3 # Architecture commands for GDB, the GNU debugger.
4 # Copyright 1998, 1999, 2000, 2001, 2002 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" ;;
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) ${macro}"
118 case "${invalid_p}" in
121 if [ -n "${predefault}" ]
123 #invalid_p="gdbarch->${function} == ${predefault}"
124 valid_p
="gdbarch->${function} != ${predefault}"
126 #invalid_p="gdbarch->${function} == 0"
127 valid_p
="gdbarch->${function} != 0"
130 * ) valid_p
="!(${invalid_p})"
133 # PREDEFAULT is a valid fallback definition of MEMBER when
134 # multi-arch is not enabled. This ensures that the
135 # default value, when multi-arch is the same as the
136 # default value when not multi-arch. POSTDEFAULT is
137 # always a valid definition of MEMBER as this again
138 # ensures consistency.
140 if [ -n "${postdefault}" ]
142 fallbackdefault
="${postdefault}"
143 elif [ -n "${predefault}" ]
145 fallbackdefault
="${predefault}"
150 #NOT YET: See gdbarch.log for basic verification of
165 fallback_default_p
()
167 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
168 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
171 class_is_variable_p
()
179 class_is_function_p
()
182 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
187 class_is_multiarch_p
()
195 class_is_predicate_p
()
198 *F
* |
*V
* |
*M
* ) true
;;
212 # dump out/verify the doco
222 # F -> function + predicate
223 # hiding a function + predicate to test function validity
226 # V -> variable + predicate
227 # hiding a variable + predicate to test variables validity
229 # hiding something from the ``struct info'' object
230 # m -> multi-arch function
231 # hiding a multi-arch function (parameterised with the architecture)
232 # M -> multi-arch function + predicate
233 # hiding a multi-arch function + predicate to test function validity
237 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
238 # LEVEL is a predicate on checking that a given method is
239 # initialized (using INVALID_P).
243 # The name of the MACRO that this method is to be accessed by.
247 # For functions, the return type; for variables, the data type
251 # For functions, the member function name; for variables, the
252 # variable name. Member function names are always prefixed with
253 # ``gdbarch_'' for name-space purity.
257 # The formal argument list. It is assumed that the formal
258 # argument list includes the actual name of each list element.
259 # A function with no arguments shall have ``void'' as the
260 # formal argument list.
264 # The list of actual arguments. The arguments specified shall
265 # match the FORMAL list given above. Functions with out
266 # arguments leave this blank.
270 # Any GCC attributes that should be attached to the function
271 # declaration. At present this field is unused.
275 # To help with the GDB startup a static gdbarch object is
276 # created. STATICDEFAULT is the value to insert into that
277 # static gdbarch object. Since this a static object only
278 # simple expressions can be used.
280 # If STATICDEFAULT is empty, zero is used.
284 # An initial value to assign to MEMBER of the freshly
285 # malloc()ed gdbarch object. After initialization, the
286 # freshly malloc()ed object is passed to the target
287 # architecture code for further updates.
289 # If PREDEFAULT is empty, zero is used.
291 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
292 # INVALID_P are specified, PREDEFAULT will be used as the
293 # default for the non- multi-arch target.
295 # A zero PREDEFAULT function will force the fallback to call
298 # Variable declarations can refer to ``gdbarch'' which will
299 # contain the current architecture. Care should be taken.
303 # A value to assign to MEMBER of the new gdbarch object should
304 # the target architecture code fail to change the PREDEFAULT
307 # If POSTDEFAULT is empty, no post update is performed.
309 # If both INVALID_P and POSTDEFAULT are non-empty then
310 # INVALID_P will be used to determine if MEMBER should be
311 # changed to POSTDEFAULT.
313 # If a non-empty POSTDEFAULT and a zero INVALID_P are
314 # specified, POSTDEFAULT will be used as the default for the
315 # non- multi-arch target (regardless of the value of
318 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
320 # Variable declarations can refer to ``gdbarch'' which will
321 # contain the current architecture. Care should be taken.
325 # A predicate equation that validates MEMBER. Non-zero is
326 # returned if the code creating the new architecture failed to
327 # initialize MEMBER or the initialized the member is invalid.
328 # If POSTDEFAULT is non-empty then MEMBER will be updated to
329 # that value. If POSTDEFAULT is empty then internal_error()
332 # If INVALID_P is empty, a check that MEMBER is no longer
333 # equal to PREDEFAULT is used.
335 # The expression ``0'' disables the INVALID_P check making
336 # PREDEFAULT a legitimate value.
338 # See also PREDEFAULT and POSTDEFAULT.
342 # printf style format string that can be used to print out the
343 # MEMBER. Sometimes "%s" is useful. For functions, this is
344 # ignored and the function address is printed.
346 # If FMT is empty, ``%ld'' is used.
350 # An optional equation that casts MEMBER to a value suitable
351 # for formatting by FMT.
353 # If PRINT is empty, ``(long)'' is used.
357 # An optional indicator for any predicte to wrap around the
360 # () -> Call a custom function to do the dump.
361 # exp -> Wrap print up in ``if (${print_p}) ...
362 # ``'' -> No predicate
364 # If PRINT_P is empty, ``1'' is always used.
371 echo "Bad field ${field}"
379 # See below (DOCO) for description of each field
381 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
383 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
384 # Number of bits in a char or unsigned char for the target machine.
385 # Just like CHAR_BIT in <limits.h> but describes the target machine.
386 # v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
388 # Number of bits in a short or unsigned short for the target machine.
389 v::TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
390 # Number of bits in an int or unsigned int for the target machine.
391 v::TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
392 # Number of bits in a long or unsigned long for the target machine.
393 v::TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
394 # Number of bits in a long long or unsigned long long for the target
396 v::TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
397 # Number of bits in a float for the target machine.
398 v::TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
399 # Number of bits in a double for the target machine.
400 v::TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
401 # Number of bits in a long double for the target machine.
402 v::TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
403 # For most targets, a pointer on the target and its representation as an
404 # address in GDB have the same size and "look the same". For such a
405 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
406 # / addr_bit will be set from it.
408 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
409 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
411 # ptr_bit is the size of a pointer on the target
412 v::TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
413 # addr_bit is the size of a target address as represented in gdb
414 v::TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
415 # Number of bits in a BFD_VMA for the target object file format.
