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:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
 597 F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
 598 # NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
 599 F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
 600 #
 601 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
 602 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
 603 f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
 604 f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
 605 #
 606 F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
 607 F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf
 608 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
 609 #
 610 F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
 611 F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
 612 #
 613 f:2:SKIP_PROLOGUE:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip::0:0
 614 f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
 615 f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
 616 f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
 617 M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
 618 f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
 619 f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
 620 v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
 621 v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
 622 #
 623 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
 624 #
 625 v:2:FRAME_ARGS_SKIP:CORE_ADDR:frame_args_skip::::0:-1
 626 f:2:FRAMELESS_FUNCTION_INVOCATION:int:frameless_function_invocation:struct frame_info *fi:fi:::generic_frameless_function_invocation_not::0
 627 F:2:DEPRECATED_FRAME_CHAIN:CORE_ADDR:deprecated_frame_chain:struct frame_info *frame:frame
 628 F:2:DEPRECATED_FRAME_CHAIN_VALID:int:deprecated_frame_chain_valid:CORE_ADDR chain, struct frame_info *thisframe:chain, thisframe
 629 # DEPRECATED_FRAME_SAVED_PC has been replaced by UNWIND_PC.  Please
 630 # note, per UNWIND_PC's doco, that while the two have similar
 631 # interfaces they have very different underlying implementations.
 632 F:2:DEPRECATED_FRAME_SAVED_PC:CORE_ADDR:deprecated_frame_saved_pc:struct frame_info *fi:fi
 633 M::UNWIND_PC:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
 634 M::UNWIND_SP:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
 635 # DEPRECATED_FRAME_ARGS_ADDRESS as been replaced by the per-frame
 636 # frame-base.  Enable frame-base before frame-unwind.
 637 F::DEPRECATED_FRAME_ARGS_ADDRESS:CORE_ADDR:deprecated_frame_args_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
 638 # DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
 639 # frame-base.  Enable frame-base before frame-unwind.
 640 F::DEPRECATED_FRAME_LOCALS_ADDRESS:CORE_ADDR:deprecated_frame_locals_address:struct frame_info *fi:fi::get_frame_base:get_frame_base
 641 F::DEPRECATED_SAVED_PC_AFTER_CALL:CORE_ADDR:deprecated_saved_pc_after_call:struct frame_info *frame:frame
 642 F:2:FRAME_NUM_ARGS:int:frame_num_args:struct frame_info *frame:frame
 643 #
 644 # DEPRECATED_STACK_ALIGN has been replaced by an initial aligning call
 645 # to frame_align and the requirement that methods such as
 646 # push_dummy_call and frame_red_zone_size maintain correct stack/frame
 647 # alignment.
 648 F:2:DEPRECATED_STACK_ALIGN:CORE_ADDR:deprecated_stack_align:CORE_ADDR sp:sp
 649 M:::CORE_ADDR:frame_align:CORE_ADDR address:address
 650 # DEPRECATED_REG_STRUCT_HAS_ADDR has been replaced by
 651 # stabs_argument_has_addr.
 652 F:2:DEPRECATED_REG_STRUCT_HAS_ADDR:int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
 653 m:::int:stabs_argument_has_addr:struct type *type:type:::default_stabs_argument_has_addr::0
 654 v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
 655 v:2:PARM_BOUNDARY:int:parm_boundary
 656 #
 657 v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
 658 v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
 659 v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
 660 f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
 661 # On some machines there are bits in addresses which are not really
 662 # part of the address, but are used by the kernel, the hardware, etc.
 663 # for special purposes.  ADDR_BITS_REMOVE takes out any such bits so
 664 # we get a "real" address such as one would find in a symbol table.
 665 # This is used only for addresses of instructions, and even then I'm
 666 # not sure it's used in all contexts.  It exists to deal with there
 667 # being a few stray bits in the PC which would mislead us, not as some
 668 # sort of generic thing to handle alignment or segmentation (it's
 669 # possible it should be in TARGET_READ_PC instead).
 670 f:2:ADDR_BITS_REMOVE:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr:::core_addr_identity::0
 671 # It is not at all clear why SMASH_TEXT_ADDRESS is not folded into
 672 # ADDR_BITS_REMOVE.
 673 f:2:SMASH_TEXT_ADDRESS:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr:::core_addr_identity::0
 674 # FIXME/cagney/2001-01-18: This should be split in two.  A target method that indicates if
 675 # the target needs software single step.  An ISA method to implement it.
 676 #
 677 # FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
 678 # using the breakpoint system instead of blatting memory directly (as with rs6000).
 679 #
 680 # FIXME/cagney/2001-01-18: The logic is backwards.  It should be asking if the target can
 681 # single step.  If not, then implement single step using breakpoints.
 682 F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p
 683 # FIXME: cagney/2003-08-28: Need to find a better way of selecting the
 684 # disassembler.  Perhaphs objdump can handle it?
 685 f::TARGET_PRINT_INSN:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info:::0:
 686 f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
 687
 688
 689 # For SVR4 shared libraries, each call goes through a small piece of
 690 # trampoline code in the ".plt" section.  IN_SOLIB_CALL_TRAMPOLINE evaluates
 691 # to nonzero if we are currently stopped in one of these.
 692 f:2:IN_SOLIB_CALL_TRAMPOLINE:int:in_solib_call_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_call_trampoline::0
 693
 694 # Some systems also have trampoline code for returning from shared libs.
 695 f:2:IN_SOLIB_RETURN_TRAMPOLINE:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name:::generic_in_solib_return_trampoline::0
 696
 697 # Sigtramp is a routine that the kernel calls (which then calls the
 698 # signal handler).  On most machines it is a library routine that is
 699 # linked into the executable.
 700 #
 701 # This macro, given a program counter value and the name of the
 702 # function in which that PC resides (which can be null if the name is
 703 # not known), returns nonzero if the PC and name show that we are in
 704 # sigtramp.
 705 #
 706 # On most machines just see if the name is sigtramp (and if we have
 707 # no name, assume we are not in sigtramp).
 708 #
 709 # FIXME: cagney/2002-04-21: The function find_pc_partial_function
 710 # calls find_pc_sect_partial_function() which calls PC_IN_SIGTRAMP.
 711 # This means PC_IN_SIGTRAMP function can't be implemented by doing its
 712 # own local NAME lookup.
 713 #
 714 # FIXME: cagney/2002-04-21: PC_IN_SIGTRAMP is something of a mess.
 715 # Some code also depends on SIGTRAMP_START and SIGTRAMP_END but other
 716 # does not.
 717 f:2:PC_IN_SIGTRAMP:int:pc_in_sigtramp:CORE_ADDR pc, char *name:pc, name:::legacy_pc_in_sigtramp::0
 718 F:2:SIGTRAMP_START:CORE_ADDR:sigtramp_start:CORE_ADDR pc:pc
 719 F:2:SIGTRAMP_END:CORE_ADDR:sigtramp_end:CORE_ADDR pc:pc
 720 # A target might have problems with watchpoints as soon as the stack
 721 # frame of the current function has been destroyed.  This mostly happens
 722 # as the first action in a funtion's epilogue.  in_function_epilogue_p()
 723 # is defined to return a non-zero value if either the given addr is one
 724 # instruction after the stack destroying instruction up to the trailing
 725 # return instruction or if we can figure out that the stack frame has
 726 # already been invalidated regardless of the value of addr.  Targets
 727 # which don't suffer from that problem could just let this functionality
 728 # untouched.
 729 m:::int:in_function_epilogue_p:CORE_ADDR addr:addr::0:generic_in_function_epilogue_p::0
 730 # Given a vector of command-line arguments, return a newly allocated
 731 # string which, when passed to the create_inferior function, will be
 732 # parsed (on Unix systems, by the shell) to yield the same vector.
 733 # This function should call error() if the argument vector is not
 734 # representable for this target or if this target does not support
 735 # command-line arguments.
 736 # ARGC is the number of elements in the vector.
 737 # ARGV is an array of strings, one per argument.
