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
32 echo "${file} missing? cp new-${file} ${file}" 1>&2
33 elif diff -u ${file} new-
${file}
35 echo "${file} unchanged" 1>&2
37 echo "${file} has changed? cp new-${file} ${file}" 1>&2
42 # Format of the input table
43 read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
51 if test "${line}" = ""
54 elif test "${line}" = "#" -a "${comment}" = ""
57 elif expr "${line}" : "#" > /dev
/null
63 # The semantics of IFS varies between different SH's. Some
64 # treat ``::' as three fields while some treat it as just too.
65 # Work around this by eliminating ``::'' ....
66 line
="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
68 OFS
="${IFS}" ; IFS
="[:]"
69 eval read ${read} <<EOF
74 # .... and then going back through each field and strip out those
75 # that ended up with just that space character.
78 if eval test \"\
${${r}}\" = \"\
\"
85 1 ) gt_level
=">= GDB_MULTI_ARCH_PARTIAL" ;;
86 2 ) gt_level
="> GDB_MULTI_ARCH_PARTIAL" ;;
88 * ) error
"Error: bad level for ${function}" 1>&2 ; kill $$
; exit 1 ;;
92 m
) staticdefault
="${predefault}" ;;
93 M
) staticdefault
="0" ;;
94 * ) test "${staticdefault}" || staticdefault
=0 ;;
96 # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
97 # multi-arch defaults.
98 # test "${predefault}" || predefault=0
100 # come up with a format, use a few guesses for variables
101 case ":${class}:${fmt}:${print}:" in
103 if [ "${returntype}" = int
]
107 elif [ "${returntype}" = long
]
114 test "${fmt}" ||
fmt="%ld"
115 test "${print}" || print
="(long) ${macro}"
117 case "${invalid_p}" in
120 if [ -n "${predefault}" ]
122 #invalid_p="gdbarch->${function} == ${predefault}"
123 valid_p
="gdbarch->${function} != ${predefault}"
125 #invalid_p="gdbarch->${function} == 0"
126 valid_p
="gdbarch->${function} != 0"
129 * ) valid_p
="!(${invalid_p})"
132 # PREDEFAULT is a valid fallback definition of MEMBER when
133 # multi-arch is not enabled. This ensures that the
134 # default value, when multi-arch is the same as the
135 # default value when not multi-arch. POSTDEFAULT is
136 # always a valid definition of MEMBER as this again
137 # ensures consistency.
139 if [ -n "${postdefault}" ]
141 fallbackdefault
="${postdefault}"
142 elif [ -n "${predefault}" ]
144 fallbackdefault
="${predefault}"
149 #NOT YET: See gdbarch.log for basic verification of
164 fallback_default_p
()
166 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
167 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
170 class_is_variable_p
()
178 class_is_function_p
()
181 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
186 class_is_multiarch_p
()
194 class_is_predicate_p
()
197 *F
* |
*V
* |
*M
* ) true
;;
211 # dump out/verify the doco
221 # F -> function + predicate
222 # hiding a function + predicate to test function validity
225 # V -> variable + predicate
226 # hiding a variable + predicate to test variables validity
228 # hiding something from the ``struct info'' object
229 # m -> multi-arch function
230 # hiding a multi-arch function (parameterised with the architecture)
231 # M -> multi-arch function + predicate
232 # hiding a multi-arch function + predicate to test function validity
236 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
237 # LEVEL is a predicate on checking that a given method is
238 # initialized (using INVALID_P).
242 # The name of the MACRO that this method is to be accessed by.
246 # For functions, the return type; for variables, the data type
250 # For functions, the member function name; for variables, the
251 # variable name. Member function names are always prefixed with
252 # ``gdbarch_'' for name-space purity.
256 # The formal argument list. It is assumed that the formal
257 # argument list includes the actual name of each list element.
258 # A function with no arguments shall have ``void'' as the
259 # formal argument list.
263 # The list of actual arguments. The arguments specified shall
264 # match the FORMAL list given above. Functions with out
265 # arguments leave this blank.
269 # Any GCC attributes that should be attached to the function
270 # declaration. At present this field is unused.
274 # To help with the GDB startup a static gdbarch object is
275 # created. STATICDEFAULT is the value to insert into that
276 # static gdbarch object. Since this a static object only
277 # simple expressions can be used.
279 # If STATICDEFAULT is empty, zero is used.
283 # An initial value to assign to MEMBER of the freshly
284 # malloc()ed gdbarch object. After initialization, the
285 # freshly malloc()ed object is passed to the target
286 # architecture code for further updates.
288 # If PREDEFAULT is empty, zero is used.
290 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
291 # INVALID_P are specified, PREDEFAULT will be used as the
292 # default for the non- multi-arch target.
294 # A zero PREDEFAULT function will force the fallback to call
297 # Variable declarations can refer to ``gdbarch'' which will
298 # contain the current architecture. Care should be taken.
302 # A value to assign to MEMBER of the new gdbarch object should
303 # the target architecture code fail to change the PREDEFAULT
306 # If POSTDEFAULT is empty, no post update is performed.
308 # If both INVALID_P and POSTDEFAULT are non-empty then
309 # INVALID_P will be used to determine if MEMBER should be
310 # changed to POSTDEFAULT.
312 # If a non-empty POSTDEFAULT and a zero INVALID_P are
313 # specified, POSTDEFAULT will be used as the default for the
314 # non- multi-arch target (regardless of the value of
317 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
319 # Variable declarations can refer to ``gdbarch'' which will
320 # contain the current architecture. Care should be taken.
324 # A predicate equation that validates MEMBER. Non-zero is
325 # returned if the code creating the new architecture failed to
326 # initialize MEMBER or the initialized the member is invalid.
327 # If POSTDEFAULT is non-empty then MEMBER will be updated to
328 # that value. If POSTDEFAULT is empty then internal_error()
331 # If INVALID_P is empty, a check that MEMBER is no longer
332 # equal to PREDEFAULT is used.
334 # The expression ``0'' disables the INVALID_P check making
335 # PREDEFAULT a legitimate value.
337 # See also PREDEFAULT and POSTDEFAULT.
