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:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust::::0
537 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
538 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
539 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
541 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
542 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
543 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
545 f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
546 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
547 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
549 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
550 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
551 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
553 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
554 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
555 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
557 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
558 # Replaced by PUSH_DUMMY_CALL
559 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
560 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
561 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-:::0
562 F:2:PUSH_RETURN_ADDRESS:CORE_ADDR: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:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
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(). */
812 struct minimal_symbol;
816 extern struct gdbarch *current_gdbarch;
819 /* If any of the following are defined, the target wasn't correctly
823 #if defined (EXTRA_FRAME_INFO)
824 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
829 #if defined (FRAME_FIND_SAVED_REGS)
830 #error "FRAME_FIND_SAVED_REGS: replaced by DEPRECATED_FRAME_INIT_SAVED_REGS"
834 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
835 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
842 printf "/* The following are pre-initialized by GDBARCH. */\n"
843 function_list |
while do_read
848 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
849 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
850 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
851 printf "#error \"Non multi-arch definition of ${macro}\"\n"
853 printf "#if GDB_MULTI_ARCH\n"
854 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
855 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
864 printf "/* The following are initialized by the target dependent code. */\n"
865 function_list |
while do_read
867 if [ -n "${comment}" ]
869 echo "${comment}" |
sed \
874 if class_is_multiarch_p
876 if class_is_predicate_p
879 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
882 if class_is_predicate_p
885 printf "#if defined (${macro})\n"
886 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
887 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
888 printf "#if !defined (${macro}_P)\n"
889 printf "#define ${macro}_P() (1)\n"
893 printf "/* Default predicate for non- multi-arch targets. */\n"
894 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
895 printf "#define ${macro}_P() (0)\n"
898 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
899 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
900 printf "#error \"Non multi-arch definition of ${macro}\"\n"
902 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
903 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
907 if class_is_variable_p
909 if fallback_default_p || class_is_predicate_p
912 printf "/* Default (value) for non- multi-arch platforms. */\n"
913 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
914 echo "#define ${macro} (${fallbackdefault})" \
915 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
919 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
920 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
921 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
922 printf "#error \"Non multi-arch definition of ${macro}\"\n"
924 if test "${level}" = ""
926 printf "#if !defined (${macro})\n"
927 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
930 printf "#if GDB_MULTI_ARCH\n"
931 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
932 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
937 if class_is_function_p
939 if class_is_multiarch_p
; then :
940 elif fallback_default_p || class_is_predicate_p
943 printf "/* Default (function) for non- multi-arch platforms. */\n"
944 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
945 if [ "x${fallbackdefault}" = "x0" ]
947 if [ "x${actual}" = "x-" ]
949 printf "#define ${macro} (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
951 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
954 # FIXME: Should be passing current_gdbarch through!
955 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
956 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
961 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
963 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
964 elif class_is_multiarch_p
966 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
968 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
970 if [ "x${formal}" = "xvoid" ]
972 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
974 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
976 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
977 if class_is_multiarch_p
; then :
979 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
980 printf "#error \"Non multi-arch definition of ${macro}\"\n"
982 printf "#if GDB_MULTI_ARCH\n"
983 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
984 if [ "x${actual}" = "x" ]
986 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
987 elif [ "x${actual}" = "x-" ]
989 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
991 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1002 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1005 /* Mechanism for co-ordinating the selection of a specific
1008 GDB targets (*-tdep.c) can register an interest in a specific
1009 architecture. Other GDB components can register a need to maintain
1010 per-architecture data.
1012 The mechanisms below ensures that there is only a loose connection
1013 between the set-architecture command and the various GDB
1014 components. Each component can independently register their need
1015 to maintain architecture specific data with gdbarch.
1019 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1022 The more traditional mega-struct containing architecture specific
1023 data for all the various GDB components was also considered. Since
1024 GDB is built from a variable number of (fairly independent)
1025 components it was determined that the global aproach was not
1029 /* Register a new architectural family with GDB.
1031 Register support for the specified ARCHITECTURE with GDB. When
1032 gdbarch determines that the specified architecture has been
1033 selected, the corresponding INIT function is called.
1037 The INIT function takes two parameters: INFO which contains the
1038 information available to gdbarch about the (possibly new)
1039 architecture; ARCHES which is a list of the previously created
1040 \`\`struct gdbarch'' for this architecture.
1042 The INFO parameter is, as far as possible, be pre-initialized with
1043 information obtained from INFO.ABFD or the previously selected
1046 The ARCHES parameter is a linked list (sorted most recently used)
1047 of all the previously created architures for this architecture
1048 family. The (possibly NULL) ARCHES->gdbarch can used to access
1049 values from the previously selected architecture for this
1050 architecture family. The global \`\`current_gdbarch'' shall not be
1053 The INIT function shall return any of: NULL - indicating that it
1054 doesn't recognize the selected architecture; an existing \`\`struct
1055 gdbarch'' from the ARCHES list - indicating that the new
1056 architecture is just a synonym for an earlier architecture (see
1057 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1058 - that describes the selected architecture (see gdbarch_alloc()).
