gdb/gdbarch.sh

   1 #!/bin/sh -u
   2
   3 # Architecture commands for GDB, the GNU debugger.
   4 # Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
   5 #
   6 # This file is part of GDB.
   7 #
   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.
  12 #
  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.
  17 #
  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.
  21
  22 # Make certain that the script is running in an internationalized
  23 # environment.
  24 LANG=c ; export LANG
  25 LC_ALL=c ; export LC_ALL
  26
  27
  28 compare_new ()
  29 {
  30     file=$1
  31     if test ! -r ${file}
  32     then
  33         echo "${file} missing? cp new-${file} ${file}" 1>&2
  34     elif diff -u ${file} new-${file}
  35     then
  36         echo "${file} unchanged" 1>&2
  37     else
  38         echo "${file} has changed? cp new-${file} ${file}" 1>&2
  39     fi
  40 }
  41
  42
  43 # Format of the input table
  44 read="class level macro returntype function formal actual attrib staticdefault predefault postdefault invalid_p fmt print print_p description"
  45
  46 do_read ()
  47 {
  48     comment=""
  49     class=""
  50     while read line
  51     do
  52         if test "${line}" = ""
  53         then
  54             continue
  55         elif test "${line}" = "#" -a "${comment}" = ""
  56         then
  57             continue
  58         elif expr "${line}" : "#" > /dev/null
  59         then
  60             comment="${comment}
  61 ${line}"
  62         else
  63
  64             # The semantics of IFS varies between different SH's.  Some
  65             # treat ``::' as three fields while some treat it as just too.
  66             # Work around this by eliminating ``::'' ....
  67             line="`echo "${line}" | sed -e 's/::/: :/g' -e 's/::/: :/g'`"
  68
  69             OFS="${IFS}" ; IFS="[:]"
  70             eval read ${read} <<EOF
  71 ${line}
  72 EOF
  73             IFS="${OFS}"
  74
  75             # .... and then going back through each field and strip out those
  76             # that ended up with just that space character.
  77             for r in ${read}
  78             do
  79                 if eval test \"\${${r}}\" = \"\ \"
  80                 then
  81                     eval ${r}=""
  82                 fi
  83             done
  84
  85             case "${level}" in
  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 $$ ; exit 1 ;;
  90             esac
  91
  92             case "${class}" in
  93                 m ) staticdefault="${predefault}" ;;
  94                 M ) staticdefault="0" ;;
  95                 * ) test "${staticdefault}" || staticdefault=0 ;;
  96             esac
  97
  98             # come up with a format, use a few guesses for variables
  99             case ":${class}:${fmt}:${print}:" in
 100                 :[vV]::: )
 101                     if [ "${returntype}" = int ]
 102                     then
 103                         fmt="%d"
 104                         print="${macro}"
 105                     elif [ "${returntype}" = long ]
 106                     then
 107                         fmt="%ld"
 108                         print="${macro}"
 109                     fi
 110                     ;;
 111             esac
 112             test "${fmt}" || fmt="%ld"
 113             test "${print}" || print="(long) ${macro}"
 114
 115             case "${class}" in
 116             F | V | M )
 117                 case "${invalid_p}" in
 118                 "" )
 119                     if test -n "${predefault}"
 120                     then
 121                         #invalid_p="gdbarch->${function} == ${predefault}"
 122                         predicate="gdbarch->${function} != ${predefault}"
 123                     elif class_is_variable_p
 124                     then
 125                         predicate="gdbarch->${function} != 0"
 126                     elif class_is_function_p
 127                     then
 128                         predicate="gdbarch->${function} != NULL"
 129                     fi
 130                     ;;
 131                 * )
 132                     echo "Predicate function ${function} with invalid_p." 1>&2
 133                     kill $$
 134                     exit 1
 135                     ;;
 136                 esac
 137             esac
 138
 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.
 145
 146             if [ -n "${postdefault}" ]
 147             then
 148                 fallbackdefault="${postdefault}"
 149             elif [ -n "${predefault}" ]
 150             then
 151                 fallbackdefault="${predefault}"
 152             else
 153                 fallbackdefault="0"
 154             fi
 155
 156             #NOT YET: See gdbarch.log for basic verification of
 157             # database
 158
 159             break
 160         fi
 161     done
 162     if [ -n "${class}" ]
 163     then
 164         true
 165     else
 166         false
 167     fi
 168 }
 169
 170
 171 fallback_default_p ()
 172 {
 173     [ -n "${postdefault}" -a "x${invalid_p}" != "x0" ] \
 174         || [ -n "${predefault}" -a "x${invalid_p}" = "x0" ]
 175 }
 176
 177 class_is_variable_p ()
 178 {
 179     case "${class}" in
 180         *v* | *V* ) true ;;
 181         * ) false ;;
 182     esac
 183 }
 184
 185 class_is_function_p ()
 186 {
 187     case "${class}" in
 188         *f* | *F* | *m* | *M* ) true ;;
 189         * ) false ;;
 190     esac
 191 }
 192
 193 class_is_multiarch_p ()
 194 {
 195     case "${class}" in
 196         *m* | *M* ) true ;;
 197         * ) false ;;
 198     esac
 199 }
 200
 201 class_is_predicate_p ()
 202 {
 203     case "${class}" in
 204         *F* | *V* | *M* ) true ;;
 205         * ) false ;;
 206     esac
 207 }
 208
 209 class_is_info_p ()
 210 {
 211     case "${class}" in
 212         *i* ) true ;;
 213         * ) false ;;
 214     esac
 215 }
 216
 217
 218 # dump out/verify the doco
 219 for field in ${read}
 220 do
 221   case ${field} in
 222
 223     class ) : ;;
 224
 225         # # -> line disable
 226         # f -> function
 227         #   hiding a function
 228         # F -> function + predicate
 229         #   hiding a function + predicate to test function validity
 230         # v -> variable
 231         #   hiding a variable
 232         # V -> variable + predicate
 233         #   hiding a variable + predicate to test variables validity
 234         # i -> set from info
 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
 240
 241     level ) : ;;
 242
 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).
 246
 247     macro ) : ;;
 248
 249         # The name of the MACRO that this method is to be accessed by.
 250
 251     returntype ) : ;;
 252
 253         # For functions, the return type; for variables, the data type
 254
 255     function ) : ;;
 256
 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.
 260
 261     formal ) : ;;
 262
 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.
 267
 268     actual ) : ;;
 269
 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.
 273
 274     attrib ) : ;;
 275
 276         # Any GCC attributes that should be attached to the function
 277         # declaration.  At present this field is unused.
 278
 279     staticdefault ) : ;;
 280
 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.
 285
 286         # If STATICDEFAULT is empty, zero is used.
 287
 288     predefault ) : ;;
 289
 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.
 294
 295         # If PREDEFAULT is empty, zero is used.
 296
 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.
 300
 301         # A zero PREDEFAULT function will force the fallback to call
 302         # internal_error().
 303
 304         # Variable declarations can refer to ``gdbarch'' which will
 305         # contain the current architecture.  Care should be taken.
 306
 307     postdefault ) : ;;
 308
 309         # A value to assign to MEMBER of the new gdbarch object should
 310         # the target architecture code fail to change the PREDEFAULT
 311         # value.
 312
 313         # If POSTDEFAULT is empty, no post update is performed.
 314
 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.
 318
 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
 322         # PREDEFAULT).
 323
 324         # You cannot specify both a zero INVALID_P and a POSTDEFAULT.
 325
 326         # Variable declarations can refer to ``gdbarch'' which will
 327         # contain the current architecture.  Care should be taken.
 328
 329     invalid_p ) : ;;
 330
 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()
 336         # is called.
 337
 338         # If INVALID_P is empty, a check that MEMBER is no longer
 339         # equal to PREDEFAULT is used.
