gdb/gdbtypes.h

   1 /* Internal type definitions for GDB.
   2    Copyright (C) 1992, 1993, 1994, 1996, 1998, 1999
   3    Free Software Foundation, Inc.
   4    Contributed by Cygnus Support, using pieces from other GDB modules.
   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 #if !defined (GDBTYPES_H)
  23 #define GDBTYPES_H 1
  24
  25 /* Codes for `fundamental types'.  This is a monstrosity based on the
  26    bogus notion that there are certain compiler-independent
  27    `fundamental types'.  None of these is well-defined (how big is
  28    FT_SHORT?  Does it depend on the language?  How does the
  29    language-specific code know which type to correlate to FT_SHORT?)  */
  30
  31 #define FT_VOID                 0
  32 #define FT_BOOLEAN              1
  33 #define FT_CHAR                 2 /* we use this for not-unsigned C/C++ chars */
  34 #define FT_SIGNED_CHAR          3 /* we use this for C++ signed chars */
  35 #define FT_UNSIGNED_CHAR        4 /* we use this for C/C++ unsigned chars */
  36 #define FT_SHORT                5
  37 #define FT_SIGNED_SHORT         6
  38 #define FT_UNSIGNED_SHORT       7
  39 #define FT_INTEGER              8
  40 #define FT_SIGNED_INTEGER       9
  41 #define FT_UNSIGNED_INTEGER     10
  42 #define FT_LONG                 11
  43 #define FT_SIGNED_LONG          12
  44 #define FT_UNSIGNED_LONG        13
  45 #define FT_LONG_LONG            14
  46 #define FT_SIGNED_LONG_LONG     15
  47 #define FT_UNSIGNED_LONG_LONG   16
  48 #define FT_FLOAT                17
  49 #define FT_DBL_PREC_FLOAT       18
  50 #define FT_EXT_PREC_FLOAT       19
  51 #define FT_COMPLEX              20
  52 #define FT_DBL_PREC_COMPLEX     21
  53 #define FT_EXT_PREC_COMPLEX     22
  54 #define FT_STRING               23
  55 #define FT_FIXED_DECIMAL        24
  56 #define FT_FLOAT_DECIMAL        25
  57 #define FT_BYTE                 26
  58 #define FT_UNSIGNED_BYTE        27
  59 #define FT_TEMPLATE_ARG         28
  60
  61 #define FT_NUM_MEMBERS          29      /* Highest FT_* above, plus one. */
  62
  63 /* Some macros for char-based bitfields.  */
  64
  65 #define B_SET(a,x)      ((a)[(x)>>3] |= (1 << ((x)&7)))
  66 #define B_CLR(a,x)      ((a)[(x)>>3] &= ~(1 << ((x)&7)))
  67 #define B_TST(a,x)      ((a)[(x)>>3] & (1 << ((x)&7)))
  68 #define B_TYPE          unsigned char
  69 #define B_BYTES(x)      ( 1 + ((x)>>3) )
  70 #define B_CLRALL(a,x)   memset ((a), 0, B_BYTES(x))
  71
  72 /* Different kinds of data types are distinguished by the `code' field.  */
  73
  74 enum type_code
  75 {
  76   TYPE_CODE_UNDEF,              /* Not used; catches errors */
  77   TYPE_CODE_PTR,                /* Pointer type */
  78   TYPE_CODE_ARRAY,              /* Array type with lower & upper bounds. */
  79   TYPE_CODE_STRUCT,             /* C struct or Pascal record */
  80   TYPE_CODE_UNION,              /* C union or Pascal variant part */
  81   TYPE_CODE_ENUM,               /* Enumeration type */
  82   TYPE_CODE_FUNC,               /* Function type */
  83   TYPE_CODE_INT,                /* Integer type */
  84
  85   /* Floating type.  This is *NOT* a complex type.  Beware, there are parts
  86      of GDB which bogusly assume that TYPE_CODE_FLT can mean complex.  */
  87   TYPE_CODE_FLT,
  88
  89   /* Void type.  The length field specifies the length (probably always
  90      one) which is used in pointer arithmetic involving pointers to
  91      this type, but actually dereferencing such a pointer is invalid;
  92      a void type has no length and no actual representation in memory
  93      or registers.  A pointer to a void type is a generic pointer.  */
  94   TYPE_CODE_VOID,
  95
  96   TYPE_CODE_SET,                /* Pascal sets */
  97   TYPE_CODE_RANGE,              /* Range (integers within spec'd bounds) */
  98
  99   /* A string type which is like an array of character but prints
 100      differently (at least for CHILL).  It does not contain a length
 101      field as Pascal strings (for many Pascals, anyway) do; if we want
 102      to deal with such strings, we should use a new type code.  */
 103   TYPE_CODE_STRING,
 104
 105   /* String of bits; like TYPE_CODE_SET but prints differently (at least
 106      for CHILL).  */
 107   TYPE_CODE_BITSTRING,
 108