341 # printf style format string that can be used to print out the
342 # MEMBER. Sometimes "%s" is useful. For functions, this is
343 # ignored and the function address is printed.
345 # If FMT is empty, ``%ld'' is used.
349 # An optional equation that casts MEMBER to a value suitable
350 # for formatting by FMT.
352 # If PRINT is empty, ``(long)'' is used.
356 # An optional indicator for any predicte to wrap around the
359 # () -> Call a custom function to do the dump.
360 # exp -> Wrap print up in ``if (${print_p}) ...
361 # ``'' -> No predicate
363 # If PRINT_P is empty, ``1'' is always used.
370 echo "Bad field ${field}"
378 # See below (DOCO) for description of each field
380 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
382 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
383 # Number of bits in a char or unsigned char for the target machine.
384 # Just like CHAR_BIT in <limits.h> but describes the target machine.
385 # v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
387 # Number of bits in a short or unsigned short for the target machine.
388 v::TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
389 # Number of bits in an int or unsigned int for the target machine.
390 v::TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
391 # Number of bits in a long or unsigned long for the target machine.
392 v::TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
393 # Number of bits in a long long or unsigned long long for the target
395 v::TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
396 # Number of bits in a float for the target machine.
397 v::TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
398 # Number of bits in a double for the target machine.
399 v::TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
400 # Number of bits in a long double for the target machine.
401 v::TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
402 # For most targets, a pointer on the target and its representation as an
403 # address in GDB have the same size and "look the same". For such a
404 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
405 # / addr_bit will be set from it.
407 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
408 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
410 # ptr_bit is the size of a pointer on the target
411 v::TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
412 # addr_bit is the size of a target address as represented in gdb
413 v::TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
414 # Number of bits in a BFD_VMA for the target object file format.
415 v::TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
417 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
418 v::TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
420 f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
421 f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
422 f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
423 f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
424 f::TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
425 # Function for getting target's idea of a frame pointer. FIXME: GDB's
426 # whole scheme for dealing with "frames" and "frame pointers" needs a
428 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
430 M:::void:register_read:int regnum, char *buf:regnum, buf:
431 M:::void:register_write:int regnum, char *buf:regnum, buf:
433 v:2:NUM_REGS:int:num_regs::::0:-1
434 # This macro gives the number of pseudo-registers that live in the
435 # register namespace but do not get fetched or stored on the target.
436 # These pseudo-registers may be aliases for other registers,
437 # combinations of other registers, or they may be computed by GDB.
438 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
440 # GDB's standard (or well known) register numbers. These can map onto
441 # a real register or a pseudo (computed) register or not be defined at
443 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
444 v:2:FP_REGNUM:int:fp_regnum::::-1:-1::0
445 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
446 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
447 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
448 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
449 v:2:NNPC_REGNUM:int:nnpc_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: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_raw_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_virtual_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 f:2:PRINT_FLOAT_INFO:void:print_float_info:void::::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:::default_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 # GET_SAVED_REGISTER is like DUMMY_FRAMES. It is at level one as the
509 # old code has strange #ifdef interaction. So far no one has found
510 # that default_get_saved_register() is the default they are after.
511 f:1: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_get_saved_register:0
513 f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
514 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
515 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
516 # This function is called when the value of a pseudo-register needs to
517 # be updated. Typically it will be defined on a per-architecture
519 F:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:
520 # This function is called when the value of a pseudo-register needs to
521 # be set or stored. Typically it will be defined on a
522 # per-architecture basis.
523 F:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:
525 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, void *buf:type, buf:::unsigned_pointer_to_address::0
526 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
527 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
529 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
530 f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0
531 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
532 f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0
533 F:2:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
534 f:2:POP_FRAME:void:pop_frame:void:-:::0
536 f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
537 f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, char *valbuf:type, valbuf:::0
538 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:char *regbuf:regbuf:::0
539 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
541 f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0
542 F:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
544 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
545 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
546 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
547 f:2:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
548 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
549 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
550 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
551 f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
552 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
554 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
556 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
557 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
558 f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
559 # Define a default FRAME_CHAIN_VALID, in the form that is suitable for
560 # most targets. If FRAME_CHAIN_VALID returns zero it means that the
561 # given frame is the outermost one and has no caller.
563 # XXXX - both default and alternate frame_chain_valid functions are
564 # deprecated. New code should use dummy frames and one of the generic
566 f:2:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe:::func_frame_chain_valid::0
567 f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
568 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0
569 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:0
570 f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
571 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
573 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
574 v:2:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
575 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
576 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
577 v:2:PARM_BOUNDARY:int:parm_boundary
579 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)
580 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)
581 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)
582 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
583 # On some machines there are bits in addresses which are not really
584 # part of the address, but are used by the kernel, the hardware, etc.
585 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
586 # we get a "real" address such as one would find in a symbol table.
587 # This is used only for addresses of instructions, and even then I'm
588 # not sure it's used in all contexts. It exists to deal with there
589 # being a few stray bits in the PC which would mislead us, not as some
590 # sort of generic thing to handle alignment or segmentation (it's
591 # possible it should be in TARGET_READ_PC instead).
592 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
593 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
595 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
596 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
597 # the target needs software single step. An ISA method to implement it.
599 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
600 # using the breakpoint system instead of blatting memory directly (as with rs6000).
602 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
603 # single step. If not, then implement single step using breakpoints.
604 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
605 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
606 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
607 # For SVR4 shared libraries, each call goes through a small piece of
608 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
609 # to nonzero if we are current stopped in one of these.
610 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
611 # Sigtramp is a routine that the kernel calls (which then calls the
612 # signal handler). On most machines it is a library routine that is
613 # linked into the executable.
615 # This macro, given a program counter value and the name of the
616 # function in which that PC resides (which can be null if the name is
617 # not known), returns nonzero if the PC and name show that we are in
620 # On most machines just see if the name is sigtramp (and if we have
621 # no name, assume we are not in sigtramp).
623 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
624 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
625 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
626 # own local NAME lookup.
