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 f:2:TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
434 # Function for getting target's idea of a frame pointer. FIXME: GDB's
435 # whole scheme for dealing with "frames" and "frame pointers" needs a
437 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
439 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf:
440 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf:
442 v:2:NUM_REGS:int:num_regs::::0:-1
443 # This macro gives the number of pseudo-registers that live in the
444 # register namespace but do not get fetched or stored on the target.
445 # These pseudo-registers may be aliases for other registers,
446 # combinations of other registers, or they may be computed by GDB.
447 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
449 # GDB's standard (or well known) register numbers. These can map onto
450 # a real register or a pseudo (computed) register or not be defined at
452 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
453 v:2:FP_REGNUM:int:fp_regnum::::-1:-1::0
454 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
455 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
456 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
457 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
458 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
459 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
460 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
461 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
462 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
463 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
464 # Convert from an sdb register number to an internal gdb register number.
465 # This should be defined in tm.h, if REGISTER_NAMES is not set up
466 # to map one to one onto the sdb register numbers.
467 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
468 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
469 f:2:REGISTER_NAME:const char *:register_name:int regnr:regnr:::legacy_register_name::0
470 v:2:REGISTER_SIZE:int:register_size::::0:-1
471 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
472 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte::0
473 # The methods REGISTER_VIRTUAL_TYPE, MAX_REGISTER_RAW_SIZE,
474 # MAX_REGISTER_VIRTUAL_SIZE, MAX_REGISTER_RAW_SIZE,
475 # REGISTER_VIRTUAL_SIZE and REGISTER_RAW_SIZE are all being replaced
477 f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::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 V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
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 f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
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 V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
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 have all being replaced
497 F:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
498 M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr::0:
500 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
501 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
502 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
503 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
504 # MAP a GDB RAW register number onto a simulator register number. See
505 # also include/...-sim.h.
506 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
507 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
508 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
509 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
510 # setjmp/longjmp support.
511 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc::0:0
513 # Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
514 # much better but at least they are vaguely consistent). The headers
515 # and body contain convoluted #if/#else sequences for determine how
516 # things should be compiled. Instead of trying to mimic that
517 # behaviour here (and hence entrench it further) gdbarch simply
518 # reqires that these methods be set up from the word go. This also
519 # avoids any potential problems with moving beyond multi-arch partial.
520 v:1:DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
521 v:1:CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
522 f:2:CALL_DUMMY_ADDRESS:CORE_ADDR:call_dummy_address:void:::0:0::gdbarch->call_dummy_location == AT_ENTRY_POINT && gdbarch->call_dummy_address == 0
523 v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx
524 v:2:CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:call_dummy_breakpoint_offset::::0:-1::gdbarch->call_dummy_breakpoint_offset_p && gdbarch->call_dummy_breakpoint_offset == -1:0x%08lx::CALL_DUMMY_BREAKPOINT_OFFSET_P
525 v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1
526 v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::gdbarch->call_dummy_length >= 0
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:1: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:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1
534 v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
535 v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx
536 v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1:::0x%08lx
537 v:2:CALL_DUMMY_STACK_ADJUST:int:call_dummy_stack_adjust::::0:::gdbarch->call_dummy_stack_adjust_p && gdbarch->call_dummy_stack_adjust == 0:0x%08lx::CALL_DUMMY_STACK_ADJUST_P
538 f:2: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:::0
539 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
540 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
542 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
543 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
544 F:2:GET_SAVED_REGISTER:void: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
546 f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
547 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
548 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
550 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
551 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
552 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
554 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
555 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
556 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
558 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
559 f:2:PUSH_ARGUMENTS:CORE_ADDR:push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr:::default_push_arguments::0
560 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-:::0
561 F:2:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
562 F:2:POP_FRAME:void:pop_frame:void:-:::0
564 f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
566 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
567 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
568 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
569 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
571 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache:::0
572 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf:::0
573 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
575 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame:::0
576 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
578 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
579 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
580 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
581 f:2:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
582 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
583 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
584 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
585 f:2:PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
586 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
588 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
590 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
591 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
592 F:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
593 F:2:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
594 # NOTE: FRAME_SAVED_PC is replaced by UNWIND_PC
595 F:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
596 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame:
597 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:get_frame_base::0
598 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:get_frame_base::0
599 f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
600 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
602 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
603 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
604 v:2:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
605 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
606 # FIXME: kettenis/2003-03-08: This should be replaced by a function
607 # parametrized with (at least) the regcache.
608 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
609 M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info::0:0
610 v:2:PARM_BOUNDARY:int:parm_boundary
612 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
613 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
614 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
615 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
616 # On some machines there are bits in addresses which are not really
617 # part of the address, but are used by the kernel, the hardware, etc.
618 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
619 # we get a "real" address such as one would find in a symbol table.
620 # This is used only for addresses of instructions, and even then I'm
621 # not sure it's used in all contexts. It exists to deal with there
622 # being a few stray bits in the PC which would mislead us, not as some
623 # sort of generic thing to handle alignment or segmentation (it's
624 # possible it should be in TARGET_READ_PC instead).
625 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
626 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
628 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
629 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
630 # the target needs software single step. An ISA method to implement it.
632 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
633 # using the breakpoint system instead of blatting memory directly (as with rs6000).
635 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
636 # single step. If not, then implement single step using breakpoints.
637 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
638 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
639 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
642 # For SVR4 shared libraries, each call goes through a small piece of
643 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
644 # to nonzero if we are currently stopped in one of these.
645 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
647 # Some systems also have trampoline code for returning from shared libs.
648 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
650 # Sigtramp is a routine that the kernel calls (which then calls the
651 # signal handler). On most machines it is a library routine that is
652 # linked into the executable.
654 # This macro, given a program counter value and the name of the
655 # function in which that PC resides (which can be null if the name is
656 # not known), returns nonzero if the PC and name show that we are in
659 # On most machines just see if the name is sigtramp (and if we have
660 # no name, assume we are not in sigtramp).
