
976 elif [ "x${actual}" = "x-" ]
978 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
980 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
991 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
994 /* Mechanism for co-ordinating the selection of a specific
997 GDB targets (*-tdep.c) can register an interest in a specific
998 architecture. Other GDB components can register a need to maintain
999 per-architecture data.
1001 The mechanisms below ensures that there is only a loose connection
1002 between the set-architecture command and the various GDB
1003 components. Each component can independently register their need
1004 to maintain architecture specific data with gdbarch.
1008 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1011 The more traditional mega-struct containing architecture specific
1012 data for all the various GDB components was also considered. Since
1013 GDB is built from a variable number of (fairly independent)
1014 components it was determined that the global aproach was not
1018 /* Register a new architectural family with GDB.
1020 Register support for the specified ARCHITECTURE with GDB. When
1021 gdbarch determines that the specified architecture has been
1022 selected, the corresponding INIT function is called.
1026 The INIT function takes two parameters: INFO which contains the
1027 information available to gdbarch about the (possibly new)
1028 architecture; ARCHES which is a list of the previously created
1029 \`\`struct gdbarch'' for this architecture.
1031 The INFO parameter is, as far as possible, be pre-initialized with
1032 information obtained from INFO.ABFD or the previously selected
1035 The ARCHES parameter is a linked list (sorted most recently used)
1036 of all the previously created architures for this architecture
1037 family. The (possibly NULL) ARCHES->gdbarch can used to access
1038 values from the previously selected architecture for this
1039 architecture family. The global \`\`current_gdbarch'' shall not be
1042 The INIT function shall return any of: NULL - indicating that it
1043 doesn't recognize the selected architecture; an existing \`\`struct
1044 gdbarch'' from the ARCHES list - indicating that the new
1045 architecture is just a synonym for an earlier architecture (see
1046 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1047 - that describes the selected architecture (see gdbarch_alloc()).
1049 The DUMP_TDEP function shall print out all target specific values.
1050 Care should be taken to ensure that the function works in both the
1051 multi-arch and non- multi-arch cases. */
1055 struct gdbarch *gdbarch;
1056 struct gdbarch_list *next;
1061 /* Use default: NULL (ZERO). */
1062 const struct bfd_arch_info *bfd_arch_info;
1064 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1067 /* Use default: NULL (ZERO). */
1070 /* Use default: NULL (ZERO). */
1071 struct gdbarch_tdep_info *tdep_info;
1073 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1074 enum gdb_osabi osabi;
1077 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1078 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1080 /* DEPRECATED - use gdbarch_register() */
1081 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1083 extern void gdbarch_register (enum bfd_architecture architecture,
1084 gdbarch_init_ftype *,
1085 gdbarch_dump_tdep_ftype *);
1088 /* Return a freshly allocated, NULL terminated, array of the valid
1089 architecture names. Since architectures are registered during the
1090 _initialize phase this function only returns useful information
1091 once initialization has been completed. */
1093 extern const char **gdbarch_printable_names (void);
1096 /* Helper function. Search the list of ARCHES for a GDBARCH that
1097 matches the information provided by INFO. */
1099 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1102 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1103 basic initialization using values obtained from the INFO andTDEP
1104 parameters. set_gdbarch_*() functions are called to complete the
1105 initialization of the object. */
1107 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1110 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1111 It is assumed that the caller freeds the \`\`struct
1114 extern void gdbarch_free (struct gdbarch *);
1117 /* Helper function. Force an update of the current architecture.
1119 The actual architecture selected is determined by INFO, \`\`(gdb) set
1120 architecture'' et.al., the existing architecture and BFD's default
1121 architecture. INFO should be initialized to zero and then selected
1122 fields should be updated.
1124 Returns non-zero if the update succeeds */
1126 extern int gdbarch_update_p (struct gdbarch_info info);
1130 /* Register per-architecture data-pointer.
1132 Reserve space for a per-architecture data-pointer. An identifier
1133 for the reserved data-pointer is returned. That identifer should
1134 be saved in a local static variable.
1136 The per-architecture data-pointer is either initialized explicitly
1137 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1138 gdbarch_data()). FREE() is called to delete either an existing
1139 data-pointer overridden by set_gdbarch_data() or when the
1140 architecture object is being deleted.
1142 When a previously created architecture is re-selected, the
1143 per-architecture data-pointer for that previous architecture is
1144 restored. INIT() is not re-called.
