3 # Architecture commands for GDB, the GNU debugger.
4 # Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
6 # This file is part of GDB.
8 # This program is free software; you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write to the Free Software
20 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 # Make certain that the script is running in an internationalized
25 LC_ALL=c ; export LC_ALL
33 echo "${file} missing? cp new-${file} ${file}" 1>&2
34 elif diff -u ${file} new-${file}
36 echo "${file} unchanged" 1>&2
38 echo "${file} has changed? cp new-${file} ${file}" 1>&2
43 # Format of the input table
44 read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
52 if test "${line}" = ""
55 elif test "${line}" = "#" -a "${comment}" = ""
58 elif expr "${line}" : "#" > /dev/null
64 # The semantics of IFS varies between different SH's. Some
65 # treat ``::' as three fields while some treat it as just too.
66 # Work around this by eliminating ``::'' ....
67 line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
69 OFS="${IFS}" ; IFS="[:]"
70 eval read ${read} <<EOF
75 # .... and then going back through each field and strip out those
76 # that ended up with just that space character.
79 if eval test \"\${${r}}\" = \"\ \"
86 1 ) gt_level=">= GDB_MULTI_ARCH_PARTIAL" ;;
87 2 ) gt_level="> GDB_MULTI_ARCH_PARTIAL" ;;
88 "" ) gt_level="> GDB_MULTI_ARCH_PARTIAL" ;;
89 * ) error "Error: bad level for ${function}" 1>&2 ; kill $$ ; exit 1 ;;
93 m ) staticdefault="${predefault}" ;;
94 M ) staticdefault="0" ;;
95 * ) test "${staticdefault}" || staticdefault=0 ;;
98 # come up with a format, use a few guesses for variables
99 case ":${class}:${fmt}:${print}:" in
101 if [ "${returntype}" = int ]
105 elif [ "${returntype}" = long ]
112 test "${fmt}" || fmt="%ld"
113 test "${print}" || print="(long) ${macro}"
117 case "${invalid_p}" in
119 if test -n "${predefault}"
121 #invalid_p="gdbarch->${function} == ${predefault}"
122 predicate="gdbarch->${function} != ${predefault}"
123 elif class_is_variable_p
125 predicate="gdbarch->${function} != 0"
126 elif class_is_function_p
128 predicate="gdbarch->${function} != NULL"
132 echo "Predicate function ${function} with invalid_p." 1>&2
139 # PREDEFAULT is a valid fallback definition of MEMBER when
140 # multi-arch is not enabled. This ensures that the
141 # default value, when multi-arch is the same as the
142 # default value when not multi-arch. POSTDEFAULT is
143 # always a valid definition of MEMBER as this again
144 # ensures consistency.
146 if [ -n "${postdefault}" ]
148 fallbackdefault="${postdefault}"
149 elif [ -n "${predefault}" ]
151 fallbackdefault="${predefault}"
156 #NOT YET: See gdbarch.log for basic verification of
171 fallback_default_p ()
173 [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
174 || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
177 class_is_variable_p ()
185 class_is_function_p ()
188 *f* | *F* | *m* | *M* ) true ;;
193 class_is_multiarch_p ()
201 class_is_predicate_p ()
204 *F* | *V* | *M* ) true ;;
218 # dump out/verify the doco
228 # F -> function + predicate
229 # hiding a function + predicate to test function validity
232 # V -> variable + predicate
233 # hiding a variable + predicate to test variables validity
235 # hiding something from the ``struct info'' object
236 # m -> multi-arch function
237 # hiding a multi-arch function (parameterised with the architecture)
238 # M -> multi-arch function + predicate
239 # hiding a multi-arch function + predicate to test function validity
243 # See GDB_MULTI_ARCH description. Having GDB_MULTI_ARCH >=
244 # LEVEL is a predicate on checking that a given method is
245 # initialized (using INVALID_P).
249 # The name of the MACRO that this method is to be accessed by.
253 # For functions, the return type; for variables, the data type
257 # For functions, the member function name; for variables, the
258 # variable name. Member function names are always prefixed with
259 # ``gdbarch_'' for name-space purity.
263 # The formal argument list. It is assumed that the formal
264 # argument list includes the actual name of each list element.
265 # A function with no arguments shall have ``void'' as the
266 # formal argument list.
270 # The list of actual arguments. The arguments specified shall
271 # match the FORMAL list given above. Functions with out
272 # arguments leave this blank.
276 # Any GCC attributes that should be attached to the function
277 # declaration. At present this field is unused.
281 # To help with the GDB startup a static gdbarch object is
282 # created. STATICDEFAULT is the value to insert into that
283 # static gdbarch object. Since this a static object only
284 # simple expressions can be used.
286 # If STATICDEFAULT is empty, zero is used.
290 # An initial value to assign to MEMBER of the freshly
291 # malloc()ed gdbarch object. After initialization, the
292 # freshly malloc()ed object is passed to the target
293 # architecture code for further updates.
295 # If PREDEFAULT is empty, zero is used.
297 # A non-empty PREDEFAULT, an empty POSTDEFAULT and a zero
298 # INVALID_P are specified, PREDEFAULT will be used as the
299 # default for the non- multi-arch target.
301 # A zero PREDEFAULT function will force the fallback to call
304 # Variable declarations can refer to ``gdbarch'' which will
305 # contain the current architecture. Care should be taken.
309 # A value to assign to MEMBER of the new gdbarch object should
310 # the target architecture code fail to change the PREDEFAULT
313 # If POSTDEFAULT is empty, no post update is performed.
315 # If both INVALID_P and POSTDEFAULT are non-empty then
316 # INVALID_P will be used to determine if MEMBER should be
317 # changed to POSTDEFAULT.
319 # If a non-empty POSTDEFAULT and a zero INVALID_P are
320 # specified, POSTDEFAULT will be used as the default for the
321 # non- multi-arch target (regardless of the value of
324 # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
326 # Variable declarations can refer to ``gdbarch'' which will
327 # contain the current architecture. Care should be taken.
331 # A predicate equation that validates MEMBER. Non-zero is
332 # returned if the code creating the new architecture failed to
333 # initialize MEMBER or the initialized the member is invalid.
334 # If POSTDEFAULT is non-empty then MEMBER will be updated to
335 # that value. If POSTDEFAULT is empty then internal_error()
338 # If INVALID_P is empty, a check that MEMBER is no longer
339 # equal to PREDEFAULT is used.
341 # The expression ``0'' disables the INVALID_P check making
342 # PREDEFAULT a legitimate value.
344 # See also PREDEFAULT and POSTDEFAULT.
348 # printf style format string that can be used to print out the
349 # MEMBER. Sometimes "%s" is useful. For functions, this is
350 # ignored and the function address is printed.
352 # If FMT is empty, ``%ld'' is used.
356 # An optional equation that casts MEMBER to a value suitable
357 # for formatting by FMT.
359 # If PRINT is empty, ``(long)'' is used.
363 # An optional indicator for any predicte to wrap around the
366 # () -> Call a custom function to do the dump.
367 # exp -> Wrap print up in ``if (${print_p}) ...
368 # ``'' -> No predicate
370 # If PRINT_P is empty, ``1'' is always used.
377 echo "Bad field ${field}"
385 # See below (DOCO) for description of each field
387 i:2:TARGET_ARCHITECTURE:const struct bfd_arch_info *:bfd_arch_info::::&bfd_default_arch_struct::::%s:TARGET_ARCHITECTURE->printable_name:TARGET_ARCHITECTURE != NULL
389 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
391 i:2:TARGET_OSABI:enum gdb_osabi:osabi::::GDB_OSABI_UNKNOWN
392 # Number of bits in a char or unsigned char for the target machine.