 109   /* Unknown type.  The length field is valid if we were able to
 110      deduce that much about the type, or 0 if we don't even know that.  */
 111   TYPE_CODE_ERROR,
 112
 113   /* C++ */
 114   TYPE_CODE_MEMBER,             /* Member type */
 115   TYPE_CODE_METHOD,             /* Method type */
 116   TYPE_CODE_REF,                /* C++ Reference types */
 117
 118   TYPE_CODE_CHAR,               /* *real* character type */
 119
 120   /* Boolean type.  0 is false, 1 is true, and other values are non-boolean
 121      (e.g. FORTRAN "logical" used as unsigned int).  */
 122   TYPE_CODE_BOOL,
 123
 124   /* Fortran */
 125   TYPE_CODE_COMPLEX,            /* Complex float */
 126
 127   TYPE_CODE_TYPEDEF,
 128   TYPE_CODE_TEMPLATE,           /* C++ template */
 129   TYPE_CODE_TEMPLATE_ARG        /* C++ template arg */
 130
 131 };
 132
 133 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
 134    alias for TYPE_CODE_STRUCT.  This is for DWARF, which has a distinct
 135    "class" attribute.  Perhaps we should actually have a separate TYPE_CODE
 136    so that we can print "class" or "struct" depending on what the debug
 137    info said.  It's not clear we should bother.  */
 138
 139 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
 140
 141 /* Some bits for the type's flags word. */
 142
 143 /* Unsigned integer type.  If this is not set for a TYPE_CODE_INT, the
 144    type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
 145
 146 #define TYPE_FLAG_UNSIGNED      (1 << 0)
 147
 148 /* No sign for this type.  In C++, "char", "signed char", and "unsigned
 149    char" are distinct types; so we need an extra flag to indicate the
 150    absence ofa sign! */
 151
 152 #define TYPE_FLAG_NOSIGN        (1 << 1)
 153
 154 /* This appears in a type's flags word if it is a stub type (e.g., if
 155    someone referenced a type that wasn't defined in a source file
 156    via (struct sir_not_appearing_in_this_film *)).  */
 157
 158 #define TYPE_FLAG_STUB          (1 << 2)
 159
 160 /* The target type of this type is a stub type, and this type needs to
 161    be updated if it gets un-stubbed in check_typedef.
 162    Used for arrays and ranges, in which TYPE_LENGTH of the array/range
 163    gets set based on the TYPE_LENGTH of the target type.
 164    Also, set for TYPE_CODE_TYPEDEF. */
 165
 166 #define TYPE_FLAG_TARGET_STUB (1 << 3)
 167
 168 /* Static type.  If this is set, the corresponding type had
 169  * a static modifier.
 170  * Note: This may be unnecessary, since static data members
 171  * are indicated by other means (bitpos == -1)
 172  */
 173
 174 #define TYPE_FLAG_STATIC (1 << 4)
 175
 176 /* Constant type.  If this is set, the corresponding type has a
 177  * const modifier.
 178  */
 179
 180 #define TYPE_FLAG_CONST (1 << 5)
 181
 182 /* Volatile type.  If this is set, the corresponding type has a
 183  * volatile modifier.
 184  */
 185
 186 #define TYPE_FLAG_VOLATILE (1 << 6)
 187
 188
 189 /* This is a function type which appears to have a prototype.  We need this
 190    for function calls in order to tell us if it's necessary to coerce the args,
 191    or to just do the standard conversions.  This is used with a short field. */
 192
 193 #define TYPE_FLAG_PROTOTYPED (1 << 7)
 194
 195 /* This flag is used to indicate that processing for this type
 196    is incomplete.
 197
 198    (Mostly intended for HP platforms, where class methods, for
 199    instance, can be encountered before their classes in the debug
 200    info; the incomplete type has to be marked so that the class and
 201    the method can be assigned correct types.) */
 202
 203 #define TYPE_FLAG_INCOMPLETE (1 << 8)
 204
 205
 206 struct type
 207 {
 208
 209   /* Code for kind of type */
 210
 211   enum type_code code;
 212
 213   /* Name of this type, or NULL if none.
 214
 215      This is used for printing only, except by poorly designed C++ code.
 216      For looking up a name, look for a symbol in the VAR_NAMESPACE.  */
 217
 218   char *name;
 219
 220   /* Tag name for this type, or NULL if none.  This means that the
 221      name of the type consists of a keyword followed by the tag name.
 222      Which keyword is determined by the type code ("struct" for
 223      TYPE_CODE_STRUCT, etc.).  As far as I know C/C++ are the only languages
 224      with this feature.