662 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
663 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
664 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
665 # own local NAME lookup.
667 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
668 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
670 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
671 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
672 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
673 # A target might have problems with watchpoints as soon as the stack
674 # frame of the current function has been destroyed. This mostly happens
675 # as the first action in a funtion's epilogue. in_function_epilogue_p()
676 # is defined to return a non-zero value if either the given addr is one
677 # instruction after the stack destroying instruction up to the trailing
678 # return instruction or if we can figure out that the stack frame has
679 # already been invalidated regardless of the value of addr. Targets
680 # which don't suffer from that problem could just let this functionality
682 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
683 # Given a vector of command-line arguments, return a newly allocated
684 # string which, when passed to the create_inferior function, will be
685 # parsed (on Unix systems, by the shell) to yield the same vector.
686 # This function should call error() if the argument vector is not
687 # representable for this target or if this target does not support
688 # command-line arguments.
689 # ARGC is the number of elements in the vector.
690 # ARGV is an array of strings, one per argument.
691 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
692 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
693 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
694 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
695 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
696 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
697 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
698 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
699 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags:
700 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
701 # Is a register in a group
702 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
709 exec > new-gdbarch.log
710 function_list |
while do_read
713 ${class} ${macro}(${actual})
714 ${returntype} ${function} ($formal)${attrib}
718 eval echo \"\ \ \ \
${r}=\
${${r}}\"
720 if class_is_predicate_p
&& fallback_default_p
722 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
726 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
728 echo "Error: postdefault is useless when invalid_p=0" 1>&2
732 if class_is_multiarch_p
734 if class_is_predicate_p
; then :
735 elif test "x${predefault}" = "x"
737 echo "Error: pure multi-arch function must have a predefault" 1>&2
746 compare_new gdbarch.log
752 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
754 /* Dynamic architecture support for GDB, the GNU debugger.
755 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
757 This file is part of GDB.
759 This program is free software; you can redistribute it and/or modify
760 it under the terms of the GNU General Public License as published by
761 the Free Software Foundation; either version 2 of the License, or
762 (at your option) any later version.
764 This program is distributed in the hope that it will be useful,
765 but WITHOUT ANY WARRANTY; without even the implied warranty of
766 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
767 GNU General Public License for more details.
769 You should have received a copy of the GNU General Public License
770 along with this program; if not, write to the Free Software
771 Foundation, Inc., 59 Temple Place - Suite 330,
772 Boston, MA 02111-1307, USA. */
774 /* This file was created with the aid of \`\`gdbarch.sh''.
776 The Bourne shell script \`\`gdbarch.sh'' creates the files
777 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
778 against the existing \`\`gdbarch.[hc]''. Any differences found
781 If editing this file, please also run gdbarch.sh and merge any
782 changes into that script. Conversely, when making sweeping changes
783 to this file, modifying gdbarch.sh and using its output may prove
799 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
801 /* Pull in function declarations refered to, indirectly, via macros. */
802 #include "inferior.h" /* For unsigned_address_to_pointer(). */
808 struct minimal_symbol;
812 extern struct gdbarch *current_gdbarch;
815 /* If any of the following are defined, the target wasn't correctly
819 #if defined (EXTRA_FRAME_INFO)
820 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
825 #if defined (FRAME_FIND_SAVED_REGS)
826 #error "FRAME_FIND_SAVED_REGS: replaced by DEPRECATED_FRAME_INIT_SAVED_REGS"
830 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
831 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
838 printf "/* The following are pre-initialized by GDBARCH. */\n"
839 function_list |
while do_read
844 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
845 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
846 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
847 printf "#error \"Non multi-arch definition of ${macro}\"\n"
849 printf "#if GDB_MULTI_ARCH\n"
850 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
851 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
860 printf "/* The following are initialized by the target dependent code. */\n"
861 function_list |
while do_read
863 if [ -n "${comment}" ]
865 echo "${comment}" |
sed \
870 if class_is_multiarch_p
872 if class_is_predicate_p
875 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
878 if class_is_predicate_p
881 printf "#if defined (${macro})\n"
882 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
883 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
884 printf "#if !defined (${macro}_P)\n"
885 printf "#define ${macro}_P() (1)\n"
889 printf "/* Default predicate for non- multi-arch targets. */\n"
890 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
891 printf "#define ${macro}_P() (0)\n"
894 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
895 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
896 printf "#error \"Non multi-arch definition of ${macro}\"\n"
898 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
899 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
903 if class_is_variable_p
905 if fallback_default_p || class_is_predicate_p
908 printf "/* Default (value) for non- multi-arch platforms. */\n"
909 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
910 echo "#define ${macro} (${fallbackdefault})" \
911 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
915 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
916 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
917 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
918 printf "#error \"Non multi-arch definition of ${macro}\"\n"
920 if test "${level}" = ""
922 printf "#if !defined (${macro})\n"
923 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
926 printf "#if GDB_MULTI_ARCH\n"
927 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
928 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
933 if class_is_function_p
935 if class_is_multiarch_p
; then :
936 elif fallback_default_p || class_is_predicate_p
939 printf "/* Default (function) for non- multi-arch platforms. */\n"
940 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
941 if [ "x${fallbackdefault}" = "x0" ]
943 if [ "x${actual}" = "x-" ]
945 printf "#define ${macro} (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
947 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
950 # FIXME: Should be passing current_gdbarch through!
951 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
952 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
957 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
959 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
960 elif class_is_multiarch_p
962 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
964 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
966 if [ "x${formal}" = "xvoid" ]
968 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
970 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
972 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
973 if class_is_multiarch_p
; then :
975 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
976 printf "#error \"Non multi-arch definition of ${macro}\"\n"
978 printf "#if GDB_MULTI_ARCH\n"
979 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
980 if [ "x${actual}" = "x" ]
982 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
983 elif [ "x${actual}" = "x-" ]
985 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
987 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
998 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1001 /* Mechanism for co-ordinating the selection of a specific
1004 GDB targets (*-tdep.c) can register an interest in a specific
1005 architecture. Other GDB components can register a need to maintain
1006 per-architecture data.