628 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
629 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
631 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
632 # A target might have problems with watchpoints as soon as the stack
633 # frame of the current function has been destroyed. This mostly happens
634 # as the first action in a funtion's epilogue. in_function_epilogue_p()
635 # is defined to return a non-zero value if either the given addr is one
636 # instruction after the stack destroying instruction up to the trailing
637 # return instruction or if we can figure out that the stack frame has
638 # already been invalidated regardless of the value of addr. Targets
639 # which don't suffer from that problem could just let this functionality
641 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
642 # Given a vector of command-line arguments, return a newly allocated
643 # string which, when passed to the create_inferior function, will be
644 # parsed (on Unix systems, by the shell) to yield the same vector.
645 # This function should call error() if the argument vector is not
646 # representable for this target or if this target does not support
647 # command-line arguments.
648 # ARGC is the number of elements in the vector.
649 # ARGV is an array of strings, one per argument.
650 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
651 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
652 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
653 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
660 exec > new-gdbarch.log
661 function_list |
while do_read
664 ${class} ${macro}(${actual})
665 ${returntype} ${function} ($formal)${attrib}
669 eval echo \"\ \ \ \
${r}=\
${${r}}\"
671 # #fallbackdefault=${fallbackdefault}
672 # #valid_p=${valid_p}
674 if class_is_predicate_p
&& fallback_default_p
676 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
680 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
682 echo "Error: postdefault is useless when invalid_p=0" 1>&2
686 if class_is_multiarch_p
688 if class_is_predicate_p
; then :
689 elif test "x${predefault}" = "x"
691 echo "Error: pure multi-arch function must have a predefault" 1>&2
700 compare_new gdbarch.log
706 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
708 /* Dynamic architecture support for GDB, the GNU debugger.
709 Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
711 This file is part of GDB.
713 This program is free software; you can redistribute it and/or modify
714 it under the terms of the GNU General Public License as published by
715 the Free Software Foundation; either version 2 of the License, or
716 (at your option) any later version.
718 This program is distributed in the hope that it will be useful,
719 but WITHOUT ANY WARRANTY; without even the implied warranty of
720 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
721 GNU General Public License for more details.
723 You should have received a copy of the GNU General Public License
724 along with this program; if not, write to the Free Software
725 Foundation, Inc., 59 Temple Place - Suite 330,
726 Boston, MA 02111-1307, USA. */
728 /* This file was created with the aid of \`\`gdbarch.sh''.
730 The Bourne shell script \`\`gdbarch.sh'' creates the files
731 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
732 against the existing \`\`gdbarch.[hc]''. Any differences found
735 If editing this file, please also run gdbarch.sh and merge any
736 changes into that script. Conversely, when making sweeping changes
737 to this file, modifying gdbarch.sh and using its output may prove
753 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
755 /* Pull in function declarations refered to, indirectly, via macros. */
756 #include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */
757 #include "inferior.h" /* For unsigned_address_to_pointer(). */
763 struct minimal_symbol;
765 extern struct gdbarch *current_gdbarch;
768 /* If any of the following are defined, the target wasn't correctly
772 #if defined (EXTRA_FRAME_INFO)
773 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
778 #if defined (FRAME_FIND_SAVED_REGS)
779 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
783 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
784 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
791 printf "/* The following are pre-initialized by GDBARCH. */\n"
792 function_list |
while do_read
797 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
798 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
799 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
800 printf "#error \"Non multi-arch definition of ${macro}\"\n"
802 printf "#if GDB_MULTI_ARCH\n"
803 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
804 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
813 printf "/* The following are initialized by the target dependent code. */\n"
814 function_list |
while do_read
816 if [ -n "${comment}" ]
818 echo "${comment}" |
sed \
823 if class_is_multiarch_p
825 if class_is_predicate_p
828 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
831 if class_is_predicate_p
834 printf "#if defined (${macro})\n"
835 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
836 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
837 printf "#if !defined (${macro}_P)\n"
838 printf "#define ${macro}_P() (1)\n"
842 printf "/* Default predicate for non- multi-arch targets. */\n"
843 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
844 printf "#define ${macro}_P() (0)\n"
847 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
848 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
849 printf "#error \"Non multi-arch definition of ${macro}\"\n"
851 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
852 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
856 if class_is_variable_p
858 if fallback_default_p || class_is_predicate_p
861 printf "/* Default (value) for non- multi-arch platforms. */\n"
862 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
863 echo "#define ${macro} (${fallbackdefault})" \
864 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
868 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
869 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
870 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
871 printf "#error \"Non multi-arch definition of ${macro}\"\n"
873 printf "#if GDB_MULTI_ARCH\n"
874 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
875 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
879 if class_is_function_p
881 if class_is_multiarch_p
; then :
882 elif fallback_default_p || class_is_predicate_p
885 printf "/* Default (function) for non- multi-arch platforms. */\n"
886 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
887 if [ "x${fallbackdefault}" = "x0" ]
889 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
891 # FIXME: Should be passing current_gdbarch through!
892 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
893 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
898 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
900 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
901 elif class_is_multiarch_p
903 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
905 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
907 if [ "x${formal}" = "xvoid" ]
909 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
911 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
913 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
914 if class_is_multiarch_p
; then :
916 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
917 printf "#error \"Non multi-arch definition of ${macro}\"\n"
919 printf "#if GDB_MULTI_ARCH\n"
920 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
921 if [ "x${actual}" = "x" ]
923 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
924 elif [ "x${actual}" = "x-" ]
926 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
928 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
939 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
942 /* Mechanism for co-ordinating the selection of a specific
945 GDB targets (*-tdep.c) can register an interest in a specific
946 architecture. Other GDB components can register a need to maintain
947 per-architecture data.
949 The mechanisms below ensures that there is only a loose connection
950 between the set-architecture command and the various GDB
951 components. Each component can independently register their need
952 to maintain architecture specific data with gdbarch.
956 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
959 The more traditional mega-struct containing architecture specific
960 data for all the various GDB components was also considered. Since
961 GDB is built from a variable number of (fairly independent)
962 components it was determined that the global aproach was not
966 /* Register a new architectural family with GDB.
968 Register support for the specified ARCHITECTURE with GDB. When
969 gdbarch determines that the specified architecture has been
970 selected, the corresponding INIT function is called.
974 The INIT function takes two parameters: INFO which contains the
975 information available to gdbarch about the (possibly new)
976 architecture; ARCHES which is a list of the previously created
977 \`\`struct gdbarch'' for this architecture.
