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}}\" = \"\
\"
79 test "${staticdefault}" || staticdefault
=0
80 # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
81 # multi-arch defaults.
82 # test "${predefault}" || predefault=0
83 test "${fmt}" ||
fmt="%ld"
84 test "${print}" || print
="(long) ${macro}"
85 case "${invalid_p}" in
88 if [ -n "${predefault}" ]
90 #invalid_p="gdbarch->${function} == ${predefault}"
91 valid_p
="gdbarch->${function} != ${predefault}"
93 #invalid_p="gdbarch->${function} == 0"
94 valid_p
="gdbarch->${function} != 0"
97 * ) valid_p
="!(${invalid_p})"
100 # PREDEFAULT is a valid fallback definition of MEMBER when
101 # multi-arch is not enabled. This ensures that the
102 # default value, when multi-arch is the same as the
103 # default value when not multi-arch. POSTDEFAULT is
104 # always a valid definition of MEMBER as this again
105 # ensures consistency.
107 if [ -n "${postdefault}" ]
109 fallbackdefault
="${postdefault}"
110 elif [ -n "${predefault}" ]
112 fallbackdefault
="${predefault}"
117 #NOT YET: See gdbarch.log for basic verification of
132 fallback_default_p
()
134 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
135 ||
[ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
138 class_is_variable_p
()
146 class_is_function_p
()
149 *f
* |
*F
* |
*m
* |
*M
* ) true
;;
154 class_is_multiarch_p
()
162 class_is_predicate_p
()
165 *F
* |
*V
* |
*M
* ) true
;;
179 # dump out/verify the doco
189 # F -> function + predicate
190 # hiding a function + predicate to test function validity
193 # V -> variable + predicate
194 # hiding a variable + predicate to test variables validity
196 # hiding something from the ``struct info'' object
197 # m -> multi-arch function
198 # hiding a multi-arch function (parameterised with the architecture)
199 # M -> multi-arch function + predicate
200 # hiding a multi-arch function + predicate to test function validity
204 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
205 # LEVEL is a predicate on checking that a given method is
206 # initialized (using INVALID_P).
210 # The name of the MACRO that this method is to be accessed by.
214 # For functions, the return type; for variables, the data type
218 # For functions, the member function name; for variables, the
219 # variable name. Member function names are always prefixed with
220 # ``gdbarch_'' for name-space purity.
224 # The formal argument list. It is assumed that the formal
225 # argument list includes the actual name of each list element.
226 # A function with no arguments shall have ``void'' as the
227 # formal argument list.
231 # The list of actual arguments. The arguments specified shall
232 # match the FORMAL list given above. Functions with out
233 # arguments leave this blank.
237 # Any GCC attributes that should be attached to the function
238 # declaration. At present this field is unused.
242 # To help with the GDB startup a static gdbarch object is
243 # created. STATICDEFAULT is the value to insert into that
244 # static gdbarch object. Since this a static object only
245 # simple expressions can be used.
247 # If STATICDEFAULT is empty, zero is used.
251 # An initial value to assign to MEMBER of the freshly
252 # malloc()ed gdbarch object. After initialization, the
253 # freshly malloc()ed object is passed to the target
254 # architecture code for further updates.
256 # If PREDEFAULT is empty, zero is used.
258 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
259 # INVALID_P are specified, PREDEFAULT will be used as the
260 # default for the non- multi-arch target.
262 # A zero PREDEFAULT function will force the fallback to call
265 # Variable declarations can refer to ``gdbarch'' which will
266 # contain the current architecture. Care should be taken.
270 # A value to assign to MEMBER of the new gdbarch object should
271 # the target architecture code fail to change the PREDEFAULT
274 # If POSTDEFAULT is empty, no post update is performed.
276 # If both INVALID_P and POSTDEFAULT are non-empty then
277 # INVALID_P will be used to determine if MEMBER should be
278 # changed to POSTDEFAULT.
280 # If a non-empty POSTDEFAULT and a zero INVALID_P are
281 # specified, POSTDEFAULT will be used as the default for the
282 # non- multi-arch target (regardless of the value of
285 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
287 # Variable declarations can refer to ``gdbarch'' which will
288 # contain the current architecture. Care should be taken.
292 # A predicate equation that validates MEMBER. Non-zero is
293 # returned if the code creating the new architecture failed to
294 # initialize MEMBER or the initialized the member is invalid.
295 # If POSTDEFAULT is non-empty then MEMBER will be updated to
296 # that value. If POSTDEFAULT is empty then internal_error()
299 # If INVALID_P is empty, a check that MEMBER is no longer
300 # equal to PREDEFAULT is used.
302 # The expression ``0'' disables the INVALID_P check making
303 # PREDEFAULT a legitimate value.
305 # See also PREDEFAULT and POSTDEFAULT.
309 # printf style format string that can be used to print out the
310 # MEMBER. Sometimes "%s" is useful. For functions, this is
311 # ignored and the function address is printed.
313 # If FMT is empty, ``%ld'' is used.
317 # An optional equation that casts MEMBER to a value suitable
318 # for formatting by FMT.
320 # If PRINT is empty, ``(long)'' is used.
324 # An optional indicator for any predicte to wrap around the
327 # () -> Call a custom function to do the dump.
328 # exp -> Wrap print up in ``if (${print_p}) ...
329 # ``'' -> No predicate
331 # If PRINT_P is empty, ``1'' is always used.
344 # See below (DOCO) for description of each field
346 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
348 i:2:TARGET_BYTE_ORDER:int:byte_order::::BIG_ENDIAN
349 # Number of bits in a char or unsigned char for the target machine.
350 # Just like CHAR_BIT in <limits.h> but describes the target machine.
351 # v::TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
353 # Number of bits in a short or unsigned short for the target machine.
354 v::TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
355 # Number of bits in an int or unsigned int for the target machine.
356 v::TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
357 # Number of bits in a long or unsigned long for the target machine.
358 v::TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
359 # Number of bits in a long long or unsigned long long for the target
361 v::TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
362 # Number of bits in a float for the target machine.
363 v::TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
364 # Number of bits in a double for the target machine.