393 # Just like CHAR_BIT in <limits.h> but describes the target machine.
394 # v:2:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
396 # Number of bits in a short or unsigned short for the target machine.
397 v:2:TARGET_SHORT_BIT:int:short_bit::::8 * sizeof (short):2*TARGET_CHAR_BIT::0
398 # Number of bits in an int or unsigned int for the target machine.
399 v:2:TARGET_INT_BIT:int:int_bit::::8 * sizeof (int):4*TARGET_CHAR_BIT::0
400 # Number of bits in a long or unsigned long for the target machine.
401 v:2:TARGET_LONG_BIT:int:long_bit::::8 * sizeof (long):4*TARGET_CHAR_BIT::0
402 # Number of bits in a long long or unsigned long long for the target
404 v:2:TARGET_LONG_LONG_BIT:int:long_long_bit::::8 * sizeof (LONGEST):2*TARGET_LONG_BIT::0
405 # Number of bits in a float for the target machine.
406 v:2:TARGET_FLOAT_BIT:int:float_bit::::8 * sizeof (float):4*TARGET_CHAR_BIT::0
407 # Number of bits in a double for the target machine.
408 v:2:TARGET_DOUBLE_BIT:int:double_bit::::8 * sizeof (double):8*TARGET_CHAR_BIT::0
409 # Number of bits in a long double for the target machine.
410 v:2:TARGET_LONG_DOUBLE_BIT:int:long_double_bit::::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
411 # For most targets, a pointer on the target and its representation as an
412 # address in GDB have the same size and "look the same". For such a
413 # target, you need only set TARGET_PTR_BIT / ptr_bit and TARGET_ADDR_BIT
414 # / addr_bit will be set from it.
416 # If TARGET_PTR_BIT and TARGET_ADDR_BIT are different, you'll probably
417 # also need to set POINTER_TO_ADDRESS and ADDRESS_TO_POINTER as well.
419 # ptr_bit is the size of a pointer on the target
420 v:2:TARGET_PTR_BIT:int:ptr_bit::::8 * sizeof (void*):TARGET_INT_BIT::0
421 # addr_bit is the size of a target address as represented in gdb
422 v:2:TARGET_ADDR_BIT:int:addr_bit::::8 * sizeof (void*):0:TARGET_PTR_BIT:
423 # Number of bits in a BFD_VMA for the target object file format.
424 v:2:TARGET_BFD_VMA_BIT:int:bfd_vma_bit::::8 * sizeof (void*):TARGET_ARCHITECTURE->bits_per_address::0
426 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
427 v:2:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
429 F:2:TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid
430 f:2:TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
431 # UNWIND_SP is a direct replacement for TARGET_READ_SP.
432 F:2:TARGET_READ_SP:CORE_ADDR:read_sp:void
433 # Function for getting target's idea of a frame pointer. FIXME: GDB's
434 # whole scheme for dealing with "frames" and "frame pointers" needs a
436 f:2: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
438 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf
439 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf
441 v:2:NUM_REGS:int:num_regs::::0:-1
442 # This macro gives the number of pseudo-registers that live in the
443 # register namespace but do not get fetched or stored on the target.
444 # These pseudo-registers may be aliases for other registers,
445 # combinations of other registers, or they may be computed by GDB.
446 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
448 # GDB's standard (or well known) register numbers. These can map onto
449 # a real register or a pseudo (computed) register or not be defined at
451 # SP_REGNUM will hopefully be replaced by UNWIND_SP.
452 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
453 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
454 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
455 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
456 # Replace DEPRECATED_NPC_REGNUM with an implementation of WRITE_PC
457 # that updates PC, NPC and even NNPC.
458 v:2:DEPRECATED_NPC_REGNUM:int:deprecated_npc_regnum::::0:-1::0
459 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
460 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
461 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
462 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
463 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
464 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
465 # Convert from an sdb register number to an internal gdb register number.
466 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
467 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
468 f::REGISTER_NAME:const char *:register_name:int regnr:regnr
470 # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE.
471 M:2:REGISTER_TYPE:struct type *:register_type:int reg_nr:reg_nr
472 # REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE.
473 F:2:DEPRECATED_REGISTER_VIRTUAL_TYPE:struct type *:deprecated_register_virtual_type:int reg_nr:reg_nr
474 # DEPRECATED_REGISTER_BYTES can be deleted. The value is computed
475 # from REGISTER_TYPE.
476 v::DEPRECATED_REGISTER_BYTES:int:deprecated_register_bytes
477 # If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
478 # register offsets computed using just REGISTER_TYPE, this can be
479 # deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
480 # function with predicate has a valid (callable) initial value. As a
481 # consequence, even when the predicate is false, the corresponding
482 # function works. This simplifies the migration process - old code,
483 # calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified.
484 F::DEPRECATED_REGISTER_BYTE:int:deprecated_register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte
485 # If all registers have identical raw and virtual sizes and those
486 # sizes agree with the value computed from REGISTER_TYPE,
487 # DEPRECATED_REGISTER_RAW_SIZE can be deleted. See: maint print
489 F:2:DEPRECATED_REGISTER_RAW_SIZE:int:deprecated_register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
490 # If all registers have identical raw and virtual sizes and those
491 # sizes agree with the value computed from REGISTER_TYPE,
492 # DEPRECATED_REGISTER_VIRTUAL_SIZE can be deleted. See: maint print
494 F:2:DEPRECATED_REGISTER_VIRTUAL_SIZE:int:deprecated_register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size
495 # DEPRECATED_MAX_REGISTER_RAW_SIZE can be deleted. It has been
496 # replaced by the constant MAX_REGISTER_SIZE.
497 V:2:DEPRECATED_MAX_REGISTER_RAW_SIZE:int:deprecated_max_register_raw_size
498 # DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE can be deleted. It has been
499 # replaced by the constant MAX_REGISTER_SIZE.
500 V:2:DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE:int:deprecated_max_register_virtual_size
502 # See gdbint.texinfo, and PUSH_DUMMY_CALL.
503 M::UNWIND_DUMMY_ID:struct frame_id:unwind_dummy_id:struct frame_info *info:info
504 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
505 # SAVE_DUMMY_FRAME_TOS.
506 F:2:DEPRECATED_SAVE_DUMMY_FRAME_TOS:void:deprecated_save_dummy_frame_tos:CORE_ADDR sp:sp
507 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
508 # DEPRECATED_FP_REGNUM.
509 v:2:DEPRECATED_FP_REGNUM:int:deprecated_fp_regnum::::-1:-1::0
510 # Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete
511 # DEPRECATED_TARGET_READ_FP.
512 F::DEPRECATED_TARGET_READ_FP:CORE_ADDR:deprecated_target_read_fp:void
514 # See gdbint.texinfo. See infcall.c. New, all singing all dancing,
515 # replacement for DEPRECATED_PUSH_ARGUMENTS.
516 M::PUSH_DUMMY_CALL:CORE_ADDR:push_dummy_call:CORE_ADDR func_addr, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:func_addr, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr
517 # PUSH_DUMMY_CALL is a direct replacement for DEPRECATED_PUSH_ARGUMENTS.
518 F:2:DEPRECATED_PUSH_ARGUMENTS:CORE_ADDR:deprecated_push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr
519 # DEPRECATED_USE_GENERIC_DUMMY_FRAMES can be deleted. Always true.
520 v::DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
521 # Implement PUSH_RETURN_ADDRESS, and then merge in
522 # DEPRECATED_PUSH_RETURN_ADDRESS.
523 F:2:DEPRECATED_PUSH_RETURN_ADDRESS:CORE_ADDR:deprecated_push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp
524 # Implement PUSH_DUMMY_CALL, then merge in DEPRECATED_DUMMY_WRITE_SP.