979 The INFO parameter is, as far as possible, be pre-initialized with
980 information obtained from INFO.ABFD or the previously selected
983 The ARCHES parameter is a linked list (sorted most recently used)
984 of all the previously created architures for this architecture
985 family. The (possibly NULL) ARCHES->gdbarch can used to access
986 values from the previously selected architecture for this
987 architecture family. The global \`\`current_gdbarch'' shall not be
990 The INIT function shall return any of: NULL - indicating that it
991 doesn't recognize the selected architecture; an existing \`\`struct
992 gdbarch'' from the ARCHES list - indicating that the new
993 architecture is just a synonym for an earlier architecture (see
994 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
995 - that describes the selected architecture (see gdbarch_alloc()).
997 The DUMP_TDEP function shall print out all target specific values.
998 Care should be taken to ensure that the function works in both the
999 multi-arch and non- multi-arch cases. */
1003 struct gdbarch *gdbarch;
1004 struct gdbarch_list *next;
1009 /* Use default: NULL (ZERO). */
1010 const struct bfd_arch_info *bfd_arch_info;
1012 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1015 /* Use default: NULL (ZERO). */
1018 /* Use default: NULL (ZERO). */
1019 struct gdbarch_tdep_info *tdep_info;
1022 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1023 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1025 /* DEPRECATED - use gdbarch_register() */
1026 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1028 extern void gdbarch_register (enum bfd_architecture architecture,
1029 gdbarch_init_ftype *,
1030 gdbarch_dump_tdep_ftype *);
1033 /* Return a freshly allocated, NULL terminated, array of the valid
1034 architecture names. Since architectures are registered during the
1035 _initialize phase this function only returns useful information
1036 once initialization has been completed. */
1038 extern const char **gdbarch_printable_names (void);
1041 /* Helper function. Search the list of ARCHES for a GDBARCH that
1042 matches the information provided by INFO. */
1044 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1047 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1048 basic initialization using values obtained from the INFO andTDEP
1049 parameters. set_gdbarch_*() functions are called to complete the
1050 initialization of the object. */
1052 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1055 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1056 It is assumed that the caller freeds the \`\`struct
1059 extern void gdbarch_free (struct gdbarch *);
1062 /* Helper function. Force an update of the current architecture.
1064 The actual architecture selected is determined by INFO, \`\`(gdb) set
1065 architecture'' et.al., the existing architecture and BFD's default
1066 architecture. INFO should be initialized to zero and then selected
1067 fields should be updated.
1069 Returns non-zero if the update succeeds */
1071 extern int gdbarch_update_p (struct gdbarch_info info);
1075 /* Register per-architecture data-pointer.
1077 Reserve space for a per-architecture data-pointer. An identifier
1078 for the reserved data-pointer is returned. That identifer should
1079 be saved in a local static variable.
1081 The per-architecture data-pointer can be initialized in one of two
1082 ways: The value can be set explicitly using a call to
1083 set_gdbarch_data(); the value can be set implicitly using the value
1084 returned by a non-NULL INIT() callback. INIT(), when non-NULL is
1085 called after the basic architecture vector has been created.
1087 When a previously created architecture is re-selected, the
1088 per-architecture data-pointer for that previous architecture is
1089 restored. INIT() is not called.
1091 During initialization, multiple assignments of the data-pointer are
1092 allowed, non-NULL values are deleted by calling FREE(). If the
1093 architecture is deleted using gdbarch_free() all non-NULL data
1094 pointers are also deleted using FREE().
1096 Multiple registrarants for any architecture are allowed (and
1097 strongly encouraged). */
1099 struct gdbarch_data;
1101 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1102 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1104 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1105 gdbarch_data_free_ftype *free);
1106 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1107 struct gdbarch_data *data,
1110 extern void *gdbarch_data (struct gdbarch_data*);
1113 /* Register per-architecture memory region.
1115 Provide a memory-region swap mechanism. Per-architecture memory
1116 region are created. These memory regions are swapped whenever the
1117 architecture is changed. For a new architecture, the memory region
1118 is initialized with zero (0) and the INIT function is called.
1120 Memory regions are swapped / initialized in the order that they are
1121 registered. NULL DATA and/or INIT values can be specified.
1123 New code should use register_gdbarch_data(). */
1125 typedef void (gdbarch_swap_ftype) (void);
1126 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1127 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1131 /* The target-system-dependent byte order is dynamic */
1133 extern int target_byte_order;
1134 #ifndef TARGET_BYTE_ORDER
1135 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1138 extern int target_byte_order_auto;
1139 #ifndef TARGET_BYTE_ORDER_AUTO
1140 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1145 /* The target-system-dependent BFD architecture is dynamic */
1147 extern int target_architecture_auto;
1148 #ifndef TARGET_ARCHITECTURE_AUTO
1149 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1152 extern const struct bfd_arch_info *target_architecture;
1153 #ifndef TARGET_ARCHITECTURE
1154 #define TARGET_ARCHITECTURE (target_architecture + 0)
1158 /* The target-system-dependent disassembler is semi-dynamic */
1160 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1161 unsigned int len, disassemble_info *info);
1163 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1164 disassemble_info *info);
1166 extern void dis_asm_print_address (bfd_vma addr,
1167 disassemble_info *info);
1169 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1170 extern disassemble_info tm_print_insn_info;
1171 #ifndef TARGET_PRINT_INSN_INFO
1172 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1177 /* Set the dynamic target-system-dependent parameters (architecture,
1178 byte-order, ...) using information found in the BFD */
1180 extern void set_gdbarch_from_file (bfd *);
1183 /* Initialize the current architecture to the "first" one we find on
1186 extern void initialize_current_architecture (void);
1188 /* For non-multiarched targets, do any initialization of the default
1189 gdbarch object necessary after the _initialize_MODULE functions
1191 extern void initialize_non_multiarch ();
1193 /* gdbarch trace variable */
1194 extern int gdbarch_debug;
1196 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1201 #../move-if-change new-gdbarch.h gdbarch.h
1202 compare_new gdbarch.h
1209 exec > new-gdbarch.c
1214 #include "arch-utils.h"
1218 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1220 /* Just include everything in sight so that the every old definition
1221 of macro is visible. */
1222 #include "gdb_string.h"
1226 #include "inferior.h"
1227 #include "breakpoint.h"
1228 #include "gdb_wait.h"
1229 #include "gdbcore.h"
1232 #include "gdbthread.h"
1233 #include "annotate.h"
1234 #include "symfile.h" /* for overlay functions */
1235 #include "value.h" /* For old tm.h/nm.h macros. */
1239 #include "floatformat.h"
1241 #include "gdb_assert.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 init_gdbarch_data (struct gdbarch *);
1249 static void free_gdbarch_data (struct gdbarch *);
1250 static void init_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 " /* basic architectural information */\n"
1270 function_list |
while do_read
1274 printf " ${returntype} ${function};\n"
1278 printf " /* target specific vector. */\n"
1279 printf " struct gdbarch_tdep *tdep;\n"
1280 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1282 printf " /* per-architecture data-pointers */\n"
1283 printf " unsigned nr_data;\n"
1284 printf " void **data;\n"
1286 printf " /* per-architecture swap-regions */\n"
1287 printf " struct gdbarch_swap *swap;\n"
1290 /* Multi-arch values.
