gdb/gdbtypes.h

   1 /* Internal type definitions for GDB.
   2    Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
   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,
  21    Boston, MA 02111-1307, USA.  */
  22
  23 #if !defined (GDBTYPES_H)
  24 #define GDBTYPES_H 1
  25
  26 /* Codes for `fundamental types'.  This is a monstrosity based on the
  27    bogus notion that there are certain compiler-independent
  28    `fundamental types'.  None of these is well-defined (how big is
  29    FT_SHORT?  Does it depend on the language?  How does the
  30    language-specific code know which type to correlate to FT_SHORT?)  */
  31
  32 #define FT_VOID                 0
  33 #define FT_BOOLEAN              1
  34 #define FT_CHAR                 2       /* we use this for not-unsigned C/C++ chars */
  35 #define FT_SIGNED_CHAR          3       /* we use this for C++ signed chars */
  36 #define FT_UNSIGNED_CHAR        4       /* we use this for C/C++ unsigned chars */
  37 #define FT_SHORT                5
  38 #define FT_SIGNED_SHORT         6
  39 #define FT_UNSIGNED_SHORT       7
  40 #define FT_INTEGER              8
  41 #define FT_SIGNED_INTEGER       9
  42 #define FT_UNSIGNED_INTEGER     10
  43 #define FT_LONG                 11
  44 #define FT_SIGNED_LONG          12
  45 #define FT_UNSIGNED_LONG        13
  46 #define FT_LONG_LONG            14
  47 #define FT_SIGNED_LONG_LONG     15
  48 #define FT_UNSIGNED_LONG_LONG   16
  49 #define FT_FLOAT                17
  50 #define FT_DBL_PREC_FLOAT       18
  51 #define FT_EXT_PREC_FLOAT       19
  52 #define FT_COMPLEX              20
  53 #define FT_DBL_PREC_COMPLEX     21
  54 #define FT_EXT_PREC_COMPLEX     22
  55 #define FT_STRING               23
  56 #define FT_FIXED_DECIMAL        24
  57 #define FT_FLOAT_DECIMAL        25
  58 #define FT_BYTE                 26
  59 #define FT_UNSIGNED_BYTE        27
  60 #define FT_TEMPLATE_ARG         28
  61
  62 #define FT_NUM_MEMBERS          29      /* Highest FT_* above, plus one. */
  63
  64 /* Some macros for char-based bitfields.  */
  65
  66 #define B_SET(a,x)      ((a)[(x)>>3] |= (1 << ((x)&7)))
  67 #define B_CLR(a,x)      ((a)[(x)>>3] &= ~(1 << ((x)&7)))
  68 #define B_TST(a,x)      ((a)[(x)>>3] & (1 << ((x)&7)))
  69 #define B_TYPE          unsigned char
  70 #define B_BYTES(x)      ( 1 + ((x)>>3) )
  71 #define B_CLRALL(a,x)   memset ((a), 0, B_BYTES(x))
  72
  73 /* Different kinds of data types are distinguished by the `code' field.  */
  74
  75 enum type_code
  76   {
  77     TYPE_CODE_UNDEF,            /* Not used; catches errors */
  78     TYPE_CODE_PTR,              /* Pointer type */
  79     TYPE_CODE_ARRAY,            /* Array type with lower & upper bounds. */
  80     TYPE_CODE_STRUCT,           /* C struct or Pascal record */
  81     TYPE_CODE_UNION,            /* C union or Pascal variant part */
  82     TYPE_CODE_ENUM,             /* Enumeration type */
  83     TYPE_CODE_FUNC,             /* Function type */
  84     TYPE_CODE_INT,              /* Integer type */
  85
  86     /* Floating type.  This is *NOT* a complex type.  Beware, there are parts
  87        of GDB which bogusly assume that TYPE_CODE_FLT can mean complex.  */
  88     TYPE_CODE_FLT,
  89
  90     /* Void type.  The length field specifies the length (probably always
  91        one) which is used in pointer arithmetic involving pointers to
  92        this type, but actually dereferencing such a pointer is invalid;
  93        a void type has no length and no actual representation in memory
  94        or registers.  A pointer to a void type is a generic pointer.  */
  95     TYPE_CODE_VOID,
  96
  97     TYPE_CODE_SET,              /* Pascal sets */
  98     TYPE_CODE_RANGE,            /* Range (integers within spec'd bounds) */
  99
 100     /* A string type which is like an array of character but prints
 101        differently (at least for CHILL).  It does not contain a length
 102        field as Pascal strings (for many Pascals, anyway) do; if we want
 103        to deal with such strings, we should use a new type code.  */
 104     TYPE_CODE_STRING,
 105
 106     /* String of bits; like TYPE_CODE_SET but prints differently (at least
 107        for CHILL).  */
 108     TYPE_CODE_BITSTRING,
 109
 110     /* Unknown type.  The length field is valid if we were able to
 111        deduce that much about the type, or 0 if we don't even know that.  */
 112     TYPE_CODE_ERROR,
 113
 114     /* C++ */
 115     TYPE_CODE_MEMBER,           /* Member type */
 116     TYPE_CODE_METHOD,           /* Method type */
 117     TYPE_CODE_REF,              /* C++ Reference types */
 118
 119     TYPE_CODE_CHAR,             /* *real* character type */
 120