 225
 226      This is used for printing only, except by poorly designed C++ code.
 227      For looking up a name, look for a symbol in the STRUCT_NAMESPACE.
 228      One more legitimate use is that if TYPE_FLAG_STUB is set, this is
 229      the name to use to look for definitions in other files.  */
 230
 231   char *tag_name;
 232
 233   /* Length of storage for a value of this type.  Various places pass
 234      this to memcpy and such, meaning it must be in units of
 235      HOST_CHAR_BIT.  Various other places expect they can calculate
 236      addresses by adding it and such, meaning it must be in units of
 237      TARGET_CHAR_BIT.  For some DSP targets, in which HOST_CHAR_BIT
 238      will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this
 239      is a problem.  One fix would be to make this field in bits
 240      (requiring that it always be a multiple of HOST_CHAR_BIT and
 241      TARGET_CHAR_BIT)--the other choice would be to make it
 242      consistently in units of HOST_CHAR_BIT.  */
 243
 244   unsigned length;
 245
 246   /* FIXME, these should probably be restricted to a Fortran-specific
 247      field in some fashion.  */
 248 #define BOUND_CANNOT_BE_DETERMINED   5
 249 #define BOUND_BY_REF_ON_STACK        4
 250 #define BOUND_BY_VALUE_ON_STACK      3
 251 #define BOUND_BY_REF_IN_REG          2
 252 #define BOUND_BY_VALUE_IN_REG        1
 253 #define BOUND_SIMPLE                 0
 254   int upper_bound_type;
 255   int lower_bound_type;
 256
 257   /* Every type is now associated with a particular objfile, and the
 258      type is allocated on the type_obstack for that objfile.  One problem
 259      however, is that there are times when gdb allocates new types while
 260      it is not in the process of reading symbols from a particular objfile.
 261      Fortunately, these happen when the type being created is a derived
 262      type of an existing type, such as in lookup_pointer_type().  So
 263      we can just allocate the new type using the same objfile as the
 264      existing type, but to do this we need a backpointer to the objfile
 265      from the existing type.  Yes this is somewhat ugly, but without
 266      major overhaul of the internal type system, it can't be avoided
 267      for now. */
 268
 269   struct objfile *objfile;
 270
 271   /* For a pointer type, describes the type of object pointed to.
 272      For an array type, describes the type of the elements.
 273      For a function or method type, describes the type of the return value.
 274      For a range type, describes the type of the full range.
 275      For a complex type, describes the type of each coordinate.
 276      Unused otherwise.  */
 277
 278   struct type *target_type;
 279
 280   /* Type that is a pointer to this type.
 281      NULL if no such pointer-to type is known yet.
 282      The debugger may add the address of such a type
 283      if it has to construct one later.  */
 284
 285   struct type *pointer_type;
 286
 287   /* C++: also need a reference type.  */
 288
 289   struct type *reference_type;
 290
 291   /* C-v variant chain. This points to a type that
 292      differs from this one only in a const or volatile
 293      attribute (or both). The various c-v variants
 294      are chained together in a ring. */
 295   struct type *cv_type;
 296
 297   /* Flags about this type.  */
 298
 299   int flags;
 300
 301   /* Number of fields described for this type */
 302
 303   short nfields;
 304
 305   /* For structure and union types, a description of each field.
 306      For set and pascal array types, there is one "field",
 307      whose type is the domain type of the set or array.
 308      For range types, there are two "fields",
 309      the minimum and maximum values (both inclusive).
 310      For enum types, each possible value is described by one "field".
 311      For a function type, a "field" for each parameter type.
 312      For C++ classes, there is one field for each base class (if it is
 313      a derived class) plus one field for each class data member.  Member
 314      functions are recorded elsewhere.
 315
 316      Using a pointer to a separate array of fields
 317      allows all types to have the same size, which is useful
 318      because we can allocate the space for a type before
 319      we know what to put in it.  */
 320
 321   struct field
 322     {
 323
 324
 325
 326       union field_location
 327         {
 328           /* Position of this field, counting in bits from start of
 329              containing structure.
 330              For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
 331              For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
 332              For a function type, this is the position in the argument list
 333              of this argument.
 334              For a range bound or enum value, this is the value itself. */
 335
 336           int bitpos;
 337
 338           /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
 339              is the location (in the target) of the static field.
 340              Otherwise, physname is the mangled label of the static field. */
 341
 342           CORE_ADDR physaddr;
 343           char* physname;
 344       } loc;
 345
 346       /* Size of this field, in bits, or zero if not packed.
 347          For an unpacked field, the field's type's length
 348          says how many bytes the field occupies.
 349          A value of -1 or -2 indicates a static field;  -1 means the location
 350          is specified by the label loc.physname;  -2 means that loc.physaddr
 351          specifies the actual address. */
 352
 353       int bitsize;
 354
 355       /* In a struct or union type, type of this field.
 356          In a function type, type of this argument.
 357          In an array type, the domain-type of the array.  */
 358
 359       struct type *type;
 360
 361       /* Name of field, value or argument.
 362          NULL for range bounds and array domains.  */
 363
 364       char *name;
 365
 366     } *fields;
 367
 368   /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
 369      is the base class which defined the virtual function table pointer.
 370
 371      For types that are pointer to member types (TYPE_CODE_MEMBER),
 372      VPTR_BASETYPE is the type that this pointer is a member of.
 373
 374      For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
 375      type that contains the method.
 376
 377      Unused otherwise.  */
 378
 379   struct type *vptr_basetype;
 380
 381   /* Field number of the virtual function table pointer in
 382      VPTR_BASETYPE.  If -1, we were unable to find the virtual
 383      function table pointer in initial symbol reading, and
 384      fill_in_vptr_fieldno should be called to find it if possible.
