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" ;;
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 ;;
97 # NOT YET: Breaks BELIEVE_PCC_PROMOTION and confuses non-
98 # multi-arch defaults.
99 # test "${predefault}" || predefault=0
101 # come up with a format, use a few guesses for variables
102 case ":${class}:${fmt}:${print}:" in
104 if [ "${returntype}" = int ]
108 elif [ "${returntype}" = long ]
115 test "${fmt}" || fmt="%ld"
116 test "${print}" || print="(long) ${macro}"
120 case "${invalid_p}" in
122 if test -n "${predefault}" -a "${predefault}" != "0"
124 #invalid_p="gdbarch->${function} == ${predefault}"
125 predicate="gdbarch->${function} != ${predefault}"
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::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::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::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::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::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::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::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::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::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::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::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::TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
429 f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
430 f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
431 f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
432 f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
433 f::TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
434 # Function for getting target's idea of a frame pointer. FIXME: GDB's
435 # whole scheme for dealing with "frames" and "frame pointers" needs a
437 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
439 M:::void:pseudo_register_read:struct regcache *regcache, int cookednum, void *buf:regcache, cookednum, buf:
440 M:::void:pseudo_register_write:struct regcache *regcache, int cookednum, const void *buf:regcache, cookednum, buf:
442 v:2:NUM_REGS:int:num_regs::::0:-1
443 # This macro gives the number of pseudo-registers that live in the
444 # register namespace but do not get fetched or stored on the target.
445 # These pseudo-registers may be aliases for other registers,
446 # combinations of other registers, or they may be computed by GDB.
447 v:2:NUM_PSEUDO_REGS:int:num_pseudo_regs::::0:0::0:::
449 # GDB's standard (or well known) register numbers. These can map onto
450 # a real register or a pseudo (computed) register or not be defined at
452 v:2:SP_REGNUM:int:sp_regnum::::-1:-1::0
453 v:2:FP_REGNUM:int:fp_regnum::::-1:-1::0
454 v:2:PC_REGNUM:int:pc_regnum::::-1:-1::0
455 v:2:PS_REGNUM:int:ps_regnum::::-1:-1::0
456 v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
457 v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
458 # Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
459 f:2:STAB_REG_TO_REGNUM:int:stab_reg_to_regnum:int stab_regnr:stab_regnr:::no_op_reg_to_regnum::0
460 # Provide a default mapping from a ecoff register number to a gdb REGNUM.
461 f:2:ECOFF_REG_TO_REGNUM:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr:::no_op_reg_to_regnum::0
462 # Provide a default mapping from a DWARF register number to a gdb REGNUM.
463 f:2:DWARF_REG_TO_REGNUM:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr:::no_op_reg_to_regnum::0
464 # Convert from an sdb register number to an internal gdb register number.
465 # This should be defined in tm.h, if REGISTER_NAMES is not set up
466 # to map one to one onto the sdb register numbers.
467 f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
468 f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
469 f:2:REGISTER_NAME:const char *:register_name:int regnr:regnr:::legacy_register_name::0
470 v:2:REGISTER_SIZE:int:register_size::::0:-1
471 v:2:REGISTER_BYTES:int:register_bytes::::0:-1
472 f:2:REGISTER_BYTE:int:register_byte:int reg_nr:reg_nr::generic_register_byte:generic_register_byte::0
473 f:2:REGISTER_RAW_SIZE:int:register_raw_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
474 v:2:MAX_REGISTER_RAW_SIZE:int:max_register_raw_size::::0:-1
475 f:2:REGISTER_VIRTUAL_SIZE:int:register_virtual_size:int reg_nr:reg_nr::generic_register_size:generic_register_size::0
476 v:2:MAX_REGISTER_VIRTUAL_SIZE:int:max_register_virtual_size::::0:-1
477 f:2:REGISTER_VIRTUAL_TYPE:struct type *:register_virtual_type:int reg_nr:reg_nr::0:0
479 F:2:DEPRECATED_DO_REGISTERS_INFO:void:deprecated_do_registers_info:int reg_nr, int fpregs:reg_nr, fpregs
480 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
481 M:2:PRINT_FLOAT_INFO:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
482 M:2:PRINT_VECTOR_INFO:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
483 # MAP a GDB RAW register number onto a simulator register number. See
484 # also include/...-sim.h.
485 f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::legacy_register_sim_regno::0
486 F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
487 f:2:CANNOT_FETCH_REGISTER:int:cannot_fetch_register:int regnum:regnum:::cannot_register_not::0
488 f:2:CANNOT_STORE_REGISTER:int:cannot_store_register:int regnum:regnum:::cannot_register_not::0
489 # setjmp/longjmp support.
490 F:2:GET_LONGJMP_TARGET:int:get_longjmp_target:CORE_ADDR *pc:pc::0:0
492 # Non multi-arch DUMMY_FRAMES are a mess (multi-arch ones are not that
493 # much better but at least they are vaguely consistent). The headers
494 # and body contain convoluted #if/#else sequences for determine how
495 # things should be compiled. Instead of trying to mimic that
496 # behaviour here (and hence entrench it further) gdbarch simply
497 # reqires that these methods be set up from the word go. This also
498 # avoids any potential problems with moving beyond multi-arch partial.
499 v:1:DEPRECATED_USE_GENERIC_DUMMY_FRAMES:int:deprecated_use_generic_dummy_frames:::::1::0
500 v:1:CALL_DUMMY_LOCATION:int:call_dummy_location:::::AT_ENTRY_POINT::0
501 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
502 v:2:CALL_DUMMY_START_OFFSET:CORE_ADDR:call_dummy_start_offset::::0:-1:::0x%08lx
503 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
504 v:1:CALL_DUMMY_BREAKPOINT_OFFSET_P:int:call_dummy_breakpoint_offset_p::::0:-1
505 v:2:CALL_DUMMY_LENGTH:int:call_dummy_length::::0:-1:::::CALL_DUMMY_LOCATION == BEFORE_TEXT_END || CALL_DUMMY_LOCATION == AFTER_TEXT_END
506 # NOTE: cagney/2002-11-24: This function with predicate has a valid
507 # (callable) initial value. As a consequence, even when the predicate
508 # is false, the corresponding function works. This simplifies the
509 # migration process - old code, calling DEPRECATED_PC_IN_CALL_DUMMY(),
510 # doesn't need to be modified.
