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 # A target might have problems with watchpoints as soon as the stack
612 # frame of the current function has been destroyed. This mostly happens
613 # as the first action in a funtion's epilogue. in_function_epilogue_p()
614 # is defined to return a non-zero value if either the given addr is one
615 # instruction after the stack destroying instruction up to the trailing
616 # return instruction or if we can figure out that the stack frame has
617 # already been invalidated regardless of the value of addr. Targets
618 # which don't suffer from that problem could just let this functionality
620 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
621 # Given a vector of command-line arguments, return a newly allocated
622 # string which, when passed to the create_inferior function, will be
623 # parsed (on Unix systems, by the shell) to yield the same vector.
624 # This function should call error() if the argument vector is not
625 # representable for this target or if this target does not support
626 # command-line arguments.
627 # ARGC is the number of elements in the vector.
628 # ARGV is an array of strings, one per argument.
629 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
630 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
631 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
632 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
639 exec > new-gdbarch.log
640 function_list |
while do_read
643 ${class} ${macro}(${actual})
644 ${returntype} ${function} ($formal)${attrib}
648 eval echo \"\ \ \ \
${r}=\
${${r}}\"
650 # #fallbackdefault=${fallbackdefault}
651 # #valid_p=${valid_p}
653 if class_is_predicate_p
&& fallback_default_p
655 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
659 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
661 echo "Error: postdefault is useless when invalid_p=0" 1>&2
665 if class_is_multiarch_p
667 if class_is_predicate_p
; then :
668 elif test "x${predefault}" = "x"
670 echo "Error: pure multi-arch function must have a predefault" 1>&2
679 compare_new gdbarch.log
685 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
687 /* Dynamic architecture support for GDB, the GNU debugger.
688 Copyright 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
690 This file is part of GDB.
692 This program is free software; you can redistribute it and/or modify
693 it under the terms of the GNU General Public License as published by
694 the Free Software Foundation; either version 2 of the License, or
695 (at your option) any later version.
697 This program is distributed in the hope that it will be useful,
698 but WITHOUT ANY WARRANTY; without even the implied warranty of
699 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
700 GNU General Public License for more details.
702 You should have received a copy of the GNU General Public License
703 along with this program; if not, write to the Free Software
704 Foundation, Inc., 59 Temple Place - Suite 330,
705 Boston, MA 02111-1307, USA. */
707 /* This file was created with the aid of \`\`gdbarch.sh''.
709 The Bourne shell script \`\`gdbarch.sh'' creates the files
710 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
711 against the existing \`\`gdbarch.[hc]''. Any differences found
714 If editing this file, please also run gdbarch.sh and merge any
715 changes into that script. Conversely, when making sweeping changes
716 to this file, modifying gdbarch.sh and using its output may prove
732 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
734 /* Pull in function declarations refered to, indirectly, via macros. */
735 #include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */
736 #include "inferior.h" /* For unsigned_address_to_pointer(). */
742 struct minimal_symbol;
744 extern struct gdbarch *current_gdbarch;
747 /* If any of the following are defined, the target wasn't correctly
751 #if defined (EXTRA_FRAME_INFO)
752 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
757 #if defined (FRAME_FIND_SAVED_REGS)
758 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
762 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
763 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
770 printf "/* The following are pre-initialized by GDBARCH. */\n"
771 function_list |
while do_read
776 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
777 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
778 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
779 printf "#error \"Non multi-arch definition of ${macro}\"\n"
781 printf "#if GDB_MULTI_ARCH\n"
782 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
783 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
792 printf "/* The following are initialized by the target dependent code. */\n"
793 function_list |
while do_read
795 if [ -n "${comment}" ]
797 echo "${comment}" |
sed \
802 if class_is_multiarch_p
804 if class_is_predicate_p
807 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
810 if class_is_predicate_p
813 printf "#if defined (${macro})\n"
814 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
815 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
816 printf "#if !defined (${macro}_P)\n"
817 printf "#define ${macro}_P() (1)\n"
821 printf "/* Default predicate for non- multi-arch targets. */\n"
822 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
823 printf "#define ${macro}_P() (0)\n"
826 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
827 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
828 printf "#error \"Non multi-arch definition of ${macro}\"\n"
830 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
831 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
835 if class_is_variable_p
837 if fallback_default_p || class_is_predicate_p
840 printf "/* Default (value) for non- multi-arch platforms. */\n"
841 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
842 echo "#define ${macro} (${fallbackdefault})" \
843 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
847 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
848 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
849 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
850 printf "#error \"Non multi-arch definition of ${macro}\"\n"
852 printf "#if GDB_MULTI_ARCH\n"
853 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
854 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
858 if class_is_function_p
860 if class_is_multiarch_p
; then :
861 elif fallback_default_p || class_is_predicate_p
864 printf "/* Default (function) for non- multi-arch platforms. */\n"
865 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
866 if [ "x${fallbackdefault}" = "x0" ]
868 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
870 # FIXME: Should be passing current_gdbarch through!