 385
 386      Unused if this type does not have virtual functions.  */
 387
 388   int vptr_fieldno;
 389
 390   /* Slot to point to additional language-specific fields of this type.  */
 391
 392   union type_specific
 393     {
 394
 395       /* ARG_TYPES is for TYPE_CODE_METHOD.
 396          Contains the type of each argument, ending with a void type
 397          after the last argument for normal member functions or a NULL
 398          pointer after the last argument for functions with variable
 399          arguments.  */
 400
 401       struct type **arg_types;
 402
 403       /* CPLUS_STUFF is for TYPE_CODE_STRUCT.  It is initialized to point to
 404          cplus_struct_default, a default static instance of a struct
 405          cplus_struct_type. */
 406
 407       struct cplus_struct_type *cplus_stuff;
 408
 409     } type_specific;
 410 };
 411
 412 #define NULL_TYPE ((struct type *) 0)
 413
 414 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
 415    nodes.  */
 416
 417 struct cplus_struct_type
 418 {
 419   /* Number of base classes this type derives from.  The baseclasses are
 420      stored in the first N_BASECLASSES fields (i.e. the `fields' field of
 421      the struct type).  I think only the `type' field of such a field has
 422      any meaning.  */
 423
 424   short n_baseclasses;
 425
 426   /* Number of methods with unique names.  All overloaded methods with
 427      the same name count only once. */
 428
 429   short nfn_fields;
 430
 431   /* Number of methods described for this type, not including the
 432      methods that it derives from.  */
 433
 434   short nfn_fields_total;
 435
 436   /* The "declared_type" field contains a code saying how the
 437      user really declared this type, e.g., "class s", "union s",
 438      "struct s".
 439      The 3 above things come out from the C++ compiler looking like classes,
 440      but we keep track of the real declaration so we can give
 441      the correct information on "ptype". (Note: TEMPLATE may not
 442      belong in this list...)  */
 443
 444 #define DECLARED_TYPE_CLASS 0
 445 #define DECLARED_TYPE_UNION 1
 446 #define DECLARED_TYPE_STRUCT 2
 447 #define DECLARED_TYPE_TEMPLATE 3
 448   short declared_type; /* One of the above codes */
 449
 450   /* For derived classes, the number of base classes is given by n_baseclasses
 451      and virtual_field_bits is a bit vector containing one bit per base class.
 452      If the base class is virtual, the corresponding bit will be set.
 453      I.E, given:
 454
 455         class A{};
 456         class B{};
 457         class C : public B, public virtual A {};
 458
 459      B is a baseclass of C; A is a virtual baseclass for C.
 460      This is a C++ 2.0 language feature. */
 461
 462   B_TYPE *virtual_field_bits;
 463
 464   /* For classes with private fields, the number of fields is given by
 465      nfields and private_field_bits is a bit vector containing one bit
 466      per field.
 467      If the field is private, the corresponding bit will be set. */
 468
 469   B_TYPE *private_field_bits;
 470
 471   /* For classes with protected fields, the number of fields is given by
 472      nfields and protected_field_bits is a bit vector containing one bit
 473      per field.
 474      If the field is private, the corresponding bit will be set. */
 475
 476   B_TYPE *protected_field_bits;
 477
 478   /* for classes with fields to be ignored, either this is optimized out
 479      or this field has length 0 */
 480
 481   B_TYPE *ignore_field_bits;
 482
 483   /* For classes, structures, and unions, a description of each field,
 484      which consists of an overloaded name, followed by the types of
 485      arguments that the method expects, and then the name after it
 486      has been renamed to make it distinct.
 487
 488      fn_fieldlists points to an array of nfn_fields of these. */
 489
 490   struct fn_fieldlist
 491     {
 492
 493       /* The overloaded name.  */
 494
 495       char *name;
 496
 497       /* The number of methods with this name.  */
 498
 499       int length;
 500
 501       /* The list of methods.  */
 502
 503       struct fn_field
 504         {
 505
 506           /* If is_stub is clear, this is the mangled name which we can
 507              look up to find the address of the method (FIXME: it would
 508              be cleaner to have a pointer to the struct symbol here
 509              instead).  */
 510
 511           /* If is_stub is set, this is the portion of the mangled
 512              name which specifies the arguments.  For example, "ii",
 513              if there are two int arguments, or "" if there are no
 514              arguments.  See gdb_mangle_name for the conversion from this
 515              format to the one used if is_stub is clear.  */
 516
 517           char *physname;
 518
 519           /* The function type for the method.
 520              (This comment used to say "The return value of the method",
 521              but that's wrong. The function type
 522              is expected here, i.e. something with TYPE_CODE_FUNC,
 523              and *not* the return-value type). */
 524
 525           struct type *type;
 526
 527           /* The argument list.  Only valid if is_stub is clear.  Contains
 528              the type of each argument, including `this', and ending with
 529              a NULL pointer after the last argument.  Should not contain
 530              a `this' pointer for static member functions.  */
 531
 532           struct type **args;
 533
 534           /* For virtual functions.
