gdb/gdbtypes.h

   1 /* Internal type definitions for GDB.
   2    Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
   3    Contributed by Cygnus Support, using pieces from other GDB modules.
   4
   5 This file is part of GDB.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #if !defined (GDBTYPES_H)
  22 #define GDBTYPES_H 1
  23
  24 /* Codes for `fundamental types'.  This is a monstrosity based on the
  25    bogus notion that there are certain compiler-independent
  26    `fundamental types'.  None of these is well-defined (how big is
  27    FT_SHORT?  Does it depend on the language?  How does the
  28    language-specific code know which type to correlate to FT_SHORT?)  */
  29
  30 #define FT_VOID                 0
  31 #define FT_BOOLEAN              1
  32 #define FT_CHAR                 2 /* we use this for not-unsigned C/C++ chars */
  33 #define FT_SIGNED_CHAR          3 /* we use this for C++ signed chars */
  34 #define FT_UNSIGNED_CHAR        4 /* we use this for C/C++ unsigned chars */
  35 #define FT_SHORT                5
  36 #define FT_SIGNED_SHORT         6
  37 #define FT_UNSIGNED_SHORT       7
  38 #define FT_INTEGER              8
  39 #define FT_SIGNED_INTEGER       9
  40 #define FT_UNSIGNED_INTEGER     10
  41 #define FT_LONG                 11
  42 #define FT_SIGNED_LONG          12
  43 #define FT_UNSIGNED_LONG        13
  44 #define FT_LONG_LONG            14
  45 #define FT_SIGNED_LONG_LONG     15
  46 #define FT_UNSIGNED_LONG_LONG   16
  47 #define FT_FLOAT                17
  48 #define FT_DBL_PREC_FLOAT       18
  49 #define FT_EXT_PREC_FLOAT       19
  50 #define FT_COMPLEX              20
  51 #define FT_DBL_PREC_COMPLEX     21
  52 #define FT_EXT_PREC_COMPLEX     22
  53 #define FT_STRING               23
  54 #define FT_FIXED_DECIMAL        24
  55 #define FT_FLOAT_DECIMAL        25
  56 #define FT_BYTE                 26
  57 #define FT_UNSIGNED_BYTE        27
  58 #define FT_TEMPLATE_ARG         28
  59
  60 #define FT_NUM_MEMBERS          29      /* Highest FT_* above, plus one. */
  61
  62 /* Some macros for char-based bitfields.  */
  63
  64 #define B_SET(a,x)      ((a)[(x)>>3] |= (1 << ((x)&7)))
  65 #define B_CLR(a,x)      ((a)[(x)>>3] &= ~(1 << ((x)&7)))
  66 #define B_TST(a,x)      ((a)[(x)>>3] & (1 << ((x)&7)))
  67 #define B_TYPE          unsigned char
  68 #define B_BYTES(x)      ( 1 + ((x)>>3) )
  69 #define B_CLRALL(a,x)   memset ((a), 0, B_BYTES(x))
  70
  71 /* Different kinds of data types are distinguished by the `code' field.  */
  72
  73 enum type_code
  74 {
  75   TYPE_CODE_UNDEF,              /* Not used; catches errors */
  76   TYPE_CODE_PTR,                /* Pointer type */
  77   TYPE_CODE_ARRAY,              /* Array type with lower & upper bounds. */
  78   TYPE_CODE_STRUCT,             /* C struct or Pascal record */
  79   TYPE_CODE_UNION,              /* C union or Pascal variant part */
  80   TYPE_CODE_ENUM,               /* Enumeration type */
  81   TYPE_CODE_FUNC,               /* Function type */
  82   TYPE_CODE_INT,                /* Integer type */
  83
  84   /* Floating type.  This is *NOT* a complex type.  Beware, there are parts
  85      of GDB which bogusly assume that TYPE_CODE_FLT can mean complex.  */
  86   TYPE_CODE_FLT,
  87
  88   /* Void type.  The length field specifies the length (probably always
  89      one) which is used in pointer arithmetic involving pointers to
  90      this type, but actually dereferencing such a pointer is invalid;
  91      a void type has no length and no actual representation in memory
  92      or registers.  A pointer to a void type is a generic pointer.  */
  93   TYPE_CODE_VOID,
  94
  95   TYPE_CODE_SET,                /* Pascal sets */
  96   TYPE_CODE_RANGE,              /* Range (integers within spec'd bounds) */
  97
  98   /* A string type which is like an array of character but prints
  99      differently (at least for CHILL).  It does not contain a length
 100      field as Pascal strings (for many Pascals, anyway) do; if we want
 101      to deal with such strings, we should use a new type code.  */
 102   TYPE_CODE_STRING,
 103
 104   /* String of bits; like TYPE_CODE_SET but prints differently (at least
 105      for CHILL).  */
 106   TYPE_CODE_BITSTRING,
 107
 108   /* Unknown type.  The length field is valid if we were able to