416 v::TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
418 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
419 v::TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
421 f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
422 f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
423 f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
424 f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
425 f::TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
426 # Function for getting target's idea of a frame pointer. FIXME: GDB's
427 # whole scheme for dealing with "frames" and "frame pointers" needs a
429 f::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
431 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf:
432 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf:
434 v:2:NUM_REGS:int:num_regs::::0:-1
435 # This macro gives the number of pseudo-registers that live in the
436 # register namespace but do not get fetched or stored on the target.
437 # These pseudo-registers may be aliases for other registers,
438 # combinations of other registers, or they may be computed by GDB.
439 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
441 # GDB's standard (or well known) register numbers. These can map onto
442 # a real register or a pseudo (computed) register or not be defined at
444 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
445 v:2:FP_REGNUM:int:fp_regnum::::-1:-1::0
446 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
447 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
448 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
449 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
450 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
451 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
452 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
453 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
454 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
455 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
456 # Convert from an sdb register number to an internal gdb register number.
457 # This should be defined in tm.h, if REGISTER_NAMES is not set up
458 # to map one to one onto the sdb register numbers.
459 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
460 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
461 f:2:REGISTER_NAME:const char *:register_name:int regnr:regnr:::legacy_register_name::0
462 v:2:REGISTER_SIZE:int:register_size::::0:-1
463 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
464 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::0:0
465 f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
466 v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1
467 f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
468 v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1
469 f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
470 f:2:DO_REGISTERS_INFO:void:do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs:::do_registers_info::0
471 m:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame:file, frame:::default_print_float_info::0
472 # MAP a GDB RAW register number onto a simulator register number. See
473 # also include/...-sim.h.
474 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
475 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
476 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
477 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
478 # setjmp/longjmp support.
479 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc::0:0
481 # Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
482 # much better but at least they are vaguely consistent). The headers
483 # and body contain convoluted #if/#else sequences for determine how
484 # things should be compiled. Instead of trying to mimic that
485 # behaviour here (and hence entrench it further) gdbarch simply
486 # reqires that these methods be set up from the word go. This also
487 # avoids any potential problems with moving beyond multi-arch partial.
488 v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
489 v:1:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
490 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
491 v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx
492 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
493 v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1
494 v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END
495 f:1:PC_IN_CALL_DUMMY:int:pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::0:0
496 v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1
497 v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
498 v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx
499 v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1:::0x%08lx
500 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
501 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
502 f:2:INIT_FRAME_PC_FIRST:void:init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_noop::0
503 f:2:INIT_FRAME_PC:void:init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_default::0
505 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
506 v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
507 f:2:COERCE_FLOAT_TO_DOUBLE:int:coerce_float_to_double:struct type *formal, struct type *actual:formal, actual:::default_coerce_float_to_double::0
508 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:::generic_unwind_get_saved_register::0
510 f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
511 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
512 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
514 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
515 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
516 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
517 # This function is called when the value of a pseudo-register needs to
518 # be updated. Typically it will be defined on a per-architecture
520 F:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:
521 # This function is called when the value of a pseudo-register needs to
522 # be set or stored. Typically it will be defined on a
523 # per-architecture basis.
524 F:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:
526 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, void *buf:type, buf:::unsigned_pointer_to_address::0
527 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
528 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
530 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
531 f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, char *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
532 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0
533 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
534 f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0
535 F:2:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
536 f:2:POP_FRAME:void:pop_frame:void:-:::0
538 f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
539 f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, char *valbuf:type, valbuf:::0
540 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache:::0
541 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf:::0
542 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
544 f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0
545 F:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
547 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
548 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
549 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
550 f:2:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
551 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
552 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
553 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
554 f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
555 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
557 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
559 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
560 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
561 f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
562 # Define a default FRAME_CHAIN_VALID, in the form that is suitable for
563 # most targets. If FRAME_CHAIN_VALID returns zero it means that the
564 # given frame is the outermost one and has no caller.
566 # XXXX - both default and alternate frame_chain_valid functions are
567 # deprecated. New code should use dummy frames and one of the generic
569 f:2:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe:::generic_func_frame_chain_valid::0
570 f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
571 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0
572 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:0
573 f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
574 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
576 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
577 v:2:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
578 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
579 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
580 v:2:PARM_BOUNDARY:int:parm_boundary
582 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)
583 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)
584 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)
585 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
586 # On some machines there are bits in addresses which are not really
587 # part of the address, but are used by the kernel, the hardware, etc.
588 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
589 # we get a "real" address such as one would find in a symbol table.
590 # This is used only for addresses of instructions, and even then I'm
591 # not sure it's used in all contexts. It exists to deal with there
592 # being a few stray bits in the PC which would mislead us, not as some
593 # sort of generic thing to handle alignment or segmentation (it's
594 # possible it should be in TARGET_READ_PC instead).
595 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
596 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
598 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
599 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
600 # the target needs software single step. An ISA method to implement it.
602 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
603 # using the breakpoint system instead of blatting memory directly (as with rs6000).
605 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
606 # single step. If not, then implement single step using breakpoints.
607 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
608 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
609 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
610 # For SVR4 shared libraries, each call goes through a small piece of
611 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
612 # to nonzero if we are current stopped in one of these.
613 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
614 # Sigtramp is a routine that the kernel calls (which then calls the
615 # signal handler). On most machines it is a library routine that is
616 # linked into the executable.
618 # This macro, given a program counter value and the name of the
619 # function in which that PC resides (which can be null if the name is
620 # not known), returns nonzero if the PC and name show that we are in
623 # On most machines just see if the name is sigtramp (and if we have
624 # no name, assume we are not in sigtramp).
626 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
627 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
628 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
629 # own local NAME lookup.
631 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
632 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
634 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
635 # A target might have problems with watchpoints as soon as the stack
636 # frame of the current function has been destroyed. This mostly happens
637 # as the first action in a funtion's epilogue. in_function_epilogue_p()
638 # is defined to return a non-zero value if either the given addr is one
639 # instruction after the stack destroying instruction up to the trailing
640 # return instruction or if we can figure out that the stack frame has
641 # already been invalidated regardless of the value of addr. Targets
642 # which don't suffer from that problem could just let this functionality
644 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
645 # Given a vector of command-line arguments, return a newly allocated
646 # string which, when passed to the create_inferior function, will be
647 # parsed (on Unix systems, by the shell) to yield the same vector.
648 # This function should call error() if the argument vector is not
649 # representable for this target or if this target does not support
650 # command-line arguments.
651 # ARGC is the number of elements in the vector.