 535              First baseclass that defines this virtual function.   */
 536
 537           struct type *fcontext;
 538
 539           /* Attributes. */
 540
 541           unsigned int is_const : 1;
 542           unsigned int is_volatile : 1;
 543           unsigned int is_private : 1;
 544           unsigned int is_protected : 1;
 545           unsigned int is_public : 1;
 546           unsigned int is_abstract : 1;
 547           unsigned int is_static : 1;
 548           unsigned int is_final : 1;
 549           unsigned int is_synchronized : 1;
 550           unsigned int is_native : 1;
 551
 552           /* A stub method only has some fields valid (but they are enough
 553              to reconstruct the rest of the fields).  */
 554           unsigned int is_stub : 1;
 555
 556           /* C++ method that is inlined */
 557           unsigned int is_inlined : 1;
 558
 559           /* Unused.  */
 560           unsigned int dummy : 4;
 561
 562           /* Index into that baseclass's virtual function table,
 563              minus 2; else if static: VOFFSET_STATIC; else: 0.  */
 564
 565           unsigned int voffset : 16;
 566
 567 #         define VOFFSET_STATIC 1
 568
 569         } *fn_fields;
 570
 571     } *fn_fieldlists;
 572
 573     /* If this "struct type" describes a template, then it
 574      * has arguments. "template_args" points to an array of
 575      * template arg descriptors, of length "ntemplate_args".
 576      * The only real information in each of these template arg descriptors
 577      * is a name. "type" will typically just point to a "struct type" with
 578      * the placeholder TYPE_CODE_TEMPLATE_ARG type.
 579      */
 580     short ntemplate_args;
 581     struct template_arg
 582     {
 583       char *name;
 584       struct type *type;
 585     } *template_args;
 586
 587     /* If this "struct type" describes a template, it has a list
 588      * of instantiations. "instantiations" is a pointer to an array
 589      * of type's, one representing each instantiation. There
 590      * are "ninstantiations" elements in this array.
 591      */
 592     short ninstantiations;
 593     struct type **instantiations;
 594
 595     /* The following points to information relevant to the runtime model
 596      * of the compiler.
 597      * Currently being used only for HP's ANSI C++ compiler.
 598      * (This type may have to be changed/enhanced for other compilers.)
 599      *
 600      * RUNTIME_PTR is NULL if there is no runtime information (currently
 601      * this means the type was not compiled by HP aCC).
 602      *
 603      * Fields in structure pointed to:
 604      * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
 605      *
 606      * ->PRIMARY_BASE points to the first non-virtual base class that has
 607      * a virtual table.
 608      *
 609      * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
 610      * point to the type information for all virtual bases among this type's
 611      * ancestors.
 612      */
 613     struct runtime_info {
 614       short has_vtable;
 615       struct type * primary_base;
 616       struct type ** virtual_base_list;
 617     } * runtime_ptr;
 618
 619     /* Pointer to information about enclosing scope, if this is a
 620      * local type.  If it is not a local type, this is NULL
 621      */
 622     struct local_type_info {
 623       char * file;
 624       int line;
 625     } * localtype_ptr;
 626 };
 627
 628 /* Struct used in computing virtual base list */
 629 struct vbase
 630 {
 631     struct type * vbasetype;  /* pointer to virtual base */
 632     struct vbase * next;      /* next in chain */
 633 };
 634
 635 /* Struct used for ranking a function for overload resolution */
 636 struct badness_vector {
 637   int length;
 638   int * rank;
 639 };
 640
 641 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
 642    this shared static structure. */
 643
 644 extern const struct cplus_struct_type cplus_struct_default;
 645
 646 extern void
 647 allocate_cplus_struct_type PARAMS ((struct type *));
 648
 649 #define INIT_CPLUS_SPECIFIC(type) \
 650   (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
 651 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
 652 #define HAVE_CPLUS_STRUCT(type) \
 653   (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
 654
 655 #define TYPE_NAME(thistype) (thistype)->name
 656 #define TYPE_TAG_NAME(type) ((type)->tag_name)
 657 #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
 658 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
 659 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
 660 #define TYPE_CV_TYPE(thistype) (thistype)->cv_type
 661 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
 662    But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
 663    so you only have to call check_typedef once.  Since allocate_value
 664    calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe.  */
 665 #define TYPE_LENGTH(thistype) (thistype)->length
 666 #define TYPE_OBJFILE(thistype) (thistype)->objfile
 667 #define TYPE_FLAGS(thistype) (thistype)->flags
 668 #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
 669 #define TYPE_NOSIGN(thistype) ((thistype)->flags & TYPE_FLAG_NOSIGN)
 670 #define TYPE_CONST(thistype) ((thistype)->flags & TYPE_FLAG_CONST)
 671 #define TYPE_VOLATILE(thistype) ((thistype)->flags & TYPE_FLAG_VOLATILE)
 672 #define TYPE_INCOMPLETE(thistype) ((thistype)->flags & TYPE_FLAG_INCOMPLETE)
 673 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real
 674    type, you need to do TYPE_CODE (check_type (this_type)). */
 675 #define TYPE_CODE(thistype) (thistype)->code
 676 #define TYPE_NFIELDS(thistype) (thistype)->nfields
 677 #define TYPE_FIELDS(thistype) (thistype)->fields
 678 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
 679 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
 680
 681 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
 682 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
 683 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
 684
 685 /* Moto-specific stuff for FORTRAN arrays */
 686
 687 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type
 688 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type
 689
 690 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
 691    (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
 692
 693 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
 694    (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
 695
 696 /* C++ */
 697
 698 #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
 699 #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
 700 #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
 701 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
 702 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
 703 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
 704 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
 705 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