 109      deduce that much about the type, or 0 if we don't even know that.  */
 110   TYPE_CODE_ERROR,
 111
 112   /* C++ */
 113   TYPE_CODE_MEMBER,             /* Member type */
 114   TYPE_CODE_METHOD,             /* Method type */
 115   TYPE_CODE_REF,                /* C++ Reference types */
 116
 117   TYPE_CODE_CHAR,               /* *real* character type */
 118
 119   /* Boolean type.  0 is false, 1 is true, and other values are non-boolean
 120      (e.g. FORTRAN "logical" used as unsigned int).  */
 121   TYPE_CODE_BOOL,
 122
 123   /* Fortran */
 124   TYPE_CODE_COMPLEX,            /* Complex float */
 125
 126   TYPE_CODE_TYPEDEF,
 127   TYPE_CODE_TEMPLATE,           /* C++ template */
 128   TYPE_CODE_TEMPLATE_ARG        /* C++ template arg */
 129
 130 };
 131
 132 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
 133    alias for TYPE_CODE_STRUCT.  This is for DWARF, which has a distinct
 134    "class" attribute.  Perhaps we should actually have a separate TYPE_CODE
 135    so that we can print "class" or "struct" depending on what the debug
 136    info said.  It's not clear we should bother.  */
 137
 138 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
 139
 140 /* Some bits for the type's flags word. */
 141
 142 /* Unsigned integer type.  If this is not set for a TYPE_CODE_INT, the
 143    type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
 144
 145 #define TYPE_FLAG_UNSIGNED      (1 << 0)
 146
 147 /* No sign for this type.  In C++, "char", "signed char", and "unsigned
 148    char" are distinct types; so we need an extra flag to indicate the
 149    absence ofa sign! */
 150
 151 #define TYPE_FLAG_NOSIGN        (1 << 1)
 152
 153 /* This appears in a type's flags word if it is a stub type (e.g., if
 154    someone referenced a type that wasn't defined in a source file
 155    via (struct sir_not_appearing_in_this_film *)).  */
 156
 157 #define TYPE_FLAG_STUB          (1 << 2)
 158
 159 /* The target type of this type is a stub type, and this type needs to
 160    be updated if it gets un-stubbed in check_typedef.
 161    Used for arrays and ranges, in which TYPE_LENGTH of the array/range
 162    gets set based on the TYPE_LENGTH of the target type.
 163    Also, set for TYPE_CODE_TYPEDEF. */
 164
 165 #define TYPE_FLAG_TARGET_STUB (1 << 3)
 166
 167 /* Static type.  If this is set, the corresponding type had
 168  * a static modifier.
 169  * Note: This may be unnecessary, since static data members
 170  * are indicated by other means (bitpos == -1)
 171  */
 172
 173 #define TYPE_FLAG_STATIC (1 << 4)
 174
 175 /* Constant type.  If this is set, the corresponding type has a
 176  * const modifier.
 177  */
 178
 179 #define TYPE_FLAG_CONST (1 << 5)
 180
 181 /* Volatile type.  If this is set, the corresponding type has a
 182  * volatile modifier.
 183  */
 184
 185 #define TYPE_FLAG_VOLATILE (1 << 6)
 186
 187
 188 /* This is a function type which appears to have a prototype.  We need this
 189    for function calls in order to tell us if it's necessary to coerce the args,
 190    or to just do the standard conversions.  This is used with a short field. */
 191
 192 #define TYPE_FLAG_PROTOTYPED (1 << 7)
 193
 194 /* This flag is used to indicate that processing for this type
 195    is incomplete.
 196
 197    (Mostly intended for HP platforms, where class methods, for
 198    instance, can be encountered before their classes in the debug
 199    info; the incomplete type has to be marked so that the class and
 200    the method can be assigned correct types.) */
 201
 202 #define TYPE_FLAG_INCOMPLETE (1 << 8)
 203
 204
 205 struct type
 206 {
 207
 208   /* Code for kind of type */
 209
 210   enum type_code code;
 211
 212   /* Name of this type, or NULL if none.
 213
 214      This is used for printing only, except by poorly designed C++ code.
 215      For looking up a name, look for a symbol in the VAR_NAMESPACE.  */
 216
 217   char *name;
 218
 219   /* Tag name for this type, or NULL if none.  This means that the
 220      name of the type consists of a keyword followed by the tag name.
 221      Which keyword is determined by the type code ("struct" for
 222      TYPE_CODE_STRUCT, etc.).  As far as I know C/C++ are the only languages
 223      with this feature.