1008 The mechanisms below ensures that there is only a loose connection
1009 between the set-architecture command and the various GDB
1010 components. Each component can independently register their need
1011 to maintain architecture specific data with gdbarch.
1015 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1018 The more traditional mega-struct containing architecture specific
1019 data for all the various GDB components was also considered. Since
1020 GDB is built from a variable number of (fairly independent)
1021 components it was determined that the global aproach was not
1025 /* Register a new architectural family with GDB.
1027 Register support for the specified ARCHITECTURE with GDB. When
1028 gdbarch determines that the specified architecture has been
1029 selected, the corresponding INIT function is called.
1033 The INIT function takes two parameters: INFO which contains the
1034 information available to gdbarch about the (possibly new)
1035 architecture; ARCHES which is a list of the previously created
1036 \`\`struct gdbarch'' for this architecture.
1038 The INFO parameter is, as far as possible, be pre-initialized with
1039 information obtained from INFO.ABFD or the previously selected
1042 The ARCHES parameter is a linked list (sorted most recently used)
1043 of all the previously created architures for this architecture
1044 family. The (possibly NULL) ARCHES->gdbarch can used to access
1045 values from the previously selected architecture for this
1046 architecture family. The global \`\`current_gdbarch'' shall not be
1049 The INIT function shall return any of: NULL - indicating that it
1050 doesn't recognize the selected architecture; an existing \`\`struct
1051 gdbarch'' from the ARCHES list - indicating that the new
1052 architecture is just a synonym for an earlier architecture (see
1053 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1054 - that describes the selected architecture (see gdbarch_alloc()).
1056 The DUMP_TDEP function shall print out all target specific values.
1057 Care should be taken to ensure that the function works in both the
1058 multi-arch and non- multi-arch cases. */
1062 struct gdbarch *gdbarch;
1063 struct gdbarch_list *next;
1068 /* Use default: NULL (ZERO). */
1069 const struct bfd_arch_info *bfd_arch_info;
1071 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1074 /* Use default: NULL (ZERO). */
1077 /* Use default: NULL (ZERO). */
1078 struct gdbarch_tdep_info *tdep_info;
1080 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1081 enum gdb_osabi osabi;
1084 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1085 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1087 /* DEPRECATED - use gdbarch_register() */
1088 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1090 extern void gdbarch_register (enum bfd_architecture architecture,
1091 gdbarch_init_ftype *,
1092 gdbarch_dump_tdep_ftype *);
1095 /* Return a freshly allocated, NULL terminated, array of the valid
1096 architecture names. Since architectures are registered during the
1097 _initialize phase this function only returns useful information
1098 once initialization has been completed. */
1100 extern const char **gdbarch_printable_names (void);
1103 /* Helper function. Search the list of ARCHES for a GDBARCH that
1104 matches the information provided by INFO. */
1106 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1109 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1110 basic initialization using values obtained from the INFO andTDEP
1111 parameters. set_gdbarch_*() functions are called to complete the
1112 initialization of the object. */
1114 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1117 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1118 It is assumed that the caller freeds the \`\`struct
1121 extern void gdbarch_free (struct gdbarch *);
1124 /* Helper function. Force an update of the current architecture.
1126 The actual architecture selected is determined by INFO, \`\`(gdb) set
1127 architecture'' et.al., the existing architecture and BFD's default
1128 architecture. INFO should be initialized to zero and then selected
1129 fields should be updated.
1131 Returns non-zero if the update succeeds */
1133 extern int gdbarch_update_p (struct gdbarch_info info);
1137 /* Register per-architecture data-pointer.
1139 Reserve space for a per-architecture data-pointer. An identifier
1140 for the reserved data-pointer is returned. That identifer should
1141 be saved in a local static variable.
1143 The per-architecture data-pointer is either initialized explicitly
1144 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1145 gdbarch_data()). FREE() is called to delete either an existing
1146 data-pointer overridden by set_gdbarch_data() or when the
1147 architecture object is being deleted.
1149 When a previously created architecture is re-selected, the
1150 per-architecture data-pointer for that previous architecture is
1151 restored. INIT() is not re-called.
1153 Multiple registrarants for any architecture are allowed (and
1154 strongly encouraged). */
1156 struct gdbarch_data;
1158 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1159 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1161 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1162 gdbarch_data_free_ftype *free);
1163 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1164 struct gdbarch_data *data,
1167 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1170 /* Register per-architecture memory region.
1172 Provide a memory-region swap mechanism. Per-architecture memory
1173 region are created. These memory regions are swapped whenever the
1174 architecture is changed. For a new architecture, the memory region
1175 is initialized with zero (0) and the INIT function is called.
1177 Memory regions are swapped / initialized in the order that they are
1178 registered. NULL DATA and/or INIT values can be specified.