 738 m::CONSTRUCT_INFERIOR_ARGUMENTS:char *:construct_inferior_arguments:int argc, char **argv:argc, argv:::construct_inferior_arguments::0
 739 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
 740 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
 741 v:2:NAME_OF_MALLOC:const char *:name_of_malloc::::"malloc":"malloc"::0:%s:NAME_OF_MALLOC
 742 v:2:CANNOT_STEP_BREAKPOINT:int:cannot_step_breakpoint::::0:0::0
 743 v:2:HAVE_NONSTEPPABLE_WATCHPOINT:int:have_nonsteppable_watchpoint::::0:0::0
 744 F:2:ADDRESS_CLASS_TYPE_FLAGS:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class
 745 M:2:ADDRESS_CLASS_TYPE_FLAGS_TO_NAME:const char *:address_class_type_flags_to_name:int type_flags:type_flags
 746 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
 747 # Is a register in a group
 748 m:::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup:::default_register_reggroup_p::0
 749 # Fetch the pointer to the ith function argument.
 750 F::FETCH_POINTER_ARGUMENT:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
 751
 752 # Return the appropriate register set for a core file section with
 753 # name SECT_NAME and size SECT_SIZE.
 754 M:::const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size
 755 EOF
 756 }
 757
 758 #
 759 # The .log file
 760 #
 761 exec > new-gdbarch.log
 762 function_list | while do_read
 763 do
 764     cat <<EOF
 765 ${class} ${macro}(${actual})
 766   ${returntype} ${function} ($formal)${attrib}
 767 EOF
 768     for r in ${read}
 769     do
 770         eval echo \"\ \ \ \ ${r}=\${${r}}\"
 771     done
 772     if class_is_predicate_p && fallback_default_p
 773     then
 774         echo "Error: predicate function ${macro} can not have a non- multi-arch default" 1>&2
 775         kill $$
 776         exit 1
 777     fi
 778     if [ "x${invalid_p}" = "x0" -a -n "${postdefault}" ]
 779     then
 780         echo "Error: postdefault is useless when invalid_p=0" 1>&2
 781         kill $$
 782         exit 1
 783     fi
 784     if class_is_multiarch_p
 785     then
 786         if class_is_predicate_p ; then :
 787         elif test "x${predefault}" = "x"
 788         then
 789             echo "Error: pure multi-arch function must have a predefault" 1>&2
 790             kill $$
 791             exit 1
 792         fi
 793     fi
 794     echo ""
 795 done
 796
 797 exec 1>&2
 798 compare_new gdbarch.log
 799
 800
 801 copyright ()
 802 {
 803 cat <<EOF
 804 /* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
 805
 806 /* Dynamic architecture support for GDB, the GNU debugger.
 807    Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
 808
 809    This file is part of GDB.
 810
 811    This program is free software; you can redistribute it and/or modify
 812    it under the terms of the GNU General Public License as published by
 813    the Free Software Foundation; either version 2 of the License, or
 814    (at your option) any later version.
 815
 816    This program is distributed in the hope that it will be useful,
 817    but WITHOUT ANY WARRANTY; without even the implied warranty of
 818    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 819    GNU General Public License for more details.
 820
 821    You should have received a copy of the GNU General Public License
 822    along with this program; if not, write to the Free Software
 823    Foundation, Inc., 59 Temple Place - Suite 330,
 824    Boston, MA 02111-1307, USA.  */
 825
 826 /* This file was created with the aid of \`\`gdbarch.sh''.
 827
 828    The Bourne shell script \`\`gdbarch.sh'' creates the files
 829    \`\`new-gdbarch.c'' and \`\`new-gdbarch.h and then compares them
 830    against the existing \`\`gdbarch.[hc]''.  Any differences found
 831    being reported.
 832
 833    If editing this file, please also run gdbarch.sh and merge any
 834    changes into that script. Conversely, when making sweeping changes
 835    to this file, modifying gdbarch.sh and using its output may prove
 836    easier. */
 837
 838 EOF
 839 }
 840
 841 #
 842 # The .h file
 843 #
 844
 845 exec > new-gdbarch.h
 846 copyright
 847 cat <<EOF
 848 #ifndef GDBARCH_H
 849 #define GDBARCH_H
 850
 851 struct floatformat;
 852 struct ui_file;
 853 struct frame_info;
 854 struct value;
 855 struct objfile;
 856 struct minimal_symbol;
 857 struct regcache;
 858 struct reggroup;
 859 struct regset;
 860 struct disassemble_info;
 861
 862 extern struct gdbarch *current_gdbarch;
 863
 864
 865 /* If any of the following are defined, the target wasn't correctly
 866    converted. */
 867
 868 #if (GDB_MULTI_ARCH >= GDB_MULTI_ARCH_PURE) && defined (GDB_TM_FILE)
 869 #error "GDB_TM_FILE: Pure multi-arch targets do not have a tm.h file."
 870 #endif
 871 EOF
 872
 873 # function typedef's
 874 printf "\n"
 875 printf "\n"
 876 printf "/* The following are pre-initialized by GDBARCH. */\n"
 877 function_list | while do_read
 878 do
 879     if class_is_info_p
 880     then
 881         printf "\n"
 882         printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
 883         printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
 884         printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
 885         printf "#error \"Non multi-arch definition of ${macro}\"\n"
 886         printf "#endif\n"
 887         printf "#if !defined (${macro})\n"
 888         printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
 889         printf "#endif\n"
 890     fi
 891 done
 892
 893 # function typedef's
 894 printf "\n"
 895 printf "\n"
 896 printf "/* The following are initialized by the target dependent code. */\n"
 897 function_list | while do_read
 898 do
 899     if [ -n "${comment}" ]
 900     then
 901         echo "${comment}" | sed \
 902             -e '2 s,#,/*,' \
 903             -e '3,$ s,#,  ,' \
 904             -e '$ s,$, */,'
 905     fi
 906     if class_is_multiarch_p
 907     then
 908         if class_is_predicate_p
 909         then
 910             printf "\n"
 911             printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
 912         fi
 913     else
 914         if class_is_predicate_p
 915         then
 916             printf "\n"
 917             printf "#if defined (${macro})\n"
 918             printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
 919             #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
 920             printf "#if !defined (${macro}_P)\n"
 921             printf "#define ${macro}_P() (1)\n"
 922             printf "#endif\n"
 923             printf "#endif\n"
 924             printf "\n"
 925             printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
 926             printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro}_P)\n"
 927             printf "#error \"Non multi-arch definition of ${macro}\"\n"
 928             printf "#endif\n"
 929             printf "#if (GDB_MULTI_ARCH ${gt_level}) || !defined (${macro}_P)\n"
 930             printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
 931             printf "#endif\n"
 932         fi
 933     fi
 934     if class_is_variable_p
 935     then
 936         printf "\n"
 937         printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
 938         printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
 939         printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
 940         printf "#error \"Non multi-arch definition of ${macro}\"\n"
 941         printf "#endif\n"
 942         printf "#if !defined (${macro})\n"
 943         printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
 944         printf "#endif\n"
 945     fi
 946     if class_is_function_p
 947     then
 948         printf "\n"
 949         if [ "x${formal}" = "xvoid" ] && class_is_multiarch_p
 950         then
 951             printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
 952         elif class_is_multiarch_p
 953         then
 954             printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
 955         else
 956             printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
 957         fi
 958         if [ "x${formal}" = "xvoid" ]
 959         then
 960           printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
 961         else
 962           printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
 963         fi
 964         printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
 965         if class_is_multiarch_p ; then :
 966         else
 967             printf "#if (GDB_MULTI_ARCH ${gt_level}) && defined (${macro})\n"
 968             printf "#error \"Non multi-arch definition of ${macro}\"\n"
 969             printf "#endif\n"
 970             if [ "x${actual}" = "x" ]
 971             then
 972                 d="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
 973             elif [ "x${actual}" = "x-" ]
 974             then
 975                 d="#define ${macro} (gdbarch_${function} (current_gdbarch))"
 976             else
 977                 d="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
 978             fi
 979             printf "#if !defined (${macro})\n"
 980             if [ "x${actual}" = "x" ]
 981             then
 982                 printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
 983             elif [ "x${actual}" = "x-" ]
 984             then
 985                 printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
 986             else
 987                 printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
 988             fi
 989             printf "#endif\n"
 990         fi
 991     fi
 992 done
 993
 994 # close it off
 995 cat <<EOF
 996
 997 extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
 998
 999
1000 /* Mechanism for co-ordinating the selection of a specific
1001    architecture.
