3 # Architecture commands for GDB, the GNU debugger.
4 # Copyright 1998, 1999, 2000, 2001 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.
27 echo "${file} missing? cp new-${file} ${file}" 1>&2
28 elif diff -c ${file} new-
${file}
30 echo "${file} unchanged" 1>&2
32 echo "${file} has changed? cp new-${file} ${file}" 1>&2
37 # Format of the input table
38 read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
46 if test "${line}" = ""
49 elif test "${line}" = "#" -a "${comment}" = ""
52 elif expr "${line}" : "#" > /dev
/null
58 # The semantics of IFS varies between different SH's. Some
59 # treat ``::' as three fields while some treat it as just too.
60 # Work around this by eliminating ``::'' ....
61 line
="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
63 OFS
="${IFS}" ; IFS
="[:]"
64 eval read ${read} <<EOF
69 # .... and then going back through each field and strip out those
70 # that ended up with just that space character.
73 if eval test \"\
${${r}}\" = \"\
\"
80 m
) staticdefault
="${predefault}" ;;
81 M
) staticdefault
="0" ;;
82 * ) test "${staticdefault}" || staticdefault
=0 ;;
84 # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
85 # multi-arch defaults.
86 # test "${predefault}" || predefault=0
88 # come up with a format, use a few guesses for variables
89 case ":${class}:${fmt}:${print}:" in
91 if [ "${returntype}" = int
]
95 elif [ "${returntype}" = long
]
102 test "${fmt}" ||
fmt="%ld"
103 test "${print}" || print
="(long) ${macro}"
105 case "${invalid_p}" in
108 if [ -n "${predefault}" ]
110 #invalid_p="gdbarch->${function} == ${predefault}"
111 valid_p
="gdbarch->${function} != ${predefault}"
113 #invalid_p="gdbarch->${function} == 0"
114 valid_p
="gdbarch->${function} != 0"
117 * ) valid_p
="!(${invalid_p})"
120 # PREDEFAULT is a valid fallback definition of MEMBER when
121 # multi-arch is not enabled. This ensures that the
122 # default value, when multi-arch is the same as the
123 # default value when not multi-arch. POSTDEFAULT is
124 # always a valid definition of MEMBER as this again
125 # ensures consistency.
127 if [ -n "${postdefault}" ]
129 fallbackdefault
="${postdefault}"
130 elif [ -n "${predefault}" ]
132 fallbackdefault
="${predefault}"
137 #NOT YET: See gdbarch.log for basic verification of
152 fallback_default_p
()
154 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
155 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
158 class_is_variable_p
()
166 class_is_function_p
()
169 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
174 class_is_multiarch_p
()
182 class_is_predicate_p
()
185 *F
* |
*V
* |
*M
* ) true
;;
199 # dump out/verify the doco
209 # F -> function + predicate
210 # hiding a function + predicate to test function validity
213 # V -> variable + predicate
214 # hiding a variable + predicate to test variables validity
216 # hiding something from the ``struct info'' object
217 # m -> multi-arch function
218 # hiding a multi-arch function (parameterised with the architecture)
219 # M -> multi-arch function + predicate
220 # hiding a multi-arch function + predicate to test function validity
224 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
225 # LEVEL is a predicate on checking that a given method is
226 # initialized (using INVALID_P).
230 # The name of the MACRO that this method is to be accessed by.
234 # For functions, the return type; for variables, the data type
238 # For functions, the member function name; for variables, the
239 # variable name. Member function names are always prefixed with
240 # ``gdbarch_'' for name-space purity.
244 # The formal argument list. It is assumed that the formal
245 # argument list includes the actual name of each list element.
246 # A function with no arguments shall have ``void'' as the
247 # formal argument list.
251 # The list of actual arguments. The arguments specified shall
252 # match the FORMAL list given above. Functions with out
253 # arguments leave this blank.
257 # Any GCC attributes that should be attached to the function
258 # declaration. At present this field is unused.
262 # To help with the GDB startup a static gdbarch object is
263 # created. STATICDEFAULT is the value to insert into that
264 # static gdbarch object. Since this a static object only
265 # simple expressions can be used.
267 # If STATICDEFAULT is empty, zero is used.
271 # An initial value to assign to MEMBER of the freshly
272 # malloc()ed gdbarch object. After initialization, the
273 # freshly malloc()ed object is passed to the target
274 # architecture code for further updates.
276 # If PREDEFAULT is empty, zero is used.
278 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
279 # INVALID_P are specified, PREDEFAULT will be used as the
280 # default for the non- multi-arch target.
282 # A zero PREDEFAULT function will force the fallback to call
285 # Variable declarations can refer to ``gdbarch'' which will
286 # contain the current architecture. Care should be taken.
290 # A value to assign to MEMBER of the new gdbarch object should
291 # the target architecture code fail to change the PREDEFAULT
294 # If POSTDEFAULT is empty, no post update is performed.
296 # If both INVALID_P and POSTDEFAULT are non-empty then
297 # INVALID_P will be used to determine if MEMBER should be
298 # changed to POSTDEFAULT.
300 # If a non-empty POSTDEFAULT and a zero INVALID_P are
301 # specified, POSTDEFAULT will be used as the default for the
302 # non- multi-arch target (regardless of the value of
305 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
307 # Variable declarations can refer to ``gdbarch'' which will
308 # contain the current architecture. Care should be taken.
312 # A predicate equation that validates MEMBER. Non-zero is
313 # returned if the code creating the new architecture failed to
314 # initialize MEMBER or the initialized the member is invalid.
315 # If POSTDEFAULT is non-empty then MEMBER will be updated to
316 # that value. If POSTDEFAULT is empty then internal_error()
319 # If INVALID_P is empty, a check that MEMBER is no longer
320 # equal to PREDEFAULT is used.
322 # The expression ``0'' disables the INVALID_P check making
323 # PREDEFAULT a legitimate value.
325 # See also PREDEFAULT and POSTDEFAULT.
329 # printf style format string that can be used to print out the
330 # MEMBER. Sometimes "%s" is useful. For functions, this is
331 # ignored and the function address is printed.
333 # If FMT is empty, ``%ld'' is used.
337 # An optional equation that casts MEMBER to a value suitable
338 # for formatting by FMT.