 121     /* Boolean type.  0 is false, 1 is true, and other values are non-boolean
 122        (e.g. FORTRAN "logical" used as unsigned int).  */
 123     TYPE_CODE_BOOL,
 124
 125     /* Fortran */
 126     TYPE_CODE_COMPLEX,          /* Complex float */
 127
 128     TYPE_CODE_TYPEDEF,
 129     TYPE_CODE_TEMPLATE,         /* C++ template */
 130     TYPE_CODE_TEMPLATE_ARG      /* C++ template arg */
 131
 132   };
 133
 134 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
 135    alias for TYPE_CODE_STRUCT.  This is for DWARF, which has a distinct
 136    "class" attribute.  Perhaps we should actually have a separate TYPE_CODE
 137    so that we can print "class" or "struct" depending on what the debug
 138    info said.  It's not clear we should bother.  */
 139
 140 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
 141
 142 /* Some bits for the type's flags word. */
 143
 144 /* Unsigned integer type.  If this is not set for a TYPE_CODE_INT, the
 145    type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
 146
 147 #define TYPE_FLAG_UNSIGNED      (1 << 0)
 148
 149 /* No sign for this type.  In C++, "char", "signed char", and "unsigned
 150    char" are distinct types; so we need an extra flag to indicate the
 151    absence of a sign! */
 152
 153 #define TYPE_FLAG_NOSIGN        (1 << 1)
 154
 155 /* This appears in a type's flags word if it is a stub type (e.g., if
 156    someone referenced a type that wasn't defined in a source file
 157    via (struct sir_not_appearing_in_this_film *)).  */
 158
 159 #define TYPE_FLAG_STUB          (1 << 2)
 160
 161 /* The target type of this type is a stub type, and this type needs to
 162    be updated if it gets un-stubbed in check_typedef.
 163    Used for arrays and ranges, in which TYPE_LENGTH of the array/range
 164    gets set based on the TYPE_LENGTH of the target type.
 165    Also, set for TYPE_CODE_TYPEDEF. */
 166
 167 #define TYPE_FLAG_TARGET_STUB (1 << 3)
 168
 169 /* Static type.  If this is set, the corresponding type had
 170  * a static modifier.
 171  * Note: This may be unnecessary, since static data members
 172  * are indicated by other means (bitpos == -1)
 173  */
 174
 175 #define TYPE_FLAG_STATIC (1 << 4)
 176
 177 /* Constant type.  If this is set, the corresponding type has a
 178  * const modifier.
 179  */
 180
 181 #define TYPE_FLAG_CONST (1 << 5)
 182
 183 /* Volatile type.  If this is set, the corresponding type has a
 184  * volatile modifier.
 185  */
 186
 187 #define TYPE_FLAG_VOLATILE (1 << 6)
 188
 189
 190 /* This is a function type which appears to have a prototype.  We need this
 191    for function calls in order to tell us if it's necessary to coerce the args,
 192    or to just do the standard conversions.  This is used with a short field. */
 193
 194 #define TYPE_FLAG_PROTOTYPED (1 << 7)
 195
 196 /* This flag is used to indicate that processing for this type
 197    is incomplete.
 198
 199    (Mostly intended for HP platforms, where class methods, for
 200    instance, can be encountered before their classes in the debug
 201    info; the incomplete type has to be marked so that the class and
 202    the method can be assigned correct types.) */
 203
 204 #define TYPE_FLAG_INCOMPLETE (1 << 8)
 205
 206
 207 struct type
 208   {
 209
 210     /* Code for kind of type */
 211
 212     enum type_code code;
 213
 214     /* Name of this type, or NULL if none.
 215
 216        This is used for printing only, except by poorly designed C++ code.
 217        For looking up a name, look for a symbol in the VAR_NAMESPACE.  */
 218
 219     char *name;
 220
 221     /* Tag name for this type, or NULL if none.  This means that the
 222        name of the type consists of a keyword followed by the tag name.
 223        Which keyword is determined by the type code ("struct" for
 224        TYPE_CODE_STRUCT, etc.).  As far as I know C/C++ are the only languages
 225        with this feature.
 226
 227        This is used for printing only, except by poorly designed C++ code.
 228        For looking up a name, look for a symbol in the STRUCT_NAMESPACE.
 229        One more legitimate use is that if TYPE_FLAG_STUB is set, this is
 230        the name to use to look for definitions in other files.  */
 231
 232     char *tag_name;
 233
 234     /* Length of storage for a value of this type.  This is of length
 235        of the type as defined by the debug info and not the length of
 236        the value that resides within the type.  For instance, an
 237        i386-ext floating-point value only occupies 80 bits of what is
 238        typically a 12 byte `long double'.  Various places pass this to
 239        memcpy and such, meaning it must be in units of HOST_CHAR_BIT.
