1 /* Internal type definitions for GDB.
2 Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation, Inc.
3 Contributed by Cygnus Support, using pieces from other GDB modules.
5 This file is part of GDB.
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.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
21 #if !defined (GDBTYPES_H)
24 /* Codes for `fundamental types'. This is a monstrosity based on the
25 bogus notion that there are certain compiler-independent
26 `fundamental types'. None of these is well-defined (how big is
27 FT_SHORT? Does it depend on the language? How does the
28 language-specific code know which type to correlate to FT_SHORT?) */
33 #define FT_SIGNED_CHAR 3
34 #define FT_UNSIGNED_CHAR 4
36 #define FT_SIGNED_SHORT 6
37 #define FT_UNSIGNED_SHORT 7
39 #define FT_SIGNED_INTEGER 9
40 #define FT_UNSIGNED_INTEGER 10
42 #define FT_SIGNED_LONG 12
43 #define FT_UNSIGNED_LONG 13
44 #define FT_LONG_LONG 14
45 #define FT_SIGNED_LONG_LONG 15
46 #define FT_UNSIGNED_LONG_LONG 16
48 #define FT_DBL_PREC_FLOAT 18
49 #define FT_EXT_PREC_FLOAT 19
51 #define FT_DBL_PREC_COMPLEX 21
52 #define FT_EXT_PREC_COMPLEX 22
54 #define FT_FIXED_DECIMAL 24
55 #define FT_FLOAT_DECIMAL 25
57 #define FT_UNSIGNED_BYTE 27
59 #define FT_NUM_MEMBERS 28 /* Highest FT_* above, plus one. */
61 /* Some macros for char-based bitfields. */
63 #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
64 #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
65 #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
66 #define B_TYPE unsigned char
67 #define B_BYTES(x) ( 1 + ((x)>>3) )
68 #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
70 /* Different kinds of data types are distinguished by the `code' field. */
74 TYPE_CODE_UNDEF, /* Not used; catches errors */
75 TYPE_CODE_PTR, /* Pointer type */
76 TYPE_CODE_ARRAY, /* Array type with lower & upper bounds. */
77 TYPE_CODE_STRUCT, /* C struct or Pascal record */
78 TYPE_CODE_UNION, /* C union or Pascal variant part */
79 TYPE_CODE_ENUM, /* Enumeration type */
80 TYPE_CODE_FUNC, /* Function type */
81 TYPE_CODE_INT, /* Integer type */
83 /* Floating type. This is *NOT* a complex type. Beware, there are parts
84 of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
87 /* Void type. The length field specifies the length (probably always
88 one) which is used in pointer arithmetic involving pointers to
89 this type, but actually dereferencing such a pointer is invalid;
90 a void type has no length and no actual representation in memory
91 or registers. A pointer to a void type is a generic pointer. */
94 TYPE_CODE_SET, /* Pascal sets */
95 TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */
97 /* A string type which is like an array of character but prints
98 differently (at least for CHILL). It does not contain a length
99 field as Pascal strings (for many Pascals, anyway) do; if we want
100 to deal with such strings, we should use a new type code. */
103 /* String of bits; like TYPE_CODE_SET but prints differently (at least
107 /* Unknown type. The length field is valid if we were able to
108 deduce that much about the type, or 0 if we don't even know that. */
112 TYPE_CODE_MEMBER, /* Member type */
113 TYPE_CODE_METHOD, /* Method type */
114 TYPE_CODE_REF, /* C++ Reference types */
116 TYPE_CODE_CHAR, /* *real* character type */
118 /* Boolean type. 0 is false, 1 is true, and other values are non-boolean
119 (e.g. FORTRAN "logical" used as unsigned int). */
123 TYPE_CODE_COMPLEX, /* Complex float */
128 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
129 alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct
130 "class" attribute. Perhaps we should actually have a separate TYPE_CODE
131 so that we can print "class" or "struct" depending on what the debug
132 info said. It's not clear we should bother. */
134 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
136 /* Some bits for the type's flags word. */
138 /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
141 #define TYPE_FLAG_UNSIGNED (1 << 0)
143 /* This appears in a type's flags word if it is a stub type (e.g., if
144 someone referenced a type that wasn't defined in a source file
145 via (struct sir_not_appearing_in_this_film *)). */
147 #define TYPE_FLAG_STUB (1 << 2)
149 /* The target type of this type is a stub type, and this type needs to
150 be updated if it gets un-stubbed in check_typedef.