1060 The DUMP_TDEP function shall print out all target specific values.
1061 Care should be taken to ensure that the function works in both the
1062 multi-arch and non- multi-arch cases. */
1066 struct gdbarch *gdbarch;
1067 struct gdbarch_list *next;
1072 /* Use default: NULL (ZERO). */
1073 const struct bfd_arch_info *bfd_arch_info;
1075 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1078 /* Use default: NULL (ZERO). */
1081 /* Use default: NULL (ZERO). */
1082 struct gdbarch_tdep_info *tdep_info;
1084 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1085 enum gdb_osabi osabi;
1088 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1089 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1091 /* DEPRECATED - use gdbarch_register() */
1092 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1094 extern void gdbarch_register (enum bfd_architecture architecture,
1095 gdbarch_init_ftype *,
1096 gdbarch_dump_tdep_ftype *);
1099 /* Return a freshly allocated, NULL terminated, array of the valid
1100 architecture names. Since architectures are registered during the
1101 _initialize phase this function only returns useful information
1102 once initialization has been completed. */
1104 extern const char **gdbarch_printable_names (void);
1107 /* Helper function. Search the list of ARCHES for a GDBARCH that
1108 matches the information provided by INFO. */
1110 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1113 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1114 basic initialization using values obtained from the INFO andTDEP
1115 parameters. set_gdbarch_*() functions are called to complete the
1116 initialization of the object. */
1118 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1121 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1122 It is assumed that the caller freeds the \`\`struct
1125 extern void gdbarch_free (struct gdbarch *);
1128 /* Helper function. Force an update of the current architecture.
1130 The actual architecture selected is determined by INFO, \`\`(gdb) set
1131 architecture'' et.al., the existing architecture and BFD's default
1132 architecture. INFO should be initialized to zero and then selected
1133 fields should be updated.
1135 Returns non-zero if the update succeeds */
1137 extern int gdbarch_update_p (struct gdbarch_info info);
1141 /* Register per-architecture data-pointer.
1143 Reserve space for a per-architecture data-pointer. An identifier
1144 for the reserved data-pointer is returned. That identifer should
1145 be saved in a local static variable.
1147 The per-architecture data-pointer is either initialized explicitly
1148 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1149 gdbarch_data()). FREE() is called to delete either an existing
1150 data-pointer overridden by set_gdbarch_data() or when the
1151 architecture object is being deleted.
1153 When a previously created architecture is re-selected, the
1154 per-architecture data-pointer for that previous architecture is
1155 restored. INIT() is not re-called.
1157 Multiple registrarants for any architecture are allowed (and
1158 strongly encouraged). */
1160 struct gdbarch_data;
1162 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1163 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1165 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1166 gdbarch_data_free_ftype *free);
1167 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1168 struct gdbarch_data *data,
1171 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1174 /* Register per-architecture memory region.
1176 Provide a memory-region swap mechanism. Per-architecture memory
1177 region are created. These memory regions are swapped whenever the
1178 architecture is changed. For a new architecture, the memory region
1179 is initialized with zero (0) and the INIT function is called.
1181 Memory regions are swapped / initialized in the order that they are
1182 registered. NULL DATA and/or INIT values can be specified.