525 F:2:DEPRECATED_DUMMY_WRITE_SP:void:deprecated_dummy_write_sp:CORE_ADDR val:val
526 # DEPRECATED_REGISTER_SIZE can be deleted.
527 v::DEPRECATED_REGISTER_SIZE:int:deprecated_register_size
528 v::CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
529 F::DEPRECATED_CALL_DUMMY_ADDRESS:CORE_ADDR:deprecated_call_dummy_address:void
530 # DEPRECATED_CALL_DUMMY_START_OFFSET can be deleted.
531 v::DEPRECATED_CALL_DUMMY_START_OFFSET:CORE_ADDR:deprecated_call_dummy_start_offset
532 # DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET can be deleted.
533 v::DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET:CORE_ADDR:deprecated_call_dummy_breakpoint_offset
534 # DEPRECATED_CALL_DUMMY_LENGTH can be deleted.
535 v::DEPRECATED_CALL_DUMMY_LENGTH:int:deprecated_call_dummy_length
536 # DEPRECATED_CALL_DUMMY_WORDS can be deleted.
537 v::DEPRECATED_CALL_DUMMY_WORDS:LONGEST *:deprecated_call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
538 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_SIZEOF_CALL_DUMMY_WORDS.
539 v::DEPRECATED_SIZEOF_CALL_DUMMY_WORDS:int:deprecated_sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0
540 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_CALL_DUMMY_STACK_ADJUST.
541 V:2:DEPRECATED_CALL_DUMMY_STACK_ADJUST:int:deprecated_call_dummy_stack_adjust
542 # DEPRECATED_FIX_CALL_DUMMY can be deleted. For the SPARC, implement
543 # PUSH_DUMMY_CODE and set CALL_DUMMY_LOCATION to ON_STACK.
544 F::DEPRECATED_FIX_CALL_DUMMY:void:deprecated_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
545 # This is a replacement for DEPRECATED_FIX_CALL_DUMMY et.al.
546 M::PUSH_DUMMY_CODE:CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr:sp, funaddr, using_gcc, args, nargs, value_type, real_pc, bp_addr
547 # Implement PUSH_DUMMY_CALL, then delete DEPRECATED_PUSH_DUMMY_FRAME.
548 F:2:DEPRECATED_PUSH_DUMMY_FRAME:void:deprecated_push_dummy_frame:void:-
549 # Implement PUSH_DUMMY_CALL, then delete
550 # DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED.
551 v:2:DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED:int:deprecated_extra_stack_alignment_needed::::0:0::0:::
553 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
554 m:2:PRINT_REGISTERS_INFO:void:print_registers_info:struct ui_file *file, struct frame_info *frame, int regnum, int all:file, frame, regnum, all:::default_print_registers_info::0
555 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
556 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
557 # MAP a GDB RAW register number onto a simulator register number. See
558 # also include/...-sim.h.
559 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
560 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes
561 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
562 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
563 # setjmp/longjmp support.
564 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc
565 # NOTE: cagney/2002-11-24: This function with predicate has a valid
566 # (callable) initial value. As a consequence, even when the predicate
567 # is false, the corresponding function works. This simplifies the
568 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
569 # doesn't need to be modified.
570 F::DEPRECATED_PC_IN_CALL_DUMMY:int:deprecated_pc_in_call_dummy:CORE_ADDR pc, CORE_ADDR sp, CORE_ADDR frame_address:pc, sp, frame_address::generic_pc_in_call_dummy:generic_pc_in_call_dummy
571 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
572 F:2:DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
574 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
575 v::BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
576 F:2:DEPRECATED_GET_SAVED_REGISTER:void:deprecated_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
578 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
579 # For raw <-> cooked register conversions, replaced by pseudo registers.
580 f:2:DEPRECATED_REGISTER_CONVERTIBLE:int:deprecated_register_convertible:int nr:nr:::deprecated_register_convertible_not::0
581 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
582 # For raw <-> cooked register conversions, replaced by pseudo registers.
583 f:2:DEPRECATED_REGISTER_CONVERT_TO_VIRTUAL:void:deprecated_register_convert_to_virtual:int regnum, struct type *type, char *from, char *to:regnum, type, from, to:::0::0
584 # For register <-> value conversions, replaced by CONVERT_REGISTER_P et.al.
585 # For raw <-> cooked register conversions, replaced by pseudo registers.
586 f:2:DEPRECATED_REGISTER_CONVERT_TO_RAW:void:deprecated_register_convert_to_raw:struct type *type, int regnum, const char *from, char *to:type, regnum, from, to:::0::0
588 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum, struct type *type:regnum, type::0:legacy_convert_register_p::0
589 f:1:REGISTER_TO_VALUE:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, void *buf:frame, regnum, type, buf::0:legacy_register_to_value::0
590 f:1:VALUE_TO_REGISTER:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const void *buf:frame, regnum, type, buf::0:legacy_value_to_register::0
592 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
593 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
594 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
596 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
597 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
598 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
600 # It has been suggested that this, well actually its predecessor,
601 # should take the type/value of the function to be called and not the
602 # return type. This is left as an exercise for the reader.
604 M:::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, const void *inval, void *outval:valtype, regcache, inval, outval
606 # The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
607 # STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
608 # into RETURN_VALUE. For the moment do not try to fold in
609 # EXTRACT_STRUCT_VALUE_ADDRESS as, dependant on the ABI, the debug
610 # info, and the level of effort, it may well be possible to find the
611 # address of a structure being return on the stack. Someone else can
614 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
615 f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
616 f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf:::legacy_store_return_value::0
617 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
618 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
619 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
621 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
622 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf
624 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
625 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
627 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
628 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
629 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
630 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
631 M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
632 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
633 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
634 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
635 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
637 m::REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:regcache, gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address::0
639 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
640 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
641 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
642 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
643 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC. Please
644 # note, per UNWIND_PC's doco, that while the two have similar
645 # interfaces they have very different underlying implementations.
646 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
647 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
648 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
649 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
650 # frame-base. Enable frame-base before frame-unwind.
651 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
652 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
653 # frame-base. Enable frame-base before frame-unwind.
654 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
655 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
656 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
658 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
659 # to frame_align and the requirement that methods such as
660 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
662 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
663 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
664 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
665 # stabs_argument_has_addr.
666 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
667 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
668 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
669 v:2:PARM_BOUNDARY:int:parm_boundary
671 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
672 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
673 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
674 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
675 # On some machines there are bits in addresses which are not really
676 # part of the address, but are used by the kernel, the hardware, etc.
677 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
678 # we get a "real" address such as one would find in a symbol table.
679 # This is used only for addresses of instructions, and even then I'm
680 # not sure it's used in all contexts. It exists to deal with there
681 # being a few stray bits in the PC which would mislead us, not as some
682 # sort of generic thing to handle alignment or segmentation (it's
683 # possible it should be in TARGET_READ_PC instead).
684 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
685 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
687 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
688 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
689 # the target needs software single step. An ISA method to implement it.
691 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
692 # using the breakpoint system instead of blatting memory directly (as with rs6000).
694 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
695 # single step. If not, then implement single step using breakpoints.
696 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
697 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
698 # disassembler. Perhaphs objdump can handle it?
699 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
700 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
703 # For SVR4 shared libraries, each call goes through a small piece of
704 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
705 # to nonzero if we are currently stopped in one of these.
706 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
708 # Some systems also have trampoline code for returning from shared libs.
709 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
711 # Sigtramp is a routine that the kernel calls (which then calls the
712 # signal handler). On most machines it is a library routine that is
713 # linked into the executable.