 224
 225      This is used for printing only, except by poorly designed C++ code.
 226      For looking up a name, look for a symbol in the STRUCT_NAMESPACE.
 227      One more legitimate use is that if TYPE_FLAG_STUB is set, this is
 228      the name to use to look for definitions in other files.  */
 229
 230   char *tag_name;
 231
 232   /* Length of storage for a value of this type.  Various places pass
 233      this to memcpy and such, meaning it must be in units of
 234      HOST_CHAR_BIT.  Various other places expect they can calculate
 235      addresses by adding it and such, meaning it must be in units of
 236      TARGET_CHAR_BIT.  For some DSP targets, in which HOST_CHAR_BIT
 237      will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this
 238      is a problem.  One fix would be to make this field in bits
 239      (requiring that it always be a multiple of HOST_CHAR_BIT and
 240      TARGET_CHAR_BIT)--the other choice would be to make it
 241      consistently in units of HOST_CHAR_BIT.  */
 242
 243   unsigned length;
 244
 245   /* FIXME, these should probably be restricted to a Fortran-specific
 246      field in some fashion.  */
 247 #define BOUND_CANNOT_BE_DETERMINED   5
 248 #define BOUND_BY_REF_ON_STACK        4
 249 #define BOUND_BY_VALUE_ON_STACK      3
 250 #define BOUND_BY_REF_IN_REG          2
 251 #define BOUND_BY_VALUE_IN_REG        1
 252 #define BOUND_SIMPLE                 0
 253   int upper_bound_type;
 254   int lower_bound_type;
 255
 256   /* Every type is now associated with a particular objfile, and the
 257      type is allocated on the type_obstack for that objfile.  One problem
 258      however, is that there are times when gdb allocates new types while
 259      it is not in the process of reading symbols from a particular objfile.
 260      Fortunately, these happen when the type being created is a derived
 261      type of an existing type, such as in lookup_pointer_type().  So
 262      we can just allocate the new type using the same objfile as the
 263      existing type, but to do this we need a backpointer to the objfile
 264      from the existing type.  Yes this is somewhat ugly, but without
 265      major overhaul of the internal type system, it can't be avoided
 266      for now. */
 267
 268   struct objfile *objfile;
 269
 270   /* For a pointer type, describes the type of object pointed to.
 271      For an array type, describes the type of the elements.
 272      For a function or method type, describes the type of the return value.
 273      For a range type, describes the type of the full range.
 274      For a complex type, describes the type of each coordinate.
 275      Unused otherwise.  */
 276
 277   struct type *target_type;
 278
 279   /* Type that is a pointer to this type.
 280      NULL if no such pointer-to type is known yet.
 281      The debugger may add the address of such a type
 282      if it has to construct one later.  */
 283
 284   struct type *pointer_type;
 285
 286   /* C++: also need a reference type.  */
 287
 288   struct type *reference_type;
 289
 290   /* C-v variant chain. This points to a type that
 291      differs from this one only in a const or volatile
 292      attribute (or both). The various c-v variants
 293      are chained together in a ring. */
 294   struct type *cv_type;
 295
 296   /* Flags about this type.  */
 297
 298   int flags;
 299
 300   /* Number of fields described for this type */
 301
 302   short nfields;
 303
 304   /* For structure and union types, a description of each field.
 305      For set and pascal array types, there is one "field",
 306      whose type is the domain type of the set or array.
 307      For range types, there are two "fields",
 308      the minimum and maximum values (both inclusive).
 309      For enum types, each possible value is described by one "field".
 310      For a function type, a "field" for each parameter type.
 311      For C++ classes, there is one field for each base class (if it is
 312      a derived class) plus one field for each class data member.  Member
 313      functions are recorded elsewhere.
 314
 315      Using a pointer to a separate array of fields
 316      allows all types to have the same size, which is useful
 317      because we can allocate the space for a type before
 318      we know what to put in it.  */
 319
 320   struct field
 321     {
 322
 323
 324
 325       union field_location
 326         {
 327           /* Position of this field, counting in bits from start of
 328              containing structure.
 329              For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
 330              For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
 331              For a function type, this is the position in the argument list
 332              of this argument.
 333              For a range bound or enum value, this is the value itself. */
 334
 335           int bitpos;
 336
 337           /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
 338              is the location (in the target) of the static field.
 339              Otherwise, physname is the mangled label of the static field. */
 340
 341           CORE_ADDR physaddr;
 342           char* physname;
 343       } loc;
 344
 345       /* Size of this field, in bits, or zero if not packed.
 346          For an unpacked field, the field's type's length
 347          says how many bytes the field occupies.
 348          A value of -1 or -2 indicates a static field;  -1 means the location
 349          is specified by the label loc.physname;  -2 means that loc.physaddr
 350          specifies the actual address. */
 351
 352       int bitsize;
 353
 354       /* In a struct or union type, type of this field.
 355          In a function type, type of this argument.
 356          In an array type, the domain-type of the array.  */
 357
 358       struct type *type;
 359
 360       /* Name of field, value or argument.
 361          NULL for range bounds and array domains.  */
 362
 363       char *name;
 364
 365     } *fields;
 366
 367   /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
 368      is the base class which defined the virtual function table pointer.
 369
 370      For types that are pointer to member types (TYPE_CODE_MEMBER),
 371      VPTR_BASETYPE is the type that this pointer is a member of.
 372
 373      For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
 374      type that contains the method.
 375
 376      Unused otherwise.  */
 377
 378   struct type *vptr_basetype;
 379
 380   /* Field number of the virtual function table pointer in
 381      VPTR_BASETYPE.  If -1, we were unable to find the virtual
 382      function table pointer in initial symbol reading, and
 383      fill_in_vptr_fieldno should be called to find it if possible.