365 v::TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
366 # Number of bits in a long double for the target machine.
367 v::TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):2*TARGET_DOUBLE_BIT::0
368 # For most targets, a pointer on the target and its representation as an
369 # address in GDB have the same size and "look the same". For such a
370 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
371 # / addr_bit will be set from it.
373 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
374 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
376 # ptr_bit is the size of a pointer on the target
377 v::TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
378 # addr_bit is the size of a target address as represented in gdb
379 v::TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
380 # Number of bits in a BFD_VMA for the target object file format.
381 v::TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
383 v::IEEE_FLOAT:int:ieee_float::::0:0::0:::
385 f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
386 f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
387 f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
388 f::TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:generic_target_write_fp::0
389 f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
390 f::TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
391 # Function for getting target's idea of a frame pointer. FIXME: GDB's
392 # whole scheme for dealing with "frames" and "frame pointers" needs a
394 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
396 M:::void:register_read:int regnum, char *buf:regnum, buf:
397 M:::void:register_write:int regnum, char *buf:regnum, buf:
399 v:2:NUM_REGS:int:num_regs::::0:-1
400 # This macro gives the number of pseudo-registers that live in the
401 # register namespace but do not get fetched or stored on the target.
402 # These pseudo-registers may be aliases for other registers,
403 # combinations of other registers, or they may be computed by GDB.
404 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
405 v:2:SP_REGNUM:int:sp_regnum::::0:-1
406 v:2:FP_REGNUM:int:fp_regnum::::0:-1
407 v:2:PC_REGNUM:int:pc_regnum::::0:-1
408 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
409 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
410 v:2:NNPC_REGNUM:int:nnpc_regnum::::0:-1::0
411 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
412 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
413 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
414 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
415 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
416 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
417 # Convert from an sdb register number to an internal gdb register number.
418 # This should be defined in tm.h, if REGISTER_NAMES is not set up
419 # to map one to one onto the sdb register numbers.
420 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
421 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
422 f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name::0
423 v:2:REGISTER_SIZE:int:register_size::::0:-1
424 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
425 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::0:0
426 f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::0:0
427 v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1
428 f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::0:0
429 v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1
430 f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
431 f:2:DO_REGISTERS_INFO:void:do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs:::do_registers_info::0
432 # MAP a GDB RAW register number onto a simulator register number. See
433 # also include/...-sim.h.
434 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::default_register_sim_regno::0
435 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
436 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
437 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
439 v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
440 v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
441 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
442 v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx
443 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
444 v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1
445 v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END
446 f:2: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
447 v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1
448 v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
449 v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx
450 v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1:::0x%08lx
451 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
452 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
453 f:2:INIT_FRAME_PC_FIRST:void:init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_noop::0
454 f:2:INIT_FRAME_PC:void:init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev:::init_frame_pc_default::0
456 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
457 v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
458 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
459 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
461 f:1:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
462 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
463 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
464 # This function is called when the value of a pseudo-register needs to
465 # be updated. Typically it will be defined on a per-architecture
467 f:2:FETCH_PSEUDO_REGISTER:void:fetch_pseudo_register:int regnum:regnum:::0::0
468 # This function is called when the value of a pseudo-register needs to
469 # be set or stored. Typically it will be defined on a
470 # per-architecture basis.
471 f:2:STORE_PSEUDO_REGISTER:void:store_pseudo_register:int regnum:regnum:::0::0
473 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, void *buf:type, buf:::unsigned_pointer_to_address::0
474 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
475 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
477 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
478 f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf::0:0
479 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
480 f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0
481 f:1:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
482 f:2:POP_FRAME:void:pop_frame:void:-:::0
484 f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
485 f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, char *valbuf:type, valbuf:::0
486 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:char *regbuf:regbuf:::0
487 f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::0
489 f:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame::0:0
490 f:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
492 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
493 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
494 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
495 f:2:BREAKPOINT_FROM_PC:unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
496 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
497 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
498 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
499 f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
500 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
502 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
504 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
505 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
506 f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
507 f:1:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
508 f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
509 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:0
510 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:0
511 f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
512 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
514 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
515 v:1:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
516 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
517 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
518 v:2:PARM_BOUNDARY:int:parm_boundary
520 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)
521 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)
522 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::&floatformat_unknown
523 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
524 # On some machines there are bits in addresses which are not really
525 # part of the address, but are used by the kernel, the hardware, etc.
526 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
527 # we get a "real" address such as one would find in a symbol table.
528 # This is used only for addresses of instructions, and even then I'm
529 # not sure it's used in all contexts. It exists to deal with there
530 # being a few stray bits in the PC which would mislead us, not as some
531 # sort of generic thing to handle alignment or segmentation (it's
532 # possible it should be in TARGET_READ_PC instead).
533 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
534 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
535 # the target needs software single step. An ISA method to implement it.
537 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
538 # using the breakpoint system instead of blatting memory directly (as with rs6000).
540 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
541 # single step. If not, then implement single step using breakpoints.
542 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
543 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
544 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
551 exec > new-gdbarch.log
552 function_list |
while do_read
555 ${class} ${macro}(${actual})
556 ${returntype} ${function} ($formal)${attrib}
560 eval echo \"\ \ \ \
${r}=\
${${r}}\"
562 # #fallbackdefault=${fallbackdefault}
563 # #valid_p=${valid_p}
565 if class_is_predicate_p
&& fallback_default_p
567 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
571 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
573 echo "Error: postdefault is useless when invalid_p=0" 1>&2
581 compare_new gdbarch.log
587 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
589 /* Dynamic architecture support for GDB, the GNU debugger.
590 Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
592 This file is part of GDB.
594 This program is free software; you can redistribute it and/or modify
595 it under the terms of the GNU General Public License as published by
596 the Free Software Foundation; either version 2 of the License, or
597 (at your option) any later version.
599 This program is distributed in the hope that it will be useful,
600 but WITHOUT ANY WARRANTY; without even the implied warranty of
601 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
602 GNU General Public License for more details.
604 You should have received a copy of the GNU General Public License
605 along with this program; if not, write to the Free Software
606 Foundation, Inc., 59 Temple Place - Suite 330,
607 Boston, MA 02111-1307, USA. */
609 /* This file was created with the aid of \`\`gdbarch.sh''.