1292 When extending this structure you must:
1294 Add the field below.
1296 Declare set/get functions and define the corresponding
1299 gdbarch_alloc(): If zero/NULL is not a suitable default,
1300 initialize the new field.
1302 verify_gdbarch(): Confirm that the target updated the field
1305 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1308 \`\`startup_gdbarch()'': Append an initial value to the static
1309 variable (base values on the host's c-type system).
1311 get_gdbarch(): Implement the set/get functions (probably using
1312 the macro's as shortcuts).
1317 function_list |
while do_read
1319 if class_is_variable_p
1321 printf " ${returntype} ${function};\n"
1322 elif class_is_function_p
1324 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1329 # A pre-initialized vector
1333 /* The default architecture uses host values (for want of a better
1337 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1339 printf "struct gdbarch startup_gdbarch =\n"
1341 printf " /* basic architecture information */\n"
1342 function_list |
while do_read
1346 printf " ${staticdefault},\n"
1350 /* target specific vector and its dump routine */
1352 /*per-architecture data-pointers and swap regions */
1354 /* Multi-arch values */
1356 function_list |
while do_read
1358 if class_is_function_p || class_is_variable_p
1360 printf " ${staticdefault},\n"
1364 /* startup_gdbarch() */
1367 struct gdbarch *current_gdbarch = &startup_gdbarch;
1369 /* Do any initialization needed for a non-multiarch configuration
1370 after the _initialize_MODULE functions have been run. */
1372 initialize_non_multiarch ()
1374 alloc_gdbarch_data (&startup_gdbarch);
1375 init_gdbarch_swap (&startup_gdbarch);
1376 init_gdbarch_data (&startup_gdbarch);
1380 # Create a new gdbarch struct
1384 /* Create a new \`\`struct gdbarch'' based on information provided by
1385 \`\`struct gdbarch_info''. */
1390 gdbarch_alloc (const struct gdbarch_info *info,
1391 struct gdbarch_tdep *tdep)
1393 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1394 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1395 the current local architecture and not the previous global
1396 architecture. This ensures that the new architectures initial
1397 values are not influenced by the previous architecture. Once
1398 everything is parameterised with gdbarch, this will go away. */
1399 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1400 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1402 alloc_gdbarch_data (current_gdbarch);
1404 current_gdbarch->tdep = tdep;
1407 function_list |
while do_read
1411 printf " current_gdbarch->${function} = info->${function};\n"
1415 printf " /* Force the explicit initialization of these. */\n"
1416 function_list |
while do_read
1418 if class_is_function_p || class_is_variable_p
1420 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1422 printf " current_gdbarch->${function} = ${predefault};\n"
1427 /* gdbarch_alloc() */
1429 return current_gdbarch;
1433 # Free a gdbarch struct.
1437 /* Free a gdbarch struct. This should never happen in normal
1438 operation --- once you've created a gdbarch, you keep it around.
1439 However, if an architecture's init function encounters an error
1440 building the structure, it may need to clean up a partially
1441 constructed gdbarch. */
1444 gdbarch_free (struct gdbarch *arch)
1446 gdb_assert (arch != NULL);
1447 free_gdbarch_data (arch);
1452 # verify a new architecture
1455 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1459 verify_gdbarch (struct gdbarch *gdbarch)
1461 struct ui_file *log;
1462 struct cleanup *cleanups;
1465 /* Only perform sanity checks on a multi-arch target. */
1466 if (!GDB_MULTI_ARCH)
1468 log = mem_fileopen ();
1469 cleanups = make_cleanup_ui_file_delete (log);
1471 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1472 fprintf_unfiltered (log, "\n\tbyte-order");
1473 if (gdbarch->bfd_arch_info == NULL)
1474 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1475 /* Check those that need to be defined for the given multi-arch level. */
1477 function_list |
while do_read
1479 if class_is_function_p || class_is_variable_p
1481 if [ "x${invalid_p}" = "x0" ]
1483 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1484 elif class_is_predicate_p
1486 printf " /* Skip verify of ${function}, has predicate */\n"
1487 # FIXME: See do_read for potential simplification
1488 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1490 printf " if (${invalid_p})\n"
1491 printf " gdbarch->${function} = ${postdefault};\n"
1492 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1494 printf " if (gdbarch->${function} == ${predefault})\n"
1495 printf " gdbarch->${function} = ${postdefault};\n"
1496 elif [ -n "${postdefault}" ]
1498 printf " if (gdbarch->${function} == 0)\n"
1499 printf " gdbarch->${function} = ${postdefault};\n"
1500 elif [ -n "${invalid_p}" ]
1502 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1503 printf " && (${invalid_p}))\n"
1504 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1505 elif [ -n "${predefault}" ]
1507 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1508 printf " && (gdbarch->${function} == ${predefault}))\n"
1509 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1514 buf = ui_file_xstrdup (log, &dummy);
1515 make_cleanup (xfree, buf);
1516 if (strlen (buf) > 0)
1517 internal_error (__FILE__, __LINE__,
1518 "verify_gdbarch: the following are invalid ...%s",
1520 do_cleanups (cleanups);
1524 # dump the structure
1528 /* Print out the details of the current architecture. */
1530 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1531 just happens to match the global variable \`\`current_gdbarch''. That
1532 way macros refering to that variable get the local and not the global
1533 version - ulgh. Once everything is parameterised with gdbarch, this
1537 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1539 fprintf_unfiltered (file,
1540 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1543 function_list |
sort -t: +2 |
while do_read
1545 # multiarch functions don't have macros.