652 # ARGV is an array of strings, one per argument.
653 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
654 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
655 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
656 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
663 exec > new-gdbarch.log
664 function_list |
while do_read
667 ${class} ${macro}(${actual})
668 ${returntype} ${function} ($formal)${attrib}
672 eval echo \"\ \ \ \
${r}=\
${${r}}\"
674 # #fallbackdefault=${fallbackdefault}
675 # #valid_p=${valid_p}
677 if class_is_predicate_p
&& fallback_default_p
679 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
683 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
685 echo "Error: postdefault is useless when invalid_p=0" 1>&2
689 if class_is_multiarch_p
691 if class_is_predicate_p
; then :
692 elif test "x${predefault}" = "x"
694 echo "Error: pure multi-arch function must have a predefault" 1>&2
703 compare_new gdbarch.log
709 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
711 /* Dynamic architecture support for GDB, the GNU debugger.
712 Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
714 This file is part of GDB.
716 This program is free software; you can redistribute it and/or modify
717 it under the terms of the GNU General Public License as published by
718 the Free Software Foundation; either version 2 of the License, or
719 (at your option) any later version.
721 This program is distributed in the hope that it will be useful,
722 but WITHOUT ANY WARRANTY; without even the implied warranty of
723 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
724 GNU General Public License for more details.
726 You should have received a copy of the GNU General Public License
727 along with this program; if not, write to the Free Software
728 Foundation, Inc., 59 Temple Place - Suite 330,
729 Boston, MA 02111-1307, USA. */
731 /* This file was created with the aid of \`\`gdbarch.sh''.
733 The Bourne shell script \`\`gdbarch.sh'' creates the files
734 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
735 against the existing \`\`gdbarch.[hc]''. Any differences found
738 If editing this file, please also run gdbarch.sh and merge any
739 changes into that script. Conversely, when making sweeping changes
740 to this file, modifying gdbarch.sh and using its output may prove
756 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
758 /* Pull in function declarations refered to, indirectly, via macros. */
759 #include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */
760 #include "inferior.h" /* For unsigned_address_to_pointer(). */
766 struct minimal_symbol;
769 extern struct gdbarch *current_gdbarch;
772 /* If any of the following are defined, the target wasn't correctly
776 #if defined (EXTRA_FRAME_INFO)
777 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
782 #if defined (FRAME_FIND_SAVED_REGS)
783 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
787 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
788 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
795 printf "/* The following are pre-initialized by GDBARCH. */\n"
796 function_list |
while do_read
801 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
802 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
803 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
804 printf "#error \"Non multi-arch definition of ${macro}\"\n"
806 printf "#if GDB_MULTI_ARCH\n"
807 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
808 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
817 printf "/* The following are initialized by the target dependent code. */\n"
818 function_list |
while do_read
820 if [ -n "${comment}" ]
822 echo "${comment}" |
sed \
827 if class_is_multiarch_p
829 if class_is_predicate_p
832 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
835 if class_is_predicate_p
838 printf "#if defined (${macro})\n"
839 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
840 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
841 printf "#if !defined (${macro}_P)\n"
842 printf "#define ${macro}_P() (1)\n"
846 printf "/* Default predicate for non- multi-arch targets. */\n"
847 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
848 printf "#define ${macro}_P() (0)\n"
851 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
852 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
853 printf "#error \"Non multi-arch definition of ${macro}\"\n"
855 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
856 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
860 if class_is_variable_p
862 if fallback_default_p || class_is_predicate_p
865 printf "/* Default (value) for non- multi-arch platforms. */\n"
866 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
867 echo "#define ${macro} (${fallbackdefault})" \
868 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
872 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
873 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
874 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
875 printf "#error \"Non multi-arch definition of ${macro}\"\n"
877 printf "#if GDB_MULTI_ARCH\n"
878 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
879 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
883 if class_is_function_p
885 if class_is_multiarch_p
; then :
886 elif fallback_default_p || class_is_predicate_p
889 printf "/* Default (function) for non- multi-arch platforms. */\n"
890 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
891 if [ "x${fallbackdefault}" = "x0" ]
893 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
895 # FIXME: Should be passing current_gdbarch through!
896 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
897 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
902 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
904 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
905 elif class_is_multiarch_p
907 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
909 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
911 if [ "x${formal}" = "xvoid" ]
913 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
915 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
917 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
918 if class_is_multiarch_p
; then :
920 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
921 printf "#error \"Non multi-arch definition of ${macro}\"\n"
923 printf "#if GDB_MULTI_ARCH\n"
924 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
925 if [ "x${actual}" = "x" ]
927 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
928 elif [ "x${actual}" = "x-" ]
930 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
932 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
943 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
946 /* Mechanism for co-ordinating the selection of a specific
949 GDB targets (*-tdep.c) can register an interest in a specific
950 architecture. Other GDB components can register a need to maintain
951 per-architecture data.
953 The mechanisms below ensures that there is only a loose connection
954 between the set-architecture command and the various GDB
955 components. Each component can independently register their need
956 to maintain architecture specific data with gdbarch.
960 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
963 The more traditional mega-struct containing architecture specific
964 data for all the various GDB components was also considered. Since
965 GDB is built from a variable number of (fairly independent)
966 components it was determined that the global aproach was not
970 /* Register a new architectural family with GDB.
972 Register support for the specified ARCHITECTURE with GDB. When
973 gdbarch determines that the specified architecture has been
974 selected, the corresponding INIT function is called.
978 The INIT function takes two parameters: INFO which contains the
979 information available to gdbarch about the (possibly new)
980 architecture; ARCHES which is a list of the previously created
981 \`\`struct gdbarch'' for this architecture.
983 The INFO parameter is, as far as possible, be pre-initialized with
984 information obtained from INFO.ABFD or the previously selected
987 The ARCHES parameter is a linked list (sorted most recently used)
988 of all the previously created architures for this architecture
989 family. The (possibly NULL) ARCHES->gdbarch can used to access
990 values from the previously selected architecture for this
991 architecture family. The global \`\`current_gdbarch'' shall not be
994 The INIT function shall return any of: NULL - indicating that it
995 doesn't recognize the selected architecture; an existing \`\`struct
996 gdbarch'' from the ARCHES list - indicating that the new
997 architecture is just a synonym for an earlier architecture (see
998 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
999 - that describes the selected architecture (see gdbarch_alloc()).
