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
 141      This is used for printing only, except by poorly designed C++ code.
 142      For looking up a name, look for a symbol in the VAR_NAMESPACE.  */
 143
 144   char *name;
 145
 146   /* Tag name for this type, or NULL if none.  This means that the
 147      name of the type consists of a keyword followed by the tag name.
 148      Which keyword is determined by the type code ("struct" for
 149      TYPE_CODE_STRUCT, etc.).  As far as I know C/C++ are the only languages
 150      with this feature.
 151
 152      This is used for printing only, except by poorly designed C++ code.
 153      For looking up a name, look for a symbol in the STRUCT_NAMESPACE.  */
 154
 155   char *tag_name;
 156
 157   /* Length, in units of TARGET_CHAR_BIT bits,
 158      of storage for a value of this type */
 159
 160   unsigned length;
 161
 162   /* Every type is now associated with a particular objfile, and the
 163      type is allocated on the type_obstack for that objfile.  One problem
 164      however, is that there are times when gdb allocates new types while
 165      it is not in the process of reading symbols from a particular objfile.
 166      Fortunately, these happen when the type being created is a derived
 167      type of an existing type, such as in lookup_pointer_type().  So
 168      we can just allocate the new type using the same objfile as the
 169      existing type, but to do this we need a backpointer to the objfile
 170      from the existing type.  Yes this is somewhat ugly, but without
 171      major overhaul of the internal type system, it can't be avoided
 172      for now. */
 173
 174   struct objfile *objfile;
 175
 176   /* For a pointer type, describes the type of object pointed to.
 177      For an array type, describes the type of the elements.
 178      For a function or method type, describes the type of the return value.
 179      For a range type, describes the type of the full range.
 180      Unused otherwise.  */
 181
 182   struct type *target_type;
 183
 184   /* Type that is a pointer to this type.
 185      NULL if no such pointer-to type is known yet.
 186      The debugger may add the address of such a type
 187      if it has to construct one later.  */
 188
 189   struct type *pointer_type;
 190
 191   /* C++: also need a reference type.  */
 192
 193   struct type *reference_type;
 194
 195   /* Type that is a function returning this type.
 196      NULL if no such function type is known here.
 197      The debugger may add the address of such a type
 198      if it has to construct one later.  */
 199
 200   struct type *function_type;
 201
 202   /* Flags about this type.  */
 203
 204   short flags;
 205
 206   /* Number of fields described for this type */
 207
 208   short nfields;
 209
 210   /* For structure and union types, a description of each field.
 211      For set and pascal array types, there is one "field",
 212      whose type is the domain type of the set or array.
 213      For range types, there are two "fields",
 214      the minimum and maximum values (both inclusive).
 215      For enum types, each possible value is described by one "field".
 216      For C++ classes, there is one field for each base class (if it is
 217      a derived class) plus one field for each class data member.  Member
 218      functions are recorded elsewhere.
 219
 220      Using a pointer to a separate array of fields
 221      allows all types to have the same size, which is useful
 222      because we can allocate the space for a type before
 223      we know what to put in it.  */
 224
 225   struct field
 226     {
 227
 228       /* Position of this field, counting in bits from start of
 229          containing structure.  For a function type, this is the
 230          position in the argument list of this argument.
 231          For a range bound or enum value, this is the value itself.
 232          (FIXME:  What about ranges larger than host int size?)
 233          For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
 234          For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. */
 235
 236       int bitpos;
 237
 238       /* Size of this field, in bits, or zero if not packed.
 239          For an unpacked field, the field's type's length
 240          says how many bytes the field occupies.  */
 241
 242       int bitsize;
 243
 244       /* In a struct or enum type, type of this field.
 245          In a function type, type of this argument.
 246          In an array type, the domain-type of the array.  */
 247
 248       struct type *type;
 249
 250       /* Name of field, value or argument.
 251          NULL for range bounds and array domains.  */
 252
 253       char *name;
 254
 255     } *fields;
 256
 257   /* For types with virtual functions, VPTR_BASETYPE is the base class which
 258      defined the virtual function table pointer.  VPTR_FIELDNO is
 259      the field number of that pointer in the structure.
 260
 261      For types that are pointer to member types, VPTR_BASETYPE
 262      is the type that this pointer is a member of.
