gdb/gdbtypes.h

   1 /* Internal type definitions for GDB.
   2    Copyright (C) 1992 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20
  21 #if !defined (GDBTYPES_H)
  22 #define GDBTYPES_H 1
  23
  24 /* When gdb creates fundamental types, it uses one of the following
  25    type identifiers.  The identifiers are used to index a vector of
  26    pointers to any types that are created. */
  27
  28 #define FT_VOID                 0
  29 #define FT_BOOLEAN              1
  30 #define FT_CHAR                 2
  31 #define FT_SIGNED_CHAR          3
  32 #define FT_UNSIGNED_CHAR        4
  33 #define FT_SHORT                5
  34 #define FT_SIGNED_SHORT         6
  35 #define FT_UNSIGNED_SHORT       7
  36 #define FT_INTEGER              8
  37 #define FT_SIGNED_INTEGER       9
  38 #define FT_UNSIGNED_INTEGER     10
  39 #define FT_LONG                 11
  40 #define FT_SIGNED_LONG          12
  41 #define FT_UNSIGNED_LONG        13
  42 #define FT_LONG_LONG            14
  43 #define FT_SIGNED_LONG_LONG     15
  44 #define FT_UNSIGNED_LONG_LONG   16
  45 #define FT_FLOAT                17
  46 #define FT_DBL_PREC_FLOAT       18
  47 #define FT_EXT_PREC_FLOAT       19
  48 #define FT_COMPLEX              20
  49 #define FT_DBL_PREC_COMPLEX     21
  50 #define FT_EXT_PREC_COMPLEX     22
  51 #define FT_STRING               23
  52 #define FT_FIXED_DECIMAL        24
  53 #define FT_FLOAT_DECIMAL        25
  54 #define FT_BYTE                 26
  55 #define FT_UNSIGNED_BYTE        27
  56
  57 #define FT_NUM_MEMBERS          28      /* Highest FT_* above, plus one. */
  58
  59 /* Some macros for char-based bitfields.  */
  60
  61 #define B_SET(a,x)      ((a)[(x)>>3] |= (1 << ((x)&7)))
  62 #define B_CLR(a,x)      ((a)[(x)>>3] &= ~(1 << ((x)&7)))
  63 #define B_TST(a,x)      ((a)[(x)>>3] & (1 << ((x)&7)))
  64 #define B_TYPE          unsigned char
  65 #define B_BYTES(x)      ( 1 + ((x)>>3) )
  66 #define B_CLRALL(a,x)   memset ((a), 0, B_BYTES(x))
  67
  68 /* Different kinds of data types are distinguished by the `code' field.  */
  69
  70 enum type_code
  71 {
  72   TYPE_CODE_UNDEF,              /* Not used; catches errors */
  73   TYPE_CODE_PTR,                /* Pointer type */
  74   TYPE_CODE_ARRAY,              /* Array type with lower & upper bounds. */
  75   TYPE_CODE_STRUCT,             /* C struct or Pascal record */
  76   TYPE_CODE_UNION,              /* C union or Pascal variant part */
  77   TYPE_CODE_ENUM,               /* Enumeration type */
  78   TYPE_CODE_FUNC,               /* Function type */
  79   TYPE_CODE_INT,                /* Integer type */
  80
  81   /* Floating type.  This is *NOT* a complex type.  Complex types, when
  82      we have them, will have their own type code (or TYPE_CODE_ERROR if
  83      we can parse a complex type but not manipulate it).  There are parts
  84      of GDB which bogusly assume that TYPE_CODE_FLT can mean complex.  */
  85   TYPE_CODE_FLT,
  86
  87   /* Void type (values zero length; the length field is ignored).  */
  88   TYPE_CODE_VOID,
  89
  90   TYPE_CODE_SET,                /* Pascal sets */
  91   TYPE_CODE_RANGE,              /* Range (integers within spec'd bounds) */
  92   TYPE_CODE_STRING,             /* String types, distinct from array of char */
  93   TYPE_CODE_BITSTRING,          /* String of bits, distinct from bool array */
  94
  95   /* Unknown type.  The length field is valid if we were able to
  96      deduce that much about the type, or 0 if we don't even know that.  */
  97   TYPE_CODE_ERROR,
  98
  99   /* C++ */
 100   TYPE_CODE_MEMBER,             /* Member type */
 101   TYPE_CODE_METHOD,             /* Method type */
 102   TYPE_CODE_REF,                /* C++ Reference types */
 103
 104   /* Modula-2 */
 105   TYPE_CODE_CHAR,               /* *real* character type */
 106   TYPE_CODE_BOOL                /* BOOLEAN type */
 107 };
 108
 109 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
 110    alias for TYPE_CODE_STRUCT.  Eventually these should probably be
 111    officially distinct types within gdb. */
 112
 113 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
 114
 115 /* Some bits for the type's flags word. */
 116
 117 /* Explicitly unsigned integer type */
 118
 119 #define TYPE_FLAG_UNSIGNED      (1 << 0)
 120
 121 /* Explicitly signed integer type */
 122
 123 #define TYPE_FLAG_SIGNED        (1 << 1)
 124
 125 /* This appears in a type's flags word if it is a stub type (eg. if
 126    someone referenced a type that wasn't defined in a source file
 127    via (struct sir_not_appearing_in_this_film *)).  */
 128
 129 #define TYPE_FLAG_STUB          (1 << 2)
 130
 131
 132 struct type
 133 {
 134
 135   /* Code for kind of type */
 136
 137   enum type_code code;
 138
 139   /* Name of this type, or NULL if none.