1184 New code should use register_gdbarch_data(). */
1186 typedef void (gdbarch_swap_ftype) (void);
1187 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1188 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1192 /* The target-system-dependent byte order is dynamic */
1194 extern int target_byte_order;
1195 #ifndef TARGET_BYTE_ORDER
1196 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1199 extern int target_byte_order_auto;
1200 #ifndef TARGET_BYTE_ORDER_AUTO
1201 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1206 /* The target-system-dependent BFD architecture is dynamic */
1208 extern int target_architecture_auto;
1209 #ifndef TARGET_ARCHITECTURE_AUTO
1210 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1213 extern const struct bfd_arch_info *target_architecture;
1214 #ifndef TARGET_ARCHITECTURE
1215 #define TARGET_ARCHITECTURE (target_architecture + 0)
1219 /* The target-system-dependent disassembler is semi-dynamic */
1221 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1222 unsigned int len, disassemble_info *info);
1224 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1225 disassemble_info *info);
1227 extern void dis_asm_print_address (bfd_vma addr,
1228 disassemble_info *info);
1230 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1231 extern disassemble_info tm_print_insn_info;
1232 #ifndef TARGET_PRINT_INSN_INFO
1233 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1238 /* Set the dynamic target-system-dependent parameters (architecture,
1239 byte-order, ...) using information found in the BFD */
1241 extern void set_gdbarch_from_file (bfd *);
1244 /* Initialize the current architecture to the "first" one we find on
1247 extern void initialize_current_architecture (void);
1249 /* For non-multiarched targets, do any initialization of the default
1250 gdbarch object necessary after the _initialize_MODULE functions
1252 extern void initialize_non_multiarch (void);
1254 /* gdbarch trace variable */
1255 extern int gdbarch_debug;
1257 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1262 #../move-if-change new-gdbarch.h gdbarch.h
1263 compare_new gdbarch.h
1270 exec > new-gdbarch.c
1275 #include "arch-utils.h"
1279 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1281 /* Just include everything in sight so that the every old definition
1282 of macro is visible. */
1283 #include "gdb_string.h"
1287 #include "inferior.h"
1288 #include "breakpoint.h"
1289 #include "gdb_wait.h"
1290 #include "gdbcore.h"
1293 #include "gdbthread.h"
1294 #include "annotate.h"
1295 #include "symfile.h" /* for overlay functions */
1296 #include "value.h" /* For old tm.h/nm.h macros. */
1300 #include "floatformat.h"
1302 #include "gdb_assert.h"
1303 #include "gdb_string.h"
1304 #include "gdb-events.h"
1305 #include "reggroups.h"
1308 /* Static function declarations */
1310 static void verify_gdbarch (struct gdbarch *gdbarch);
1311 static void alloc_gdbarch_data (struct gdbarch *);
1312 static void free_gdbarch_data (struct gdbarch *);
1313 static void init_gdbarch_swap (struct gdbarch *);
1314 static void clear_gdbarch_swap (struct gdbarch *);
1315 static void swapout_gdbarch_swap (struct gdbarch *);
1316 static void swapin_gdbarch_swap (struct gdbarch *);
1318 /* Non-zero if we want to trace architecture code. */
1320 #ifndef GDBARCH_DEBUG
1321 #define GDBARCH_DEBUG 0
1323 int gdbarch_debug = GDBARCH_DEBUG;
1327 # gdbarch open the gdbarch object
1329 printf "/* Maintain the struct gdbarch object */\n"
1331 printf "struct gdbarch\n"
1333 printf " /* Has this architecture been fully initialized? */\n"
1334 printf " int initialized_p;\n"
1335 printf " /* basic architectural information */\n"
1336 function_list |
while do_read
1340 printf " ${returntype} ${function};\n"
1344 printf " /* target specific vector. */\n"
1345 printf " struct gdbarch_tdep *tdep;\n"
1346 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1348 printf " /* per-architecture data-pointers */\n"
1349 printf " unsigned nr_data;\n"
1350 printf " void **data;\n"
1352 printf " /* per-architecture swap-regions */\n"
1353 printf " struct gdbarch_swap *swap;\n"
1356 /* Multi-arch values.
1358 When extending this structure you must:
1360 Add the field below.
1362 Declare set/get functions and define the corresponding
1365 gdbarch_alloc(): If zero/NULL is not a suitable default,
1366 initialize the new field.
1368 verify_gdbarch(): Confirm that the target updated the field
1371 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1374 \`\`startup_gdbarch()'': Append an initial value to the static
1375 variable (base values on the host's c-type system).
1377 get_gdbarch(): Implement the set/get functions (probably using
1378 the macro's as shortcuts).
1383 function_list |
while do_read
1385 if class_is_variable_p
1387 printf " ${returntype} ${function};\n"
1388 elif class_is_function_p
1390 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1395 # A pre-initialized vector
1399 /* The default architecture uses host values (for want of a better
1403 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1405 printf "struct gdbarch startup_gdbarch =\n"
1407 printf " 1, /* Always initialized. */\n"
1408 printf " /* basic architecture information */\n"
1409 function_list |
while do_read
1413 printf " ${staticdefault},\n"
1417 /* target specific vector and its dump routine */
1419 /*per-architecture data-pointers and swap regions */
1421 /* Multi-arch values */
1423 function_list |
while do_read
1425 if class_is_function_p || class_is_variable_p
1427 printf " ${staticdefault},\n"
1431 /* startup_gdbarch() */
1434 struct gdbarch *current_gdbarch = &startup_gdbarch;
1436 /* Do any initialization needed for a non-multiarch configuration
1437 after the _initialize_MODULE functions have been run. */
1439 initialize_non_multiarch (void)
1441 alloc_gdbarch_data (&startup_gdbarch);
1442 /* Ensure that all swap areas are zeroed so that they again think
1443 they are starting from scratch. */
1444 clear_gdbarch_swap (&startup_gdbarch);
1445 init_gdbarch_swap (&startup_gdbarch);
1449 # Create a new gdbarch struct
1453 /* Create a new \`\`struct gdbarch'' based on information provided by
1454 \`\`struct gdbarch_info''. */
1459 gdbarch_alloc (const struct gdbarch_info *info,
1460 struct gdbarch_tdep *tdep)
1462 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1463 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1464 the current local architecture and not the previous global
1465 architecture. This ensures that the new architectures initial
1466 values are not influenced by the previous architecture. Once
1467 everything is parameterised with gdbarch, this will go away. */
1468 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1469 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1471 alloc_gdbarch_data (current_gdbarch);
1473 current_gdbarch->tdep = tdep;
1476 function_list |
while do_read
1480 printf " current_gdbarch->${function} = info->${function};\n"
1484 printf " /* Force the explicit initialization of these. */\n"
1485 function_list |
while do_read
1487 if class_is_function_p || class_is_variable_p
1489 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1491 printf " current_gdbarch->${function} = ${predefault};\n"
1496 /* gdbarch_alloc() */
1498 return current_gdbarch;
1502 # Free a gdbarch struct.