340 # If PRINT is empty, ``(long)'' is used.
344 # An optional indicator for any predicte to wrap around the
347 # () -> Call a custom function to do the dump.
348 # exp -> Wrap print up in ``if (${print_p}) ...
349 # ``'' -> No predicate
351 # If PRINT_P is empty, ``1'' is always used.
364 # See below (DOCO) for description of each field
366 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
368 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
369 # Number of bits in a char or unsigned char for the target machine.
370 # Just like CHAR_BIT in <limits.h> but describes the target machine.
371 # v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
373 # Number of bits in a short or unsigned short for the target machine.
374 v::TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
375 # Number of bits in an int or unsigned int for the target machine.
376 v::TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
377 # Number of bits in a long or unsigned long for the target machine.
378 v::TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
379 # Number of bits in a long long or unsigned long long for the target
381 v::TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
382 # Number of bits in a float for the target machine.
383 v::TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
384 # Number of bits in a double for the target machine.
385 v::TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
386 # Number of bits in a long double for the target machine.
387 v::TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):2*TARGET_DOUBLE_BIT::0
388 # For most targets, a pointer on the target and its representation as an
389 # address in GDB have the same size and "look the same". For such a
390 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
391 # / addr_bit will be set from it.
393 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
394 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
396 # ptr_bit is the size of a pointer on the target
397 v::TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
398 # addr_bit is the size of a target address as represented in gdb
399 v::TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
400 # Number of bits in a BFD_VMA for the target object file format.
401 v::TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
403 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
404 v::TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
406 f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
407 f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
408 f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
409 f::TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:generic_target_write_fp::0
410 f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
411 f::TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
412 # Function for getting target's idea of a frame pointer. FIXME: GDB's
413 # whole scheme for dealing with "frames" and "frame pointers" needs a
415 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
417 M:::void:register_read:int regnum, char *buf:regnum, buf:
418 M:::void:register_write:int regnum, char *buf:regnum, buf:
420 v:2:NUM_REGS:int:num_regs::::0:-1
421 # This macro gives the number of pseudo-registers that live in the
422 # register namespace but do not get fetched or stored on the target.
423 # These pseudo-registers may be aliases for other registers,
424 # combinations of other registers, or they may be computed by GDB.
425 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
426 v:2:SP_REGNUM:int:sp_regnum::::0:-1
427 v:2:FP_REGNUM:int:fp_regnum::::0:-1
428 v:2:PC_REGNUM:int:pc_regnum::::0:-1
429 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
430 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
431 v:2:NNPC_REGNUM:int:nnpc_regnum::::0:-1::0
432 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
433 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
434 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
435 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
436 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
437 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
438 # Convert from an sdb register number to an internal gdb register number.
439 # This should be defined in tm.h, if REGISTER_NAMES is not set up
440 # to map one to one onto the sdb register numbers.
441 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
442 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
443 f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name::0
444 v:2:REGISTER_SIZE:int:register_size::::0:-1
445 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
446 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::0:0
447 f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_raw_size:0
448 v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1
449 f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_virtual_size:0
450 v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1
451 f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
452 f:2:DO_REGISTERS_INFO:void:do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs:::do_registers_info::0
453 # MAP a GDB RAW register number onto a simulator register number. See
454 # also include/...-sim.h.
455 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::default_register_sim_regno::0
456 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
457 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
458 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
460 v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
461 v:1:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
462 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
463 v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx
464 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
465 v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1
466 v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END
467 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
468 v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1
469 v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
470 v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx
471 v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1:::0x%08lx
472 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
473 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
474 f:2:INIT_FRAME_PC_FIRST:void:init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_noop::0
475 f:2:INIT_FRAME_PC:void:init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_default::0
477 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
478 v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
479 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
480 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
482 f:1:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
483 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
484 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
485 # This function is called when the value of a pseudo-register needs to
486 # be updated. Typically it will be defined on a per-architecture
488 F:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:
489 # This function is called when the value of a pseudo-register needs to
490 # be set or stored. Typically it will be defined on a
491 # per-architecture basis.
492 F:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:
494 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, void *buf:type, buf:::unsigned_pointer_to_address::0
495 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
496 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
498 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
499 f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0
500 f:1: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::0:0
501 f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0
502 F:1:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
503 f:2:POP_FRAME:void:pop_frame:void:-:::0
505 f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
506 f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, char *valbuf:type, valbuf:::0
507 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:char *regbuf:regbuf:::0
508 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
510 f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0
511 F:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
513 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
514 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
515 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
516 f:2:BREAKPOINT_FROM_PC:unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
517 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
518 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
519 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
520 f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
521 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
523 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
525 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
526 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
527 f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
528 f:1:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
529 f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
530 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0
531 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:0
532 f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
533 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
535 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
536 v:1:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
537 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
538 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
539 v:2:PARM_BOUNDARY:int:parm_boundary
541 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)
542 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)
543 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::&floatformat_unknown
544 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
545 # On some machines there are bits in addresses which are not really
546 # part of the address, but are used by the kernel, the hardware, etc.
547 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
548 # we get a "real" address such as one would find in a symbol table.
549 # This is used only for addresses of instructions, and even then I'm
550 # not sure it's used in all contexts. It exists to deal with there
551 # being a few stray bits in the PC which would mislead us, not as some
552 # sort of generic thing to handle alignment or segmentation (it's
553 # possible it should be in TARGET_READ_PC instead).
554 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
555 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
556 # the target needs software single step. An ISA method to implement it.
558 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
559 # using the breakpoint system instead of blatting memory directly (as with rs6000).
561 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
562 # single step. If not, then implement single step using breakpoints.
563 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
564 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
565 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
566 # For SVR4 shared libraries, each call goes through a small piece of
567 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
568 # to nonzero if we are current stopped in one of these.
569 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
570 # A target might have problems with watchpoints as soon as the stack
571 # frame of the current function has been destroyed. This mostly happens
572 # as the first action in a funtion's epilogue. in_function_epilogue_p()
573 # is defined to return a non-zero value if either the given addr is one
574 # instruction after the stack destroying instruction up to the trailing
575 # return instruction or if we can figure out that the stack frame has
576 # already been invalidated regardless of the value of addr. Targets
577 # which don't suffer from that problem could just let this functionality
579 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
580 # Given a vector of command-line arguments, return a newly allocated
581 # string which, when passed to the create_inferior function, will be
582 # parsed (on Unix systems, by the shell) to yield the same vector.