871 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
872 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
877 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
879 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
880 elif class_is_multiarch_p
882 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
884 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
886 if [ "x${formal}" = "xvoid" ]
888 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
890 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
892 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
893 if class_is_multiarch_p
; then :
895 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
896 printf "#error \"Non multi-arch definition of ${macro}\"\n"
898 printf "#if GDB_MULTI_ARCH\n"
899 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
900 if [ "x${actual}" = "x" ]
902 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
903 elif [ "x${actual}" = "x-" ]
905 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
907 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
918 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
921 /* Mechanism for co-ordinating the selection of a specific
924 GDB targets (*-tdep.c) can register an interest in a specific
925 architecture. Other GDB components can register a need to maintain
926 per-architecture data.
928 The mechanisms below ensures that there is only a loose connection
929 between the set-architecture command and the various GDB
930 components. Each component can independently register their need
931 to maintain architecture specific data with gdbarch.
935 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
938 The more traditional mega-struct containing architecture specific
939 data for all the various GDB components was also considered. Since
940 GDB is built from a variable number of (fairly independent)
941 components it was determined that the global aproach was not
945 /* Register a new architectural family with GDB.
947 Register support for the specified ARCHITECTURE with GDB. When
948 gdbarch determines that the specified architecture has been
949 selected, the corresponding INIT function is called.
953 The INIT function takes two parameters: INFO which contains the
954 information available to gdbarch about the (possibly new)
955 architecture; ARCHES which is a list of the previously created
956 \`\`struct gdbarch'' for this architecture.
958 The INFO parameter is, as far as possible, be pre-initialized with
959 information obtained from INFO.ABFD or the previously selected
962 The ARCHES parameter is a linked list (sorted most recently used)
963 of all the previously created architures for this architecture
964 family. The (possibly NULL) ARCHES->gdbarch can used to access
965 values from the previously selected architecture for this
966 architecture family. The global \`\`current_gdbarch'' shall not be
969 The INIT function shall return any of: NULL - indicating that it
970 doesn't recognize the selected architecture; an existing \`\`struct
971 gdbarch'' from the ARCHES list - indicating that the new
972 architecture is just a synonym for an earlier architecture (see
973 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
974 - that describes the selected architecture (see gdbarch_alloc()).
976 The DUMP_TDEP function shall print out all target specific values.
977 Care should be taken to ensure that the function works in both the
978 multi-arch and non- multi-arch cases. */
982 struct gdbarch *gdbarch;
983 struct gdbarch_list *next;
988 /* Use default: NULL (ZERO). */
989 const struct bfd_arch_info *bfd_arch_info;
991 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
994 /* Use default: NULL (ZERO). */
997 /* Use default: NULL (ZERO). */
998 struct gdbarch_tdep_info *tdep_info;
1001 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1002 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1004 /* DEPRECATED - use gdbarch_register() */
1005 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1007 extern void gdbarch_register (enum bfd_architecture architecture,
1008 gdbarch_init_ftype *,
1009 gdbarch_dump_tdep_ftype *);
1012 /* Return a freshly allocated, NULL terminated, array of the valid
1013 architecture names. Since architectures are registered during the
1014 _initialize phase this function only returns useful information
1015 once initialization has been completed. */
1017 extern const char **gdbarch_printable_names (void);
1020 /* Helper function. Search the list of ARCHES for a GDBARCH that
1021 matches the information provided by INFO. */
1023 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1026 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1027 basic initialization using values obtained from the INFO andTDEP
1028 parameters. set_gdbarch_*() functions are called to complete the
1029 initialization of the object. */
1031 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1034 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1035 It is assumed that the caller freeds the \`\`struct
1038 extern void gdbarch_free (struct gdbarch *);
1041 /* Helper function. Force an update of the current architecture.
1043 The actual architecture selected is determined by INFO, \`\`(gdb) set
1044 architecture'' et.al., the existing architecture and BFD's default
1045 architecture. INFO should be initialized to zero and then selected
1046 fields should be updated.
1048 Returns non-zero if the update succeeds */
1050 extern int gdbarch_update_p (struct gdbarch_info info);
1054 /* Register per-architecture data-pointer.
1056 Reserve space for a per-architecture data-pointer. An identifier
1057 for the reserved data-pointer is returned. That identifer should
1058 be saved in a local static variable.
1060 The per-architecture data-pointer can be initialized in one of two
1061 ways: The value can be set explicitly using a call to
1062 set_gdbarch_data(); the value can be set implicitly using the value
1063 returned by a non-NULL INIT() callback. INIT(), when non-NULL is
1064 called after the basic architecture vector has been created.