 706 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
 707 #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
 708 #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
 709 #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
 710 #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
 711 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
 712 #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
 713 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
 714 #define BASETYPE_VIA_PUBLIC(thistype, index) \
 715   ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
 716
 717 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
 718   (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
 719     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
 720
 721 #define FIELD_TYPE(thisfld) ((thisfld).type)
 722 #define FIELD_NAME(thisfld) ((thisfld).name)
 723 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
 724 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
 725 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
 726 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
 727 #define SET_FIELD_PHYSNAME(thisfld, name) \
 728   ((thisfld).bitsize = -1, FIELD_PHYSNAME(thisfld) = (name))
 729 #define SET_FIELD_PHYSADDR(thisfld, name) \
 730   ((thisfld).bitsize = -2, FIELD_PHYSADDR(thisfld) = (name))
 731 #define TYPE_FIELD(thistype, n) (thistype)->fields[n]
 732 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
 733 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
 734 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
 735 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
 736 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
 737 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
 738 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
 739
 740 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
 741   TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
 742 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
 743   TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
 744 #define TYPE_FIELD_IGNORE_BITS(thistype) \
 745   TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
 746 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
 747   TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
 748 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
 749   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
 750 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
 751   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
 752 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
 753   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
 754 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
 755   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
 756 #define TYPE_FIELD_PRIVATE(thistype, n) \
 757   (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
 758     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
 759 #define TYPE_FIELD_PROTECTED(thistype, n) \
 760   (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
 761     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
 762 #define TYPE_FIELD_IGNORE(thistype, n) \
 763   (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
 764     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
 765 #define TYPE_FIELD_VIRTUAL(thistype, n) \
 766   (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
 767     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
 768
 769 #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitsize < 0)
 770 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) ((thistype)->fields[n].bitsize == -2)
 771 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
 772 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
 773
 774 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
 775 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
 776 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
 777 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
 778 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
 779
 780 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
 781 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
 782 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
 783 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
 784 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
 785 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
 786 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
 787 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
 788 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
 789 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
 790 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
 791 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
 792 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
 793 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
 794 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
 795 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
 796 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
 797 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
 798 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
 799 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
 800
 801 #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
 802 #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
 803 #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
 804 #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
 805 #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
 806
 807 #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
 808 #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
 809 #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
 810
 811 #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) ||        \
 812                                    (TYPE_CODE (thistype) == TYPE_CODE_UNION))        && \
 813                                   (TYPE_NFIELDS (thistype) == 0)                     && \
 814                                   (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
 815
 816
 817
 818 /* Implicit sizes */
 819 extern struct type *builtin_type_void;
 820 extern struct type *builtin_type_char;
 821 extern struct type *builtin_type_short;
 822 extern struct type *builtin_type_int;
 823 extern struct type *builtin_type_long;
 824 extern struct type *builtin_type_signed_char;
 825 extern struct type *builtin_type_unsigned_char;
 826 extern struct type *builtin_type_unsigned_short;
 827 extern struct type *builtin_type_unsigned_int;
 828 extern struct type *builtin_type_unsigned_long;
 829 extern struct type *builtin_type_float;
 830 extern struct type *builtin_type_double;
 831 extern struct type *builtin_type_long_double;
 832 extern struct type *builtin_type_complex;
 833 extern struct type *builtin_type_double_complex;
 834 extern struct type *builtin_type_string;
 835 extern struct type *builtin_type_bool;
 836
 837 /* Explicit sizes - see <intypes.h> for naming schema */
 838 extern struct type *builtin_type_int8;