715 # This macro, given a program counter value and the name of the
716 # function in which that PC resides (which can be null if the name is
717 # not known), returns nonzero if the PC and name show that we are in
720 # On most machines just see if the name is sigtramp (and if we have
721 # no name, assume we are not in sigtramp).
723 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
724 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
725 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
726 # own local NAME lookup.
728 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
729 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
731 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
732 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
733 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
734 # A target might have problems with watchpoints as soon as the stack
735 # frame of the current function has been destroyed. This mostly happens
736 # as the first action in a funtion's epilogue. in_function_epilogue_p()
737 # is defined to return a non-zero value if either the given addr is one
738 # instruction after the stack destroying instruction up to the trailing
739 # return instruction or if we can figure out that the stack frame has
740 # already been invalidated regardless of the value of addr. Targets
741 # which don't suffer from that problem could just let this functionality
743 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
744 # Given a vector of command-line arguments, return a newly allocated
745 # string which, when passed to the create_inferior function, will be
746 # parsed (on Unix systems, by the shell) to yield the same vector.
747 # This function should call error() if the argument vector is not
748 # representable for this target or if this target does not support
749 # command-line arguments.
750 # ARGC is the number of elements in the vector.
751 # ARGV is an array of strings, one per argument.
752 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
753 f:2:ELF_MAKE_MSYMBOL_SPECIAL:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym:::default_elf_make_msymbol_special::0
754 f:2:COFF_MAKE_MSYMBOL_SPECIAL:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym:::default_coff_make_msymbol_special::0
755 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
756 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
757 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
758 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
759 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
760 M:2:ADDRESS_CLASS_NAME_TO_TYPE_FLAGS:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
761 # Is a register in a group
762 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
763 # Fetch the pointer to the ith function argument.
764 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
766 # Return the appropriate register set for a core file section with
767 # name SECT_NAME and size SECT_SIZE.
768 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
775 exec > new-gdbarch.log
776 function_list | while do_read
779 ${class} ${macro}(${actual})
780 ${returntype} ${function} ($formal)${attrib}
784 eval echo \"\ \ \ \ ${r}=\${${r}}\"
786 if class_is_predicate_p && fallback_default_p
788 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
792 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
794 echo "Error: postdefault is useless when invalid_p=0" 1>&2
798 if class_is_multiarch_p
800 if class_is_predicate_p ; then :
801 elif test "x${predefault}" = "x"
803 echo "Error: pure multi-arch function must have a predefault" 1>&2
812 compare_new gdbarch.log
818 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
820 /* Dynamic architecture support for GDB, the GNU debugger.
821 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
823 This file is part of GDB.
825 This program is free software; you can redistribute it and/or modify
826 it under the terms of the GNU General Public License as published by
827 the Free Software Foundation; either version 2 of the License, or
828 (at your option) any later version.
830 This program is distributed in the hope that it will be useful,
831 but WITHOUT ANY WARRANTY; without even the implied warranty of
832 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
833 GNU General Public License for more details.
835 You should have received a copy of the GNU General Public License
836 along with this program; if not, write to the Free Software
837 Foundation, Inc., 59 Temple Place - Suite 330,
838 Boston, MA 02111-1307, USA. */
840 /* This file was created with the aid of \`\`gdbarch.sh''.
842 The Bourne shell script \`\`gdbarch.sh'' creates the files
843 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
844 against the existing \`\`gdbarch.[hc]''. Any differences found
847 If editing this file, please also run gdbarch.sh and merge any
848 changes into that script. Conversely, when making sweeping changes
849 to this file, modifying gdbarch.sh and using its output may prove
870 struct minimal_symbol;
874 struct disassemble_info;
876 extern struct gdbarch *current_gdbarch;
879 /* If any of the following are defined, the target wasn't correctly
882 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
883 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
890 printf "/* The following are pre-initialized by GDBARCH. */\n"
891 function_list | while do_read
896 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
897 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
898 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
899 printf "#error \"Non multi-arch definition of ${macro}\"\n"
901 printf "#if !defined (${macro})\n"
902 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
910 printf "/* The following are initialized by the target dependent code. */\n"
911 function_list | while do_read
913 if [ -n "${comment}" ]
915 echo "${comment}" | sed \
920 if class_is_multiarch_p
922 if class_is_predicate_p
925 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
928 if class_is_predicate_p
931 printf "#if defined (${macro})\n"
932 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
933 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
934 printf "#if !defined (${macro}_P)\n"
935 printf "#define ${macro}_P() (1)\n"
939 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
940 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
941 printf "#error \"Non multi-arch definition of ${macro}\"\n"
943 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
944 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
948 if class_is_variable_p
951 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
952 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
953 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
954 printf "#error \"Non multi-arch definition of ${macro}\"\n"
956 printf "#if !defined (${macro})\n"
957 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
960 if class_is_function_p
963 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
965 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
966 elif class_is_multiarch_p
968 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
970 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
972 if [ "x${formal}" = "xvoid" ]
974 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
976 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
978 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
979 if class_is_multiarch_p ; then :
981 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
982 printf "#error \"Non multi-arch definition of ${macro}\"\n"
984 if [ "x${actual}" = "x" ]
986 d="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
987 elif [ "x${actual}" = "x-" ]
989 d="#define ${macro} (gdbarch_${function} (current_gdbarch))"
991 d="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
993 printf "#if !defined (${macro})\n"
994 if [ "x${actual}" = "x" ]
996 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
997 elif [ "x${actual}" = "x-" ]
999 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1001 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1011 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1014 /* Mechanism for co-ordinating the selection of a specific
1017 GDB targets (*-tdep.c) can register an interest in a specific
1018 architecture. Other GDB components can register a need to maintain
1019 per-architecture data.
1021 The mechanisms below ensures that there is only a loose connection
1022 between the set-architecture command and the various GDB
1023 components. Each component can independently register their need
1024 to maintain architecture specific data with gdbarch.
1028 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
1031 The more traditional mega-struct containing architecture specific
1032 data for all the various GDB components was also considered. Since
1033 GDB is built from a variable number of (fairly independent)
1034 components it was determined that the global aproach was not
1038 /* Register a new architectural family with GDB.
1040 Register support for the specified ARCHITECTURE with GDB. When
1041 gdbarch determines that the specified architecture has been
1042 selected, the corresponding INIT function is called.
1046 The INIT function takes two parameters: INFO which contains the
1047 information available to gdbarch about the (possibly new)
1048 architecture; ARCHES which is a list of the previously created
1049 \`\`struct gdbarch'' for this architecture.
1051 The INFO parameter is, as far as possible, be pre-initialized with
1052 information obtained from INFO.ABFD or the previously selected
1055 The ARCHES parameter is a linked list (sorted most recently used)
1056 of all the previously created architures for this architecture
1057 family. The (possibly NULL) ARCHES->gdbarch can used to access
1058 values from the previously selected architecture for this
1059 architecture family. The global \`\`current_gdbarch'' shall not be
1062 The INIT function shall return any of: NULL - indicating that it
1063 doesn't recognize the selected architecture; an existing \`\`struct
1064 gdbarch'' from the ARCHES list - indicating that the new
1065 architecture is just a synonym for an earlier architecture (see
1066 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1067 - that describes the selected architecture (see gdbarch_alloc()).