583 # This function should call error() if the argument vector is not
584 # representable for this target or if this target does not support
585 # command-line arguments.
586 # ARGC is the number of elements in the vector.
587 # ARGV is an array of strings, one per argument.
588 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
589 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
596 exec > new-gdbarch.log
597 function_list |
while do_read
600 ${class} ${macro}(${actual})
601 ${returntype} ${function} ($formal)${attrib}
605 eval echo \"\ \ \ \
${r}=\
${${r}}\"
607 # #fallbackdefault=${fallbackdefault}
608 # #valid_p=${valid_p}
610 if class_is_predicate_p
&& fallback_default_p
612 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
616 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
618 echo "Error: postdefault is useless when invalid_p=0" 1>&2
622 if class_is_multiarch_p
624 if class_is_predicate_p
; then :
625 elif test "x${predefault}" = "x"
627 echo "Error: pure multi-arch function must have a predefault" 1>&2
636 compare_new gdbarch.log
642 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
644 /* Dynamic architecture support for GDB, the GNU debugger.
645 Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
647 This file is part of GDB.
649 This program is free software; you can redistribute it and/or modify
650 it under the terms of the GNU General Public License as published by
651 the Free Software Foundation; either version 2 of the License, or
652 (at your option) any later version.
654 This program is distributed in the hope that it will be useful,
655 but WITHOUT ANY WARRANTY; without even the implied warranty of
656 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
657 GNU General Public License for more details.
659 You should have received a copy of the GNU General Public License
660 along with this program; if not, write to the Free Software
661 Foundation, Inc., 59 Temple Place - Suite 330,
662 Boston, MA 02111-1307, USA. */
664 /* This file was created with the aid of \`\`gdbarch.sh''.
666 The Bourne shell script \`\`gdbarch.sh'' creates the files
667 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
668 against the existing \`\`gdbarch.[hc]''. Any differences found
671 If editing this file, please also run gdbarch.sh and merge any
672 changes into that script. Conversely, when making sweeping changes
673 to this file, modifying gdbarch.sh and using its output may prove
689 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
691 #include "value.h" /* For default_coerce_float_to_double which is referenced by a macro. */
698 extern struct gdbarch *current_gdbarch;
701 /* If any of the following are defined, the target wasn't correctly
705 #if defined (EXTRA_FRAME_INFO)
706 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
711 #if defined (FRAME_FIND_SAVED_REGS)
712 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
716 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
717 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
724 printf "/* The following are pre-initialized by GDBARCH. */\n"
725 function_list |
while do_read
730 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
731 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
732 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
733 printf "#error \"Non multi-arch definition of ${macro}\"\n"
735 printf "#if GDB_MULTI_ARCH\n"
736 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
737 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
746 printf "/* The following are initialized by the target dependent code. */\n"
747 function_list |
while do_read
749 if [ -n "${comment}" ]
751 echo "${comment}" |
sed \
756 if class_is_multiarch_p
758 if class_is_predicate_p
761 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
764 if class_is_predicate_p
767 printf "#if defined (${macro})\n"
768 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
769 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
770 printf "#if !defined (${macro}_P)\n"
771 printf "#define ${macro}_P() (1)\n"
775 printf "/* Default predicate for non- multi-arch targets. */\n"
776 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
777 printf "#define ${macro}_P() (0)\n"
780 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
781 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro}_P)\n"
782 printf "#error \"Non multi-arch definition of ${macro}\"\n"
784 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro}_P)\n"
785 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
789 if class_is_variable_p
791 if fallback_default_p || class_is_predicate_p
794 printf "/* Default (value) for non- multi-arch platforms. */\n"
795 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
796 echo "#define ${macro} (${fallbackdefault})" \
797 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
801 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
802 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
803 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
804 printf "#error \"Non multi-arch definition of ${macro}\"\n"
806 printf "#if GDB_MULTI_ARCH\n"
807 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
808 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
812 if class_is_function_p
814 if class_is_multiarch_p
; then :
815 elif fallback_default_p || class_is_predicate_p
818 printf "/* Default (function) for non- multi-arch platforms. */\n"
819 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
820 if [ "x${fallbackdefault}" = "x0" ]
822 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
824 # FIXME: Should be passing current_gdbarch through!
825 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
826 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
831 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
833 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
834 elif class_is_multiarch_p
836 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
838 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
840 if [ "x${formal}" = "xvoid" ]
842 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
844 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
846 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
847 if class_is_multiarch_p
; then :
849 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
850 printf "#error \"Non multi-arch definition of ${macro}\"\n"
852 printf "#if GDB_MULTI_ARCH\n"
853 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
854 if [ "x${actual}" = "x" ]
856 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
857 elif [ "x${actual}" = "x-" ]
859 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
861 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
872 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
875 /* Mechanism for co-ordinating the selection of a specific
878 GDB targets (*-tdep.c) can register an interest in a specific
879 architecture. Other GDB components can register a need to maintain
880 per-architecture data.
882 The mechanisms below ensures that there is only a loose connection
883 between the set-architecture command and the various GDB
884 components. Each component can independently register their need
885 to maintain architecture specific data with gdbarch.
889 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
892 The more traditional mega-struct containing architecture specific
893 data for all the various GDB components was also considered. Since
894 GDB is built from a variable number of (fairly independent)
895 components it was determined that the global aproach was not
899 /* Register a new architectural family with GDB.
901 Register support for the specified ARCHITECTURE with GDB. When
902 gdbarch determines that the specified architecture has been
903 selected, the corresponding INIT function is called.
907 The INIT function takes two parameters: INFO which contains the
908 information available to gdbarch about the (possibly new)
909 architecture; ARCHES which is a list of the previously created
910 \`\`struct gdbarch'' for this architecture.
912 The INIT function parameter INFO shall, as far as possible, be
913 pre-initialized with information obtained from INFO.ABFD or
914 previously selected architecture (if similar).