1506 /* Free a gdbarch struct. This should never happen in normal
1507 operation --- once you've created a gdbarch, you keep it around.
1508 However, if an architecture's init function encounters an error
1509 building the structure, it may need to clean up a partially
1510 constructed gdbarch. */
1513 gdbarch_free (struct gdbarch *arch)
1515 gdb_assert (arch != NULL);
1516 free_gdbarch_data (arch);
1521 # verify a new architecture
1524 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1528 verify_gdbarch (struct gdbarch *gdbarch)
1530 struct ui_file *log;
1531 struct cleanup *cleanups;
1534 /* Only perform sanity checks on a multi-arch target. */
1535 if (!GDB_MULTI_ARCH)
1537 log = mem_fileopen ();
1538 cleanups = make_cleanup_ui_file_delete (log);
1540 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1541 fprintf_unfiltered (log, "\n\tbyte-order");
1542 if (gdbarch->bfd_arch_info == NULL)
1543 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1544 /* Check those that need to be defined for the given multi-arch level. */
1546 function_list |
while do_read
1548 if class_is_function_p || class_is_variable_p
1550 if [ "x${invalid_p}" = "x0" ]
1552 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1553 elif class_is_predicate_p
1555 printf " /* Skip verify of ${function}, has predicate */\n"
1556 # FIXME: See do_read for potential simplification
1557 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1559 printf " if (${invalid_p})\n"
1560 printf " gdbarch->${function} = ${postdefault};\n"
1561 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1563 printf " if (gdbarch->${function} == ${predefault})\n"
1564 printf " gdbarch->${function} = ${postdefault};\n"
1565 elif [ -n "${postdefault}" ]
1567 printf " if (gdbarch->${function} == 0)\n"
1568 printf " gdbarch->${function} = ${postdefault};\n"
1569 elif [ -n "${invalid_p}" ]
1571 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1572 printf " && (${invalid_p}))\n"
1573 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1574 elif [ -n "${predefault}" ]
1576 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1577 printf " && (gdbarch->${function} == ${predefault}))\n"
1578 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1583 buf = ui_file_xstrdup (log, &dummy);
1584 make_cleanup (xfree, buf);
1585 if (strlen (buf) > 0)
1586 internal_error (__FILE__, __LINE__,
1587 "verify_gdbarch: the following are invalid ...%s",
1589 do_cleanups (cleanups);
1593 # dump the structure
1597 /* Print out the details of the current architecture. */
1599 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1600 just happens to match the global variable \`\`current_gdbarch''. That
1601 way macros refering to that variable get the local and not the global
1602 version - ulgh. Once everything is parameterised with gdbarch, this
1606 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1608 fprintf_unfiltered (file,
1609 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1612 function_list |
sort -t: -k 3 |
while do_read
1614 # First the predicate
1615 if class_is_predicate_p
1617 if class_is_multiarch_p
1619 printf " if (GDB_MULTI_ARCH)\n"
1620 printf " fprintf_unfiltered (file,\n"
1621 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1622 printf " gdbarch_${function}_p (current_gdbarch));\n"
1624 printf "#ifdef ${macro}_P\n"
1625 printf " fprintf_unfiltered (file,\n"
1626 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1627 printf " \"${macro}_P()\",\n"
1628 printf " XSTRING (${macro}_P ()));\n"
1629 printf " fprintf_unfiltered (file,\n"
1630 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1631 printf " ${macro}_P ());\n"
1635 # multiarch functions don't have macros.
1636 if class_is_multiarch_p
1638 printf " if (GDB_MULTI_ARCH)\n"
1639 printf " fprintf_unfiltered (file,\n"
1640 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1641 printf " (long) current_gdbarch->${function});\n"
1644 # Print the macro definition.