1002
1003    GDB targets (*-tdep.c) can register an interest in a specific
1004    architecture.  Other GDB components can register a need to maintain
1005    per-architecture data.
1006
1007    The mechanisms below ensures that there is only a loose connection
1008    between the set-architecture command and the various GDB
1009    components.  Each component can independently register their need
1010    to maintain architecture specific data with gdbarch.
1011
1012    Pragmatics:
1013
1014    Previously, a single TARGET_ARCHITECTURE_HOOK was provided.  It
1015    didn't scale.
1016
1017    The more traditional mega-struct containing architecture specific
1018    data for all the various GDB components was also considered.  Since
1019    GDB is built from a variable number of (fairly independent)
1020    components it was determined that the global aproach was not
1021    applicable. */
1022
1023
1024 /* Register a new architectural family with GDB.
1025
1026    Register support for the specified ARCHITECTURE with GDB.  When
1027    gdbarch determines that the specified architecture has been
1028    selected, the corresponding INIT function is called.
1029
1030    --
1031
1032    The INIT function takes two parameters: INFO which contains the
1033    information available to gdbarch about the (possibly new)
1034    architecture; ARCHES which is a list of the previously created
1035    \`\`struct gdbarch'' for this architecture.
1036
1037    The INFO parameter is, as far as possible, be pre-initialized with
1038    information obtained from INFO.ABFD or the previously selected
1039    architecture.
1040
1041    The ARCHES parameter is a linked list (sorted most recently used)
1042    of all the previously created architures for this architecture
1043    family.  The (possibly NULL) ARCHES->gdbarch can used to access
1044    values from the previously selected architecture for this
1045    architecture family.  The global \`\`current_gdbarch'' shall not be
1046    used.
1047
1048    The INIT function shall return any of: NULL - indicating that it
1049    doesn't recognize the selected architecture; an existing \`\`struct
1050    gdbarch'' from the ARCHES list - indicating that the new
1051    architecture is just a synonym for an earlier architecture (see
1052    gdbarch_list_lookup_by_info()); a newly created \`\`struct gdbarch''
1053    - that describes the selected architecture (see gdbarch_alloc()).
1054
1055    The DUMP_TDEP function shall print out all target specific values.
1056    Care should be taken to ensure that the function works in both the
1057    multi-arch and non- multi-arch cases. */
1058
1059 struct gdbarch_list
1060 {
1061   struct gdbarch *gdbarch;
1062   struct gdbarch_list *next;
1063 };
1064
1065 struct gdbarch_info
1066 {
1067   /* Use default: NULL (ZERO). */
1068   const struct bfd_arch_info *bfd_arch_info;
1069
1070   /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO).  */
1071   int byte_order;
1072
1073   /* Use default: NULL (ZERO). */
1074   bfd *abfd;
1075
1076   /* Use default: NULL (ZERO). */
1077   struct gdbarch_tdep_info *tdep_info;
1078
1079   /* Use default: GDB_OSABI_UNINITIALIZED (-1).  */
1080   enum gdb_osabi osabi;
1081 };
1082
1083 typedef struct gdbarch *(gdbarch_init_ftype) (struct gdbarch_info info, struct gdbarch_list *arches);
1084 typedef void (gdbarch_dump_tdep_ftype) (struct gdbarch *gdbarch, struct ui_file *file);
1085
1086 /* DEPRECATED - use gdbarch_register() */
1087 extern void register_gdbarch_init (enum bfd_architecture architecture, gdbarch_init_ftype *);
1088
1089 extern void gdbarch_register (enum bfd_architecture architecture,
1090                               gdbarch_init_ftype *,
1091                               gdbarch_dump_tdep_ftype *);
1092
1093
1094 /* Return a freshly allocated, NULL terminated, array of the valid
1095    architecture names.  Since architectures are registered during the
1096    _initialize phase this function only returns useful information
1097    once initialization has been completed. */
1098
1099 extern const char **gdbarch_printable_names (void);
1100
1101
1102 /* Helper function.  Search the list of ARCHES for a GDBARCH that
1103    matches the information provided by INFO. */
1104
1105 extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches,  const struct gdbarch_info *info);
1106
1107
1108 /* Helper function.  Create a preliminary \`\`struct gdbarch''.  Perform
1109    basic initialization using values obtained from the INFO andTDEP
1110    parameters.  set_gdbarch_*() functions are called to complete the
1111    initialization of the object. */
1112
1113 extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
1114
1115
1116 /* Helper function.  Free a partially-constructed \`\`struct gdbarch''.
1117    It is assumed that the caller freeds the \`\`struct
1118    gdbarch_tdep''. */
1119
1120 extern void gdbarch_free (struct gdbarch *);
1121
1122
1123 /* Helper function.  Allocate memory from the \`\`struct gdbarch''
1124    obstack.  The memory is freed when the corresponding architecture
1125    is also freed.  */
1126
1127 extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
1128 #define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
1129 #define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
1130
1131
1132 /* Helper function. Force an update of the current architecture.
1133
1134    The actual architecture selected is determined by INFO, \`\`(gdb) set
1135    architecture'' et.al., the existing architecture and BFD's default
1136    architecture.  INFO should be initialized to zero and then selected
1137    fields should be updated.
1138
1139    Returns non-zero if the update succeeds */
1140
1141 extern int gdbarch_update_p (struct gdbarch_info info);
1142
1143
1144
1145 /* Register per-architecture data-pointer.
1146
1147    Reserve space for a per-architecture data-pointer.  An identifier
1148    for the reserved data-pointer is returned.  That identifer should
1149    be saved in a local static variable.
1150
1151    The per-architecture data-pointer is either initialized explicitly
1152    (set_gdbarch_data()) or implicitly (by INIT() via a call to
1153    gdbarch_data()).
1154
1155    Memory for the per-architecture data shall be allocated using
1156    gdbarch_obstack_zalloc.  That memory will be deleted when the
1157    corresponding architecture object is deleted.
1158
1159    When a previously created architecture is re-selected, the
1160    per-architecture data-pointer for that previous architecture is
1161    restored.  INIT() is not re-called.
1162
1163    Multiple registrarants for any architecture are allowed (and
1164    strongly encouraged).  */
1165
1166 struct gdbarch_data;
1167
1168 typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
1169 extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init);
1170 extern void set_gdbarch_data (struct gdbarch *gdbarch,
1171                               struct gdbarch_data *data,
1172                               void *pointer);
1173
1174 extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
1175
1176
1177 /* Register per-architecture memory region.
1178
1179    Provide a memory-region swap mechanism.  Per-architecture memory
1180    region are created.  These memory regions are swapped whenever the
1181    architecture is changed.  For a new architecture, the memory region
1182    is initialized with zero (0) and the INIT function is called.
1183
1184    Memory regions are swapped / initialized in the order that they are
1185    registered.  NULL DATA and/or INIT values can be specified.