151 Used for arrays and ranges, in which TYPE_LENGTH of the array/range
152 gets set based on the TYPE_LENGTH of the target type.
153 Also, set for TYPE_CODE_TYPEDEF. */
155 #define TYPE_FLAG_TARGET_STUB (1 << 3)
157 /* This is a function type which appears to have a prototype. We need this
158 for function calls in order to tell us if it's necessary to coerce the args,
159 or to just do the standard conversions. */
161 #define TYPE_FLAG_PROTOTYPED (1 << 4)
166 /* Code for kind of type */
170 /* Name of this type, or NULL if none.
172 This is used for printing only, except by poorly designed C++ code.
173 For looking up a name, look for a symbol in the VAR_NAMESPACE. */
177 /* Tag name for this type, or NULL if none. This means that the
178 name of the type consists of a keyword followed by the tag name.
179 Which keyword is determined by the type code ("struct" for
180 TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages
183 This is used for printing only, except by poorly designed C++ code.
184 For looking up a name, look for a symbol in the STRUCT_NAMESPACE.
185 One more legitimate use is that if TYPE_FLAG_STUB is set, this is
186 the name to use to look for definitions in other files. */
190 /* Length of storage for a value of this type. Various places pass
191 this to memcpy and such, meaning it must be in units of
192 HOST_CHAR_BIT. Various other places expect they can calculate
193 addresses by adding it and such, meaning it must be in units of
194 TARGET_CHAR_BIT. For some DSP targets, in which HOST_CHAR_BIT
195 will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this
196 is a problem. One fix would be to make this field in bits
197 (requiring that it always be a multiple of HOST_CHAR_BIT and
198 TARGET_CHAR_BIT)--the other choice would be to make it
199 consistently in units of HOST_CHAR_BIT. */
203 /* FIXME, these should probably be restricted to a Fortran-specific
204 field in some fashion. */
205 #define BOUND_CANNOT_BE_DETERMINED 5
206 #define BOUND_BY_REF_ON_STACK 4
207 #define BOUND_BY_VALUE_ON_STACK 3
208 #define BOUND_BY_REF_IN_REG 2
209 #define BOUND_BY_VALUE_IN_REG 1
210 #define BOUND_SIMPLE 0
211 int upper_bound_type;
212 int lower_bound_type;
214 /* Every type is now associated with a particular objfile, and the
215 type is allocated on the type_obstack for that objfile. One problem
216 however, is that there are times when gdb allocates new types while
217 it is not in the process of reading symbols from a particular objfile.
218 Fortunately, these happen when the type being created is a derived
219 type of an existing type, such as in lookup_pointer_type(). So
220 we can just allocate the new type using the same objfile as the
221 existing type, but to do this we need a backpointer to the objfile
222 from the existing type. Yes this is somewhat ugly, but without
223 major overhaul of the internal type system, it can't be avoided
226 struct objfile *objfile;
228 /* For a pointer type, describes the type of object pointed to.
229 For an array type, describes the type of the elements.
230 For a function or method type, describes the type of the return value.
231 For a range type, describes the type of the full range.
232 For a complex type, describes the type of each coordinate.
235 struct type *target_type;
237 /* Type that is a pointer to this type.
238 NULL if no such pointer-to type is known yet.
239 The debugger may add the address of such a type
240 if it has to construct one later. */
242 struct type *pointer_type;
244 /* C++: also need a reference type. */
246 struct type *reference_type;
248 /* Flags about this type. */
252 /* Number of fields described for this type */
256 /* For structure and union types, a description of each field.
257 For set and pascal array types, there is one "field",
258 whose type is the domain type of the set or array.
259 For range types, there are two "fields",
260 the minimum and maximum values (both inclusive).
261 For enum types, each possible value is described by one "field".
262 For a function type, a "field" for each parameter type.
263 For C++ classes, there is one field for each base class (if it is
264 a derived class) plus one field for each class data member. Member
265 functions are recorded elsewhere.
267 Using a pointer to a separate array of fields
268 allows all types to have the same size, which is useful
269 because we can allocate the space for a type before
270 we know what to put in it. */
275 /* Position of this field, counting in bits from start of
276 containing structure. For a function type, this is the
277 position in the argument list of this argument.
278 For a range bound or enum value, this is the value itself.
279 (FIXME: What about ranges larger than host int size?)
280 For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
281 For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB. */
285 /* Size of this field, in bits, or zero if not packed.