1645 printf "#ifdef ${macro}\n"
1646 if [ "x${returntype}" = "xvoid" ]
1648 printf "#if GDB_MULTI_ARCH\n"
1649 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1651 if class_is_function_p
1653 printf " fprintf_unfiltered (file,\n"
1654 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1655 printf " \"${macro}(${actual})\",\n"
1656 printf " XSTRING (${macro} (${actual})));\n"
1658 printf " fprintf_unfiltered (file,\n"
1659 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1660 printf " XSTRING (${macro}));\n"
1662 # Print the architecture vector value
1663 if [ "x${returntype}" = "xvoid" ]
1667 if [ "x${print_p}" = "x()" ]
1669 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1670 elif [ "x${print_p}" = "x0" ]
1672 printf " /* skip print of ${macro}, print_p == 0. */\n"
1673 elif [ -n "${print_p}" ]
1675 printf " if (${print_p})\n"
1676 printf " fprintf_unfiltered (file,\n"
1677 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1678 printf " ${print});\n"
1679 elif class_is_function_p
1681 printf " if (GDB_MULTI_ARCH)\n"
1682 printf " fprintf_unfiltered (file,\n"
1683 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1684 printf " (long) current_gdbarch->${function}\n"
1685 printf " /*${macro} ()*/);\n"
1687 printf " fprintf_unfiltered (file,\n"
1688 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1689 printf " ${print});\n"
1694 if (current_gdbarch->dump_tdep != NULL)
1695 current_gdbarch->dump_tdep (current_gdbarch, file);
1703 struct gdbarch_tdep *
1704 gdbarch_tdep (struct gdbarch *gdbarch)
1706 if (gdbarch_debug >= 2)
1707 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1708 return gdbarch->tdep;
1712 function_list |
while do_read
1714 if class_is_predicate_p
1718 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1720 printf " gdb_assert (gdbarch != NULL);\n"
1721 if [ -n "${predicate}" ]
1723 printf " return ${predicate};\n"
1725 printf " return gdbarch->${function} != 0;\n"
1729 if class_is_function_p
1732 printf "${returntype}\n"
1733 if [ "x${formal}" = "xvoid" ]
1735 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1737 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1740 printf " gdb_assert (gdbarch != NULL);\n"
1741 printf " if (gdbarch->${function} == 0)\n"
1742 printf " internal_error (__FILE__, __LINE__,\n"
1743 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1744 if class_is_predicate_p
&& test -n "${predicate}"
1746 # Allow a call to a function with a predicate.
1747 printf " /* Ignore predicate (${predicate}). */\n"
1749 printf " if (gdbarch_debug >= 2)\n"
1750 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1751 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1753 if class_is_multiarch_p
1760 if class_is_multiarch_p
1762 params
="gdbarch, ${actual}"
1767 if [ "x${returntype}" = "xvoid" ]
1769 printf " gdbarch->${function} (${params});\n"
1771 printf " return gdbarch->${function} (${params});\n"
1776 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1777 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1779 printf " gdbarch->${function} = ${function};\n"
1781 elif class_is_variable_p
1784 printf "${returntype}\n"
1785 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1787 printf " gdb_assert (gdbarch != NULL);\n"
1788 if [ "x${invalid_p}" = "x0" ]
1790 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1791 elif [ -n "${invalid_p}" ]
1793 printf " if (${invalid_p})\n"
1794 printf " internal_error (__FILE__, __LINE__,\n"
1795 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1796 elif [ -n "${predefault}" ]
1798 printf " if (gdbarch->${function} == ${predefault})\n"
1799 printf " internal_error (__FILE__, __LINE__,\n"
1800 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1802 printf " if (gdbarch_debug >= 2)\n"
1803 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1804 printf " return gdbarch->${function};\n"
1808 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1809 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1811 printf " gdbarch->${function} = ${function};\n"
1813 elif class_is_info_p
1816 printf "${returntype}\n"
1817 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1819 printf " gdb_assert (gdbarch != NULL);\n"
1820 printf " if (gdbarch_debug >= 2)\n"
1821 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1822 printf " return gdbarch->${function};\n"
1827 # All the trailing guff
1831 /* Keep a registry of per-architecture data-pointers required by GDB
1838 gdbarch_data_init_ftype *init;
1839 gdbarch_data_free_ftype *free;
1842 struct gdbarch_data_registration
1844 struct gdbarch_data *data;
1845 struct gdbarch_data_registration *next;
1848 struct gdbarch_data_registry
1851 struct gdbarch_data_registration *registrations;
1854 struct gdbarch_data_registry gdbarch_data_registry =
1859 struct gdbarch_data *