611 The Bourne shell script \`\`gdbarch.sh'' creates the files
612 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
613 against the existing \`\`gdbarch.[hc]''. Any differences found
616 If editing this file, please also run gdbarch.sh and merge any
617 changes into that script. Conversely, when making sweeping changes
618 to this file, modifying gdbarch.sh and using its output may prove
634 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
640 extern struct gdbarch *current_gdbarch;
643 /* If any of the following are defined, the target wasn't correctly
647 #if defined (EXTRA_FRAME_INFO)
648 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
653 #if defined (FRAME_FIND_SAVED_REGS)
654 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
658 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
659 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
666 printf "/* The following are pre-initialized by GDBARCH. */\n"
667 function_list |
while do_read
672 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
673 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
674 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
675 printf "#error \"Non multi-arch definition of ${macro}\"\n"
677 printf "#if GDB_MULTI_ARCH\n"
678 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
679 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
688 printf "/* The following are initialized by the target dependent code. */\n"
689 function_list |
while do_read
691 if [ -n "${comment}" ]
693 echo "${comment}" |
sed \
698 if class_is_multiarch_p
700 if class_is_predicate_p
703 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
706 if class_is_predicate_p
709 printf "#if defined (${macro})\n"
710 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
711 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
712 printf "#if !defined (${macro}_P)\n"
713 printf "#define ${macro}_P() (1)\n"
717 printf "/* Default predicate for non- multi-arch targets. */\n"
718 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
719 printf "#define ${macro}_P() (0)\n"
722 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
723 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro}_P)\n"
724 printf "#error \"Non multi-arch definition of ${macro}\"\n"
726 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro}_P)\n"
727 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
731 if class_is_variable_p
733 if fallback_default_p || class_is_predicate_p
736 printf "/* Default (value) for non- multi-arch platforms. */\n"
737 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
738 echo "#define ${macro} (${fallbackdefault})" \
739 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
743 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
744 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
745 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
746 printf "#error \"Non multi-arch definition of ${macro}\"\n"
748 printf "#if GDB_MULTI_ARCH\n"
749 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
750 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
754 if class_is_function_p
756 if class_is_multiarch_p
; then :
757 elif fallback_default_p || class_is_predicate_p
760 printf "/* Default (function) for non- multi-arch platforms. */\n"
761 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
762 if [ "x${fallbackdefault}" = "x0" ]
764 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
766 # FIXME: Should be passing current_gdbarch through!
767 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
768 |
sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
773 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
775 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
776 elif class_is_multiarch_p
778 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
780 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
782 if [ "x${formal}" = "xvoid" ]
784 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
786 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
788 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
789 if class_is_multiarch_p
; then :
791 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
792 printf "#error \"Non multi-arch definition of ${macro}\"\n"
794 printf "#if GDB_MULTI_ARCH\n"
795 printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
796 if [ "x${actual}" = "x" ]
798 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
799 elif [ "x${actual}" = "x-" ]
801 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
803 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
814 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
817 /* Mechanism for co-ordinating the selection of a specific
820 GDB targets (*-tdep.c) can register an interest in a specific
821 architecture. Other GDB components can register a need to maintain
822 per-architecture data.
824 The mechanisms below ensures that there is only a loose connection
825 between the set-architecture command and the various GDB
826 components. Each component can independently register their need
827 to maintain architecture specific data with gdbarch.
831 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
834 The more traditional mega-struct containing architecture specific
835 data for all the various GDB components was also considered. Since
836 GDB is built from a variable number of (fairly independent)
837 components it was determined that the global aproach was not
841 /* Register a new architectural family with GDB.
843 Register support for the specified ARCHITECTURE with GDB. When
844 gdbarch determines that the specified architecture has been
845 selected, the corresponding INIT function is called.
849 The INIT function takes two parameters: INFO which contains the
850 information available to gdbarch about the (possibly new)
851 architecture; ARCHES which is a list of the previously created
852 \`\`struct gdbarch'' for this architecture.
854 The INIT function parameter INFO shall, as far as possible, be
855 pre-initialized with information obtained from INFO.ABFD or
856 previously selected architecture (if similar). INIT shall ensure
857 that the INFO.BYTE_ORDER is non-zero.
859 The INIT function shall return any of: NULL - indicating that it
860 doesn't recognize the selected architecture; an existing \`\`struct
861 gdbarch'' from the ARCHES list - indicating that the new
862 architecture is just a synonym for an earlier architecture (see
863 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
864 - that describes the selected architecture (see gdbarch_alloc()).
866 The DUMP_TDEP function shall print out all target specific values.
867 Care should be taken to ensure that the function works in both the
868 multi-arch and non- multi-arch cases. */
872 struct gdbarch *gdbarch;
873 struct gdbarch_list *next;
878 /* Use default: NULL (ZERO). */
879 const struct bfd_arch_info *bfd_arch_info;
881 /* Use default: 0 (ZERO). */
884 /* Use default: NULL (ZERO). */
887 /* Use default: NULL (ZERO). */
888 struct gdbarch_tdep_info *tdep_info;
891 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
892 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
894 /* DEPRECATED - use gdbarch_register() */
895 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
897 extern void gdbarch_register (enum bfd_architecture architecture,
898 gdbarch_init_ftype *,
899 gdbarch_dump_tdep_ftype *);
902 /* Return a freshly allocated, NULL terminated, array of the valid
903 architecture names. Since architectures are registered during the
904 _initialize phase this function only returns useful information
905 once initialization has been completed. */
907 extern const char **gdbarch_printable_names (void);
910 /* Helper function. Search the list of ARCHES for a GDBARCH that
911 matches the information provided by INFO. */
913 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
916 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
917 basic initialization using values obtained from the INFO andTDEP
918 parameters. set_gdbarch_*() functions are called to complete the
919 initialization of the object. */
921 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
924 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
925 It is assumed that the caller freeds the \`\`struct
928 extern void gdbarch_free (struct gdbarch *);
931 /* Helper function. Force an update of the current architecture.
