1 /* Internal type definitions for GDB.
2 Copyright (C) 1992, 1993, 1994, 1996, 1998, 1999
3 Free Software Foundation, Inc.
4 Contributed by Cygnus Support, using pieces from other GDB modules.
6 This file is part of GDB.
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.
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.
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. */
23 #if !defined (GDBTYPES_H)
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?) */
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 */
38 #define FT_SIGNED_SHORT 6
39 #define FT_UNSIGNED_SHORT 7
41 #define FT_SIGNED_INTEGER 9
42 #define FT_UNSIGNED_INTEGER 10
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
50 #define FT_DBL_PREC_FLOAT 18
51 #define FT_EXT_PREC_FLOAT 19
53 #define FT_DBL_PREC_COMPLEX 21
54 #define FT_EXT_PREC_COMPLEX 22
56 #define FT_FIXED_DECIMAL 24
57 #define FT_FLOAT_DECIMAL 25
59 #define FT_UNSIGNED_BYTE 27
60 #define FT_TEMPLATE_ARG 28
62 #define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */
64 /* Some macros for char-based bitfields. */
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))
73 /* Different kinds of data types are distinguished by the `code' field. */
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 */
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. */
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. */
97 TYPE_CODE_SET
, /* Pascal sets */
98 TYPE_CODE_RANGE
, /* Range (integers within spec'd bounds) */
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. */
106 /* String of bits; like TYPE_CODE_SET but prints differently (at least
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. */
115 TYPE_CODE_MEMBER
, /* Member type */
116 TYPE_CODE_METHOD
, /* Method type */
117 TYPE_CODE_REF
, /* C++ Reference types */
119 TYPE_CODE_CHAR
, /* *real* character type */
121 /* Boolean type. 0 is false, 1 is true, and other values are non-boolean
122 (e.g. FORTRAN "logical" used as unsigned int). */
126 TYPE_CODE_COMPLEX
, /* Complex float */
129 TYPE_CODE_TEMPLATE
, /* C++ template */
130 TYPE_CODE_TEMPLATE_ARG
/* C++ template arg */
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. */
140 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
142 /* Some bits for the type's flags word. */
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). */
147 #define TYPE_FLAG_UNSIGNED (1 << 0)
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
153 #define TYPE_FLAG_NOSIGN (1 << 1)
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 *)). */
159 #define TYPE_FLAG_STUB (1 << 2)
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. */
167 #define TYPE_FLAG_TARGET_STUB (1 << 3)
169 /* Static type. If this is set, the corresponding type had
171 * Note: This may be unnecessary, since static data members
172 * are indicated by other means (bitpos == -1)
175 #define TYPE_FLAG_STATIC (1 << 4)
177 /* Constant type. If this is set, the corresponding type has a
181 #define TYPE_FLAG_CONST (1 << 5)
183 /* Volatile type. If this is set, the corresponding type has a
187 #define TYPE_FLAG_VOLATILE (1 << 6)
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. */
194 #define TYPE_FLAG_PROTOTYPED (1 << 7)
196 /* This flag is used to indicate that processing for this type
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.) */
204 #define TYPE_FLAG_INCOMPLETE (1 << 8)
210 /* Code for kind of type */
214 /* Name of this type, or NULL if none.
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. */
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
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. */
234 /* Length of storage for a value of this type. Various places pass
235 this to memcpy and such, meaning it must be in units of
236 HOST_CHAR_BIT. Various other places expect they can calculate
237 addresses by adding it and such, meaning it must be in units of
238 TARGET_CHAR_BIT. For some DSP targets, in which HOST_CHAR_BIT
239 will (presumably) be 8 and TARGET_CHAR_BIT will be (say) 32, this
240 is a problem. One fix would be to make this field in bits
241 (requiring that it always be a multiple of HOST_CHAR_BIT and
242 TARGET_CHAR_BIT)--the other choice would be to make it
243 consistently in units of HOST_CHAR_BIT. */
247 /* FIXME, these should probably be restricted to a Fortran-specific
248 field in some fashion. */
249 #define BOUND_CANNOT_BE_DETERMINED 5
250 #define BOUND_BY_REF_ON_STACK 4
251 #define BOUND_BY_VALUE_ON_STACK 3
252 #define BOUND_BY_REF_IN_REG 2
253 #define BOUND_BY_VALUE_IN_REG 1
254 #define BOUND_SIMPLE 0
255 int upper_bound_type
;
256 int lower_bound_type
;
258 /* Every type is now associated with a particular objfile, and the
259 type is allocated on the type_obstack for that objfile. One problem
260 however, is that there are times when gdb allocates new types while
261 it is not in the process of reading symbols from a particular objfile.