1066 When a previously created architecture is re-selected, the
1067 per-architecture data-pointer for that previous architecture is
1068 restored. INIT() is not called.
1070 During initialization, multiple assignments of the data-pointer are
1071 allowed, non-NULL values are deleted by calling FREE(). If the
1072 architecture is deleted using gdbarch_free() all non-NULL data
1073 pointers are also deleted using FREE().
1075 Multiple registrarants for any architecture are allowed (and
1076 strongly encouraged). */
1078 struct gdbarch_data;
1080 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1081 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1083 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1084 gdbarch_data_free_ftype *free);
1085 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1086 struct gdbarch_data *data,
1089 extern void *gdbarch_data (struct gdbarch_data*);
1092 /* Register per-architecture memory region.
1094 Provide a memory-region swap mechanism. Per-architecture memory
1095 region are created. These memory regions are swapped whenever the
1096 architecture is changed. For a new architecture, the memory region
1097 is initialized with zero (0) and the INIT function is called.
1099 Memory regions are swapped / initialized in the order that they are
1100 registered. NULL DATA and/or INIT values can be specified.
1102 New code should use register_gdbarch_data(). */
1104 typedef void (gdbarch_swap_ftype) (void);
1105 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1106 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1110 /* The target-system-dependent byte order is dynamic */
1112 extern int target_byte_order;
1113 #ifndef TARGET_BYTE_ORDER
1114 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1117 extern int target_byte_order_auto;
1118 #ifndef TARGET_BYTE_ORDER_AUTO
1119 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1124 /* The target-system-dependent BFD architecture is dynamic */
1126 extern int target_architecture_auto;
1127 #ifndef TARGET_ARCHITECTURE_AUTO
1128 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1131 extern const struct bfd_arch_info *target_architecture;
1132 #ifndef TARGET_ARCHITECTURE
1133 #define TARGET_ARCHITECTURE (target_architecture + 0)
1137 /* The target-system-dependent disassembler is semi-dynamic */
1139 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1140 unsigned int len, disassemble_info *info);
1142 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1143 disassemble_info *info);
1145 extern void dis_asm_print_address (bfd_vma addr,
1146 disassemble_info *info);
1148 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1149 extern disassemble_info tm_print_insn_info;
1150 #ifndef TARGET_PRINT_INSN_INFO
1151 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1156 /* Set the dynamic target-system-dependent parameters (architecture,
1157 byte-order, ...) using information found in the BFD */
1159 extern void set_gdbarch_from_file (bfd *);
1162 /* Initialize the current architecture to the "first" one we find on
1165 extern void initialize_current_architecture (void);
1167 /* For non-multiarched targets, do any initialization of the default
1168 gdbarch object necessary after the _initialize_MODULE functions
1170 extern void initialize_non_multiarch ();
1172 /* gdbarch trace variable */
1173 extern int gdbarch_debug;
1175 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1180 #../move-if-change new-gdbarch.h gdbarch.h
1181 compare_new gdbarch.h
1188 exec > new-gdbarch.c
1193 #include "arch-utils.h"
1197 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1199 /* Just include everything in sight so that the every old definition
1200 of macro is visible. */
1201 #include "gdb_string.h"
1205 #include "inferior.h"
1206 #include "breakpoint.h"
1207 #include "gdb_wait.h"
1208 #include "gdbcore.h"
1211 #include "gdbthread.h"
1212 #include "annotate.h"
1213 #include "symfile.h" /* for overlay functions */
1214 #include "value.h" /* For old tm.h/nm.h macros. */
1218 #include "floatformat.h"
1220 #include "gdb_assert.h"
1221 #include "gdb-events.h"
1223 /* Static function declarations */
1225 static void verify_gdbarch (struct gdbarch *gdbarch);
1226 static void alloc_gdbarch_data (struct gdbarch *);
1227 static void init_gdbarch_data (struct gdbarch *);
1228 static void free_gdbarch_data (struct gdbarch *);
1229 static void init_gdbarch_swap (struct gdbarch *);
1230 static void swapout_gdbarch_swap (struct gdbarch *);
1231 static void swapin_gdbarch_swap (struct gdbarch *);
1233 /* Non-zero if we want to trace architecture code. */
1235 #ifndef GDBARCH_DEBUG
1236 #define GDBARCH_DEBUG 0
1238 int gdbarch_debug = GDBARCH_DEBUG;
1242 # gdbarch open the gdbarch object
1244 printf "/* Maintain the struct gdbarch object */\n"
1246 printf "struct gdbarch\n"
1248 printf " /* basic architectural information */\n"
1249 function_list |
while do_read
1253 printf " ${returntype} ${function};\n"
1257 printf " /* target specific vector. */\n"
1258 printf " struct gdbarch_tdep *tdep;\n"
1259 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1261 printf " /* per-architecture data-pointers */\n"
1262 printf " unsigned nr_data;\n"
1263 printf " void **data;\n"
1265 printf " /* per-architecture swap-regions */\n"
1266 printf " struct gdbarch_swap *swap;\n"
1269 /* Multi-arch values.