933 The actual architecture selected is determined by INFO, \`\`(gdb) set
934 architecture'' et.al., the existing architecture and BFD's default
935 architecture. INFO should be initialized to zero and then selected
936 fields should be updated.
938 Returns non-zero if the update succeeds */
940 extern int gdbarch_update_p (struct gdbarch_info info);
944 /* Register per-architecture data-pointer.
946 Reserve space for a per-architecture data-pointer. An identifier
947 for the reserved data-pointer is returned. That identifer should
948 be saved in a local static variable.
950 The per-architecture data-pointer can be initialized in one of two
951 ways: The value can be set explicitly using a call to
952 set_gdbarch_data(); the value can be set implicitly using the value
953 returned by a non-NULL INIT() callback. INIT(), when non-NULL is
954 called after the basic architecture vector has been created.
956 When a previously created architecture is re-selected, the
957 per-architecture data-pointer for that previous architecture is
958 restored. INIT() is not called.
960 During initialization, multiple assignments of the data-pointer are
961 allowed, non-NULL values are deleted by calling FREE(). If the
962 architecture is deleted using gdbarch_free() all non-NULL data
963 pointers are also deleted using FREE().
965 Multiple registrarants for any architecture are allowed (and
966 strongly encouraged). */
970 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
971 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
973 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
974 gdbarch_data_free_ftype *free);
975 extern void set_gdbarch_data (struct gdbarch *gdbarch,
976 struct gdbarch_data *data,
979 extern void *gdbarch_data (struct gdbarch_data*);
982 /* Register per-architecture memory region.
984 Provide a memory-region swap mechanism. Per-architecture memory
985 region are created. These memory regions are swapped whenever the
986 architecture is changed. For a new architecture, the memory region
987 is initialized with zero (0) and the INIT function is called.
989 Memory regions are swapped / initialized in the order that they are
990 registered. NULL DATA and/or INIT values can be specified.
992 New code should use register_gdbarch_data(). */
994 typedef void (gdbarch_swap_ftype) (void);
995 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
996 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1000 /* The target-system-dependent byte order is dynamic */
1002 /* TARGET_BYTE_ORDER_SELECTABLE_P determines if the target endianness
1003 is selectable at runtime. The user can use the \`\`set endian''
1004 command to change it. TARGET_BYTE_ORDER_AUTO is nonzero when
1005 target_byte_order should be auto-detected (from the program image
1009 /* Multi-arch GDB is always bi-endian. */
1010 #define TARGET_BYTE_ORDER_SELECTABLE_P 1
1013 #ifndef TARGET_BYTE_ORDER_SELECTABLE_P
1014 /* compat - Catch old targets that define TARGET_BYTE_ORDER_SLECTABLE
1015 when they should have defined TARGET_BYTE_ORDER_SELECTABLE_P 1 */
1016 #ifdef TARGET_BYTE_ORDER_SELECTABLE
1017 #define TARGET_BYTE_ORDER_SELECTABLE_P 1
1019 #define TARGET_BYTE_ORDER_SELECTABLE_P 0
1023 extern int target_byte_order;
1024 #ifdef TARGET_BYTE_ORDER_SELECTABLE
1025 /* compat - Catch old targets that define TARGET_BYTE_ORDER_SELECTABLE
1026 and expect defs.h to re-define TARGET_BYTE_ORDER. */
1027 #undef TARGET_BYTE_ORDER
1029 #ifndef TARGET_BYTE_ORDER
1030 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1033 extern int target_byte_order_auto;
1034 #ifndef TARGET_BYTE_ORDER_AUTO
1035 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1040 /* The target-system-dependent BFD architecture is dynamic */
1042 extern int target_architecture_auto;
1043 #ifndef TARGET_ARCHITECTURE_AUTO
1044 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1047 extern const struct bfd_arch_info *target_architecture;
1048 #ifndef TARGET_ARCHITECTURE
1049 #define TARGET_ARCHITECTURE (target_architecture + 0)
1053 /* The target-system-dependent disassembler is semi-dynamic */
1055 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1056 unsigned int len, disassemble_info *info);
1058 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1059 disassemble_info *info);
1061 extern void dis_asm_print_address (bfd_vma addr,
1062 disassemble_info *info);
1064 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1065 extern disassemble_info tm_print_insn_info;
1066 #ifndef TARGET_PRINT_INSN_INFO
1067 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1072 /* Set the dynamic target-system-dependent parameters (architecture,
1073 byte-order, ...) using information found in the BFD */
1075 extern void set_gdbarch_from_file (bfd *);
1078 /* Initialize the current architecture to the "first" one we find on
1081 extern void initialize_current_architecture (void);
1083 /* For non-multiarched targets, do any initialization of the default
1084 gdbarch object necessary after the _initialize_MODULE functions
1086 extern void initialize_non_multiarch ();
1088 /* gdbarch trace variable */
1089 extern int gdbarch_debug;
1091 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1096 #../move-if-change new-gdbarch.h gdbarch.h
1097 compare_new gdbarch.h
1104 exec > new-gdbarch.c
1109 #include "arch-utils.h"
1113 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1115 /* Just include everything in sight so that the every old definition
1116 of macro is visible. */
1117 #include "gdb_string.h"
1121 #include "inferior.h"
1122 #include "breakpoint.h"
1123 #include "gdb_wait.h"
1124 #include "gdbcore.h"
1127 #include "gdbthread.h"
1128 #include "annotate.h"
1129 #include "symfile.h" /* for overlay functions */
1133 #include "floatformat.h"
1135 #include "gdb_assert.h"
1136 #include "gdb-events.h"
1138 /* Static function declarations */
1140 static void verify_gdbarch (struct gdbarch *gdbarch);
1141 static void alloc_gdbarch_data (struct gdbarch *);
1142 static void init_gdbarch_data (struct gdbarch *);
1143 static void free_gdbarch_data (struct gdbarch *);
1144 static void init_gdbarch_swap (struct gdbarch *);
1145 static void swapout_gdbarch_swap (struct gdbarch *);
1146 static void swapin_gdbarch_swap (struct gdbarch *);
1148 /* Convenience macro for allocting typesafe memory. */
1151 #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE))
1155 /* Non-zero if we want to trace architecture code. */
1157 #ifndef GDBARCH_DEBUG
1158 #define GDBARCH_DEBUG 0
1160 int gdbarch_debug = GDBARCH_DEBUG;
1164 # gdbarch open the gdbarch object
1166 printf "/* Maintain the struct gdbarch object */\n"
1168 printf "struct gdbarch\n"
1170 printf " /* basic architectural information */\n"
1171 function_list |
while do_read
1175 printf " ${returntype} ${function};\n"
1179 printf " /* target specific vector. */\n"
1180 printf " struct gdbarch_tdep *tdep;\n"
1181 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1183 printf " /* per-architecture data-pointers */\n"
1184 printf " unsigned nr_data;\n"
1185 printf " void **data;\n"
1187 printf " /* per-architecture swap-regions */\n"
1188 printf " struct gdbarch_swap *swap;\n"
1191 /* Multi-arch values.