262 Fortunately, these happen when the type being created is a derived
263 type of an existing type, such as in lookup_pointer_type(). So
264 we can just allocate the new type using the same objfile as the
265 existing type, but to do this we need a backpointer to the objfile
266 from the existing type. Yes this is somewhat ugly, but without
267 major overhaul of the internal type system, it can't be avoided
270 struct objfile
*objfile
;
272 /* For a pointer type, describes the type of object pointed to.
273 For an array type, describes the type of the elements.
274 For a function or method type, describes the type of the return value.
275 For a range type, describes the type of the full range.
276 For a complex type, describes the type of each coordinate.
279 struct type
*target_type
;
281 /* Type that is a pointer to this type.
282 NULL if no such pointer-to type is known yet.
283 The debugger may add the address of such a type
284 if it has to construct one later. */
286 struct type
*pointer_type
;
288 /* C++: also need a reference type. */
290 struct type
*reference_type
;
292 /* C-v variant chain. This points to a type that
293 differs from this one only in a const or volatile
294 attribute (or both). The various c-v variants
295 are chained together in a ring. */
296 struct type
*cv_type
;
298 /* Flags about this type. */
302 /* Number of fields described for this type */
306 /* For structure and union types, a description of each field.
307 For set and pascal array types, there is one "field",
308 whose type is the domain type of the set or array.
309 For range types, there are two "fields",
310 the minimum and maximum values (both inclusive).
311 For enum types, each possible value is described by one "field".
312 For a function type, a "field" for each parameter type.
313 For C++ classes, there is one field for each base class (if it is
314 a derived class) plus one field for each class data member. Member
315 functions are recorded elsewhere.
317 Using a pointer to a separate array of fields
318 allows all types to have the same size, which is useful
319 because we can allocate the space for a type before
320 we know what to put in it. */
329 /* Position of this field, counting in bits from start of
330 containing structure.
331 For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
332 For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
333 For a function type, this is the position in the argument list
335 For a range bound or enum value, this is the value itself. */
339 /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
340 is the location (in the target) of the static field.
341 Otherwise, physname is the mangled label of the static field. */
348 /* Size of this field, in bits, or zero if not packed.
349 For an unpacked field, the field's type's length
350 says how many bytes the field occupies.
351 A value of -1 or -2 indicates a static field; -1 means the location
352 is specified by the label loc.physname; -2 means that loc.physaddr
353 specifies the actual address. */
357 /* In a struct or union type, type of this field.
358 In a function type, type of this argument.
359 In an array type, the domain-type of the array. */
363 /* Name of field, value or argument.
364 NULL for range bounds and array domains. */
371 /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
372 is the base class which defined the virtual function table pointer.
374 For types that are pointer to member types (TYPE_CODE_MEMBER),
375 VPTR_BASETYPE is the type that this pointer is a member of.
377 For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
378 type that contains the method.
382 struct type
*vptr_basetype
;
384 /* Field number of the virtual function table pointer in
385 VPTR_BASETYPE. If -1, we were unable to find the virtual
386 function table pointer in initial symbol reading, and
387 fill_in_vptr_fieldno should be called to find it if possible.
389 Unused if this type does not have virtual functions. */
393 /* Slot to point to additional language-specific fields of this type. */
398 /* ARG_TYPES is for TYPE_CODE_METHOD.
399 Contains the type of each argument, ending with a void type
400 after the last argument for normal member functions or a NULL
401 pointer after the last argument for functions with variable
404 struct type
**arg_types
;
406 /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
407 cplus_struct_default, a default static instance of a struct
408 cplus_struct_type. */
410 struct cplus_struct_type
*cplus_stuff
;
416 #define NULL_TYPE ((struct type *) 0)
418 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
421 struct cplus_struct_type
423 /* Number of base classes this type derives from. The baseclasses are
424 stored in the first N_BASECLASSES fields (i.e. the `fields' field of
425 the struct type). I think only the `type' field of such a field has
430 /* Number of methods with unique names. All overloaded methods with
431 the same name count only once. */
435 /* Number of methods described for this type, not including the
436 methods that it derives from. */
438 short nfn_fields_total
;
440 /* The "declared_type" field contains a code saying how the
441 user really declared this type, e.g., "class s", "union s",
443 The 3 above things come out from the C++ compiler looking like classes,
444 but we keep track of the real declaration so we can give
445 the correct information on "ptype". (Note: TEMPLATE may not
446 belong in this list...) */
448 #define DECLARED_TYPE_CLASS 0
449 #define DECLARED_TYPE_UNION 1
450 #define DECLARED_TYPE_STRUCT 2
451 #define DECLARED_TYPE_TEMPLATE 3
452 short declared_type
; /* One of the above codes */
454 /* For derived classes, the number of base classes is given by n_baseclasses
455 and virtual_field_bits is a bit vector containing one bit per base class.