 384
 385      Unused if this type does not have virtual functions.  */
 386
 387   int vptr_fieldno;
 388
 389   /* Slot to point to additional language-specific fields of this type.  */
 390
 391   union type_specific
 392     {
 393
 394       /* ARG_TYPES is for TYPE_CODE_METHOD.
 395          Contains the type of each argument, ending with a void type
 396          after the last argument for normal member functions or a NULL
 397          pointer after the last argument for functions with variable
 398          arguments.  */
 399
 400       struct type **arg_types;
 401
 402       /* CPLUS_STUFF is for TYPE_CODE_STRUCT.  It is initialized to point to
 403          cplus_struct_default, a default static instance of a struct
 404          cplus_struct_type. */
 405
 406       struct cplus_struct_type *cplus_stuff;
 407
 408     } type_specific;
 409 };
 410
 411 #define NULL_TYPE ((struct type *) 0)
 412
 413 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
 414    nodes.  */
 415
 416 struct cplus_struct_type
 417 {
 418   /* Number of base classes this type derives from.  The baseclasses are
 419      stored in the first N_BASECLASSES fields (i.e. the `fields' field of
 420      the struct type).  I think only the `type' field of such a field has
 421      any meaning.  */
 422
 423   short n_baseclasses;
 424
 425   /* Number of methods with unique names.  All overloaded methods with
 426      the same name count only once. */
 427
 428   short nfn_fields;
 429
 430   /* Number of methods described for this type, not including the
 431      methods that it derives from.  */
 432
 433   short nfn_fields_total;
 434
 435   /* The "declared_type" field contains a code saying how the
 436      user really declared this type, e.g., "class s", "union s",
 437      "struct s".
 438      The 3 above things come out from the C++ compiler looking like classes,
 439      but we keep track of the real declaration so we can give
 440      the correct information on "ptype". (Note: TEMPLATE may not
 441      belong in this list...)  */
 442
 443 #define DECLARED_TYPE_CLASS 0
 444 #define DECLARED_TYPE_UNION 1
 445 #define DECLARED_TYPE_STRUCT 2
 446 #define DECLARED_TYPE_TEMPLATE 3
 447   short declared_type; /* One of the above codes */
 448
 449   /* For derived classes, the number of base classes is given by n_baseclasses
 450      and virtual_field_bits is a bit vector containing one bit per base class.
 451      If the base class is virtual, the corresponding bit will be set.
 452      I.E, given:
 453
 454         class A{};
 455         class B{};
 456         class C : public B, public virtual A {};
 457
 458      B is a baseclass of C; A is a virtual baseclass for C.
 459      This is a C++ 2.0 language feature. */
 460
 461   B_TYPE *virtual_field_bits;
 462
 463   /* For classes with private fields, the number of fields is given by
 464      nfields and private_field_bits is a bit vector containing one bit
 465      per field.
 466      If the field is private, the corresponding bit will be set. */
 467
 468   B_TYPE *private_field_bits;
 469
 470   /* For classes with protected fields, the number of fields is given by
 471      nfields and protected_field_bits is a bit vector containing one bit
 472      per field.
 473      If the field is private, the corresponding bit will be set. */
 474
 475   B_TYPE *protected_field_bits;
 476
 477   /* for classes with fields to be ignored, either this is optimized out
 478      or this field has length 0 */
 479
 480   B_TYPE *ignore_field_bits;
 481
 482   /* For classes, structures, and unions, a description of each field,
 483      which consists of an overloaded name, followed by the types of
 484      arguments that the method expects, and then the name after it
 485      has been renamed to make it distinct.
 486
 487      fn_fieldlists points to an array of nfn_fields of these. */
 488
 489   struct fn_fieldlist
 490     {
 491
 492       /* The overloaded name.  */
 493
 494       char *name;
 495
 496       /* The number of methods with this name.  */
 497
 498       int length;
 499
 500       /* The list of methods.  */
 501
 502       struct fn_field
 503         {
 504
 505           /* If is_stub is clear, this is the mangled name which we can
 506              look up to find the address of the method (FIXME: it would
 507              be cleaner to have a pointer to the struct symbol here
 508              instead).  */
 509
 510           /* If is_stub is set, this is the portion of the mangled
 511              name which specifies the arguments.  For example, "ii",
 512              if there are two int arguments, or "" if there are no
 513              arguments.  See gdb_mangle_name for the conversion from this
 514              format to the one used if is_stub is clear.  */
 515
 516           char *physname;
 517
 518           /* The function type for the method.
 519              (This comment used to say "The return value of the method",
 520              but that's wrong. The function type
 521              is expected here, i.e. something with TYPE_CODE_FUNC,
 522              and *not* the return-value type). */
 523
 524           struct type *type;
 525
 526           /* The argument list.  Only valid if is_stub is clear.  Contains
 527              the type of each argument, including `this', and ending with
 528              a NULL pointer after the last argument.  Should not contain
 529              a `this' pointer for static member functions.  */
 530
 531           struct type **args;
 532
 533           /* For virtual functions.