1001 The DUMP_TDEP function shall print out all target specific values.
1002 Care should be taken to ensure that the function works in both the
1003 multi-arch and non- multi-arch cases. */
1007 struct gdbarch *gdbarch;
1008 struct gdbarch_list *next;
1013 /* Use default: NULL (ZERO). */
1014 const struct bfd_arch_info *bfd_arch_info;
1016 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1019 /* Use default: NULL (ZERO). */
1022 /* Use default: NULL (ZERO). */
1023 struct gdbarch_tdep_info *tdep_info;
1026 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1027 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1029 /* DEPRECATED - use gdbarch_register() */
1030 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1032 extern void gdbarch_register (enum bfd_architecture architecture,
1033 gdbarch_init_ftype *,
1034 gdbarch_dump_tdep_ftype *);
1037 /* Return a freshly allocated, NULL terminated, array of the valid
1038 architecture names. Since architectures are registered during the
1039 _initialize phase this function only returns useful information
1040 once initialization has been completed. */
1042 extern const char **gdbarch_printable_names (void);
1045 /* Helper function. Search the list of ARCHES for a GDBARCH that
1046 matches the information provided by INFO. */
1048 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1051 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1052 basic initialization using values obtained from the INFO andTDEP
1053 parameters. set_gdbarch_*() functions are called to complete the
1054 initialization of the object. */
1056 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1059 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1060 It is assumed that the caller freeds the \`\`struct
1063 extern void gdbarch_free (struct gdbarch *);
1066 /* Helper function. Force an update of the current architecture.
1068 The actual architecture selected is determined by INFO, \`\`(gdb) set
1069 architecture'' et.al., the existing architecture and BFD's default
1070 architecture. INFO should be initialized to zero and then selected
1071 fields should be updated.
1073 Returns non-zero if the update succeeds */
1075 extern int gdbarch_update_p (struct gdbarch_info info);
1079 /* Register per-architecture data-pointer.
1081 Reserve space for a per-architecture data-pointer. An identifier
1082 for the reserved data-pointer is returned. That identifer should
1083 be saved in a local static variable.
1085 The per-architecture data-pointer is either initialized explicitly
1086 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1087 gdbarch_data()). FREE() is called to delete either an existing
1088 data-pointer overridden by set_gdbarch_data() or when the
1089 architecture object is being deleted.
1091 When a previously created architecture is re-selected, the
1092 per-architecture data-pointer for that previous architecture is
1093 restored. INIT() is not re-called.
1095 Multiple registrarants for any architecture are allowed (and
1096 strongly encouraged). */
1098 struct gdbarch_data;
1100 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1101 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1103 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1104 gdbarch_data_free_ftype *free);
1105 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1106 struct gdbarch_data *data,
1109 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1112 /* Register per-architecture memory region.
1114 Provide a memory-region swap mechanism. Per-architecture memory
1115 region are created. These memory regions are swapped whenever the
1116 architecture is changed. For a new architecture, the memory region
1117 is initialized with zero (0) and the INIT function is called.
1119 Memory regions are swapped / initialized in the order that they are
1120 registered. NULL DATA and/or INIT values can be specified.
1122 New code should use register_gdbarch_data(). */
1124 typedef void (gdbarch_swap_ftype) (void);
1125 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1126 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1130 /* The target-system-dependent byte order is dynamic */
1132 extern int target_byte_order;
1133 #ifndef TARGET_BYTE_ORDER
1134 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1137 extern int target_byte_order_auto;
1138 #ifndef TARGET_BYTE_ORDER_AUTO
1139 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1144 /* The target-system-dependent BFD architecture is dynamic */
1146 extern int target_architecture_auto;
1147 #ifndef TARGET_ARCHITECTURE_AUTO
1148 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1151 extern const struct bfd_arch_info *target_architecture;
1152 #ifndef TARGET_ARCHITECTURE
1153 #define TARGET_ARCHITECTURE (target_architecture + 0)
1157 /* The target-system-dependent disassembler is semi-dynamic */
1159 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1160 unsigned int len, disassemble_info *info);
1162 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1163 disassemble_info *info);
1165 extern void dis_asm_print_address (bfd_vma addr,
1166 disassemble_info *info);
1168 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1169 extern disassemble_info tm_print_insn_info;
1170 #ifndef TARGET_PRINT_INSN_INFO
1171 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1176 /* Set the dynamic target-system-dependent parameters (architecture,
1177 byte-order, ...) using information found in the BFD */
1179 extern void set_gdbarch_from_file (bfd *);
1182 /* Initialize the current architecture to the "first" one we find on
1185 extern void initialize_current_architecture (void);
1187 /* For non-multiarched targets, do any initialization of the default
1188 gdbarch object necessary after the _initialize_MODULE functions
1190 extern void initialize_non_multiarch (void);
1192 /* gdbarch trace variable */
1193 extern int gdbarch_debug;
1195 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1200 #../move-if-change new-gdbarch.h gdbarch.h
1201 compare_new gdbarch.h
1208 exec > new-gdbarch.c
1213 #include "arch-utils.h"
1217 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1219 /* Just include everything in sight so that the every old definition
1220 of macro is visible. */
1221 #include "gdb_string.h"
1225 #include "inferior.h"
1226 #include "breakpoint.h"
1227 #include "gdb_wait.h"
1228 #include "gdbcore.h"
1231 #include "gdbthread.h"
1232 #include "annotate.h"
1233 #include "symfile.h" /* for overlay functions */
1234 #include "value.h" /* For old tm.h/nm.h macros. */
1238 #include "floatformat.h"
1240 #include "gdb_assert.h"
1241 #include "gdb_string.h"
1242 #include "gdb-events.h"
1244 /* Static function declarations */
1246 static void verify_gdbarch (struct gdbarch *gdbarch);
1247 static void alloc_gdbarch_data (struct gdbarch *);
1248 static void free_gdbarch_data (struct gdbarch *);
1249 static void init_gdbarch_swap (struct gdbarch *);
1250 static void clear_gdbarch_swap (struct gdbarch *);
1251 static void swapout_gdbarch_swap (struct gdbarch *);
1252 static void swapin_gdbarch_swap (struct gdbarch *);
1254 /* Non-zero if we want to trace architecture code. */
1256 #ifndef GDBARCH_DEBUG
1257 #define GDBARCH_DEBUG 0
1259 int gdbarch_debug = GDBARCH_DEBUG;
1263 # gdbarch open the gdbarch object
1265 printf "/* Maintain the struct gdbarch object */\n"
1267 printf "struct gdbarch\n"
1269 printf " /* Has this architecture been fully initialized? */\n"
1270 printf " int initialized_p;\n"
1271 printf " /* basic architectural information */\n"
1272 function_list |
while do_read
1276 printf " ${returntype} ${function};\n"
1280 printf " /* target specific vector. */\n"
1281 printf " struct gdbarch_tdep *tdep;\n"
1282 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1284 printf " /* per-architecture data-pointers */\n"
1285 printf " unsigned nr_data;\n"
1286 printf " void **data;\n"
1288 printf " /* per-architecture swap-regions */\n"
1289 printf " struct gdbarch_swap *swap;\n"
1292 /* Multi-arch values.