916 The INIT function shall return any of: NULL - indicating that it
917 doesn't recognize the selected architecture; an existing \`\`struct
918 gdbarch'' from the ARCHES list - indicating that the new
919 architecture is just a synonym for an earlier architecture (see
920 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
921 - that describes the selected architecture (see gdbarch_alloc()).
923 The DUMP_TDEP function shall print out all target specific values.
924 Care should be taken to ensure that the function works in both the
925 multi-arch and non- multi-arch cases. */
929 struct gdbarch *gdbarch;
930 struct gdbarch_list *next;
935 /* Use default: NULL (ZERO). */
936 const struct bfd_arch_info *bfd_arch_info;
938 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
941 /* Use default: NULL (ZERO). */
944 /* Use default: NULL (ZERO). */
945 struct gdbarch_tdep_info *tdep_info;
948 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
949 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
951 /* DEPRECATED - use gdbarch_register() */
952 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
954 extern void gdbarch_register (enum bfd_architecture architecture,
955 gdbarch_init_ftype *,
956 gdbarch_dump_tdep_ftype *);
959 /* Return a freshly allocated, NULL terminated, array of the valid
960 architecture names. Since architectures are registered during the
961 _initialize phase this function only returns useful information
962 once initialization has been completed. */
964 extern const char **gdbarch_printable_names (void);
967 /* Helper function. Search the list of ARCHES for a GDBARCH that
968 matches the information provided by INFO. */
970 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
973 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
974 basic initialization using values obtained from the INFO andTDEP
975 parameters. set_gdbarch_*() functions are called to complete the
976 initialization of the object. */
978 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
981 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
982 It is assumed that the caller freeds the \`\`struct
985 extern void gdbarch_free (struct gdbarch *);
988 /* Helper function. Force an update of the current architecture.
990 The actual architecture selected is determined by INFO, \`\`(gdb) set
991 architecture'' et.al., the existing architecture and BFD's default
992 architecture. INFO should be initialized to zero and then selected
993 fields should be updated.
995 Returns non-zero if the update succeeds */
997 extern int gdbarch_update_p (struct gdbarch_info info);
1001 /* Register per-architecture data-pointer.
1003 Reserve space for a per-architecture data-pointer. An identifier
1004 for the reserved data-pointer is returned. That identifer should
1005 be saved in a local static variable.
1007 The per-architecture data-pointer can be initialized in one of two
1008 ways: The value can be set explicitly using a call to
1009 set_gdbarch_data(); the value can be set implicitly using the value
1010 returned by a non-NULL INIT() callback. INIT(), when non-NULL is
1011 called after the basic architecture vector has been created.
1013 When a previously created architecture is re-selected, the
1014 per-architecture data-pointer for that previous architecture is
1015 restored. INIT() is not called.
1017 During initialization, multiple assignments of the data-pointer are
1018 allowed, non-NULL values are deleted by calling FREE(). If the
1019 architecture is deleted using gdbarch_free() all non-NULL data
1020 pointers are also deleted using FREE().
1022 Multiple registrarants for any architecture are allowed (and
1023 strongly encouraged). */
1025 struct gdbarch_data;
1027 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1028 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1030 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1031 gdbarch_data_free_ftype *free);
1032 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1033 struct gdbarch_data *data,
1036 extern void *gdbarch_data (struct gdbarch_data*);
1039 /* Register per-architecture memory region.
1041 Provide a memory-region swap mechanism. Per-architecture memory
1042 region are created. These memory regions are swapped whenever the
1043 architecture is changed. For a new architecture, the memory region
1044 is initialized with zero (0) and the INIT function is called.
1046 Memory regions are swapped / initialized in the order that they are
1047 registered. NULL DATA and/or INIT values can be specified.
1049 New code should use register_gdbarch_data(). */
1051 typedef void (gdbarch_swap_ftype) (void);
1052 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1053 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1057 /* The target-system-dependent byte order is dynamic */
1059 extern int target_byte_order;
1060 #ifndef TARGET_BYTE_ORDER
1061 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1064 extern int target_byte_order_auto;
1065 #ifndef TARGET_BYTE_ORDER_AUTO
1066 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1071 /* The target-system-dependent BFD architecture is dynamic */
1073 extern int target_architecture_auto;
1074 #ifndef TARGET_ARCHITECTURE_AUTO
1075 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1078 extern const struct bfd_arch_info *target_architecture;
1079 #ifndef TARGET_ARCHITECTURE
1080 #define TARGET_ARCHITECTURE (target_architecture + 0)
1084 /* The target-system-dependent disassembler is semi-dynamic */
1086 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1087 unsigned int len, disassemble_info *info);
1089 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1090 disassemble_info *info);
1092 extern void dis_asm_print_address (bfd_vma addr,
1093 disassemble_info *info);
1095 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1096 extern disassemble_info tm_print_insn_info;
1097 #ifndef TARGET_PRINT_INSN_INFO
1098 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1103 /* Set the dynamic target-system-dependent parameters (architecture,
1104 byte-order, ...) using information found in the BFD */
1106 extern void set_gdbarch_from_file (bfd *);
1109 /* Initialize the current architecture to the "first" one we find on
1112 extern void initialize_current_architecture (void);
1114 /* For non-multiarched targets, do any initialization of the default
1115 gdbarch object necessary after the _initialize_MODULE functions
1117 extern void initialize_non_multiarch ();
1119 /* gdbarch trace variable */
1120 extern int gdbarch_debug;
1122 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1127 #../move-if-change new-gdbarch.h gdbarch.h
1128 compare_new gdbarch.h
1135 exec > new-gdbarch.c
1140 #include "arch-utils.h"
1144 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1146 /* Just include everything in sight so that the every old definition
1147 of macro is visible. */
1148 #include "gdb_string.h"
1152 #include "inferior.h"
1153 #include "breakpoint.h"
1154 #include "gdb_wait.h"
1155 #include "gdbcore.h"
1158 #include "gdbthread.h"
1159 #include "annotate.h"
1160 #include "symfile.h" /* for overlay functions */
1161 #include "value.h" /* For old tm.h/nm.h macros. */
1165 #include "floatformat.h"
1167 #include "gdb_assert.h"
1168 #include "gdb-events.h"
1170 /* Static function declarations */
1172 static void verify_gdbarch (struct gdbarch *gdbarch);
1173 static void alloc_gdbarch_data (struct gdbarch *);
1174 static void init_gdbarch_data (struct gdbarch *);
1175 static void free_gdbarch_data (struct gdbarch *);
1176 static void init_gdbarch_swap (struct gdbarch *);
1177 static void swapout_gdbarch_swap (struct gdbarch *);
1178 static void swapin_gdbarch_swap (struct gdbarch *);
1180 /* Convenience macro for allocting typesafe memory. */
1183 #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
1187 /* Non-zero if we want to trace architecture code. */
1189 #ifndef GDBARCH_DEBUG
1190 #define GDBARCH_DEBUG 0
1192 int gdbarch_debug = GDBARCH_DEBUG;
1196 # gdbarch open the gdbarch object
1198 printf "/* Maintain the struct gdbarch object */\n"
1200 printf "struct gdbarch\n"
1202 printf " /* basic architectural information */\n"
1203 function_list |
while do_read
1207 printf " ${returntype} ${function};\n"
1211 printf " /* target specific vector. */\n"
1212 printf " struct gdbarch_tdep *tdep;\n"
1213 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1215 printf " /* per-architecture data-pointers */\n"
1216 printf " unsigned nr_data;\n"
1217 printf " void **data;\n"
1219 printf " /* per-architecture swap-regions */\n"
1220 printf " struct gdbarch_swap *swap;\n"
1223 /* Multi-arch values.