 140      This is used for printing only, except by poorly designed C++ code.
 141      Type names specified as input are defined by symbols.  */
 142
 143   char *name;
 144
 145   /* Tag name for this type, or NULL if none.  This is a feature which is
 146      specific to C/C++ for structs, unions, or enums.
 147      This is used for printing only, except by poorly designed C++ code.  */
 148
 149   char *tag_name;
 150
 151   /* Length, in units of TARGET_CHAR_BIT bits,
 152      of storage for a value of this type */
 153
 154   unsigned length;
 155
 156   /* Every type is now associated with a particular objfile, and the
 157      type is allocated on the type_obstack for that objfile.  One problem
 158      however, is that there are times when gdb allocates new types while
 159      it is not in the process of reading symbols from a particular objfile.
 160      Fortunately, these happen when the type being created is a derived
 161      type of an existing type, such as in lookup_pointer_type().  So
 162      we can just allocate the new type using the same objfile as the
 163      existing type, but to do this we need a backpointer to the objfile
 164      from the existing type.  Yes this is somewhat ugly, but without
 165      major overhaul of the internal type system, it can't be avoided
 166      for now. */
 167
 168   struct objfile *objfile;
 169
 170   /* For a pointer type, describes the type of object pointed to.
 171      For an array type, describes the type of the elements.
 172      For a function or method type, describes the type of the return value.
 173      For a range type, describes the type of the full range.
 174      Unused otherwise.  */
 175
 176   struct type *target_type;
 177
 178   /* Type that is a pointer to this type.
 179      NULL if no such pointer-to type is known yet.
 180      The debugger may add the address of such a type
 181      if it has to construct one later.  */
 182
 183   struct type *pointer_type;
 184
 185   /* C++: also need a reference type.  */
 186
 187   struct type *reference_type;
 188
 189   /* Type that is a function returning this type.
 190      NULL if no such function type is known here.
 191      The debugger may add the address of such a type
 192      if it has to construct one later.  */
 193
 194   struct type *function_type;
 195
 196   /* Flags about this type.  */
 197
 198   short flags;
 199
 200   /* Number of fields described for this type */
 201
 202   short nfields;
 203
 204   /* For structure and union types, a description of each field.
 205      For set and pascal array types, there is one "field",
 206      whose type is the domain type of the set or array.
 207      For range types, there are two "fields",
 208      the minimum and maximum values (both inclusive).
 209      For enum types, each possible value is described by one "field".
 210      For C++ classes, there is one field for each base class (if it is
 211      a derived class) plus one field for each class data member.  Member
 212      functions are recorded elsewhere.
 213
 214      Using a pointer to a separate array of fields
 215      allows all types to have the same size, which is useful
 216      because we can allocate the space for a type before
 217      we know what to put in it.  */
 218
 219   struct field
 220     {
 221
 222       /* Position of this field, counting in bits from start of
 223          containing structure.  For a function type, this is the
 224          position in the argument list of this argument.
 225          For a range bound or enum value, this is the value itself.
 226          (FIXME:  What about ranges larger than host int size?)
 227          For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
 228          For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. */
 229
 230       int bitpos;
 231
 232       /* Size of this field, in bits, or zero if not packed.
 233          For an unpacked field, the field's type's length
 234          says how many bytes the field occupies.  */
 235
 236       int bitsize;
 237
 238       /* In a struct or enum type, type of this field.