1294 When extending this structure you must:
1296 Add the field below.
1298 Declare set/get functions and define the corresponding
1301 gdbarch_alloc(): If zero/NULL is not a suitable default,
1302 initialize the new field.
1304 verify_gdbarch(): Confirm that the target updated the field
1307 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1310 \`\`startup_gdbarch()'': Append an initial value to the static
1311 variable (base values on the host's c-type system).
1313 get_gdbarch(): Implement the set/get functions (probably using
1314 the macro's as shortcuts).
1319 function_list |
while do_read
1321 if class_is_variable_p
1323 printf " ${returntype} ${function};\n"
1324 elif class_is_function_p
1326 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1331 # A pre-initialized vector
1335 /* The default architecture uses host values (for want of a better
1339 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1341 printf "struct gdbarch startup_gdbarch =\n"
1343 printf " 1, /* Always initialized. */\n"
1344 printf " /* basic architecture information */\n"
1345 function_list |
while do_read
1349 printf " ${staticdefault},\n"
1353 /* target specific vector and its dump routine */
1355 /*per-architecture data-pointers and swap regions */
1357 /* Multi-arch values */
1359 function_list |
while do_read
1361 if class_is_function_p || class_is_variable_p
1363 printf " ${staticdefault},\n"
1367 /* startup_gdbarch() */
1370 struct gdbarch *current_gdbarch = &startup_gdbarch;
1372 /* Do any initialization needed for a non-multiarch configuration
1373 after the _initialize_MODULE functions have been run. */
1375 initialize_non_multiarch (void)
1377 alloc_gdbarch_data (&startup_gdbarch);
1378 /* Ensure that all swap areas are zeroed so that they again think
1379 they are starting from scratch. */
1380 clear_gdbarch_swap (&startup_gdbarch);
1381 init_gdbarch_swap (&startup_gdbarch);
1385 # Create a new gdbarch struct
1389 /* Create a new \`\`struct gdbarch'' based on information provided by
1390 \`\`struct gdbarch_info''. */
1395 gdbarch_alloc (const struct gdbarch_info *info,
1396 struct gdbarch_tdep *tdep)
1398 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1399 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1400 the current local architecture and not the previous global
1401 architecture. This ensures that the new architectures initial
1402 values are not influenced by the previous architecture. Once
1403 everything is parameterised with gdbarch, this will go away. */
1404 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1405 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1407 alloc_gdbarch_data (current_gdbarch);
1409 current_gdbarch->tdep = tdep;
1412 function_list |
while do_read
1416 printf " current_gdbarch->${function} = info->${function};\n"
1420 printf " /* Force the explicit initialization of these. */\n"
1421 function_list |
while do_read
1423 if class_is_function_p || class_is_variable_p
1425 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1427 printf " current_gdbarch->${function} = ${predefault};\n"
1432 /* gdbarch_alloc() */
1434 return current_gdbarch;
1438 # Free a gdbarch struct.
1442 /* Free a gdbarch struct. This should never happen in normal
1443 operation --- once you've created a gdbarch, you keep it around.
1444 However, if an architecture's init function encounters an error
1445 building the structure, it may need to clean up a partially
1446 constructed gdbarch. */
1449 gdbarch_free (struct gdbarch *arch)
1451 gdb_assert (arch != NULL);
1452 free_gdbarch_data (arch);
1457 # verify a new architecture
1460 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1464 verify_gdbarch (struct gdbarch *gdbarch)
1466 struct ui_file *log;
1467 struct cleanup *cleanups;
1470 /* Only perform sanity checks on a multi-arch target. */
1471 if (!GDB_MULTI_ARCH)
1473 log = mem_fileopen ();
1474 cleanups = make_cleanup_ui_file_delete (log);
1476 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1477 fprintf_unfiltered (log, "\n\tbyte-order");
1478 if (gdbarch->bfd_arch_info == NULL)
1479 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1480 /* Check those that need to be defined for the given multi-arch level. */
1482 function_list |
while do_read
1484 if class_is_function_p || class_is_variable_p
1486 if [ "x${invalid_p}" = "x0" ]
1488 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1489 elif class_is_predicate_p
1491 printf " /* Skip verify of ${function}, has predicate */\n"
1492 # FIXME: See do_read for potential simplification
1493 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1495 printf " if (${invalid_p})\n"
1496 printf " gdbarch->${function} = ${postdefault};\n"
1497 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1499 printf " if (gdbarch->${function} == ${predefault})\n"
1500 printf " gdbarch->${function} = ${postdefault};\n"
1501 elif [ -n "${postdefault}" ]
1503 printf " if (gdbarch->${function} == 0)\n"
1504 printf " gdbarch->${function} = ${postdefault};\n"
1505 elif [ -n "${invalid_p}" ]
1507 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1508 printf " && (${invalid_p}))\n"
1509 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1510 elif [ -n "${predefault}" ]
1512 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1513 printf " && (gdbarch->${function} == ${predefault}))\n"
1514 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1519 buf = ui_file_xstrdup (log, &dummy);
1520 make_cleanup (xfree, buf);
1521 if (strlen (buf) > 0)
1522 internal_error (__FILE__, __LINE__,
1523 "verify_gdbarch: the following are invalid ...%s",
1525 do_cleanups (cleanups);
1529 # dump the structure
1533 /* Print out the details of the current architecture. */
1535 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1536 just happens to match the global variable \`\`current_gdbarch''. That
1537 way macros refering to that variable get the local and not the global
1538 version - ulgh. Once everything is parameterised with gdbarch, this
1542 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1544 fprintf_unfiltered (file,
1545 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1548 function_list |
sort -t: +2 |
while do_read
1550 # multiarch functions don't have macros.