 240        Various other places expect they can calculate addresses by
 241        adding it and such, meaning it must be in units of
 242        TARGET_CHAR_BIT.  For some DSP targets, in which HOST_CHAR_BIT
 243        will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32,
 244        this is a problem.  One fix would be to make this field in bits
 245        (requiring that it always be a multiple of HOST_CHAR_BIT and
 246        TARGET_CHAR_BIT)--the other choice would be to make it
 247        consistently in units of HOST_CHAR_BIT.  */
 248
 249     unsigned length;
 250
 251     /* FIXME, these should probably be restricted to a Fortran-specific
 252        field in some fashion.  */
 253 #define BOUND_CANNOT_BE_DETERMINED   5
 254 #define BOUND_BY_REF_ON_STACK        4
 255 #define BOUND_BY_VALUE_ON_STACK      3
 256 #define BOUND_BY_REF_IN_REG          2
 257 #define BOUND_BY_VALUE_IN_REG        1
 258 #define BOUND_SIMPLE                 0
 259     int upper_bound_type;
 260     int lower_bound_type;
 261
 262     /* Every type is now associated with a particular objfile, and the
 263        type is allocated on the type_obstack for that objfile.  One problem
 264        however, is that there are times when gdb allocates new types while
 265        it is not in the process of reading symbols from a particular objfile.
 266        Fortunately, these happen when the type being created is a derived
 267        type of an existing type, such as in lookup_pointer_type().  So
 268        we can just allocate the new type using the same objfile as the
 269        existing type, but to do this we need a backpointer to the objfile
 270        from the existing type.  Yes this is somewhat ugly, but without
 271        major overhaul of the internal type system, it can't be avoided
 272        for now. */
 273
 274     struct objfile *objfile;
 275
 276     /* For a pointer type, describes the type of object pointed to.
 277        For an array type, describes the type of the elements.
 278        For a function or method type, describes the type of the return value.
 279        For a range type, describes the type of the full range.
 280        For a complex type, describes the type of each coordinate.
 281        Unused otherwise.  */
 282
 283     struct type *target_type;
 284
 285     /* Type that is a pointer to this type.
 286        NULL if no such pointer-to type is known yet.
 287        The debugger may add the address of such a type
 288        if it has to construct one later.  */
 289
 290     struct type *pointer_type;
 291
 292     /* C++: also need a reference type.  */
 293
 294     struct type *reference_type;
 295
 296     /* C-v variant chain. This points to a type that
 297        differs from this one only in a const or volatile
 298        attribute (or both). The various c-v variants
 299        are chained together in a ring. */
 300     struct type *cv_type;
 301
 302     /* Flags about this type.  */
 303
 304     int flags;
 305
 306     /* Number of fields described for this type */
 307
 308     short nfields;
 309
 310     /* For structure and union types, a description of each field.
 311        For set and pascal array types, there is one "field",
 312        whose type is the domain type of the set or array.
 313        For range types, there are two "fields",
 314        the minimum and maximum values (both inclusive).
 315        For enum types, each possible value is described by one "field".
 316        For a function type, a "field" for each parameter type.
 317        For C++ classes, there is one field for each base class (if it is
 318        a derived class) plus one field for each class data member.  Member
 319        functions are recorded elsewhere.
 320
 321        Using a pointer to a separate array of fields
 322        allows all types to have the same size, which is useful
 323        because we can allocate the space for a type before
 324        we know what to put in it.  */
 325
 326     struct field
 327       {
 328
 329
 330
 331         union field_location
 332           {
 333             /* Position of this field, counting in bits from start of
 334                containing structure.
 335                For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
 336                For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
 337                For a function type, this is the position in the argument list
 338                of this argument.
 339                For a range bound or enum value, this is the value itself. */
 340
 341             int bitpos;
 342
 343             /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
 344                is the location (in the target) of the static field.
 345                Otherwise, physname is the mangled label of the static field. */
 346
 347             CORE_ADDR physaddr;
 348             char *physname;
 349           }
 350         loc;
 351
 352         /* Size of this field, in bits, or zero if not packed.
 353            For an unpacked field, the field's type's length
 354            says how many bytes the field occupies.
 355            A value of -1 or -2 indicates a static field;  -1 means the location
 356            is specified by the label loc.physname;  -2 means that loc.physaddr
 357            specifies the actual address. */
 358
 359         int bitsize;
 360
 361         /* In a struct or union type, type of this field.
 362            In a function type, type of this argument.
 363            In an array type, the domain-type of the array.  */
 364
 365         struct type *type;
 366
 367         /* Name of field, value or argument.
 368            NULL for range bounds and array domains.  */
 369
 370         char *name;
 371
 372       }
 373      *fields;
 374
 375     /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
 376        is the base class which defined the virtual function table pointer.
 377
 378        For types that are pointer to member types (TYPE_CODE_MEMBER),
 379        VPTR_BASETYPE is the type that this pointer is a member of.
 380
 381        For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
 382        type that contains the method.
 383
 384        Unused otherwise.  */
 385
 386     struct type *vptr_basetype;
 387
 388     /* Field number of the virtual function table pointer in
 389        VPTR_BASETYPE.  If -1, we were unable to find the virtual
 390        function table pointer in initial symbol reading, and
 391        fill_in_vptr_fieldno should be called to find it if possible.
 392
 393        Unused if this type does not have virtual functions.  */
 394
 395     int vptr_fieldno;
 396
 397     /* Slot to point to additional language-specific fields of this type.  */
 398
 399     union type_specific
 400       {
 401
 402         /* ARG_TYPES is for TYPE_CODE_METHOD.