 340
 341         # The expression ``0'' disables the INVALID_P check making
 342         # PREDEFAULT a legitimate value.
 343
 344         # See also PREDEFAULT and POSTDEFAULT.
 345
 346     fmt ) : ;;
 347
 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.
 351
 352         # If FMT is empty, ``%ld'' is used.
 353
 354     print ) : ;;
 355
 356         # An optional equation that casts MEMBER to a value suitable
 357         # for formatting by FMT.
 358
 359         # If PRINT is empty, ``(long)'' is used.
 360
 361     print_p ) : ;;
 362
 363         # An optional indicator for any predicte to wrap around the
 364         # print member code.
 365
 366         #   () -> Call a custom function to do the dump.
 367         #   exp -> Wrap print up in ``if (${print_p}) ...
 368         #   ``'' -> No predicate
 369
 370         # If PRINT_P is empty, ``1'' is always used.
 371
 372     description ) : ;;
 373
 374         # Currently unused.
 375
 376     *)
 377         echo "Bad field ${field}"
 378         exit 1;;
 379   esac
 380 done
 381
 382
 383 function_list ()
 384 {
 385   # See below (DOCO) for description of each field
 386   cat <<EOF
 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
 388 #
 389 i:2:TARGET_BYTE_ORDER:int:byte_order::::BFD_ENDIAN_BIG
 390 #
 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:
 395 #
 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
 403 # machine.
 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.
 415 #
 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.
 418 #
 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
 425 #
 426 # One if \`char' acts like \`signed char', zero if \`unsigned char'.
 427 v:2:TARGET_CHAR_SIGNED:int:char_signed::::1:-1:1::::
 428 #
 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
 435 # serious shakedown.
 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
 437 #
 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
 440 #
 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:::
 447
 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
 450 # all (-1).
 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
 469
 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
 488 # registers.
 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
 493 # registers.
 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
 501
 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
 513
 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:::
 552
 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
 573 #
 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
 577 #
 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
 587 #
 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
 591 #
 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
 595 #
 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
 599
 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.
 603
 604 M:::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, const void *inval, void *outval:valtype, regcache, inval, outval
 605
 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
 612 # make that change.
 613
 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
 620
 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
 623 #
 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
 626 #
 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
 636 #
 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
 638 #
 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
 657 #
 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
 661 # alignment.
 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
 670 #
 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 m:::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ:::convert_from_func_ptr_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
 686 # ADDR_BITS_REMOVE.
 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.
 690 #
 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).
 693 #
 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
 701
 702
 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
 707
 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
 710
 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.
 714 #
 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
 718 # sigtramp.
 719 #
 720 # On most machines just see if the name is sigtramp (and if we have
 721 # no name, assume we are not in sigtramp).
 722 #
 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.
 727 #
 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
 730 # does not.
 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
 742 # untouched.
 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
 765
 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
 769 EOF
 770 }
 771
 772 #
 773 # The .log file
 774 #
 775 exec > new-gdbarch.log
 776 function_list | while do_read
 777 do
 778     cat <<EOF
 779 ${class} ${macro}(${actual})
 780   ${returntype} ${function} ($formal)${attrib}
 781 EOF
 782     for r in ${read}
 783     do
 784         eval echo \"\ \ \ \ ${r}=\${${r}}\"
 785     done
 786     if class_is_predicate_p && fallback_default_p
 787     then
 788         echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
 789         kill $$
 790         exit 1
 791     fi
 792     if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
 793     then
 794         echo "Error: postdefault is useless when invalid_p=0" 1>&2
 795         kill $$
 796         exit 1
 797     fi
 798     if class_is_multiarch_p
 799     then
 800         if class_is_predicate_p ; then :
 801         elif test "x${predefault}" = "x"
 802         then
 803             echo "Error: pure multi-arch function must have a predefault" 1>&2
 804             kill $$
 805             exit 1
 806         fi
 807     fi
 808     echo ""
 809 done
 810
 811 exec 1>&2
 812 compare_new gdbarch.log
 813
 814
 815 copyright ()
 816 {
 817 cat <<EOF
 818 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
 819
 820 /* Dynamic architecture support for GDB, the GNU debugger.
 821    Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 822
 823    This file is part of GDB.
 824
 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.
 829
 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.
 834
 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.  */
 839
 840 /* This file was created with the aid of \`\`gdbarch.sh''.
 841
 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
 845    being reported.
 846
 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
 850    easier. */
 851
 852 EOF
 853 }
 854
 855 #
 856 # The .h file
 857 #
 858
 859 exec > new-gdbarch.h
 860 copyright
 861 cat <<EOF
 862 #ifndef GDBARCH_H
 863 #define GDBARCH_H
 864
 865 struct floatformat;
 866 struct ui_file;
 867 struct frame_info;
 868 struct value;
 869 struct objfile;
 870 struct minimal_symbol;
 871 struct regcache;
 872 struct reggroup;
 873 struct regset;
 874 struct disassemble_info;
 875 struct target_ops;
 876
 877 extern struct gdbarch *current_gdbarch;
 878
 879
 880 /* If any of the following are defined, the target wasn't correctly
 881    converted. */
 882
 883 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
 884 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
 885 #endif
 886 EOF
 887
 888 # function typedef's
 889 printf "\n"
 890 printf "\n"
 891 printf "/* The following are pre-initialized by GDBARCH. */\n"
 892 function_list | while do_read
 893 do
 894     if class_is_info_p
 895     then
 896         printf "\n"
 897         printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
 898         printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
 899         printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
 900         printf "#error \"Non multi-arch definition of ${macro}\"\n"
 901         printf "#endif\n"
 902         printf "#if !defined (${macro})\n"
 903         printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
 904         printf "#endif\n"
 905     fi
 906 done
 907
 908 # function typedef's
 909 printf "\n"
 910 printf "\n"
 911 printf "/* The following are initialized by the target dependent code. */\n"
 912 function_list | while do_read
 913 do
 914     if [ -n "${comment}" ]
 915     then
 916         echo "${comment}" | sed \
 917             -e '2 s,#,/*,' \
 918             -e '3,$ s,#,  ,' \
 919             -e '$ s,$, */,'
 920     fi
 921     if class_is_multiarch_p
 922     then
 923         if class_is_predicate_p
 924         then
 925             printf "\n"
 926             printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
 927         fi
 928     else
 929         if class_is_predicate_p
 930         then
 931             printf "\n"
 932             printf "#if defined (${macro})\n"
 933             printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
 934             #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
 935             printf "#if !defined (${macro}_P)\n"
 936             printf "#define ${macro}_P() (1)\n"
 937             printf "#endif\n"
 938             printf "#endif\n"
 939             printf "\n"
 940             printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
 941             printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
 942             printf "#error \"Non multi-arch definition of ${macro}\"\n"
 943             printf "#endif\n"
 944             printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
 945             printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
 946             printf "#endif\n"
 947         fi
 948     fi
 949     if class_is_variable_p
 950     then
 951         printf "\n"
 952         printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
 953         printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
 954         printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
 955         printf "#error \"Non multi-arch definition of ${macro}\"\n"
 956         printf "#endif\n"
 957         printf "#if !defined (${macro})\n"
 958         printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
 959         printf "#endif\n"
 960     fi
 961     if class_is_function_p
 962     then
 963         printf "\n"
 964         if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
 965         then
 966             printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
 967         elif class_is_multiarch_p
 968         then
 969             printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
 970         else
 971             printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
 972         fi
 973         if [ "x${formal}" = "xvoid" ]
 974         then
 975           printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
 976         else
 977           printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
 978         fi
 979         printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
 980         if class_is_multiarch_p ; then :
 981         else
 982             printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
 983             printf "#error \"Non multi-arch definition of ${macro}\"\n"
 984             printf "#endif\n"
 985             if [ "x${actual}" = "x" ]
 986             then
 987                 d="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
 988             elif [ "x${actual}" = "x-" ]
 989             then
 990                 d="#define ${macro} (gdbarch_${function} (current_gdbarch))"
 991             else
 992                 d="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
 993             fi
 994             printf "#if !defined (${macro})\n"
 995             if [ "x${actual}" = "x" ]
 996             then
 997                 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
 998             elif [ "x${actual}" = "x-" ]
 999             then
1000                 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
1001             else
1002                 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
1003             fi
1004             printf "#endif\n"
1005         fi
1006     fi
1007 done
1008
1009 # close it off
1010 cat <<EOF
1011
1012 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
1013
1014
1015 /* Mechanism for co-ordinating the selection of a specific
1016    architecture.