1551 if class_is_multiarch_p
1553 printf " if (GDB_MULTI_ARCH)\n"
1554 printf " fprintf_unfiltered (file,\n"
1555 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1556 printf " (long) current_gdbarch->${function});\n"
1559 # Print the macro definition.
1560 printf "#ifdef ${macro}\n"
1561 if [ "x${returntype}" = "xvoid" ]
1563 printf "#if GDB_MULTI_ARCH\n"
1564 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1566 if class_is_function_p
1568 printf " fprintf_unfiltered (file,\n"
1569 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1570 printf " \"${macro}(${actual})\",\n"
1571 printf " XSTRING (${macro} (${actual})));\n"
1573 printf " fprintf_unfiltered (file,\n"
1574 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1575 printf " XSTRING (${macro}));\n"
1577 # Print the architecture vector value
1578 if [ "x${returntype}" = "xvoid" ]
1582 if [ "x${print_p}" = "x()" ]
1584 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1585 elif [ "x${print_p}" = "x0" ]
1587 printf " /* skip print of ${macro}, print_p == 0. */\n"
1588 elif [ -n "${print_p}" ]
1590 printf " if (${print_p})\n"
1591 printf " fprintf_unfiltered (file,\n"
1592 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1593 printf " ${print});\n"
1594 elif class_is_function_p
1596 printf " if (GDB_MULTI_ARCH)\n"
1597 printf " fprintf_unfiltered (file,\n"
1598 printf " \"gdbarch_dump: ${macro} = 0x%%08lx\\\\n\",\n"
1599 printf " (long) current_gdbarch->${function}\n"
1600 printf " /*${macro} ()*/);\n"
1602 printf " fprintf_unfiltered (file,\n"
1603 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1604 printf " ${print});\n"
1609 if (current_gdbarch->dump_tdep != NULL)
1610 current_gdbarch->dump_tdep (current_gdbarch, file);
1618 struct gdbarch_tdep *
1619 gdbarch_tdep (struct gdbarch *gdbarch)
1621 if (gdbarch_debug >= 2)
1622 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1623 return gdbarch->tdep;
1627 function_list |
while do_read
1629 if class_is_predicate_p
1633 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1635 printf " gdb_assert (gdbarch != NULL);\n"
1636 if [ -n "${valid_p}" ]
1638 printf " return ${valid_p};\n"
1640 printf "#error \"gdbarch_${function}_p: not defined\"\n"
1644 if class_is_function_p
1647 printf "${returntype}\n"
1648 if [ "x${formal}" = "xvoid" ]
1650 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1652 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1655 printf " gdb_assert (gdbarch != NULL);\n"
1656 printf " if (gdbarch->${function} == 0)\n"
1657 printf " internal_error (__FILE__, __LINE__,\n"
1658 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1659 printf " if (gdbarch_debug >= 2)\n"
1660 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1661 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1663 if class_is_multiarch_p
1670 if class_is_multiarch_p
1672 params
="gdbarch, ${actual}"
1677 if [ "x${returntype}" = "xvoid" ]
1679 printf " gdbarch->${function} (${params});\n"
1681 printf " return gdbarch->${function} (${params});\n"
1686 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1687 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1689 printf " gdbarch->${function} = ${function};\n"
1691 elif class_is_variable_p
1694 printf "${returntype}\n"
1695 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1697 printf " gdb_assert (gdbarch != NULL);\n"
1698 if [ "x${invalid_p}" = "x0" ]
1700 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1701 elif [ -n "${invalid_p}" ]
1703 printf " if (${invalid_p})\n"
1704 printf " internal_error (__FILE__, __LINE__,\n"
1705 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1706 elif [ -n "${predefault}" ]
1708 printf " if (gdbarch->${function} == ${predefault})\n"
1709 printf " internal_error (__FILE__, __LINE__,\n"
1710 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1712 printf " if (gdbarch_debug >= 2)\n"
1713 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1714 printf " return gdbarch->${function};\n"
1718 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1719 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1721 printf " gdbarch->${function} = ${function};\n"
1723 elif class_is_info_p
1726 printf "${returntype}\n"
1727 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1729 printf " gdb_assert (gdbarch != NULL);\n"
1730 printf " if (gdbarch_debug >= 2)\n"
1731 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1732 printf " return gdbarch->${function};\n"
1737 # All the trailing guff
1741 /* Keep a registry of per-architecture data-pointers required by GDB
1748 gdbarch_data_init_ftype *init;
1749 gdbarch_data_free_ftype *free;
1752 struct gdbarch_data_registration
1754 struct gdbarch_data *data;
1755 struct gdbarch_data_registration *next;
1758 struct gdbarch_data_registry
1761 struct gdbarch_data_registration *registrations;
1764 struct gdbarch_data_registry gdbarch_data_registry =
1769 struct gdbarch_data *
1770 register_gdbarch_data (gdbarch_data_init_ftype *init,
1771 gdbarch_data_free_ftype *free)
1773 struct gdbarch_data_registration **curr;
1774 /* Append the new registraration. */
1775 for (curr = &gdbarch_data_registry.registrations;
1777 curr = &(*curr)->next);
1778 (*curr) = XMALLOC (struct gdbarch_data_registration);
1779 (*curr)->next = NULL;
1780 (*curr)->data = XMALLOC (struct gdbarch_data);
1781 (*curr)->data->index = gdbarch_data_registry.nr++;
1782 (*curr)->data->init = init;
1783 (*curr)->data->init_p = 1;
1784 (*curr)->data->free = free;
1785 return (*curr)->data;
1789 /* Create/delete the gdbarch data vector. */
1792 alloc_gdbarch_data (struct gdbarch *gdbarch)
1794 gdb_assert (gdbarch->data == NULL);
1795 gdbarch->nr_data = gdbarch_data_registry.nr;
1796 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1800 free_gdbarch_data (struct gdbarch *gdbarch)
1802 struct gdbarch_data_registration *rego;
1803 gdb_assert (gdbarch->data != NULL);
1804 for (rego = gdbarch_data_registry.registrations;
1808 struct gdbarch_data *data = rego->data;
1809 gdb_assert (data->index < gdbarch->nr_data);
1810 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1812 data->free (gdbarch, gdbarch->data[data->index]);
1813 gdbarch->data[data->index] = NULL;
1816 xfree (gdbarch->data);
1817 gdbarch->data = NULL;
1821 /* Initialize the current value of the specified per-architecture