1186
1187    New code should use register_gdbarch_data(). */
1188
1189 typedef void (gdbarch_swap_ftype) (void);
1190 extern void register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
1191 #define REGISTER_GDBARCH_SWAP(VAR) register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
1192
1193
1194
1195 /* The target-system-dependent byte order is dynamic */
1196
1197 extern int target_byte_order;
1198 #ifndef TARGET_BYTE_ORDER
1199 #define TARGET_BYTE_ORDER (target_byte_order + 0)
1200 #endif
1201
1202 extern int target_byte_order_auto;
1203 #ifndef TARGET_BYTE_ORDER_AUTO
1204 #define TARGET_BYTE_ORDER_AUTO (target_byte_order_auto + 0)
1205 #endif
1206
1207
1208
1209 /* The target-system-dependent BFD architecture is dynamic */
1210
1211 extern int target_architecture_auto;
1212 #ifndef TARGET_ARCHITECTURE_AUTO
1213 #define TARGET_ARCHITECTURE_AUTO (target_architecture_auto + 0)
1214 #endif
1215
1216 extern const struct bfd_arch_info *target_architecture;
1217 #ifndef TARGET_ARCHITECTURE
1218 #define TARGET_ARCHITECTURE (target_architecture + 0)
1219 #endif
1220
1221
1222 /* Set the dynamic target-system-dependent parameters (architecture,
1223    byte-order, ...) using information found in the BFD */
1224
1225 extern void set_gdbarch_from_file (bfd *);
1226
1227
1228 /* Initialize the current architecture to the "first" one we find on
1229    our list.  */
1230
1231 extern void initialize_current_architecture (void);
1232
1233 /* For non-multiarched targets, do any initialization of the default
1234    gdbarch object necessary after the _initialize_MODULE functions
1235    have run.  */
1236 extern void initialize_non_multiarch (void);
1237
1238 /* gdbarch trace variable */
1239 extern int gdbarch_debug;
1240
1241 extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
1242
1243 #endif
1244 EOF
1245 exec 1>&2
1246 #../move-if-change new-gdbarch.h gdbarch.h
1247 compare_new gdbarch.h
1248
1249
1250 #
1251 # C file
1252 #
1253
1254 exec > new-gdbarch.c
1255 copyright
1256 cat <<EOF
1257
1258 #include "defs.h"
1259 #include "arch-utils.h"
1260
1261 #include "gdbcmd.h"
1262 #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */
1263 #include "symcat.h"
1264
1265 #include "floatformat.h"
1266
1267 #include "gdb_assert.h"
1268 #include "gdb_string.h"
1269 #include "gdb-events.h"
1270 #include "reggroups.h"
1271 #include "osabi.h"
1272 #include "symfile.h"            /* For entry_point_address.  */
1273 #include "gdb_obstack.h"
1274
1275 /* Static function declarations */
1276
1277 static void verify_gdbarch (struct gdbarch *gdbarch);
1278 static void alloc_gdbarch_data (struct gdbarch *);
1279 static void init_gdbarch_swap (struct gdbarch *);
1280 static void clear_gdbarch_swap (struct gdbarch *);
1281 static void swapout_gdbarch_swap (struct gdbarch *);
1282 static void swapin_gdbarch_swap (struct gdbarch *);
1283
1284 /* Non-zero if we want to trace architecture code.  */
1285
1286 #ifndef GDBARCH_DEBUG
1287 #define GDBARCH_DEBUG 0
1288 #endif
1289 int gdbarch_debug = GDBARCH_DEBUG;
1290
1291 EOF
1292
1293 # gdbarch open the gdbarch object
1294 printf "\n"
1295 printf "/* Maintain the struct gdbarch object */\n"
1296 printf "\n"
1297 printf "struct gdbarch\n"
1298 printf "{\n"
1299 printf "  /* Has this architecture been fully initialized?  */\n"
1300 printf "  int initialized_p;\n"
1301 printf "\n"
1302 printf "  /* An obstack bound to the lifetime of the architecture.  */\n"
1303 printf "  struct obstack *obstack;\n"
1304 printf "\n"
1305 printf "  /* basic architectural information */\n"
1306 function_list | while do_read
1307 do
1308     if class_is_info_p
1309     then
1310         printf "  ${returntype} ${function};\n"
1311     fi
1312 done
1313 printf "\n"
1314 printf "  /* target specific vector. */\n"
1315 printf "  struct gdbarch_tdep *tdep;\n"
1316 printf "  gdbarch_dump_tdep_ftype *dump_tdep;\n"
1317 printf "\n"
1318 printf "  /* per-architecture data-pointers */\n"
1319 printf "  unsigned nr_data;\n"
1320 printf "  void **data;\n"
1321 printf "\n"
1322 printf "  /* per-architecture swap-regions */\n"
1323 printf "  struct gdbarch_swap *swap;\n"
1324 printf "\n"
1325 cat <<EOF
1326   /* Multi-arch values.
1327
1328      When extending this structure you must:
1329
1330      Add the field below.
1331
1332      Declare set/get functions and define the corresponding
1333      macro in gdbarch.h.
1334
1335      gdbarch_alloc(): If zero/NULL is not a suitable default,
1336      initialize the new field.
1337
1338      verify_gdbarch(): Confirm that the target updated the field
1339      correctly.
1340
1341      gdbarch_dump(): Add a fprintf_unfiltered call so that the new
1342      field is dumped out
1343
1344      \`\`startup_gdbarch()'': Append an initial value to the static
1345      variable (base values on the host's c-type system).
1346
1347      get_gdbarch(): Implement the set/get functions (probably using
1348      the macro's as shortcuts).
1349
1350      */
1351
1352 EOF
1353 function_list | while do_read
1354 do
1355     if class_is_variable_p
1356     then
1357         printf "  ${returntype} ${function};\n"
1358     elif class_is_function_p
1359     then
1360         printf "  gdbarch_${function}_ftype *${function}${attrib};\n"
1361     fi
1362 done
1363 printf "};\n"
1364
1365 # A pre-initialized vector
1366 printf "\n"
1367 printf "\n"
1368 cat <<EOF
1369 /* The default architecture uses host values (for want of a better
1370    choice). */
1371 EOF
1372 printf "\n"
1373 printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
1374 printf "\n"
1375 printf "struct gdbarch startup_gdbarch =\n"
1376 printf "{\n"
1377 printf "  1, /* Always initialized.  */\n"
1378 printf "  NULL, /* The obstack.  */\n"
1379 printf "  /* basic architecture information */\n"
1380 function_list | while do_read
1381 do
1382     if class_is_info_p
1383     then
1384         printf "  ${staticdefault},  /* ${function} */\n"
1385     fi
1386 done
1387 cat <<EOF
1388   /* target specific vector and its dump routine */
1389   NULL, NULL,
1390   /*per-architecture data-pointers and swap regions */
1391   0, NULL, NULL,
1392   /* Multi-arch values */
1393 EOF
1394 function_list | while do_read
1395 do
1396     if class_is_function_p || class_is_variable_p
1397     then
1398         printf "  ${staticdefault},  /* ${function} */\n"
1399     fi
1400 done
1401 cat <<EOF
1402   /* startup_gdbarch() */
1403 };
1404
1405 struct gdbarch *current_gdbarch = &startup_gdbarch;
1406
1407 /* Do any initialization needed for a non-multiarch configuration
1408    after the _initialize_MODULE functions have been run.  */
1409 void
1410 initialize_non_multiarch (void)
1411 {
1412   alloc_gdbarch_data (&startup_gdbarch);
1413   /* Ensure that all swap areas are zeroed so that they again think
1414      they are starting from scratch.  */
1415   clear_gdbarch_swap (&startup_gdbarch);
1416   init_gdbarch_swap (&startup_gdbarch);
1417 }
1418 EOF
1419
1420 # Create a new gdbarch struct
1421 printf "\n"
1422 printf "\n"
1423 cat <<EOF
1424 /* Create a new \`\`struct gdbarch'' based on information provided by
1425    \`\`struct gdbarch_info''. */
1426 EOF
1427 printf "\n"
1428 cat <<EOF
1429 struct gdbarch *
1430 gdbarch_alloc (const struct gdbarch_info *info,
1431                struct gdbarch_tdep *tdep)
1432 {
1433   /* NOTE: The new architecture variable is named \`\`current_gdbarch''
1434      so that macros such as TARGET_DOUBLE_BIT, when expanded, refer to
1435      the current local architecture and not the previous global
1436      architecture.  This ensures that the new architectures initial
1437      values are not influenced by the previous architecture.  Once
1438      everything is parameterised with gdbarch, this will go away.  */
1439   struct gdbarch *current_gdbarch;
1440
1441   /* Create an obstack for allocating all the per-architecture memory,
1442      then use that to allocate the architecture vector.  */
1443   struct obstack *obstack = XMALLOC (struct obstack);
1444   obstack_init (obstack);
1445   current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
1446   memset (current_gdbarch, 0, sizeof (*current_gdbarch));
1447   current_gdbarch->obstack = obstack;
1448
1449   alloc_gdbarch_data (current_gdbarch);
1450
1451   current_gdbarch->tdep = tdep;
1452 EOF
1453 printf "\n"
1454 function_list | while do_read
1455 do
1456     if class_is_info_p
1457     then
1458         printf "  current_gdbarch->${function} = info->${function};\n"
1459     fi
1460 done
1461 printf "\n"
1462 printf "  /* Force the explicit initialization of these. */\n"
1463 function_list | while do_read
1464 do
1465     if class_is_function_p || class_is_variable_p
1466     then
1467         if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
1468         then
1469           printf "  current_gdbarch->${function} = ${predefault};\n"
1470         fi
1471     fi
1472 done
1473 cat <<EOF
1474   /* gdbarch_alloc() */
1475
1476   return current_gdbarch;
1477 }
1478 EOF
1479
1480 # Free a gdbarch struct.