1069 The DUMP_TDEP function shall print out all target specific values.
1070 Care should be taken to ensure that the function works in both the
1071 multi-arch and non- multi-arch cases. */
1075 struct gdbarch *gdbarch;
1076 struct gdbarch_list *next;
1081 /* Use default: NULL (ZERO). */
1082 const struct bfd_arch_info *bfd_arch_info;
1084 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1087 /* Use default: NULL (ZERO). */
1090 /* Use default: NULL (ZERO). */
1091 struct gdbarch_tdep_info *tdep_info;
1093 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1094 enum gdb_osabi osabi;
1097 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1098 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1100 /* DEPRECATED - use gdbarch_register() */
1101 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1103 extern void gdbarch_register (enum bfd_architecture architecture,
1104 gdbarch_init_ftype *,
1105 gdbarch_dump_tdep_ftype *);
1108 /* Return a freshly allocated, NULL terminated, array of the valid
1109 architecture names. Since architectures are registered during the
1110 _initialize phase this function only returns useful information
1111 once initialization has been completed. */
1113 extern const char **gdbarch_printable_names (void);
1116 /* Helper function. Search the list of ARCHES for a GDBARCH that
1117 matches the information provided by INFO. */
1119 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1122 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1123 basic initialization using values obtained from the INFO andTDEP
1124 parameters. set_gdbarch_*() functions are called to complete the
1125 initialization of the object. */
1127 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1130 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1131 It is assumed that the caller freeds the \`\`struct
1134 extern void gdbarch_free (struct gdbarch *);
1137 /* Helper function. Allocate memory from the \`\`struct gdbarch''
1138 obstack. The memory is freed when the corresponding architecture
1141 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1142 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1143 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1146 /* Helper function. Force an update of the current architecture.
1148 The actual architecture selected is determined by INFO, \`\`(gdb) set
1149 architecture'' et.al., the existing architecture and BFD's default
1150 architecture. INFO should be initialized to zero and then selected
1151 fields should be updated.
1153 Returns non-zero if the update succeeds */
1155 extern int gdbarch_update_p (struct gdbarch_info info);
1159 /* Register per-architecture data-pointer.
1161 Reserve space for a per-architecture data-pointer. An identifier
1162 for the reserved data-pointer is returned. That identifer should
1163 be saved in a local static variable.
1165 The per-architecture data-pointer is either initialized explicitly
1166 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1169 Memory for the per-architecture data shall be allocated using
1170 gdbarch_obstack_zalloc. That memory will be deleted when the
1171 corresponding architecture object is deleted.
1173 When a previously created architecture is re-selected, the
1174 per-architecture data-pointer for that previous architecture is
1175 restored. INIT() is not re-called.
1177 Multiple registrarants for any architecture are allowed (and
1178 strongly encouraged). */
1180 struct gdbarch_data;
1182 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1183 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1184 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1185 struct gdbarch_data *data,
1188 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1191 /* Register per-architecture memory region.
1193 Provide a memory-region swap mechanism. Per-architecture memory
1194 region are created. These memory regions are swapped whenever the
1195 architecture is changed. For a new architecture, the memory region
1196 is initialized with zero (0) and the INIT function is called.
1198 Memory regions are swapped / initialized in the order that they are
1199 registered. NULL DATA and/or INIT values can be specified.
1201 New code should use register_gdbarch_data(). */
1203 typedef void (gdbarch_swap_ftype) (void);
1204 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1205 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1209 /* The target-system-dependent byte order is dynamic */
1211 extern int target_byte_order;
1212 #ifndef TARGET_BYTE_ORDER
1213 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1216 extern int target_byte_order_auto;
1217 #ifndef TARGET_BYTE_ORDER_AUTO
1218 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1223 /* The target-system-dependent BFD architecture is dynamic */
1225 extern int target_architecture_auto;
1226 #ifndef TARGET_ARCHITECTURE_AUTO
1227 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1230 extern const struct bfd_arch_info *target_architecture;
1231 #ifndef TARGET_ARCHITECTURE
1232 #define TARGET_ARCHITECTURE (target_architecture + 0)
1236 /* Set the dynamic target-system-dependent parameters (architecture,
1237 byte-order, ...) using information found in the BFD */
1239 extern void set_gdbarch_from_file (bfd *);
1242 /* Initialize the current architecture to the "first" one we find on
1245 extern void initialize_current_architecture (void);
1247 /* For non-multiarched targets, do any initialization of the default
1248 gdbarch object necessary after the _initialize_MODULE functions
1250 extern void initialize_non_multiarch (void);
1252 /* gdbarch trace variable */
1253 extern int gdbarch_debug;
1255 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1260 #../move-if-change new-gdbarch.h gdbarch.h
1261 compare_new gdbarch.h
1268 exec > new-gdbarch.c
1273 #include "arch-utils.h"
1276 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1279 #include "floatformat.h"
1281 #include "gdb_assert.h"
1282 #include "gdb_string.h"
1283 #include "gdb-events.h"
1284 #include "reggroups.h"
1286 #include "symfile.h" /* For entry_point_address. */
1287 #include "gdb_obstack.h"
1289 /* Static function declarations */
1291 static void verify_gdbarch (struct gdbarch *gdbarch);
1292 static void alloc_gdbarch_data (struct gdbarch *);
1293 static void init_gdbarch_swap (struct gdbarch *);
1294 static void clear_gdbarch_swap (struct gdbarch *);
1295 static void swapout_gdbarch_swap (struct gdbarch *);
1296 static void swapin_gdbarch_swap (struct gdbarch *);
1298 /* Non-zero if we want to trace architecture code. */
1300 #ifndef GDBARCH_DEBUG
1301 #define GDBARCH_DEBUG 0
1303 int gdbarch_debug = GDBARCH_DEBUG;
1307 # gdbarch open the gdbarch object
1309 printf "/* Maintain the struct gdbarch object */\n"
1311 printf "struct gdbarch\n"
1313 printf " /* Has this architecture been fully initialized? */\n"
1314 printf " int initialized_p;\n"
1316 printf " /* An obstack bound to the lifetime of the architecture. */\n"
1317 printf " struct obstack *obstack;\n"
1319 printf " /* basic architectural information */\n"
1320 function_list | while do_read
1324 printf " ${returntype} ${function};\n"
1328 printf " /* target specific vector. */\n"
1329 printf " struct gdbarch_tdep *tdep;\n"
1330 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1332 printf " /* per-architecture data-pointers */\n"
1333 printf " unsigned nr_data;\n"
1334 printf " void **data;\n"
1336 printf " /* per-architecture swap-regions */\n"
1337 printf " struct gdbarch_swap *swap;\n"
1340 /* Multi-arch values.
1342 When extending this structure you must:
1344 Add the field below.
1346 Declare set/get functions and define the corresponding
1349 gdbarch_alloc(): If zero/NULL is not a suitable default,
1350 initialize the new field.
1352 verify_gdbarch(): Confirm that the target updated the field
1355 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1358 \`\`startup_gdbarch()'': Append an initial value to the static
1359 variable (base values on the host's c-type system).
1361 get_gdbarch(): Implement the set/get functions (probably using
1362 the macro's as shortcuts).