 403            Contains the type of each argument, ending with a void type
 404            after the last argument for normal member functions or a NULL
 405            pointer after the last argument for functions with variable
 406            arguments.  */
 407
 408         struct type **arg_types;
 409
 410         /* CPLUS_STUFF is for TYPE_CODE_STRUCT.  It is initialized to point to
 411            cplus_struct_default, a default static instance of a struct
 412            cplus_struct_type. */
 413
 414         struct cplus_struct_type *cplus_stuff;
 415
 416         /* FLOATFORMAT is for TYPE_CODE_FLT.  It is a pointer to the
 417            floatformat object that describes the floating-point value
 418            that resides within the type.  */
 419
 420         const struct floatformat *floatformat;
 421       }
 422     type_specific;
 423   };
 424
 425 #define NULL_TYPE ((struct type *) 0)
 426
 427 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
 428    nodes.  */
 429
 430 struct cplus_struct_type
 431   {
 432     /* Number of base classes this type derives from.  The baseclasses are
 433        stored in the first N_BASECLASSES fields (i.e. the `fields' field of
 434        the struct type).  I think only the `type' field of such a field has
 435        any meaning.  */
 436
 437     short n_baseclasses;
 438
 439     /* Number of methods with unique names.  All overloaded methods with
 440        the same name count only once. */
 441
 442     short nfn_fields;
 443
 444     /* Number of methods described for this type, not including the
 445        methods that it derives from.  */
 446
 447     short nfn_fields_total;
 448
 449     /* The "declared_type" field contains a code saying how the
 450        user really declared this type, e.g., "class s", "union s",
 451        "struct s".
 452        The 3 above things come out from the C++ compiler looking like classes,
 453        but we keep track of the real declaration so we can give
 454        the correct information on "ptype". (Note: TEMPLATE may not
 455        belong in this list...)  */
 456
 457 #define DECLARED_TYPE_CLASS 0
 458 #define DECLARED_TYPE_UNION 1
 459 #define DECLARED_TYPE_STRUCT 2
 460 #define DECLARED_TYPE_TEMPLATE 3
 461     short declared_type;        /* One of the above codes */
 462
 463     /* For derived classes, the number of base classes is given by n_baseclasses
 464        and virtual_field_bits is a bit vector containing one bit per base class.
 465        If the base class is virtual, the corresponding bit will be set.
 466        I.E, given:
 467
 468        class A{};
 469        class B{};
 470        class C : public B, public virtual A {};
 471
 472        B is a baseclass of C; A is a virtual baseclass for C.
 473        This is a C++ 2.0 language feature. */
 474
 475     B_TYPE *virtual_field_bits;
 476
 477     /* For classes with private fields, the number of fields is given by
 478        nfields and private_field_bits is a bit vector containing one bit
 479        per field.
 480        If the field is private, the corresponding bit will be set. */
 481
 482     B_TYPE *private_field_bits;
 483
 484     /* For classes with protected fields, the number of fields is given by
 485        nfields and protected_field_bits is a bit vector containing one bit
 486        per field.
 487        If the field is private, the corresponding bit will be set. */
 488
 489     B_TYPE *protected_field_bits;
 490
 491     /* for classes with fields to be ignored, either this is optimized out
 492        or this field has length 0 */
 493
 494     B_TYPE *ignore_field_bits;
 495
 496     /* For classes, structures, and unions, a description of each field,
 497        which consists of an overloaded name, followed by the types of
 498        arguments that the method expects, and then the name after it
 499        has been renamed to make it distinct.
 500
 501        fn_fieldlists points to an array of nfn_fields of these. */
 502
 503     struct fn_fieldlist
 504       {
 505
 506         /* The overloaded name.  */
 507
 508         char *name;
 509
 510         /* The number of methods with this name.  */
 511
 512         int length;
 513
 514         /* The list of methods.  */
 515
 516         struct fn_field
 517           {
 518
 519             /* If is_stub is clear, this is the mangled name which we can
 520                look up to find the address of the method (FIXME: it would
 521                be cleaner to have a pointer to the struct symbol here
 522                instead).  */
 523
 524             /* If is_stub is set, this is the portion of the mangled
 525                name which specifies the arguments.  For example, "ii",
 526                if there are two int arguments, or "" if there are no
 527                arguments.  See gdb_mangle_name for the conversion from this
 528                format to the one used if is_stub is clear.  */
 529
 530             char *physname;
 531
 532             /* The function type for the method.
 533                (This comment used to say "The return value of the method",
 534                but that's wrong. The function type
 535                is expected here, i.e. something with TYPE_CODE_FUNC,
 536                and *not* the return-value type). */
 537
 538             struct type *type;
 539
 540             /* The argument list.  Only valid if is_stub is clear.  Contains
 541                the type of each argument, including `this', and ending with
 542                a NULL pointer after the last argument.  Should not contain
 543                a `this' pointer for static member functions.  */
 544
 545             struct type **args;
 546
 547             /* For virtual functions.
 548                First baseclass that defines this virtual function.   */
 549
 550             struct type *fcontext;
 551
 552             /* Attributes. */
 553
 554             unsigned int is_const:1;
 555             unsigned int is_volatile:1;
 556             unsigned int is_private:1;
 557             unsigned int is_protected:1;
 558             unsigned int is_public:1;
 559             unsigned int is_abstract:1;
 560             unsigned int is_static:1;
 561             unsigned int is_final:1;
 562             unsigned int is_synchronized:1;
 563             unsigned int is_native:1;
 564
 565             /* A stub method only has some fields valid (but they are enough
 566                to reconstruct the rest of the fields).  */
 567             unsigned int is_stub:1;
 568
 569             /* C++ method that is inlined */
 570             unsigned int is_inlined:1;
 571
 572             /* Unused.  */
 573             unsigned int dummy:4;
 574
 575             /* Index into that baseclass's virtual function table,
 576                minus 2; else if static: VOFFSET_STATIC; else: 0.  */
 577
 578             unsigned int voffset:16;
 579
 580 #define VOFFSET_STATIC 1
 581
 582           }
 583          *fn_fields;
 584
 585       }
 586      *fn_fieldlists;
 587
 588     /* If this "struct type" describes a template, then it
 589      * has arguments. "template_args" points to an array of
 590      * template arg descriptors, of length "ntemplate_args".