1225 When extending this structure you must:
1227 Add the field below.
1229 Declare set/get functions and define the corresponding
1232 gdbarch_alloc(): If zero/NULL is not a suitable default,
1233 initialize the new field.
1235 verify_gdbarch(): Confirm that the target updated the field
1238 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1241 \`\`startup_gdbarch()'': Append an initial value to the static
1242 variable (base values on the host's c-type system).
1244 get_gdbarch(): Implement the set/get functions (probably using
1245 the macro's as shortcuts).
1250 function_list |
while do_read
1252 if class_is_variable_p
1254 printf " ${returntype} ${function};\n"
1255 elif class_is_function_p
1257 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1262 # A pre-initialized vector
1266 /* The default architecture uses host values (for want of a better
1270 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1272 printf "struct gdbarch startup_gdbarch =\n"
1274 printf " /* basic architecture information */\n"
1275 function_list |
while do_read
1279 printf " ${staticdefault},\n"
1283 /* target specific vector and its dump routine */
1285 /*per-architecture data-pointers and swap regions */
1287 /* Multi-arch values */
1289 function_list |
while do_read
1291 if class_is_function_p || class_is_variable_p
1293 printf " ${staticdefault},\n"
1297 /* startup_gdbarch() */
1300 struct gdbarch *current_gdbarch = &startup_gdbarch;
1302 /* Do any initialization needed for a non-multiarch configuration
1303 after the _initialize_MODULE functions have been run. */
1305 initialize_non_multiarch ()
1307 alloc_gdbarch_data (&startup_gdbarch);
1308 init_gdbarch_data (&startup_gdbarch);
1312 # Create a new gdbarch struct
1316 /* Create a new \`\`struct gdbarch'' based on information provided by
1317 \`\`struct gdbarch_info''. */
1322 gdbarch_alloc (const struct gdbarch_info *info,
1323 struct gdbarch_tdep *tdep)
1325 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1326 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1327 the current local architecture and not the previous global
1328 architecture. This ensures that the new architectures initial
1329 values are not influenced by the previous architecture. Once
1330 everything is parameterised with gdbarch, this will go away. */
1331 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1332 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1334 alloc_gdbarch_data (current_gdbarch);
1336 current_gdbarch->tdep = tdep;
1339 function_list |
while do_read
1343 printf " current_gdbarch->${function} = info->${function};\n"
1347 printf " /* Force the explicit initialization of these. */\n"
1348 function_list |
while do_read
1350 if class_is_function_p || class_is_variable_p
1352 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1354 printf " current_gdbarch->${function} = ${predefault};\n"
1359 /* gdbarch_alloc() */
1361 return current_gdbarch;
1365 # Free a gdbarch struct.
1369 /* Free a gdbarch struct. This should never happen in normal
1370 operation --- once you've created a gdbarch, you keep it around.
1371 However, if an architecture's init function encounters an error
1372 building the structure, it may need to clean up a partially
1373 constructed gdbarch. */
1376 gdbarch_free (struct gdbarch *arch)
1378 gdb_assert (arch != NULL);
1379 free_gdbarch_data (arch);
1384 # verify a new architecture
1387 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1391 verify_gdbarch (struct gdbarch *gdbarch)
1393 struct ui_file *log;
1394 struct cleanup *cleanups;
1397 /* Only perform sanity checks on a multi-arch target. */
1398 if (!GDB_MULTI_ARCH)
1400 log = mem_fileopen ();
1401 cleanups = make_cleanup_ui_file_delete (log);
1403 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1404 fprintf_unfiltered (log, "\n\tbyte-order");
1405 if (gdbarch->bfd_arch_info == NULL)
1406 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1407 /* Check those that need to be defined for the given multi-arch level. */
1409 function_list |
while do_read
1411 if class_is_function_p || class_is_variable_p
1413 if [ "x${invalid_p}" = "x0" ]
1415 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1416 elif class_is_predicate_p
1418 printf " /* Skip verify of ${function}, has predicate */\n"
1419 # FIXME: See do_read for potential simplification
1420 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1422 printf " if (${invalid_p})\n"
1423 printf " gdbarch->${function} = ${postdefault};\n"
1424 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1426 printf " if (gdbarch->${function} == ${predefault})\n"
1427 printf " gdbarch->${function} = ${postdefault};\n"
1428 elif [ -n "${postdefault}" ]
1430 printf " if (gdbarch->${function} == 0)\n"
1431 printf " gdbarch->${function} = ${postdefault};\n"
1432 elif [ -n "${invalid_p}" ]
1434 printf " if ((GDB_MULTI_ARCH >= ${level})\n"
1435 printf " && (${invalid_p}))\n"
1436 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1437 elif [ -n "${predefault}" ]
1439 printf " if ((GDB_MULTI_ARCH >= ${level})\n"
1440 printf " && (gdbarch->${function} == ${predefault}))\n"
1441 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1446 buf = ui_file_xstrdup (log, &dummy);
1447 make_cleanup (xfree, buf);
1448 if (strlen (buf) > 0)
1449 internal_error (__FILE__, __LINE__,
1450 "verify_gdbarch: the following are invalid ...%s",
1452 do_cleanups (cleanups);
1456 # dump the structure
1460 /* Print out the details of the current architecture. */
1462 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1463 just happens to match the global variable \`\`current_gdbarch''. That
1464 way macros refering to that variable get the local and not the global
1465 version - ulgh. Once everything is parameterised with gdbarch, this
1469 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1471 fprintf_unfiltered (file,
1472 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1475 function_list |
sort -t: +2 |
while do_read
1477 # multiarch functions don't have macros.