1271 When extending this structure you must:
1273 Add the field below.
1275 Declare set/get functions and define the corresponding
1278 gdbarch_alloc(): If zero/NULL is not a suitable default,
1279 initialize the new field.
1281 verify_gdbarch(): Confirm that the target updated the field
1284 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1287 \`\`startup_gdbarch()'': Append an initial value to the static
1288 variable (base values on the host's c-type system).
1290 get_gdbarch(): Implement the set/get functions (probably using
1291 the macro's as shortcuts).
1296 function_list |
while do_read
1298 if class_is_variable_p
1300 printf " ${returntype} ${function};\n"
1301 elif class_is_function_p
1303 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1308 # A pre-initialized vector
1312 /* The default architecture uses host values (for want of a better
1316 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1318 printf "struct gdbarch startup_gdbarch =\n"
1320 printf " /* basic architecture information */\n"
1321 function_list |
while do_read
1325 printf " ${staticdefault},\n"
1329 /* target specific vector and its dump routine */
1331 /*per-architecture data-pointers and swap regions */
1333 /* Multi-arch values */
1335 function_list |
while do_read
1337 if class_is_function_p || class_is_variable_p
1339 printf " ${staticdefault},\n"
1343 /* startup_gdbarch() */
1346 struct gdbarch *current_gdbarch = &startup_gdbarch;
1348 /* Do any initialization needed for a non-multiarch configuration
1349 after the _initialize_MODULE functions have been run. */
1351 initialize_non_multiarch ()
1353 alloc_gdbarch_data (&startup_gdbarch);
1354 init_gdbarch_swap (&startup_gdbarch);
1355 init_gdbarch_data (&startup_gdbarch);
1359 # Create a new gdbarch struct
1363 /* Create a new \`\`struct gdbarch'' based on information provided by
1364 \`\`struct gdbarch_info''. */
1369 gdbarch_alloc (const struct gdbarch_info *info,
1370 struct gdbarch_tdep *tdep)
1372 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1373 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1374 the current local architecture and not the previous global
1375 architecture. This ensures that the new architectures initial
1376 values are not influenced by the previous architecture. Once
1377 everything is parameterised with gdbarch, this will go away. */
1378 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1379 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1381 alloc_gdbarch_data (current_gdbarch);
1383 current_gdbarch->tdep = tdep;
1386 function_list |
while do_read
1390 printf " current_gdbarch->${function} = info->${function};\n"
1394 printf " /* Force the explicit initialization of these. */\n"
1395 function_list |
while do_read
1397 if class_is_function_p || class_is_variable_p
1399 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1401 printf " current_gdbarch->${function} = ${predefault};\n"
1406 /* gdbarch_alloc() */
1408 return current_gdbarch;
1412 # Free a gdbarch struct.
1416 /* Free a gdbarch struct. This should never happen in normal
1417 operation --- once you've created a gdbarch, you keep it around.
1418 However, if an architecture's init function encounters an error
1419 building the structure, it may need to clean up a partially
1420 constructed gdbarch. */
1423 gdbarch_free (struct gdbarch *arch)
1425 gdb_assert (arch != NULL);
1426 free_gdbarch_data (arch);
1431 # verify a new architecture
1434 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1438 verify_gdbarch (struct gdbarch *gdbarch)
1440 struct ui_file *log;
1441 struct cleanup *cleanups;
1444 /* Only perform sanity checks on a multi-arch target. */
1445 if (!GDB_MULTI_ARCH)
1447 log = mem_fileopen ();
1448 cleanups = make_cleanup_ui_file_delete (log);
1450 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1451 fprintf_unfiltered (log, "\n\tbyte-order");
1452 if (gdbarch->bfd_arch_info == NULL)
1453 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1454 /* Check those that need to be defined for the given multi-arch level. */
1456 function_list |
while do_read
1458 if class_is_function_p || class_is_variable_p
1460 if [ "x${invalid_p}" = "x0" ]
1462 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1463 elif class_is_predicate_p
1465 printf " /* Skip verify of ${function}, has predicate */\n"
1466 # FIXME: See do_read for potential simplification
1467 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1469 printf " if (${invalid_p})\n"
1470 printf " gdbarch->${function} = ${postdefault};\n"
1471 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1473 printf " if (gdbarch->${function} == ${predefault})\n"
1474 printf " gdbarch->${function} = ${postdefault};\n"
1475 elif [ -n "${postdefault}" ]
1477 printf " if (gdbarch->${function} == 0)\n"
1478 printf " gdbarch->${function} = ${postdefault};\n"
1479 elif [ -n "${invalid_p}" ]
1481 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1482 printf " && (${invalid_p}))\n"
1483 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1484 elif [ -n "${predefault}" ]
1486 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1487 printf " && (gdbarch->${function} == ${predefault}))\n"
1488 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1493 buf = ui_file_xstrdup (log, &dummy);
1494 make_cleanup (xfree, buf);
1495 if (strlen (buf) > 0)
1496 internal_error (__FILE__, __LINE__,
1497 "verify_gdbarch: the following are invalid ...%s",
1499 do_cleanups (cleanups);
1503 # dump the structure
1507 /* Print out the details of the current architecture. */
1509 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1510 just happens to match the global variable \`\`current_gdbarch''. That
1511 way macros refering to that variable get the local and not the global
1512 version - ulgh. Once everything is parameterised with gdbarch, this
1516 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1518 fprintf_unfiltered (file,
1519 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1522 function_list |
sort -t: +2 |
while do_read
1524 # multiarch functions don't have macros.