1017
1018    GDB targets (*-tdep.c) can register an interest in a specific
1019    architecture.  Other GDB components can register a need to maintain
1020    per-architecture data.
1021
1022    The mechanisms below ensures that there is only a loose connection
1023    between the set-architecture command and the various GDB
1024    components.  Each component can independently register their need
1025    to maintain architecture specific data with gdbarch.
1026
1027    Pragmatics:
1028
1029    Previously, a single TARGET_ARCHITECTURE_HOOK was provided.  It
1030    didn't scale.
1031
1032    The more traditional mega-struct containing architecture specific
1033    data for all the various GDB components was also considered.  Since
1034    GDB is built from a variable number of (fairly independent)
1035    components it was determined that the global aproach was not
1036    applicable. */
1037
1038
1039 /* Register a new architectural family with GDB.
1040
1041    Register support for the specified ARCHITECTURE with GDB.  When
1042    gdbarch determines that the specified architecture has been
1043    selected, the corresponding INIT function is called.
1044
1045    --
1046
1047    The INIT function takes two parameters: INFO which contains the
1048    information available to gdbarch about the (possibly new)
1049    architecture; ARCHES which is a list of the previously created
1050    \`\`struct gdbarch'' for this architecture.
1051
1052    The INFO parameter is, as far as possible, be pre-initialized with
1053    information obtained from INFO.ABFD or the previously selected
1054    architecture.
1055
1056    The ARCHES parameter is a linked list (sorted most recently used)
1057    of all the previously created architures for this architecture
1058    family.  The (possibly NULL) ARCHES->gdbarch can used to access
1059    values from the previously selected architecture for this
1060    architecture family.  The global \`\`current_gdbarch'' shall not be
1061    used.
1062
1063    The INIT function shall return any of: NULL - indicating that it
1064    doesn't recognize the selected architecture; an existing \`\`struct
1065    gdbarch'' from the ARCHES list - indicating that the new
1066    architecture is just a synonym for an earlier architecture (see
1067    gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1068    - that describes the selected architecture (see gdbarch_alloc()).
1069
1070    The DUMP_TDEP function shall print out all target specific values.
1071    Care should be taken to ensure that the function works in both the
1072    multi-arch and non- multi-arch cases. */
1073
1074 struct gdbarch_list
1075 {
1076   struct gdbarch *gdbarch;
1077   struct gdbarch_list *next;
1078 };
1079
1080 struct gdbarch_info
1081 {
1082   /* Use default: NULL (ZERO). */
1083   const struct bfd_arch_info *bfd_arch_info;
1084
1085   /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO).  */
1086   int byte_order;
1087
1088   /* Use default: NULL (ZERO). */
1089   bfd *abfd;
1090
1091   /* Use default: NULL (ZERO). */
1092   struct gdbarch_tdep_info *tdep_info;
1093
1094   /* Use default: GDB_OSABI_UNINITIALIZED (-1).  */
1095   enum gdb_osabi osabi;
1096 };
1097
1098 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1099 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1100
1101 /* DEPRECATED - use gdbarch_register() */
1102 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1103
1104 extern void gdbarch_register (enum bfd_architecture architecture,
1105                               gdbarch_init_ftype *,
1106                               gdbarch_dump_tdep_ftype *);
1107
1108
1109 /* Return a freshly allocated, NULL terminated, array of the valid
1110    architecture names.  Since architectures are registered during the
1111    _initialize phase this function only returns useful information
1112    once initialization has been completed. */
1113
1114 extern const char **gdbarch_printable_names (void);
1115
1116
1117 /* Helper function.  Search the list of ARCHES for a GDBARCH that
1118    matches the information provided by INFO. */
1119
1120 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches,  const struct gdbarch_info *info);
1121
1122
1123 /* Helper function.  Create a preliminary \`\`struct gdbarch''.  Perform
1124    basic initialization using values obtained from the INFO andTDEP
1125    parameters.  set_gdbarch_*() functions are called to complete the
1126    initialization of the object. */
1127
1128 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1129
1130
1131 /* Helper function.  Free a partially-constructed \`\`struct gdbarch''.
1132    It is assumed that the caller freeds the \`\`struct
1133    gdbarch_tdep''. */
1134
1135 extern void gdbarch_free (struct gdbarch *);
1136
1137
1138 /* Helper function.  Allocate memory from the \`\`struct gdbarch''
1139    obstack.  The memory is freed when the corresponding architecture
1140    is also freed.  */
1141
1142 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1143 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1144 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1145
1146
1147 /* Helper function. Force an update of the current architecture.
1148
1149    The actual architecture selected is determined by INFO, \`\`(gdb) set
1150    architecture'' et.al., the existing architecture and BFD's default
1151    architecture.  INFO should be initialized to zero and then selected
1152    fields should be updated.
1153
1154    Returns non-zero if the update succeeds */
1155
1156 extern int gdbarch_update_p (struct gdbarch_info info);
1157
1158
1159
1160 /* Register per-architecture data-pointer.
1161
1162    Reserve space for a per-architecture data-pointer.  An identifier
1163    for the reserved data-pointer is returned.  That identifer should
1164    be saved in a local static variable.
1165
1166    The per-architecture data-pointer is either initialized explicitly
1167    (set_gdbarch_data()) or implicitly (by INIT() via a call to
1168    gdbarch_data()).
1169
1170    Memory for the per-architecture data shall be allocated using
1171    gdbarch_obstack_zalloc.  That memory will be deleted when the
1172    corresponding architecture object is deleted.
1173
1174    When a previously created architecture is re-selected, the
1175    per-architecture data-pointer for that previous architecture is
1176    restored.  INIT() is not re-called.
1177
1178    Multiple registrarants for any architecture are allowed (and
1179    strongly encouraged).  */
1180
1181 struct gdbarch_data;
1182
1183 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1184 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1185 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1186                               struct gdbarch_data *data,
1187                               void *pointer);
1188
1189 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1190
1191
1192 /* Register per-architecture memory region.
1193
1194    Provide a memory-region swap mechanism.  Per-architecture memory
1195    region are created.  These memory regions are swapped whenever the
1196    architecture is changed.  For a new architecture, the memory region
1197    is initialized with zero (0) and the INIT function is called.
1198
1199    Memory regions are swapped / initialized in the order that they are
1200    registered.  NULL DATA and/or INIT values can be specified.