1478 if class_is_multiarch_p
1480 printf " if (GDB_MULTI_ARCH)\n"
1481 printf " fprintf_unfiltered (file,\n"
1482 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1483 printf " (long) current_gdbarch->${function});\n"
1486 # Print the macro definition.
1487 printf "#ifdef ${macro}\n"
1488 if [ "x${returntype}" = "xvoid" ]
1490 printf "#if GDB_MULTI_ARCH\n"
1491 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1493 if class_is_function_p
1495 printf " fprintf_unfiltered (file,\n"
1496 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1497 printf " \"${macro}(${actual})\",\n"
1498 printf " XSTRING (${macro} (${actual})));\n"
1500 printf " fprintf_unfiltered (file,\n"
1501 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1502 printf " XSTRING (${macro}));\n"
1504 # Print the architecture vector value
1505 if [ "x${returntype}" = "xvoid" ]
1509 if [ "x${print_p}" = "x()" ]
1511 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1512 elif [ "x${print_p}" = "x0" ]
1514 printf " /* skip print of ${macro}, print_p == 0. */\n"
1515 elif [ -n "${print_p}" ]
1517 printf " if (${print_p})\n"
1518 printf " fprintf_unfiltered (file,\n"
1519 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1520 printf " ${print});\n"
1521 elif class_is_function_p
1523 printf " if (GDB_MULTI_ARCH)\n"
1524 printf " fprintf_unfiltered (file,\n"
1525 printf " \"gdbarch_dump: ${macro} = 0x%%08lx\\\\n\",\n"
1526 printf " (long) current_gdbarch->${function}\n"
1527 printf " /*${macro} ()*/);\n"
1529 printf " fprintf_unfiltered (file,\n"
1530 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1531 printf " ${print});\n"
1536 if (current_gdbarch->dump_tdep != NULL)
1537 current_gdbarch->dump_tdep (current_gdbarch, file);
1545 struct gdbarch_tdep *
1546 gdbarch_tdep (struct gdbarch *gdbarch)
1548 if (gdbarch_debug >= 2)
1549 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1550 return gdbarch->tdep;
1554 function_list |
while do_read
1556 if class_is_predicate_p
1560 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1562 if [ -n "${valid_p}" ]
1564 printf " return ${valid_p};\n"
1566 printf "#error \"gdbarch_${function}_p: not defined\"\n"
1570 if class_is_function_p
1573 printf "${returntype}\n"
1574 if [ "x${formal}" = "xvoid" ]
1576 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1578 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1581 printf " if (gdbarch->${function} == 0)\n"
1582 printf " internal_error (__FILE__, __LINE__,\n"
1583 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1584 printf " if (gdbarch_debug >= 2)\n"
1585 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1586 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1588 if class_is_multiarch_p
1595 if class_is_multiarch_p
1597 params
="gdbarch, ${actual}"
1602 if [ "x${returntype}" = "xvoid" ]
1604 printf " gdbarch->${function} (${params});\n"
1606 printf " return gdbarch->${function} (${params});\n"
1611 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1612 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1614 printf " gdbarch->${function} = ${function};\n"
1616 elif class_is_variable_p
1619 printf "${returntype}\n"
1620 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1622 if [ "x${invalid_p}" = "x0" ]
1624 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1625 elif [ -n "${invalid_p}" ]
1627 printf " if (${invalid_p})\n"
1628 printf " internal_error (__FILE__, __LINE__,\n"
1629 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1630 elif [ -n "${predefault}" ]
1632 printf " if (gdbarch->${function} == ${predefault})\n"
1633 printf " internal_error (__FILE__, __LINE__,\n"
1634 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1636 printf " if (gdbarch_debug >= 2)\n"
1637 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1638 printf " return gdbarch->${function};\n"
1642 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1643 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1645 printf " gdbarch->${function} = ${function};\n"
1647 elif class_is_info_p
1650 printf "${returntype}\n"
1651 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1653 printf " if (gdbarch_debug >= 2)\n"
1654 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1655 printf " return gdbarch->${function};\n"
1660 # All the trailing guff
1664 /* Keep a registry of per-architecture data-pointers required by GDB
1670 gdbarch_data_init_ftype *init;
1671 gdbarch_data_free_ftype *free;
1674 struct gdbarch_data_registration
1676 struct gdbarch_data *data;
1677 struct gdbarch_data_registration *next;
1680 struct gdbarch_data_registry
1683 struct gdbarch_data_registration *registrations;
1686 struct gdbarch_data_registry gdbarch_data_registry =
1691 struct gdbarch_data *
1692 register_gdbarch_data (gdbarch_data_init_ftype *init,
1693 gdbarch_data_free_ftype *free)
1695 struct gdbarch_data_registration **curr;
1696 for (curr = &gdbarch_data_registry.registrations;
1698 curr = &(*curr)->next);
1699 (*curr) = XMALLOC (struct gdbarch_data_registration);
1700 (*curr)->next = NULL;
1701 (*curr)->data = XMALLOC (struct gdbarch_data);
1702 (*curr)->data->index = gdbarch_data_registry.nr++;
1703 (*curr)->data->init = init;
1704 (*curr)->data->free = free;
1705 return (*curr)->data;
1709 /* Walk through all the registered users initializing each in turn. */
1712 init_gdbarch_data (struct gdbarch *gdbarch)
1714 struct gdbarch_data_registration *rego;
1715 for (rego = gdbarch_data_registry.registrations;
1719 struct gdbarch_data *data = rego->data;
1720 gdb_assert (data->index < gdbarch->nr_data);
1721 if (data->init != NULL)
1723 void *pointer = data->init (gdbarch);
1724 set_gdbarch_data (gdbarch, data, pointer);
1729 /* Create/delete the gdbarch data vector. */
1732 alloc_gdbarch_data (struct gdbarch *gdbarch)