1546 if class_is_multiarch_p
1548 printf " if (GDB_MULTI_ARCH)\n"
1549 printf " fprintf_unfiltered (file,\n"
1550 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1551 printf " (long) current_gdbarch->${function});\n"
1554 # Print the macro definition.
1555 printf "#ifdef ${macro}\n"
1556 if [ "x${returntype}" = "xvoid" ]
1558 printf "#if GDB_MULTI_ARCH\n"
1559 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1561 if class_is_function_p
1563 printf " fprintf_unfiltered (file,\n"
1564 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1565 printf " \"${macro}(${actual})\",\n"
1566 printf " XSTRING (${macro} (${actual})));\n"
1568 printf " fprintf_unfiltered (file,\n"
1569 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1570 printf " XSTRING (${macro}));\n"
1572 # Print the architecture vector value
1573 if [ "x${returntype}" = "xvoid" ]
1577 if [ "x${print_p}" = "x()" ]
1579 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1580 elif [ "x${print_p}" = "x0" ]
1582 printf " /* skip print of ${macro}, print_p == 0. */\n"
1583 elif [ -n "${print_p}" ]
1585 printf " if (${print_p})\n"
1586 printf " fprintf_unfiltered (file,\n"
1587 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1588 printf " ${print});\n"
1589 elif class_is_function_p
1591 printf " if (GDB_MULTI_ARCH)\n"
1592 printf " fprintf_unfiltered (file,\n"
1593 printf " \"gdbarch_dump: ${macro} = 0x%%08lx\\\\n\",\n"
1594 printf " (long) current_gdbarch->${function}\n"
1595 printf " /*${macro} ()*/);\n"
1597 printf " fprintf_unfiltered (file,\n"
1598 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1599 printf " ${print});\n"
1604 if (current_gdbarch->dump_tdep != NULL)
1605 current_gdbarch->dump_tdep (current_gdbarch, file);
1613 struct gdbarch_tdep *
1614 gdbarch_tdep (struct gdbarch *gdbarch)
1616 if (gdbarch_debug >= 2)
1617 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1618 return gdbarch->tdep;
1622 function_list |
while do_read
1624 if class_is_predicate_p
1628 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1630 if [ -n "${valid_p}" ]
1632 printf " return ${valid_p};\n"
1634 printf "#error \"gdbarch_${function}_p: not defined\"\n"
1638 if class_is_function_p
1641 printf "${returntype}\n"
1642 if [ "x${formal}" = "xvoid" ]
1644 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1646 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1649 printf " if (gdbarch->${function} == 0)\n"
1650 printf " internal_error (__FILE__, __LINE__,\n"
1651 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1652 printf " if (gdbarch_debug >= 2)\n"
1653 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1654 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1656 if class_is_multiarch_p
1663 if class_is_multiarch_p
1665 params
="gdbarch, ${actual}"
1670 if [ "x${returntype}" = "xvoid" ]
1672 printf " gdbarch->${function} (${params});\n"
1674 printf " return gdbarch->${function} (${params});\n"
1679 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1680 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1682 printf " gdbarch->${function} = ${function};\n"
1684 elif class_is_variable_p
1687 printf "${returntype}\n"
1688 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1690 if [ "x${invalid_p}" = "x0" ]
1692 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1693 elif [ -n "${invalid_p}" ]
1695 printf " if (${invalid_p})\n"
1696 printf " internal_error (__FILE__, __LINE__,\n"
1697 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1698 elif [ -n "${predefault}" ]
1700 printf " if (gdbarch->${function} == ${predefault})\n"
1701 printf " internal_error (__FILE__, __LINE__,\n"
1702 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1704 printf " if (gdbarch_debug >= 2)\n"
1705 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1706 printf " return gdbarch->${function};\n"
1710 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1711 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1713 printf " gdbarch->${function} = ${function};\n"
1715 elif class_is_info_p
1718 printf "${returntype}\n"
1719 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1721 printf " if (gdbarch_debug >= 2)\n"
1722 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1723 printf " return gdbarch->${function};\n"
1728 # All the trailing guff
1732 /* Keep a registry of per-architecture data-pointers required by GDB
1738 gdbarch_data_init_ftype *init;
1739 gdbarch_data_free_ftype *free;
1742 struct gdbarch_data_registration
1744 struct gdbarch_data *data;
1745 struct gdbarch_data_registration *next;
1748 struct gdbarch_data_registry
1751 struct gdbarch_data_registration *registrations;
1754 struct gdbarch_data_registry gdbarch_data_registry =
1759 struct gdbarch_data *
1760 register_gdbarch_data (gdbarch_data_init_ftype *init,
1761 gdbarch_data_free_ftype *free)
1763 struct gdbarch_data_registration **curr;
1764 for (curr = &gdbarch_data_registry.registrations;
1766 curr = &(*curr)->next);
1767 (*curr) = XMALLOC (struct gdbarch_data_registration);
1768 (*curr)->next = NULL;
1769 (*curr)->data = XMALLOC (struct gdbarch_data);
1770 (*curr)->data->index = gdbarch_data_registry.nr++;
1771 (*curr)->data->init = init;
1772 (*curr)->data->free = free;
1773 return (*curr)->data;
1777 /* Walk through all the registered users initializing each in turn. */
1780 init_gdbarch_data (struct gdbarch *gdbarch)
1782 struct gdbarch_data_registration *rego;
1783 for (rego = gdbarch_data_registry.registrations;
1787 struct gdbarch_data *data = rego->data;
1788 gdb_assert (data->index < gdbarch->nr_data);
1789 if (data->init != NULL)
1791 void *pointer = data->init (gdbarch);
1792 set_gdbarch_data (gdbarch, data, pointer);
1797 /* Create/delete the gdbarch data vector. */
1800 alloc_gdbarch_data (struct gdbarch *gdbarch)
1802 gdb_assert (gdbarch->data == NULL);
1803 gdbarch->nr_data = gdbarch_data_registry.nr;