1201
1202    New code should use register_gdbarch_data(). */
1203
1204 typedef void (gdbarch_swap_ftype) (void);
1205 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1206 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1207
1208
1209
1210 /* The target-system-dependent byte order is dynamic */
1211
1212 extern int target_byte_order;
1213 #ifndef TARGET_BYTE_ORDER
1214 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1215 #endif
1216
1217 extern int target_byte_order_auto;
1218 #ifndef TARGET_BYTE_ORDER_AUTO
1219 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1220 #endif
1221
1222
1223
1224 /* The target-system-dependent BFD architecture is dynamic */
1225
1226 extern int target_architecture_auto;
1227 #ifndef TARGET_ARCHITECTURE_AUTO
1228 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1229 #endif
1230
1231 extern const struct bfd_arch_info *target_architecture;
1232 #ifndef TARGET_ARCHITECTURE
1233 #define TARGET_ARCHITECTURE (target_architecture + 0)
1234 #endif
1235
1236
1237 /* Set the dynamic target-system-dependent parameters (architecture,
1238    byte-order, ...) using information found in the BFD */
1239
1240 extern void set_gdbarch_from_file (bfd *);
1241
1242
1243 /* Initialize the current architecture to the "first" one we find on
1244    our list.  */
1245
1246 extern void initialize_current_architecture (void);
1247
1248 /* For non-multiarched targets, do any initialization of the default
1249    gdbarch object necessary after the _initialize_MODULE functions
1250    have run.  */
1251 extern void initialize_non_multiarch (void);
1252
1253 /* gdbarch trace variable */
1254 extern int gdbarch_debug;
1255
1256 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1257
1258 #endif
1259 EOF
1260 exec 1>&2
1261 #../move-if-change new-gdbarch.h gdbarch.h
1262 compare_new gdbarch.h
1263
1264
1265 #
1266 # C file
1267 #
1268
1269 exec > new-gdbarch.c
1270 copyright
1271 cat <<EOF
1272
1273 #include "defs.h"
1274 #include "arch-utils.h"
1275
1276 #include "gdbcmd.h"
1277 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1278 #include "symcat.h"
1279
1280 #include "floatformat.h"
1281
1282 #include "gdb_assert.h"
1283 #include "gdb_string.h"
1284 #include "gdb-events.h"
1285 #include "reggroups.h"
1286 #include "osabi.h"
1287 #include "symfile.h"            /* For entry_point_address.  */
1288 #include "gdb_obstack.h"
1289
1290 /* Static function declarations */
1291
1292 static void verify_gdbarch (struct gdbarch *gdbarch);
1293 static void alloc_gdbarch_data (struct gdbarch *);
1294 static void init_gdbarch_swap (struct gdbarch *);
1295 static void clear_gdbarch_swap (struct gdbarch *);
1296 static void swapout_gdbarch_swap (struct gdbarch *);
1297 static void swapin_gdbarch_swap (struct gdbarch *);
1298
1299 /* Non-zero if we want to trace architecture code.  */
1300
1301 #ifndef GDBARCH_DEBUG
1302 #define GDBARCH_DEBUG 0
1303 #endif
1304 int gdbarch_debug = GDBARCH_DEBUG;
1305
1306 EOF
1307
1308 # gdbarch open the gdbarch object
1309 printf "\n"
1310 printf "/* Maintain the struct gdbarch object */\n"
1311 printf "\n"
1312 printf "struct gdbarch\n"
1313 printf "{\n"
1314 printf "  /* Has this architecture been fully initialized?  */\n"
1315 printf "  int initialized_p;\n"
1316 printf "\n"
1317 printf "  /* An obstack bound to the lifetime of the architecture.  */\n"
1318 printf "  struct obstack *obstack;\n"
1319 printf "\n"
1320 printf "  /* basic architectural information */\n"
1321 function_list | while do_read
1322 do
1323     if class_is_info_p
1324     then
1325         printf "  ${returntype} ${function};\n"
1326     fi
1327 done
1328 printf "\n"
1329 printf "  /* target specific vector. */\n"
1330 printf "  struct gdbarch_tdep *tdep;\n"
1331 printf "  gdbarch_dump_tdep_ftype *dump_tdep;\n"
1332 printf "\n"
1333 printf "  /* per-architecture data-pointers */\n"
1334 printf "  unsigned nr_data;\n"
1335 printf "  void **data;\n"
1336 printf "\n"
1337 printf "  /* per-architecture swap-regions */\n"
1338 printf "  struct gdbarch_swap *swap;\n"
1339 printf "\n"
1340 cat <<EOF
1341   /* Multi-arch values.
1342
1343      When extending this structure you must:
1344
1345      Add the field below.
1346
1347      Declare set/get functions and define the corresponding
1348      macro in gdbarch.h.
1349
1350      gdbarch_alloc(): If zero/NULL is not a suitable default,
1351      initialize the new field.
1352
1353      verify_gdbarch(): Confirm that the target updated the field
1354      correctly.
1355
1356      gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1357      field is dumped out
1358
1359      \`\`startup_gdbarch()'': Append an initial value to the static
1360      variable (base values on the host's c-type system).
1361
1362      get_gdbarch(): Implement the set/get functions (probably using
1363      the macro's as shortcuts).
1364
1365      */
1366
1367 EOF
1368 function_list | while do_read
1369 do
1370     if class_is_variable_p
1371     then
1372         printf "  ${returntype} ${function};\n"
1373     elif class_is_function_p
1374     then
1375         printf "  gdbarch_${function}_ftype *${function}${attrib};\n"
1376     fi
1377 done
1378 printf "};\n"
1379
1380 # A pre-initialized vector
1381 printf "\n"
1382 printf "\n"
1383 cat <<EOF
1384 /* The default architecture uses host values (for want of a better
1385    choice). */
1386 EOF
1387 printf "\n"
1388 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1389 printf "\n"
1390 printf "struct gdbarch startup_gdbarch =\n"
1391 printf "{\n"
1392 printf "  1, /* Always initialized.  */\n"
1393 printf "  NULL, /* The obstack.  */\n"
1394 printf "  /* basic architecture information */\n"
1395 function_list | while do_read
1396 do
1397     if class_is_info_p
1398     then
1399         printf "  ${staticdefault},  /* ${function} */\n"
1400     fi
1401 done
1402 cat <<EOF
1403   /* target specific vector and its dump routine */
1404   NULL, NULL,
1405   /*per-architecture data-pointers and swap regions */
1406   0, NULL, NULL,
1407   /* Multi-arch values */
1408 EOF
1409 function_list | while do_read
1410 do
1411     if class_is_function_p || class_is_variable_p
1412     then
1413         printf "  ${staticdefault},  /* ${function} */\n"
1414     fi
1415 done
1416 cat <<EOF
1417   /* startup_gdbarch() */
1418 };
1419
1420 struct gdbarch *current_gdbarch = &startup_gdbarch;
1421
1422 /* Do any initialization needed for a non-multiarch configuration
1423    after the _initialize_MODULE functions have been run.  */
1424 void
1425 initialize_non_multiarch (void)
1426 {
1427   alloc_gdbarch_data (&startup_gdbarch);
1428   /* Ensure that all swap areas are zeroed so that they again think
1429      they are starting from scratch.  */
1430   clear_gdbarch_swap (&startup_gdbarch);
1431   init_gdbarch_swap (&startup_gdbarch);
1432 }
1433 EOF
1434
1435 # Create a new gdbarch struct
1436 printf "\n"
1437 printf "\n"
1438 cat <<EOF
1439 /* Create a new \`\`struct gdbarch'' based on information provided by
1440    \`\`struct gdbarch_info''. */
1441 EOF
1442 printf "\n"
1443 cat <<EOF
1444 struct gdbarch *
1445 gdbarch_alloc (const struct gdbarch_info *info,
1446                struct gdbarch_tdep *tdep)
1447 {
1448   /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1449      so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1450      the current local architecture and not the previous global
1451      architecture.  This ensures that the new architectures initial
1452      values are not influenced by the previous architecture.  Once
1453      everything is parameterised with gdbarch, this will go away.  */
1454   struct gdbarch *current_gdbarch;
1455
1456   /* Create an obstack for allocating all the per-architecture memory,
1457      then use that to allocate the architecture vector.  */
1458   struct obstack *obstack = XMALLOC (struct obstack);
1459   obstack_init (obstack);
1460   current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1461   memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1462   current_gdbarch->obstack = obstack;
1463
1464   alloc_gdbarch_data (current_gdbarch);
1465
1466   current_gdbarch->tdep = tdep;
1467 EOF
1468 printf "\n"
1469 function_list | while do_read
1470 do
1471     if class_is_info_p
1472     then
1473         printf "  current_gdbarch->${function} = info->${function};\n"
1474     fi
1475 done
1476 printf "\n"
1477 printf "  /* Force the explicit initialization of these. */\n"
1478 function_list | while do_read
1479 do
1480     if class_is_function_p || class_is_variable_p
1481     then
1482         if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1483         then
1484           printf "  current_gdbarch->${function} = ${predefault};\n"
1485         fi
1486     fi
1487 done
1488 cat <<EOF
1489   /* gdbarch_alloc() */
1490
1491   return current_gdbarch;
1492 }
1493 EOF
1494
1495 # Free a gdbarch struct.