1193 When extending this structure you must:
1195 Add the field below.
1197 Declare set/get functions and define the corresponding
1200 gdbarch_alloc(): If zero/NULL is not a suitable default,
1201 initialize the new field.
1203 verify_gdbarch(): Confirm that the target updated the field
1206 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1209 \`\`startup_gdbarch()'': Append an initial value to the static
1210 variable (base values on the host's c-type system).
1212 get_gdbarch(): Implement the set/get functions (probably using
1213 the macro's as shortcuts).
1218 function_list |
while do_read
1220 if class_is_variable_p
1222 printf " ${returntype} ${function};\n"
1223 elif class_is_function_p
1225 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1230 # A pre-initialized vector
1234 /* The default architecture uses host values (for want of a better
1238 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1240 printf "struct gdbarch startup_gdbarch =\n"
1242 printf " /* basic architecture information */\n"
1243 function_list |
while do_read
1247 printf " ${staticdefault},\n"
1251 /* target specific vector and its dump routine */
1253 /*per-architecture data-pointers and swap regions */
1255 /* Multi-arch values */
1257 function_list |
while do_read
1259 if class_is_function_p || class_is_variable_p
1261 printf " ${staticdefault},\n"
1265 /* startup_gdbarch() */
1268 struct gdbarch *current_gdbarch = &startup_gdbarch;
1270 /* Do any initialization needed for a non-multiarch configuration
1271 after the _initialize_MODULE functions have been run. */
1273 initialize_non_multiarch ()
1275 alloc_gdbarch_data (&startup_gdbarch);
1276 init_gdbarch_data (&startup_gdbarch);
1280 # Create a new gdbarch struct
1284 /* Create a new \`\`struct gdbarch'' based on information provided by
1285 \`\`struct gdbarch_info''. */
1290 gdbarch_alloc (const struct gdbarch_info *info,
1291 struct gdbarch_tdep *tdep)
1293 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1294 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1295 the current local architecture and not the previous global
1296 architecture. This ensures that the new architectures initial
1297 values are not influenced by the previous architecture. Once
1298 everything is parameterised with gdbarch, this will go away. */
1299 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1300 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1302 alloc_gdbarch_data (current_gdbarch);
1304 current_gdbarch->tdep = tdep;
1307 function_list |
while do_read
1311 printf " current_gdbarch->${function} = info->${function};\n"
1315 printf " /* Force the explicit initialization of these. */\n"
1316 function_list |
while do_read
1318 if class_is_function_p || class_is_variable_p
1320 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1322 printf " current_gdbarch->${function} = ${predefault};\n"
1327 /* gdbarch_alloc() */
1329 return current_gdbarch;
1333 # Free a gdbarch struct.
1337 /* Free a gdbarch struct. This should never happen in normal
1338 operation --- once you've created a gdbarch, you keep it around.
1339 However, if an architecture's init function encounters an error
1340 building the structure, it may need to clean up a partially
1341 constructed gdbarch. */
1344 gdbarch_free (struct gdbarch *arch)
1346 gdb_assert (arch != NULL);
1347 free_gdbarch_data (arch);
1352 # verify a new architecture
1355 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1359 verify_gdbarch (struct gdbarch *gdbarch)
1361 /* Only perform sanity checks on a multi-arch target. */
1362 if (!GDB_MULTI_ARCH)
1365 if (gdbarch->byte_order == 0)
1366 internal_error (__FILE__, __LINE__,
1367 "verify_gdbarch: byte-order unset");
1368 if (gdbarch->bfd_arch_info == NULL)
1369 internal_error (__FILE__, __LINE__,
1370 "verify_gdbarch: bfd_arch_info unset");
1371 /* Check those that need to be defined for the given multi-arch level. */
1373 function_list |
while do_read
1375 if class_is_function_p || class_is_variable_p
1377 if [ "x${invalid_p}" = "x0" ]
1379 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1380 elif class_is_predicate_p
1382 printf " /* Skip verify of ${function}, has predicate */\n"
1383 # FIXME: See do_read for potential simplification
1384 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1386 printf " if (${invalid_p})\n"
1387 printf " gdbarch->${function} = ${postdefault};\n"
1388 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1390 printf " if (gdbarch->${function} == ${predefault})\n"
1391 printf " gdbarch->${function} = ${postdefault};\n"
1392 elif [ -n "${postdefault}" ]
1394 printf " if (gdbarch->${function} == 0)\n"
1395 printf " gdbarch->${function} = ${postdefault};\n"
1396 elif [ -n "${invalid_p}" ]
1398 printf " if ((GDB_MULTI_ARCH >= ${level})\n"
1399 printf " && (${invalid_p}))\n"
1400 printf " internal_error (__FILE__, __LINE__,\n"
1401 printf " \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
1402 elif [ -n "${predefault}" ]
1404 printf " if ((GDB_MULTI_ARCH >= ${level})\n"
1405 printf " && (gdbarch->${function} == ${predefault}))\n"
1406 printf " internal_error (__FILE__, __LINE__,\n"
1407 printf " \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
1415 # dump the structure
1419 /* Print out the details of the current architecture. */
1421 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1422 just happens to match the global variable \`\`current_gdbarch''. That
1423 way macros refering to that variable get the local and not the global
1424 version - ulgh. Once everything is parameterised with gdbarch, this
1428 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1430 fprintf_unfiltered (file,
1431 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1434 function_list |
sort -t: +2 |
while do_read
1436 # multiarch functions don't have macros.