456 If the base class is virtual, the corresponding bit will be set.
461 class C : public B, public virtual A {};
463 B is a baseclass of C; A is a virtual baseclass for C.
464 This is a C++ 2.0 language feature. */
466 B_TYPE
*virtual_field_bits
;
468 /* For classes with private fields, the number of fields is given by
469 nfields and private_field_bits is a bit vector containing one bit
471 If the field is private, the corresponding bit will be set. */
473 B_TYPE
*private_field_bits
;
475 /* For classes with protected fields, the number of fields is given by
476 nfields and protected_field_bits is a bit vector containing one bit
478 If the field is private, the corresponding bit will be set. */
480 B_TYPE
*protected_field_bits
;
482 /* for classes with fields to be ignored, either this is optimized out
483 or this field has length 0 */
485 B_TYPE
*ignore_field_bits
;
487 /* For classes, structures, and unions, a description of each field,
488 which consists of an overloaded name, followed by the types of
489 arguments that the method expects, and then the name after it
490 has been renamed to make it distinct.
492 fn_fieldlists points to an array of nfn_fields of these. */
497 /* The overloaded name. */
501 /* The number of methods with this name. */
505 /* The list of methods. */
510 /* If is_stub is clear, this is the mangled name which we can
511 look up to find the address of the method (FIXME: it would
512 be cleaner to have a pointer to the struct symbol here
515 /* If is_stub is set, this is the portion of the mangled
516 name which specifies the arguments. For example, "ii",
517 if there are two int arguments, or "" if there are no
518 arguments. See gdb_mangle_name for the conversion from this
519 format to the one used if is_stub is clear. */
523 /* The function type for the method.
524 (This comment used to say "The return value of the method",
525 but that's wrong. The function type
526 is expected here, i.e. something with TYPE_CODE_FUNC,
527 and *not* the return-value type). */
531 /* The argument list. Only valid if is_stub is clear. Contains
532 the type of each argument, including `this', and ending with
533 a NULL pointer after the last argument. Should not contain
534 a `this' pointer for static member functions. */
538 /* For virtual functions.
539 First baseclass that defines this virtual function. */
541 struct type
*fcontext
;
545 unsigned int is_const
:1;
546 unsigned int is_volatile
:1;
547 unsigned int is_private
:1;
548 unsigned int is_protected
:1;
549 unsigned int is_public
:1;
550 unsigned int is_abstract
:1;
551 unsigned int is_static
:1;
552 unsigned int is_final
:1;
553 unsigned int is_synchronized
:1;
554 unsigned int is_native
:1;
556 /* A stub method only has some fields valid (but they are enough
557 to reconstruct the rest of the fields). */
558 unsigned int is_stub
:1;
560 /* C++ method that is inlined */
561 unsigned int is_inlined
:1;
564 unsigned int dummy
:4;
566 /* Index into that baseclass's virtual function table,
567 minus 2; else if static: VOFFSET_STATIC; else: 0. */
569 unsigned int voffset
:16;
571 #define VOFFSET_STATIC 1
579 /* If this "struct type" describes a template, then it
580 * has arguments. "template_args" points to an array of
581 * template arg descriptors, of length "ntemplate_args".
582 * The only real information in each of these template arg descriptors
583 * is a name. "type" will typically just point to a "struct type" with
584 * the placeholder TYPE_CODE_TEMPLATE_ARG type.
586 short ntemplate_args
;
594 /* If this "struct type" describes a template, it has a list
595 * of instantiations. "instantiations" is a pointer to an array
596 * of type's, one representing each instantiation. There
597 * are "ninstantiations" elements in this array.