1146 Multiple registrarants for any architecture are allowed (and
1147 strongly encouraged). */
1149 struct gdbarch_data;
1151 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1152 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1154 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1155 gdbarch_data_free_ftype *free);
1156 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1157 struct gdbarch_data *data,
1160 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1163 /* Register per-architecture memory region.
1165 Provide a memory-region swap mechanism. Per-architecture memory
1166 region are created. These memory regions are swapped whenever the
1167 architecture is changed. For a new architecture, the memory region
1168 is initialized with zero (0) and the INIT function is called.
1170 Memory regions are swapped / initialized in the order that they are
1171 registered. NULL DATA and/or INIT values can be specified.
1173 New code should use register_gdbarch_data(). */
1175 typedef void (gdbarch_swap_ftype) (void);
1176 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1177 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1181 /* The target-system-dependent byte order is dynamic */
1183 extern int target_byte_order;
1184 #ifndef TARGET_BYTE_ORDER
1185 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1188 extern int target_byte_order_auto;
1189 #ifndef TARGET_BYTE_ORDER_AUTO
1190 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1195 /* The target-system-dependent BFD architecture is dynamic */
1197 extern int target_architecture_auto;
1198 #ifndef TARGET_ARCHITECTURE_AUTO
1199 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1202 extern const struct bfd_arch_info *target_architecture;
1203 #ifndef TARGET_ARCHITECTURE
1204 #define TARGET_ARCHITECTURE (target_architecture + 0)
1208 /* The target-system-dependent disassembler is semi-dynamic */
1210 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1211 unsigned int len, disassemble_info *info);
1213 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1214 disassemble_info *info);
1216 extern void dis_asm_print_address (bfd_vma addr,
1217 disassemble_info *info);
1219 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1220 extern disassemble_info tm_print_insn_info;
1221 #ifndef TARGET_PRINT_INSN_INFO
1222 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1227 /* Set the dynamic target-system-dependent parameters (architecture,
1228 byte-order, ...) using information found in the BFD */
1230 extern void set_gdbarch_from_file (bfd *);
1233 /* Initialize the current architecture to the "first" one we find on
1236 extern void initialize_current_architecture (void);
1238 /* For non-multiarched targets, do any initialization of the default
1239 gdbarch object necessary after the _initialize_MODULE functions
1241 extern void initialize_non_multiarch (void);
1243 /* gdbarch trace variable */
1244 extern int gdbarch_debug;
1246 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1251 #../move-if-change new-gdbarch.h gdbarch.h
1252 compare_new gdbarch.h
1259 exec > new-gdbarch.c
1264 #include "arch-utils.h"
1268 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1270 /* Just include everything in sight so that the every old definition
1271 of macro is visible. */
1272 #include "gdb_string.h"
1276 #include "inferior.h"
1277 #include "breakpoint.h"
1278 #include "gdb_wait.h"
1279 #include "gdbcore.h"
1282 #include "gdbthread.h"
1283 #include "annotate.h"
1284 #include "symfile.h" /* for overlay functions */
1285 #include "value.h" /* For old tm.h/nm.h macros. */
1289 #include "floatformat.h"
1291 #include "gdb_assert.h"
1292 #include "gdb_string.h"
1293 #include "gdb-events.h"
1294 #include "reggroups.h"
1296 #include "symfile.h" /* For entry_point_address. */
1298 /* Static function declarations */
1300 static void verify_gdbarch (struct gdbarch *gdbarch);
1301 static void alloc_gdbarch_data (struct gdbarch *);
1302 static void free_gdbarch_data (struct gdbarch *);
1303 static void init_gdbarch_swap (struct gdbarch *);
1304 static void clear_gdbarch_swap (struct gdbarch *);
1305 static void swapout_gdbarch_swap (struct gdbarch *);
1306 static void swapin_gdbarch_swap (struct gdbarch *);
1308 /* Non-zero if we want to trace architecture code. */
1310 #ifndef GDBARCH_DEBUG
1311 #define GDBARCH_DEBUG 0
1313 int gdbarch_debug = GDBARCH_DEBUG;
1317 # gdbarch open the gdbarch object
1319 printf "/* Maintain the struct gdbarch object */\n"
1321 printf "struct gdbarch\n"
1323 printf " /* Has this architecture been fully initialized? */\n"
1324 printf " int initialized_p;\n"
1325 printf " /* basic architectural information */\n"
1326 function_list |
while do_read
1330 printf " ${returntype} ${function};\n"
1334 printf " /* target specific vector. */\n"
1335 printf " struct gdbarch_tdep *tdep;\n"
1336 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1338 printf " /* per-architecture data-pointers */\n"
1339 printf " unsigned nr_data;\n"
1340 printf " void **data;\n"
1342 printf " /* per-architecture swap-regions */\n"
1343 printf " struct gdbarch_swap *swap;\n"
1346 /* Multi-arch values.