1437 if class_is_multiarch_p
1439 printf " if (GDB_MULTI_ARCH)\n"
1440 printf " fprintf_unfiltered (file,\n"
1441 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1442 printf " (long) current_gdbarch->${function});\n"
1445 printf "#ifdef ${macro}\n"
1446 if [ "x${returntype}" = "xvoid" ]
1448 printf "#if GDB_MULTI_ARCH\n"
1449 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1451 if class_is_function_p
1453 printf " fprintf_unfiltered (file,\n"
1454 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1455 printf " \"${macro}(${actual})\",\n"
1456 printf " XSTRING (${macro} (${actual})));\n"
1458 printf " fprintf_unfiltered (file,\n"
1459 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1460 printf " XSTRING (${macro}));\n"
1462 if [ "x${returntype}" = "xvoid" ]
1466 if [ "x${print_p}" = "x()" ]
1468 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1469 elif [ "x${print_p}" = "x0" ]
1471 printf " /* skip print of ${macro}, print_p == 0. */\n"
1472 elif [ -n "${print_p}" ]
1474 printf " if (${print_p})\n"
1475 printf " fprintf_unfiltered (file,\n"
1476 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1477 printf " ${print});\n"
1478 elif class_is_function_p
1480 printf " if (GDB_MULTI_ARCH)\n"
1481 printf " fprintf_unfiltered (file,\n"
1482 printf " \"gdbarch_dump: ${macro} = 0x%%08lx\\\\n\",\n"
1483 printf " (long) current_gdbarch->${function}\n"
1484 printf " /*${macro} ()*/);\n"
1486 printf " fprintf_unfiltered (file,\n"
1487 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1488 printf " ${print});\n"
1493 if (current_gdbarch->dump_tdep != NULL)
1494 current_gdbarch->dump_tdep (current_gdbarch, file);
1502 struct gdbarch_tdep *
1503 gdbarch_tdep (struct gdbarch *gdbarch)
1505 if (gdbarch_debug >= 2)
1506 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1507 return gdbarch->tdep;
1511 function_list |
while do_read
1513 if class_is_predicate_p
1517 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1519 if [ -n "${valid_p}" ]
1521 printf " return ${valid_p};\n"
1523 printf "#error \"gdbarch_${function}_p: not defined\"\n"
1527 if class_is_function_p
1530 printf "${returntype}\n"
1531 if [ "x${formal}" = "xvoid" ]
1533 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1535 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1538 printf " if (gdbarch->${function} == 0)\n"
1539 printf " internal_error (__FILE__, __LINE__,\n"
1540 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1541 printf " if (gdbarch_debug >= 2)\n"
1542 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1543 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1545 if class_is_multiarch_p
1552 if class_is_multiarch_p
1554 params
="gdbarch, ${actual}"
1559 if [ "x${returntype}" = "xvoid" ]
1561 printf " gdbarch->${function} (${params});\n"
1563 printf " return gdbarch->${function} (${params});\n"
1568 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1569 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1571 printf " gdbarch->${function} = ${function};\n"
1573 elif class_is_variable_p
1576 printf "${returntype}\n"
1577 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1579 if [ "x${invalid_p}" = "x0" ]
1581 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1582 elif [ -n "${invalid_p}" ]
1584 printf " if (${invalid_p})\n"
1585 printf " internal_error (__FILE__, __LINE__,\n"
1586 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1587 elif [ -n "${predefault}" ]
1589 printf " if (gdbarch->${function} == ${predefault})\n"
1590 printf " internal_error (__FILE__, __LINE__,\n"
1591 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1593 printf " if (gdbarch_debug >= 2)\n"
1594 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1595 printf " return gdbarch->${function};\n"
1599 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1600 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1602 printf " gdbarch->${function} = ${function};\n"
1604 elif class_is_info_p
1607 printf "${returntype}\n"
1608 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1610 printf " if (gdbarch_debug >= 2)\n"
1611 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1612 printf " return gdbarch->${function};\n"
1617 # All the trailing guff
1621 /* Keep a registry of per-architecture data-pointers required by GDB
1627 gdbarch_data_init_ftype *init;
1628 gdbarch_data_free_ftype *free;
1631 struct gdbarch_data_registration
1633 struct gdbarch_data *data;
1634 struct gdbarch_data_registration *next;
1637 struct gdbarch_data_registry
1640 struct gdbarch_data_registration *registrations;
1643 struct gdbarch_data_registry gdbarch_data_registry =
1648 struct gdbarch_data *
1649 register_gdbarch_data (gdbarch_data_init_ftype *init,
1650 gdbarch_data_free_ftype *free)
1652 struct gdbarch_data_registration **curr;
1653 for (curr = &gdbarch_data_registry.registrations;
1655 curr = &(*curr)->next);
1656 (*curr) = XMALLOC (struct gdbarch_data_registration);
1657 (*curr)->next = NULL;
1658 (*curr)->data = XMALLOC (struct gdbarch_data);
1659 (*curr)->data->index = gdbarch_data_registry.nr++;
1660 (*curr)->data->init = init;
1661 (*curr)->data->free = free;
1662 return (*curr)->data;
1666 /* Walk through all the registered users initializing each in turn. */
1669 init_gdbarch_data (struct gdbarch *gdbarch)
1671 struct gdbarch_data_registration *rego;
1672 for (rego = gdbarch_data_registry.registrations;
1676 struct gdbarch_data *data = rego->data;
1677 gdb_assert (data->index < gdbarch->nr_data);
1678 if (data->init != NULL)
1680 void *pointer = data->init (gdbarch);
1681 set_gdbarch_data (gdbarch, data, pointer);
1686 /* Create/delete the gdbarch data vector. */
1689 alloc_gdbarch_data (struct gdbarch *gdbarch)