511 F:1: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
512 v:1:CALL_DUMMY_P:int:call_dummy_p::::0:-1
513 v:2:CALL_DUMMY_WORDS:LONGEST *:call_dummy_words::::0:legacy_call_dummy_words::0:0x%08lx
514 v:2:SIZEOF_CALL_DUMMY_WORDS:int:sizeof_call_dummy_words::::0:legacy_sizeof_call_dummy_words::0:0x%08lx
515 v:1:CALL_DUMMY_STACK_ADJUST_P:int:call_dummy_stack_adjust_p::::0:-1:::0x%08lx
516 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
517 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
518 F:2:DEPRECATED_INIT_FRAME_PC_FIRST:CORE_ADDR:deprecated_init_frame_pc_first:int fromleaf, struct frame_info *prev:fromleaf, prev
519 F::DEPRECATED_INIT_FRAME_PC:CORE_ADDR:deprecated_init_frame_pc:int fromleaf, struct frame_info *prev:fromleaf, prev
521 v:2:BELIEVE_PCC_PROMOTION:int:believe_pcc_promotion:::::::
522 v:2:BELIEVE_PCC_PROMOTION_TYPE:int:believe_pcc_promotion_type:::::::
523 F:2: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
525 f:2:REGISTER_CONVERTIBLE:int:register_convertible:int nr:nr:::generic_register_convertible_not::0
526 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
527 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
529 f:1:CONVERT_REGISTER_P:int:convert_register_p:int regnum:regnum::0:legacy_convert_register_p::0
530 f:1:REGISTER_TO_VALUE:void:register_to_value:int regnum, struct type *type, char *from, char *to:regnum, type, from, to::0:legacy_register_to_value::0
531 f:1:VALUE_TO_REGISTER:void:value_to_register:struct type *type, int regnum, char *from, char *to:type, regnum, from, to::0:legacy_value_to_register::0
533 f:2:POINTER_TO_ADDRESS:CORE_ADDR:pointer_to_address:struct type *type, const void *buf:type, buf:::unsigned_pointer_to_address::0
534 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
535 F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
537 f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
538 f:2:PUSH_ARGUMENTS:CORE_ADDR:push_arguments:int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:nargs, args, sp, struct_return, struct_addr:::default_push_arguments::0
539 f:2:PUSH_DUMMY_FRAME:void:push_dummy_frame:void:-:::0
540 F:2:PUSH_RETURN_ADDRESS:CORE_ADDR:push_return_address:CORE_ADDR pc, CORE_ADDR sp:pc, sp:::0
541 f:2:POP_FRAME:void:pop_frame:void:-:::0
543 f:2:STORE_STRUCT_RETURN:void:store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp:::0
545 f::EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
546 f::STORE_RETURN_VALUE:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf:::legacy_store_return_value::0
547 f::DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
548 f::DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
550 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache:::0
551 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf:::0
552 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
554 F:2:FRAME_INIT_SAVED_REGS:void:frame_init_saved_regs:struct frame_info *frame:frame:::0
555 F:2:INIT_EXTRA_FRAME_INFO:void:init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame:::0
557 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
558 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
559 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
560 f:2:BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::legacy_breakpoint_from_pc::0
561 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
562 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
563 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
564 f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
565 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
567 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
569 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
570 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
571 f:2:FRAME_CHAIN:CORE_ADDR:frame_chain:struct frame_info *frame:frame::0:0
572 F:2:FRAME_CHAIN_VALID:int:frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe::0:0
573 f:2:FRAME_SAVED_PC:CORE_ADDR:frame_saved_pc:struct frame_info *fi:fi::0:0
574 f:2:FRAME_ARGS_ADDRESS:CORE_ADDR:frame_args_address:struct frame_info *fi:fi::0:get_frame_base::0
575 f:2:FRAME_LOCALS_ADDRESS:CORE_ADDR:frame_locals_address:struct frame_info *fi:fi::0:get_frame_base::0
576 f:2:SAVED_PC_AFTER_CALL:CORE_ADDR:saved_pc_after_call:struct frame_info *frame:frame::0:0
577 f:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame::0:0
579 F:2:STACK_ALIGN:CORE_ADDR:stack_align:CORE_ADDR sp:sp::0:0
580 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
581 v:2:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
582 F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
583 F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
584 v:2:PARM_BOUNDARY:int:parm_boundary
586 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
587 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
588 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
589 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
590 # On some machines there are bits in addresses which are not really
591 # part of the address, but are used by the kernel, the hardware, etc.
592 # for special purposes. ADDR_BITS_REMOVE takes out any such bits so
593 # we get a "real" address such as one would find in a symbol table.
594 # This is used only for addresses of instructions, and even then I'm
595 # not sure it's used in all contexts. It exists to deal with there
596 # being a few stray bits in the PC which would mislead us, not as some
597 # sort of generic thing to handle alignment or segmentation (it's
598 # possible it should be in TARGET_READ_PC instead).
599 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
600 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
602 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
603 # FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
604 # the target needs software single step. An ISA method to implement it.
606 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
607 # using the breakpoint system instead of blatting memory directly (as with rs6000).
609 # FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
610 # single step. If not, then implement single step using breakpoints.
611 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
612 f:2:TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, disassemble_info *info:vma, info:::legacy_print_insn::0
613 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
616 # For SVR4 shared libraries, each call goes through a small piece of
617 # trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
618 # to nonzero if we are currently stopped in one of these.
619 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
621 # Some systems also have trampoline code for returning from shared libs.
622 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
624 # Sigtramp is a routine that the kernel calls (which then calls the
625 # signal handler). On most machines it is a library routine that is
626 # linked into the executable.
628 # This macro, given a program counter value and the name of the
629 # function in which that PC resides (which can be null if the name is
630 # not known), returns nonzero if the PC and name show that we are in
633 # On most machines just see if the name is sigtramp (and if we have
634 # no name, assume we are not in sigtramp).
636 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
637 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
638 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
639 # own local NAME lookup.
641 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
642 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
644 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
645 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
646 F::SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
647 # A target might have problems with watchpoints as soon as the stack
648 # frame of the current function has been destroyed. This mostly happens
649 # as the first action in a funtion's epilogue. in_function_epilogue_p()
650 # is defined to return a non-zero value if either the given addr is one
651 # instruction after the stack destroying instruction up to the trailing
652 # return instruction or if we can figure out that the stack frame has
653 # already been invalidated regardless of the value of addr. Targets
654 # which don't suffer from that problem could just let this functionality
656 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
657 # Given a vector of command-line arguments, return a newly allocated
658 # string which, when passed to the create_inferior function, will be
659 # parsed (on Unix systems, by the shell) to yield the same vector.
660 # This function should call error() if the argument vector is not
661 # representable for this target or if this target does not support
662 # command-line arguments.
663 # ARGC is the number of elements in the vector.
664 # ARGV is an array of strings, one per argument.
665 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
666 F:2:DWARF2_BUILD_FRAME_INFO:void:dwarf2_build_frame_info:struct objfile *objfile:objfile:::0
667 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
668 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
669 v::NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
670 v::CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
671 v::HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
672 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
673 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags:
674 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
675 # Is a register in a group
676 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
683 exec > new-gdbarch.log
684 function_list | while do_read
687 ${class} ${macro}(${actual})
688 ${returntype} ${function} ($formal)${attrib}
692 eval echo \"\ \ \ \ ${r}=\${${r}}\"
694 if class_is_predicate_p && fallback_default_p
696 echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
700 if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
702 echo "Error: postdefault is useless when invalid_p=0" 1>&2
706 if class_is_multiarch_p
708 if class_is_predicate_p ; then :
709 elif test "x${predefault}" = "x"
711 echo "Error: pure multi-arch function must have a predefault" 1>&2
720 compare_new gdbarch.log
726 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
728 /* Dynamic architecture support for GDB, the GNU debugger.