1481 printf "\n"
1482 printf "\n"
1483 cat <<EOF
1484 /* Allocate extra space using the per-architecture obstack.  */
1485
1486 void *
1487 gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
1488 {
1489   void *data = obstack_alloc (arch->obstack, size);
1490   memset (data, 0, size);
1491   return data;
1492 }
1493
1494
1495 /* Free a gdbarch struct.  This should never happen in normal
1496    operation --- once you've created a gdbarch, you keep it around.
1497    However, if an architecture's init function encounters an error
1498    building the structure, it may need to clean up a partially
1499    constructed gdbarch.  */
1500
1501 void
1502 gdbarch_free (struct gdbarch *arch)
1503 {
1504   struct obstack *obstack;
1505   gdb_assert (arch != NULL);
1506   gdb_assert (!arch->initialized_p);
1507   obstack = arch->obstack;
1508   obstack_free (obstack, 0); /* Includes the ARCH.  */
1509   xfree (obstack);
1510 }
1511 EOF
1512
1513 # verify a new architecture
1514 printf "\n"
1515 printf "\n"
1516 printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
1517 printf "\n"
1518 cat <<EOF
1519 static void
1520 verify_gdbarch (struct gdbarch *gdbarch)
1521 {
1522   struct ui_file *log;
1523   struct cleanup *cleanups;
1524   long dummy;
1525   char *buf;
1526   log = mem_fileopen ();
1527   cleanups = make_cleanup_ui_file_delete (log);
1528   /* fundamental */
1529   if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
1530     fprintf_unfiltered (log, "\n\tbyte-order");
1531   if (gdbarch->bfd_arch_info == NULL)
1532     fprintf_unfiltered (log, "\n\tbfd_arch_info");
1533   /* Check those that need to be defined for the given multi-arch level. */
1534 EOF
1535 function_list | while do_read
1536 do
1537     if class_is_function_p || class_is_variable_p
1538     then
1539         if [ "x${invalid_p}" = "x0" ]
1540         then
1541             printf "  /* Skip verify of ${function}, invalid_p == 0 */\n"
1542         elif class_is_predicate_p
1543         then
1544             printf "  /* Skip verify of ${function}, has predicate */\n"
1545         # FIXME: See do_read for potential simplification
1546         elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
1547         then
1548             printf "  if (${invalid_p})\n"
1549             printf "    gdbarch->${function} = ${postdefault};\n"
1550         elif [ -n "${predefault}" -a -n "${postdefault}" ]
1551         then
1552             printf "  if (gdbarch->${function} == ${predefault})\n"
1553             printf "    gdbarch->${function} = ${postdefault};\n"
1554         elif [ -n "${postdefault}" ]
1555         then
1556             printf "  if (gdbarch->${function} == 0)\n"
1557             printf "    gdbarch->${function} = ${postdefault};\n"
1558         elif [ -n "${invalid_p}" ]
1559         then
1560             printf "  if ((GDB_MULTI_ARCH ${gt_level})\n"
1561             printf "      && (${invalid_p}))\n"
1562             printf "    fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1563         elif [ -n "${predefault}" ]
1564         then
1565             printf "  if ((GDB_MULTI_ARCH ${gt_level})\n"
1566             printf "      && (gdbarch->${function} == ${predefault}))\n"
1567             printf "    fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
1568         fi
1569     fi
1570 done
1571 cat <<EOF
1572   buf = ui_file_xstrdup (log, &dummy);
1573   make_cleanup (xfree, buf);
1574   if (strlen (buf) > 0)
1575     internal_error (__FILE__, __LINE__,
1576                     "verify_gdbarch: the following are invalid ...%s",
1577                     buf);
1578   do_cleanups (cleanups);
1579 }
1580 EOF
1581
1582 # dump the structure
1583 printf "\n"
1584 printf "\n"
1585 cat <<EOF
1586 /* Print out the details of the current architecture. */
1587
1588 /* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
1589    just happens to match the global variable \`\`current_gdbarch''.  That
1590    way macros refering to that variable get the local and not the global
1591    version - ulgh.  Once everything is parameterised with gdbarch, this
1592    will go away. */
1593
1594 void
1595 gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
1596 {
1597   fprintf_unfiltered (file,
1598                       "gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
1599                       GDB_MULTI_ARCH);
1600 EOF
1601 function_list | sort -t: -k 3 | while do_read
1602 do
1603     # First the predicate
1604     if class_is_predicate_p
1605     then
1606         if class_is_multiarch_p
1607         then
1608             printf "  fprintf_unfiltered (file,\n"
1609             printf "                      \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
1610             printf "                      gdbarch_${function}_p (current_gdbarch));\n"
1611         else
1612             printf "#ifdef ${macro}_P\n"
1613             printf "  fprintf_unfiltered (file,\n"
1614             printf "                      \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1615             printf "                      \"${macro}_P()\",\n"
1616             printf "                      XSTRING (${macro}_P ()));\n"
1617             printf "  fprintf_unfiltered (file,\n"
1618             printf "                      \"gdbarch_dump: ${macro}_P() = %%d\\\\n\",\n"
1619             printf "                      ${macro}_P ());\n"
1620             printf "#endif\n"
1621         fi
1622     fi
1623     # multiarch functions don't have macros.
1624     if class_is_multiarch_p
1625     then
1626         printf "  fprintf_unfiltered (file,\n"
1627         printf "                      \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
1628         printf "                      (long) current_gdbarch->${function});\n"
1629         continue
1630     fi
1631     # Print the macro definition.
1632     printf "#ifdef ${macro}\n"
1633     if class_is_function_p
1634     then
1635         printf "  fprintf_unfiltered (file,\n"
1636         printf "                      \"gdbarch_dump: %%s # %%s\\\\n\",\n"
1637         printf "                      \"${macro}(${actual})\",\n"
1638         printf "                      XSTRING (${macro} (${actual})));\n"
1639     else
1640         printf "  fprintf_unfiltered (file,\n"
1641         printf "                      \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
1642         printf "                      XSTRING (${macro}));\n"
1643     fi
1644     if [ "x${print_p}" = "x()" ]
1645     then
1646         printf "  gdbarch_dump_${function} (current_gdbarch);\n"
1647     elif [ "x${print_p}" = "x0" ]
1648     then
1649         printf "  /* skip print of ${macro}, print_p == 0. */\n"
1650     elif [ -n "${print_p}" ]
1651     then
1652         printf "  if (${print_p})\n"
1653         printf "    fprintf_unfiltered (file,\n"
1654         printf "                        \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1655         printf "                        ${print});\n"
1656     elif class_is_function_p
1657     then
1658         printf "  fprintf_unfiltered (file,\n"
1659         printf "                      \"gdbarch_dump: ${macro} = <0x%%08lx>\\\\n\",\n"
1660         printf "                      (long) current_gdbarch->${function}\n"
1661         printf "                      /*${macro} ()*/);\n"
1662     else
1663         printf "  fprintf_unfiltered (file,\n"
1664         printf "                      \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
1665         printf "                      ${print});\n"
1666     fi
1667     printf "#endif\n"
1668 done
1669 cat <<EOF
1670   if (current_gdbarch->dump_tdep != NULL)
1671     current_gdbarch->dump_tdep (current_gdbarch, file);
1672 }
1673 EOF
1674
1675
1676 # GET/SET
1677 printf "\n"
1678 cat <<EOF
1679 struct gdbarch_tdep *
1680 gdbarch_tdep (struct gdbarch *gdbarch)
1681 {
1682   if (gdbarch_debug >= 2)
1683     fprintf_unfiltered (gdb_stdlog, "gdbarch_tdep called\\n");
1684   return gdbarch->tdep;
1685 }
1686 EOF
1687 printf "\n"
1688 function_list | while do_read
1689 do
1690     if class_is_predicate_p
1691     then
1692         printf "\n"
1693         printf "int\n"
1694         printf "gdbarch_${function}_p (struct gdbarch *gdbarch)\n"
1695         printf "{\n"
1696         printf "  gdb_assert (gdbarch != NULL);\n"
1697         printf "  return ${predicate};\n"
1698         printf "}\n"
1699     fi
1700     if class_is_function_p
1701     then
1702         printf "\n"
1703         printf "${returntype}\n"
1704         if [ "x${formal}" = "xvoid" ]
1705         then
1706           printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1707         else
1708           printf "gdbarch_${function} (struct gdbarch *gdbarch, ${formal})\n"
1709         fi
1710         printf "{\n"
1711         printf "  gdb_assert (gdbarch != NULL);\n"
1712         printf "  gdb_assert (gdbarch->${function} != NULL);\n"
1713         if class_is_predicate_p && test -n "${predefault}"
1714         then
1715             # Allow a call to a function with a predicate.