1860 register_gdbarch_data (gdbarch_data_init_ftype *init,
1861 gdbarch_data_free_ftype *free)
1863 struct gdbarch_data_registration **curr;
1864 /* Append the new registraration. */
1865 for (curr = &gdbarch_data_registry.registrations;
1867 curr = &(*curr)->next);
1868 (*curr) = XMALLOC (struct gdbarch_data_registration);
1869 (*curr)->next = NULL;
1870 (*curr)->data = XMALLOC (struct gdbarch_data);
1871 (*curr)->data->index = gdbarch_data_registry.nr++;
1872 (*curr)->data->init = init;
1873 (*curr)->data->init_p = 1;
1874 (*curr)->data->free = free;
1875 return (*curr)->data;
1879 /* Create/delete the gdbarch data vector. */
1882 alloc_gdbarch_data (struct gdbarch *gdbarch)
1884 gdb_assert (gdbarch->data == NULL);
1885 gdbarch->nr_data = gdbarch_data_registry.nr;
1886 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1890 free_gdbarch_data (struct gdbarch *gdbarch)
1892 struct gdbarch_data_registration *rego;
1893 gdb_assert (gdbarch->data != NULL);
1894 for (rego = gdbarch_data_registry.registrations;
1898 struct gdbarch_data *data = rego->data;
1899 gdb_assert (data->index < gdbarch->nr_data);
1900 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1902 data->free (gdbarch, gdbarch->data[data->index]);
1903 gdbarch->data[data->index] = NULL;
1906 xfree (gdbarch->data);
1907 gdbarch->data = NULL;
1911 /* Initialize the current value of the specified per-architecture
1915 set_gdbarch_data (struct gdbarch *gdbarch,
1916 struct gdbarch_data *data,
1919 gdb_assert (data->index < gdbarch->nr_data);
1920 if (gdbarch->data[data->index] != NULL)
1922 gdb_assert (data->free != NULL);
1923 data->free (gdbarch, gdbarch->data[data->index]);
1925 gdbarch->data[data->index] = pointer;
1928 /* Return the current value of the specified per-architecture
1932 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1934 gdb_assert (data->index < gdbarch->nr_data);
1935 /* The data-pointer isn't initialized, call init() to get a value but
1936 only if the architecture initializaiton has completed. Otherwise
1937 punt - hope that the caller knows what they are doing. */
1938 if (gdbarch->data[data->index] == NULL
1939 && gdbarch->initialized_p)
1941 /* Be careful to detect an initialization cycle. */
1942 gdb_assert (data->init_p);
1944 gdb_assert (data->init != NULL);
1945 gdbarch->data[data->index] = data->init (gdbarch);
1947 gdb_assert (gdbarch->data[data->index] != NULL);
1949 return gdbarch->data[data->index];
1954 /* Keep a registry of swapped data required by GDB modules. */
1959 struct gdbarch_swap_registration *source;
1960 struct gdbarch_swap *next;
1963 struct gdbarch_swap_registration
1966 unsigned long sizeof_data;
1967 gdbarch_swap_ftype *init;
1968 struct gdbarch_swap_registration *next;
1971 struct gdbarch_swap_registry
1974 struct gdbarch_swap_registration *registrations;
1977 struct gdbarch_swap_registry gdbarch_swap_registry =
1983 register_gdbarch_swap (void *data,
1984 unsigned long sizeof_data,
1985 gdbarch_swap_ftype *init)
1987 struct gdbarch_swap_registration **rego;
1988 for (rego = &gdbarch_swap_registry.registrations;
1990 rego = &(*rego)->next);
1991 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1992 (*rego)->next = NULL;
1993 (*rego)->init = init;
1994 (*rego)->data = data;
1995 (*rego)->sizeof_data = sizeof_data;
1999 clear_gdbarch_swap (struct gdbarch *gdbarch)
2001 struct gdbarch_swap *curr;
2002 for (curr = gdbarch->swap;
2006 memset (curr->source->data, 0, curr->source->sizeof_data);
2011 init_gdbarch_swap (struct gdbarch *gdbarch)
2013 struct gdbarch_swap_registration *rego;
2014 struct gdbarch_swap **curr = &gdbarch->swap;
2015 for (rego = gdbarch_swap_registry.registrations;
2019 if (rego->data != NULL)
2021 (*curr) = XMALLOC (struct gdbarch_swap);
2022 (*curr)->source = rego;
2023 (*curr)->swap = xmalloc (rego->sizeof_data);
2024 (*curr)->next = NULL;
2025 curr = &(*curr)->next;
2027 if (rego->init != NULL)
2033 swapout_gdbarch_swap (struct gdbarch *gdbarch)
2035 struct gdbarch_swap *curr;
2036 for (curr = gdbarch->swap;
2039 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2043 swapin_gdbarch_swap (struct gdbarch *gdbarch)
2045 struct gdbarch_swap *curr;
2046 for (curr = gdbarch->swap;
2049 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2053 /* Keep a registry of the architectures known by GDB. */
2055 struct gdbarch_registration
2057 enum bfd_architecture bfd_architecture;
2058 gdbarch_init_ftype *init;
2059 gdbarch_dump_tdep_ftype *dump_tdep;
2060 struct gdbarch_list *arches;
2061 struct gdbarch_registration *next;
2064 static struct gdbarch_registration *gdbarch_registry = NULL;
2067 append_name (const char ***buf, int *nr, const char *name)
2069 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2075 gdbarch_printable_names (void)
2079 /* Accumulate a list of names based on the registed list of