729 Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
731 This file is part of GDB.
733 This program is free software; you can redistribute it and/or modify
734 it under the terms of the GNU General Public License as published by
735 the Free Software Foundation; either version 2 of the License, or
736 (at your option) any later version.
738 This program is distributed in the hope that it will be useful,
739 but WITHOUT ANY WARRANTY; without even the implied warranty of
740 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
741 GNU General Public License for more details.
743 You should have received a copy of the GNU General Public License
744 along with this program; if not, write to the Free Software
745 Foundation, Inc., 59 Temple Place - Suite 330,
746 Boston, MA 02111-1307, USA. */
748 /* This file was created with the aid of \`\`gdbarch.sh''.
750 The Bourne shell script \`\`gdbarch.sh'' creates the files
751 \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
752 against the existing \`\`gdbarch.[hc]''. Any differences found
755 If editing this file, please also run gdbarch.sh and merge any
756 changes into that script. Conversely, when making sweeping changes
757 to this file, modifying gdbarch.sh and using its output may prove
773 #include "dis-asm.h" /* Get defs for disassemble_info, which unfortunately is a typedef. */
775 /* Pull in function declarations refered to, indirectly, via macros. */
776 #include "inferior.h" /* For unsigned_address_to_pointer(). */
782 struct minimal_symbol;
786 extern struct gdbarch *current_gdbarch;
789 /* If any of the following are defined, the target wasn't correctly
793 #if defined (EXTRA_FRAME_INFO)
794 #error "EXTRA_FRAME_INFO: replaced by struct frame_extra_info"
799 #if defined (FRAME_FIND_SAVED_REGS)
800 #error "FRAME_FIND_SAVED_REGS: replaced by FRAME_INIT_SAVED_REGS"
804 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
805 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
812 printf "/* The following are pre-initialized by GDBARCH. */\n"
813 function_list | while do_read
818 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
819 printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
820 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
821 printf "#error \"Non multi-arch definition of ${macro}\"\n"
823 printf "#if GDB_MULTI_ARCH\n"
824 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
825 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
834 printf "/* The following are initialized by the target dependent code. */\n"
835 function_list | while do_read
837 if [ -n "${comment}" ]
839 echo "${comment}" | sed \
844 if class_is_multiarch_p
846 if class_is_predicate_p
849 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
852 if class_is_predicate_p
855 printf "#if defined (${macro})\n"
856 printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
857 #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
858 printf "#if !defined (${macro}_P)\n"
859 printf "#define ${macro}_P() (1)\n"
863 printf "/* Default predicate for non- multi-arch targets. */\n"
864 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
865 printf "#define ${macro}_P() (0)\n"
868 printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
869 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
870 printf "#error \"Non multi-arch definition of ${macro}\"\n"
872 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
873 printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
877 if class_is_variable_p
879 if fallback_default_p || class_is_predicate_p
882 printf "/* Default (value) for non- multi-arch platforms. */\n"
883 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
884 echo "#define ${macro} (${fallbackdefault})" \
885 | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
889 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
890 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
891 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
892 printf "#error \"Non multi-arch definition of ${macro}\"\n"
894 printf "#if GDB_MULTI_ARCH\n"
895 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
896 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
900 if class_is_function_p
902 if class_is_multiarch_p ; then :
903 elif fallback_default_p || class_is_predicate_p
906 printf "/* Default (function) for non- multi-arch platforms. */\n"
907 printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
908 if [ "x${fallbackdefault}" = "x0" ]
910 printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
912 # FIXME: Should be passing current_gdbarch through!
913 echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
914 | sed -e 's/\([^a-z_]\)\(gdbarch[^a-z_]\)/\1current_\2/g'
919 if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
921 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
922 elif class_is_multiarch_p
924 printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
926 printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
928 if [ "x${formal}" = "xvoid" ]
930 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
932 printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
934 printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
935 if class_is_multiarch_p ; then :
937 printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
938 printf "#error \"Non multi-arch definition of ${macro}\"\n"
940 printf "#if GDB_MULTI_ARCH\n"
941 printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro})\n"
942 if [ "x${actual}" = "x" ]
944 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
945 elif [ "x${actual}" = "x-" ]
947 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
949 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
960 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
963 /* Mechanism for co-ordinating the selection of a specific
966 GDB targets (*-tdep.c) can register an interest in a specific
967 architecture. Other GDB components can register a need to maintain
968 per-architecture data.
970 The mechanisms below ensures that there is only a loose connection
971 between the set-architecture command and the various GDB
972 components. Each component can independently register their need
973 to maintain architecture specific data with gdbarch.
977 Previously, a single TARGET_ARCHITECTURE_HOOK was provided. It
980 The more traditional mega-struct containing architecture specific
981 data for all the various GDB components was also considered. Since
982 GDB is built from a variable number of (fairly independent)
983 components it was determined that the global aproach was not
987 /* Register a new architectural family with GDB.
989 Register support for the specified ARCHITECTURE with GDB. When
990 gdbarch determines that the specified architecture has been
991 selected, the corresponding INIT function is called.
995 The INIT function takes two parameters: INFO which contains the
996 information available to gdbarch about the (possibly new)
997 architecture; ARCHES which is a list of the previously created
998 \`\`struct gdbarch'' for this architecture.
1000 The INFO parameter is, as far as possible, be pre-initialized with
1001 information obtained from INFO.ABFD or the previously selected
1004 The ARCHES parameter is a linked list (sorted most recently used)
1005 of all the previously created architures for this architecture
1006 family. The (possibly NULL) ARCHES->gdbarch can used to access
1007 values from the previously selected architecture for this
1008 architecture family. The global \`\`current_gdbarch'' shall not be
1011 The INIT function shall return any of: NULL - indicating that it
1012 doesn't recognize the selected architecture; an existing \`\`struct
1013 gdbarch'' from the ARCHES list - indicating that the new
1014 architecture is just a synonym for an earlier architecture (see
1015 gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1016 - that describes the selected architecture (see gdbarch_alloc()).
1018 The DUMP_TDEP function shall print out all target specific values.
1019 Care should be taken to ensure that the function works in both the
1020 multi-arch and non- multi-arch cases. */
1024 struct gdbarch *gdbarch;
1025 struct gdbarch_list *next;
1030 /* Use default: NULL (ZERO). */
1031 const struct bfd_arch_info *bfd_arch_info;
1033 /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
1036 /* Use default: NULL (ZERO). */
1039 /* Use default: NULL (ZERO). */
1040 struct gdbarch_tdep_info *tdep_info;
1042 /* Use default: GDB_OSABI_UNINITIALIZED (-1). */
1043 enum gdb_osabi osabi;
1046 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1047 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1049 /* DEPRECATED - use gdbarch_register() */
1050 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1052 extern void gdbarch_register (enum bfd_architecture architecture,
1053 gdbarch_init_ftype *,
1054 gdbarch_dump_tdep_ftype *);
1057 /* Return a freshly allocated, NULL terminated, array of the valid
1058 architecture names. Since architectures are registered during the
1059 _initialize phase this function only returns useful information
1060 once initialization has been completed. */
1062 extern const char **gdbarch_printable_names (void);
1065 /* Helper function. Search the list of ARCHES for a GDBARCH that
1066 matches the information provided by INFO. */
1068 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
1071 /* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
1072 basic initialization using values obtained from the INFO andTDEP
1073 parameters. set_gdbarch_*() functions are called to complete the
1074 initialization of the object. */
1076 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1079 /* Helper function. Free a partially-constructed \`\`struct gdbarch''.