1180 New code should use register_gdbarch_data(). */
1182 typedef void (gdbarch_swap_ftype) (void);
1183 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1184 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1188 /* The target-system-dependent byte order is dynamic */
1190 extern int target_byte_order;
1191 #ifndef TARGET_BYTE_ORDER
1192 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1195 extern int target_byte_order_auto;
1196 #ifndef TARGET_BYTE_ORDER_AUTO
1197 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1202 /* The target-system-dependent BFD architecture is dynamic */
1204 extern int target_architecture_auto;
1205 #ifndef TARGET_ARCHITECTURE_AUTO
1206 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1209 extern const struct bfd_arch_info *target_architecture;
1210 #ifndef TARGET_ARCHITECTURE
1211 #define TARGET_ARCHITECTURE (target_architecture + 0)
1215 /* The target-system-dependent disassembler is semi-dynamic */
1217 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1218 unsigned int len, disassemble_info *info);
1220 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1221 disassemble_info *info);
1223 extern void dis_asm_print_address (bfd_vma addr,
1224 disassemble_info *info);
1226 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1227 extern disassemble_info tm_print_insn_info;
1228 #ifndef TARGET_PRINT_INSN_INFO
1229 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1234 /* Set the dynamic target-system-dependent parameters (architecture,
1235 byte-order, ...) using information found in the BFD */
1237 extern void set_gdbarch_from_file (bfd *);
1240 /* Initialize the current architecture to the "first" one we find on
1243 extern void initialize_current_architecture (void);
1245 /* For non-multiarched targets, do any initialization of the default
1246 gdbarch object necessary after the _initialize_MODULE functions
1248 extern void initialize_non_multiarch (void);
1250 /* gdbarch trace variable */
1251 extern int gdbarch_debug;
1253 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1258 #../move-if-change new-gdbarch.h gdbarch.h
1259 compare_new gdbarch.h
1266 exec > new-gdbarch.c
1271 #include "arch-utils.h"
1275 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1277 /* Just include everything in sight so that the every old definition
1278 of macro is visible. */
1279 #include "gdb_string.h"
1283 #include "inferior.h"
1284 #include "breakpoint.h"
1285 #include "gdb_wait.h"
1286 #include "gdbcore.h"
1289 #include "gdbthread.h"
1290 #include "annotate.h"
1291 #include "symfile.h" /* for overlay functions */
1292 #include "value.h" /* For old tm.h/nm.h macros. */
1296 #include "floatformat.h"
1298 #include "gdb_assert.h"
1299 #include "gdb_string.h"
1300 #include "gdb-events.h"
1301 #include "reggroups.h"
1304 /* Static function declarations */
1306 static void verify_gdbarch (struct gdbarch *gdbarch);
1307 static void alloc_gdbarch_data (struct gdbarch *);
1308 static void free_gdbarch_data (struct gdbarch *);
1309 static void init_gdbarch_swap (struct gdbarch *);
1310 static void clear_gdbarch_swap (struct gdbarch *);
1311 static void swapout_gdbarch_swap (struct gdbarch *);
1312 static void swapin_gdbarch_swap (struct gdbarch *);
1314 /* Non-zero if we want to trace architecture code. */
1316 #ifndef GDBARCH_DEBUG
1317 #define GDBARCH_DEBUG 0
1319 int gdbarch_debug = GDBARCH_DEBUG;
1323 # gdbarch open the gdbarch object
1325 printf "/* Maintain the struct gdbarch object */\n"
1327 printf "struct gdbarch\n"
1329 printf " /* Has this architecture been fully initialized? */\n"
1330 printf " int initialized_p;\n"
1331 printf " /* basic architectural information */\n"
1332 function_list |
while do_read
1336 printf " ${returntype} ${function};\n"
1340 printf " /* target specific vector. */\n"
1341 printf " struct gdbarch_tdep *tdep;\n"
1342 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1344 printf " /* per-architecture data-pointers */\n"
1345 printf " unsigned nr_data;\n"
1346 printf " void **data;\n"
1348 printf " /* per-architecture swap-regions */\n"
1349 printf " struct gdbarch_swap *swap;\n"
1352 /* Multi-arch values.
1354 When extending this structure you must:
1356 Add the field below.
1358 Declare set/get functions and define the corresponding
1361 gdbarch_alloc(): If zero/NULL is not a suitable default,
1362 initialize the new field.
1364 verify_gdbarch(): Confirm that the target updated the field
1367 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1370 \`\`startup_gdbarch()'': Append an initial value to the static
1371 variable (base values on the host's c-type system).
1373 get_gdbarch(): Implement the set/get functions (probably using
1374 the macro's as shortcuts).
1379 function_list |
while do_read
1381 if class_is_variable_p
1383 printf " ${returntype} ${function};\n"
1384 elif class_is_function_p
1386 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1391 # A pre-initialized vector
1395 /* The default architecture uses host values (for want of a better
1399 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1401 printf "struct gdbarch startup_gdbarch =\n"
1403 printf " 1, /* Always initialized. */\n"
1404 printf " /* basic architecture information */\n"
1405 function_list |
while do_read
1409 printf " ${staticdefault},\n"
1413 /* target specific vector and its dump routine */
1415 /*per-architecture data-pointers and swap regions */
1417 /* Multi-arch values */
1419 function_list |
while do_read
1421 if class_is_function_p || class_is_variable_p
1423 printf " ${staticdefault},\n"
1427 /* startup_gdbarch() */
1430 struct gdbarch *current_gdbarch = &startup_gdbarch;
1432 /* Do any initialization needed for a non-multiarch configuration
1433 after the _initialize_MODULE functions have been run. */
1435 initialize_non_multiarch (void)
1437 alloc_gdbarch_data (&startup_gdbarch);
1438 /* Ensure that all swap areas are zeroed so that they again think
1439 they are starting from scratch. */
1440 clear_gdbarch_swap (&startup_gdbarch);
1441 init_gdbarch_swap (&startup_gdbarch);
1445 # Create a new gdbarch struct
1449 /* Create a new \`\`struct gdbarch'' based on information provided by
1450 \`\`struct gdbarch_info''. */
1455 gdbarch_alloc (const struct gdbarch_info *info,
1456 struct gdbarch_tdep *tdep)
1458 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1459 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1460 the current local architecture and not the previous global
1461 architecture. This ensures that the new architectures initial
1462 values are not influenced by the previous architecture. Once
1463 everything is parameterised with gdbarch, this will go away. */
1464 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1465 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1467 alloc_gdbarch_data (current_gdbarch);
1469 current_gdbarch->tdep = tdep;
1472 function_list |
while do_read
1476 printf " current_gdbarch->${function} = info->${function};\n"
1480 printf " /* Force the explicit initialization of these. */\n"
1481 function_list |
while do_read
1483 if class_is_function_p || class_is_variable_p
1485 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1487 printf " current_gdbarch->${function} = ${predefault};\n"
1492 /* gdbarch_alloc() */
1494 return current_gdbarch;
1498 # Free a gdbarch struct.