1525 if class_is_multiarch_p
1527 printf " if (GDB_MULTI_ARCH)\n"
1528 printf " fprintf_unfiltered (file,\n"
1529 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1530 printf " (long) current_gdbarch->${function});\n"
1533 # Print the macro definition.
1534 printf "#ifdef ${macro}\n"
1535 if [ "x${returntype}" = "xvoid" ]
1537 printf "#if GDB_MULTI_ARCH\n"
1538 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1540 if class_is_function_p
1542 printf " fprintf_unfiltered (file,\n"
1543 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1544 printf " \"${macro}(${actual})\",\n"
1545 printf " XSTRING (${macro} (${actual})));\n"
1547 printf " fprintf_unfiltered (file,\n"
1548 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1549 printf " XSTRING (${macro}));\n"
1551 # Print the architecture vector value
1552 if [ "x${returntype}" = "xvoid" ]
1556 if [ "x${print_p}" = "x()" ]
1558 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1559 elif [ "x${print_p}" = "x0" ]
1561 printf " /* skip print of ${macro}, print_p == 0. */\n"
1562 elif [ -n "${print_p}" ]
1564 printf " if (${print_p})\n"
1565 printf " fprintf_unfiltered (file,\n"
1566 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1567 printf " ${print});\n"
1568 elif class_is_function_p
1570 printf " if (GDB_MULTI_ARCH)\n"
1571 printf " fprintf_unfiltered (file,\n"
1572 printf " \"gdbarch_dump: ${macro} = 0x%%08lx\\\\n\",\n"
1573 printf " (long) current_gdbarch->${function}\n"
1574 printf " /*${macro} ()*/);\n"
1576 printf " fprintf_unfiltered (file,\n"
1577 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1578 printf " ${print});\n"
1583 if (current_gdbarch->dump_tdep != NULL)
1584 current_gdbarch->dump_tdep (current_gdbarch, file);
1592 struct gdbarch_tdep *
1593 gdbarch_tdep (struct gdbarch *gdbarch)
1595 if (gdbarch_debug >= 2)
1596 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1597 return gdbarch->tdep;
1601 function_list |
while do_read
1603 if class_is_predicate_p
1607 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1609 if [ -n "${valid_p}" ]
1611 printf " return ${valid_p};\n"
1613 printf "#error \"gdbarch_${function}_p: not defined\"\n"
1617 if class_is_function_p
1620 printf "${returntype}\n"
1621 if [ "x${formal}" = "xvoid" ]
1623 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1625 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1628 printf " if (gdbarch->${function} == 0)\n"
1629 printf " internal_error (__FILE__, __LINE__,\n"
1630 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1631 printf " if (gdbarch_debug >= 2)\n"
1632 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1633 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1635 if class_is_multiarch_p
1642 if class_is_multiarch_p
1644 params
="gdbarch, ${actual}"
1649 if [ "x${returntype}" = "xvoid" ]
1651 printf " gdbarch->${function} (${params});\n"
1653 printf " return gdbarch->${function} (${params});\n"
1658 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1659 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1661 printf " gdbarch->${function} = ${function};\n"
1663 elif class_is_variable_p
1666 printf "${returntype}\n"
1667 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1669 if [ "x${invalid_p}" = "x0" ]
1671 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1672 elif [ -n "${invalid_p}" ]
1674 printf " if (${invalid_p})\n"
1675 printf " internal_error (__FILE__, __LINE__,\n"
1676 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1677 elif [ -n "${predefault}" ]
1679 printf " if (gdbarch->${function} == ${predefault})\n"
1680 printf " internal_error (__FILE__, __LINE__,\n"
1681 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1683 printf " if (gdbarch_debug >= 2)\n"
1684 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1685 printf " return gdbarch->${function};\n"
1689 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1690 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1692 printf " gdbarch->${function} = ${function};\n"
1694 elif class_is_info_p
1697 printf "${returntype}\n"
1698 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1700 printf " if (gdbarch_debug >= 2)\n"
1701 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1702 printf " return gdbarch->${function};\n"
1707 # All the trailing guff
1711 /* Keep a registry of per-architecture data-pointers required by GDB
1717 gdbarch_data_init_ftype *init;
1718 gdbarch_data_free_ftype *free;