1080 It is assumed that the caller freeds the \`\`struct
1083 extern void gdbarch_free (struct gdbarch *);
1086 /* Helper function. Force an update of the current architecture.
1088 The actual architecture selected is determined by INFO, \`\`(gdb) set
1089 architecture'' et.al., the existing architecture and BFD's default
1090 architecture. INFO should be initialized to zero and then selected
1091 fields should be updated.
1093 Returns non-zero if the update succeeds */
1095 extern int gdbarch_update_p (struct gdbarch_info info);
1099 /* Register per-architecture data-pointer.
1101 Reserve space for a per-architecture data-pointer. An identifier
1102 for the reserved data-pointer is returned. That identifer should
1103 be saved in a local static variable.
1105 The per-architecture data-pointer is either initialized explicitly
1106 (set_gdbarch_data()) or implicitly (by INIT() via a call to
1107 gdbarch_data()). FREE() is called to delete either an existing
1108 data-pointer overridden by set_gdbarch_data() or when the
1109 architecture object is being deleted.
1111 When a previously created architecture is re-selected, the
1112 per-architecture data-pointer for that previous architecture is
1113 restored. INIT() is not re-called.
1115 Multiple registrarants for any architecture are allowed (and
1116 strongly encouraged). */
1118 struct gdbarch_data;
1120 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1121 typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
1123 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
1124 gdbarch_data_free_ftype *free);
1125 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1126 struct gdbarch_data *data,
1129 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1132 /* Register per-architecture memory region.
1134 Provide a memory-region swap mechanism. Per-architecture memory
1135 region are created. These memory regions are swapped whenever the
1136 architecture is changed. For a new architecture, the memory region
1137 is initialized with zero (0) and the INIT function is called.
1139 Memory regions are swapped / initialized in the order that they are
1140 registered. NULL DATA and/or INIT values can be specified.
1142 New code should use register_gdbarch_data(). */
1144 typedef void (gdbarch_swap_ftype) (void);
1145 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1146 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1150 /* The target-system-dependent byte order is dynamic */
1152 extern int target_byte_order;
1153 #ifndef TARGET_BYTE_ORDER
1154 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1157 extern int target_byte_order_auto;
1158 #ifndef TARGET_BYTE_ORDER_AUTO
1159 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1164 /* The target-system-dependent BFD architecture is dynamic */
1166 extern int target_architecture_auto;
1167 #ifndef TARGET_ARCHITECTURE_AUTO
1168 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1171 extern const struct bfd_arch_info *target_architecture;
1172 #ifndef TARGET_ARCHITECTURE
1173 #define TARGET_ARCHITECTURE (target_architecture + 0)
1177 /* The target-system-dependent disassembler is semi-dynamic */
1179 extern int dis_asm_read_memory (bfd_vma memaddr, bfd_byte *myaddr,
1180 unsigned int len, disassemble_info *info);
1182 extern void dis_asm_memory_error (int status, bfd_vma memaddr,
1183 disassemble_info *info);
1185 extern void dis_asm_print_address (bfd_vma addr,
1186 disassemble_info *info);
1188 extern int (*tm_print_insn) (bfd_vma, disassemble_info*);
1189 extern disassemble_info tm_print_insn_info;
1190 #ifndef TARGET_PRINT_INSN_INFO
1191 #define TARGET_PRINT_INSN_INFO (&tm_print_insn_info)
1196 /* Set the dynamic target-system-dependent parameters (architecture,
1197 byte-order, ...) using information found in the BFD */
1199 extern void set_gdbarch_from_file (bfd *);
1202 /* Initialize the current architecture to the "first" one we find on
1205 extern void initialize_current_architecture (void);
1207 /* For non-multiarched targets, do any initialization of the default
1208 gdbarch object necessary after the _initialize_MODULE functions
1210 extern void initialize_non_multiarch (void);
1212 /* gdbarch trace variable */
1213 extern int gdbarch_debug;
1215 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1220 #../move-if-change new-gdbarch.h gdbarch.h
1221 compare_new gdbarch.h
1228 exec > new-gdbarch.c
1233 #include "arch-utils.h"
1237 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1239 /* Just include everything in sight so that the every old definition
1240 of macro is visible. */
1241 #include "gdb_string.h"
1245 #include "inferior.h"
1246 #include "breakpoint.h"
1247 #include "gdb_wait.h"
1248 #include "gdbcore.h"
1251 #include "gdbthread.h"
1252 #include "annotate.h"
1253 #include "symfile.h" /* for overlay functions */
1254 #include "value.h" /* For old tm.h/nm.h macros. */
1258 #include "floatformat.h"
1260 #include "gdb_assert.h"
1261 #include "gdb_string.h"
1262 #include "gdb-events.h"
1263 #include "reggroups.h"
1266 /* Static function declarations */
1268 static void verify_gdbarch (struct gdbarch *gdbarch);
1269 static void alloc_gdbarch_data (struct gdbarch *);
1270 static void free_gdbarch_data (struct gdbarch *);
1271 static void init_gdbarch_swap (struct gdbarch *);
1272 static void clear_gdbarch_swap (struct gdbarch *);
1273 static void swapout_gdbarch_swap (struct gdbarch *);
1274 static void swapin_gdbarch_swap (struct gdbarch *);
1276 /* Non-zero if we want to trace architecture code. */
1278 #ifndef GDBARCH_DEBUG
1279 #define GDBARCH_DEBUG 0
1281 int gdbarch_debug = GDBARCH_DEBUG;
1285 # gdbarch open the gdbarch object
1287 printf "/* Maintain the struct gdbarch object */\n"
1289 printf "struct gdbarch\n"
1291 printf " /* Has this architecture been fully initialized? */\n"
1292 printf " int initialized_p;\n"
1293 printf " /* basic architectural information */\n"
1294 function_list | while do_read
1298 printf " ${returntype} ${function};\n"
1302 printf " /* target specific vector. */\n"
1303 printf " struct gdbarch_tdep *tdep;\n"
1304 printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
1306 printf " /* per-architecture data-pointers */\n"
1307 printf " unsigned nr_data;\n"
1308 printf " void **data;\n"
1310 printf " /* per-architecture swap-regions */\n"
1311 printf " struct gdbarch_swap *swap;\n"
1314 /* Multi-arch values.