 534              First baseclass that defines this virtual function.   */
 535
 536           struct type *fcontext;
 537
 538           /* Attributes. */
 539
 540           unsigned int is_const : 1;
 541           unsigned int is_volatile : 1;
 542           unsigned int is_private : 1;
 543           unsigned int is_protected : 1;
 544
 545           /* A stub method only has some fields valid (but they are enough
 546              to reconstruct the rest of the fields).  */
 547           unsigned int is_stub : 1;
 548
 549           /* C++ method that is inlined */
 550           unsigned int is_inlined : 1;
 551
 552           /* Unused.  */
 553           unsigned int dummy : 2;
 554
 555           /* Index into that baseclass's virtual function table,
 556              minus 2; else if static: VOFFSET_STATIC; else: 0.  */
 557
 558           unsigned int voffset : 24;
 559
 560 #         define VOFFSET_STATIC 1
 561
 562         } *fn_fields;
 563
 564     } *fn_fieldlists;
 565
 566     /* If this "struct type" describes a template, then it
 567      * has arguments. "template_args" points to an array of
 568      * template arg descriptors, of length "ntemplate_args".
 569      * The only real information in each of these template arg descriptors
 570      * is a name. "type" will typically just point to a "struct type" with
 571      * the placeholder TYPE_CODE_TEMPLATE_ARG type.
 572      */
 573     short ntemplate_args;
 574     struct template_arg
 575     {
 576       char *name;
 577       struct type *type;
 578     } *template_args;
 579
 580     /* If this "struct type" describes a template, it has a list
 581      * of instantiations. "instantiations" is a pointer to an array
 582      * of type's, one representing each instantiation. There
 583      * are "ninstantiations" elements in this array.
 584      */
 585     short ninstantiations;
 586     struct type **instantiations;
 587
 588     /* The following points to information relevant to the runtime model
 589      * of the compiler.
 590      * Currently being used only for HP's ANSI C++ compiler.
 591      * (This type may have to be changed/enhanced for other compilers.)
 592      *
 593      * RUNTIME_PTR is NULL if there is no runtime information (currently
 594      * this means the type was not compiled by HP aCC).
 595      *
 596      * Fields in structure pointed to:
 597      * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
 598      *
 599      * ->PRIMARY_BASE points to the first non-virtual base class that has
 600      * a virtual table.
 601      *
 602      * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
 603      * point to the type information for all virtual bases among this type's
 604      * ancestors.
 605      */
 606     struct runtime_info {
 607       short has_vtable;
 608       struct type * primary_base;
 609       struct type ** virtual_base_list;
 610     } * runtime_ptr;
 611
 612     /* Pointer to information about enclosing scope, if this is a
 613      * local type.  If it is not a local type, this is NULL
 614      */
 615     struct local_type_info {
 616       char * file;
 617       int line;
 618     } * localtype_ptr;
 619 };
 620
 621 /* Struct used in computing virtual base list */
 622 struct vbase
 623 {
 624     struct type * vbasetype;  /* pointer to virtual base */
 625     struct vbase * next;      /* next in chain */
 626 };
 627
 628 /* Struct used for ranking a function for overload resolution */
 629 struct badness_vector {
 630   int length;
 631   int * rank;
 632 };
 633
 634 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
 635    this shared static structure. */
 636
 637 extern const struct cplus_struct_type cplus_struct_default;
 638
 639 extern void
 640 allocate_cplus_struct_type PARAMS ((struct type *));
 641
 642 #define INIT_CPLUS_SPECIFIC(type) \
 643   (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
 644 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
 645 #define HAVE_CPLUS_STRUCT(type) \
 646   (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
 647
 648 #define TYPE_NAME(thistype) (thistype)->name
 649 #define TYPE_TAG_NAME(type) ((type)->tag_name)
 650 #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
 651 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
 652 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
 653 #define TYPE_CV_TYPE(thistype) (thistype)->cv_type
 654 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
 655    But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
 656    so you only have to call check_typedef once.  Since allocate_value
 657    calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe.  */
 658 #define TYPE_LENGTH(thistype) (thistype)->length
 659 #define TYPE_OBJFILE(thistype) (thistype)->objfile
 660 #define TYPE_FLAGS(thistype) (thistype)->flags
 661 #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
 662 #define TYPE_NOSIGN(thistype) ((thistype)->flags & TYPE_FLAG_NOSIGN)
 663 #define TYPE_CONST(thistype) ((thistype)->flags & TYPE_FLAG_CONST)
 664 #define TYPE_VOLATILE(thistype) ((thistype)->flags & TYPE_FLAG_VOLATILE)
 665 #define TYPE_INCOMPLETE(thistype) ((thistype)->flags & TYPE_FLAG_INCOMPLETE)
 666 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real
 667    type, you need to do TYPE_CODE (check_type (this_type)). */
 668 #define TYPE_CODE(thistype) (thistype)->code
 669 #define TYPE_NFIELDS(thistype) (thistype)->nfields
 670 #define TYPE_FIELDS(thistype) (thistype)->fields
 671 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
 672 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
 673
 674 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
 675 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
 676 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
 677
 678 /* Moto-specific stuff for FORTRAN arrays */
 679
 680 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type
 681 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type
 682
 683 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
 684    (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
 685
 686 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
 687    (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
 688
 689 /* C++ */
 690
 691 #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
 692 #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
 693 #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
 694 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
 695 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
 696 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
 697 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
 698 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
 699 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
 700 #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
 701 #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
 702 #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
 703 #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
 704 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
 705 #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
 706 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
 707 #define BASETYPE_VIA_PUBLIC(thistype, index) \
 708   ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
 709
 710 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
 711   (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
 712     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
 713
 714 #define FIELD_TYPE(thisfld) ((thisfld).type)
 715 #define FIELD_NAME(thisfld) ((thisfld).name)
 716 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
 717 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
 718 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
 719 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
 720 #define SET_FIELD_PHYSNAME(thisfld, name) \
 721   ((thisfld).bitsize = -1, FIELD_PHYSNAME(thisfld) = (name))