1496 printf "\n"
1497 printf "\n"
1498 cat <<EOF
1499 /* Allocate extra space using the per-architecture obstack.  */
1500
1501 void *
1502 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1503 {
1504   void *data = obstack_alloc (arch->obstack, size);
1505   memset (data, 0, size);
1506   return data;
1507 }
1508
1509
1510 /* Free a gdbarch struct.  This should never happen in normal
1511    operation --- once you've created a gdbarch, you keep it around.
1512    However, if an architecture's init function encounters an error
1513    building the structure, it may need to clean up a partially
1514    constructed gdbarch.  */
1515
1516 void
1517 gdbarch_free (struct gdbarch *arch)
1518 {
1519   struct obstack *obstack;
1520   gdb_assert (arch != NULL);
1521   gdb_assert (!arch->initialized_p);
1522   obstack = arch->obstack;
1523   obstack_free (obstack, 0); /* Includes the ARCH.  */
1524   xfree (obstack);
1525 }
1526 EOF
1527
1528 # verify a new architecture
1529 printf "\n"
1530 printf "\n"
1531 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1532 printf "\n"
1533 cat <<EOF
1534 static void
1535 verify_gdbarch (struct gdbarch *gdbarch)
1536 {
1537   struct ui_file *log;
1538   struct cleanup *cleanups;
1539   long dummy;
1540   char *buf;
1541   log = mem_fileopen ();
1542   cleanups = make_cleanup_ui_file_delete (log);
1543   /* fundamental */
1544   if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1545     fprintf_unfiltered (log, "\n\tbyte-order");
1546   if (gdbarch->bfd_arch_info == NULL)
1547     fprintf_unfiltered (log, "\n\tbfd_arch_info");
1548   /* Check those that need to be defined for the given multi-arch level. */
1549 EOF
1550 function_list | while do_read
1551 do
1552     if class_is_function_p || class_is_variable_p
1553     then
1554         if [ "x${invalid_p}" = "x0" ]
1555         then
1556             printf "  /* Skip verify of ${function}, invalid_p == 0 */\n"
1557         elif class_is_predicate_p
1558         then
1559             printf "  /* Skip verify of ${function}, has predicate */\n"
1560         # FIXME: See do_read for potential simplification
1561         elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1562         then
1563             printf "  if (${invalid_p})\n"
1564             printf "    gdbarch->${function} = ${postdefault};\n"
1565         elif [ -n "${predefault}" -a -n "${postdefault}" ]
1566         then
1567             printf "  if (gdbarch->${function} == ${predefault})\n"
1568             printf "    gdbarch->${function} = ${postdefault};\n"
1569         elif [ -n "${postdefault}" ]
1570         then
1571             printf "  if (gdbarch->${function} == 0)\n"
1572             printf "    gdbarch->${function} = ${postdefault};\n"
1573         elif [ -n "${invalid_p}" ]
1574         then
1575             printf "  if ((GDB_MULTI_ARCH ${gt_level})\n"
1576             printf "      && (${invalid_p}))\n"
1577             printf "    fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1578         elif [ -n "${predefault}" ]
1579         then
1580             printf "  if ((GDB_MULTI_ARCH ${gt_level})\n"
1581             printf "      && (gdbarch->${function} == ${predefault}))\n"
1582             printf "    fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1583         fi
1584     fi
1585 done
1586 cat <<EOF
1587   buf = ui_file_xstrdup (log, &dummy);
1588   make_cleanup (xfree, buf);
1589   if (strlen (buf) > 0)
1590     internal_error (__FILE__, __LINE__,
1591                     "verify_gdbarch: the following are invalid ...%s",
1592                     buf);
1593   do_cleanups (cleanups);
1594 }
1595 EOF
1596
1597 # dump the structure
1598 printf "\n"
1599 printf "\n"
1600 cat <<EOF
1601 /* Print out the details of the current architecture. */
1602
1603 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1604    just happens to match the global variable \`\`current_gdbarch''.  That
1605    way macros refering to that variable get the local and not the global
1606    version - ulgh.  Once everything is parameterised with gdbarch, this
1607    will go away. */
1608
1609 void
1610 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1611 {
1612   fprintf_unfiltered (file,
1613                       "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1614                       GDB_MULTI_ARCH);
1615 EOF
1616 function_list | sort -t: -k 3 | while do_read
1617 do
1618     # First the predicate
1619     if class_is_predicate_p
1620     then
1621         if class_is_multiarch_p
1622         then
1623             printf "  fprintf_unfiltered (file,\n"
1624             printf "                      \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1625             printf "                      gdbarch_${function}_p (current_gdbarch));\n"
1626         else
1627             printf "#ifdef ${macro}_P\n"
1628             printf "  fprintf_unfiltered (file,\n"
1629             printf "                      \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1630             printf "                      \"${macro}_P()\",\n"
1631             printf "                      XSTRING (${macro}_P ()));\n"
1632             printf "  fprintf_unfiltered (file,\n"
1633             printf "                      \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1634             printf "                      ${macro}_P ());\n"
1635             printf "#endif\n"
1636         fi
1637     fi
1638     # multiarch functions don't have macros.
1639     if class_is_multiarch_p
1640     then
1641         printf "  fprintf_unfiltered (file,\n"
1642         printf "                      \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1643         printf "                      (long) current_gdbarch->${function});\n"
1644         continue
1645     fi
1646     # Print the macro definition.