1348 When extending this structure you must:
1350 Add the field below.
1352 Declare set/get functions and define the corresponding
1355 gdbarch_alloc(): If zero/NULL is not a suitable default,
1356 initialize the new field.
1358 verify_gdbarch(): Confirm that the target updated the field
1361 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1364 \`\`startup_gdbarch()'': Append an initial value to the static
1365 variable (base values on the host's c-type system).
1367 get_gdbarch(): Implement the set/get functions (probably using
1368 the macro's as shortcuts).
1373 function_list |
while do_read
1375 if class_is_variable_p
1377 printf " ${returntype} ${function};\n"
1378 elif class_is_function_p
1380 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1385 # A pre-initialized vector
1389 /* The default architecture uses host values (for want of a better
1393 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1395 printf "struct gdbarch startup_gdbarch =\n"
1397 printf " 1, /* Always initialized. */\n"
1398 printf " /* basic architecture information */\n"
1399 function_list |
while do_read
1403 printf " ${staticdefault},\n"
1407 /* target specific vector and its dump routine */
1409 /*per-architecture data-pointers and swap regions */
1411 /* Multi-arch values */
1413 function_list |
while do_read
1415 if class_is_function_p || class_is_variable_p
1417 printf " ${staticdefault},\n"
1421 /* startup_gdbarch() */
1424 struct gdbarch *current_gdbarch = &startup_gdbarch;
1426 /* Do any initialization needed for a non-multiarch configuration
1427 after the _initialize_MODULE functions have been run. */
1429 initialize_non_multiarch (void)
1431 alloc_gdbarch_data (&startup_gdbarch);
1432 /* Ensure that all swap areas are zeroed so that they again think
1433 they are starting from scratch. */
1434 clear_gdbarch_swap (&startup_gdbarch);
1435 init_gdbarch_swap (&startup_gdbarch);
1439 # Create a new gdbarch struct
1443 /* Create a new \`\`struct gdbarch'' based on information provided by
1444 \`\`struct gdbarch_info''. */
1449 gdbarch_alloc (const struct gdbarch_info *info,
1450 struct gdbarch_tdep *tdep)
1452 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1453 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1454 the current local architecture and not the previous global
1455 architecture. This ensures that the new architectures initial
1456 values are not influenced by the previous architecture. Once
1457 everything is parameterised with gdbarch, this will go away. */
1458 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1459 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1461 alloc_gdbarch_data (current_gdbarch);
1463 current_gdbarch->tdep = tdep;
1466 function_list |
while do_read
1470 printf " current_gdbarch->${function} = info->${function};\n"
1474 printf " /* Force the explicit initialization of these. */\n"
1475 function_list |
while do_read
1477 if class_is_function_p || class_is_variable_p
1479 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1481 printf " current_gdbarch->${function} = ${predefault};\n"
1486 /* gdbarch_alloc() */
1488 return current_gdbarch;
1492 # Free a gdbarch struct.
1496 /* Free a gdbarch struct. This should never happen in normal
1497 operation --- once you've created a gdbarch, you keep it around.