1502 /* Free a gdbarch struct. This should never happen in normal
1503 operation --- once you've created a gdbarch, you keep it around.
1504 However, if an architecture's init function encounters an error
1505 building the structure, it may need to clean up a partially
1506 constructed gdbarch. */
1509 gdbarch_free (struct gdbarch *arch)
1511 gdb_assert (arch != NULL);
1512 free_gdbarch_data (arch);
1517 # verify a new architecture
1520 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1524 verify_gdbarch (struct gdbarch *gdbarch)
1526 struct ui_file *log;
1527 struct cleanup *cleanups;
1530 /* Only perform sanity checks on a multi-arch target. */
1531 if (!GDB_MULTI_ARCH)
1533 log = mem_fileopen ();
1534 cleanups = make_cleanup_ui_file_delete (log);
1536 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1537 fprintf_unfiltered (log, "\n\tbyte-order");
1538 if (gdbarch->bfd_arch_info == NULL)
1539 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1540 /* Check those that need to be defined for the given multi-arch level. */
1542 function_list |
while do_read
1544 if class_is_function_p || class_is_variable_p
1546 if [ "x${invalid_p}" = "x0" ]
1548 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1549 elif class_is_predicate_p
1551 printf " /* Skip verify of ${function}, has predicate */\n"
1552 # FIXME: See do_read for potential simplification
1553 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1555 printf " if (${invalid_p})\n"
1556 printf " gdbarch->${function} = ${postdefault};\n"
1557 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1559 printf " if (gdbarch->${function} == ${predefault})\n"
1560 printf " gdbarch->${function} = ${postdefault};\n"
1561 elif [ -n "${postdefault}" ]
1563 printf " if (gdbarch->${function} == 0)\n"
1564 printf " gdbarch->${function} = ${postdefault};\n"
1565 elif [ -n "${invalid_p}" ]
1567 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1568 printf " && (${invalid_p}))\n"
1569 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1570 elif [ -n "${predefault}" ]
1572 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1573 printf " && (gdbarch->${function} == ${predefault}))\n"
1574 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1579 buf = ui_file_xstrdup (log, &dummy);
1580 make_cleanup (xfree, buf);
1581 if (strlen (buf) > 0)
1582 internal_error (__FILE__, __LINE__,
1583 "verify_gdbarch: the following are invalid ...%s",
1585 do_cleanups (cleanups);
1589 # dump the structure
1593 /* Print out the details of the current architecture. */
1595 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1596 just happens to match the global variable \`\`current_gdbarch''. That
1597 way macros refering to that variable get the local and not the global
1598 version - ulgh. Once everything is parameterised with gdbarch, this
1602 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1604 fprintf_unfiltered (file,
1605 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1608 function_list |
sort -t: -k 3 |
while do_read
1610 # First the predicate
1611 if class_is_predicate_p
1613 if class_is_multiarch_p
1615 printf " if (GDB_MULTI_ARCH)\n"
1616 printf " fprintf_unfiltered (file,\n"
1617 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1618 printf " gdbarch_${function}_p (current_gdbarch));\n"
1620 printf "#ifdef ${macro}_P\n"
1621 printf " fprintf_unfiltered (file,\n"
1622 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1623 printf " \"${macro}_P()\",\n"
1624 printf " XSTRING (${macro}_P ()));\n"
1625 printf " fprintf_unfiltered (file,\n"
1626 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1627 printf " ${macro}_P ());\n"
1631 # multiarch functions don't have macros.
1632 if class_is_multiarch_p
1634 printf " if (GDB_MULTI_ARCH)\n"
1635 printf " fprintf_unfiltered (file,\n"
1636 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1637 printf " (long) current_gdbarch->${function});\n"
1640 # Print the macro definition.
1641 printf "#ifdef ${macro}\n"
1642 if [ "x${returntype}" = "xvoid" ]
1644 printf "#if GDB_MULTI_ARCH\n"
1645 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1647 if class_is_function_p
1649 printf " fprintf_unfiltered (file,\n"
1650 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1651 printf " \"${macro}(${actual})\",\n"
1652 printf " XSTRING (${macro} (${actual})));\n"
1654 printf " fprintf_unfiltered (file,\n"
1655 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1656 printf " XSTRING (${macro}));\n"
1658 # Print the architecture vector value
1659 if [ "x${returntype}" = "xvoid" ]
1663 if [ "x${print_p}" = "x()" ]
1665 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1666 elif [ "x${print_p}" = "x0" ]
1668 printf " /* skip print of ${macro}, print_p == 0. */\n"
1669 elif [ -n "${print_p}" ]
1671 printf " if (${print_p})\n"
1672 printf " fprintf_unfiltered (file,\n"
1673 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1674 printf " ${print});\n"
1675 elif class_is_function_p
1677 printf " if (GDB_MULTI_ARCH)\n"
1678 printf " fprintf_unfiltered (file,\n"
1679 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1680 printf " (long) current_gdbarch->${function}\n"
1681 printf " /*${macro} ()*/);\n"
1683 printf " fprintf_unfiltered (file,\n"
1684 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1685 printf " ${print});\n"
1690 if (current_gdbarch->dump_tdep != NULL)
1691 current_gdbarch->dump_tdep (current_gdbarch, file);
1699 struct gdbarch_tdep *
1700 gdbarch_tdep (struct gdbarch *gdbarch)
1702 if (gdbarch_debug >= 2)
1703 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1704 return gdbarch->tdep;
1708 function_list |
while do_read
1710 if class_is_predicate_p
1714 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1716 printf " gdb_assert (gdbarch != NULL);\n"
1717 if [ -n "${predicate}" ]
1719 printf " return ${predicate};\n"
1721 printf " return gdbarch->${function} != 0;\n"
1725 if class_is_function_p
1728 printf "${returntype}\n"
1729 if [ "x${formal}" = "xvoid" ]
1731 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1733 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1736 printf " gdb_assert (gdbarch != NULL);\n"
1737 printf " if (gdbarch->${function} == 0)\n"
1738 printf " internal_error (__FILE__, __LINE__,\n"
1739 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1740 if class_is_predicate_p
&& test -n "${predicate}"
1742 # Allow a call to a function with a predicate.