1691 gdb_assert (gdbarch->data == NULL);
1692 gdbarch->nr_data = gdbarch_data_registry.nr;
1693 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1697 free_gdbarch_data (struct gdbarch *gdbarch)
1699 struct gdbarch_data_registration *rego;
1700 gdb_assert (gdbarch->data != NULL);
1701 for (rego = gdbarch_data_registry.registrations;
1705 struct gdbarch_data *data = rego->data;
1706 gdb_assert (data->index < gdbarch->nr_data);
1707 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1709 data->free (gdbarch, gdbarch->data[data->index]);
1710 gdbarch->data[data->index] = NULL;
1713 xfree (gdbarch->data);
1714 gdbarch->data = NULL;
1718 /* Initialize the current value of thee specified per-architecture
1722 set_gdbarch_data (struct gdbarch *gdbarch,
1723 struct gdbarch_data *data,
1726 gdb_assert (data->index < gdbarch->nr_data);
1727 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1728 data->free (gdbarch, gdbarch->data[data->index]);
1729 gdbarch->data[data->index] = pointer;
1732 /* Return the current value of the specified per-architecture
1736 gdbarch_data (struct gdbarch_data *data)
1738 gdb_assert (data->index < current_gdbarch->nr_data);
1739 return current_gdbarch->data[data->index];
1744 /* Keep a registry of swapped data required by GDB modules. */
1749 struct gdbarch_swap_registration *source;
1750 struct gdbarch_swap *next;
1753 struct gdbarch_swap_registration
1756 unsigned long sizeof_data;
1757 gdbarch_swap_ftype *init;
1758 struct gdbarch_swap_registration *next;
1761 struct gdbarch_swap_registry
1764 struct gdbarch_swap_registration *registrations;
1767 struct gdbarch_swap_registry gdbarch_swap_registry =
1773 register_gdbarch_swap (void *data,
1774 unsigned long sizeof_data,
1775 gdbarch_swap_ftype *init)
1777 struct gdbarch_swap_registration **rego;
1778 for (rego = &gdbarch_swap_registry.registrations;
1780 rego = &(*rego)->next);
1781 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1782 (*rego)->next = NULL;
1783 (*rego)->init = init;
1784 (*rego)->data = data;
1785 (*rego)->sizeof_data = sizeof_data;
1790 init_gdbarch_swap (struct gdbarch *gdbarch)
1792 struct gdbarch_swap_registration *rego;
1793 struct gdbarch_swap **curr = &gdbarch->swap;
1794 for (rego = gdbarch_swap_registry.registrations;
1798 if (rego->data != NULL)
1800 (*curr) = XMALLOC (struct gdbarch_swap);
1801 (*curr)->source = rego;
1802 (*curr)->swap = xmalloc (rego->sizeof_data);
1803 (*curr)->next = NULL;
1804 memset (rego->data, 0, rego->sizeof_data);
1805 curr = &(*curr)->next;
1807 if (rego->init != NULL)
1813 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1815 struct gdbarch_swap *curr;
1816 for (curr = gdbarch->swap;
1819 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1823 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1825 struct gdbarch_swap *curr;
1826 for (curr = gdbarch->swap;
1829 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1833 /* Keep a registry of the architectures known by GDB. */
1835 struct gdbarch_registration
1837 enum bfd_architecture bfd_architecture;
1838 gdbarch_init_ftype *init;
1839 gdbarch_dump_tdep_ftype *dump_tdep;
1840 struct gdbarch_list *arches;
1841 struct gdbarch_registration *next;
1844 static struct gdbarch_registration *gdbarch_registry = NULL;
1847 append_name (const char ***buf, int *nr, const char *name)
1849 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
1855 gdbarch_printable_names (void)
1859 /* Accumulate a list of names based on the registed list of
1861 enum bfd_architecture a;
1863 const char **arches = NULL;
1864 struct gdbarch_registration *rego;
1865 for (rego = gdbarch_registry;
1869 const struct bfd_arch_info *ap;
1870 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
1872 internal_error (__FILE__, __LINE__,
1873 "gdbarch_architecture_names: multi-arch unknown");
1876 append_name (&arches, &nr_arches, ap->printable_name);
1881 append_name (&arches, &nr_arches, NULL);
1885 /* Just return all the architectures that BFD knows. Assume that
1886 the legacy architecture framework supports them. */
1887 return bfd_arch_list ();
1892 gdbarch_register (enum bfd_architecture bfd_architecture,
1893 gdbarch_init_ftype *init,
1894 gdbarch_dump_tdep_ftype *dump_tdep)
1896 struct gdbarch_registration **curr;
1897 const struct bfd_arch_info *bfd_arch_info;
1898 /* Check that BFD recognizes this architecture */
1899 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
1900 if (bfd_arch_info == NULL)
1902 internal_error (__FILE__, __LINE__,
1903 "gdbarch: Attempt to register unknown architecture (%d)",
1906 /* Check that we haven't seen this architecture before */
1907 for (curr = &gdbarch_registry;
1909 curr = &(*curr)->next)
1911 if (bfd_architecture == (*curr)->bfd_architecture)
1912 internal_error (__FILE__, __LINE__,
1913 "gdbarch: Duplicate registraration of architecture (%s)",
1914 bfd_arch_info->printable_name);
1918 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
1919 bfd_arch_info->printable_name,
1922 (*curr) = XMALLOC (struct gdbarch_registration);
1923 (*curr)->bfd_architecture = bfd_architecture;
1924 (*curr)->init = init;
1925 (*curr)->dump_tdep = dump_tdep;
1926 (*curr)->arches = NULL;
1927 (*curr)->next = NULL;
1928 /* When non- multi-arch, install whatever target dump routine we've
1929 been provided - hopefully that routine has been written correctly
1930 and works regardless of multi-arch. */
1931 if (!GDB_MULTI_ARCH && dump_tdep != NULL
1932 && startup_gdbarch.dump_tdep == NULL)
1933 startup_gdbarch.dump_tdep = dump_tdep;
1937 register_gdbarch_init (enum bfd_architecture bfd_architecture,
1938 gdbarch_init_ftype *init)
1940 gdbarch_register (bfd_architecture, init, NULL);