1498 However, if an architecture's init function encounters an error
1499 building the structure, it may need to clean up a partially
1500 constructed gdbarch. */
1503 gdbarch_free (struct gdbarch *arch)
1505 gdb_assert (arch != NULL);
1506 free_gdbarch_data (arch);
1511 # verify a new architecture
1514 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1518 verify_gdbarch (struct gdbarch *gdbarch)
1520 struct ui_file *log;
1521 struct cleanup *cleanups;
1524 /* Only perform sanity checks on a multi-arch target. */
1525 if (!GDB_MULTI_ARCH)
1527 log = mem_fileopen ();
1528 cleanups = make_cleanup_ui_file_delete (log);
1530 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1531 fprintf_unfiltered (log, "\n\tbyte-order");
1532 if (gdbarch->bfd_arch_info == NULL)
1533 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1534 /* Check those that need to be defined for the given multi-arch level. */
1536 function_list |
while do_read
1538 if class_is_function_p || class_is_variable_p
1540 if [ "x${invalid_p}" = "x0" ]
1542 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1543 elif class_is_predicate_p
1545 printf " /* Skip verify of ${function}, has predicate */\n"
1546 # FIXME: See do_read for potential simplification
1547 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1549 printf " if (${invalid_p})\n"
1550 printf " gdbarch->${function} = ${postdefault};\n"
1551 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1553 printf " if (gdbarch->${function} == ${predefault})\n"
1554 printf " gdbarch->${function} = ${postdefault};\n"
1555 elif [ -n "${postdefault}" ]
1557 printf " if (gdbarch->${function} == 0)\n"
1558 printf " gdbarch->${function} = ${postdefault};\n"
1559 elif [ -n "${invalid_p}" ]
1561 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1562 printf " && (${invalid_p}))\n"
1563 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1564 elif [ -n "${predefault}" ]
1566 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1567 printf " && (gdbarch->${function} == ${predefault}))\n"
1568 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1573 buf = ui_file_xstrdup (log, &dummy);
1574 make_cleanup (xfree, buf);
1575 if (strlen (buf) > 0)
1576 internal_error (__FILE__, __LINE__,
1577 "verify_gdbarch: the following are invalid ...%s",
1579 do_cleanups (cleanups);
1583 # dump the structure
1587 /* Print out the details of the current architecture. */
1589 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1590 just happens to match the global variable \`\`current_gdbarch''. That
1591 way macros refering to that variable get the local and not the global
1592 version - ulgh. Once everything is parameterised with gdbarch, this
1596 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1598 fprintf_unfiltered (file,
1599 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1602 function_list |
sort -t: -k 3 |
while do_read
1604 # First the predicate
1605 if class_is_predicate_p
1607 if class_is_multiarch_p
1609 printf " if (GDB_MULTI_ARCH)\n"
1610 printf " fprintf_unfiltered (file,\n"
1611 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1612 printf " gdbarch_${function}_p (current_gdbarch));\n"
1614 printf "#ifdef ${macro}_P\n"
1615 printf " fprintf_unfiltered (file,\n"
1616 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1617 printf " \"${macro}_P()\",\n"
1618 printf " XSTRING (${macro}_P ()));\n"
1619 printf " fprintf_unfiltered (file,\n"
1620 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1621 printf " ${macro}_P ());\n"
1625 # multiarch functions don't have macros.
1626 if class_is_multiarch_p
1628 printf " if (GDB_MULTI_ARCH)\n"
1629 printf " fprintf_unfiltered (file,\n"
1630 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1631 printf " (long) current_gdbarch->${function});\n"
1634 # Print the macro definition.
1635 printf "#ifdef ${macro}\n"
1636 if [ "x${returntype}" = "xvoid" ]
1638 printf "#if GDB_MULTI_ARCH\n"
1639 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1641 if class_is_function_p
1643 printf " fprintf_unfiltered (file,\n"
1644 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1645 printf " \"${macro}(${actual})\",\n"
1646 printf " XSTRING (${macro} (${actual})));\n"
1648 printf " fprintf_unfiltered (file,\n"
1649 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1650 printf " XSTRING (${macro}));\n"
1652 # Print the architecture vector value
1653 if [ "x${returntype}" = "xvoid" ]
1657 if [ "x${print_p}" = "x()" ]
1659 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1660 elif [ "x${print_p}" = "x0" ]
1662 printf " /* skip print of ${macro}, print_p == 0. */\n"
1663 elif [ -n "${print_p}" ]
1665 printf " if (${print_p})\n"
1666 printf " fprintf_unfiltered (file,\n"
1667 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1668 printf " ${print});\n"
1669 elif class_is_function_p
1671 printf " if (GDB_MULTI_ARCH)\n"
1672 printf " fprintf_unfiltered (file,\n"
1673 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1674 printf " (long) current_gdbarch->${function}\n"
1675 printf " /*${macro} ()*/);\n"
1677 printf " fprintf_unfiltered (file,\n"
1678 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1679 printf " ${print});\n"
1684 if (current_gdbarch->dump_tdep != NULL)
1685 current_gdbarch->dump_tdep (current_gdbarch, file);
1693 struct gdbarch_tdep *
1694 gdbarch_tdep (struct gdbarch *gdbarch)
1696 if (gdbarch_debug >= 2)
1697 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1698 return gdbarch->tdep;
1702 function_list |
while do_read
1704 if class_is_predicate_p
1708 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1710 printf " gdb_assert (gdbarch != NULL);\n"
1711 if [ -n "${predicate}" ]
1713 printf " return ${predicate};\n"
1715 printf " return gdbarch->${function} != 0;\n"
1719 if class_is_function_p
1722 printf "${returntype}\n"
1723 if [ "x${formal}" = "xvoid" ]
1725 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1727 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1730 printf " gdb_assert (gdbarch != NULL);\n"
1731 printf " if (gdbarch->${function} == 0)\n"
1732 printf " internal_error (__FILE__, __LINE__,\n"
1733 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1734 if class_is_predicate_p
&& test -n "${predicate}"
1736 # Allow a call to a function with a predicate.