1804 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1808 free_gdbarch_data (struct gdbarch *gdbarch)
1810 struct gdbarch_data_registration *rego;
1811 gdb_assert (gdbarch->data != NULL);
1812 for (rego = gdbarch_data_registry.registrations;
1816 struct gdbarch_data *data = rego->data;
1817 gdb_assert (data->index < gdbarch->nr_data);
1818 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1820 data->free (gdbarch, gdbarch->data[data->index]);
1821 gdbarch->data[data->index] = NULL;
1824 xfree (gdbarch->data);
1825 gdbarch->data = NULL;
1829 /* Initialize the current value of thee specified per-architecture
1833 set_gdbarch_data (struct gdbarch *gdbarch,
1834 struct gdbarch_data *data,
1837 gdb_assert (data->index < gdbarch->nr_data);
1838 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1839 data->free (gdbarch, gdbarch->data[data->index]);
1840 gdbarch->data[data->index] = pointer;
1843 /* Return the current value of the specified per-architecture
1847 gdbarch_data (struct gdbarch_data *data)
1849 gdb_assert (data->index < current_gdbarch->nr_data);
1850 return current_gdbarch->data[data->index];
1855 /* Keep a registry of swapped data required by GDB modules. */
1860 struct gdbarch_swap_registration *source;
1861 struct gdbarch_swap *next;
1864 struct gdbarch_swap_registration
1867 unsigned long sizeof_data;
1868 gdbarch_swap_ftype *init;
1869 struct gdbarch_swap_registration *next;
1872 struct gdbarch_swap_registry
1875 struct gdbarch_swap_registration *registrations;
1878 struct gdbarch_swap_registry gdbarch_swap_registry =
1884 register_gdbarch_swap (void *data,
1885 unsigned long sizeof_data,
1886 gdbarch_swap_ftype *init)
1888 struct gdbarch_swap_registration **rego;
1889 for (rego = &gdbarch_swap_registry.registrations;
1891 rego = &(*rego)->next);
1892 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1893 (*rego)->next = NULL;
1894 (*rego)->init = init;
1895 (*rego)->data = data;
1896 (*rego)->sizeof_data = sizeof_data;
1901 init_gdbarch_swap (struct gdbarch *gdbarch)
1903 struct gdbarch_swap_registration *rego;
1904 struct gdbarch_swap **curr = &gdbarch->swap;
1905 for (rego = gdbarch_swap_registry.registrations;
1909 if (rego->data != NULL)
1911 (*curr) = XMALLOC (struct gdbarch_swap);
1912 (*curr)->source = rego;
1913 (*curr)->swap = xmalloc (rego->sizeof_data);
1914 (*curr)->next = NULL;
1915 memset (rego->data, 0, rego->sizeof_data);
1916 curr = &(*curr)->next;
1918 if (rego->init != NULL)
1924 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1926 struct gdbarch_swap *curr;
1927 for (curr = gdbarch->swap;
1930 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1934 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1936 struct gdbarch_swap *curr;
1937 for (curr = gdbarch->swap;
1940 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1944 /* Keep a registry of the architectures known by GDB. */
1946 struct gdbarch_registration
1948 enum bfd_architecture bfd_architecture;
1949 gdbarch_init_ftype *init;
1950 gdbarch_dump_tdep_ftype *dump_tdep;
1951 struct gdbarch_list *arches;
1952 struct gdbarch_registration *next;
1955 static struct gdbarch_registration *gdbarch_registry = NULL;
1958 append_name (const char ***buf, int *nr, const char *name)
1960 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1966 gdbarch_printable_names (void)
1970 /* Accumulate a list of names based on the registed list of
1972 enum bfd_architecture a;
1974 const char **arches = NULL;
1975 struct gdbarch_registration *rego;
1976 for (rego = gdbarch_registry;
1980 const struct bfd_arch_info *ap;
1981 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
1983 internal_error (__FILE__, __LINE__,
1984 "gdbarch_architecture_names: multi-arch unknown");
1987 append_name (&arches, &nr_arches, ap->printable_name);
1992 append_name (&arches, &nr_arches, NULL);
1996 /* Just return all the architectures that BFD knows. Assume that
1997 the legacy architecture framework supports them. */
1998 return bfd_arch_list ();
2003 gdbarch_register (enum bfd_architecture bfd_architecture,
2004 gdbarch_init_ftype *init,
2005 gdbarch_dump_tdep_ftype *dump_tdep)
2007 struct gdbarch_registration **curr;
2008 const struct bfd_arch_info *bfd_arch_info;
2009 /* Check that BFD recognizes this architecture */
2010 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2011 if (bfd_arch_info == NULL)
2013 internal_error (__FILE__, __LINE__,
2014 "gdbarch: Attempt to register unknown architecture (%d)",
2017 /* Check that we haven't seen this architecture before */
2018 for (curr = &gdbarch_registry;
2020 curr = &(*curr)->next)
2022 if (bfd_architecture == (*curr)->bfd_architecture)
2023 internal_error (__FILE__, __LINE__,
2024 "gdbarch: Duplicate registraration of architecture (%s)",
2025 bfd_arch_info->printable_name);
2029 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2030 bfd_arch_info->printable_name,
2033 (*curr) = XMALLOC (struct gdbarch_registration);
2034 (*curr)->bfd_architecture = bfd_architecture;
2035 (*curr)->init = init;
2036 (*curr)->dump_tdep = dump_tdep;
2037 (*curr)->arches = NULL;
2038 (*curr)->next = NULL;
2039 /* When non- multi-arch, install whatever target dump routine we've
2040 been provided - hopefully that routine has been written correctly
2041 and works regardless of multi-arch. */
2042 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2043 && startup_gdbarch.dump_tdep == NULL)
2044 startup_gdbarch.dump_tdep = dump_tdep;
2048 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2049 gdbarch_init_ftype *init)
2051 gdbarch_register (bfd_architecture, init, NULL);
2055 /* Look for an architecture using gdbarch_info. Base search on only
2056 BFD_ARCH_INFO and BYTE_ORDER. */
2058 struct gdbarch_list *
2059 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2060 const struct gdbarch_info *info)
2062 for (; arches != NULL; arches = arches->next)