1367 function_list | while do_read
1369 if class_is_variable_p
1371 printf " ${returntype} ${function};\n"
1372 elif class_is_function_p
1374 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1379 # A pre-initialized vector
1383 /* The default architecture uses host values (for want of a better
1387 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1389 printf "struct gdbarch startup_gdbarch =\n"
1391 printf " 1, /* Always initialized. */\n"
1392 printf " NULL, /* The obstack. */\n"
1393 printf " /* basic architecture information */\n"
1394 function_list | while do_read
1398 printf " ${staticdefault}, /* ${function} */\n"
1402 /* target specific vector and its dump routine */
1404 /*per-architecture data-pointers and swap regions */
1406 /* Multi-arch values */
1408 function_list | while do_read
1410 if class_is_function_p || class_is_variable_p
1412 printf " ${staticdefault}, /* ${function} */\n"
1416 /* startup_gdbarch() */
1419 struct gdbarch *current_gdbarch = &startup_gdbarch;
1421 /* Do any initialization needed for a non-multiarch configuration
1422 after the _initialize_MODULE functions have been run. */
1424 initialize_non_multiarch (void)
1426 alloc_gdbarch_data (&startup_gdbarch);
1427 /* Ensure that all swap areas are zeroed so that they again think
1428 they are starting from scratch. */
1429 clear_gdbarch_swap (&startup_gdbarch);
1430 init_gdbarch_swap (&startup_gdbarch);
1434 # Create a new gdbarch struct
1438 /* Create a new \`\`struct gdbarch'' based on information provided by
1439 \`\`struct gdbarch_info''. */
1444 gdbarch_alloc (const struct gdbarch_info *info,
1445 struct gdbarch_tdep *tdep)
1447 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1448 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1449 the current local architecture and not the previous global
1450 architecture. This ensures that the new architectures initial
1451 values are not influenced by the previous architecture. Once
1452 everything is parameterised with gdbarch, this will go away. */
1453 struct gdbarch *current_gdbarch;
1455 /* Create an obstack for allocating all the per-architecture memory,
1456 then use that to allocate the architecture vector. */
1457 struct obstack *obstack = XMALLOC (struct obstack);
1458 obstack_init (obstack);
1459 current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1460 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1461 current_gdbarch->obstack = obstack;
1463 alloc_gdbarch_data (current_gdbarch);
1465 current_gdbarch->tdep = tdep;
1468 function_list | while do_read
1472 printf " current_gdbarch->${function} = info->${function};\n"
1476 printf " /* Force the explicit initialization of these. */\n"
1477 function_list | while do_read
1479 if class_is_function_p || class_is_variable_p
1481 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1483 printf " current_gdbarch->${function} = ${predefault};\n"
1488 /* gdbarch_alloc() */
1490 return current_gdbarch;
1494 # Free a gdbarch struct.
1498 /* Allocate extra space using the per-architecture obstack. */
1501 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1503 void *data = obstack_alloc (arch->obstack, size);
1504 memset (data, 0, size);
1509 /* Free a gdbarch struct. This should never happen in normal
1510 operation --- once you've created a gdbarch, you keep it around.
1511 However, if an architecture's init function encounters an error
1512 building the structure, it may need to clean up a partially
1513 constructed gdbarch. */
1516 gdbarch_free (struct gdbarch *arch)
1518 struct obstack *obstack;
1519 gdb_assert (arch != NULL);
1520 gdb_assert (!arch->initialized_p);
1521 obstack = arch->obstack;
1522 obstack_free (obstack, 0); /* Includes the ARCH. */
1527 # verify a new architecture
1530 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1534 verify_gdbarch (struct gdbarch *gdbarch)
1536 struct ui_file *log;
1537 struct cleanup *cleanups;
1540 log = mem_fileopen ();
1541 cleanups = make_cleanup_ui_file_delete (log);
1543 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1544 fprintf_unfiltered (log, "\n\tbyte-order");
1545 if (gdbarch->bfd_arch_info == NULL)
1546 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1547 /* Check those that need to be defined for the given multi-arch level. */
1549 function_list | while do_read
1551 if class_is_function_p || class_is_variable_p
1553 if [ "x${invalid_p}" = "x0" ]
1555 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1556 elif class_is_predicate_p
1558 printf " /* Skip verify of ${function}, has predicate */\n"
1559 # FIXME: See do_read for potential simplification
1560 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1562 printf " if (${invalid_p})\n"
1563 printf " gdbarch->${function} = ${postdefault};\n"
1564 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1566 printf " if (gdbarch->${function} == ${predefault})\n"
1567 printf " gdbarch->${function} = ${postdefault};\n"
1568 elif [ -n "${postdefault}" ]
1570 printf " if (gdbarch->${function} == 0)\n"
1571 printf " gdbarch->${function} = ${postdefault};\n"
1572 elif [ -n "${invalid_p}" ]
1574 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1575 printf " && (${invalid_p}))\n"
1576 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1577 elif [ -n "${predefault}" ]
1579 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1580 printf " && (gdbarch->${function} == ${predefault}))\n"
1581 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1586 buf = ui_file_xstrdup (log, &dummy);
1587 make_cleanup (xfree, buf);
1588 if (strlen (buf) > 0)
1589 internal_error (__FILE__, __LINE__,
1590 "verify_gdbarch: the following are invalid ...%s",
1592 do_cleanups (cleanups);
1596 # dump the structure
1600 /* Print out the details of the current architecture. */
1602 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1603 just happens to match the global variable \`\`current_gdbarch''. That
1604 way macros refering to that variable get the local and not the global
1605 version - ulgh. Once everything is parameterised with gdbarch, this
1609 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1611 fprintf_unfiltered (file,
1612 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1615 function_list | sort -t: -k 3 | while do_read
1617 # First the predicate
1618 if class_is_predicate_p
1620 if class_is_multiarch_p
1622 printf " fprintf_unfiltered (file,\n"
1623 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1624 printf " gdbarch_${function}_p (current_gdbarch));\n"
1626 printf "#ifdef ${macro}_P\n"
1627 printf " fprintf_unfiltered (file,\n"
1628 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1629 printf " \"${macro}_P()\",\n"
1630 printf " XSTRING (${macro}_P ()));\n"
1631 printf " fprintf_unfiltered (file,\n"
1632 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1633 printf " ${macro}_P ());\n"
1637 # multiarch functions don't have macros.
1638 if class_is_multiarch_p
1640 printf " fprintf_unfiltered (file,\n"
1641 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1642 printf " (long) current_gdbarch->${function});\n"
1645 # Print the macro definition.
1646 printf "#ifdef ${macro}\n"
1647 if class_is_function_p
1649 printf " fprintf_unfiltered (file,\n"
1650 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1651 printf " \"${macro}(${actual})\",\n"
1652 printf " XSTRING (${macro} (${actual})));\n"
1654 printf " fprintf_unfiltered (file,\n"
1655 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1656 printf " XSTRING (${macro}));\n"
1658 if [ "x${print_p}" = "x()" ]
1660 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1661 elif [ "x${print_p}" = "x0" ]
1663 printf " /* skip print of ${macro}, print_p == 0. */\n"
1664 elif [ -n "${print_p}" ]
1666 printf " if (${print_p})\n"
1667 printf " fprintf_unfiltered (file,\n"
1668 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1669 printf " ${print});\n"
1670 elif class_is_function_p
1672 printf " fprintf_unfiltered (file,\n"
1673 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1674 printf " (long) current_gdbarch->${function}\n"
1675 printf " /*${macro} ()*/);\n"
1677 printf " fprintf_unfiltered (file,\n"
1678 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1679 printf " ${print});\n"
1684 if (current_gdbarch->dump_tdep != NULL)
1685 current_gdbarch->dump_tdep (current_gdbarch, file);
1693 struct gdbarch_tdep *
1694 gdbarch_tdep (struct gdbarch *gdbarch)
1696 if (gdbarch_debug >= 2)
1697 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1698 return gdbarch->tdep;
1702 function_list | while do_read
1704 if class_is_predicate_p
1708 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1710 printf " gdb_assert (gdbarch != NULL);\n"
1711 printf " return ${predicate};\n"
1714 if class_is_function_p
1717 printf "${returntype}\n"
1718 if [ "x${formal}" = "xvoid" ]
1720 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1722 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1725 printf " gdb_assert (gdbarch != NULL);\n"
1726 printf " gdb_assert (gdbarch->${function} != NULL);\n"
1727 if class_is_predicate_p && test -n "${predefault}"
1729 # Allow a call to a function with a predicate.