1825 set_gdbarch_data (struct gdbarch *gdbarch,
1826 struct gdbarch_data *data,
1829 gdb_assert (data->index < gdbarch->nr_data);
1830 if (gdbarch->data[data->index] != NULL)
1832 gdb_assert (data->free != NULL);
1833 data->free (gdbarch, gdbarch->data[data->index]);
1835 gdbarch->data[data->index] = pointer;
1838 /* Return the current value of the specified per-architecture
1842 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1844 gdb_assert (data->index < gdbarch->nr_data);
1845 /* The data-pointer isn't initialized, call init() to get a value but
1846 only if the architecture initializaiton has completed. Otherwise
1847 punt - hope that the caller knows what they are doing. */
1848 if (gdbarch->data[data->index] == NULL
1849 && gdbarch->initialized_p)
1851 /* Be careful to detect an initialization cycle. */
1852 gdb_assert (data->init_p);
1854 gdb_assert (data->init != NULL);
1855 gdbarch->data[data->index] = data->init (gdbarch);
1857 gdb_assert (gdbarch->data[data->index] != NULL);
1859 return gdbarch->data[data->index];
1864 /* Keep a registry of swapped data required by GDB modules. */
1869 struct gdbarch_swap_registration *source;
1870 struct gdbarch_swap *next;
1873 struct gdbarch_swap_registration
1876 unsigned long sizeof_data;
1877 gdbarch_swap_ftype *init;
1878 struct gdbarch_swap_registration *next;
1881 struct gdbarch_swap_registry
1884 struct gdbarch_swap_registration *registrations;
1887 struct gdbarch_swap_registry gdbarch_swap_registry =
1893 register_gdbarch_swap (void *data,
1894 unsigned long sizeof_data,
1895 gdbarch_swap_ftype *init)
1897 struct gdbarch_swap_registration **rego;
1898 for (rego = &gdbarch_swap_registry.registrations;
1900 rego = &(*rego)->next);
1901 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1902 (*rego)->next = NULL;
1903 (*rego)->init = init;
1904 (*rego)->data = data;
1905 (*rego)->sizeof_data = sizeof_data;
1909 clear_gdbarch_swap (struct gdbarch *gdbarch)
1911 struct gdbarch_swap *curr;
1912 for (curr = gdbarch->swap;
1916 memset (curr->source->data, 0, curr->source->sizeof_data);
1921 init_gdbarch_swap (struct gdbarch *gdbarch)
1923 struct gdbarch_swap_registration *rego;
1924 struct gdbarch_swap **curr = &gdbarch->swap;
1925 for (rego = gdbarch_swap_registry.registrations;
1929 if (rego->data != NULL)
1931 (*curr) = XMALLOC (struct gdbarch_swap);
1932 (*curr)->source = rego;
1933 (*curr)->swap = xmalloc (rego->sizeof_data);
1934 (*curr)->next = NULL;
1935 curr = &(*curr)->next;
1937 if (rego->init != NULL)
1943 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1945 struct gdbarch_swap *curr;
1946 for (curr = gdbarch->swap;
1949 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1953 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1955 struct gdbarch_swap *curr;
1956 for (curr = gdbarch->swap;
1959 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1963 /* Keep a registry of the architectures known by GDB. */
1965 struct gdbarch_registration
1967 enum bfd_architecture bfd_architecture;
1968 gdbarch_init_ftype *init;
1969 gdbarch_dump_tdep_ftype *dump_tdep;
1970 struct gdbarch_list *arches;
1971 struct gdbarch_registration *next;
1974 static struct gdbarch_registration *gdbarch_registry = NULL;
1977 append_name (const char ***buf, int *nr, const char *name)
1979 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1985 gdbarch_printable_names (void)
1989 /* Accumulate a list of names based on the registed list of
1991 enum bfd_architecture a;
1993 const char **arches = NULL;
1994 struct gdbarch_registration *rego;
1995 for (rego = gdbarch_registry;
1999 const struct bfd_arch_info *ap;
2000 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2002 internal_error (__FILE__, __LINE__,
2003 "gdbarch_architecture_names: multi-arch unknown");
2006 append_name (&arches, &nr_arches, ap->printable_name);
2011 append_name (&arches, &nr_arches, NULL);
2015 /* Just return all the architectures that BFD knows. Assume that
2016 the legacy architecture framework supports them. */
2017 return bfd_arch_list ();
2022 gdbarch_register (enum bfd_architecture bfd_architecture,
2023 gdbarch_init_ftype *init,
2024 gdbarch_dump_tdep_ftype *dump_tdep)
2026 struct gdbarch_registration **curr;
2027 const struct bfd_arch_info *bfd_arch_info;
2028 /* Check that BFD recognizes this architecture */
2029 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2030 if (bfd_arch_info == NULL)
2032 internal_error (__FILE__, __LINE__,
2033 "gdbarch: Attempt to register unknown architecture (%d)",
2036 /* Check that we haven't seen this architecture before */
2037 for (curr = &gdbarch_registry;
2039 curr = &(*curr)->next)
2041 if (bfd_architecture == (*curr)->bfd_architecture)
2042 internal_error (__FILE__, __LINE__,
2043 "gdbarch: Duplicate registraration of architecture (%s)",
2044 bfd_arch_info->printable_name);
2048 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2049 bfd_arch_info->printable_name,
2052 (*curr) = XMALLOC (struct gdbarch_registration);
2053 (*curr)->bfd_architecture = bfd_architecture;
2054 (*curr)->init = init;
2055 (*curr)->dump_tdep = dump_tdep;
2056 (*curr)->arches = NULL;
2057 (*curr)->next = NULL;
2058 /* When non- multi-arch, install whatever target dump routine we've
2059 been provided - hopefully that routine has been written correctly
2060 and works regardless of multi-arch. */
2061 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2062 && startup_gdbarch.dump_tdep == NULL)
2063 startup_gdbarch.dump_tdep = dump_tdep;
2067 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2068 gdbarch_init_ftype *init)
2070 gdbarch_register (bfd_architecture, init, NULL);
2074 /* Look for an architecture using gdbarch_info. Base search on only
2075 BFD_ARCH_INFO and BYTE_ORDER. */
2077 struct gdbarch_list *
2078 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2079 const struct gdbarch_info *info)
2081 for (; arches != NULL; arches = arches->next)
2083 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2085 if (info->byte_order != arches->gdbarch->byte_order)
2093 /* Update the current architecture. Return ZERO if the update request
2097 gdbarch_update_p (struct gdbarch_info info)
2099 struct gdbarch *new_gdbarch;
2100 struct gdbarch *old_gdbarch;
2101 struct gdbarch_registration *rego;
2103 /* Fill in missing parts of the INFO struct using a number of