 839 extern struct type *builtin_type_uint8;
 840 extern struct type *builtin_type_int16;
 841 extern struct type *builtin_type_uint16;
 842 extern struct type *builtin_type_int32;
 843 extern struct type *builtin_type_uint32;
 844 extern struct type *builtin_type_int64;
 845 extern struct type *builtin_type_uint64;
 846
 847 /* This type represents a type that was unrecognized in symbol
 848    read-in.  */
 849
 850 extern struct type *builtin_type_error;
 851
 852 extern struct type *builtin_type_long_long;
 853 extern struct type *builtin_type_unsigned_long_long;
 854
 855 /* Modula-2 types */
 856
 857 extern struct type *builtin_type_m2_char;
 858 extern struct type *builtin_type_m2_int;
 859 extern struct type *builtin_type_m2_card;
 860 extern struct type *builtin_type_m2_real;
 861 extern struct type *builtin_type_m2_bool;
 862
 863 /* Chill types */
 864
 865 extern struct type *builtin_type_chill_bool;
 866 extern struct type *builtin_type_chill_char;
 867 extern struct type *builtin_type_chill_long;
 868 extern struct type *builtin_type_chill_ulong;
 869 extern struct type *builtin_type_chill_real;
 870
 871 /* Fortran (F77) types */
 872
 873 extern struct type *builtin_type_f_character;
 874 extern struct type *builtin_type_f_integer;
 875 extern struct type *builtin_type_f_logical;
 876 extern struct type *builtin_type_f_logical_s1;
 877 extern struct type *builtin_type_f_logical_s2;
 878 extern struct type *builtin_type_f_integer;
 879 extern struct type *builtin_type_f_integer_s2;
 880 extern struct type *builtin_type_f_real;
 881 extern struct type *builtin_type_f_real_s8;
 882 extern struct type *builtin_type_f_real_s16;
 883 extern struct type *builtin_type_f_complex_s8;
 884 extern struct type *builtin_type_f_complex_s16;
 885 extern struct type *builtin_type_f_complex_s32;
 886 extern struct type *builtin_type_f_void;
 887
 888 /* RTTI for C++ */
 889 /* extern struct type *builtin_type_cxx_typeinfo; */
 890
 891 /* Maximum and minimum values of built-in types */
 892
 893 #define MAX_OF_TYPE(t)  \
 894    TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
 895     : MAX_OF_SIZE(TYPE_LENGTH(t))
 896
 897 #define MIN_OF_TYPE(t)  \
 898    TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
 899     : MIN_OF_SIZE(TYPE_LENGTH(t))
 900
 901 /* Allocate space for storing data associated with a particular type.
 902    We ensure that the space is allocated using the same mechanism that
 903    was used to allocate the space for the type structure itself.  I.E.
 904    if the type is on an objfile's type_obstack, then the space for data
 905    associated with that type will also be allocated on the type_obstack.
 906    If the type is not associated with any particular objfile (such as
 907    builtin types), then the data space will be allocated with xmalloc,
 908    the same as for the type structure. */
 909
 910 #define TYPE_ALLOC(t,size)  \
 911    (TYPE_OBJFILE (t) != NULL  \
 912     ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
 913     : xmalloc (size))
 914
 915 extern struct type *
 916 alloc_type PARAMS ((struct objfile *));
 917
 918 extern struct type *
 919 init_type PARAMS ((enum type_code, int, int, char *, struct objfile *));
 920
 921 extern struct type *
 922 lookup_reference_type PARAMS ((struct type *));
 923
 924 extern struct type *
 925 make_reference_type PARAMS ((struct type *, struct type **));
 926
 927 extern struct type *
 928 make_cv_type PARAMS ((int, int, struct type *, struct type **));
 929
 930 extern struct type *
 931 lookup_member_type PARAMS ((struct type *, struct type *));
 932
 933 extern void
 934 smash_to_method_type PARAMS ((struct type *, struct type *, struct type *,
 935                               struct type **));
 936
 937 extern void
 938 smash_to_member_type PARAMS ((struct type *, struct type *, struct type *));
 939
 940 extern struct type *
 941 allocate_stub_method PARAMS ((struct type *));
 942
 943 extern char *
 944 type_name_no_tag PARAMS ((const struct type *));
 945
 946 extern struct type *
 947 lookup_struct_elt_type PARAMS ((struct type *, char *, int));
 948
 949 extern struct type *
 950 make_pointer_type PARAMS ((struct type *, struct type **));
 951
 952 extern struct type *
 953 lookup_pointer_type PARAMS ((struct type *));
 954
 955 extern struct type *
 956 make_function_type PARAMS ((struct type *, struct type **));
 957
 958 extern struct type *
 959 lookup_function_type PARAMS ((struct type *));
 960
 961 extern struct type *
 962 create_range_type PARAMS ((struct type *, struct type *, int, int));
 963
 964 extern struct type *
 965 create_array_type PARAMS ((struct type *, struct type *, struct type *));
 966
 967 extern struct type *
 968 create_string_type PARAMS ((struct type *, struct type *));
 969
 970 extern struct type *create_set_type PARAMS ((struct type *, struct type *));
 971
 972 extern int chill_varying_type PARAMS ((struct type*));
 973
 974 extern struct type *
 975 lookup_unsigned_typename PARAMS ((char *));
 976
 977 extern struct type *
 978 lookup_signed_typename PARAMS ((char *));
 979
 980 extern struct type *
 981 check_typedef PARAMS ((struct type *));
 982
 983 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
 984
 985 extern void
 986 check_stub_method PARAMS ((struct type *, int, int));
 987
 988 extern struct type *
 989 lookup_primitive_typename PARAMS ((char *));
 990
 991 extern char *
 992 gdb_mangle_name PARAMS ((struct type *, int, int));
 993
 994 extern struct type *
 995 builtin_type PARAMS ((char **));
 996
 997 extern struct type *
 998 lookup_typename PARAMS ((char *, struct block *, int));
 999
1000 extern struct type *
1001 lookup_template_type PARAMS ((char *, struct type *, struct block *));
1002
1003 extern struct type *
1004 lookup_fundamental_type PARAMS ((struct objfile *, int));
1005
1006 extern void
1007 fill_in_vptr_fieldno PARAMS ((struct type *));
1008
1009 extern int get_destructor_fn_field PARAMS ((struct type *, int *, int *));
1010
1011 extern int get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*));
1012
1013 extern int
1014 is_ancestor PARAMS ((struct type *, struct type *));
1015
1016 extern int
1017 has_vtable PARAMS ((struct type *));
1018
1019 extern struct type *
1020 primary_base_class PARAMS ((struct type *));
1021
1022 extern struct type **
1023 virtual_base_list PARAMS ((struct type *));
1024
1025 extern int
1026 virtual_base_list_length PARAMS ((struct type *));
1027 extern int
1028 virtual_base_list_length_skip_primaries PARAMS ((struct type *));
1029
1030 extern int
1031 virtual_base_index PARAMS ((struct type *, struct type *));
1032 extern int
1033 virtual_base_index_skip_primaries PARAMS ((struct type *, struct type *));
1034
1035
1036 extern int
1037 class_index_in_primary_list PARAMS ((struct type *));
1038
1039 extern int
1040 count_virtual_fns PARAMS ((struct type*));
1041
1042 /* Constants for HP/Taligent ANSI C++ runtime model */
1043
1044 /* Where virtual function entries begin in the
1045  * virtual table, in the non-RRBC vtable format.