2081 enum bfd_architecture a;
2083 const char **arches = NULL;
2084 struct gdbarch_registration *rego;
2085 for (rego = gdbarch_registry;
2089 const struct bfd_arch_info *ap;
2090 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2092 internal_error (__FILE__, __LINE__,
2093 "gdbarch_architecture_names: multi-arch unknown");
2096 append_name (&arches, &nr_arches, ap->printable_name);
2101 append_name (&arches, &nr_arches, NULL);
2105 /* Just return all the architectures that BFD knows. Assume that
2106 the legacy architecture framework supports them. */
2107 return bfd_arch_list ();
2112 gdbarch_register (enum bfd_architecture bfd_architecture,
2113 gdbarch_init_ftype *init,
2114 gdbarch_dump_tdep_ftype *dump_tdep)
2116 struct gdbarch_registration **curr;
2117 const struct bfd_arch_info *bfd_arch_info;
2118 /* Check that BFD recognizes this architecture */
2119 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2120 if (bfd_arch_info == NULL)
2122 internal_error (__FILE__, __LINE__,
2123 "gdbarch: Attempt to register unknown architecture (%d)",
2126 /* Check that we haven't seen this architecture before */
2127 for (curr = &gdbarch_registry;
2129 curr = &(*curr)->next)
2131 if (bfd_architecture == (*curr)->bfd_architecture)
2132 internal_error (__FILE__, __LINE__,
2133 "gdbarch: Duplicate registraration of architecture (%s)",
2134 bfd_arch_info->printable_name);
2138 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2139 bfd_arch_info->printable_name,
2142 (*curr) = XMALLOC (struct gdbarch_registration);
2143 (*curr)->bfd_architecture = bfd_architecture;
2144 (*curr)->init = init;
2145 (*curr)->dump_tdep = dump_tdep;
2146 (*curr)->arches = NULL;
2147 (*curr)->next = NULL;
2148 /* When non- multi-arch, install whatever target dump routine we've
2149 been provided - hopefully that routine has been written correctly
2150 and works regardless of multi-arch. */
2151 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2152 && startup_gdbarch.dump_tdep == NULL)
2153 startup_gdbarch.dump_tdep = dump_tdep;
2157 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2158 gdbarch_init_ftype *init)
2160 gdbarch_register (bfd_architecture, init, NULL);
2164 /* Look for an architecture using gdbarch_info. Base search on only
2165 BFD_ARCH_INFO and BYTE_ORDER. */
2167 struct gdbarch_list *
2168 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2169 const struct gdbarch_info *info)
2171 for (; arches != NULL; arches = arches->next)
2173 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2175 if (info->byte_order != arches->gdbarch->byte_order)
2177 if (info->osabi != arches->gdbarch->osabi)
2185 /* Update the current architecture. Return ZERO if the update request
2189 gdbarch_update_p (struct gdbarch_info info)
2191 struct gdbarch *new_gdbarch;
2192 struct gdbarch *old_gdbarch;
2193 struct gdbarch_registration *rego;
2195 /* Fill in missing parts of the INFO struct using a number of
2196 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2198 /* \`\`(gdb) set architecture ...'' */
2199 if (info.bfd_arch_info == NULL
2200 && !TARGET_ARCHITECTURE_AUTO)
2201 info.bfd_arch_info = TARGET_ARCHITECTURE;
2202 if (info.bfd_arch_info == NULL
2203 && info.abfd != NULL
2204 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2205 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2206 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2207 if (info.bfd_arch_info == NULL)
2208 info.bfd_arch_info = TARGET_ARCHITECTURE;
2210 /* \`\`(gdb) set byte-order ...'' */
2211 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2212 && !TARGET_BYTE_ORDER_AUTO)
2213 info.byte_order = TARGET_BYTE_ORDER;
2214 /* From the INFO struct. */
2215 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2216 && info.abfd != NULL)
2217 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2218 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2219 : BFD_ENDIAN_UNKNOWN);
2220 /* From the current target. */
2221 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2222 info.byte_order = TARGET_BYTE_ORDER;
2224 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2225 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2226 info.osabi = gdbarch_lookup_osabi (info.abfd);
2227 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2228 info.osabi = current_gdbarch->osabi;
2230 /* Must have found some sort of architecture. */
2231 gdb_assert (info.bfd_arch_info != NULL);
2235 fprintf_unfiltered (gdb_stdlog,
2236 "gdbarch_update: info.bfd_arch_info %s\n",
2237 (info.bfd_arch_info != NULL
2238 ? info.bfd_arch_info->printable_name
2240 fprintf_unfiltered (gdb_stdlog,
2241 "gdbarch_update: info.byte_order %d (%s)\n",
2243 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2244 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2246 fprintf_unfiltered (gdb_stdlog,