 239          In a function type, type of this argument.
 240          In an array type, the domain-type of the array.  */
 241
 242       struct type *type;
 243
 244       /* Name of field, value or argument.
 245          NULL for range bounds and array domains.  */
 246
 247       char *name;
 248
 249     } *fields;
 250
 251   /* For types with virtual functions, VPTR_BASETYPE is the base class which
 252      defined the virtual function table pointer.  VPTR_FIELDNO is
 253      the field number of that pointer in the structure.
 254
 255      For types that are pointer to member types, VPTR_BASETYPE
 256      is the type that this pointer is a member of.
 257
 258      Unused otherwise.  */
 259
 260   struct type *vptr_basetype;
 261
 262   int vptr_fieldno;
 263
 264   /* Slot to point to additional language-specific fields of this type.  */
 265
 266   union type_specific
 267     {
 268
 269       /* ARG_TYPES is for TYPE_CODE_METHOD and TYPE_CODE_FUNC.  */
 270
 271       struct type **arg_types;
 272
 273       /* CPLUS_STUFF is for TYPE_CODE_STRUCT.  It is initialized to point to
 274          cplus_struct_default, a default static instance of a struct
 275          cplus_struct_type. */
 276
 277       struct cplus_struct_type *cplus_stuff;
 278
 279     } type_specific;
 280 };
 281
 282 #define NULL_TYPE ((struct type *) 0)
 283
 284 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
 285    nodes.  */
 286
 287 struct cplus_struct_type
 288 {
 289   /* Number of base classes this type derives from. */
 290
 291   short n_baseclasses;
 292
 293   /* Number of methods with unique names.  All overloaded methods with
 294      the same name count only once. */
 295
 296   short nfn_fields;
 297
 298   /* Number of methods described for this type plus all the
 299      methods that it derives from.  */
 300
 301   int nfn_fields_total;
 302
 303   /* For derived classes, the number of base classes is given by n_baseclasses
 304      and virtual_field_bits is a bit vector containing one bit per base class.
 305      If the base class is virtual, the corresponding bit will be set.
 306      I.E, given:
 307
 308         class A{};
 309         class B{};
 310         class C : public B, public virtual A {};
 311
 312      B is a baseclass of C; A is a virtual baseclass for C.
 313      This is a C++ 2.0 language feature. */
 314
 315   B_TYPE *virtual_field_bits;
 316
 317   /* For classes with private fields, the number of fields is given by
 318      nfields and private_field_bits is a bit vector containing one bit
 319      per field.
 320      If the field is private, the corresponding bit will be set. */
 321
 322   B_TYPE *private_field_bits;
 323
 324   /* For classes with protected fields, the number of fields is given by
 325      nfields and protected_field_bits is a bit vector containing one bit
 326      per field.
 327      If the field is private, the corresponding bit will be set. */
 328
 329   B_TYPE *protected_field_bits;
 330
 331   /* For classes, structures, and unions, a description of each field,
 332      which consists of an overloaded name, followed by the types of
 333      arguments that the method expects, and then the name after it
 334      has been renamed to make it distinct.
 335
 336      fn_fieldlists points to an array of nfn_fields of these. */
 337
 338   struct fn_fieldlist
 339     {
 340
 341       /* The overloaded name.  */
 342
 343       char *name;
 344
 345       /* The number of methods with this name.  */
 346
 347       int length;
 348
 349       /* The list of methods.  */
 350
 351       struct fn_field
 352         {
 353
 354           /* The name after it has been processed */
 355
 356           char *physname;
 357
 358           /* The return value of the method */
 359
 360           struct type *type;
 361
 362           /* The argument list */
 363
 364           struct type **args;
 365
 366           /* For virtual functions.