1721 struct gdbarch_data_registration
1723 struct gdbarch_data *data;
1724 struct gdbarch_data_registration *next;
1727 struct gdbarch_data_registry
1730 struct gdbarch_data_registration *registrations;
1733 struct gdbarch_data_registry gdbarch_data_registry =
1738 struct gdbarch_data *
1739 register_gdbarch_data (gdbarch_data_init_ftype *init,
1740 gdbarch_data_free_ftype *free)
1742 struct gdbarch_data_registration **curr;
1743 for (curr = &gdbarch_data_registry.registrations;
1745 curr = &(*curr)->next);
1746 (*curr) = XMALLOC (struct gdbarch_data_registration);
1747 (*curr)->next = NULL;
1748 (*curr)->data = XMALLOC (struct gdbarch_data);
1749 (*curr)->data->index = gdbarch_data_registry.nr++;
1750 (*curr)->data->init = init;
1751 (*curr)->data->free = free;
1752 return (*curr)->data;
1756 /* Walk through all the registered users initializing each in turn. */
1759 init_gdbarch_data (struct gdbarch *gdbarch)
1761 struct gdbarch_data_registration *rego;
1762 for (rego = gdbarch_data_registry.registrations;
1766 struct gdbarch_data *data = rego->data;
1767 gdb_assert (data->index < gdbarch->nr_data);
1768 if (data->init != NULL)
1770 void *pointer = data->init (gdbarch);
1771 set_gdbarch_data (gdbarch, data, pointer);
1776 /* Create/delete the gdbarch data vector. */
1779 alloc_gdbarch_data (struct gdbarch *gdbarch)
1781 gdb_assert (gdbarch->data == NULL);
1782 gdbarch->nr_data = gdbarch_data_registry.nr;
1783 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1787 free_gdbarch_data (struct gdbarch *gdbarch)
1789 struct gdbarch_data_registration *rego;
1790 gdb_assert (gdbarch->data != NULL);
1791 for (rego = gdbarch_data_registry.registrations;
1795 struct gdbarch_data *data = rego->data;
1796 gdb_assert (data->index < gdbarch->nr_data);
1797 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1799 data->free (gdbarch, gdbarch->data[data->index]);
1800 gdbarch->data[data->index] = NULL;
1803 xfree (gdbarch->data);
1804 gdbarch->data = NULL;
1808 /* Initialize the current value of thee specified per-architecture
1812 set_gdbarch_data (struct gdbarch *gdbarch,
1813 struct gdbarch_data *data,
1816 gdb_assert (data->index < gdbarch->nr_data);
1817 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1818 data->free (gdbarch, gdbarch->data[data->index]);
1819 gdbarch->data[data->index] = pointer;
1822 /* Return the current value of the specified per-architecture
1826 gdbarch_data (struct gdbarch_data *data)
1828 gdb_assert (data->index < current_gdbarch->nr_data);
1829 return current_gdbarch->data[data->index];
1834 /* Keep a registry of swapped data required by GDB modules. */
1839 struct gdbarch_swap_registration *source;
1840 struct gdbarch_swap *next;
1843 struct gdbarch_swap_registration
1846 unsigned long sizeof_data;
1847 gdbarch_swap_ftype *init;
1848 struct gdbarch_swap_registration *next;
1851 struct gdbarch_swap_registry
1854 struct gdbarch_swap_registration *registrations;
1857 struct gdbarch_swap_registry gdbarch_swap_registry =
1863 register_gdbarch_swap (void *data,
1864 unsigned long sizeof_data,
1865 gdbarch_swap_ftype *init)
1867 struct gdbarch_swap_registration **rego;
1868 for (rego = &gdbarch_swap_registry.registrations;
1870 rego = &(*rego)->next);
1871 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1872 (*rego)->next = NULL;
1873 (*rego)->init = init;
1874 (*rego)->data = data;
1875 (*rego)->sizeof_data = sizeof_data;
1880 init_gdbarch_swap (struct gdbarch *gdbarch)
1882 struct gdbarch_swap_registration *rego;
1883 struct gdbarch_swap **curr = &gdbarch->swap;
1884 for (rego = gdbarch_swap_registry.registrations;
1888 if (rego->data != NULL)
1890 (*curr) = XMALLOC (struct gdbarch_swap);
1891 (*curr)->source = rego;
1892 (*curr)->swap = xmalloc (rego->sizeof_data);
1893 (*curr)->next = NULL;
1894 memset (rego->data, 0, rego->sizeof_data);
1895 curr = &(*curr)->next;
1897 if (rego->init != NULL)
1903 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1905 struct gdbarch_swap *curr;
1906 for (curr = gdbarch->swap;
1909 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1913 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1915 struct gdbarch_swap *curr;
1916 for (curr = gdbarch->swap;
1919 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1923 /* Keep a registry of the architectures known by GDB. */
1925 struct gdbarch_registration
1927 enum bfd_architecture bfd_architecture;