1647     printf "#ifdef ${macro}\n"
1648     if class_is_function_p
1649     then
1650         printf "  fprintf_unfiltered (file,\n"
1651         printf "                      \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1652         printf "                      \"${macro}(${actual})\",\n"
1653         printf "                      XSTRING (${macro} (${actual})));\n"
1654     else
1655         printf "  fprintf_unfiltered (file,\n"
1656         printf "                      \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1657         printf "                      XSTRING (${macro}));\n"
1658     fi
1659     if [ "x${print_p}" = "x()" ]
1660     then
1661         printf "  gdbarch_dump_${function} (current_gdbarch);\n"
1662     elif [ "x${print_p}" = "x0" ]
1663     then
1664         printf "  /* skip print of ${macro}, print_p == 0. */\n"
1665     elif [ -n "${print_p}" ]
1666     then
1667         printf "  if (${print_p})\n"
1668         printf "    fprintf_unfiltered (file,\n"
1669         printf "                        \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1670         printf "                        ${print});\n"
1671     elif class_is_function_p
1672     then
1673         printf "  fprintf_unfiltered (file,\n"
1674         printf "                      \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1675         printf "                      (long) current_gdbarch->${function}\n"
1676         printf "                      /*${macro} ()*/);\n"
1677     else
1678         printf "  fprintf_unfiltered (file,\n"
1679         printf "                      \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1680         printf "                      ${print});\n"
1681     fi
1682     printf "#endif\n"
1683 done
1684 cat <<EOF
1685   if (current_gdbarch->dump_tdep != NULL)
1686     current_gdbarch->dump_tdep (current_gdbarch, file);
1687 }
1688 EOF
1689
1690
1691 # GET/SET
1692 printf "\n"
1693 cat <<EOF
1694 struct gdbarch_tdep *
1695 gdbarch_tdep (struct gdbarch *gdbarch)
1696 {
1697   if (gdbarch_debug >= 2)
1698     fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1699   return gdbarch->tdep;
1700 }
1701 EOF
1702 printf "\n"
1703 function_list | while do_read
1704 do
1705     if class_is_predicate_p
1706     then
1707         printf "\n"
1708         printf "int\n"
1709         printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1710         printf "{\n"
1711         printf "  gdb_assert (gdbarch != NULL);\n"
1712         printf "  return ${predicate};\n"
1713         printf "}\n"
1714     fi
1715     if class_is_function_p
1716     then
1717         printf "\n"
1718         printf "${returntype}\n"
1719         if [ "x${formal}" = "xvoid" ]
1720         then
1721           printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1722         else
1723           printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1724         fi
1725         printf "{\n"
1726         printf "  gdb_assert (gdbarch != NULL);\n"
1727         printf "  gdb_assert (gdbarch->${function} != NULL);\n"
1728         if class_is_predicate_p && test -n "${predefault}"
1729         then
1730             # Allow a call to a function with a predicate.
1731             printf "  /* Do not check predicate: ${predicate}, allow call.  */\n"
1732         fi
1733         printf "  if (gdbarch_debug >= 2)\n"
1734         printf "    fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1735         if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1736         then
1737             if class_is_multiarch_p
1738             then
1739                 params="gdbarch"
1740             else
1741                 params=""
1742             fi
1743         else
1744             if class_is_multiarch_p
1745             then
1746                 params="gdbarch, ${actual}"
1747             else
1748                 params="${actual}"
1749             fi
1750         fi
1751         if [ "x${returntype}" = "xvoid" ]
1752         then
1753           printf "  gdbarch->${function} (${params});\n"
1754         else
1755           printf "  return gdbarch->${function} (${params});\n"
1756         fi
1757         printf "}\n"
1758         printf "\n"
1759         printf "void\n"
1760         printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1761         printf "            `echo ${function} | sed -e 's/./ /g'`  gdbarch_${function}_ftype ${function})\n"
1762         printf "{\n"
1763         printf "  gdbarch->${function} = ${function};\n"
1764         printf "}\n"
1765     elif class_is_variable_p
1766     then
1767         printf "\n"
1768         printf "${returntype}\n"
1769         printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1770         printf "{\n"
1771         printf "  gdb_assert (gdbarch != NULL);\n"
1772         if [ "x${invalid_p}" = "x0" ]
1773         then
1774             printf "  /* Skip verify of ${function}, invalid_p == 0 */\n"
1775         elif [ -n "${invalid_p}" ]
1776         then
1777             printf "  /* Check variable is valid.  */\n"
1778             printf "  gdb_assert (!(${invalid_p}));\n"
1779         elif [ -n "${predefault}" ]
1780         then
1781             printf "  /* Check variable changed from pre-default.  */\n"
1782             printf "  gdb_assert (gdbarch->${function} != ${predefault});\n"
1783         fi
1784         printf "  if (gdbarch_debug >= 2)\n"
1785         printf "    fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1786         printf "  return gdbarch->${function};\n"
1787         printf "}\n"
1788         printf "\n"
1789         printf "void\n"
1790         printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1791         printf "            `echo ${function} | sed -e 's/./ /g'`  ${returntype} ${function})\n"
1792         printf "{\n"
1793         printf "  gdbarch->${function} = ${function};\n"
1794         printf "}\n"
1795     elif class_is_info_p
1796     then
1797         printf "\n"
1798         printf "${returntype}\n"
1799         printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1800         printf "{\n"
1801         printf "  gdb_assert (gdbarch != NULL);\n"
1802         printf "  if (gdbarch_debug >= 2)\n"
1803         printf "    fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1804         printf "  return gdbarch->${function};\n"
1805         printf "}\n"
1806     fi
1807 done
1808
1809 # All the trailing guff
1810 cat <<EOF
1811
1812
1813 /* Keep a registry of per-architecture data-pointers required by GDB
1814    modules. */
1815
1816 struct gdbarch_data
1817 {
1818   unsigned index;
1819   int init_p;
1820   gdbarch_data_init_ftype *init;
1821 };
1822
1823 struct gdbarch_data_registration
1824 {
1825   struct gdbarch_data *data;
1826   struct gdbarch_data_registration *next;
1827 };
1828
1829 struct gdbarch_data_registry
1830 {
1831   unsigned nr;
1832   struct gdbarch_data_registration *registrations;
1833 };
1834
1835 struct gdbarch_data_registry gdbarch_data_registry =
1836 {
1837   0, NULL,
1838 };
1839
1840 struct gdbarch_data *
1841 register_gdbarch_data (gdbarch_data_init_ftype *init)
1842 {
1843   struct gdbarch_data_registration **curr;
1844   /* Append the new registraration.  */
1845   for (curr = &gdbarch_data_registry.registrations;
1846        (*curr) != NULL;
1847        curr = &(*curr)->next);
1848   (*curr) = XMALLOC (struct gdbarch_data_registration);
1849   (*curr)->next = NULL;
1850   (*curr)->data = XMALLOC (struct gdbarch_data);
1851   (*curr)->data->index = gdbarch_data_registry.nr++;
1852   (*curr)->data->init = init;
1853   (*curr)->data->init_p = 1;
1854   return (*curr)->data;
1855 }
1856
1857
1858 /* Create/delete the gdbarch data vector. */
1859
1860 static void
1861 alloc_gdbarch_data (struct gdbarch *gdbarch)
1862 {
1863   gdb_assert (gdbarch->data == NULL);
1864   gdbarch->nr_data = gdbarch_data_registry.nr;
1865   gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1866 }
1867
1868 /* Initialize the current value of the specified per-architecture
1869    data-pointer. */
1870
1871 void
1872 set_gdbarch_data (struct gdbarch *gdbarch,
1873                   struct gdbarch_data *data,
1874                   void *pointer)
1875 {
1876   gdb_assert (data->index < gdbarch->nr_data);
1877   gdb_assert (gdbarch->data[data->index] == NULL);
1878   gdbarch->data[data->index] = pointer;
1879 }
1880