2104 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2106 /* \`\`(gdb) set architecture ...'' */
2107 if (info.bfd_arch_info == NULL
2108 && !TARGET_ARCHITECTURE_AUTO)
2109 info.bfd_arch_info = TARGET_ARCHITECTURE;
2110 if (info.bfd_arch_info == NULL
2111 && info.abfd != NULL
2112 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2113 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2114 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2115 if (info.bfd_arch_info == NULL)
2116 info.bfd_arch_info = TARGET_ARCHITECTURE;
2118 /* \`\`(gdb) set byte-order ...'' */
2119 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2120 && !TARGET_BYTE_ORDER_AUTO)
2121 info.byte_order = TARGET_BYTE_ORDER;
2122 /* From the INFO struct. */
2123 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2124 && info.abfd != NULL)
2125 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2126 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2127 : BFD_ENDIAN_UNKNOWN);
2128 /* From the current target. */
2129 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2130 info.byte_order = TARGET_BYTE_ORDER;
2132 /* Must have found some sort of architecture. */
2133 gdb_assert (info.bfd_arch_info != NULL);
2137 fprintf_unfiltered (gdb_stdlog,
2138 "gdbarch_update: info.bfd_arch_info %s\n",
2139 (info.bfd_arch_info != NULL
2140 ? info.bfd_arch_info->printable_name
2142 fprintf_unfiltered (gdb_stdlog,
2143 "gdbarch_update: info.byte_order %d (%s)\n",
2145 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2146 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2148 fprintf_unfiltered (gdb_stdlog,
2149 "gdbarch_update: info.abfd 0x%lx\n",
2151 fprintf_unfiltered (gdb_stdlog,
2152 "gdbarch_update: info.tdep_info 0x%lx\n",
2153 (long) info.tdep_info);
2156 /* Find the target that knows about this architecture. */
2157 for (rego = gdbarch_registry;
2160 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2165 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2169 /* Swap the data belonging to the old target out setting the
2170 installed data to zero. This stops the ->init() function trying
2171 to refer to the previous architecture's global data structures. */
2172 swapout_gdbarch_swap (current_gdbarch);
2173 clear_gdbarch_swap (current_gdbarch);
2175 /* Save the previously selected architecture, setting the global to
2176 NULL. This stops ->init() trying to use the previous
2177 architecture's configuration. The previous architecture may not
2178 even be of the same architecture family. The most recent
2179 architecture of the same family is found at the head of the
2180 rego->arches list. */
2181 old_gdbarch = current_gdbarch;
2182 current_gdbarch = NULL;
2184 /* Ask the target for a replacement architecture. */
2185 new_gdbarch = rego->init (info, rego->arches);
2187 /* Did the target like it? No. Reject the change and revert to the
2188 old architecture. */
2189 if (new_gdbarch == NULL)
2192 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2193 swapin_gdbarch_swap (old_gdbarch);
2194 current_gdbarch = old_gdbarch;
2198 /* Did the architecture change? No. Oops, put the old architecture
2200 if (old_gdbarch == new_gdbarch)
2203 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2205 new_gdbarch->bfd_arch_info->printable_name);
2206 swapin_gdbarch_swap (old_gdbarch);
2207 current_gdbarch = old_gdbarch;
2211 /* Is this a pre-existing architecture? Yes. Move it to the front
2212 of the list of architectures (keeping the list sorted Most
2213 Recently Used) and then copy it in. */
2215 struct gdbarch_list **list;
2216 for (list = ®o->arches;
2218 list = &(*list)->next)
2220 if ((*list)->gdbarch == new_gdbarch)
2222 struct gdbarch_list *this;
2224 fprintf_unfiltered (gdb_stdlog,
2225 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2227 new_gdbarch->bfd_arch_info->printable_name);
2230 (*list) = this->next;
2231 /* Insert in the front. */
2232 this->next = rego->arches;
2233 rego->arches = this;
2234 /* Copy the new architecture in. */
2235 current_gdbarch = new_gdbarch;
2236 swapin_gdbarch_swap (new_gdbarch);
2237 architecture_changed_event ();
2243 /* Prepend this new architecture to the architecture list (keep the
2244 list sorted Most Recently Used). */
2246 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2247 this->next = rego->arches;
2248 this->gdbarch = new_gdbarch;
2249 rego->arches = this;
2252 /* Switch to this new architecture marking it initialized. */
2253 current_gdbarch = new_gdbarch;
2254 current_gdbarch->initialized_p = 1;
2257 fprintf_unfiltered (gdb_stdlog,
2258 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2260 new_gdbarch->bfd_arch_info->printable_name);
2263 /* Check that the newly installed architecture is valid. Plug in
2264 any post init values. */
2265 new_gdbarch->dump_tdep = rego->dump_tdep;
2266 verify_gdbarch (new_gdbarch);
2268 /* Initialize the per-architecture memory (swap) areas.
2269 CURRENT_GDBARCH must be update before these modules are
2271 init_gdbarch_swap (new_gdbarch);
2273 /* Initialize the per-architecture data. CURRENT_GDBARCH
2274 must be updated before these modules are called. */
2275 architecture_changed_event ();
2278 gdbarch_dump (current_gdbarch, gdb_stdlog);
2286 /* Pointer to the target-dependent disassembly function. */
2287 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2288 disassemble_info tm_print_insn_info;
2291 extern void _initialize_gdbarch (void);
2294 _initialize_gdbarch (void)
2296 struct cmd_list_element *c;
2298 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2299 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2300 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2301 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2302 tm_print_insn_info.print_address_func = dis_asm_print_address;
2304 add_show_from_set (add_set_cmd ("arch",
2307 (char *)&gdbarch_debug,
2308 "Set architecture debugging.\\n\\
2309 When non-zero, architecture debugging is enabled.", &setdebuglist),
2311 c = add_set_cmd ("archdebug",
2314 (char *)&gdbarch_debug,
2315 "Set architecture debugging.\\n\\
2316 When non-zero, architecture debugging is enabled.", &setlist);
2318 deprecate_cmd (c, "set debug arch");
2319 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2325 #../move-if-change new-gdbarch.c gdbarch.c
2326 compare_new gdbarch.c