1716             printf "  /* Do not check predicate: ${predicate}, allow call.  */\n"
1717         fi
1718         printf "  if (gdbarch_debug >= 2)\n"
1719         printf "    fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1720         if [ "x${actual}" = "x-" -o "x${actual}" = "x" ]
1721         then
1722             if class_is_multiarch_p
1723             then
1724                 params="gdbarch"
1725             else
1726                 params=""
1727             fi
1728         else
1729             if class_is_multiarch_p
1730             then
1731                 params="gdbarch, ${actual}"
1732             else
1733                 params="${actual}"
1734             fi
1735         fi
1736         if [ "x${returntype}" = "xvoid" ]
1737         then
1738           printf "  gdbarch->${function} (${params});\n"
1739         else
1740           printf "  return gdbarch->${function} (${params});\n"
1741         fi
1742         printf "}\n"
1743         printf "\n"
1744         printf "void\n"
1745         printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1746         printf "            `echo ${function} | sed -e 's/./ /g'`  gdbarch_${function}_ftype ${function})\n"
1747         printf "{\n"
1748         printf "  gdbarch->${function} = ${function};\n"
1749         printf "}\n"
1750     elif class_is_variable_p
1751     then
1752         printf "\n"
1753         printf "${returntype}\n"
1754         printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1755         printf "{\n"
1756         printf "  gdb_assert (gdbarch != NULL);\n"
1757         if [ "x${invalid_p}" = "x0" ]
1758         then
1759             printf "  /* Skip verify of ${function}, invalid_p == 0 */\n"
1760         elif [ -n "${invalid_p}" ]
1761         then
1762             printf "  /* Check variable is valid.  */\n"
1763             printf "  gdb_assert (!(${invalid_p}));\n"
1764         elif [ -n "${predefault}" ]
1765         then
1766             printf "  /* Check variable changed from pre-default.  */\n"
1767             printf "  gdb_assert (gdbarch->${function} != ${predefault});\n"
1768         fi
1769         printf "  if (gdbarch_debug >= 2)\n"
1770         printf "    fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1771         printf "  return gdbarch->${function};\n"
1772         printf "}\n"
1773         printf "\n"
1774         printf "void\n"
1775         printf "set_gdbarch_${function} (struct gdbarch *gdbarch,\n"
1776         printf "            `echo ${function} | sed -e 's/./ /g'`  ${returntype} ${function})\n"
1777         printf "{\n"
1778         printf "  gdbarch->${function} = ${function};\n"
1779         printf "}\n"
1780     elif class_is_info_p
1781     then
1782         printf "\n"
1783         printf "${returntype}\n"
1784         printf "gdbarch_${function} (struct gdbarch *gdbarch)\n"
1785         printf "{\n"
1786         printf "  gdb_assert (gdbarch != NULL);\n"
1787         printf "  if (gdbarch_debug >= 2)\n"
1788         printf "    fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
1789         printf "  return gdbarch->${function};\n"
1790         printf "}\n"
1791     fi
1792 done
1793
1794 # All the trailing guff
1795 cat <<EOF
1796
1797
1798 /* Keep a registry of per-architecture data-pointers required by GDB
1799    modules. */
1800
1801 struct gdbarch_data
1802 {
1803   unsigned index;
1804   int init_p;
1805   gdbarch_data_init_ftype *init;
1806 };
1807
1808 struct gdbarch_data_registration
1809 {
1810   struct gdbarch_data *data;
1811   struct gdbarch_data_registration *next;
1812 };
1813
1814 struct gdbarch_data_registry
1815 {
1816   unsigned nr;
1817   struct gdbarch_data_registration *registrations;
1818 };
1819
1820 struct gdbarch_data_registry gdbarch_data_registry =
1821 {
1822   0, NULL,
1823 };
1824
1825 struct gdbarch_data *
1826 register_gdbarch_data (gdbarch_data_init_ftype *init)
1827 {
1828   struct gdbarch_data_registration **curr;
1829   /* Append the new registraration.  */
1830   for (curr = &gdbarch_data_registry.registrations;
1831        (*curr) != NULL;
1832        curr = &(*curr)->next);
1833   (*curr) = XMALLOC (struct gdbarch_data_registration);
1834   (*curr)->next = NULL;
1835   (*curr)->data = XMALLOC (struct gdbarch_data);
1836   (*curr)->data->index = gdbarch_data_registry.nr++;
1837   (*curr)->data->init = init;
1838   (*curr)->data->init_p = 1;
1839   return (*curr)->data;
1840 }
1841
1842
1843 /* Create/delete the gdbarch data vector. */
1844
1845 static void
1846 alloc_gdbarch_data (struct gdbarch *gdbarch)
1847 {
1848   gdb_assert (gdbarch->data == NULL);
1849   gdbarch->nr_data = gdbarch_data_registry.nr;
1850   gdbarch->data = GDBARCH_OBSTACK_CALLOC (gdbarch, gdbarch->nr_data, void *);
1851 }
1852
1853 /* Initialize the current value of the specified per-architecture
1854    data-pointer. */
1855
1856 void
1857 set_gdbarch_data (struct gdbarch *gdbarch,
1858                   struct gdbarch_data *data,
1859                   void *pointer)
1860 {
1861   gdb_assert (data->index < gdbarch->nr_data);
1862   gdb_assert (gdbarch->data[data->index] == NULL);
1863   gdbarch->data[data->index] = pointer;
1864 }
1865
1866 /* Return the current value of the specified per-architecture
1867    data-pointer. */
1868
1869 void *
1870 gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
1871 {
1872   gdb_assert (data->index < gdbarch->nr_data);
1873   /* The data-pointer isn't initialized, call init() to get a value but
1874      only if the architecture initializaiton has completed.  Otherwise
1875      punt - hope that the caller knows what they are doing.  */
1876   if (gdbarch->data[data->index] == NULL
1877       && gdbarch->initialized_p)
1878     {
1879       /* Be careful to detect an initialization cycle.  */
1880       gdb_assert (data->init_p);
1881       data->init_p = 0;
1882       gdb_assert (data->init != NULL);
1883       gdbarch->data[data->index] = data->init (gdbarch);
1884       data->init_p = 1;
1885       gdb_assert (gdbarch->data[data->index] != NULL);
1886     }
1887   return gdbarch->data[data->index];
1888 }
1889
1890
1891
1892 /* Keep a registry of swapped data required by GDB modules. */
1893
1894 struct gdbarch_swap
1895 {
1896   void *swap;
1897   struct gdbarch_swap_registration *source;
1898   struct gdbarch_swap *next;
1899 };
1900
1901 struct gdbarch_swap_registration
1902 {
1903   void *data;
1904   unsigned long sizeof_data;
1905   gdbarch_swap_ftype *init;
1906   struct gdbarch_swap_registration *next;
1907 };
1908
1909 struct gdbarch_swap_registry
1910 {
1911   int nr;
1912   struct gdbarch_swap_registration *registrations;
1913 };
1914
1915 struct gdbarch_swap_registry gdbarch_swap_registry =
1916 {
1917   0, NULL,
1918 };
1919
1920 void
1921 register_gdbarch_swap (void *data,
1922                        unsigned long sizeof_data,
1923                        gdbarch_swap_ftype *init)
1924 {
1925   struct gdbarch_swap_registration **rego;
1926   for (rego = &gdbarch_swap_registry.registrations;
1927        (*rego) != NULL;
1928        rego = &(*rego)->next);
1929   (*rego) = XMALLOC (struct gdbarch_swap_registration);
1930   (*rego)->next = NULL;
1931   (*rego)->init = init;
1932   (*rego)->data = data;
1933   (*rego)->sizeof_data = sizeof_data;
1934 }
1935
1936 static void
1937 clear_gdbarch_swap (struct gdbarch *gdbarch)