 591      * The only real information in each of these template arg descriptors
 592      * is a name. "type" will typically just point to a "struct type" with
 593      * the placeholder TYPE_CODE_TEMPLATE_ARG type.
 594      */
 595     short ntemplate_args;
 596     struct template_arg
 597       {
 598         char *name;
 599         struct type *type;
 600       }
 601      *template_args;
 602
 603     /* If this "struct type" describes a template, it has a list
 604      * of instantiations. "instantiations" is a pointer to an array
 605      * of type's, one representing each instantiation. There
 606      * are "ninstantiations" elements in this array.
 607      */
 608     short ninstantiations;
 609     struct type **instantiations;
 610
 611     /* The following points to information relevant to the runtime model
 612      * of the compiler.
 613      * Currently being used only for HP's ANSI C++ compiler.
 614      * (This type may have to be changed/enhanced for other compilers.)
 615      *
 616      * RUNTIME_PTR is NULL if there is no runtime information (currently
 617      * this means the type was not compiled by HP aCC).
 618      *
 619      * Fields in structure pointed to:
 620      * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
 621      *
 622      * ->PRIMARY_BASE points to the first non-virtual base class that has
 623      * a virtual table.
 624      *
 625      * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
 626      * point to the type information for all virtual bases among this type's
 627      * ancestors.
 628      */
 629     struct runtime_info
 630       {
 631         short has_vtable;
 632         struct type *primary_base;
 633         struct type **virtual_base_list;
 634       }
 635      *runtime_ptr;
 636
 637     /* Pointer to information about enclosing scope, if this is a
 638      * local type.  If it is not a local type, this is NULL
 639      */
 640     struct local_type_info
 641       {
 642         char *file;
 643         int line;
 644       }
 645      *localtype_ptr;
 646   };
 647
 648 /* Struct used in computing virtual base list */
 649 struct vbase
 650   {
 651     struct type *vbasetype;     /* pointer to virtual base */
 652     struct vbase *next;         /* next in chain */
 653   };
 654
 655 /* Struct used for ranking a function for overload resolution */
 656 struct badness_vector
 657   {
 658     int length;
 659     int *rank;
 660   };
 661
 662 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
 663    this shared static structure. */
 664
 665 extern const struct cplus_struct_type cplus_struct_default;
 666
 667 extern void allocate_cplus_struct_type (struct type *);
 668
 669 #define INIT_CPLUS_SPECIFIC(type) \
 670   (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
 671 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
 672 #define HAVE_CPLUS_STRUCT(type) \
 673   (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
 674
 675 #define TYPE_NAME(thistype) (thistype)->name
 676 #define TYPE_TAG_NAME(type) ((type)->tag_name)
 677 #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
 678 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
 679 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
 680 #define TYPE_CV_TYPE(thistype) (thistype)->cv_type
 681 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
 682    But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
 683    so you only have to call check_typedef once.  Since allocate_value
 684    calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe.  */
 685 #define TYPE_LENGTH(thistype) (thistype)->length
 686 #define TYPE_OBJFILE(thistype) (thistype)->objfile
 687 #define TYPE_FLAGS(thistype) (thistype)->flags
 688 #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
 689 #define TYPE_NOSIGN(thistype) ((thistype)->flags & TYPE_FLAG_NOSIGN)
 690 #define TYPE_CONST(thistype) ((thistype)->flags & TYPE_FLAG_CONST)
 691 #define TYPE_VOLATILE(thistype) ((thistype)->flags & TYPE_FLAG_VOLATILE)
 692 #define TYPE_INCOMPLETE(thistype) ((thistype)->flags & TYPE_FLAG_INCOMPLETE)
 693 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real
 694    type, you need to do TYPE_CODE (check_type (this_type)). */
 695 #define TYPE_CODE(thistype) (thistype)->code
 696 #define TYPE_NFIELDS(thistype) (thistype)->nfields
 697 #define TYPE_FIELDS(thistype) (thistype)->fields
 698 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
 699 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
 700
 701 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
 702 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
 703 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
 704
 705 /* Moto-specific stuff for FORTRAN arrays */
 706
 707 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type
 708 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type
 709
 710 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
 711    (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
 712
 713 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
 714    (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
 715
 716 /* C++ */
 717
 718 #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
 719 #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
 720 #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
 721 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
 722 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
 723 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
 724 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
 725 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
 726 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
 727 #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
 728 #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
 729 #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
 730 #define TYPE_FLOATFORMAT(thistype) (thistype)->type_specific.floatformat
 731 #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
 732 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
 733 #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
 734 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
 735 #define BASETYPE_VIA_PUBLIC(thistype, index) \
 736   ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
 737
 738 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