1881 /* Return the current value of the specified per-architecture
1882    data-pointer. */
1883
1884 void *
1885 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1886 {
1887   gdb_assert (data->index < gdbarch->nr_data);
1888   /* The data-pointer isn't initialized, call init() to get a value but
1889      only if the architecture initializaiton has completed.  Otherwise
1890      punt - hope that the caller knows what they are doing.  */
1891   if (gdbarch->data[data->index] == NULL
1892       && gdbarch->initialized_p)
1893     {
1894       /* Be careful to detect an initialization cycle.  */
1895       gdb_assert (data->init_p);
1896       data->init_p = 0;
1897       gdb_assert (data->init != NULL);
1898       gdbarch->data[data->index] = data->init (gdbarch);
1899       data->init_p = 1;
1900       gdb_assert (gdbarch->data[data->index] != NULL);
1901     }
1902   return gdbarch->data[data->index];
1903 }
1904
1905
1906
1907 /* Keep a registry of swapped data required by GDB modules. */
1908
1909 struct gdbarch_swap
1910 {
1911   void *swap;
1912   struct gdbarch_swap_registration *source;
1913   struct gdbarch_swap *next;
1914 };
1915
1916 struct gdbarch_swap_registration
1917 {
1918   void *data;
1919   unsigned long sizeof_data;
1920   gdbarch_swap_ftype *init;
1921   struct gdbarch_swap_registration *next;
1922 };
1923
1924 struct gdbarch_swap_registry
1925 {
1926   int nr;
1927   struct gdbarch_swap_registration *registrations;
1928 };
1929
1930 struct gdbarch_swap_registry gdbarch_swap_registry =
1931 {
1932   0, NULL,
1933 };
1934
1935 void
1936 register_gdbarch_swap (void *data,
1937                        unsigned long sizeof_data,
1938                        gdbarch_swap_ftype *init)
1939 {
1940   struct gdbarch_swap_registration **rego;
1941   for (rego = &gdbarch_swap_registry.registrations;
1942        (*rego) != NULL;
1943        rego = &(*rego)->next);
1944   (*rego) = XMALLOC (struct gdbarch_swap_registration);
1945   (*rego)->next = NULL;
1946   (*rego)->init = init;
1947   (*rego)->data = data;
1948   (*rego)->sizeof_data = sizeof_data;
1949 }
1950
1951 static void
1952 clear_gdbarch_swap (struct gdbarch *gdbarch)
1953 {
1954   struct gdbarch_swap *curr;
1955   for (curr = gdbarch->swap;
1956        curr != NULL;
1957        curr = curr->next)
1958     {
1959       memset (curr->source->data, 0, curr->source->sizeof_data);
1960     }
1961 }
1962
1963 static void
1964 init_gdbarch_swap (struct gdbarch *gdbarch)
1965 {
1966   struct gdbarch_swap_registration *rego;
1967   struct gdbarch_swap **curr = &gdbarch->swap;
1968   for (rego = gdbarch_swap_registry.registrations;
1969        rego != NULL;
1970        rego = rego->next)
1971     {
1972       if (rego->data != NULL)
1973         {
1974           (*curr) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdbarch_swap);
1975           (*curr)->source = rego;
1976           (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
1977           (*curr)->next = NULL;
1978           curr = &(*curr)->next;
1979         }
1980       if (rego->init != NULL)
1981         rego->init ();
1982     }
1983 }
1984
1985 static void
1986 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1987 {
1988   struct gdbarch_swap *curr;
1989   for (curr = gdbarch->swap;
1990        curr != NULL;
1991        curr = curr->next)
1992     memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1993 }
1994
1995 static void
1996 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1997 {
1998   struct gdbarch_swap *curr;
1999   for (curr = gdbarch->swap;
2000        curr != NULL;
2001        curr = curr->next)
2002     memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
2003 }
2004
2005
2006 /* Keep a registry of the architectures known by GDB. */
2007
2008 struct gdbarch_registration
2009 {
2010   enum bfd_architecture bfd_architecture;
2011   gdbarch_init_ftype *init;
2012   gdbarch_dump_tdep_ftype *dump_tdep;
2013   struct gdbarch_list *arches;
2014   struct gdbarch_registration *next;
2015 };
2016
2017 static struct gdbarch_registration *gdbarch_registry = NULL;
2018
2019 static void
2020 append_name (const char ***buf, int *nr, const char *name)
2021 {
2022   *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2023   (*buf)[*nr] = name;
2024   *nr += 1;
2025 }
2026
2027 const char **
2028 gdbarch_printable_names (void)
2029 {
2030   /* Accumulate a list of names based on the registed list of
2031      architectures. */
2032   enum bfd_architecture a;
2033   int nr_arches = 0;
2034   const char **arches = NULL;
2035   struct gdbarch_registration *rego;
2036   for (rego = gdbarch_registry;
2037        rego != NULL;
2038        rego = rego->next)
2039     {
2040       const struct bfd_arch_info *ap;
2041       ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2042       if (ap == NULL)
2043         internal_error (__FILE__, __LINE__,
2044                         "gdbarch_architecture_names: multi-arch unknown");
2045       do
2046         {
2047           append_name (&arches, &nr_arches, ap->printable_name);
2048           ap = ap->next;
2049         }
2050       while (ap != NULL);
2051     }
2052   append_name (&arches, &nr_arches, NULL);
2053   return arches;
2054 }
2055
2056
2057 void
2058 gdbarch_register (enum bfd_architecture bfd_architecture,
2059                   gdbarch_init_ftype *init,
2060                   gdbarch_dump_tdep_ftype *dump_tdep)
2061 {
2062   struct gdbarch_registration **curr;
2063   const struct bfd_arch_info *bfd_arch_info;
2064   /* Check that BFD recognizes this architecture */
2065   bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2066   if (bfd_arch_info == NULL)
2067     {
2068       internal_error (__FILE__, __LINE__,
2069                       "gdbarch: Attempt to register unknown architecture (%d)",
2070                       bfd_architecture);
2071     }
2072   /* Check that we haven't seen this architecture before */
2073   for (curr = &gdbarch_registry;
2074        (*curr) != NULL;
2075        curr = &(*curr)->next)
2076     {
2077       if (bfd_architecture == (*curr)->bfd_architecture)
2078         internal_error (__FILE__, __LINE__,
2079                         "gdbarch: Duplicate registraration of architecture (%s)",
2080                         bfd_arch_info->printable_name);
2081     }
2082   /* log it */
2083   if (gdbarch_debug)
2084     fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2085                         bfd_arch_info->printable_name,
2086                         (long) init);
2087   /* Append it */
2088   (*curr) = XMALLOC (struct gdbarch_registration);
2089   (*curr)->bfd_architecture = bfd_architecture;
2090   (*curr)->init = init;
2091   (*curr)->dump_tdep = dump_tdep;
2092   (*curr)->arches = NULL;
2093   (*curr)->next = NULL;
2094 }
2095
2096 void
2097 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2098                        gdbarch_init_ftype *init)
2099 {
2100   gdbarch_register (bfd_architecture, init, NULL);
2101 }
2102
2103
2104 /* Look for an architecture using gdbarch_info.  Base search on only
2105    BFD_ARCH_INFO and BYTE_ORDER. */
2106
2107 struct gdbarch_list *
2108 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2109                              const struct gdbarch_info *info)
2110 {
2111   for (; arches != NULL; arches = arches->next)
2112     {
2113       if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2114         continue;
2115       if (info->byte_order != arches->gdbarch->byte_order)
2116         continue;
2117       if (info->osabi != arches->gdbarch->osabi)
2118         continue;
2119       return arches;
2120     }
2121   return NULL;
2122 }
2123
2124
2125 /* Update the current architecture. Return ZERO if the update request
2126    failed. */
2127
2128 int
2129 gdbarch_update_p (struct gdbarch_info info)
2130 {
2131   struct gdbarch *new_gdbarch;
2132   struct gdbarch *old_gdbarch;
2133   struct gdbarch_registration *rego;
2134
2135   /* Fill in missing parts of the INFO struct using a number of
2136      sources: \`\`set ...''; INFOabfd supplied; existing target.  */
2137
2138   /* \`\`(gdb) set architecture ...'' */
2139   if (info.bfd_arch_info == NULL
2140       && !TARGET_ARCHITECTURE_AUTO)
2141     info.bfd_arch_info = TARGET_ARCHITECTURE;
2142   if (info.bfd_arch_info == NULL
2143       && info.abfd != NULL
2144       && bfd_get_arch (info.abfd) != bfd_arch_unknown