286 For an unpacked field, the field's type's length
287 says how many bytes the field occupies. */
288 /* FIXME: This is abused by TYPE_FIELD_STATIC_PHYSNAME to contain
289 a pointer, so it has to be long. */
293 /* In a struct or enum type, type of this field.
294 In a function type, type of this argument.
295 In an array type, the domain-type of the array. */
299 /* Name of field, value or argument.
300 NULL for range bounds and array domains. */
306 /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
307 is the base class which defined the virtual function table pointer.
309 For types that are pointer to member types (TYPE_CODE_MEMBER),
310 VPTR_BASETYPE is the type that this pointer is a member of.
312 For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
313 type that contains the method.
317 struct type *vptr_basetype;
319 /* Field number of the virtual function table pointer in
320 VPTR_BASETYPE. If -1, we were unable to find the virtual
321 function table pointer in initial symbol reading, and
322 fill_in_vptr_fieldno should be called to find it if possible.
324 Unused if this type does not have virtual functions. */
328 /* Slot to point to additional language-specific fields of this type. */
333 /* ARG_TYPES is for TYPE_CODE_METHOD.
334 Contains the type of each argument, ending with a void type
335 after the last argument for normal member functions or a NULL
336 pointer after the last argument for functions with variable
339 struct type **arg_types;
341 /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
342 cplus_struct_default, a default static instance of a struct
343 cplus_struct_type. */
345 struct cplus_struct_type *cplus_stuff;
350 #define NULL_TYPE ((struct type *) 0)
352 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
355 struct cplus_struct_type
357 /* Number of base classes this type derives from. The baseclasses are
358 stored in the first N_BASECLASSES fields (i.e. the `fields' field of
359 the struct type). I think only the `type' field of such a field has
364 /* Number of methods with unique names. All overloaded methods with
365 the same name count only once. */
369 /* Number of methods described for this type, not including the
370 methods that it derives from. */
372 int nfn_fields_total;
374 /* For derived classes, the number of base classes is given by n_baseclasses
375 and virtual_field_bits is a bit vector containing one bit per base class.
376 If the base class is virtual, the corresponding bit will be set.
381 class C : public B, public virtual A {};
383 B is a baseclass of C; A is a virtual baseclass for C.
384 This is a C++ 2.0 language feature. */
386 B_TYPE *virtual_field_bits;
388 /* For classes with private fields, the number of fields is given by
389 nfields and private_field_bits is a bit vector containing one bit
391 If the field is private, the corresponding bit will be set. */
393 B_TYPE *private_field_bits;
395 /* For classes with protected fields, the number of fields is given by
396 nfields and protected_field_bits is a bit vector containing one bit
398 If the field is private, the corresponding bit will be set. */
400 B_TYPE *protected_field_bits;
402 /* for classes with fields to be ignored, either this is optimized out
403 or this field has length 0 */
405 B_TYPE *ignore_field_bits;
407 /* For classes, structures, and unions, a description of each field,
408 which consists of an overloaded name, followed by the types of
409 arguments that the method expects, and then the name after it
410 has been renamed to make it distinct.
412 fn_fieldlists points to an array of nfn_fields of these. */
417 /* The overloaded name. */
421 /* The number of methods with this name. */
425 /* The list of methods. */
430 /* If is_stub is clear, this is the mangled name which we can
431 look up to find the address of the method (FIXME: it would
432 be cleaner to have a pointer to the struct symbol here
435 /* If is_stub is set, this is the portion of the mangled
436 name which specifies the arguments. For example, "ii",
437 if there are two int arguments, or "" if there are no
438 arguments. See gdb_mangle_name for the conversion from this
439 format to the one used if is_stub is clear. */
443 /* The type of the method. */
447 /* For virtual functions.