599 short ninstantiations
;
600 struct type
**instantiations
;
602 /* The following points to information relevant to the runtime model
604 * Currently being used only for HP's ANSI C++ compiler.
605 * (This type may have to be changed/enhanced for other compilers.)
607 * RUNTIME_PTR is NULL if there is no runtime information (currently
608 * this means the type was not compiled by HP aCC).
610 * Fields in structure pointed to:
611 * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
613 * ->PRIMARY_BASE points to the first non-virtual base class that has
616 * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
617 * point to the type information for all virtual bases among this type's
623 struct type
*primary_base
;
624 struct type
**virtual_base_list
;
628 /* Pointer to information about enclosing scope, if this is a
629 * local type. If it is not a local type, this is NULL
631 struct local_type_info
639 /* Struct used in computing virtual base list */
642 struct type
*vbasetype
; /* pointer to virtual base */
643 struct vbase
*next
; /* next in chain */
646 /* Struct used for ranking a function for overload resolution */
647 struct badness_vector
653 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
654 this shared static structure. */
656 extern const struct cplus_struct_type cplus_struct_default
;
659 allocate_cplus_struct_type
PARAMS ((struct type
*));
661 #define INIT_CPLUS_SPECIFIC(type) \
662 (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
663 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
664 #define HAVE_CPLUS_STRUCT(type) \
665 (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
667 #define TYPE_NAME(thistype) (thistype)->name
668 #define TYPE_TAG_NAME(type) ((type)->tag_name)
669 #define TYPE_TARGET_TYPE(thistype) (thistype)->target_type
670 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
671 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
672 #define TYPE_CV_TYPE(thistype) (thistype)->cv_type
673 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
674 But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
675 so you only have to call check_typedef once. Since allocate_value
676 calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
677 #define TYPE_LENGTH(thistype) (thistype)->length
678 #define TYPE_OBJFILE(thistype) (thistype)->objfile
679 #define TYPE_FLAGS(thistype) (thistype)->flags
680 #define TYPE_UNSIGNED(thistype) ((thistype)->flags & TYPE_FLAG_UNSIGNED)
681 #define TYPE_NOSIGN(thistype) ((thistype)->flags & TYPE_FLAG_NOSIGN)
682 #define TYPE_CONST(thistype) ((thistype)->flags & TYPE_FLAG_CONST)
683 #define TYPE_VOLATILE(thistype) ((thistype)->flags & TYPE_FLAG_VOLATILE)
684 #define TYPE_INCOMPLETE(thistype) ((thistype)->flags & TYPE_FLAG_INCOMPLETE)
685 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you wan the real
686 type, you need to do TYPE_CODE (check_type (this_type)). */
687 #define TYPE_CODE(thistype) (thistype)->code
688 #define TYPE_NFIELDS(thistype) (thistype)->nfields
689 #define TYPE_FIELDS(thistype) (thistype)->fields
690 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
691 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
693 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
694 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
695 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
697 /* Moto-specific stuff for FORTRAN arrays */
699 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) (thistype)->upper_bound_type
700 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) (thistype)->lower_bound_type
702 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
703 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
705 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
706 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
710 #define TYPE_VPTR_BASETYPE(thistype) (thistype)->vptr_basetype
711 #define TYPE_DOMAIN_TYPE(thistype) (thistype)->vptr_basetype
712 #define TYPE_VPTR_FIELDNO(thistype) (thistype)->vptr_fieldno
713 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
714 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
715 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
716 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
717 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
718 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
719 #define TYPE_TYPE_SPECIFIC(thistype) (thistype)->type_specific
720 #define TYPE_ARG_TYPES(thistype) (thistype)->type_specific.arg_types
721 #define TYPE_CPLUS_SPECIFIC(thistype) (thistype)->type_specific.cplus_stuff
722 #define TYPE_BASECLASS(thistype,index) (thistype)->fields[index].type
723 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
724 #define TYPE_BASECLASS_NAME(thistype,index) (thistype)->fields[index].name
725 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
726 #define BASETYPE_VIA_PUBLIC(thistype, index) \
727 ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
729 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
730 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
731 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
733 #define FIELD_TYPE(thisfld) ((thisfld).type)
734 #define FIELD_NAME(thisfld) ((thisfld).name)
735 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
736 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
737 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
738 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
739 #define SET_FIELD_PHYSNAME(thisfld, name) \
740 ((thisfld).bitsize = -1, FIELD_PHYSNAME(thisfld) = (name))
741 #define SET_FIELD_PHYSADDR(thisfld, name) \
742 ((thisfld).bitsize = -2, FIELD_PHYSADDR(thisfld) = (name))
743 #define TYPE_FIELD(thistype, n) (thistype)->fields[n]
744 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
745 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
746 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
747 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
748 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
749 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
750 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
752 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
753 TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
754 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
755 TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
756 #define TYPE_FIELD_IGNORE_BITS(thistype) \
757 TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
758 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
759 TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
760 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
761 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
762 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