1944 /* Look for an architecture using gdbarch_info. Base search on only
1945 BFD_ARCH_INFO and BYTE_ORDER. */
1947 struct gdbarch_list *
1948 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
1949 const struct gdbarch_info *info)
1951 for (; arches != NULL; arches = arches->next)
1953 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
1955 if (info->byte_order != arches->gdbarch->byte_order)
1963 /* Update the current architecture. Return ZERO if the update request
1967 gdbarch_update_p (struct gdbarch_info info)
1969 struct gdbarch *new_gdbarch;
1970 struct gdbarch_list **list;
1971 struct gdbarch_registration *rego;
1973 /* Fill in missing parts of the INFO struct using a number of
1974 sources: \`\`set ...''; INFOabfd supplied; existing target. */
1976 /* \`\`(gdb) set architecture ...'' */
1977 if (info.bfd_arch_info == NULL
1978 && !TARGET_ARCHITECTURE_AUTO)
1979 info.bfd_arch_info = TARGET_ARCHITECTURE;
1980 if (info.bfd_arch_info == NULL
1981 && info.abfd != NULL
1982 && bfd_get_arch (info.abfd) != bfd_arch_unknown
1983 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
1984 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
1985 if (info.bfd_arch_info == NULL)
1986 info.bfd_arch_info = TARGET_ARCHITECTURE;
1988 /* \`\`(gdb) set byte-order ...'' */
1989 if (info.byte_order == 0
1990 && !TARGET_BYTE_ORDER_AUTO)
1991 info.byte_order = TARGET_BYTE_ORDER;
1992 /* From the INFO struct. */
1993 if (info.byte_order == 0
1994 && info.abfd != NULL)
1995 info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN
1996 : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN
1998 /* From the current target. */
1999 if (info.byte_order == 0)
2000 info.byte_order = TARGET_BYTE_ORDER;
2002 /* Must have found some sort of architecture. */
2003 gdb_assert (info.bfd_arch_info != NULL);
2007 fprintf_unfiltered (gdb_stdlog,
2008 "gdbarch_update: info.bfd_arch_info %s\n",
2009 (info.bfd_arch_info != NULL
2010 ? info.bfd_arch_info->printable_name
2012 fprintf_unfiltered (gdb_stdlog,
2013 "gdbarch_update: info.byte_order %d (%s)\n",
2015 (info.byte_order == BIG_ENDIAN ? "big"
2016 : info.byte_order == LITTLE_ENDIAN ? "little"
2018 fprintf_unfiltered (gdb_stdlog,
2019 "gdbarch_update: info.abfd 0x%lx\n",
2021 fprintf_unfiltered (gdb_stdlog,
2022 "gdbarch_update: info.tdep_info 0x%lx\n",
2023 (long) info.tdep_info);
2026 /* Find the target that knows about this architecture. */
2027 for (rego = gdbarch_registry;
2030 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2035 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2039 /* Ask the target for a replacement architecture. */
2040 new_gdbarch = rego->init (info, rego->arches);
2042 /* Did the target like it? No. Reject the change. */
2043 if (new_gdbarch == NULL)
2046 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2050 /* Did the architecture change? No. Do nothing. */
2051 if (current_gdbarch == new_gdbarch)
2054 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2056 new_gdbarch->bfd_arch_info->printable_name);
2060 /* Swap all data belonging to the old target out */
2061 swapout_gdbarch_swap (current_gdbarch);
2063 /* Is this a pre-existing architecture? Yes. Swap it in. */
2064 for (list = ®o->arches;
2066 list = &(*list)->next)
2068 if ((*list)->gdbarch == new_gdbarch)
2071 fprintf_unfiltered (gdb_stdlog,
2072 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\\n",
2074 new_gdbarch->bfd_arch_info->printable_name);
2075 current_gdbarch = new_gdbarch;
2076 swapin_gdbarch_swap (new_gdbarch);
2077 architecture_changed_event ();
2082 /* Append this new architecture to this targets list. */
2083 (*list) = XMALLOC (struct gdbarch_list);
2084 (*list)->next = NULL;
2085 (*list)->gdbarch = new_gdbarch;
2087 /* Switch to this new architecture. Dump it out. */
2088 current_gdbarch = new_gdbarch;
2091 fprintf_unfiltered (gdb_stdlog,
2092 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2094 new_gdbarch->bfd_arch_info->printable_name);
2097 /* Check that the newly installed architecture is valid. Plug in
2098 any post init values. */
2099 new_gdbarch->dump_tdep = rego->dump_tdep;
2100 verify_gdbarch (new_gdbarch);
2102 /* Initialize the per-architecture memory (swap) areas.
2103 CURRENT_GDBARCH must be update before these modules are
2105 init_gdbarch_swap (new_gdbarch);
2107 /* Initialize the per-architecture data-pointer of all parties that
2108 registered an interest in this architecture. CURRENT_GDBARCH
2109 must be updated before these modules are called. */
2110 init_gdbarch_data (new_gdbarch);
2111 architecture_changed_event ();
2114 gdbarch_dump (current_gdbarch, gdb_stdlog);
2122 /* Pointer to the target-dependent disassembly function. */
2123 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2124 disassemble_info tm_print_insn_info;
2127 extern void _initialize_gdbarch (void);
2130 _initialize_gdbarch (void)
2132 struct cmd_list_element *c;
2134 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2135 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2136 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2137 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2138 tm_print_insn_info.print_address_func = dis_asm_print_address;
2140 add_show_from_set (add_set_cmd ("arch",
2143 (char *)&gdbarch_debug,
2144 "Set architecture debugging.\\n\\
2145 When non-zero, architecture debugging is enabled.", &setdebuglist),
2147 c = add_set_cmd ("archdebug",
2150 (char *)&gdbarch_debug,
2151 "Set architecture debugging.\\n\\
2152 When non-zero, architecture debugging is enabled.", &setlist);
2154 deprecate_cmd (c, "set debug arch");
2155 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2161 #../move-if-change new-gdbarch.c gdbarch.c
2162 compare_new gdbarch.c