1316 When extending this structure you must:
1318 Add the field below.
1320 Declare set/get functions and define the corresponding
1323 gdbarch_alloc(): If zero/NULL is not a suitable default,
1324 initialize the new field.
1326 verify_gdbarch(): Confirm that the target updated the field
1329 gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1332 \`\`startup_gdbarch()'': Append an initial value to the static
1333 variable (base values on the host's c-type system).
1335 get_gdbarch(): Implement the set/get functions (probably using
1336 the macro's as shortcuts).
1341 function_list | while do_read
1343 if class_is_variable_p
1345 printf " ${returntype} ${function};\n"
1346 elif class_is_function_p
1348 printf " gdbarch_${function}_ftype *${function}${attrib};\n"
1353 # A pre-initialized vector
1357 /* The default architecture uses host values (for want of a better
1361 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1363 printf "struct gdbarch startup_gdbarch =\n"
1365 printf " 1, /* Always initialized. */\n"
1366 printf " /* basic architecture information */\n"
1367 function_list | while do_read
1371 printf " ${staticdefault},\n"
1375 /* target specific vector and its dump routine */
1377 /*per-architecture data-pointers and swap regions */
1379 /* Multi-arch values */
1381 function_list | while do_read
1383 if class_is_function_p || class_is_variable_p
1385 printf " ${staticdefault},\n"
1389 /* startup_gdbarch() */
1392 struct gdbarch *current_gdbarch = &startup_gdbarch;
1394 /* Do any initialization needed for a non-multiarch configuration
1395 after the _initialize_MODULE functions have been run. */
1397 initialize_non_multiarch (void)
1399 alloc_gdbarch_data (&startup_gdbarch);
1400 /* Ensure that all swap areas are zeroed so that they again think
1401 they are starting from scratch. */
1402 clear_gdbarch_swap (&startup_gdbarch);
1403 init_gdbarch_swap (&startup_gdbarch);
1407 # Create a new gdbarch struct
1411 /* Create a new \`\`struct gdbarch'' based on information provided by
1412 \`\`struct gdbarch_info''. */
1417 gdbarch_alloc (const struct gdbarch_info *info,
1418 struct gdbarch_tdep *tdep)
1420 /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1421 so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1422 the current local architecture and not the previous global
1423 architecture. This ensures that the new architectures initial
1424 values are not influenced by the previous architecture. Once
1425 everything is parameterised with gdbarch, this will go away. */
1426 struct gdbarch *current_gdbarch = XMALLOC (struct gdbarch);
1427 memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1429 alloc_gdbarch_data (current_gdbarch);
1431 current_gdbarch->tdep = tdep;
1434 function_list | while do_read
1438 printf " current_gdbarch->${function} = info->${function};\n"
1442 printf " /* Force the explicit initialization of these. */\n"
1443 function_list | while do_read
1445 if class_is_function_p || class_is_variable_p
1447 if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1449 printf " current_gdbarch->${function} = ${predefault};\n"
1454 /* gdbarch_alloc() */
1456 return current_gdbarch;
1460 # Free a gdbarch struct.
1464 /* Free a gdbarch struct. This should never happen in normal
1465 operation --- once you've created a gdbarch, you keep it around.
1466 However, if an architecture's init function encounters an error
1467 building the structure, it may need to clean up a partially
1468 constructed gdbarch. */
1471 gdbarch_free (struct gdbarch *arch)
1473 gdb_assert (arch != NULL);
1474 free_gdbarch_data (arch);
1479 # verify a new architecture
1482 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1486 verify_gdbarch (struct gdbarch *gdbarch)
1488 struct ui_file *log;
1489 struct cleanup *cleanups;
1492 /* Only perform sanity checks on a multi-arch target. */
1493 if (!GDB_MULTI_ARCH)
1495 log = mem_fileopen ();
1496 cleanups = make_cleanup_ui_file_delete (log);
1498 if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1499 fprintf_unfiltered (log, "\n\tbyte-order");
1500 if (gdbarch->bfd_arch_info == NULL)
1501 fprintf_unfiltered (log, "\n\tbfd_arch_info");
1502 /* Check those that need to be defined for the given multi-arch level. */
1504 function_list | while do_read
1506 if class_is_function_p || class_is_variable_p
1508 if [ "x${invalid_p}" = "x0" ]
1510 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1511 elif class_is_predicate_p
1513 printf " /* Skip verify of ${function}, has predicate */\n"
1514 # FIXME: See do_read for potential simplification
1515 elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1517 printf " if (${invalid_p})\n"
1518 printf " gdbarch->${function} = ${postdefault};\n"
1519 elif [ -n "${predefault}" -a -n "${postdefault}" ]
1521 printf " if (gdbarch->${function} == ${predefault})\n"
1522 printf " gdbarch->${function} = ${postdefault};\n"
1523 elif [ -n "${postdefault}" ]
1525 printf " if (gdbarch->${function} == 0)\n"
1526 printf " gdbarch->${function} = ${postdefault};\n"
1527 elif [ -n "${invalid_p}" ]
1529 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1530 printf " && (${invalid_p}))\n"
1531 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1532 elif [ -n "${predefault}" ]
1534 printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
1535 printf " && (gdbarch->${function} == ${predefault}))\n"
1536 printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1541 buf = ui_file_xstrdup (log, &dummy);
1542 make_cleanup (xfree, buf);
1543 if (strlen (buf) > 0)
1544 internal_error (__FILE__, __LINE__,
1545 "verify_gdbarch: the following are invalid ...%s",
1547 do_cleanups (cleanups);
1551 # dump the structure
1555 /* Print out the details of the current architecture. */
1557 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1558 just happens to match the global variable \`\`current_gdbarch''. That
1559 way macros refering to that variable get the local and not the global
1560 version - ulgh. Once everything is parameterised with gdbarch, this
1564 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1566 fprintf_unfiltered (file,
1567 "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1570 function_list | sort -t: -k 3 | while do_read
1572 # First the predicate
1573 if class_is_predicate_p
1575 if class_is_multiarch_p
1577 printf " if (GDB_MULTI_ARCH)\n"
1578 printf " fprintf_unfiltered (file,\n"
1579 printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1580 printf " gdbarch_${function}_p (current_gdbarch));\n"
1582 printf "#ifdef ${macro}_P\n"
1583 printf " fprintf_unfiltered (file,\n"
1584 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1585 printf " \"${macro}_P()\",\n"
1586 printf " XSTRING (${macro}_P ()));\n"
1587 printf " fprintf_unfiltered (file,\n"
1588 printf " \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1589 printf " ${macro}_P ());\n"
1593 # multiarch functions don't have macros.
1594 if class_is_multiarch_p
1596 printf " if (GDB_MULTI_ARCH)\n"
1597 printf " fprintf_unfiltered (file,\n"
1598 printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1599 printf " (long) current_gdbarch->${function});\n"
1602 # Print the macro definition.