1737 printf " /* Ignore predicate (${predicate}). */\n"
1739 printf " if (gdbarch_debug >= 2)\n"
1740 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1741 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1743 if class_is_multiarch_p
1750 if class_is_multiarch_p
1752 params
="gdbarch, ${actual}"
1757 if [ "x${returntype}" = "xvoid" ]
1759 printf " gdbarch->${function} (${params});\n"
1761 printf " return gdbarch->${function} (${params});\n"
1766 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1767 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1769 printf " gdbarch->${function} = ${function};\n"
1771 elif class_is_variable_p
1774 printf "${returntype}\n"
1775 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1777 printf " gdb_assert (gdbarch != NULL);\n"
1778 if [ "x${invalid_p}" = "x0" ]
1780 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1781 elif [ -n "${invalid_p}" ]
1783 printf " if (${invalid_p})\n"
1784 printf " internal_error (__FILE__, __LINE__,\n"
1785 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1786 elif [ -n "${predefault}" ]
1788 printf " if (gdbarch->${function} == ${predefault})\n"
1789 printf " internal_error (__FILE__, __LINE__,\n"
1790 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1792 printf " if (gdbarch_debug >= 2)\n"
1793 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1794 printf " return gdbarch->${function};\n"
1798 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1799 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1801 printf " gdbarch->${function} = ${function};\n"
1803 elif class_is_info_p
1806 printf "${returntype}\n"
1807 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1809 printf " gdb_assert (gdbarch != NULL);\n"
1810 printf " if (gdbarch_debug >= 2)\n"
1811 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1812 printf " return gdbarch->${function};\n"
1817 # All the trailing guff
1821 /* Keep a registry of per-architecture data-pointers required by GDB
1828 gdbarch_data_init_ftype *init;
1829 gdbarch_data_free_ftype *free;
1832 struct gdbarch_data_registration
1834 struct gdbarch_data *data;
1835 struct gdbarch_data_registration *next;
1838 struct gdbarch_data_registry
1841 struct gdbarch_data_registration *registrations;
1844 struct gdbarch_data_registry gdbarch_data_registry =
1849 struct gdbarch_data *
1850 register_gdbarch_data (gdbarch_data_init_ftype *init,
1851 gdbarch_data_free_ftype *free)
1853 struct gdbarch_data_registration **curr;
1854 /* Append the new registraration. */
1855 for (curr = &gdbarch_data_registry.registrations;
1857 curr = &(*curr)->next);
1858 (*curr) = XMALLOC (struct gdbarch_data_registration);
1859 (*curr)->next = NULL;
1860 (*curr)->data = XMALLOC (struct gdbarch_data);
1861 (*curr)->data->index = gdbarch_data_registry.nr++;
1862 (*curr)->data->init = init;
1863 (*curr)->data->init_p = 1;
1864 (*curr)->data->free = free;
1865 return (*curr)->data;
1869 /* Create/delete the gdbarch data vector. */
1872 alloc_gdbarch_data (struct gdbarch *gdbarch)
1874 gdb_assert (gdbarch->data == NULL);
1875 gdbarch->nr_data = gdbarch_data_registry.nr;
1876 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1880 free_gdbarch_data (struct gdbarch *gdbarch)
1882 struct gdbarch_data_registration *rego;
1883 gdb_assert (gdbarch->data != NULL);
1884 for (rego = gdbarch_data_registry.registrations;
1888 struct gdbarch_data *data = rego->data;
1889 gdb_assert (data->index < gdbarch->nr_data);
1890 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1892 data->free (gdbarch, gdbarch->data[data->index]);
1893 gdbarch->data[data->index] = NULL;
1896 xfree (gdbarch->data);
1897 gdbarch->data = NULL;
1901 /* Initialize the current value of the specified per-architecture
1905 set_gdbarch_data (struct gdbarch *gdbarch,
1906 struct gdbarch_data *data,
1909 gdb_assert (data->index < gdbarch->nr_data);
1910 if (gdbarch->data[data->index] != NULL)
1912 gdb_assert (data->free != NULL);
1913 data->free (gdbarch, gdbarch->data[data->index]);
1915 gdbarch->data[data->index] = pointer;
1918 /* Return the current value of the specified per-architecture
1922 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1924 gdb_assert (data->index < gdbarch->nr_data);