1938 {
1939   struct gdbarch_swap *curr;
1940   for (curr = gdbarch->swap;
1941        curr != NULL;
1942        curr = curr->next)
1943     {
1944       memset (curr->source->data, 0, curr->source->sizeof_data);
1945     }
1946 }
1947
1948 static void
1949 init_gdbarch_swap (struct gdbarch *gdbarch)
1950 {
1951   struct gdbarch_swap_registration *rego;
1952   struct gdbarch_swap **curr = &gdbarch->swap;
1953   for (rego = gdbarch_swap_registry.registrations;
1954        rego != NULL;
1955        rego = rego->next)
1956     {
1957       if (rego->data != NULL)
1958         {
1959           (*curr) = GDBARCH_OBSTACK_ZALLOC (gdbarch, struct gdbarch_swap);
1960           (*curr)->source = rego;
1961           (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
1962           (*curr)->next = NULL;
1963           curr = &(*curr)->next;
1964         }
1965       if (rego->init != NULL)
1966         rego->init ();
1967     }
1968 }
1969
1970 static void
1971 swapout_gdbarch_swap (struct gdbarch *gdbarch)
1972 {
1973   struct gdbarch_swap *curr;
1974   for (curr = gdbarch->swap;
1975        curr != NULL;
1976        curr = curr->next)
1977     memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
1978 }
1979
1980 static void
1981 swapin_gdbarch_swap (struct gdbarch *gdbarch)
1982 {
1983   struct gdbarch_swap *curr;
1984   for (curr = gdbarch->swap;
1985        curr != NULL;
1986        curr = curr->next)
1987     memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
1988 }
1989
1990
1991 /* Keep a registry of the architectures known by GDB. */
1992
1993 struct gdbarch_registration
1994 {
1995   enum bfd_architecture bfd_architecture;
1996   gdbarch_init_ftype *init;
1997   gdbarch_dump_tdep_ftype *dump_tdep;
1998   struct gdbarch_list *arches;
1999   struct gdbarch_registration *next;
2000 };
2001
2002 static struct gdbarch_registration *gdbarch_registry = NULL;
2003
2004 static void
2005 append_name (const char ***buf, int *nr, const char *name)
2006 {
2007   *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
2008   (*buf)[*nr] = name;
2009   *nr += 1;
2010 }
2011
2012 const char **
2013 gdbarch_printable_names (void)
2014 {
2015   /* Accumulate a list of names based on the registed list of
2016      architectures. */
2017   enum bfd_architecture a;
2018   int nr_arches = 0;
2019   const char **arches = NULL;
2020   struct gdbarch_registration *rego;
2021   for (rego = gdbarch_registry;
2022        rego != NULL;
2023        rego = rego->next)
2024     {
2025       const struct bfd_arch_info *ap;
2026       ap = bfd_lookup_arch (rego->bfd_architecture, 0);
2027       if (ap == NULL)
2028         internal_error (__FILE__, __LINE__,
2029                         "gdbarch_architecture_names: multi-arch unknown");
2030       do
2031         {
2032           append_name (&arches, &nr_arches, ap->printable_name);
2033           ap = ap->next;
2034         }
2035       while (ap != NULL);
2036     }
2037   append_name (&arches, &nr_arches, NULL);
2038   return arches;
2039 }
2040
2041
2042 void
2043 gdbarch_register (enum bfd_architecture bfd_architecture,
2044                   gdbarch_init_ftype *init,
2045                   gdbarch_dump_tdep_ftype *dump_tdep)
2046 {
2047   struct gdbarch_registration **curr;
2048   const struct bfd_arch_info *bfd_arch_info;
2049   /* Check that BFD recognizes this architecture */
2050   bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
2051   if (bfd_arch_info == NULL)
2052     {
2053       internal_error (__FILE__, __LINE__,
2054                       "gdbarch: Attempt to register unknown architecture (%d)",
2055                       bfd_architecture);
2056     }
2057   /* Check that we haven't seen this architecture before */
2058   for (curr = &gdbarch_registry;
2059        (*curr) != NULL;
2060        curr = &(*curr)->next)
2061     {
2062       if (bfd_architecture == (*curr)->bfd_architecture)
2063         internal_error (__FILE__, __LINE__,
2064                         "gdbarch: Duplicate registraration of architecture (%s)",
2065                         bfd_arch_info->printable_name);
2066     }
2067   /* log it */
2068   if (gdbarch_debug)
2069     fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n",
2070                         bfd_arch_info->printable_name,
2071                         (long) init);
2072   /* Append it */
2073   (*curr) = XMALLOC (struct gdbarch_registration);
2074   (*curr)->bfd_architecture = bfd_architecture;
2075   (*curr)->init = init;
2076   (*curr)->dump_tdep = dump_tdep;
2077   (*curr)->arches = NULL;
2078   (*curr)->next = NULL;
2079 }
2080
2081 void
2082 register_gdbarch_init (enum bfd_architecture bfd_architecture,
2083                        gdbarch_init_ftype *init)
2084 {
2085   gdbarch_register (bfd_architecture, init, NULL);
2086 }
2087
2088
2089 /* Look for an architecture using gdbarch_info.  Base search on only
2090    BFD_ARCH_INFO and BYTE_ORDER. */
2091
2092 struct gdbarch_list *
2093 gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
2094                              const struct gdbarch_info *info)
2095 {
2096   for (; arches != NULL; arches = arches->next)
2097     {
2098       if (info->bfd_arch_info != arches->gdbarch->bfd_arch_info)
2099         continue;
2100       if (info->byte_order != arches->gdbarch->byte_order)
2101         continue;
2102       if (info->osabi != arches->gdbarch->osabi)
2103         continue;
2104       return arches;
2105     }
2106   return NULL;
2107 }
2108
2109
2110 /* Update the current architecture. Return ZERO if the update request
2111    failed. */
2112
2113 int
2114 gdbarch_update_p (struct gdbarch_info info)
2115 {
2116   struct gdbarch *new_gdbarch;
2117   struct gdbarch *old_gdbarch;
2118   struct gdbarch_registration *rego;
2119
2120   /* Fill in missing parts of the INFO struct using a number of
2121      sources: \`\`set ...''; INFOabfd supplied; existing target.  */
2122
2123   /* \`\`(gdb) set architecture ...'' */
2124   if (info.bfd_arch_info == NULL
2125       && !TARGET_ARCHITECTURE_AUTO)
2126     info.bfd_arch_info = TARGET_ARCHITECTURE;
2127   if (info.bfd_arch_info == NULL
2128       && info.abfd != NULL
2129       && bfd_get_arch (info.abfd) != bfd_arch_unknown
2130       && bfd_get_arch (info.abfd) != bfd_arch_obscure)
2131     info.bfd_arch_info = bfd_get_arch_info (info.abfd);
2132   if (info.bfd_arch_info == NULL)
2133     info.bfd_arch_info = TARGET_ARCHITECTURE;
2134
2135   /* \`\`(gdb) set byte-order ...'' */
2136   if (info.byte_order == BFD_ENDIAN_UNKNOWN
2137       && !TARGET_BYTE_ORDER_AUTO)
2138     info.byte_order = TARGET_BYTE_ORDER;
2139   /* From the INFO struct. */
2140   if (info.byte_order == BFD_ENDIAN_UNKNOWN
2141       && info.abfd != NULL)
2142     info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
2143                        : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
2144                        : BFD_ENDIAN_UNKNOWN);
2145   /* From the current target. */
2146   if (info.byte_order == BFD_ENDIAN_UNKNOWN)
2147     info.byte_order = TARGET_BYTE_ORDER;
2148
2149   /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi.  */
2150   if (info.osabi == GDB_OSABI_UNINITIALIZED)
2151     info.osabi = gdbarch_lookup_osabi (info.abfd);
2152   if (info.osabi == GDB_OSABI_UNINITIALIZED)
2153     info.osabi = current_gdbarch->osabi;
2154