448 First baseclass that defines this virtual function. */
450 struct type *fcontext;
454 unsigned int is_const : 1;
455 unsigned int is_volatile : 1;
456 unsigned int is_private : 1;
457 unsigned int is_protected : 1;
459 /* A stub method only has some fields valid (but they are enough
460 to reconstruct the rest of the fields). */
461 unsigned int is_stub : 1;
464 unsigned int dummy : 3;
466 /* Index into that baseclass's virtual function table,
467 minus 2; else if static: VOFFSET_STATIC; else: 0. */
469 unsigned int voffset : 24;
471 # define VOFFSET_STATIC 1
479 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
480 this shared static structure. */
482 extern const struct cplus_struct_type cplus_struct_default;
485 allocate_cplus_struct_type PARAMS ((struct type *));
487 #define INIT_CPLUS_SPECIFIC(type) \
488 (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
489 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
490 #define HAVE_CPLUS_STRUCT(type) \
491 (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
493 #define TYPE_NAME(thistype) (thistype)->name
494 #define TYPE_TAG_NAME(type) ((type)->tag_name)
495 #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
496 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
497 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
498 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
499 But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
500 so you only have to call check_typedef once. Since allocate_value
501 calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
502 #define TYPE_LENGTH(thistype) (thistype)->length
503 #define TYPE_OBJFILE(thistype) (thistype)->objfile
504 #define TYPE_FLAGS(thistype) (thistype)->flags
505 #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
506 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real
507 type, you need to do TYPE_CODE (check_type (this_type)). */
508 #define TYPE_CODE(thistype) (thistype)->code
509 #define TYPE_NFIELDS(thistype) (thistype)->nfields
510 #define TYPE_FIELDS(thistype) (thistype)->fields
512 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
513 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
514 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
516 /* Moto-specific stuff for FORTRAN arrays */
518 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type
519 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type
521 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
522 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
524 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
525 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
529 #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
530 #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
531 #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
532 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
533 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
534 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
535 #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
536 #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
537 #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
538 #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
539 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
540 #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
541 #define TYPE_BASECLASS_BITPOS(thistype,index) (thistype)->fields[index].bitpos
542 #define BASETYPE_VIA_PUBLIC(thistype, index) (!TYPE_FIELD_PRIVATE(thistype, index))
543 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
544 B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index))
546 #define TYPE_FIELD(thistype, n) (thistype)->fields[n]
547 #define TYPE_FIELD_TYPE(thistype, n) (thistype)->fields[n].type
548 #define TYPE_FIELD_NAME(thistype, n) (thistype)->fields[n].name
549 #define TYPE_FIELD_VALUE(thistype, n) (* (int*) &(thistype)->fields[n].type)
550 #define TYPE_FIELD_BITPOS(thistype, n) (thistype)->fields[n].bitpos
551 #define TYPE_FIELD_BITSIZE(thistype, n) (thistype)->fields[n].bitsize
552 #define TYPE_FIELD_PACKED(thistype, n) (thistype)->fields[n].bitsize
554 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
555 TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
556 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
557 TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
558 #define TYPE_FIELD_IGNORE_BITS(thistype) \
559 TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
560 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
561 TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
562 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
563 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
564 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
565 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
566 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
567 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
568 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
569 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
570 #define TYPE_FIELD_PRIVATE(thistype, n) \
571 (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
572 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
573 #define TYPE_FIELD_PROTECTED(thistype, n) \
574 (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
575 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
576 #define TYPE_FIELD_IGNORE(thistype, n) \
577 (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
578 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
579 #define TYPE_FIELD_VIRTUAL(thistype, n) \
580 B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
582 #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitpos == -1)
583 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) ((char *)(thistype)->fields[n].bitsize)
585 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
586 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
587 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
588 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
589 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
591 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
592 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