763 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
764 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
765 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
766 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
767 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
768 #define TYPE_FIELD_PRIVATE(thistype, n) \
769 (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
770 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
771 #define TYPE_FIELD_PROTECTED(thistype, n) \
772 (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
773 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
774 #define TYPE_FIELD_IGNORE(thistype, n) \
775 (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
776 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
777 #define TYPE_FIELD_VIRTUAL(thistype, n) \
778 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
779 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
781 #define TYPE_FIELD_STATIC(thistype, n) ((thistype)->fields[n].bitsize < 0)
782 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) ((thistype)->fields[n].bitsize == -2)
783 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
784 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
786 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
787 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
788 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
789 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
790 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
792 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
793 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
794 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
795 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_ARG_TYPES ((thisfn)[n].type)
796 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
797 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
798 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
799 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
800 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
801 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
802 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
803 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
804 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
805 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
806 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
807 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
808 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
809 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
810 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
811 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
813 #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
814 #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
815 #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
816 #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
817 #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
819 #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
820 #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
821 #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
823 #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \
824 (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \
825 (TYPE_NFIELDS (thistype) == 0) && \
826 (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
831 extern struct type
*builtin_type_void
;
832 extern struct type
*builtin_type_char
;
833 extern struct type
*builtin_type_short
;
834 extern struct type
*builtin_type_int
;
835 extern struct type
*builtin_type_long
;
836 extern struct type
*builtin_type_signed_char
;
837 extern struct type
*builtin_type_unsigned_char
;
838 extern struct type
*builtin_type_unsigned_short
;
839 extern struct type
*builtin_type_unsigned_int
;
840 extern struct type
*builtin_type_unsigned_long
;
841 extern struct type
*builtin_type_float
;
842 extern struct type
*builtin_type_double
;
843 extern struct type
*builtin_type_long_double
;
844 extern struct type
*builtin_type_complex
;
845 extern struct type
*builtin_type_double_complex
;
846 extern struct type
*builtin_type_string
;
847 extern struct type
*builtin_type_bool
;
849 /* Explicit sizes - see <intypes.h> for naming schema */
850 extern struct type
*builtin_type_int8
;
851 extern struct type
*builtin_type_uint8
;
852 extern struct type
*builtin_type_int16
;
853 extern struct type
*builtin_type_uint16
;
854 extern struct type
*builtin_type_int32
;
855 extern struct type
*builtin_type_uint32
;
856 extern struct type
*builtin_type_int64
;
857 extern struct type
*builtin_type_uint64
;
859 /* We use this for the '/c' print format, because builtin_type_char is
860 just a one-byte integral type, which languages less laid back than
861 C will print as ... well, a one-byte integral type. */
862 extern struct type
*builtin_type_true_char
;
864 /* This type represents a type that was unrecognized in symbol
867 extern struct type
*builtin_type_error
;
869 extern struct type
*builtin_type_long_long
;
870 extern struct type
*builtin_type_unsigned_long_long
;
874 extern struct type
*builtin_type_m2_char
;
875 extern struct type
*builtin_type_m2_int
;
876 extern struct type
*builtin_type_m2_card
;
877 extern struct type
*builtin_type_m2_real
;
878 extern struct type
*builtin_type_m2_bool
;
882 extern struct type
*builtin_type_chill_bool
;
883 extern struct type
*builtin_type_chill_char
;
884 extern struct type
*builtin_type_chill_long
;
885 extern struct type
*builtin_type_chill_ulong
;
886 extern struct type
*builtin_type_chill_real
;
888 /* Fortran (F77) types */
890 extern struct type
*builtin_type_f_character
;
891 extern struct type
*builtin_type_f_integer
;
892 extern struct type
*builtin_type_f_logical
;
893 extern struct type
*builtin_type_f_logical_s1
;
894 extern struct type
*builtin_type_f_logical_s2
;
895 extern struct type
*builtin_type_f_integer
;
896 extern struct type
*builtin_type_f_integer_s2
;
897 extern struct type
*builtin_type_f_real
;
898 extern struct type
*builtin_type_f_real_s8
;
899 extern struct type
*builtin_type_f_real_s16
;
900 extern struct type
*builtin_type_f_complex_s8
;
901 extern struct type
*builtin_type_f_complex_s16
;
902 extern struct type
*builtin_type_f_complex_s32
;
903 extern struct type
*builtin_type_f_void
;
906 /* extern struct type *builtin_type_cxx_typeinfo; */
908 /* Maximum and minimum values of built-in types */
910 #define MAX_OF_TYPE(t) \
911 TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
912 : MAX_OF_SIZE(TYPE_LENGTH(t))
914 #define MIN_OF_TYPE(t) \
915 TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
916 : MIN_OF_SIZE(TYPE_LENGTH(t))
918 /* Allocate space for storing data associated with a particular type.