2145       && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2146     info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2147   if (info.bfd_arch_info == NULL)
2148     info.bfd_arch_info = TARGET_ARCHITECTURE;
2149
2150   /* \`\`(gdb) set byte-order ...'' */
2151   if (info.byte_order == BFD_ENDIAN_UNKNOWN
2152       && !TARGET_BYTE_ORDER_AUTO)
2153     info.byte_order = TARGET_BYTE_ORDER;
2154   /* From the INFO struct. */
2155   if (info.byte_order == BFD_ENDIAN_UNKNOWN
2156       && info.abfd != NULL)
2157     info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2158                        : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2159                        : BFD_ENDIAN_UNKNOWN);
2160   /* From the current target. */
2161   if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2162     info.byte_order = TARGET_BYTE_ORDER;
2163
2164   /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi.  */
2165   if (info.osabi == GDB_OSABI_UNINITIALIZED)
2166     info.osabi = gdbarch_lookup_osabi (info.abfd);
2167   if (info.osabi == GDB_OSABI_UNINITIALIZED)
2168     info.osabi = current_gdbarch->osabi;
2169
2170   /* Must have found some sort of architecture. */
2171   gdb_assert (info.bfd_arch_info != NULL);
2172
2173   if (gdbarch_debug)
2174     {
2175       fprintf_unfiltered (gdb_stdlog,
2176                           "gdbarch_update: info.bfd_arch_info %s\n",
2177                           (info.bfd_arch_info != NULL
2178                            ? info.bfd_arch_info->printable_name
2179                            : "(null)"));
2180       fprintf_unfiltered (gdb_stdlog,
2181                           "gdbarch_update: info.byte_order %d (%s)\n",
2182                           info.byte_order,
2183                           (info.byte_order == BFD_ENDIAN_BIG ? "big"
2184                            : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2185                            : "default"));
2186       fprintf_unfiltered (gdb_stdlog,
2187                           "gdbarch_update: info.osabi %d (%s)\n",
2188                           info.osabi, gdbarch_osabi_name (info.osabi));
2189       fprintf_unfiltered (gdb_stdlog,
2190                           "gdbarch_update: info.abfd 0x%lx\n",
2191                           (long) info.abfd);
2192       fprintf_unfiltered (gdb_stdlog,
2193                           "gdbarch_update: info.tdep_info 0x%lx\n",
2194                           (long) info.tdep_info);
2195     }
2196
2197   /* Find the target that knows about this architecture. */
2198   for (rego = gdbarch_registry;
2199        rego != NULL;
2200        rego = rego->next)
2201     if (rego->bfd_architecture == info.bfd_arch_info->arch)
2202       break;
2203   if (rego == NULL)
2204     {
2205       if (gdbarch_debug)
2206         fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2207       return 0;
2208     }
2209
2210   /* Swap the data belonging to the old target out setting the
2211      installed data to zero.  This stops the ->init() function trying
2212      to refer to the previous architecture's global data structures.  */
2213   swapout_gdbarch_swap (current_gdbarch);
2214   clear_gdbarch_swap (current_gdbarch);
2215
2216   /* Save the previously selected architecture, setting the global to
2217      NULL.  This stops ->init() trying to use the previous
2218      architecture's configuration.  The previous architecture may not
2219      even be of the same architecture family.  The most recent
2220      architecture of the same family is found at the head of the
2221      rego->arches list.  */
2222   old_gdbarch = current_gdbarch;
2223   current_gdbarch = NULL;
2224
2225   /* Ask the target for a replacement architecture. */
2226   new_gdbarch = rego->init (info, rego->arches);
2227
2228   /* Did the target like it?  No. Reject the change and revert to the
2229      old architecture.  */
2230   if (new_gdbarch == NULL)
2231     {
2232       if (gdbarch_debug)
2233         fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2234       swapin_gdbarch_swap (old_gdbarch);
2235       current_gdbarch = old_gdbarch;
2236       return 0;
2237     }
2238
2239   /* Did the architecture change?  No.  Oops, put the old architecture
2240      back.  */
2241   if (old_gdbarch == new_gdbarch)
2242     {
2243       if (gdbarch_debug)
2244         fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2245                             (long) new_gdbarch,
2246                             new_gdbarch->bfd_arch_info->printable_name);
2247       swapin_gdbarch_swap (old_gdbarch);
2248       current_gdbarch = old_gdbarch;
2249       return 1;
2250     }
2251
2252   /* Is this a pre-existing architecture?  Yes. Move it to the front
2253      of the list of architectures (keeping the list sorted Most
2254      Recently Used) and then copy it in.  */
2255   {
2256     struct gdbarch_list **list;
2257     for (list = &rego->arches;
2258          (*list) != NULL;
2259          list = &(*list)->next)
2260       {
2261         if ((*list)->gdbarch == new_gdbarch)
2262           {
2263             struct gdbarch_list *this;
2264             if (gdbarch_debug)
2265               fprintf_unfiltered (gdb_stdlog,
2266                                   "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2267                                   (long) new_gdbarch,
2268                                   new_gdbarch->bfd_arch_info->printable_name);
2269             /* Unlink this.  */
2270             this = (*list);
2271             (*list) = this->next;
2272             /* Insert in the front.  */
2273             this->next = rego->arches;
2274             rego->arches = this;
2275             /* Copy the new architecture in.  */
2276             current_gdbarch = new_gdbarch;
2277             swapin_gdbarch_swap (new_gdbarch);
2278             architecture_changed_event ();
2279             return 1;
2280           }
2281       }
2282   }
2283
2284   /* Prepend this new architecture to the architecture list (keep the
2285      list sorted Most Recently Used).  */
2286   {
2287     struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2288     this->next = rego->arches;
2289     this->gdbarch = new_gdbarch;
2290     rego->arches = this;
2291   }
2292
2293   /* Switch to this new architecture marking it initialized.  */
2294   current_gdbarch = new_gdbarch;
2295   current_gdbarch->initialized_p = 1;
2296   if (gdbarch_debug)
2297     {
2298       fprintf_unfiltered (gdb_stdlog,
2299                           "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2300                           (long) new_gdbarch,
2301                           new_gdbarch->bfd_arch_info->printable_name);
2302     }
2303
2304   /* Check that the newly installed architecture is valid.  Plug in
2305      any post init values.  */
2306   new_gdbarch->dump_tdep = rego->dump_tdep;
2307   verify_gdbarch (new_gdbarch);
2308
2309   /* Initialize the per-architecture memory (swap) areas.
2310      CURRENT_GDBARCH must be update before these modules are
2311      called. */
2312   init_gdbarch_swap (new_gdbarch);
2313
2314   /* Initialize the per-architecture data.  CURRENT_GDBARCH
2315      must be updated before these modules are called. */
2316   architecture_changed_event ();
2317
2318   if (gdbarch_debug)
2319     gdbarch_dump (current_gdbarch, gdb_stdlog);
2320
2321   return 1;
2322 }
2323
2324
2325 extern void _initialize_gdbarch (void);
2326
2327 void
2328 _initialize_gdbarch (void)
2329 {
2330   struct cmd_list_element *c;
2331
2332   add_show_from_set (add_set_cmd ("arch",
2333                                   class_maintenance,
2334                                   var_zinteger,
2335                                   (char *)&gdbarch_debug,
2336                                   "Set architecture debugging.\\n\\
2337 When non-zero, architecture debugging is enabled.", &setdebuglist),
2338                      &showdebuglist);
2339   c = add_set_cmd ("archdebug",
2340                    class_maintenance,
2341                    var_zinteger,
2342                    (char *)&gdbarch_debug,
2343                    "Set architecture debugging.\\n\\
2344 When non-zero, architecture debugging is enabled.", &setlist);
2345
2346   deprecate_cmd (c, "set debug arch");
2347   deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2348 }
2349 EOF
2350
2351 # close things off
2352 exec 1>&2
2353 #../move-if-change new-gdbarch.c gdbarch.c
2354 compare_new gdbarch.c