593 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
594 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
595 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
596 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
597 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
598 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
599 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
600 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
601 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
602 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
603 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
605 extern struct type *builtin_type_void;
606 extern struct type *builtin_type_char;
607 extern struct type *builtin_type_short;
608 extern struct type *builtin_type_int;
609 extern struct type *builtin_type_long;
610 extern struct type *builtin_type_signed_char;
611 extern struct type *builtin_type_unsigned_char;
612 extern struct type *builtin_type_unsigned_short;
613 extern struct type *builtin_type_unsigned_int;
614 extern struct type *builtin_type_unsigned_long;
615 extern struct type *builtin_type_float;
616 extern struct type *builtin_type_double;
617 extern struct type *builtin_type_long_double;
618 extern struct type *builtin_type_complex;
619 extern struct type *builtin_type_double_complex;
620 extern struct type *builtin_type_string;
622 /* This type represents a type that was unrecognized in symbol
625 extern struct type *builtin_type_error;
627 extern struct type *builtin_type_long_long;
628 extern struct type *builtin_type_unsigned_long_long;
632 extern struct type *builtin_type_m2_char;
633 extern struct type *builtin_type_m2_int;
634 extern struct type *builtin_type_m2_card;
635 extern struct type *builtin_type_m2_real;
636 extern struct type *builtin_type_m2_bool;
640 extern struct type *builtin_type_chill_bool;
641 extern struct type *builtin_type_chill_char;
642 extern struct type *builtin_type_chill_long;
643 extern struct type *builtin_type_chill_ulong;
644 extern struct type *builtin_type_chill_real;
646 /* Fortran (F77) types */
648 extern struct type *builtin_type_f_character;
649 extern struct type *builtin_type_f_integer;
650 extern struct type *builtin_type_f_logical;
651 extern struct type *builtin_type_f_logical_s1;
652 extern struct type *builtin_type_f_logical_s2;
653 extern struct type *builtin_type_f_integer;
654 extern struct type *builtin_type_f_integer_s2;
655 extern struct type *builtin_type_f_real;
656 extern struct type *builtin_type_f_real_s8;
657 extern struct type *builtin_type_f_real_s16;
658 extern struct type *builtin_type_f_complex_s8;
659 extern struct type *builtin_type_f_complex_s16;
660 extern struct type *builtin_type_f_complex_s32;
661 extern struct type *builtin_type_f_void;
663 /* Maximum and minimum values of built-in types */
665 #define MAX_OF_TYPE(t) \
666 TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
667 : MAX_OF_SIZE(TYPE_LENGTH(t))
669 #define MIN_OF_TYPE(t) \
670 TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
671 : MIN_OF_SIZE(TYPE_LENGTH(t))
673 /* Allocate space for storing data associated with a particular type.
674 We ensure that the space is allocated using the same mechanism that
675 was used to allocate the space for the type structure itself. I.E.
676 if the type is on an objfile's type_obstack, then the space for data
677 associated with that type will also be allocated on the type_obstack.
678 If the type is not associated with any particular objfile (such as
679 builtin types), then the data space will be allocated with xmalloc,
680 the same as for the type structure. */
682 #define TYPE_ALLOC(t,size) \
683 (TYPE_OBJFILE (t) != NULL \
684 ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
688 alloc_type PARAMS ((struct objfile *));
691 init_type PARAMS ((enum type_code, int, int, char *, struct objfile *));
694 lookup_reference_type PARAMS ((struct type *));
697 make_reference_type PARAMS ((struct type *, struct type **));
700 lookup_member_type PARAMS ((struct type *, struct type *));
703 smash_to_method_type PARAMS ((struct type *, struct type *, struct type *,
707 smash_to_member_type PARAMS ((struct type *, struct type *, struct type *));
710 allocate_stub_method PARAMS ((struct type *));
713 type_name_no_tag PARAMS ((const struct type *));
716 lookup_struct_elt_type PARAMS ((struct type *, char *, int));
719 make_pointer_type PARAMS ((struct type *, struct type **));
722 lookup_pointer_type PARAMS ((struct type *));
725 make_function_type PARAMS ((struct type *, struct type **));
728 lookup_function_type PARAMS ((struct type *));
731 create_range_type PARAMS ((struct type *, struct type *, int, int));
734 create_array_type PARAMS ((struct type *, struct type *, struct type *));
737 create_string_type PARAMS ((struct type *, struct type *));
739 extern struct type *create_set_type PARAMS ((struct type *, struct type *));
741 extern int chill_varying_type PARAMS ((struct type*));
744 lookup_unsigned_typename PARAMS ((char *));
747 lookup_signed_typename PARAMS ((char *));
750 check_typedef PARAMS ((struct type *));
752 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
755 check_stub_method PARAMS ((struct type *, int, int));
758 lookup_primitive_typename PARAMS ((char *));
761 gdb_mangle_name PARAMS ((struct type *, int, int));
764 builtin_type PARAMS ((char **));
767 lookup_typename PARAMS ((char *, struct block *, int));
770 lookup_template_type PARAMS ((char *, struct type *, struct block *));
773 lookup_fundamental_type PARAMS ((struct objfile *, int));
776 fill_in_vptr_fieldno PARAMS ((struct type *));
778 extern int get_destructor_fn_field PARAMS ((struct type *, int *, int *));
780 extern int get_discrete_bounds PARAMS ((struct type*, LONGEST*, LONGEST*));
783 extern void recursive_dump_type PARAMS ((struct type *, int));
789 print_scalar_formatted PARAMS ((char *, struct type *, int, int, GDB_FILE *));
791 extern int can_dereference PARAMS ((struct type *));
794 extern void maintenance_print_type PARAMS ((char *, int));
799 extern void print_type_scalar PARAMS ((struct type *, LONGEST, GDB_FILE *));
801 #endif /* GDBTYPES_H */