 722 #define SET_FIELD_PHYSADDR(thisfld, name) \
 723   ((thisfld).bitsize = -2, FIELD_PHYSADDR(thisfld) = (name))
 724 #define TYPE_FIELD(thistype, n) (thistype)->fields[n]
 725 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
 726 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
 727 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
 728 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
 729 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
 730 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
 731 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
 732
 733 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
 734   TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
 735 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
 736   TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
 737 #define TYPE_FIELD_IGNORE_BITS(thistype) \
 738   TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
 739 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
 740   TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
 741 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
 742   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
 743 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
 744   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
 745 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
 746   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
 747 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
 748   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
 749 #define TYPE_FIELD_PRIVATE(thistype, n) \
 750   (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
 751     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
 752 #define TYPE_FIELD_PROTECTED(thistype, n) \
 753   (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
 754     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
 755 #define TYPE_FIELD_IGNORE(thistype, n) \
 756   (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
 757     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
 758 #define TYPE_FIELD_VIRTUAL(thistype, n) \
 759   (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
 760     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
 761
 762 #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitsize < 0)
 763 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) ((thistype)->fields[n].bitsize == -2)
 764 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
 765 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
 766
 767 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
 768 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
 769 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
 770 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
 771 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
 772
 773 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
 774 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
 775 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
 776 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
 777 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
 778 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
 779 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
 780 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
 781 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
 782 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
 783 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
 784 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
 785 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
 786 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
 787
 788 #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
 789 #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
 790 #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
 791 #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
 792 #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
 793
 794 #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
 795 #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
 796 #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
 797
 798 #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) ||        \
 799                                    (TYPE_CODE (thistype) == TYPE_CODE_UNION))        && \
 800                                   (TYPE_NFIELDS (thistype) == 0)                     && \
 801                                   (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
 802
 803
 804
 805 /* Implicit sizes */
 806 extern struct type *builtin_type_void;
 807 extern struct type *builtin_type_char;
 808 extern struct type *builtin_type_short;
 809 extern struct type *builtin_type_int;
 810 extern struct type *builtin_type_long;
 811 extern struct type *builtin_type_signed_char;
 812 extern struct type *builtin_type_unsigned_char;
 813 extern struct type *builtin_type_unsigned_short;
 814 extern struct type *builtin_type_unsigned_int;
 815 extern struct type *builtin_type_unsigned_long;
 816 extern struct type *builtin_type_float;
 817 extern struct type *builtin_type_double;
 818 extern struct type *builtin_type_long_double;
 819 extern struct type *builtin_type_complex;
 820 extern struct type *builtin_type_double_complex;
 821 extern struct type *builtin_type_string;
 822 extern struct type *builtin_type_bool;
 823
 824 /* Explicit sizes - see <intypes.h> for naming schema */
 825 extern struct type *builtin_type_int8;
 826 extern struct type *builtin_type_uint8;
 827 extern struct type *builtin_type_int16;
 828 extern struct type *builtin_type_uint16;
 829 extern struct type *builtin_type_int32;
 830 extern struct type *builtin_type_uint32;
 831 extern struct type *builtin_type_int64;
 832 extern struct type *builtin_type_uint64;
 833 /* start-sanitize-r5900 */
 834 extern struct type *builtin_type_int128;
 835 extern struct type *builtin_type_uint128;
 836 /* end-sanitize-r5900 */
 837
 838 /* This type represents a type that was unrecognized in symbol
 839    read-in.  */
 840
 841 extern struct type *builtin_type_error;
 842
 843 extern struct type *builtin_type_long_long;
 844 extern struct type *builtin_type_unsigned_long_long;
 845
 846 /* Modula-2 types */
 847
 848 extern struct type *builtin_type_m2_char;
 849 extern struct type *builtin_type_m2_int;
 850 extern struct type *builtin_type_m2_card;
 851 extern struct type *builtin_type_m2_real;
 852 extern struct type *builtin_type_m2_bool;
 853
 854 /* Chill types */
 855
 856 extern struct type *builtin_type_chill_bool;
 857 extern struct type *builtin_type_chill_char;
 858 extern struct type *builtin_type_chill_long;
 859 extern struct type *builtin_type_chill_ulong;
 860 extern struct type *builtin_type_chill_real;
 861
 862 /* Fortran (F77) types */
 863
 864 extern struct type *builtin_type_f_character;
 865 extern struct type *builtin_type_f_integer;
 866 extern struct type *builtin_type_f_logical;
 867 extern struct type *builtin_type_f_logical_s1;
 868 extern struct type *builtin_type_f_logical_s2;
 869 extern struct type *builtin_type_f_integer;
 870 extern struct type *builtin_type_f_integer_s2;
 871 extern struct type *builtin_type_f_real;
 872 extern struct type *builtin_type_f_real_s8;
 873 extern struct type *builtin_type_f_real_s16;
 874 extern struct type *builtin_type_f_complex_s8;
 875 extern struct type *builtin_type_f_complex_s16;
 876 extern struct type *builtin_type_f_complex_s32;
 877 extern struct type *builtin_type_f_void;
 878
 879 /* RTTI for C++ */
 880 /* extern struct type *builtin_type_cxx_typeinfo; */
 881
 882 /* Maximum and minimum values of built-in types */
 883
 884 #define MAX_OF_TYPE(t)  \
 885    TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
 886     : MAX_OF_SIZE(TYPE_LENGTH(t))
 887
 888 #define MIN_OF_TYPE(t)  \
 889    TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
 890     : MIN_OF_SIZE(TYPE_LENGTH(t))
 891
 892 /* Allocate space for storing data associated with a particular type.