1603 printf "#ifdef ${macro}\n"
1604 if [ "x${returntype}" = "xvoid" ]
1606 printf "#if GDB_MULTI_ARCH\n"
1607 printf " /* Macro might contain \`[{}]' when not multi-arch */\n"
1609 if class_is_function_p
1611 printf " fprintf_unfiltered (file,\n"
1612 printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1613 printf " \"${macro}(${actual})\",\n"
1614 printf " XSTRING (${macro} (${actual})));\n"
1616 printf " fprintf_unfiltered (file,\n"
1617 printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1618 printf " XSTRING (${macro}));\n"
1620 # Print the architecture vector value
1621 if [ "x${returntype}" = "xvoid" ]
1625 if [ "x${print_p}" = "x()" ]
1627 printf " gdbarch_dump_${function} (current_gdbarch);\n"
1628 elif [ "x${print_p}" = "x0" ]
1630 printf " /* skip print of ${macro}, print_p == 0. */\n"
1631 elif [ -n "${print_p}" ]
1633 printf " if (${print_p})\n"
1634 printf " fprintf_unfiltered (file,\n"
1635 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1636 printf " ${print});\n"
1637 elif class_is_function_p
1639 printf " if (GDB_MULTI_ARCH)\n"
1640 printf " fprintf_unfiltered (file,\n"
1641 printf " \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1642 printf " (long) current_gdbarch->${function}\n"
1643 printf " /*${macro} ()*/);\n"
1645 printf " fprintf_unfiltered (file,\n"
1646 printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1647 printf " ${print});\n"
1652 if (current_gdbarch->dump_tdep != NULL)
1653 current_gdbarch->dump_tdep (current_gdbarch, file);
1661 struct gdbarch_tdep *
1662 gdbarch_tdep (struct gdbarch *gdbarch)
1664 if (gdbarch_debug >= 2)
1665 fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1666 return gdbarch->tdep;
1670 function_list | while do_read
1672 if class_is_predicate_p
1676 printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1678 printf " gdb_assert (gdbarch != NULL);\n"
1679 if [ -n "${predicate}" ]
1681 printf " return ${predicate};\n"
1683 printf " return gdbarch->${function} != 0;\n"
1687 if class_is_function_p
1690 printf "${returntype}\n"
1691 if [ "x${formal}" = "xvoid" ]
1693 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1695 printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1698 printf " gdb_assert (gdbarch != NULL);\n"
1699 printf " if (gdbarch->${function} == 0)\n"
1700 printf " internal_error (__FILE__, __LINE__,\n"
1701 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1702 if class_is_predicate_p && test -n "${predicate}"
1704 # Allow a call to a function with a predicate.
1705 printf " /* Ignore predicate (${predicate}). */\n"
1707 printf " if (gdbarch_debug >= 2)\n"
1708 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1709 if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1711 if class_is_multiarch_p
1718 if class_is_multiarch_p
1720 params="gdbarch, ${actual}"
1725 if [ "x${returntype}" = "xvoid" ]
1727 printf " gdbarch->${function} (${params});\n"
1729 printf " return gdbarch->${function} (${params});\n"
1734 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1735 printf " `echo ${function} | sed -e 's/./ /g'` gdbarch_${function}_ftype ${function})\n"
1737 printf " gdbarch->${function} = ${function};\n"
1739 elif class_is_variable_p
1742 printf "${returntype}\n"
1743 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1745 printf " gdb_assert (gdbarch != NULL);\n"
1746 if [ "x${invalid_p}" = "x0" ]
1748 printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
1749 elif [ -n "${invalid_p}" ]
1751 printf " if (${invalid_p})\n"
1752 printf " internal_error (__FILE__, __LINE__,\n"
1753 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1754 elif [ -n "${predefault}" ]
1756 printf " if (gdbarch->${function} == ${predefault})\n"
1757 printf " internal_error (__FILE__, __LINE__,\n"
1758 printf " \"gdbarch: gdbarch_${function} invalid\");\n"
1760 printf " if (gdbarch_debug >= 2)\n"
1761 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1762 printf " return gdbarch->${function};\n"
1766 printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1767 printf " `echo ${function} | sed -e 's/./ /g'` ${returntype} ${function})\n"
1769 printf " gdbarch->${function} = ${function};\n"
1771 elif class_is_info_p
1774 printf "${returntype}\n"
1775 printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1777 printf " gdb_assert (gdbarch != NULL);\n"
1778 printf " if (gdbarch_debug >= 2)\n"
1779 printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1780 printf " return gdbarch->${function};\n"
1785 # All the trailing guff
1789 /* Keep a registry of per-architecture data-pointers required by GDB
1796 gdbarch_data_init_ftype *init;
1797 gdbarch_data_free_ftype *free;
1800 struct gdbarch_data_registration
1802 struct gdbarch_data *data;
1803 struct gdbarch_data_registration *next;
1806 struct gdbarch_data_registry
1809 struct gdbarch_data_registration *registrations;
1812 struct gdbarch_data_registry gdbarch_data_registry =
1817 struct gdbarch_data *
1818 register_gdbarch_data (gdbarch_data_init_ftype *init,
1819 gdbarch_data_free_ftype *free)
1821 struct gdbarch_data_registration **curr;
1822 /* Append the new registraration. */
1823 for (curr = &gdbarch_data_registry.registrations;
1825 curr = &(*curr)->next);
1826 (*curr) = XMALLOC (struct gdbarch_data_registration);
1827 (*curr)->next = NULL;
1828 (*curr)->data = XMALLOC (struct gdbarch_data);
1829 (*curr)->data->index = gdbarch_data_registry.nr++;
1830 (*curr)->data->init = init;
1831 (*curr)->data->init_p = 1;
1832 (*curr)->data->free = free;
1833 return (*curr)->data;
1837 /* Create/delete the gdbarch data vector. */
1840 alloc_gdbarch_data (struct gdbarch *gdbarch)
1842 gdb_assert (gdbarch->data == NULL);
1843 gdbarch->nr_data = gdbarch_data_registry.nr;
1844 gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
1848 free_gdbarch_data (struct gdbarch *gdbarch)
1850 struct gdbarch_data_registration *rego;
1851 gdb_assert (gdbarch->data != NULL);
1852 for (rego = gdbarch_data_registry.registrations;
1856 struct gdbarch_data *data = rego->data;
1857 gdb_assert (data->index < gdbarch->nr_data);
1858 if (data->free != NULL && gdbarch->data[data->index] != NULL)
1860 data->free (gdbarch, gdbarch->data[data->index]);
1861 gdbarch->data[data->index] = NULL;
1864 xfree (gdbarch->data);
1865 gdbarch->data = NULL;
1869 /* Initialize the current value of the specified per-architecture
1873 set_gdbarch_data (struct gdbarch *gdbarch,
1874 struct gdbarch_data *data,
1877 gdb_assert (data->index < gdbarch->nr_data);