1734 gdb_assert (gdbarch->data == NULL);
1735 gdbarch->nr_data = gdbarch_data_registry.nr;
1736 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1740 free_gdbarch_data (struct gdbarch *gdbarch)
1742 struct gdbarch_data_registration *rego;
1743 gdb_assert (gdbarch->data != NULL);
1744 for (rego = gdbarch_data_registry.registrations;
1748 struct gdbarch_data *data = rego->data;
1749 gdb_assert (data->index < gdbarch->nr_data);
1750 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1752 data->free (gdbarch, gdbarch->data[data->index]);
1753 gdbarch->data[data->index] = NULL;
1756 xfree (gdbarch->data);
1757 gdbarch->data = NULL;
1761 /* Initialize the current value of thee specified per-architecture
1765 set_gdbarch_data (struct gdbarch *gdbarch,
1766 struct gdbarch_data *data,
1769 gdb_assert (data->index < gdbarch->nr_data);
1770 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1771 data->free (gdbarch, gdbarch->data[data->index]);
1772 gdbarch->data[data->index] = pointer;
1775 /* Return the current value of the specified per-architecture
1779 gdbarch_data (struct gdbarch_data *data)
1781 gdb_assert (data->index < current_gdbarch->nr_data);
1782 return current_gdbarch->data[data->index];
1787 /* Keep a registry of swapped data required by GDB modules. */
1792 struct gdbarch_swap_registration *source;
1793 struct gdbarch_swap *next;
1796 struct gdbarch_swap_registration
1799 unsigned long sizeof_data;
1800 gdbarch_swap_ftype *init;
1801 struct gdbarch_swap_registration *next;
1804 struct gdbarch_swap_registry
1807 struct gdbarch_swap_registration *registrations;
1810 struct gdbarch_swap_registry gdbarch_swap_registry =
1816 register_gdbarch_swap (void *data,
1817 unsigned long sizeof_data,
1818 gdbarch_swap_ftype *init)
1820 struct gdbarch_swap_registration **rego;
1821 for (rego = &gdbarch_swap_registry.registrations;
1823 rego = &(*rego)->next);
1824 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1825 (*rego)->next = NULL;
1826 (*rego)->init = init;
1827 (*rego)->data = data;
1828 (*rego)->sizeof_data = sizeof_data;
1833 init_gdbarch_swap (struct gdbarch *gdbarch)
1835 struct gdbarch_swap_registration *rego;
1836 struct gdbarch_swap **curr = &gdbarch->swap;
1837 for (rego = gdbarch_swap_registry.registrations;
1841 if (rego->data != NULL)
1843 (*curr) = XMALLOC (struct gdbarch_swap);
1844 (*curr)->source = rego;
1845 (*curr)->swap = xmalloc (rego->sizeof_data);
1846 (*curr)->next = NULL;
1847 memset (rego->data, 0, rego->sizeof_data);
1848 curr = &(*curr)->next;
1850 if (rego->init != NULL)
1856 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1858 struct gdbarch_swap *curr;
1859 for (curr = gdbarch->swap;
1862 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1866 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1868 struct gdbarch_swap *curr;
1869 for (curr = gdbarch->swap;
1872 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1876 /* Keep a registry of the architectures known by GDB. */
1878 struct gdbarch_registration
1880 enum bfd_architecture bfd_architecture;
1881 gdbarch_init_ftype *init;
1882 gdbarch_dump_tdep_ftype *dump_tdep;
1883 struct gdbarch_list *arches;
1884 struct gdbarch_registration *next;
1887 static struct gdbarch_registration *gdbarch_registry = NULL;
1890 append_name (const char ***buf, int *nr, const char *name)
1892 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1898 gdbarch_printable_names (void)
1902 /* Accumulate a list of names based on the registed list of
1904 enum bfd_architecture a;
1906 const char **arches = NULL;
1907 struct gdbarch_registration *rego;
1908 for (rego = gdbarch_registry;
1912 const struct bfd_arch_info *ap;
1913 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
1915 internal_error (__FILE__, __LINE__,
1916 "gdbarch_architecture_names: multi-arch unknown");
1919 append_name (&arches, &nr_arches, ap->printable_name);
1924 append_name (&arches, &nr_arches, NULL);
1928 /* Just return all the architectures that BFD knows. Assume that
1929 the legacy architecture framework supports them. */
1930 return bfd_arch_list ();
1935 gdbarch_register (enum bfd_architecture bfd_architecture,
1936 gdbarch_init_ftype *init,
1937 gdbarch_dump_tdep_ftype *dump_tdep)
1939 struct gdbarch_registration **curr;
1940 const struct bfd_arch_info *bfd_arch_info;
1941 /* Check that BFD recognizes this architecture */
1942 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
1943 if (bfd_arch_info == NULL)
1945 internal_error (__FILE__, __LINE__,
1946 "gdbarch: Attempt to register unknown architecture (%d)",
1949 /* Check that we haven't seen this architecture before */
1950 for (curr = &gdbarch_registry;
1952 curr = &(*curr)->next)
1954 if (bfd_architecture == (*curr)->bfd_architecture)
1955 internal_error (__FILE__, __LINE__,
1956 "gdbarch: Duplicate registraration of architecture (%s)",
1957 bfd_arch_info->printable_name);
1961 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
1962 bfd_arch_info->printable_name,
1965 (*curr) = XMALLOC (struct gdbarch_registration);
1966 (*curr)->bfd_architecture = bfd_architecture;
1967 (*curr)->init = init;
1968 (*curr)->dump_tdep = dump_tdep;
1969 (*curr)->arches = NULL;
1970 (*curr)->next = NULL;
1971 /* When non- multi-arch, install whatever target dump routine we've
1972 been provided - hopefully that routine has been written correctly
1973 and works regardless of multi-arch. */
1974 if (!GDB_MULTI_ARCH && dump_tdep != NULL
1975 && startup_gdbarch.dump_tdep == NULL)
1976 startup_gdbarch.dump_tdep = dump_tdep;
1980 register_gdbarch_init (enum bfd_architecture bfd_architecture,
1981 gdbarch_init_ftype *init)
1983 gdbarch_register (bfd_architecture, init, NULL);
1987 /* Look for an architecture using gdbarch_info. Base search on only