 739   (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
 740     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
 741
 742 #define FIELD_TYPE(thisfld) ((thisfld).type)
 743 #define FIELD_NAME(thisfld) ((thisfld).name)
 744 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
 745 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
 746 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
 747 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
 748 #define SET_FIELD_PHYSNAME(thisfld, name) \
 749   ((thisfld).bitsize = -1, FIELD_PHYSNAME(thisfld) = (name))
 750 #define SET_FIELD_PHYSADDR(thisfld, name) \
 751   ((thisfld).bitsize = -2, FIELD_PHYSADDR(thisfld) = (name))
 752 #define TYPE_FIELD(thistype, n) (thistype)->fields[n]
 753 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
 754 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
 755 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
 756 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
 757 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
 758 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
 759 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
 760
 761 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
 762   TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
 763 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
 764   TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
 765 #define TYPE_FIELD_IGNORE_BITS(thistype) \
 766   TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
 767 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
 768   TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
 769 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
 770   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
 771 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
 772   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
 773 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
 774   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
 775 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
 776   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
 777 #define TYPE_FIELD_PRIVATE(thistype, n) \
 778   (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
 779     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
 780 #define TYPE_FIELD_PROTECTED(thistype, n) \
 781   (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
 782     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
 783 #define TYPE_FIELD_IGNORE(thistype, n) \
 784   (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
 785     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
 786 #define TYPE_FIELD_VIRTUAL(thistype, n) \
 787   (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
 788     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
 789
 790 #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitsize < 0)
 791 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) ((thistype)->fields[n].bitsize == -2)
 792 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
 793 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
 794
 795 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
 796 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
 797 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
 798 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
 799 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
 800
 801 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
 802 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
 803 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
 804 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
 805 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
 806 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
 807 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
 808 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
 809 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
 810 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
 811 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
 812 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
 813 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
 814 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
 815 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
 816 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
 817 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
 818 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
 819 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
 820 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
 821
 822 #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
 823 #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
 824 #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
 825 #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
 826 #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
 827
 828 #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
 829 #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
 830 #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
 831
 832 #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) ||        \
 833                                    (TYPE_CODE (thistype) == TYPE_CODE_UNION))        && \
 834                                   (TYPE_NFIELDS (thistype) == 0)                     && \
 835                                   (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
 836
 837
 838
 839 /* Implicit sizes */
 840 extern struct type *builtin_type_void;
 841 extern struct type *builtin_type_char;
 842 extern struct type *builtin_type_short;
 843 extern struct type *builtin_type_int;
 844 extern struct type *builtin_type_long;
 845 extern struct type *builtin_type_signed_char;
 846 extern struct type *builtin_type_unsigned_char;
 847 extern struct type *builtin_type_unsigned_short;
 848 extern struct type *builtin_type_unsigned_int;
 849 extern struct type *builtin_type_unsigned_long;
 850 extern struct type *builtin_type_float;
 851 extern struct type *builtin_type_double;
 852 extern struct type *builtin_type_long_double;
 853 extern struct type *builtin_type_complex;
 854 extern struct type *builtin_type_double_complex;
 855 extern struct type *builtin_type_string;
 856 extern struct type *builtin_type_bool;
 857
 858 /* Address/pointer types: */