 367              First baseclass that defines this virtual function.   */
 368
 369           struct type *fcontext;
 370
 371           /* Attributes. */
 372
 373           unsigned int is_const : 1;
 374           unsigned int is_volatile : 1;
 375           unsigned int is_private : 1;
 376           unsigned int is_protected : 1;
 377           unsigned int is_stub : 1;
 378           unsigned int dummy : 3;
 379
 380           /* Index into that baseclass's virtual function table,
 381              minus 2; else if static: VOFFSET_STATIC; else: 0.  */
 382
 383           unsigned int voffset : 24;
 384
 385 #         define VOFFSET_STATIC 1
 386
 387         } *fn_fields;
 388
 389     } *fn_fieldlists;
 390
 391 };
 392
 393 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
 394    this shared static structure. */
 395
 396 extern const struct cplus_struct_type cplus_struct_default;
 397
 398 extern void
 399 allocate_cplus_struct_type PARAMS ((struct type *));
 400
 401 #define INIT_CPLUS_SPECIFIC(type) \
 402   (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
 403 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
 404 #define HAVE_CPLUS_STRUCT(type) \
 405   (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
 406
 407 #define TYPE_NAME(thistype) (thistype)->name
 408 #define TYPE_TAG_NAME(type) ((type)->tag_name)
 409 #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
 410 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
 411 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
 412 #define TYPE_FUNCTION_TYPE(thistype) (thistype)->function_type
 413 #define TYPE_LENGTH(thistype) (thistype)->length
 414 #define TYPE_OBJFILE(thistype) (thistype)->objfile
 415 #define TYPE_FLAGS(thistype) (thistype)->flags
 416 #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
 417 #define TYPE_CODE(thistype) (thistype)->code
 418 #define TYPE_NFIELDS(thistype) (thistype)->nfields
 419 #define TYPE_FIELDS(thistype) (thistype)->fields
 420
 421 /* C++ */
 422
 423 #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
 424 #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
 425 #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
 426 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
 427 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
 428 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
 429 #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
 430 #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
 431 #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
 432 #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
 433 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
 434 #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
 435 #define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos
 436 #define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index))
 437 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
 438   B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))
 439
 440 #define TYPE_FIELD(thistype, n) (thistype)->fields[n]
 441 #define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type
 442 #define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name
 443 #define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type)
 444 #define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos
 445 #define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize
 446 #define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize
 447
 448 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
 449   TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
 450 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
 451   TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
 452 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
 453   TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
 454 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
 455   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
 456 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
 457   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
 458 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
 459   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
 460 #define TYPE_FIELD_PRIVATE(thistype, n) \
 461   (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
 462     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
 463 #define TYPE_FIELD_PROTECTED(thistype, n) \
 464   (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
 465     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
 466 #define TYPE_FIELD_VIRTUAL(thistype, n) \
 467        B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
 468
 469 #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1)
 470 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize)
 471
 472 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
 473 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
 474 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
 475 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
 476 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
 477
 478 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
 479 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
 480 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
 481 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
 482 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
 483 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
 484 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
 485 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
 486 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
 487 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
 488 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
 489 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
 490 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
 491
 492 extern struct type *builtin_type_void;
 493 extern struct type *builtin_type_char;
 494 extern struct type *builtin_type_short;
 495 extern struct type *builtin_type_int;
 496 extern struct type *builtin_type_long;
 497 extern struct type *builtin_type_signed_char;
 498 extern struct type *builtin_type_unsigned_char;
 499 extern struct type *builtin_type_unsigned_short;
 500 extern struct type *builtin_type_unsigned_int;
 501 extern struct type *builtin_type_unsigned_long;
 502 extern struct type *builtin_type_float;
 503 extern struct type *builtin_type_double;
 504 extern struct type *builtin_type_long_double;
 505 extern struct type *builtin_type_complex;
 506 extern struct type *builtin_type_double_complex;
 507 extern struct type *builtin_type_string;
 508
 509 /* This type represents a type that was unrecognized in symbol
 510    read-in.  */
 511
 512 extern struct type *builtin_type_error;
 513
 514 extern struct type *builtin_type_long_long;
 515 extern struct type *builtin_type_unsigned_long_long;
 516
 517 /* Modula-2 types */
 518
 519 extern struct type *builtin_type_m2_char;
 520 extern struct type *builtin_type_m2_int;
 521 extern struct type *builtin_type_m2_card;
 522 extern struct type *builtin_type_m2_real;
 523 extern struct type *builtin_type_m2_bool;
 524
 525 /* Chill types */
 526
 527 extern struct type *builtin_type_chill_bool;
 528 extern struct type *builtin_type_chill_char;
 529 extern struct type *builtin_type_chill_long;
 530 extern struct type *builtin_type_chill_ulong;
 531 extern struct type *builtin_type_chill_real;
 532
 533 /* CC_HAS_LONG_LONG is defined if the host has "long long".  */
 534
 535 #ifdef CC_HAS_LONG_LONG
 536
 537 #define BUILTIN_TYPE_LONGEST builtin_type_long_long
 538 #define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long
 539
 540 #else /* not CC_HAS_LONG_LONG.  */
 541
 542 #define BUILTIN_TYPE_LONGEST builtin_type_long
 543 #define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long
 544
 545 #endif /* not CC_HAS_LONG_LONG.  */
 546
 547 /* Maximum and minimum values of built-in types */
 548
 549 #define MAX_OF_TYPE(t)  \
 550    TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
 551     : MAX_OF_SIZE(TYPE_LENGTH(t))
 552
 553 #define MIN_OF_TYPE(t)  \
 554    TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
 555     : MIN_OF_SIZE(TYPE_LENGTH(t))
 556
 557 /* Allocate space for storing data associated with a particular type.