 263
 264      Unused otherwise.  */
 265
 266   struct type *vptr_basetype;
 267
 268   int vptr_fieldno;
 269
 270   /* Slot to point to additional language-specific fields of this type.  */
 271
 272   union type_specific
 273     {
 274
 275       /* ARG_TYPES is for TYPE_CODE_METHOD and TYPE_CODE_FUNC.  */
 276
 277       struct type **arg_types;
 278
 279       /* CPLUS_STUFF is for TYPE_CODE_STRUCT.  It is initialized to point to
 280          cplus_struct_default, a default static instance of a struct
 281          cplus_struct_type. */
 282
 283       struct cplus_struct_type *cplus_stuff;
 284
 285     } type_specific;
 286 };
 287
 288 #define NULL_TYPE ((struct type *) 0)
 289
 290 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
 291    nodes.  */
 292
 293 struct cplus_struct_type
 294 {
 295   /* Number of base classes this type derives from. */
 296
 297   short n_baseclasses;
 298
 299   /* Number of methods with unique names.  All overloaded methods with
 300      the same name count only once. */
 301
 302   short nfn_fields;
 303
 304   /* Number of methods described for this type plus all the
 305      methods that it derives from.  */
 306
 307   int nfn_fields_total;
 308
 309   /* For derived classes, the number of base classes is given by n_baseclasses
 310      and virtual_field_bits is a bit vector containing one bit per base class.
 311      If the base class is virtual, the corresponding bit will be set.
 312      I.E, given:
 313
 314         class A{};
 315         class B{};
 316         class C : public B, public virtual A {};
 317
 318      B is a baseclass of C; A is a virtual baseclass for C.
 319      This is a C++ 2.0 language feature. */
 320
 321   B_TYPE *virtual_field_bits;
 322
 323   /* For classes with private fields, the number of fields is given by
 324      nfields and private_field_bits is a bit vector containing one bit
 325      per field.
 326      If the field is private, the corresponding bit will be set. */
 327
 328   B_TYPE *private_field_bits;
 329
 330   /* For classes with protected fields, the number of fields is given by
 331      nfields and protected_field_bits is a bit vector containing one bit
 332      per field.
 333      If the field is private, the corresponding bit will be set. */
 334
 335   B_TYPE *protected_field_bits;
 336
 337   /* For classes, structures, and unions, a description of each field,
 338      which consists of an overloaded name, followed by the types of
 339      arguments that the method expects, and then the name after it
 340      has been renamed to make it distinct.
 341
 342      fn_fieldlists points to an array of nfn_fields of these. */
 343
 344   struct fn_fieldlist
 345     {
 346
 347       /* The overloaded name.  */
 348
 349       char *name;
 350
 351       /* The number of methods with this name.  */
 352
 353       int length;
 354
 355       /* The list of methods.  */
 356
 357       struct fn_field
 358         {
 359
 360           /* The name after it has been processed */
 361
 362           char *physname;
 363
 364           /* The return value of the method */
 365
 366           struct type *type;
 367
 368           /* The argument list */
 369
 370           struct type **args;
 371
 372           /* For virtual functions.