919 We ensure that the space is allocated using the same mechanism that
920 was used to allocate the space for the type structure itself. I.E.
921 if the type is on an objfile's type_obstack, then the space for data
922 associated with that type will also be allocated on the type_obstack.
923 If the type is not associated with any particular objfile (such as
924 builtin types), then the data space will be allocated with xmalloc,
925 the same as for the type structure. */
927 #define TYPE_ALLOC(t,size) \
928 (TYPE_OBJFILE (t) != NULL \
929 ? obstack_alloc (&TYPE_OBJFILE (t) -> type_obstack, size) \
933 alloc_type
PARAMS ((struct objfile
*));
936 init_type
PARAMS ((enum type_code
, int, int, char *, struct objfile
*));
939 lookup_reference_type
PARAMS ((struct type
*));
942 make_reference_type
PARAMS ((struct type
*, struct type
**));
945 make_cv_type
PARAMS ((int, int, struct type
*, struct type
**));
948 lookup_member_type
PARAMS ((struct type
*, struct type
*));
951 smash_to_method_type
PARAMS ((struct type
*, struct type
*, struct type
*,
955 smash_to_member_type
PARAMS ((struct type
*, struct type
*, struct type
*));
958 allocate_stub_method
PARAMS ((struct type
*));
961 type_name_no_tag
PARAMS ((const struct type
*));
964 lookup_struct_elt_type
PARAMS ((struct type
*, char *, int));
967 make_pointer_type
PARAMS ((struct type
*, struct type
**));
970 lookup_pointer_type
PARAMS ((struct type
*));
973 make_function_type
PARAMS ((struct type
*, struct type
**));
976 lookup_function_type
PARAMS ((struct type
*));
979 create_range_type
PARAMS ((struct type
*, struct type
*, int, int));
982 create_array_type
PARAMS ((struct type
*, struct type
*, struct type
*));
985 create_string_type
PARAMS ((struct type
*, struct type
*));
987 extern struct type
*create_set_type
PARAMS ((struct type
*, struct type
*));
989 extern int chill_varying_type
PARAMS ((struct type
*));
992 lookup_unsigned_typename
PARAMS ((char *));
995 lookup_signed_typename
PARAMS ((char *));
998 check_typedef
PARAMS ((struct type
*));
1000 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
1003 check_stub_method
PARAMS ((struct type
*, int, int));
1005 extern struct type
*
1006 lookup_primitive_typename
PARAMS ((char *));
1009 gdb_mangle_name
PARAMS ((struct type
*, int, int));
1011 extern struct type
*
1012 builtin_type
PARAMS ((char **));
1014 extern struct type
*
1015 lookup_typename
PARAMS ((char *, struct block
*, int));
1017 extern struct type
*
1018 lookup_template_type
PARAMS ((char *, struct type
*, struct block
*));
1020 extern struct type
*
1021 lookup_fundamental_type
PARAMS ((struct objfile
*, int));
1024 fill_in_vptr_fieldno
PARAMS ((struct type
*));
1026 extern int get_destructor_fn_field
PARAMS ((struct type
*, int *, int *));
1028 extern int get_discrete_bounds
PARAMS ((struct type
*, LONGEST
*, LONGEST
*));
1031 is_ancestor
PARAMS ((struct type
*, struct type
*));
1034 has_vtable
PARAMS ((struct type
*));
1036 extern struct type
*
1037 primary_base_class
PARAMS ((struct type
*));
1039 extern struct type
**
1040 virtual_base_list
PARAMS ((struct type
*));
1043 virtual_base_list_length
PARAMS ((struct type
*));
1045 virtual_base_list_length_skip_primaries
PARAMS ((struct type
*));
1048 virtual_base_index
PARAMS ((struct type
*, struct type
*));
1050 virtual_base_index_skip_primaries
PARAMS ((struct type
*, struct type
*));
1054 class_index_in_primary_list
PARAMS ((struct type
*));
1057 count_virtual_fns
PARAMS ((struct type
*));
1059 /* Constants for HP/Taligent ANSI C++ runtime model */
1061 /* Where virtual function entries begin in the
1062 * virtual table, in the non-RRBC vtable format.