 859 /* (C) Language `pointer to data' type.  Some target platforms use an
 860    implicitly {sign,zero} -extended 32 bit C language pointer on a 64
 861    bit ISA.  */
 862 extern struct type *builtin_type_void_data_ptr;
 863
 864 /* (C) Language `pointer to function returning void' type.  Since
 865    ANSI, C standards have explicitly said that pointers to functions
 866    and pointers to data are not interconvertible --- that is, you
 867    can't cast a function pointer to void * and back, and expect to get
 868    the same value.  However, all function pointer types are
 869    interconvertible, so void (*) () can server as a generic function
 870    pointer.  */
 871 extern struct type *builtin_type_void_func_ptr;
 872
 873 /* The target CPU's address type.  This is the ISA address size. */
 874 extern struct type *builtin_type_CORE_ADDR;
 875 /* The symbol table address type.  Some object file formats have a 32
 876    bit address type even though the TARGET has a 64 bit pointer type
 877    (cf MIPS). */
 878 extern struct type *builtin_type_bfd_vma;
 879
 880 /* Explicit sizes - see C9X <intypes.h> for naming scheme */
 881 extern struct type *builtin_type_int8;
 882 extern struct type *builtin_type_uint8;
 883 extern struct type *builtin_type_int16;
 884 extern struct type *builtin_type_uint16;
 885 extern struct type *builtin_type_int32;
 886 extern struct type *builtin_type_uint32;
 887 extern struct type *builtin_type_int64;
 888 extern struct type *builtin_type_uint64;
 889
 890 /* SIMD types.  We inherit these names from GCC.  */
 891 extern struct type *builtin_type_v4sf;
 892 extern struct type *builtin_type_v4si;
 893 extern struct type *builtin_type_v8qi;
 894 extern struct type *builtin_type_v4hi;
 895 extern struct type *builtin_type_v2si;
 896
 897 /* Explicit floating-point formats.  See "floatformat.h".  */
 898 extern struct type *builtin_type_ieee_single_big;
 899 extern struct type *builtin_type_ieee_single_little;
 900 extern struct type *builtin_type_ieee_double_big;
 901 extern struct type *builtin_type_ieee_double_little;
 902 extern struct type *builtin_type_ieee_double_littlebyte_bigword;
 903 extern struct type *builtin_type_i387_ext;
 904 extern struct type *builtin_type_m68881_ext;
 905 extern struct type *builtin_type_i960_ext;
 906 extern struct type *builtin_type_m88110_ext;
 907 extern struct type *builtin_type_m88110_harris_ext;
 908 extern struct type *builtin_type_arm_ext_big;
 909 extern struct type *builtin_type_arm_ext_littlebyte_bigword;
 910 extern struct type *builtin_type_ia64_spill_big;
 911 extern struct type *builtin_type_ia64_spill_little;
 912 extern struct type *builtin_type_ia64_quad_big;
 913 extern struct type *builtin_type_ia64_quad_little;
 914
 915 /* We use this for the '/c' print format, because builtin_type_char is
 916    just a one-byte integral type, which languages less laid back than
 917    C will print as ... well, a one-byte integral type.  */
 918 extern struct type *builtin_type_true_char;
 919
 920 /* This type represents a type that was unrecognized in symbol
 921    read-in.  */
 922
 923 extern struct type *builtin_type_error;
 924
 925 extern struct type *builtin_type_long_long;
 926 extern struct type *builtin_type_unsigned_long_long;
 927
 928 /* Modula-2 types */
 929
 930 extern struct type *builtin_type_m2_char;
 931 extern struct type *builtin_type_m2_int;
 932 extern struct type *builtin_type_m2_card;
 933 extern struct type *builtin_type_m2_real;
 934 extern struct type *builtin_type_m2_bool;
 935
 936 /* Chill types */
 937
 938 extern struct type *builtin_type_chill_bool;
 939 extern struct type *builtin_type_chill_char;
 940 extern struct type *builtin_type_chill_long;
 941 extern struct type *builtin_type_chill_ulong;
 942 extern struct type *builtin_type_chill_real;
 943
 944 /* Fortran (F77) types */
 945
 946 extern struct type *builtin_type_f_character;
 947 extern struct type *builtin_type_f_integer;
 948 extern struct type *builtin_type_f_integer_s2;
 949 extern struct type *builtin_type_f_logical;
 950 extern struct type *builtin_type_f_logical_s1;
 951 extern struct type *builtin_type_f_logical_s2;
 952 extern struct type *builtin_type_f_real;
 953 extern struct type *builtin_type_f_real_s8;
 954 extern struct type *builtin_type_f_real_s16;
 955 extern struct type *builtin_type_f_complex_s8;
 956 extern struct type *builtin_type_f_complex_s16;
 957 extern struct type *builtin_type_f_complex_s32;
 958 extern struct type *builtin_type_f_void;
 959
 960 /* RTTI for C++ */
 961 /* extern struct type *builtin_type_cxx_typeinfo; */
 962
 963 /* Maximum and minimum values of built-in types */
 964
 965 #define MAX_OF_TYPE(t)  \
 966    (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
 967     : MAX_OF_SIZE(TYPE_LENGTH(t)))
 968
 969 #define MIN_OF_TYPE(t)  \
 970    (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
 971     : MIN_OF_SIZE(TYPE_LENGTH(t)))
 972
 973 /* Allocate space for storing data associated with a particular type.
 974    We ensure that the space is allocated using the same mechanism that
 975    was used to allocate the space for the type structure itself.  I.E.
 976    if the type is on an objfile's type_obstack, then the space for data
 977    associated with that type will also be allocated on the type_obstack.
 978    If the type is not associated with any particular objfile (such as
 979    builtin types), then the data space will be allocated with xmalloc,
 980    the same as for the type structure. */
 981
 982 #define TYPE_ALLOC(t,size)  \
 983    (TYPE_OBJFILE (t) != NULL  \
 984     ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
 985     : xmalloc (size))
 986
 987 extern struct type *alloc_type (struct objfile *);
 988
 989 extern struct type *init_type (enum type_code, int, int, char *,
 990                                struct objfile *);
 991
 992 extern struct type *lookup_reference_type (struct type *);
 993
 994 extern struct type *make_reference_type (struct type *, struct type **);
 995
 996 extern struct type *make_cv_type (int, int, struct type *, struct type **);
 997
 998 extern struct type *lookup_member_type (struct type *, struct type *);
 999
1000 extern void
1001 smash_to_method_type (struct type *, struct type *, struct type *,
1002                       struct type **);