 373              First baseclass that defines this virtual function.   */
 374
 375           struct type *fcontext;
 376
 377           /* Attributes. */
 378
 379           unsigned int is_const : 1;
 380           unsigned int is_volatile : 1;
 381           unsigned int is_private : 1;
 382           unsigned int is_protected : 1;
 383           unsigned int is_stub : 1;
 384           unsigned int dummy : 3;
 385
 386           /* Index into that baseclass's virtual function table,
 387              minus 2; else if static: VOFFSET_STATIC; else: 0.  */
 388
 389           unsigned int voffset : 24;
 390
 391 #         define VOFFSET_STATIC 1
 392
 393         } *fn_fields;
 394
 395     } *fn_fieldlists;
 396
 397 };
 398
 399 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
 400    this shared static structure. */
 401
 402 extern const struct cplus_struct_type cplus_struct_default;
 403
 404 extern void
 405 allocate_cplus_struct_type PARAMS ((struct type *));
 406
 407 #define INIT_CPLUS_SPECIFIC(type) \
 408   (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
 409 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
 410 #define HAVE_CPLUS_STRUCT(type) \
 411   (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
 412
 413 #define TYPE_NAME(thistype) (thistype)->name
 414 #define TYPE_TAG_NAME(type) ((type)->tag_name)
 415 #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
 416 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
 417 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
 418 #define TYPE_FUNCTION_TYPE(thistype) (thistype)->function_type
 419 #define TYPE_LENGTH(thistype) (thistype)->length
 420 #define TYPE_OBJFILE(thistype) (thistype)->objfile
 421 #define TYPE_FLAGS(thistype) (thistype)->flags
 422 #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
 423 #define TYPE_CODE(thistype) (thistype)->code
 424 #define TYPE_NFIELDS(thistype) (thistype)->nfields
 425 #define TYPE_FIELDS(thistype) (thistype)->fields
 426
 427 /* C++ */
 428
 429 #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
 430 #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
 431 #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
 432 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
 433 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
 434 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
 435 #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
 436 #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
 437 #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
 438 #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
 439 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
 440 #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
 441 #define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos
 442 #define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index))
 443 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
 444   B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))
 445
 446 #define TYPE_FIELD(thistype, n) (thistype)->fields[n]
 447 #define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type
 448 #define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name
 449 #define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type)
 450 #define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos
 451 #define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize
 452 #define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize
 453
 454 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
 455   TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
 456 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
 457   TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
 458 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
 459   TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
 460 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
 461   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
 462 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
 463   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
 464 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
 465   B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
 466 #define TYPE_FIELD_PRIVATE(thistype, n) \
 467   (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
 468     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
 469 #define TYPE_FIELD_PROTECTED(thistype, n) \
 470   (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
 471     : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
 472 #define TYPE_FIELD_VIRTUAL(thistype, n) \
 473        B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
 474
 475 #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1)
 476 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize)
 477
 478 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
 479 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
 480 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
 481 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
 482 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
 483
 484 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
 485 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
 486 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
 487 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
 488 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
 489 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
 490 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
 491 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
 492 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
 493 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
 494 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
 495 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
 496 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
 497
 498 extern struct type *builtin_type_void;
 499 extern struct type *builtin_type_char;
 500 extern struct type *builtin_type_short;
 501 extern struct type *builtin_type_int;
 502 extern struct type *builtin_type_long;
 503 extern struct type *builtin_type_signed_char;
 504 extern struct type *builtin_type_unsigned_char;
 505 extern struct type *builtin_type_unsigned_short;
 506 extern struct type *builtin_type_unsigned_int;
 507 extern struct type *builtin_type_unsigned_long;
 508 extern struct type *builtin_type_float;
 509 extern struct type *builtin_type_double;
 510 extern struct type *builtin_type_long_double;
 511 extern struct type *builtin_type_complex;
 512 extern struct type *builtin_type_double_complex;
 513 extern struct type *builtin_type_string;
 514
 515 /* This type represents a type that was unrecognized in symbol
 516    read-in.  */
 517
 518 extern struct type *builtin_type_error;
 519
 520 extern struct type *builtin_type_long_long;
 521 extern struct type *builtin_type_unsigned_long_long;
 522
 523 /* Modula-2 types */
 524
 525 extern struct type *builtin_type_m2_char;
 526 extern struct type *builtin_type_m2_int;
 527 extern struct type *builtin_type_m2_card;
 528 extern struct type *builtin_type_m2_real;
 529 extern struct type *builtin_type_m2_bool;
 530
 531 /* Chill types */
 532
 533 extern struct type *builtin_type_chill_bool;
 534 extern struct type *builtin_type_chill_char;
 535 extern struct type *builtin_type_chill_long;
 536 extern struct type *builtin_type_chill_ulong;
 537 extern struct type *builtin_type_chill_real;
 538
 539 /* CC_HAS_LONG_LONG is defined if the host has "long long".  */
 540
 541 #ifdef CC_HAS_LONG_LONG
 542
 543 #define BUILTIN_TYPE_LONGEST builtin_type_long_long
 544 #define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long_long
 545
 546 #else /* not CC_HAS_LONG_LONG.  */
 547
 548 #define BUILTIN_TYPE_LONGEST builtin_type_long
 549 #define BUILTIN_TYPE_UNSIGNED_LONGEST builtin_type_unsigned_long
 550
 551 #endif /* not CC_HAS_LONG_LONG.  */
 552
 553 /* Maximum and minimum values of built-in types */
 554
 555 #define MAX_OF_TYPE(t)  \
 556    TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
 557     : MAX_OF_SIZE(TYPE_LENGTH(t))
 558
 559 #define MIN_OF_TYPE(t)  \
 560    TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
 561     : MIN_OF_SIZE(TYPE_LENGTH(t))
 562
 563 /* Allocate space for storing data associated with a particular type.