1925 /* The data-pointer isn't initialized, call init() to get a value but
1926 only if the architecture initializaiton has completed. Otherwise
1927 punt - hope that the caller knows what they are doing. */
1928 if (gdbarch->data[data->index] == NULL
1929 && gdbarch->initialized_p)
1931 /* Be careful to detect an initialization cycle. */
1932 gdb_assert (data->init_p);
1934 gdb_assert (data->init != NULL);
1935 gdbarch->data[data->index] = data->init (gdbarch);
1937 gdb_assert (gdbarch->data[data->index] != NULL);
1939 return gdbarch->data[data->index];
1944 /* Keep a registry of swapped data required by GDB modules. */
1949 struct gdbarch_swap_registration *source;
1950 struct gdbarch_swap *next;
1953 struct gdbarch_swap_registration
1956 unsigned long sizeof_data;
1957 gdbarch_swap_ftype *init;
1958 struct gdbarch_swap_registration *next;
1961 struct gdbarch_swap_registry
1964 struct gdbarch_swap_registration *registrations;
1967 struct gdbarch_swap_registry gdbarch_swap_registry =
1973 register_gdbarch_swap (void *data,
1974 unsigned long sizeof_data,
1975 gdbarch_swap_ftype *init)
1977 struct gdbarch_swap_registration **rego;
1978 for (rego = &gdbarch_swap_registry.registrations;
1980 rego = &(*rego)->next);
1981 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1982 (*rego)->next = NULL;
1983 (*rego)->init = init;
1984 (*rego)->data = data;
1985 (*rego)->sizeof_data = sizeof_data;
1989 clear_gdbarch_swap (struct gdbarch *gdbarch)
1991 struct gdbarch_swap *curr;
1992 for (curr = gdbarch->swap;
1996 memset (curr->source->data, 0, curr->source->sizeof_data);
2001 init_gdbarch_swap (struct gdbarch *gdbarch)
2003 struct gdbarch_swap_registration *rego;
2004 struct gdbarch_swap **curr = &gdbarch->swap;
2005 for (rego = gdbarch_swap_registry.registrations;
2009 if (rego->data != NULL)
2011 (*curr) = XMALLOC (struct gdbarch_swap);
2012 (*curr)->source = rego;
2013 (*curr)->swap = xmalloc (rego->sizeof_data);
2014 (*curr)->next = NULL;
2015 curr = &(*curr)->next;
2017 if (rego->init != NULL)
2023 swapout_gdbarch_swap (struct gdbarch *gdbarch)
2025 struct gdbarch_swap *curr;
2026 for (curr = gdbarch->swap;
2029 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2033 swapin_gdbarch_swap (struct gdbarch *gdbarch)
2035 struct gdbarch_swap *curr;
2036 for (curr = gdbarch->swap;
2039 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2043 /* Keep a registry of the architectures known by GDB. */
2045 struct gdbarch_registration
2047 enum bfd_architecture bfd_architecture;
2048 gdbarch_init_ftype *init;
2049 gdbarch_dump_tdep_ftype *dump_tdep;
2050 struct gdbarch_list *arches;
2051 struct gdbarch_registration *next;
2054 static struct gdbarch_registration *gdbarch_registry = NULL;
2057 append_name (const char ***buf, int *nr, const char *name)
2059 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2065 gdbarch_printable_names (void)
2069 /* Accumulate a list of names based on the registed list of
2071 enum bfd_architecture a;
2073 const char **arches = NULL;
2074 struct gdbarch_registration *rego;
2075 for (rego = gdbarch_registry;
2079 const struct bfd_arch_info *ap;
2080 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2082 internal_error (__FILE__, __LINE__,
2083 "gdbarch_architecture_names: multi-arch unknown");
2086 append_name (&arches, &nr_arches, ap->printable_name);
2091 append_name (&arches, &nr_arches, NULL);
2095 /* Just return all the architectures that BFD knows. Assume that
2096 the legacy architecture framework supports them. */
2097 return bfd_arch_list ();
2102 gdbarch_register (enum bfd_architecture bfd_architecture,
2103 gdbarch_init_ftype *init,
2104 gdbarch_dump_tdep_ftype *dump_tdep)
2106 struct gdbarch_registration **curr;
2107 const struct bfd_arch_info *bfd_arch_info;
2108 /* Check that BFD recognizes this architecture */
2109 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2110 if (bfd_arch_info == NULL)
2112 internal_error (__FILE__, __LINE__,
2113 "gdbarch: Attempt to register unknown architecture (%d)",
2116 /* Check that we haven't seen this architecture before */
2117 for (curr = &gdbarch_registry;
2119 curr = &(*curr)->next)
2121 if (bfd_architecture == (*curr)->bfd_architecture)