1743 printf " /* Ignore predicate (${predicate}). */\n"
1745 printf " if (gdbarch_debug >= 2)\n"
1746 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1747 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1749 if class_is_multiarch_p
1756 if class_is_multiarch_p
1758 params
="gdbarch, ${actual}"
1763 if [ "x${returntype}" = "xvoid" ]
1765 printf " gdbarch->${function} (${params});\n"
1767 printf " return gdbarch->${function} (${params});\n"
1772 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1773 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1775 printf " gdbarch->${function} = ${function};\n"
1777 elif class_is_variable_p
1780 printf "${returntype}\n"
1781 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1783 printf " gdb_assert (gdbarch != NULL);\n"
1784 if [ "x${invalid_p}" = "x0" ]
1786 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1787 elif [ -n "${invalid_p}" ]
1789 printf " if (${invalid_p})\n"
1790 printf " internal_error (__FILE__, __LINE__,\n"
1791 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1792 elif [ -n "${predefault}" ]
1794 printf " if (gdbarch->${function} == ${predefault})\n"
1795 printf " internal_error (__FILE__, __LINE__,\n"
1796 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1798 printf " if (gdbarch_debug >= 2)\n"
1799 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1800 printf " return gdbarch->${function};\n"
1804 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1805 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1807 printf " gdbarch->${function} = ${function};\n"
1809 elif class_is_info_p
1812 printf "${returntype}\n"
1813 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1815 printf " gdb_assert (gdbarch != NULL);\n"
1816 printf " if (gdbarch_debug >= 2)\n"
1817 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1818 printf " return gdbarch->${function};\n"
1823 # All the trailing guff
1827 /* Keep a registry of per-architecture data-pointers required by GDB
1834 gdbarch_data_init_ftype *init;
1835 gdbarch_data_free_ftype *free;
1838 struct gdbarch_data_registration
1840 struct gdbarch_data *data;
1841 struct gdbarch_data_registration *next;
1844 struct gdbarch_data_registry
1847 struct gdbarch_data_registration *registrations;
1850 struct gdbarch_data_registry gdbarch_data_registry =
1855 struct gdbarch_data *
1856 register_gdbarch_data (gdbarch_data_init_ftype *init,
1857 gdbarch_data_free_ftype *free)
1859 struct gdbarch_data_registration **curr;
1860 /* Append the new registraration. */
1861 for (curr = &gdbarch_data_registry.registrations;
1863 curr = &(*curr)->next);
1864 (*curr) = XMALLOC (struct gdbarch_data_registration);
1865 (*curr)->next = NULL;
1866 (*curr)->data = XMALLOC (struct gdbarch_data);
1867 (*curr)->data->index = gdbarch_data_registry.nr++;
1868 (*curr)->data->init = init;
1869 (*curr)->data->init_p = 1;
1870 (*curr)->data->free = free;
1871 return (*curr)->data;
1875 /* Create/delete the gdbarch data vector. */
1878 alloc_gdbarch_data (struct gdbarch *gdbarch)
1880 gdb_assert (gdbarch->data == NULL);
1881 gdbarch->nr_data = gdbarch_data_registry.nr;
1882 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1886 free_gdbarch_data (struct gdbarch *gdbarch)
1888 struct gdbarch_data_registration *rego;
1889 gdb_assert (gdbarch->data != NULL);
1890 for (rego = gdbarch_data_registry.registrations;
1894 struct gdbarch_data *data = rego->data;
1895 gdb_assert (data->index < gdbarch->nr_data);
1896 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1898 data->free (gdbarch, gdbarch->data[data->index]);
1899 gdbarch->data[data->index] = NULL;
1902 xfree (gdbarch->data);
1903 gdbarch->data = NULL;
1907 /* Initialize the current value of the specified per-architecture
1911 set_gdbarch_data (struct gdbarch *gdbarch,
1912 struct gdbarch_data *data,
1915 gdb_assert (data->index < gdbarch->nr_data);
1916 if (gdbarch->data[data->index] != NULL)
1918 gdb_assert (data->free != NULL);
1919 data->free (gdbarch, gdbarch->data[data->index]);
1921 gdbarch->data[data->index] = pointer;
1924 /* Return the current value of the specified per-architecture
1928 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1930 gdb_assert (data->index < gdbarch->nr_data);
1931 /* The data-pointer isn't initialized, call init() to get a value but
1932 only if the architecture initializaiton has completed. Otherwise
1933 punt - hope that the caller knows what they are doing. */
1934 if (gdbarch->data[data->index] == NULL
1935 && gdbarch->initialized_p)
1937 /* Be careful to detect an initialization cycle. */
1938 gdb_assert (data->init_p);
1940 gdb_assert (data->init != NULL);
1941 gdbarch->data[data->index] = data->init (gdbarch);
1943 gdb_assert (gdbarch->data[data->index] != NULL);
1945 return gdbarch->data[data->index];
1950 /* Keep a registry of swapped data required by GDB modules. */
1955 struct gdbarch_swap_registration *source;
1956 struct gdbarch_swap *next;
1959 struct gdbarch_swap_registration
1962 unsigned long sizeof_data;
1963 gdbarch_swap_ftype *init;
1964 struct gdbarch_swap_registration *next;
1967 struct gdbarch_swap_registry
1970 struct gdbarch_swap_registration *registrations;
1973 struct gdbarch_swap_registry gdbarch_swap_registry =
1979 register_gdbarch_swap (void *data,
1980 unsigned long sizeof_data,
1981 gdbarch_swap_ftype *init)
1983 struct gdbarch_swap_registration **rego;
1984 for (rego = &gdbarch_swap_registry.registrations;
1986 rego = &(*rego)->next);
1987 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1988 (*rego)->next = NULL;
1989 (*rego)->init = init;
1990 (*rego)->data = data;