1730 printf " /* Do not check predicate: ${predicate}, allow call. */\n"
1732 printf " if (gdbarch_debug >= 2)\n"
1733 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1734 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1736 if class_is_multiarch_p
1743 if class_is_multiarch_p
1745 params="gdbarch, ${actual}"
1750 if [ "x${returntype}" = "xvoid" ]
1752 printf " gdbarch->${function} (${params});\n"
1754 printf " return gdbarch->${function} (${params});\n"
1759 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1760 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1762 printf " gdbarch->${function} = ${function};\n"
1764 elif class_is_variable_p
1767 printf "${returntype}\n"
1768 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1770 printf " gdb_assert (gdbarch != NULL);\n"
1771 if [ "x${invalid_p}" = "x0" ]
1773 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1774 elif [ -n "${invalid_p}" ]
1776 printf " /* Check variable is valid. */\n"
1777 printf " gdb_assert (!(${invalid_p}));\n"
1778 elif [ -n "${predefault}" ]
1780 printf " /* Check variable changed from pre-default. */\n"
1781 printf " gdb_assert (gdbarch->${function} != ${predefault});\n"
1783 printf " if (gdbarch_debug >= 2)\n"
1784 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1785 printf " return gdbarch->${function};\n"
1789 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1790 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1792 printf " gdbarch->${function} = ${function};\n"
1794 elif class_is_info_p
1797 printf "${returntype}\n"
1798 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1800 printf " gdb_assert (gdbarch != NULL);\n"
1801 printf " if (gdbarch_debug >= 2)\n"
1802 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1803 printf " return gdbarch->${function};\n"
1808 # All the trailing guff
1812 /* Keep a registry of per-architecture data-pointers required by GDB
1819 gdbarch_data_init_ftype *init;
1822 struct gdbarch_data_registration
1824 struct gdbarch_data *data;
1825 struct gdbarch_data_registration *next;
1828 struct gdbarch_data_registry
1831 struct gdbarch_data_registration *registrations;
1834 struct gdbarch_data_registry gdbarch_data_registry =
1839 struct gdbarch_data *
1840 register_gdbarch_data (gdbarch_data_init_ftype *init)
1842 struct gdbarch_data_registration **curr;
1843 /* Append the new registraration. */
1844 for (curr = &gdbarch_data_registry.registrations;
1846 curr = &(*curr)->next);
1847 (*curr) = XMALLOC (struct gdbarch_data_registration);
1848 (*curr)->next = NULL;
1849 (*curr)->data = XMALLOC (struct gdbarch_data);
1850 (*curr)->data->index = gdbarch_data_registry.nr++;
1851 (*curr)->data->init = init;
1852 (*curr)->data->init_p = 1;
1853 return (*curr)->data;
1857 /* Create/delete the gdbarch data vector. */
1860 alloc_gdbarch_data (struct gdbarch *gdbarch)
1862 gdb_assert (gdbarch->data == NULL);
1863 gdbarch->nr_data = gdbarch_data_registry.nr;
1864 gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1867 /* Initialize the current value of the specified per-architecture
1871 set_gdbarch_data (struct gdbarch *gdbarch,
1872 struct gdbarch_data *data,
1875 gdb_assert (data->index < gdbarch->nr_data);
1876 gdb_assert (gdbarch->data[data->index] == NULL);
1877 gdbarch->data[data->index] = pointer;
1880 /* Return the current value of the specified per-architecture
1884 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1886 gdb_assert (data->index < gdbarch->nr_data);
1887 /* The data-pointer isn't initialized, call init() to get a value but
1888 only if the architecture initializaiton has completed. Otherwise
1889 punt - hope that the caller knows what they are doing. */
1890 if (gdbarch->data[data->index] == NULL
1891 && gdbarch->initialized_p)
1893 /* Be careful to detect an initialization cycle. */
1894 gdb_assert (data->init_p);
1896 gdb_assert (data->init != NULL);
1897 gdbarch->data[data->index] = data->init (gdbarch);
1899 gdb_assert (gdbarch->data[data->index] != NULL);
1901 return gdbarch->data[data->index];
1906 /* Keep a registry of swapped data required by GDB modules. */
1911 struct gdbarch_swap_registration *source;
1912 struct gdbarch_swap *next;
1915 struct gdbarch_swap_registration
1918 unsigned long sizeof_data;
1919 gdbarch_swap_ftype *init;
1920 struct gdbarch_swap_registration *next;
1923 struct gdbarch_swap_registry
1926 struct gdbarch_swap_registration *registrations;
1929 struct gdbarch_swap_registry gdbarch_swap_registry =
1935 register_gdbarch_swap (void *data,
1936 unsigned long sizeof_data,
1937 gdbarch_swap_ftype *init)
1939 struct gdbarch_swap_registration **rego;
1940 for (rego = &gdbarch_swap_registry.registrations;
1942 rego = &(*rego)->next);
1943 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1944 (*rego)->next = NULL;
1945 (*rego)->init = init;
1946 (*rego)->data = data;
1947 (*rego)->sizeof_data = sizeof_data;
1951 clear_gdbarch_swap (struct gdbarch *gdbarch)
1953 struct gdbarch_swap *curr;
1954 for (curr = gdbarch->swap;
1958 memset (curr->source->data, 0, curr->source->sizeof_data);
1963 init_gdbarch_swap (struct gdbarch *gdbarch)
1965 struct gdbarch_swap_registration *rego;
1966 struct gdbarch_swap **curr = &gdbarch->swap;
1967 for (rego = gdbarch_swap_registry.registrations;
1971 if (rego->data != NULL)
1973 (*curr) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdbarch_swap);
1974 (*curr)->source = rego;
1975 (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
1976 (*curr)->next = NULL;
1977 curr = &(*curr)->next;
1979 if (rego->init != NULL)
1985 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1987 struct gdbarch_swap *curr;
1988 for (curr = gdbarch->swap;
1991 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1995 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1997 struct gdbarch_swap *curr;
1998 for (curr = gdbarch->swap;
2001 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2005 /* Keep a registry of the architectures known by GDB. */
2007 struct gdbarch_registration
2009 enum bfd_architecture bfd_architecture;
2010 gdbarch_init_ftype *init;
2011 gdbarch_dump_tdep_ftype *dump_tdep;
2012 struct gdbarch_list *arches;
2013 struct gdbarch_registration *next;
2016 static struct gdbarch_registration *gdbarch_registry = NULL;
2019 append_name (const char ***buf, int *nr, const char *name)
2021 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2027 gdbarch_printable_names (void)
2029 /* Accumulate a list of names based on the registed list of
2031 enum bfd_architecture a;
2033 const char **arches = NULL;
2034 struct gdbarch_registration *rego;
2035 for (rego = gdbarch_registry;
2039 const struct bfd_arch_info *ap;
2040 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2042 internal_error (__FILE__, __LINE__,
2043 "gdbarch_architecture_names: multi-arch unknown");
2046 append_name (&arches, &nr_arches, ap->printable_name);
2051 append_name (&arches, &nr_arches, NULL);
2057 gdbarch_register (enum bfd_architecture bfd_architecture,
2058 gdbarch_init_ftype *init,
2059 gdbarch_dump_tdep_ftype *dump_tdep)
2061 struct gdbarch_registration **curr;
2062 const struct bfd_arch_info *bfd_arch_info;
2063 /* Check that BFD recognizes this architecture */
2064 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2065 if (bfd_arch_info == NULL)
2067 internal_error (__FILE__, __LINE__,
2068 "gdbarch: Attempt to register unknown architecture (%d)",
2071 /* Check that we haven't seen this architecture before */
2072 for (curr = &gdbarch_registry;
2074 curr = &(*curr)->next)
2076 if (bfd_architecture == (*curr)->bfd_architecture)