 893    We ensure that the space is allocated using the same mechanism that
 894    was used to allocate the space for the type structure itself.  I.E.
 895    if the type is on an objfile's type_obstack, then the space for data
 896    associated with that type will also be allocated on the type_obstack.
 897    If the type is not associated with any particular objfile (such as
 898    builtin types), then the data space will be allocated with xmalloc,
 899    the same as for the type structure. */
 900
 901 #define TYPE_ALLOC(t,size)  \
 902    (TYPE_OBJFILE (t) != NULL  \
 903     ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
 904     : xmalloc (size))
 905
 906 extern struct type *
 907 alloc_type PARAMS ((struct objfile *));
 908
 909 extern struct type *
 910 init_type PARAMS ((enum type_code, int, int, char *, struct objfile *));
 911
 912 extern struct type *
 913 lookup_reference_type PARAMS ((struct type *));
 914
 915 extern struct type *
 916 make_reference_type PARAMS ((struct type *, struct type **));
 917
 918 extern struct type *
 919 make_cv_type PARAMS ((int, int, struct type *, struct type **));
 920
 921 extern struct type *
 922 lookup_member_type PARAMS ((struct type *, struct type *));
 923
 924 extern void
 925 smash_to_method_type PARAMS ((struct type *, struct type *, struct type *,
 926                               struct type **));
 927
 928 extern void
 929 smash_to_member_type PARAMS ((struct type *, struct type *, struct type *));
 930
 931 extern struct type *
 932 allocate_stub_method PARAMS ((struct type *));
 933
 934 extern char *
 935 type_name_no_tag PARAMS ((const struct type *));
 936
 937 extern struct type *
 938 lookup_struct_elt_type PARAMS ((struct type *, char *, int));
 939
 940 extern struct type *
 941 make_pointer_type PARAMS ((struct type *, struct type **));
 942
 943 extern struct type *
 944 lookup_pointer_type PARAMS ((struct type *));
 945
 946 extern struct type *
 947 make_function_type PARAMS ((struct type *, struct type **));
 948
 949 extern struct type *
 950 lookup_function_type PARAMS ((struct type *));
 951
 952 extern struct type *
 953 create_range_type PARAMS ((struct type *, struct type *, int, int));
 954
 955 extern struct type *
 956 create_array_type PARAMS ((struct type *, struct type *, struct type *));
 957
 958 extern struct type *
 959 create_string_type PARAMS ((struct type *, struct type *));
 960
 961 extern struct type *create_set_type PARAMS ((struct type *, struct type *));
 962
 963 extern int chill_varying_type PARAMS ((struct type*));
 964
 965 extern struct type *
 966 lookup_unsigned_typename PARAMS ((char *));
 967
 968 extern struct type *
 969 lookup_signed_typename PARAMS ((char *));
 970
 971 extern struct type *
 972 check_typedef PARAMS ((struct type *));
 973
 974 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
 975
 976 extern void
 977 check_stub_method PARAMS ((struct type *, int, int));
 978
 979 extern struct type *
 980 lookup_primitive_typename PARAMS ((char *));
 981
 982 extern char *
 983 gdb_mangle_name PARAMS ((struct type *, int, int));
 984
 985 extern struct type *
 986 builtin_type PARAMS ((char **));
 987
 988 extern struct type *
 989 lookup_typename PARAMS ((char *, struct block *, int));
 990
 991 extern struct type *
 992 lookup_template_type PARAMS ((char *, struct type *, struct block *));
 993
 994 extern struct type *
 995 lookup_fundamental_type PARAMS ((struct objfile *, int));
 996
 997 extern void
 998 fill_in_vptr_fieldno PARAMS ((struct type *));
 999
1000 extern int get_destructor_fn_field PARAMS ((struct type *, int *, int *));
1001
1002 extern int get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*));
1003
1004 extern int
1005 get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*));
1006
1007 extern int
1008 is_ancestor PARAMS ((struct type *, struct type *));
1009
1010 extern int
1011 has_vtable PARAMS ((struct type *));
1012
1013 extern struct type *
1014 primary_base_class PARAMS ((struct type *));
1015
1016 extern struct type **
1017 virtual_base_list PARAMS ((struct type *));
1018
1019 extern int
1020 virtual_base_list_length PARAMS ((struct type *));
1021 extern int
1022 virtual_base_list_length_skip_primaries PARAMS ((struct type *));
1023
1024 extern int
1025 virtual_base_index PARAMS ((struct type *, struct type *));
1026 extern int
1027 virtual_base_index_skip_primaries PARAMS ((struct type *, struct type *));
1028
1029
1030 extern int
1031 class_index_in_primary_list PARAMS ((struct type *));
1032
1033 extern int
1034 count_virtual_fns PARAMS ((struct type*));
1035
1036 /* Constants for HP/Taligent ANSI C++ runtime model */
1037
1038 /* Where virtual function entries begin in the
1039  * virtual table, in the non-RRBC vtable format.