1991 (*rego)->sizeof_data = sizeof_data;
1995 clear_gdbarch_swap (struct gdbarch *gdbarch)
1997 struct gdbarch_swap *curr;
1998 for (curr = gdbarch->swap;
2002 memset (curr->source->data, 0, curr->source->sizeof_data);
2007 init_gdbarch_swap (struct gdbarch *gdbarch)
2009 struct gdbarch_swap_registration *rego;
2010 struct gdbarch_swap **curr = &gdbarch->swap;
2011 for (rego = gdbarch_swap_registry.registrations;
2015 if (rego->data != NULL)
2017 (*curr) = XMALLOC (struct gdbarch_swap);
2018 (*curr)->source = rego;
2019 (*curr)->swap = xmalloc (rego->sizeof_data);
2020 (*curr)->next = NULL;
2021 curr = &(*curr)->next;
2023 if (rego->init != NULL)
2029 swapout_gdbarch_swap (struct gdbarch *gdbarch)
2031 struct gdbarch_swap *curr;
2032 for (curr = gdbarch->swap;
2035 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2039 swapin_gdbarch_swap (struct gdbarch *gdbarch)
2041 struct gdbarch_swap *curr;
2042 for (curr = gdbarch->swap;
2045 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2049 /* Keep a registry of the architectures known by GDB. */
2051 struct gdbarch_registration
2053 enum bfd_architecture bfd_architecture;
2054 gdbarch_init_ftype *init;
2055 gdbarch_dump_tdep_ftype *dump_tdep;
2056 struct gdbarch_list *arches;
2057 struct gdbarch_registration *next;
2060 static struct gdbarch_registration *gdbarch_registry = NULL;
2063 append_name (const char ***buf, int *nr, const char *name)
2065 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2071 gdbarch_printable_names (void)
2075 /* Accumulate a list of names based on the registed list of
2077 enum bfd_architecture a;
2079 const char **arches = NULL;
2080 struct gdbarch_registration *rego;
2081 for (rego = gdbarch_registry;
2085 const struct bfd_arch_info *ap;
2086 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2088 internal_error (__FILE__, __LINE__,
2089 "gdbarch_architecture_names: multi-arch unknown");
2092 append_name (&arches, &nr_arches, ap->printable_name);
2097 append_name (&arches, &nr_arches, NULL);
2101 /* Just return all the architectures that BFD knows. Assume that
2102 the legacy architecture framework supports them. */
2103 return bfd_arch_list ();
2108 gdbarch_register (enum bfd_architecture bfd_architecture,
2109 gdbarch_init_ftype *init,
2110 gdbarch_dump_tdep_ftype *dump_tdep)
2112 struct gdbarch_registration **curr;
2113 const struct bfd_arch_info *bfd_arch_info;
2114 /* Check that BFD recognizes this architecture */
2115 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2116 if (bfd_arch_info == NULL)
2118 internal_error (__FILE__, __LINE__,
2119 "gdbarch: Attempt to register unknown architecture (%d)",
2122 /* Check that we haven't seen this architecture before */
2123 for (curr = &gdbarch_registry;
2125 curr = &(*curr)->next)
2127 if (bfd_architecture == (*curr)->bfd_architecture)
2128 internal_error (__FILE__, __LINE__,
2129 "gdbarch: Duplicate registraration of architecture (%s)",
2130 bfd_arch_info->printable_name);
2134 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2135 bfd_arch_info->printable_name,
2138 (*curr) = XMALLOC (struct gdbarch_registration);
2139 (*curr)->bfd_architecture = bfd_architecture;
2140 (*curr)->init = init;
2141 (*curr)->dump_tdep = dump_tdep;
2142 (*curr)->arches = NULL;
2143 (*curr)->next = NULL;
2144 /* When non- multi-arch, install whatever target dump routine we've
2145 been provided - hopefully that routine has been written correctly
2146 and works regardless of multi-arch. */
2147 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2148 && startup_gdbarch.dump_tdep == NULL)
2149 startup_gdbarch.dump_tdep = dump_tdep;
2153 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2154 gdbarch_init_ftype *init)
2156 gdbarch_register (bfd_architecture, init, NULL);
2160 /* Look for an architecture using gdbarch_info. Base search on only
2161 BFD_ARCH_INFO and BYTE_ORDER. */
2163 struct gdbarch_list *
2164 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2165 const struct gdbarch_info *info)
2167 for (; arches != NULL; arches = arches->next)
2169 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2171 if (info->byte_order != arches->gdbarch->byte_order)
2173 if (info->osabi != arches->gdbarch->osabi)
2181 /* Update the current architecture. Return ZERO if the update request
2185 gdbarch_update_p (struct gdbarch_info info)
2187 struct gdbarch *new_gdbarch;
2188 struct gdbarch *old_gdbarch;
2189 struct gdbarch_registration *rego;
2191 /* Fill in missing parts of the INFO struct using a number of
2192 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2194 /* \`\`(gdb) set architecture ...'' */
2195 if (info.bfd_arch_info == NULL
2196 && !TARGET_ARCHITECTURE_AUTO)
2197 info.bfd_arch_info = TARGET_ARCHITECTURE;
2198 if (info.bfd_arch_info == NULL
2199 && info.abfd != NULL
2200 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2201 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2202 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2203 if (info.bfd_arch_info == NULL)
2204 info.bfd_arch_info = TARGET_ARCHITECTURE;
2206 /* \`\`(gdb) set byte-order ...'' */
2207 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2208 && !TARGET_BYTE_ORDER_AUTO)
2209 info.byte_order = TARGET_BYTE_ORDER;
2210 /* From the INFO struct. */
2211 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2212 && info.abfd != NULL)
2213 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2214 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2215 : BFD_ENDIAN_UNKNOWN);
2216 /* From the current target. */
2217 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2218 info.byte_order = TARGET_BYTE_ORDER;