2122 internal_error (__FILE__, __LINE__,
2123 "gdbarch: Duplicate registraration of architecture (%s)",
2124 bfd_arch_info->printable_name);
2128 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2129 bfd_arch_info->printable_name,
2132 (*curr) = XMALLOC (struct gdbarch_registration);
2133 (*curr)->bfd_architecture = bfd_architecture;
2134 (*curr)->init = init;
2135 (*curr)->dump_tdep = dump_tdep;
2136 (*curr)->arches = NULL;
2137 (*curr)->next = NULL;
2138 /* When non- multi-arch, install whatever target dump routine we've
2139 been provided - hopefully that routine has been written correctly
2140 and works regardless of multi-arch. */
2141 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2142 && startup_gdbarch.dump_tdep == NULL)
2143 startup_gdbarch.dump_tdep = dump_tdep;
2147 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2148 gdbarch_init_ftype *init)
2150 gdbarch_register (bfd_architecture, init, NULL);
2154 /* Look for an architecture using gdbarch_info. Base search on only
2155 BFD_ARCH_INFO and BYTE_ORDER. */
2157 struct gdbarch_list *
2158 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2159 const struct gdbarch_info *info)
2161 for (; arches != NULL; arches = arches->next)
2163 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2165 if (info->byte_order != arches->gdbarch->byte_order)
2167 if (info->osabi != arches->gdbarch->osabi)
2175 /* Update the current architecture. Return ZERO if the update request
2179 gdbarch_update_p (struct gdbarch_info info)
2181 struct gdbarch *new_gdbarch;
2182 struct gdbarch *old_gdbarch;
2183 struct gdbarch_registration *rego;
2185 /* Fill in missing parts of the INFO struct using a number of
2186 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2188 /* \`\`(gdb) set architecture ...'' */
2189 if (info.bfd_arch_info == NULL
2190 && !TARGET_ARCHITECTURE_AUTO)
2191 info.bfd_arch_info = TARGET_ARCHITECTURE;
2192 if (info.bfd_arch_info == NULL
2193 && info.abfd != NULL
2194 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2195 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2196 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2197 if (info.bfd_arch_info == NULL)
2198 info.bfd_arch_info = TARGET_ARCHITECTURE;
2200 /* \`\`(gdb) set byte-order ...'' */
2201 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2202 && !TARGET_BYTE_ORDER_AUTO)
2203 info.byte_order = TARGET_BYTE_ORDER;
2204 /* From the INFO struct. */
2205 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2206 && info.abfd != NULL)
2207 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2208 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2209 : BFD_ENDIAN_UNKNOWN);
2210 /* From the current target. */
2211 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2212 info.byte_order = TARGET_BYTE_ORDER;
2214 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2215 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2216 info.osabi = gdbarch_lookup_osabi (info.abfd);
2217 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2218 info.osabi = current_gdbarch->osabi;
2220 /* Must have found some sort of architecture. */
2221 gdb_assert (info.bfd_arch_info != NULL);
2225 fprintf_unfiltered (gdb_stdlog,
2226 "gdbarch_update: info.bfd_arch_info %s\n",
2227 (info.bfd_arch_info != NULL
2228 ? info.bfd_arch_info->printable_name
2230 fprintf_unfiltered (gdb_stdlog,
2231 "gdbarch_update: info.byte_order %d (%s)\n",
2233 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2234 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2236 fprintf_unfiltered (gdb_stdlog,
2237 "gdbarch_update: info.osabi %d (%s)\n",
2238 info.osabi, gdbarch_osabi_name (info.osabi));
2239 fprintf_unfiltered (gdb_stdlog,
2240 "gdbarch_update: info.abfd 0x%lx\n",
2242 fprintf_unfiltered (gdb_stdlog,
2243 "gdbarch_update: info.tdep_info 0x%lx\n",
2244 (long) info.tdep_info);
2247 /* Find the target that knows about this architecture. */
2248 for (rego = gdbarch_registry;
2251 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2256 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2260 /* Swap the data belonging to the old target out setting the
2261 installed data to zero. This stops the ->init() function trying