2155   /* Must have found some sort of architecture. */
2156   gdb_assert (info.bfd_arch_info != NULL);
2157
2158   if (gdbarch_debug)
2159     {
2160       fprintf_unfiltered (gdb_stdlog,
2161                           "gdbarch_update: info.bfd_arch_info %s\n",
2162                           (info.bfd_arch_info != NULL
2163                            ? info.bfd_arch_info->printable_name
2164                            : "(null)"));
2165       fprintf_unfiltered (gdb_stdlog,
2166                           "gdbarch_update: info.byte_order %d (%s)\n",
2167                           info.byte_order,
2168                           (info.byte_order == BFD_ENDIAN_BIG ? "big"
2169                            : info.byte_order == BFD_ENDIAN_LITTLE ? "little"
2170                            : "default"));
2171       fprintf_unfiltered (gdb_stdlog,
2172                           "gdbarch_update: info.osabi %d (%s)\n",
2173                           info.osabi, gdbarch_osabi_name (info.osabi));
2174       fprintf_unfiltered (gdb_stdlog,
2175                           "gdbarch_update: info.abfd 0x%lx\n",
2176                           (long) info.abfd);
2177       fprintf_unfiltered (gdb_stdlog,
2178                           "gdbarch_update: info.tdep_info 0x%lx\n",
2179                           (long) info.tdep_info);
2180     }
2181
2182   /* Find the target that knows about this architecture. */
2183   for (rego = gdbarch_registry;
2184        rego != NULL;
2185        rego = rego->next)
2186     if (rego->bfd_architecture == info.bfd_arch_info->arch)
2187       break;
2188   if (rego == NULL)
2189     {
2190       if (gdbarch_debug)
2191         fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
2192       return 0;
2193     }
2194
2195   /* Swap the data belonging to the old target out setting the
2196      installed data to zero.  This stops the ->init() function trying
2197      to refer to the previous architecture's global data structures.  */
2198   swapout_gdbarch_swap (current_gdbarch);
2199   clear_gdbarch_swap (current_gdbarch);
2200
2201   /* Save the previously selected architecture, setting the global to
2202      NULL.  This stops ->init() trying to use the previous
2203      architecture's configuration.  The previous architecture may not
2204      even be of the same architecture family.  The most recent
2205      architecture of the same family is found at the head of the
2206      rego->arches list.  */
2207   old_gdbarch = current_gdbarch;
2208   current_gdbarch = NULL;
2209
2210   /* Ask the target for a replacement architecture. */
2211   new_gdbarch = rego->init (info, rego->arches);
2212
2213   /* Did the target like it?  No. Reject the change and revert to the
2214      old architecture.  */
2215   if (new_gdbarch == NULL)
2216     {
2217       if (gdbarch_debug)
2218         fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
2219       swapin_gdbarch_swap (old_gdbarch);
2220       current_gdbarch = old_gdbarch;
2221       return 0;
2222     }
2223
2224   /* Did the architecture change?  No.  Oops, put the old architecture
2225      back.  */
2226   if (old_gdbarch == new_gdbarch)
2227     {
2228       if (gdbarch_debug)
2229         fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
2230                             (long) new_gdbarch,
2231                             new_gdbarch->bfd_arch_info->printable_name);
2232       swapin_gdbarch_swap (old_gdbarch);
2233       current_gdbarch = old_gdbarch;
2234       return 1;
2235     }
2236
2237   /* Is this a pre-existing architecture?  Yes. Move it to the front
2238      of the list of architectures (keeping the list sorted Most
2239      Recently Used) and then copy it in.  */
2240   {
2241     struct gdbarch_list **list;
2242     for (list = &rego->arches;
2243          (*list) != NULL;
2244          list = &(*list)->next)
2245       {
2246         if ((*list)->gdbarch == new_gdbarch)
2247           {
2248             struct gdbarch_list *this;
2249             if (gdbarch_debug)
2250               fprintf_unfiltered (gdb_stdlog,
2251                                   "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
2252                                   (long) new_gdbarch,
2253                                   new_gdbarch->bfd_arch_info->printable_name);
2254             /* Unlink this.  */
2255             this = (*list);
2256             (*list) = this->next;
2257             /* Insert in the front.  */
2258             this->next = rego->arches;
2259             rego->arches = this;
2260             /* Copy the new architecture in.  */
2261             current_gdbarch = new_gdbarch;
2262             swapin_gdbarch_swap (new_gdbarch);
2263             architecture_changed_event ();
2264             return 1;
2265           }
2266       }
2267   }
2268
2269   /* Prepend this new architecture to the architecture list (keep the
2270      list sorted Most Recently Used).  */
2271   {
2272     struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
2273     this->next = rego->arches;
2274     this->gdbarch = new_gdbarch;
2275     rego->arches = this;
2276   }
2277
2278   /* Switch to this new architecture marking it initialized.  */
2279   current_gdbarch = new_gdbarch;
2280   current_gdbarch->initialized_p = 1;
2281   if (gdbarch_debug)
2282     {
2283       fprintf_unfiltered (gdb_stdlog,
2284                           "gdbarch_update: New architecture 0x%08lx (%s) selected\\n",
2285                           (long) new_gdbarch,
2286                           new_gdbarch->bfd_arch_info->printable_name);
2287     }
2288
2289   /* Check that the newly installed architecture is valid.  Plug in
2290      any post init values.  */
2291   new_gdbarch->dump_tdep = rego->dump_tdep;
2292   verify_gdbarch (new_gdbarch);
2293
2294   /* Initialize the per-architecture memory (swap) areas.
2295      CURRENT_GDBARCH must be update before these modules are
2296      called. */
2297   init_gdbarch_swap (new_gdbarch);
2298
2299   /* Initialize the per-architecture data.  CURRENT_GDBARCH
2300      must be updated before these modules are called. */
2301   architecture_changed_event ();
2302
2303   if (gdbarch_debug)
2304     gdbarch_dump (current_gdbarch, gdb_stdlog);
2305
2306   return 1;
2307 }
2308
2309
2310 extern void _initialize_gdbarch (void);
2311
2312 void
2313 _initialize_gdbarch (void)
2314 {
2315   struct cmd_list_element *c;
2316
2317   add_show_from_set (add_set_cmd ("arch",
2318                                   class_maintenance,
2319                                   var_zinteger,
2320                                   (char *)&gdbarch_debug,
2321                                   "Set architecture debugging.\\n\\
2322 When non-zero, architecture debugging is enabled.", &setdebuglist),
2323                      &showdebuglist);
2324   c = add_set_cmd ("archdebug",
2325                    class_maintenance,
2326                    var_zinteger,
2327                    (char *)&gdbarch_debug,
2328                    "Set architecture debugging.\\n\\
2329 When non-zero, architecture debugging is enabled.", &setlist);
2330
2331   deprecate_cmd (c, "set debug arch");
2332   deprecate_cmd (add_show_from_set (c, &showlist), "show debug arch");
2333 }
2334 EOF
2335
2336 # close things off
2337 exec 1>&2
2338 #../move-if-change new-gdbarch.c gdbarch.c
2339 compare_new gdbarch.c