1928 gdbarch_init_ftype *init;
1929 gdbarch_dump_tdep_ftype *dump_tdep;
1930 struct gdbarch_list *arches;
1931 struct gdbarch_registration *next;
1934 static struct gdbarch_registration *gdbarch_registry = NULL;
1937 append_name (const char ***buf, int *nr, const char *name)
1939 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1945 gdbarch_printable_names (void)
1949 /* Accumulate a list of names based on the registed list of
1951 enum bfd_architecture a;
1953 const char **arches = NULL;
1954 struct gdbarch_registration *rego;
1955 for (rego = gdbarch_registry;
1959 const struct bfd_arch_info *ap;
1960 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
1962 internal_error (__FILE__, __LINE__,
1963 "gdbarch_architecture_names: multi-arch unknown");
1966 append_name (&arches, &nr_arches, ap->printable_name);
1971 append_name (&arches, &nr_arches, NULL);
1975 /* Just return all the architectures that BFD knows. Assume that
1976 the legacy architecture framework supports them. */
1977 return bfd_arch_list ();
1982 gdbarch_register (enum bfd_architecture bfd_architecture,
1983 gdbarch_init_ftype *init,
1984 gdbarch_dump_tdep_ftype *dump_tdep)
1986 struct gdbarch_registration **curr;
1987 const struct bfd_arch_info *bfd_arch_info;
1988 /* Check that BFD recognizes this architecture */
1989 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
1990 if (bfd_arch_info == NULL)
1992 internal_error (__FILE__, __LINE__,
1993 "gdbarch: Attempt to register unknown architecture (%d)",
1996 /* Check that we haven't seen this architecture before */
1997 for (curr = &gdbarch_registry;
1999 curr = &(*curr)->next)
2001 if (bfd_architecture == (*curr)->bfd_architecture)
2002 internal_error (__FILE__, __LINE__,
2003 "gdbarch: Duplicate registraration of architecture (%s)",
2004 bfd_arch_info->printable_name);
2008 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2009 bfd_arch_info->printable_name,
2012 (*curr) = XMALLOC (struct gdbarch_registration);
2013 (*curr)->bfd_architecture = bfd_architecture;
2014 (*curr)->init = init;
2015 (*curr)->dump_tdep = dump_tdep;
2016 (*curr)->arches = NULL;
2017 (*curr)->next = NULL;
2018 /* When non- multi-arch, install whatever target dump routine we've
2019 been provided - hopefully that routine has been written correctly
2020 and works regardless of multi-arch. */
2021 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2022 && startup_gdbarch.dump_tdep == NULL)
2023 startup_gdbarch.dump_tdep = dump_tdep;
2027 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2028 gdbarch_init_ftype *init)
2030 gdbarch_register (bfd_architecture, init, NULL);
2034 /* Look for an architecture using gdbarch_info. Base search on only
2035 BFD_ARCH_INFO and BYTE_ORDER. */
2037 struct gdbarch_list *
2038 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2039 const struct gdbarch_info *info)
2041 for (; arches != NULL; arches = arches->next)
2043 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2045 if (info->byte_order != arches->gdbarch->byte_order)
2053 /* Update the current architecture. Return ZERO if the update request
2057 gdbarch_update_p (struct gdbarch_info info)
2059 struct gdbarch *new_gdbarch;
2060 struct gdbarch_registration *rego;
2062 /* Fill in missing parts of the INFO struct using a number of
2063 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2065 /* \`\`(gdb) set architecture ...'' */
2066 if (info.bfd_arch_info == NULL
2067 && !TARGET_ARCHITECTURE_AUTO)
2068 info.bfd_arch_info = TARGET_ARCHITECTURE;
2069 if (info.bfd_arch_info == NULL
2070 && info.abfd != NULL
2071 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2072 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2073 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2074 if (info.bfd_arch_info == NULL)
2075 info.bfd_arch_info = TARGET_ARCHITECTURE;
2077 /* \`\`(gdb) set byte-order ...'' */
2078 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2079 && !TARGET_BYTE_ORDER_AUTO)
2080 info.byte_order = TARGET_BYTE_ORDER;
2081 /* From the INFO struct. */
2082 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2083 && info.abfd != NULL)
2084 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2085 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2086 : BFD_ENDIAN_UNKNOWN);
2087 /* From the current target. */
2088 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2089 info.byte_order = TARGET_BYTE_ORDER;
2091 /* Must have found some sort of architecture. */