2262 to refer to the previous architecture's global data structures. */
2263 swapout_gdbarch_swap (current_gdbarch);
2264 clear_gdbarch_swap (current_gdbarch);
2266 /* Save the previously selected architecture, setting the global to
2267 NULL. This stops ->init() trying to use the previous
2268 architecture's configuration. The previous architecture may not
2269 even be of the same architecture family. The most recent
2270 architecture of the same family is found at the head of the
2271 rego->arches list. */
2272 old_gdbarch = current_gdbarch;
2273 current_gdbarch = NULL;
2275 /* Ask the target for a replacement architecture. */
2276 new_gdbarch = rego->init (info, rego->arches);
2278 /* Did the target like it? No. Reject the change and revert to the
2279 old architecture. */
2280 if (new_gdbarch == NULL)
2283 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2284 swapin_gdbarch_swap (old_gdbarch);
2285 current_gdbarch = old_gdbarch;
2289 /* Did the architecture change? No. Oops, put the old architecture
2291 if (old_gdbarch == new_gdbarch)
2294 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2296 new_gdbarch->bfd_arch_info->printable_name);
2297 swapin_gdbarch_swap (old_gdbarch);
2298 current_gdbarch = old_gdbarch;
2302 /* Is this a pre-existing architecture? Yes. Move it to the front
2303 of the list of architectures (keeping the list sorted Most
2304 Recently Used) and then copy it in. */
2306 struct gdbarch_list **list;
2307 for (list = ®o->arches;
2309 list = &(*list)->next)
2311 if ((*list)->gdbarch == new_gdbarch)
2313 struct gdbarch_list *this;
2315 fprintf_unfiltered (gdb_stdlog,
2316 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2318 new_gdbarch->bfd_arch_info->printable_name);
2321 (*list) = this->next;
2322 /* Insert in the front. */
2323 this->next = rego->arches;
2324 rego->arches = this;
2325 /* Copy the new architecture in. */
2326 current_gdbarch = new_gdbarch;
2327 swapin_gdbarch_swap (new_gdbarch);
2328 architecture_changed_event ();
2334 /* Prepend this new architecture to the architecture list (keep the
2335 list sorted Most Recently Used). */
2337 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2338 this->next = rego->arches;
2339 this->gdbarch = new_gdbarch;
2340 rego->arches = this;
2343 /* Switch to this new architecture marking it initialized. */
2344 current_gdbarch = new_gdbarch;
2345 current_gdbarch->initialized_p = 1;
2348 fprintf_unfiltered (gdb_stdlog,
2349 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2351 new_gdbarch->bfd_arch_info->printable_name);
2354 /* Check that the newly installed architecture is valid. Plug in
2355 any post init values. */
2356 new_gdbarch->dump_tdep = rego->dump_tdep;
2357 verify_gdbarch (new_gdbarch);
2359 /* Initialize the per-architecture memory (swap) areas.
2360 CURRENT_GDBARCH must be update before these modules are
2362 init_gdbarch_swap (new_gdbarch);
2364 /* Initialize the per-architecture data. CURRENT_GDBARCH
2365 must be updated before these modules are called. */
2366 architecture_changed_event ();
2369 gdbarch_dump (current_gdbarch, gdb_stdlog);
2377 /* Pointer to the target-dependent disassembly function. */
2378 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2379 disassemble_info tm_print_insn_info;
2382 extern void _initialize_gdbarch (void);
2385 _initialize_gdbarch (void)
2387 struct cmd_list_element *c;
2389 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2390 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2391 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2392 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2393 tm_print_insn_info.print_address_func = dis_asm_print_address;
2395 add_show_from_set (add_set_cmd ("arch",
2398 (char *)&gdbarch_debug,
2399 "Set architecture debugging.\\n\\
2400 When non-zero, architecture debugging is enabled.", &setdebuglist),
2402 c = add_set_cmd ("archdebug",
2405 (char *)&gdbarch_debug,
2406 "Set architecture debugging.\\n\\
2407 When non-zero, architecture debugging is enabled.", &setlist);
2409 deprecate_cmd (c, "set debug arch");
2410 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2416 #../move-if-change new-gdbarch.c gdbarch.c
2417 compare_new gdbarch.c