1878 if (gdbarch->data[data->index] != NULL)
1880 gdb_assert (data->free != NULL);
1881 data->free (gdbarch, gdbarch->data[data->index]);
1883 gdbarch->data[data->index] = pointer;
1886 /* Return the current value of the specified per-architecture
1890 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1892 gdb_assert (data->index < gdbarch->nr_data);
1893 /* The data-pointer isn't initialized, call init() to get a value but
1894 only if the architecture initializaiton has completed. Otherwise
1895 punt - hope that the caller knows what they are doing. */
1896 if (gdbarch->data[data->index] == NULL
1897 && gdbarch->initialized_p)
1899 /* Be careful to detect an initialization cycle. */
1900 gdb_assert (data->init_p);
1902 gdb_assert (data->init != NULL);
1903 gdbarch->data[data->index] = data->init (gdbarch);
1905 gdb_assert (gdbarch->data[data->index] != NULL);
1907 return gdbarch->data[data->index];
1912 /* Keep a registry of swapped data required by GDB modules. */
1917 struct gdbarch_swap_registration *source;
1918 struct gdbarch_swap *next;
1921 struct gdbarch_swap_registration
1924 unsigned long sizeof_data;
1925 gdbarch_swap_ftype *init;
1926 struct gdbarch_swap_registration *next;
1929 struct gdbarch_swap_registry
1932 struct gdbarch_swap_registration *registrations;
1935 struct gdbarch_swap_registry gdbarch_swap_registry =
1941 register_gdbarch_swap (void *data,
1942 unsigned long sizeof_data,
1943 gdbarch_swap_ftype *init)
1945 struct gdbarch_swap_registration **rego;
1946 for (rego = &gdbarch_swap_registry.registrations;
1948 rego = &(*rego)->next);
1949 (*rego) = XMALLOC (struct gdbarch_swap_registration);
1950 (*rego)->next = NULL;
1951 (*rego)->init = init;
1952 (*rego)->data = data;
1953 (*rego)->sizeof_data = sizeof_data;
1957 clear_gdbarch_swap (struct gdbarch *gdbarch)
1959 struct gdbarch_swap *curr;
1960 for (curr = gdbarch->swap;
1964 memset (curr->source->data, 0, curr->source->sizeof_data);
1969 init_gdbarch_swap (struct gdbarch *gdbarch)
1971 struct gdbarch_swap_registration *rego;
1972 struct gdbarch_swap **curr = &gdbarch->swap;
1973 for (rego = gdbarch_swap_registry.registrations;
1977 if (rego->data != NULL)
1979 (*curr) = XMALLOC (struct gdbarch_swap);
1980 (*curr)->source = rego;
1981 (*curr)->swap = xmalloc (rego->sizeof_data);
1982 (*curr)->next = NULL;
1983 curr = &(*curr)->next;
1985 if (rego->init != NULL)
1991 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1993 struct gdbarch_swap *curr;
1994 for (curr = gdbarch->swap;
1997 memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
2001 swapin_gdbarch_swap (struct gdbarch *gdbarch)
2003 struct gdbarch_swap *curr;
2004 for (curr = gdbarch->swap;
2007 memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2011 /* Keep a registry of the architectures known by GDB. */
2013 struct gdbarch_registration
2015 enum bfd_architecture bfd_architecture;
2016 gdbarch_init_ftype *init;
2017 gdbarch_dump_tdep_ftype *dump_tdep;
2018 struct gdbarch_list *arches;
2019 struct gdbarch_registration *next;
2022 static struct gdbarch_registration *gdbarch_registry = NULL;
2025 append_name (const char ***buf, int *nr, const char *name)
2027 *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2033 gdbarch_printable_names (void)
2037 /* Accumulate a list of names based on the registed list of
2039 enum bfd_architecture a;
2041 const char **arches = NULL;
2042 struct gdbarch_registration *rego;
2043 for (rego = gdbarch_registry;
2047 const struct bfd_arch_info *ap;
2048 ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2050 internal_error (__FILE__, __LINE__,
2051 "gdbarch_architecture_names: multi-arch unknown");
2054 append_name (&arches, &nr_arches, ap->printable_name);
2059 append_name (&arches, &nr_arches, NULL);
2063 /* Just return all the architectures that BFD knows. Assume that
2064 the legacy architecture framework supports them. */
2065 return bfd_arch_list ();
2070 gdbarch_register (enum bfd_architecture bfd_architecture,
2071 gdbarch_init_ftype *init,
2072 gdbarch_dump_tdep_ftype *dump_tdep)
2074 struct gdbarch_registration **curr;
2075 const struct bfd_arch_info *bfd_arch_info;
2076 /* Check that BFD recognizes this architecture */
2077 bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2078 if (bfd_arch_info == NULL)
2080 internal_error (__FILE__, __LINE__,
2081 "gdbarch: Attempt to register unknown architecture (%d)",
2084 /* Check that we haven't seen this architecture before */
2085 for (curr = &gdbarch_registry;
2087 curr = &(*curr)->next)
2089 if (bfd_architecture == (*curr)->bfd_architecture)
2090 internal_error (__FILE__, __LINE__,
2091 "gdbarch: Duplicate registraration of architecture (%s)",
2092 bfd_arch_info->printable_name);
2096 fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2097 bfd_arch_info->printable_name,
2100 (*curr) = XMALLOC (struct gdbarch_registration);
2101 (*curr)->bfd_architecture = bfd_architecture;
2102 (*curr)->init = init;
2103 (*curr)->dump_tdep = dump_tdep;
2104 (*curr)->arches = NULL;
2105 (*curr)->next = NULL;
2106 /* When non- multi-arch, install whatever target dump routine we've
2107 been provided - hopefully that routine has been written correctly
2108 and works regardless of multi-arch. */
2109 if (!GDB_MULTI_ARCH && dump_tdep != NULL
2110 && startup_gdbarch.dump_tdep == NULL)
2111 startup_gdbarch.dump_tdep = dump_tdep;
2115 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2116 gdbarch_init_ftype *init)
2118 gdbarch_register (bfd_architecture, init, NULL);
2122 /* Look for an architecture using gdbarch_info. Base search on only
2123 BFD_ARCH_INFO and BYTE_ORDER. */
2125 struct gdbarch_list *
2126 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2127 const struct gdbarch_info *info)
2129 for (; arches != NULL; arches = arches->next)
2131 if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2133 if (info->byte_order != arches->gdbarch->byte_order)
2135 if (info->osabi != arches->gdbarch->osabi)
2143 /* Update the current architecture. Return ZERO if the update request
2147 gdbarch_update_p (struct gdbarch_info info)
2149 struct gdbarch *new_gdbarch;
2150 struct gdbarch *old_gdbarch;
2151 struct gdbarch_registration *rego;
2153 /* Fill in missing parts of the INFO struct using a number of
2154 sources: \`\`set ...''; INFOabfd supplied; existing target. */
2156 /* \`\`(gdb) set architecture ...'' */
2157 if (info.bfd_arch_info == NULL
2158 && !TARGET_ARCHITECTURE_AUTO)
2159 info.bfd_arch_info = TARGET_ARCHITECTURE;
2160 if (info.bfd_arch_info == NULL
2161 && info.abfd != NULL