1046  * First 4 are the metavtable pointer, top offset,
1047  * typeinfo pointer, and dup base info pointer */
1048 #define HP_ACC_VFUNC_START        4
1049
1050 /* (Negative) Offset where virtual base offset entries begin
1051  * in the virtual table. Skips over metavtable pointer and
1052  * the self-offset entry.
1053  * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
1054  * appear before the address point of the vtable (the slot
1055  * pointed to by the object's vtable pointer), i.e. at lower
1056  * addresses than the vtable pointer. */
1057 #define HP_ACC_VBASE_START        2
1058
1059 /* (Positive) Offset where the pointer to the typeinfo
1060  * object is present in the virtual table */
1061 #define HP_ACC_TYPEINFO_OFFSET    2
1062
1063 /* (Positive) Offset where the ``top offset'' entry of
1064  * the virtual table is */
1065 #define HP_ACC_TOP_OFFSET_OFFSET  1
1066
1067 /* Overload resolution */
1068
1069 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1070
1071 /* Badness if parameter list length doesn't match arg list length */
1072 #define LENGTH_MISMATCH_BADNESS      100
1073 /* Dummy badness value for nonexistent parameter positions */
1074 #define TOO_FEW_PARAMS_BADNESS       100
1075 /* Badness if no conversion among types */
1076 #define INCOMPATIBLE_TYPE_BADNESS    100
1077 /* Badness of coercing large integer to smaller size */
1078 #define INTEGER_COERCION_BADNESS     100
1079 /* Badness of coercing large floating type to smaller size */
1080 #define FLOAT_COERCION_BADNESS       100
1081
1082 /* Badness of integral promotion */
1083 #define INTEGER_PROMOTION_BADNESS      1
1084 /* Badness of floating promotion */
1085 #define FLOAT_PROMOTION_BADNESS        1
1086 /* Badness of integral conversion */
1087 #define INTEGER_CONVERSION_BADNESS     2
1088 /* Badness of floating conversion */
1089 #define FLOAT_CONVERSION_BADNESS       2
1090 /* Badness of integer<->floating conversions */
1091 #define INT_FLOAT_CONVERSION_BADNESS   2
1092 /* Badness of converting to a boolean */
1093 #define BOOLEAN_CONVERSION_BADNESS     2
1094 /* Badness of pointer conversion */
1095 #define POINTER_CONVERSION_BADNESS     2
1096 /* Badness of conversion of pointer to void pointer */
1097 #define VOID_PTR_CONVERSION_BADNESS    2
1098 /* Badness of convering derived to base class */
1099 #define BASE_CONVERSION_BADNESS        2
1100
1101 /* Non-standard conversions allowed by the debugger */
1102 /* Converting a pointer to an int is usually OK */
1103 #define NS_POINTER_CONVERSION_BADNESS 10
1104
1105
1106 extern int
1107 compare_badness PARAMS ((struct badness_vector *, struct badness_vector *));
1108
1109 extern struct badness_vector *
1110 rank_function PARAMS ((struct type **, int, struct type **, int));
1111
1112 extern int
1113 rank_one_type PARAMS ((struct type *, struct type *));
1114
1115 extern void recursive_dump_type PARAMS ((struct type *, int));
1116
1117 /* printcmd.c */
1118
1119 extern void
1120 print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *));
1121
1122 extern int can_dereference PARAMS ((struct type *));
1123
1124 extern void maintenance_print_type PARAMS ((char *, int));
1125
1126 /* typeprint.c */
1127
1128 extern void print_type_scalar PARAMS ((struct type *, LONGEST, GDB_FILE *));
1129
1130 #endif  /* GDBTYPES_H */