2247 "gdbarch_update: info.osabi %d (%s)\n",
2248 info.osabi, gdbarch_osabi_name (info.osabi));
2249 fprintf_unfiltered (gdb_stdlog,
2250 "gdbarch_update: info.abfd 0x%lx\n",
2252 fprintf_unfiltered (gdb_stdlog,
2253 "gdbarch_update: info.tdep_info 0x%lx\n",
2254 (long) info.tdep_info);
2257 /* Find the target that knows about this architecture. */
2258 for (rego = gdbarch_registry;
2261 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2266 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2270 /* Swap the data belonging to the old target out setting the
2271 installed data to zero. This stops the ->init() function trying
2272 to refer to the previous architecture's global data structures. */
2273 swapout_gdbarch_swap (current_gdbarch);
2274 clear_gdbarch_swap (current_gdbarch);
2276 /* Save the previously selected architecture, setting the global to
2277 NULL. This stops ->init() trying to use the previous
2278 architecture's configuration. The previous architecture may not
2279 even be of the same architecture family. The most recent
2280 architecture of the same family is found at the head of the
2281 rego->arches list. */
2282 old_gdbarch = current_gdbarch;
2283 current_gdbarch = NULL;
2285 /* Ask the target for a replacement architecture. */
2286 new_gdbarch = rego->init (info, rego->arches);
2288 /* Did the target like it? No. Reject the change and revert to the
2289 old architecture. */
2290 if (new_gdbarch == NULL)
2293 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2294 swapin_gdbarch_swap (old_gdbarch);
2295 current_gdbarch = old_gdbarch;
2299 /* Did the architecture change? No. Oops, put the old architecture
2301 if (old_gdbarch == new_gdbarch)
2304 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2306 new_gdbarch->bfd_arch_info->printable_name);
2307 swapin_gdbarch_swap (old_gdbarch);
2308 current_gdbarch = old_gdbarch;
2312 /* Is this a pre-existing architecture? Yes. Move it to the front
2313 of the list of architectures (keeping the list sorted Most
2314 Recently Used) and then copy it in. */
2316 struct gdbarch_list **list;
2317 for (list = ®o->arches;
2319 list = &(*list)->next)
2321 if ((*list)->gdbarch == new_gdbarch)
2323 struct gdbarch_list *this;
2325 fprintf_unfiltered (gdb_stdlog,
2326 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2328 new_gdbarch->bfd_arch_info->printable_name);
2331 (*list) = this->next;
2332 /* Insert in the front. */
2333 this->next = rego->arches;
2334 rego->arches = this;
2335 /* Copy the new architecture in. */
2336 current_gdbarch = new_gdbarch;
2337 swapin_gdbarch_swap (new_gdbarch);
2338 architecture_changed_event ();
2344 /* Prepend this new architecture to the architecture list (keep the
2345 list sorted Most Recently Used). */
2347 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2348 this->next = rego->arches;
2349 this->gdbarch = new_gdbarch;
2350 rego->arches = this;
2353 /* Switch to this new architecture marking it initialized. */
2354 current_gdbarch = new_gdbarch;
2355 current_gdbarch->initialized_p = 1;
2358 fprintf_unfiltered (gdb_stdlog,
2359 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2361 new_gdbarch->bfd_arch_info->printable_name);
2364 /* Check that the newly installed architecture is valid. Plug in
2365 any post init values. */
2366 new_gdbarch->dump_tdep = rego->dump_tdep;
2367 verify_gdbarch (new_gdbarch);
2369 /* Initialize the per-architecture memory (swap) areas.
2370 CURRENT_GDBARCH must be update before these modules are
2372 init_gdbarch_swap (new_gdbarch);
2374 /* Initialize the per-architecture data. CURRENT_GDBARCH
2375 must be updated before these modules are called. */
2376 architecture_changed_event ();
2379 gdbarch_dump (current_gdbarch, gdb_stdlog);
2387 /* Pointer to the target-dependent disassembly function. */
2388 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2389 disassemble_info tm_print_insn_info;
2392 extern void _initialize_gdbarch (void);
2395 _initialize_gdbarch (void)
2397 struct cmd_list_element *c;
2399 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2400 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2401 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2402 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2403 tm_print_insn_info.print_address_func = dis_asm_print_address;
2405 add_show_from_set (add_set_cmd ("arch",
2408 (char *)&gdbarch_debug,
2409 "Set architecture debugging.\\n\\
2410 When non-zero, architecture debugging is enabled.", &setdebuglist),
2412 c = add_set_cmd ("archdebug",
2415 (char *)&gdbarch_debug,
2416 "Set architecture debugging.\\n\\
2417 When non-zero, architecture debugging is enabled.", &setlist);
2419 deprecate_cmd (c, "set debug arch");
2420 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2426 #../move-if-change new-gdbarch.c gdbarch.c
2427 compare_new gdbarch.c