 564    We ensure that the space is allocated using the same mechanism that
 565    was used to allocate the space for the type structure itself.  I.E.
 566    if the type is on an objfile's type_obstack, then the space for data
 567    associated with that type will also be allocated on the type_obstack.
 568    If the type is not associated with any particular objfile (such as
 569    builtin types), then the data space will be allocated with xmalloc,
 570    the same as for the type structure. */
 571
 572 #define TYPE_ALLOC(t,size)  \
 573    (TYPE_OBJFILE (t) != NULL  \
 574     ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
 575     : xmalloc (size))
 576
 577 extern struct type *
 578 alloc_type PARAMS ((struct objfile *));
 579
 580 extern struct type *
 581 init_type PARAMS ((enum type_code, int, int, char *, struct objfile *));
 582
 583 extern struct type *
 584 lookup_reference_type PARAMS ((struct type *));
 585
 586 extern struct type *
 587 make_reference_type PARAMS ((struct type *, struct type **));
 588
 589 extern struct type *
 590 lookup_member_type PARAMS ((struct type *, struct type *));
 591
 592 extern void
 593 smash_to_method_type PARAMS ((struct type *, struct type *, struct type *,
 594                               struct type **));
 595
 596 extern void
 597 smash_to_member_type PARAMS ((struct type *, struct type *, struct type *));
 598
 599 extern struct type *
 600 allocate_stub_method PARAMS ((struct type *));
 601
 602 extern char *
 603 type_name_no_tag PARAMS ((const struct type *));
 604
 605 extern struct type *
 606 lookup_struct_elt_type PARAMS ((struct type *, char *, int));
 607
 608 extern struct type *
 609 make_pointer_type PARAMS ((struct type *, struct type **));
 610
 611 extern struct type *
 612 lookup_pointer_type PARAMS ((struct type *));
 613
 614 extern struct type *
 615 make_function_type PARAMS ((struct type *, struct type **));
 616
 617 extern struct type *
 618 lookup_function_type PARAMS ((struct type *));
 619
 620 extern struct type *
 621 create_range_type PARAMS ((struct type *, struct type *, int, int));
 622
 623 extern struct type *
 624 create_array_type PARAMS ((struct type *, struct type *, struct type *));
 625
 626 extern struct type *
 627 create_string_type PARAMS ((struct type *, struct type *));
 628
 629 extern struct type *
 630 lookup_unsigned_typename PARAMS ((char *));
 631
 632 extern struct type *
 633 lookup_signed_typename PARAMS ((char *));
 634
 635 extern void
 636 check_stub_type PARAMS ((struct type *));
 637
 638 extern void
 639 check_stub_method PARAMS ((struct type *, int, int));
 640
 641 extern struct type *
 642 lookup_primitive_typename PARAMS ((char *));
 643
 644 extern char *
 645 gdb_mangle_name PARAMS ((struct type *, int, int));
 646
 647 extern struct type *
 648 builtin_type PARAMS ((char **));
 649
 650 extern struct type *
 651 lookup_typename PARAMS ((char *, struct block *, int));
 652
 653 extern struct type *
 654 lookup_template_type PARAMS ((char *, struct type *, struct block *));
 655
 656 extern struct type *
 657 lookup_fundamental_type PARAMS ((struct objfile *, int));
 658
 659 extern void
 660 fill_in_vptr_fieldno PARAMS ((struct type *));
 661
 662 #if MAINTENANCE_CMDS
 663 extern void recursive_dump_type PARAMS ((struct type *, int));
 664 #endif
 665
 666 /* printcmd.c */
 667
 668 extern void
 669 print_scalar_formatted PARAMS ((char *, struct type *, int, int, FILE *));
 670
 671 #if MAINTENANCE_CMDS
 672 extern void maintenance_print_type PARAMS ((char *, int));
 673 #endif
 674
 675 #endif  /* GDBTYPES_H */