1063 * First 4 are the metavtable pointer, top offset,
1064 * typeinfo pointer, and dup base info pointer */
1065 #define HP_ACC_VFUNC_START 4
1067 /* (Negative) Offset where virtual base offset entries begin
1068 * in the virtual table. Skips over metavtable pointer and
1069 * the self-offset entry.
1070 * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
1071 * appear before the address point of the vtable (the slot
1072 * pointed to by the object's vtable pointer), i.e. at lower
1073 * addresses than the vtable pointer. */
1074 #define HP_ACC_VBASE_START 2
1076 /* (Positive) Offset where the pointer to the typeinfo
1077 * object is present in the virtual table */
1078 #define HP_ACC_TYPEINFO_OFFSET 2
1080 /* (Positive) Offset where the ``top offset'' entry of
1081 * the virtual table is */
1082 #define HP_ACC_TOP_OFFSET_OFFSET 1
1084 /* Overload resolution */
1086 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1088 /* Badness if parameter list length doesn't match arg list length */
1089 #define LENGTH_MISMATCH_BADNESS 100
1090 /* Dummy badness value for nonexistent parameter positions */
1091 #define TOO_FEW_PARAMS_BADNESS 100
1092 /* Badness if no conversion among types */
1093 #define INCOMPATIBLE_TYPE_BADNESS 100
1094 /* Badness of coercing large integer to smaller size */
1095 #define INTEGER_COERCION_BADNESS 100
1096 /* Badness of coercing large floating type to smaller size */
1097 #define FLOAT_COERCION_BADNESS 100
1099 /* Badness of integral promotion */
1100 #define INTEGER_PROMOTION_BADNESS 1
1101 /* Badness of floating promotion */
1102 #define FLOAT_PROMOTION_BADNESS 1
1103 /* Badness of integral conversion */
1104 #define INTEGER_CONVERSION_BADNESS 2
1105 /* Badness of floating conversion */
1106 #define FLOAT_CONVERSION_BADNESS 2
1107 /* Badness of integer<->floating conversions */
1108 #define INT_FLOAT_CONVERSION_BADNESS 2
1109 /* Badness of converting to a boolean */
1110 #define BOOLEAN_CONVERSION_BADNESS 2
1111 /* Badness of pointer conversion */
1112 #define POINTER_CONVERSION_BADNESS 2
1113 /* Badness of conversion of pointer to void pointer */
1114 #define VOID_PTR_CONVERSION_BADNESS 2
1115 /* Badness of convering derived to base class */
1116 #define BASE_CONVERSION_BADNESS 2
1118 /* Non-standard conversions allowed by the debugger */
1119 /* Converting a pointer to an int is usually OK */
1120 #define NS_POINTER_CONVERSION_BADNESS 10
1124 compare_badness
PARAMS ((struct badness_vector
*, struct badness_vector
*));
1126 extern struct badness_vector
*
1127 rank_function
PARAMS ((struct type
**, int, struct type
**, int));
1130 rank_one_type
PARAMS ((struct type
*, struct type
*));
1132 extern void recursive_dump_type
PARAMS ((struct type
*, int));
1137 print_scalar_formatted
PARAMS ((char *, struct type
*, int, int, GDB_FILE
*));
1139 extern int can_dereference
PARAMS ((struct type
*));
1141 extern int is_integral_type
PARAMS ((struct type
*));
1143 extern void maintenance_print_type
PARAMS ((char *, int));
1147 extern void print_type_scalar
PARAMS ((struct type
*, LONGEST
, GDB_FILE
*));
1149 #endif /* GDBTYPES_H */