2077 internal_error (__FILE__, __LINE__,
2078 "gdbarch: Duplicate registraration of architecture (%s)",
2079 bfd_arch_info->printable_name);
2083 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2084 bfd_arch_info->printable_name,
2087 (*curr) = XMALLOC (struct gdbarch_registration);
2088 (*curr)->bfd_architecture = bfd_architecture;
2089 (*curr)->init = init;
2090 (*curr)->dump_tdep = dump_tdep;
2091 (*curr)->arches = NULL;
2092 (*curr)->next = NULL;
2096 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2097 gdbarch_init_ftype *init)
2099 gdbarch_register (bfd_architecture, init, NULL);
2103 /* Look for an architecture using gdbarch_info. Base search on only
2104 BFD_ARCH_INFO and BYTE_ORDER. */
2106 struct gdbarch_list *
2107 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2108 const struct gdbarch_info *info)
2110 for (; arches != NULL; arches = arches->next)
2112 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2114 if (info->byte_order != arches->gdbarch->byte_order)
2116 if (info->osabi != arches->gdbarch->osabi)
2124 /* Update the current architecture. Return ZERO if the update request
2128 gdbarch_update_p (struct gdbarch_info info)
2130 struct gdbarch *new_gdbarch;
2131 struct gdbarch *old_gdbarch;
2132 struct gdbarch_registration *rego;
2134 /* Fill in missing parts of the INFO struct using a number of
2135 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2137 /* \`\`(gdb) set architecture ...'' */
2138 if (info.bfd_arch_info == NULL
2139 && !TARGET_ARCHITECTURE_AUTO)
2140 info.bfd_arch_info = TARGET_ARCHITECTURE;
2141 if (info.bfd_arch_info == NULL
2142 && info.abfd != NULL
2143 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2144 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2145 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2146 if (info.bfd_arch_info == NULL)
2147 info.bfd_arch_info = TARGET_ARCHITECTURE;
2149 /* \`\`(gdb) set byte-order ...'' */
2150 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2151 && !TARGET_BYTE_ORDER_AUTO)
2152 info.byte_order = TARGET_BYTE_ORDER;
2153 /* From the INFO struct. */
2154 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2155 && info.abfd != NULL)
2156 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2157 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2158 : BFD_ENDIAN_UNKNOWN);
2159 /* From the current target. */
2160 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2161 info.byte_order = TARGET_BYTE_ORDER;
2163 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2164 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2165 info.osabi = gdbarch_lookup_osabi (info.abfd);
2166 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2167 info.osabi = current_gdbarch->osabi;
2169 /* Must have found some sort of architecture. */
2170 gdb_assert (info.bfd_arch_info != NULL);
2174 fprintf_unfiltered (gdb_stdlog,
2175 "gdbarch_update: info.bfd_arch_info %s\n",
2176 (info.bfd_arch_info != NULL
2177 ? info.bfd_arch_info->printable_name
2179 fprintf_unfiltered (gdb_stdlog,
2180 "gdbarch_update: info.byte_order %d (%s)\n",
2182 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2183 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2185 fprintf_unfiltered (gdb_stdlog,
2186 "gdbarch_update: info.osabi %d (%s)\n",
2187 info.osabi, gdbarch_osabi_name (info.osabi));
2188 fprintf_unfiltered (gdb_stdlog,
2189 "gdbarch_update: info.abfd 0x%lx\n",
2191 fprintf_unfiltered (gdb_stdlog,
2192 "gdbarch_update: info.tdep_info 0x%lx\n",
2193 (long) info.tdep_info);
2196 /* Find the target that knows about this architecture. */
2197 for (rego = gdbarch_registry;
2200 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2205 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2209 /* Swap the data belonging to the old target out setting the
2210 installed data to zero. This stops the ->init() function trying
2211 to refer to the previous architecture's global data structures. */
2212 swapout_gdbarch_swap (current_gdbarch);
2213 clear_gdbarch_swap (current_gdbarch);
2215 /* Save the previously selected architecture, setting the global to
2216 NULL. This stops ->init() trying to use the previous
2217 architecture's configuration. The previous architecture may not
2218 even be of the same architecture family. The most recent
2219 architecture of the same family is found at the head of the
2220 rego->arches list. */
2221 old_gdbarch = current_gdbarch;
2222 current_gdbarch = NULL;
2224 /* Ask the target for a replacement architecture. */
2225 new_gdbarch = rego->init (info, rego->arches);
2227 /* Did the target like it? No. Reject the change and revert to the
2228 old architecture. */
2229 if (new_gdbarch == NULL)
2232 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2233 swapin_gdbarch_swap (old_gdbarch);
2234 current_gdbarch = old_gdbarch;
2238 /* Did the architecture change? No. Oops, put the old architecture
2240 if (old_gdbarch == new_gdbarch)
2243 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2245 new_gdbarch->bfd_arch_info->printable_name);
2246 swapin_gdbarch_swap (old_gdbarch);
2247 current_gdbarch = old_gdbarch;
2251 /* Is this a pre-existing architecture? Yes. Move it to the front
2252 of the list of architectures (keeping the list sorted Most
2253 Recently Used) and then copy it in. */
2255 struct gdbarch_list **list;
2256 for (list = ®o->arches;
2258 list = &(*list)->next)
2260 if ((*list)->gdbarch == new_gdbarch)
2262 struct gdbarch_list *this;
2264 fprintf_unfiltered (gdb_stdlog,
2265 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2267 new_gdbarch->bfd_arch_info->printable_name);
2270 (*list) = this->next;
2271 /* Insert in the front. */
2272 this->next = rego->arches;
2273 rego->arches = this;
2274 /* Copy the new architecture in. */
2275 current_gdbarch = new_gdbarch;
2276 swapin_gdbarch_swap (new_gdbarch);
2277 architecture_changed_event ();
2283 /* Prepend this new architecture to the architecture list (keep the
2284 list sorted Most Recently Used). */
2286 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2287 this->next = rego->arches;
2288 this->gdbarch = new_gdbarch;
2289 rego->arches = this;
2292 /* Switch to this new architecture marking it initialized. */
2293 current_gdbarch = new_gdbarch;
2294 current_gdbarch->initialized_p = 1;
2297 fprintf_unfiltered (gdb_stdlog,
2298 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2300 new_gdbarch->bfd_arch_info->printable_name);
2303 /* Check that the newly installed architecture is valid. Plug in
2304 any post init values. */
2305 new_gdbarch->dump_tdep = rego->dump_tdep;
2306 verify_gdbarch (new_gdbarch);
2308 /* Initialize the per-architecture memory (swap) areas.
2309 CURRENT_GDBARCH must be update before these modules are
2311 init_gdbarch_swap (new_gdbarch);
2313 /* Initialize the per-architecture data. CURRENT_GDBARCH
2314 must be updated before these modules are called. */
2315 architecture_changed_event ();
2318 gdbarch_dump (current_gdbarch, gdb_stdlog);
2324 extern void _initialize_gdbarch (void);
2327 _initialize_gdbarch (void)
2329 struct cmd_list_element *c;
2331 add_show_from_set (add_set_cmd ("arch",
2334 (char *)&gdbarch_debug,
2335 "Set architecture debugging.\\n\\
2336 When non-zero, architecture debugging is enabled.", &setdebuglist),
2338 c = add_set_cmd ("archdebug",
2341 (char *)&gdbarch_debug,
2342 "Set architecture debugging.\\n\\
2343 When non-zero, architecture debugging is enabled.", &setlist);
2345 deprecate_cmd (c, "set debug arch");
2346 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2352 #../move-if-change new-gdbarch.c gdbarch.c
2353 compare_new gdbarch.c