2162 && bfd_get_arch (info.abfd) != bfd_arch_unknown
2163 && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2164 info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2165 if (info.bfd_arch_info == NULL)
2166 info.bfd_arch_info = TARGET_ARCHITECTURE;
2168 /* \`\`(gdb) set byte-order ...'' */
2169 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2170 && !TARGET_BYTE_ORDER_AUTO)
2171 info.byte_order = TARGET_BYTE_ORDER;
2172 /* From the INFO struct. */
2173 if (info.byte_order == BFD_ENDIAN_UNKNOWN
2174 && info.abfd != NULL)
2175 info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2176 : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2177 : BFD_ENDIAN_UNKNOWN);
2178 /* From the current target. */
2179 if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2180 info.byte_order = TARGET_BYTE_ORDER;
2182 /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
2183 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2184 info.osabi = gdbarch_lookup_osabi (info.abfd);
2185 if (info.osabi == GDB_OSABI_UNINITIALIZED)
2186 info.osabi = current_gdbarch->osabi;
2188 /* Must have found some sort of architecture. */
2189 gdb_assert (info.bfd_arch_info != NULL);
2193 fprintf_unfiltered (gdb_stdlog,
2194 "gdbarch_update: info.bfd_arch_info %s\n",
2195 (info.bfd_arch_info != NULL
2196 ? info.bfd_arch_info->printable_name
2198 fprintf_unfiltered (gdb_stdlog,
2199 "gdbarch_update: info.byte_order %d (%s)\n",
2201 (info.byte_order == BFD_ENDIAN_BIG ? "big"
2202 : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2204 fprintf_unfiltered (gdb_stdlog,
2205 "gdbarch_update: info.osabi %d (%s)\n",
2206 info.osabi, gdbarch_osabi_name (info.osabi));
2207 fprintf_unfiltered (gdb_stdlog,
2208 "gdbarch_update: info.abfd 0x%lx\n",
2210 fprintf_unfiltered (gdb_stdlog,
2211 "gdbarch_update: info.tdep_info 0x%lx\n",
2212 (long) info.tdep_info);
2215 /* Find the target that knows about this architecture. */
2216 for (rego = gdbarch_registry;
2219 if (rego->bfd_architecture == info.bfd_arch_info->arch)
2224 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2228 /* Swap the data belonging to the old target out setting the
2229 installed data to zero. This stops the ->init() function trying
2230 to refer to the previous architecture's global data structures. */
2231 swapout_gdbarch_swap (current_gdbarch);
2232 clear_gdbarch_swap (current_gdbarch);
2234 /* Save the previously selected architecture, setting the global to
2235 NULL. This stops ->init() trying to use the previous
2236 architecture's configuration. The previous architecture may not
2237 even be of the same architecture family. The most recent
2238 architecture of the same family is found at the head of the
2239 rego->arches list. */
2240 old_gdbarch = current_gdbarch;
2241 current_gdbarch = NULL;
2243 /* Ask the target for a replacement architecture. */
2244 new_gdbarch = rego->init (info, rego->arches);
2246 /* Did the target like it? No. Reject the change and revert to the
2247 old architecture. */
2248 if (new_gdbarch == NULL)
2251 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2252 swapin_gdbarch_swap (old_gdbarch);
2253 current_gdbarch = old_gdbarch;
2257 /* Did the architecture change? No. Oops, put the old architecture
2259 if (old_gdbarch == new_gdbarch)
2262 fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2264 new_gdbarch->bfd_arch_info->printable_name);
2265 swapin_gdbarch_swap (old_gdbarch);
2266 current_gdbarch = old_gdbarch;
2270 /* Is this a pre-existing architecture? Yes. Move it to the front
2271 of the list of architectures (keeping the list sorted Most
2272 Recently Used) and then copy it in. */
2274 struct gdbarch_list **list;
2275 for (list = ®o->arches;
2277 list = &(*list)->next)
2279 if ((*list)->gdbarch == new_gdbarch)
2281 struct gdbarch_list *this;
2283 fprintf_unfiltered (gdb_stdlog,
2284 "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2286 new_gdbarch->bfd_arch_info->printable_name);
2289 (*list) = this->next;
2290 /* Insert in the front. */
2291 this->next = rego->arches;
2292 rego->arches = this;
2293 /* Copy the new architecture in. */
2294 current_gdbarch = new_gdbarch;
2295 swapin_gdbarch_swap (new_gdbarch);
2296 architecture_changed_event ();
2302 /* Prepend this new architecture to the architecture list (keep the
2303 list sorted Most Recently Used). */
2305 struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2306 this->next = rego->arches;
2307 this->gdbarch = new_gdbarch;
2308 rego->arches = this;
2311 /* Switch to this new architecture marking it initialized. */
2312 current_gdbarch = new_gdbarch;
2313 current_gdbarch->initialized_p = 1;
2316 fprintf_unfiltered (gdb_stdlog,
2317 "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2319 new_gdbarch->bfd_arch_info->printable_name);
2322 /* Check that the newly installed architecture is valid. Plug in
2323 any post init values. */
2324 new_gdbarch->dump_tdep = rego->dump_tdep;
2325 verify_gdbarch (new_gdbarch);
2327 /* Initialize the per-architecture memory (swap) areas.
2328 CURRENT_GDBARCH must be update before these modules are
2330 init_gdbarch_swap (new_gdbarch);
2332 /* Initialize the per-architecture data. CURRENT_GDBARCH
2333 must be updated before these modules are called. */
2334 architecture_changed_event ();
2337 gdbarch_dump (current_gdbarch, gdb_stdlog);
2345 /* Pointer to the target-dependent disassembly function. */
2346 int (*tm_print_insn) (bfd_vma, disassemble_info *);
2347 disassemble_info tm_print_insn_info;
2350 extern void _initialize_gdbarch (void);
2353 _initialize_gdbarch (void)
2355 struct cmd_list_element *c;
2357 INIT_DISASSEMBLE_INFO_NO_ARCH (tm_print_insn_info, gdb_stdout, (fprintf_ftype)fprintf_filtered);
2358 tm_print_insn_info.flavour = bfd_target_unknown_flavour;
2359 tm_print_insn_info.read_memory_func = dis_asm_read_memory;
2360 tm_print_insn_info.memory_error_func = dis_asm_memory_error;
2361 tm_print_insn_info.print_address_func = dis_asm_print_address;
2363 add_show_from_set (add_set_cmd ("arch",
2366 (char *)&gdbarch_debug,
2367 "Set architecture debugging.\\n\\
2368 When non-zero, architecture debugging is enabled.", &setdebuglist),
2370 c = add_set_cmd ("archdebug",
2373 (char *)&gdbarch_debug,
2374 "Set architecture debugging.\\n\\
2375 When non-zero, architecture debugging is enabled.", &setlist);
2377 deprecate_cmd (c, "set debug arch");
2378 deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2384 #../move-if-change new-gdbarch.c gdbarch.c
2385 compare_new gdbarch.c