2092 gdb_assert (info.bfd_arch_info != NULL);
2096 fprintf_unfiltered (gdb_stdlog,
2097 "gdbarch_update: info.bfd_arch_info %s\n",
2098 (info.bfd_arch_info != NULL
2099 ? info.bfd_arch_info->printable_name
2101 fprintf_unfiltered (gdb_stdlog,
2102 "gdbarch_update: info.byte_order %d (%s)\n",
2104 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2105 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2107 fprintf_unfiltered (gdb_stdlog,
2108 "gdbarch_update: info.abfd 0x%lx\n",
2110 fprintf_unfiltered (gdb_stdlog,
2111 "gdbarch_update: info.tdep_info 0x%lx\n",
2112 (long) info.tdep_info);
2115 /* Find the target that knows about this architecture. */
2116 for (rego = gdbarch_registry;
2119 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2124 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2128 /* Ask the target for a replacement architecture. */
2129 new_gdbarch = rego->init (info, rego->arches);
2131 /* Did the target like it? No. Reject the change. */
2132 if (new_gdbarch == NULL)
2135 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2139 /* Did the architecture change? No. Do nothing. */
2140 if (current_gdbarch == new_gdbarch)
2143 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2145 new_gdbarch->bfd_arch_info->printable_name);
2149 /* Swap all data belonging to the old target out */
2150 swapout_gdbarch_swap (current_gdbarch);
2152 /* Is this a pre-existing architecture? Yes. Move it to the front
2153 of the list of architectures (keeping the list sorted Most
2154 Recently Used) and then copy it in. */
2156 struct gdbarch_list **list;
2157 for (list = ®o->arches;
2159 list = &(*list)->next)
2161 if ((*list)->gdbarch == new_gdbarch)
2163 struct gdbarch_list *this;
2165 fprintf_unfiltered (gdb_stdlog,
2166 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2168 new_gdbarch->bfd_arch_info->printable_name);
2171 (*list) = this->next;
2172 /* Insert in the front. */
2173 this->next = rego->arches;
2174 rego->arches = this;
2175 /* Copy the new architecture in. */
2176 current_gdbarch = new_gdbarch;
2177 swapin_gdbarch_swap (new_gdbarch);
2178 architecture_changed_event ();
2184 /* Prepend this new architecture to the architecture list (keep the
2185 list sorted Most Recently Used). */
2187 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2188 this->next = rego->arches;
2189 this->gdbarch = new_gdbarch;
2190 rego->arches = this;
2193 /* Switch to this new architecture. Dump it out. */
2194 current_gdbarch = new_gdbarch;
2197 fprintf_unfiltered (gdb_stdlog,
2198 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2200 new_gdbarch->bfd_arch_info->printable_name);
2203 /* Check that the newly installed architecture is valid. Plug in
2204 any post init values. */
2205 new_gdbarch->dump_tdep = rego->dump_tdep;
2206 verify_gdbarch (new_gdbarch);
2208 /* Initialize the per-architecture memory (swap) areas.
2209 CURRENT_GDBARCH must be update before these modules are
2211 init_gdbarch_swap (new_gdbarch);
2213 /* Initialize the per-architecture data-pointer of all parties that
2214 registered an interest in this architecture. CURRENT_GDBARCH
2215 must be updated before these modules are called. */
2216 init_gdbarch_data (new_gdbarch);
2217 architecture_changed_event ();
2220 gdbarch_dump (current_gdbarch, gdb_stdlog);
2228 /* Pointer to the target-dependent disassembly function. */
2229 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2230 disassemble_info tm_print_insn_info;
2233 extern void _initialize_gdbarch (void);
2236 _initialize_gdbarch (void)
2238 struct cmd_list_element *c;
2240 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2241 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2242 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2243 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2244 tm_print_insn_info.print_address_func = dis_asm_print_address;
2246 add_show_from_set (add_set_cmd ("arch",
2249 (char *)&gdbarch_debug,
2250 "Set architecture debugging.\\n\\
2251 When non-zero, architecture debugging is enabled.", &setdebuglist),
2253 c = add_set_cmd ("archdebug",
2256 (char *)&gdbarch_debug,
2257 "Set architecture debugging.\\n\\
2258 When non-zero, architecture debugging is enabled.", &setlist);
2260 deprecate_cmd (c, "set debug arch");
2261 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2267 #../move-if-change new-gdbarch.c gdbarch.c
2268 compare_new gdbarch.c