2220 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2221 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2222 info.osabi = gdbarch_lookup_osabi (info.abfd);
2223 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2224 info.osabi = current_gdbarch->osabi;
2226 /* Must have found some sort of architecture. */
2227 gdb_assert (info.bfd_arch_info != NULL);
2231 fprintf_unfiltered (gdb_stdlog,
2232 "gdbarch_update: info.bfd_arch_info %s\n",
2233 (info.bfd_arch_info != NULL
2234 ? info.bfd_arch_info->printable_name
2236 fprintf_unfiltered (gdb_stdlog,
2237 "gdbarch_update: info.byte_order %d (%s)\n",
2239 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2240 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2242 fprintf_unfiltered (gdb_stdlog,
2243 "gdbarch_update: info.osabi %d (%s)\n",
2244 info.osabi, gdbarch_osabi_name (info.osabi));
2245 fprintf_unfiltered (gdb_stdlog,
2246 "gdbarch_update: info.abfd 0x%lx\n",
2248 fprintf_unfiltered (gdb_stdlog,
2249 "gdbarch_update: info.tdep_info 0x%lx\n",
2250 (long) info.tdep_info);
2253 /* Find the target that knows about this architecture. */
2254 for (rego = gdbarch_registry;
2257 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2262 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2266 /* Swap the data belonging to the old target out setting the
2267 installed data to zero. This stops the ->init() function trying
2268 to refer to the previous architecture's global data structures. */
2269 swapout_gdbarch_swap (current_gdbarch);
2270 clear_gdbarch_swap (current_gdbarch);
2272 /* Save the previously selected architecture, setting the global to
2273 NULL. This stops ->init() trying to use the previous
2274 architecture's configuration. The previous architecture may not
2275 even be of the same architecture family. The most recent
2276 architecture of the same family is found at the head of the
2277 rego->arches list. */
2278 old_gdbarch = current_gdbarch;
2279 current_gdbarch = NULL;
2281 /* Ask the target for a replacement architecture. */
2282 new_gdbarch = rego->init (info, rego->arches);
2284 /* Did the target like it? No. Reject the change and revert to the
2285 old architecture. */
2286 if (new_gdbarch == NULL)
2289 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2290 swapin_gdbarch_swap (old_gdbarch);
2291 current_gdbarch = old_gdbarch;
2295 /* Did the architecture change? No. Oops, put the old architecture
2297 if (old_gdbarch == new_gdbarch)
2300 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2302 new_gdbarch->bfd_arch_info->printable_name);
2303 swapin_gdbarch_swap (old_gdbarch);
2304 current_gdbarch = old_gdbarch;
2308 /* Is this a pre-existing architecture? Yes. Move it to the front
2309 of the list of architectures (keeping the list sorted Most
2310 Recently Used) and then copy it in. */
2312 struct gdbarch_list **list;
2313 for (list = ®o->arches;
2315 list = &(*list)->next)
2317 if ((*list)->gdbarch == new_gdbarch)
2319 struct gdbarch_list *this;
2321 fprintf_unfiltered (gdb_stdlog,
2322 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2324 new_gdbarch->bfd_arch_info->printable_name);
2327 (*list) = this->next;
2328 /* Insert in the front. */
2329 this->next = rego->arches;
2330 rego->arches = this;
2331 /* Copy the new architecture in. */
2332 current_gdbarch = new_gdbarch;
2333 swapin_gdbarch_swap (new_gdbarch);
2334 architecture_changed_event ();
2340 /* Prepend this new architecture to the architecture list (keep the
2341 list sorted Most Recently Used). */
2343 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2344 this->next = rego->arches;
2345 this->gdbarch = new_gdbarch;
2346 rego->arches = this;
2349 /* Switch to this new architecture marking it initialized. */
2350 current_gdbarch = new_gdbarch;
2351 current_gdbarch->initialized_p = 1;
2354 fprintf_unfiltered (gdb_stdlog,
2355 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2357 new_gdbarch->bfd_arch_info->printable_name);
2360 /* Check that the newly installed architecture is valid. Plug in
2361 any post init values. */
2362 new_gdbarch->dump_tdep = rego->dump_tdep;
2363 verify_gdbarch (new_gdbarch);
2365 /* Initialize the per-architecture memory (swap) areas.
2366 CURRENT_GDBARCH must be update before these modules are
2368 init_gdbarch_swap (new_gdbarch);
2370 /* Initialize the per-architecture data. CURRENT_GDBARCH
2371 must be updated before these modules are called. */
2372 architecture_changed_event ();
2375 gdbarch_dump (current_gdbarch, gdb_stdlog);
2383 /* Pointer to the target-dependent disassembly function. */
2384 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2385 disassemble_info tm_print_insn_info;
2388 extern void _initialize_gdbarch (void);
2391 _initialize_gdbarch (void)
2393 struct cmd_list_element *c;
2395 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2396 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2397 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2398 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2399 tm_print_insn_info.print_address_func = dis_asm_print_address;
2401 add_show_from_set (add_set_cmd ("arch",
2404 (char *)&gdbarch_debug,
2405 "Set architecture debugging.\\n\\
2406 When non-zero, architecture debugging is enabled.", &setdebuglist),
2408 c = add_set_cmd ("archdebug",
2411 (char *)&gdbarch_debug,
2412 "Set architecture debugging.\\n\\
2413 When non-zero, architecture debugging is enabled.", &setlist);
2415 deprecate_cmd (c, "set debug arch");
2416 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2422 #../move-if-change new-gdbarch.c gdbarch.c
2423 compare_new gdbarch.c