1003
1004 extern void
1005 smash_to_member_type (struct type *, struct type *, struct type *);
1006
1007 extern struct type *allocate_stub_method (struct type *);
1008
1009 extern char *type_name_no_tag (const struct type *);
1010
1011 extern struct type *lookup_struct_elt_type (struct type *, char *, int);
1012
1013 extern struct type *make_pointer_type (struct type *, struct type **);
1014
1015 extern struct type *lookup_pointer_type (struct type *);
1016
1017 extern struct type *make_function_type (struct type *, struct type **);
1018
1019 extern struct type *lookup_function_type (struct type *);
1020
1021 extern struct type *create_range_type (struct type *, struct type *, int,
1022                                        int);
1023
1024 extern struct type *create_array_type (struct type *, struct type *,
1025                                        struct type *);
1026
1027 extern struct type *create_string_type (struct type *, struct type *);
1028
1029 extern struct type *create_set_type (struct type *, struct type *);
1030
1031 extern int chill_varying_type (struct type *);
1032
1033 extern struct type *lookup_unsigned_typename (char *);
1034
1035 extern struct type *lookup_signed_typename (char *);
1036
1037 extern struct type *check_typedef (struct type *);
1038
1039 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
1040
1041 extern void check_stub_method (struct type *, int, int);
1042
1043 extern struct type *lookup_primitive_typename (char *);
1044
1045 extern char *gdb_mangle_name (struct type *, int, int);
1046
1047 extern struct type *builtin_type (char **);
1048
1049 extern struct type *lookup_typename (char *, struct block *, int);
1050
1051 extern struct type *lookup_template_type (char *, struct type *,
1052                                           struct block *);
1053
1054 extern struct type *lookup_fundamental_type (struct objfile *, int);
1055
1056 extern void fill_in_vptr_fieldno (struct type *);
1057
1058 extern int get_destructor_fn_field (struct type *, int *, int *);
1059
1060 extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *);
1061
1062 extern int is_ancestor (struct type *, struct type *);
1063
1064 extern int has_vtable (struct type *);
1065
1066 extern struct type *primary_base_class (struct type *);
1067
1068 extern struct type **virtual_base_list (struct type *);
1069
1070 extern int virtual_base_list_length (struct type *);
1071 extern int virtual_base_list_length_skip_primaries (struct type *);
1072
1073 extern int virtual_base_index (struct type *, struct type *);
1074 extern int virtual_base_index_skip_primaries (struct type *, struct type *);
1075
1076
1077 extern int class_index_in_primary_list (struct type *);
1078
1079 extern int count_virtual_fns (struct type *);
1080
1081 /* Constants for HP/Taligent ANSI C++ runtime model */
1082
1083 /* Where virtual function entries begin in the
1084  * virtual table, in the non-RRBC vtable format.
1085  * First 4 are the metavtable pointer, top offset,
1086  * typeinfo pointer, and dup base info pointer */
1087 #define HP_ACC_VFUNC_START        4
1088
1089 /* (Negative) Offset where virtual base offset entries begin
1090  * in the virtual table. Skips over metavtable pointer and
1091  * the self-offset entry.
1092  * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
1093  * appear before the address point of the vtable (the slot
1094  * pointed to by the object's vtable pointer), i.e. at lower
1095  * addresses than the vtable pointer. */
1096 #define HP_ACC_VBASE_START        2
1097
1098 /* (Positive) Offset where the pointer to the typeinfo
1099  * object is present in the virtual table */
1100 #define HP_ACC_TYPEINFO_OFFSET    2
1101
1102 /* (Positive) Offset where the ``top offset'' entry of
1103  * the virtual table is */
1104 #define HP_ACC_TOP_OFFSET_OFFSET  1
1105
1106 /* Overload resolution */
1107
1108 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1109
1110 /* Badness if parameter list length doesn't match arg list length */
1111 #define LENGTH_MISMATCH_BADNESS      100
1112 /* Dummy badness value for nonexistent parameter positions */
1113 #define TOO_FEW_PARAMS_BADNESS       100
1114 /* Badness if no conversion among types */
1115 #define INCOMPATIBLE_TYPE_BADNESS    100
1116 /* Badness of coercing large integer to smaller size */
1117 #define INTEGER_COERCION_BADNESS     100
1118 /* Badness of coercing large floating type to smaller size */
1119 #define FLOAT_COERCION_BADNESS       100
1120
1121 /* Badness of integral promotion */
1122 #define INTEGER_PROMOTION_BADNESS      1
1123 /* Badness of floating promotion */
1124 #define FLOAT_PROMOTION_BADNESS        1
1125 /* Badness of integral conversion */
1126 #define INTEGER_CONVERSION_BADNESS     2
1127 /* Badness of floating conversion */
1128 #define FLOAT_CONVERSION_BADNESS       2
1129 /* Badness of integer<->floating conversions */
1130 #define INT_FLOAT_CONVERSION_BADNESS   2
1131 /* Badness of converting to a boolean */
1132 #define BOOLEAN_CONVERSION_BADNESS     2
1133 /* Badness of pointer conversion */
1134 #define POINTER_CONVERSION_BADNESS     2
1135 /* Badness of conversion of pointer to void pointer */
1136 #define VOID_PTR_CONVERSION_BADNESS    2
1137 /* Badness of converting derived to base class */
1138 #define BASE_CONVERSION_BADNESS        2
1139 /* Badness of converting from non-reference to reference */
1140 #define REFERENCE_CONVERSION_BADNESS   2
1141
1142 /* Non-standard conversions allowed by the debugger */
1143 /* Converting a pointer to an int is usually OK */
1144 #define NS_POINTER_CONVERSION_BADNESS 10
1145
1146
1147 extern int compare_badness (struct badness_vector *, struct badness_vector *);
1148
1149 extern struct badness_vector *rank_function (struct type **, int,
1150                                              struct type **, int);
1151
1152 extern int rank_one_type (struct type *, struct type *);
1153
1154 extern void recursive_dump_type (struct type *, int);
1155
1156 /* printcmd.c */
1157
1158 extern void print_scalar_formatted (char *, struct type *, int, int,
1159                                     struct ui_file *);
1160
1161 extern int can_dereference (struct type *);
1162
1163 extern int is_integral_type (struct type *);
1164
1165 extern void maintenance_print_type (char *, int);
1166
1167 #endif /* GDBTYPES_H */