1040  * First 4 are the metavtable pointer, top offset,
1041  * typeinfo pointer, and dup base info pointer */
1042 #define HP_ACC_VFUNC_START        4
1043
1044 /* (Negative) Offset where virtual base offset entries begin
1045  * in the virtual table. Skips over metavtable pointer and
1046  * the self-offset entry.
1047  * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
1048  * appear before the address point of the vtable (the slot
1049  * pointed to by the object's vtable pointer), i.e. at lower
1050  * addresses than the vtable pointer. */
1051 #define HP_ACC_VBASE_START        2
1052
1053 /* (Positive) Offset where the pointer to the typeinfo
1054  * object is present in the virtual table */
1055 #define HP_ACC_TYPEINFO_OFFSET    2
1056
1057 /* (Positive) Offset where the ``top offset'' entry of
1058  * the virtual table is */
1059 #define HP_ACC_TOP_OFFSET_OFFSET  1
1060
1061 /* Overload resolution */
1062
1063 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1064
1065 /* Badness if parameter list length doesn't match arg list length */
1066 #define LENGTH_MISMATCH_BADNESS      100
1067 /* Dummy badness value for nonexistent parameter positions */
1068 #define TOO_FEW_PARAMS_BADNESS       100
1069 /* Badness if no conversion among types */
1070 #define INCOMPATIBLE_TYPE_BADNESS    100
1071 /* Badness of coercing large integer to smaller size */
1072 #define INTEGER_COERCION_BADNESS     100
1073 /* Badness of coercing large floating type to smaller size */
1074 #define FLOAT_COERCION_BADNESS       100
1075
1076 /* Badness of integral promotion */
1077 #define INTEGER_PROMOTION_BADNESS      1
1078 /* Badness of floating promotion */
1079 #define FLOAT_PROMOTION_BADNESS        1
1080 /* Badness of integral conversion */
1081 #define INTEGER_CONVERSION_BADNESS     2
1082 /* Badness of floating conversion */
1083 #define FLOAT_CONVERSION_BADNESS       2
1084 /* Badness of integer<->floating conversions */
1085 #define INT_FLOAT_CONVERSION_BADNESS   2
1086 /* Badness of converting to a boolean */
1087 #define BOOLEAN_CONVERSION_BADNESS     2
1088 /* Badness of pointer conversion */
1089 #define POINTER_CONVERSION_BADNESS     2
1090 /* Badness of conversion of pointer to void pointer */
1091 #define VOID_PTR_CONVERSION_BADNESS    2
1092 /* Badness of convering derived to base class */
1093 #define BASE_CONVERSION_BADNESS        2
1094
1095 /* Non-standard conversions allowed by the debugger */
1096 /* Converting a pointer to an int is usually OK */
1097 #define NS_POINTER_CONVERSION_BADNESS 10
1098
1099
1100 extern int
1101 compare_badness PARAMS ((struct badness_vector *, struct badness_vector *));
1102
1103 extern struct badness_vector *
1104 rank_function PARAMS ((struct type **, int, struct type **, int));
1105
1106 extern int
1107 rank_one_type PARAMS ((struct type *, struct type *));
1108
1109
1110 #if MAINTENANCE_CMDS
1111 extern void recursive_dump_type PARAMS ((struct type *, int));
1112 #endif
1113
1114 /* printcmd.c */
1115
1116 extern void
1117 print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *));
1118
1119 extern int can_dereference PARAMS ((struct type *));
1120
1121 #if MAINTENANCE_CMDS
1122 extern void maintenance_print_type PARAMS ((char *, int));
1123 #endif
1124
1125 /* typeprint.c */
1126
1127 extern void print_type_scalar PARAMS ((struct type *, LONGEST, GDB_FILE *));
1128
1129 #endif  /* GDBTYPES_H */