2064 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2066 if (info->byte_order != arches->gdbarch->byte_order)
2074 /* Update the current architecture. Return ZERO if the update request
2078 gdbarch_update_p (struct gdbarch_info info)
2080 struct gdbarch *new_gdbarch;
2081 struct gdbarch_registration *rego;
2083 /* Fill in missing parts of the INFO struct using a number of
2084 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2086 /* \`\`(gdb) set architecture ...'' */
2087 if (info.bfd_arch_info == NULL
2088 && !TARGET_ARCHITECTURE_AUTO)
2089 info.bfd_arch_info = TARGET_ARCHITECTURE;
2090 if (info.bfd_arch_info == NULL
2091 && info.abfd != NULL
2092 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2093 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2094 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2095 if (info.bfd_arch_info == NULL)
2096 info.bfd_arch_info = TARGET_ARCHITECTURE;
2098 /* \`\`(gdb) set byte-order ...'' */
2099 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2100 && !TARGET_BYTE_ORDER_AUTO)
2101 info.byte_order = TARGET_BYTE_ORDER;
2102 /* From the INFO struct. */
2103 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2104 && info.abfd != NULL)
2105 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2106 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2107 : BFD_ENDIAN_UNKNOWN);
2108 /* From the current target. */
2109 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2110 info.byte_order = TARGET_BYTE_ORDER;
2112 /* Must have found some sort of architecture. */
2113 gdb_assert (info.bfd_arch_info != NULL);
2117 fprintf_unfiltered (gdb_stdlog,
2118 "gdbarch_update: info.bfd_arch_info %s\n",
2119 (info.bfd_arch_info != NULL
2120 ? info.bfd_arch_info->printable_name
2122 fprintf_unfiltered (gdb_stdlog,
2123 "gdbarch_update: info.byte_order %d (%s)\n",
2125 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2126 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2128 fprintf_unfiltered (gdb_stdlog,
2129 "gdbarch_update: info.abfd 0x%lx\n",
2131 fprintf_unfiltered (gdb_stdlog,
2132 "gdbarch_update: info.tdep_info 0x%lx\n",
2133 (long) info.tdep_info);
2136 /* Find the target that knows about this architecture. */
2137 for (rego = gdbarch_registry;
2140 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2145 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2149 /* Ask the target for a replacement architecture. */
2150 new_gdbarch = rego->init (info, rego->arches);
2152 /* Did the target like it? No. Reject the change. */
2153 if (new_gdbarch == NULL)
2156 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2160 /* Did the architecture change? No. Do nothing. */
2161 if (current_gdbarch == new_gdbarch)
2164 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2166 new_gdbarch->bfd_arch_info->printable_name);
2170 /* Swap all data belonging to the old target out */
2171 swapout_gdbarch_swap (current_gdbarch);
2173 /* Is this a pre-existing architecture? Yes. Move it to the front
2174 of the list of architectures (keeping the list sorted Most
2175 Recently Used) and then copy it in. */
2177 struct gdbarch_list **list;
2178 for (list = ®o->arches;
2180 list = &(*list)->next)
2182 if ((*list)->gdbarch == new_gdbarch)
2184 struct gdbarch_list *this;
2186 fprintf_unfiltered (gdb_stdlog,
2187 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2189 new_gdbarch->bfd_arch_info->printable_name);
2192 (*list) = this->next;
2193 /* Insert in the front. */
2194 this->next = rego->arches;
2195 rego->arches = this;
2196 /* Copy the new architecture in. */
2197 current_gdbarch = new_gdbarch;
2198 swapin_gdbarch_swap (new_gdbarch);
2199 architecture_changed_event ();
2205 /* Prepend this new architecture to the architecture list (keep the
2206 list sorted Most Recently Used). */
2208 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2209 this->next = rego->arches;
2210 this->gdbarch = new_gdbarch;
2211 rego->arches = this;
2214 /* Switch to this new architecture. Dump it out. */
2215 current_gdbarch = new_gdbarch;
2218 fprintf_unfiltered (gdb_stdlog,
2219 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2221 new_gdbarch->bfd_arch_info->printable_name);
2224 /* Check that the newly installed architecture is valid. Plug in
2225 any post init values. */
2226 new_gdbarch->dump_tdep = rego->dump_tdep;
2227 verify_gdbarch (new_gdbarch);
2229 /* Initialize the per-architecture memory (swap) areas.
2230 CURRENT_GDBARCH must be update before these modules are
2232 init_gdbarch_swap (new_gdbarch);
2234 /* Initialize the per-architecture data-pointer of all parties that
2235 registered an interest in this architecture. CURRENT_GDBARCH
2236 must be updated before these modules are called. */
2237 init_gdbarch_data (new_gdbarch);
2238 architecture_changed_event ();
2241 gdbarch_dump (current_gdbarch, gdb_stdlog);
2249 /* Pointer to the target-dependent disassembly function. */
2250 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2251 disassemble_info tm_print_insn_info;
2254 extern void _initialize_gdbarch (void);
2257 _initialize_gdbarch (void)
2259 struct cmd_list_element *c;
2261 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2262 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2263 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2264 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2265 tm_print_insn_info.print_address_func = dis_asm_print_address;
2267 add_show_from_set (add_set_cmd ("arch",
2270 (char *)&gdbarch_debug,
2271 "Set architecture debugging.\\n\\
2272 When non-zero, architecture debugging is enabled.", &setdebuglist),
2274 c = add_set_cmd ("archdebug",
2277 (char *)&gdbarch_debug,
2278 "Set architecture debugging.\\n\\
2279 When non-zero, architecture debugging is enabled.", &setlist);
2281 deprecate_cmd (c, "set debug arch");
2282 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2288 #../move-if-change new-gdbarch.c gdbarch.c
2289 compare_new gdbarch.c