1988 BFD_ARCH_INFO and BYTE_ORDER. */
1990 struct gdbarch_list *
1991 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
1992 const struct gdbarch_info *info)
1994 for (; arches != NULL; arches = arches->next)
1996 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
1998 if (info->byte_order != arches->gdbarch->byte_order)
2006 /* Update the current architecture. Return ZERO if the update request
2010 gdbarch_update_p (struct gdbarch_info info)
2012 struct gdbarch *new_gdbarch;
2013 struct gdbarch_list **list;
2014 struct gdbarch_registration *rego;
2016 /* Fill in missing parts of the INFO struct using a number of
2017 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2019 /* \`\`(gdb) set architecture ...'' */
2020 if (info.bfd_arch_info == NULL
2021 && !TARGET_ARCHITECTURE_AUTO)
2022 info.bfd_arch_info = TARGET_ARCHITECTURE;
2023 if (info.bfd_arch_info == NULL
2024 && info.abfd != NULL
2025 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2026 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2027 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2028 if (info.bfd_arch_info == NULL)
2029 info.bfd_arch_info = TARGET_ARCHITECTURE;
2031 /* \`\`(gdb) set byte-order ...'' */
2032 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2033 && !TARGET_BYTE_ORDER_AUTO)
2034 info.byte_order = TARGET_BYTE_ORDER;
2035 /* From the INFO struct. */
2036 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2037 && info.abfd != NULL)
2038 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2039 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2040 : BFD_ENDIAN_UNKNOWN);
2041 /* From the current target. */
2042 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2043 info.byte_order = TARGET_BYTE_ORDER;
2045 /* Must have found some sort of architecture. */
2046 gdb_assert (info.bfd_arch_info != NULL);
2050 fprintf_unfiltered (gdb_stdlog,
2051 "gdbarch_update: info.bfd_arch_info %s\n",
2052 (info.bfd_arch_info != NULL
2053 ? info.bfd_arch_info->printable_name
2055 fprintf_unfiltered (gdb_stdlog,
2056 "gdbarch_update: info.byte_order %d (%s)\n",
2058 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2059 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2061 fprintf_unfiltered (gdb_stdlog,
2062 "gdbarch_update: info.abfd 0x%lx\n",
2064 fprintf_unfiltered (gdb_stdlog,
2065 "gdbarch_update: info.tdep_info 0x%lx\n",
2066 (long) info.tdep_info);
2069 /* Find the target that knows about this architecture. */
2070 for (rego = gdbarch_registry;
2073 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2078 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2082 /* Ask the target for a replacement architecture. */
2083 new_gdbarch = rego->init (info, rego->arches);
2085 /* Did the target like it? No. Reject the change. */
2086 if (new_gdbarch == NULL)
2089 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2093 /* Did the architecture change? No. Do nothing. */
2094 if (current_gdbarch == new_gdbarch)
2097 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2099 new_gdbarch->bfd_arch_info->printable_name);
2103 /* Swap all data belonging to the old target out */
2104 swapout_gdbarch_swap (current_gdbarch);
2106 /* Is this a pre-existing architecture? Yes. Swap it in. */
2107 for (list = ®o->arches;
2109 list = &(*list)->next)
2111 if ((*list)->gdbarch == new_gdbarch)
2114 fprintf_unfiltered (gdb_stdlog,
2115 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\\n",
2117 new_gdbarch->bfd_arch_info->printable_name);
2118 current_gdbarch = new_gdbarch;
2119 swapin_gdbarch_swap (new_gdbarch);
2120 architecture_changed_event ();
2125 /* Append this new architecture to this targets list. */
2126 (*list) = XMALLOC (struct gdbarch_list);
2127 (*list)->next = NULL;
2128 (*list)->gdbarch = new_gdbarch;
2130 /* Switch to this new architecture. Dump it out. */
2131 current_gdbarch = new_gdbarch;
2134 fprintf_unfiltered (gdb_stdlog,
2135 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2137 new_gdbarch->bfd_arch_info->printable_name);
2140 /* Check that the newly installed architecture is valid. Plug in
2141 any post init values. */
2142 new_gdbarch->dump_tdep = rego->dump_tdep;
2143 verify_gdbarch (new_gdbarch);
2145 /* Initialize the per-architecture memory (swap) areas.
2146 CURRENT_GDBARCH must be update before these modules are
2148 init_gdbarch_swap (new_gdbarch);
2150 /* Initialize the per-architecture data-pointer of all parties that
2151 registered an interest in this architecture. CURRENT_GDBARCH
2152 must be updated before these modules are called. */
2153 init_gdbarch_data (new_gdbarch);
2154 architecture_changed_event ();
2157 gdbarch_dump (current_gdbarch, gdb_stdlog);
2165 /* Pointer to the target-dependent disassembly function. */
2166 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2167 disassemble_info tm_print_insn_info;
2170 extern void _initialize_gdbarch (void);
2173 _initialize_gdbarch (void)
2175 struct cmd_list_element *c;
2177 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2178 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2179 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2180 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2181 tm_print_insn_info.print_address_func = dis_asm_print_address;
2183 add_show_from_set (add_set_cmd ("arch",
2186 (char *)&gdbarch_debug,
2187 "Set architecture debugging.\\n\\
2188 When non-zero, architecture debugging is enabled.", &setdebuglist),
2190 c = add_set_cmd ("archdebug",
2193 (char *)&gdbarch_debug,
2194 "Set architecture debugging.\\n\\
2195 When non-zero, architecture debugging is enabled.", &setlist);
2197 deprecate_cmd (c, "set debug arch");
2198 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2204 #../move-if-change new-gdbarch.c gdbarch.c
2205 compare_new gdbarch.c