 558    We ensure that the space is allocated using the same mechanism that
 559    was used to allocate the space for the type structure itself.  I.E.
 560    if the type is on an objfile's type_obstack, then the space for data
 561    associated with that type will also be allocated on the type_obstack.
 562    If the type is not associated with any particular objfile (such as
 563    builtin types), then the data space will be allocated with xmalloc,
 564    the same as for the type structure. */
 565
 566 #define TYPE_ALLOC(t,size)  \
 567    (TYPE_OBJFILE (t) != NULL  \
 568     ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
 569     : xmalloc (size))
 570
 571 extern struct type *
 572 alloc_type PARAMS ((struct objfile *));
 573
 574 extern struct type *
 575 init_type PARAMS ((enum type_code, int, int, char *, struct objfile *));
 576
 577 extern struct type *
 578 lookup_reference_type PARAMS ((struct type *));
 579
 580 extern struct type *
 581 make_reference_type PARAMS ((struct type *, struct type **));
 582
 583 extern struct type *
 584 lookup_member_type PARAMS ((struct type *, struct type *));
 585
 586 extern void
 587 smash_to_method_type PARAMS ((struct type *, struct type *, struct type *,
 588                               struct type **));
 589
 590 extern void
 591 smash_to_member_type PARAMS ((struct type *, struct type *, struct type *));
 592
 593 extern struct type *
 594 allocate_stub_method PARAMS ((struct type *));
 595
 596 extern char *
 597 type_name_no_tag PARAMS ((const struct type *));
 598
 599 extern struct type *
 600 lookup_struct_elt_type PARAMS ((struct type *, char *, int));
 601
 602 extern struct type *
 603 make_pointer_type PARAMS ((struct type *, struct type **));
 604
 605 extern struct type *
 606 lookup_pointer_type PARAMS ((struct type *));
 607
 608 extern struct type *
 609 make_function_type PARAMS ((struct type *, struct type **));
 610
 611 extern struct type *
 612 lookup_function_type PARAMS ((struct type *));
 613
 614 extern struct type *
 615 create_range_type PARAMS ((struct type *, struct type *, int, int));
 616
 617 extern struct type *
 618 create_array_type PARAMS ((struct type *, struct type *, struct type *));
 619
 620 extern struct type *
 621 create_string_type PARAMS ((struct type *, struct type *));
 622
 623 extern struct type *
 624 lookup_unsigned_typename PARAMS ((char *));
 625
 626 extern struct type *
 627 lookup_signed_typename PARAMS ((char *));
 628
 629 extern void
 630 check_stub_type PARAMS ((struct type *));
 631
 632 extern void
 633 check_stub_method PARAMS ((struct type *, int, int));
 634
 635 extern struct type *
 636 lookup_primitive_typename PARAMS ((char *));
 637
 638 extern char *
 639 gdb_mangle_name PARAMS ((struct type *, int, int));
 640
 641 extern struct type *
 642 builtin_type PARAMS ((char **));
 643
 644 extern struct type *
 645 lookup_typename PARAMS ((char *, struct block *, int));
 646
 647 extern struct type *
 648 lookup_template_type PARAMS ((char *, struct type *, struct block *));
 649
 650 extern struct type *
 651 lookup_fundamental_type PARAMS ((struct objfile *, int));
 652
 653 extern void
 654 fill_in_vptr_fieldno PARAMS ((struct type *));
 655
 656 #if MAINTENANCE_CMDS
 657 extern void recursive_dump_type PARAMS ((struct type *, int));
 658 #endif
 659
 660 /* printcmd.c */
 661
 662 extern void
 663 print_scalar_formatted PARAMS ((char *, struct type *, int, int, FILE *));
 664
 665 #if MAINTENANCE_CMDS
 666 extern void maintenance_print_type PARAMS ((char *, int));
 667 #endif
 668
 669 #endif  /* GDBTYPES_H */