1 /* Internal type definitions for GDB.
3 Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
6 Contributed by Cygnus Support, using pieces from other GDB modules.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
25 #if !defined (GDBTYPES_H)
28 /* Forward declarations for prototypes. */
32 /* Codes for `fundamental types'. This is a monstrosity based on the
33 bogus notion that there are certain compiler-independent
34 `fundamental types'. None of these is well-defined (how big is
35 FT_SHORT? Does it depend on the language? How does the
36 language-specific code know which type to correlate to FT_SHORT?) */
40 #define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */
41 #define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */
42 #define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */
44 #define FT_SIGNED_SHORT 6
45 #define FT_UNSIGNED_SHORT 7
47 #define FT_SIGNED_INTEGER 9
48 #define FT_UNSIGNED_INTEGER 10
50 #define FT_SIGNED_LONG 12
51 #define FT_UNSIGNED_LONG 13
52 #define FT_LONG_LONG 14
53 #define FT_SIGNED_LONG_LONG 15
54 #define FT_UNSIGNED_LONG_LONG 16
56 #define FT_DBL_PREC_FLOAT 18
57 #define FT_EXT_PREC_FLOAT 19
59 #define FT_DBL_PREC_COMPLEX 21
60 #define FT_EXT_PREC_COMPLEX 22
62 #define FT_FIXED_DECIMAL 24
63 #define FT_FLOAT_DECIMAL 25
65 #define FT_UNSIGNED_BYTE 27
66 #define FT_TEMPLATE_ARG 28
68 #define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */
70 /* Some macros for char-based bitfields. */
72 #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
73 #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
74 #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
75 #define B_TYPE unsigned char
76 #define B_BYTES(x) ( 1 + ((x)>>3) )
77 #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
79 /* Different kinds of data types are distinguished by the `code' field. */
83 TYPE_CODE_UNDEF
, /* Not used; catches errors */
84 TYPE_CODE_PTR
, /* Pointer type */
85 TYPE_CODE_ARRAY
, /* Array type with lower & upper bounds. */
86 TYPE_CODE_STRUCT
, /* C struct or Pascal record */
87 TYPE_CODE_UNION
, /* C union or Pascal variant part */
88 TYPE_CODE_ENUM
, /* Enumeration type */
89 TYPE_CODE_FUNC
, /* Function type */
90 TYPE_CODE_INT
, /* Integer type */
92 /* Floating type. This is *NOT* a complex type. Beware, there are parts
93 of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
96 /* Void type. The length field specifies the length (probably always
97 one) which is used in pointer arithmetic involving pointers to
98 this type, but actually dereferencing such a pointer is invalid;
99 a void type has no length and no actual representation in memory
100 or registers. A pointer to a void type is a generic pointer. */
103 TYPE_CODE_SET
, /* Pascal sets */
104 TYPE_CODE_RANGE
, /* Range (integers within spec'd bounds) */
106 /* A string type which is like an array of character but prints
107 differently (at least for (the deleted) CHILL). It does not
108 contain a length field as Pascal strings (for many Pascals,
109 anyway) do; if we want to deal with such strings, we should use
113 /* String of bits; like TYPE_CODE_SET but prints differently (at
114 least for (the deleted) CHILL). */
117 /* Unknown type. The length field is valid if we were able to
118 deduce that much about the type, or 0 if we don't even know that. */
122 TYPE_CODE_MEMBER
, /* Member type */
123 TYPE_CODE_METHOD
, /* Method type */
124 TYPE_CODE_REF
, /* C++ Reference types */
126 TYPE_CODE_CHAR
, /* *real* character type */
128 /* Boolean type. 0 is false, 1 is true, and other values are non-boolean
129 (e.g. FORTRAN "logical" used as unsigned int). */
133 TYPE_CODE_COMPLEX
, /* Complex float */
136 TYPE_CODE_TEMPLATE
, /* C++ template */
137 TYPE_CODE_TEMPLATE_ARG
, /* C++ template arg */
139 TYPE_CODE_NAMESPACE
/* C++ namespace. */
142 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
143 alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct
144 "class" attribute. Perhaps we should actually have a separate TYPE_CODE
145 so that we can print "class" or "struct" depending on what the debug
146 info said. It's not clear we should bother. */
148 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
150 /* Some bits for the type's flags word, and macros to test them. */
152 /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
153 type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
155 #define TYPE_FLAG_UNSIGNED (1 << 0)
156 #define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED)
158 /* No sign for this type. In C++, "char", "signed char", and "unsigned
159 char" are distinct types; so we need an extra flag to indicate the
160 absence of a sign! */
162 #define TYPE_FLAG_NOSIGN (1 << 1)
163 #define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN)
165 /* This appears in a type's flags word if it is a stub type (e.g., if
166 someone referenced a type that wasn't defined in a source file
167 via (struct sir_not_appearing_in_this_film *)). */
169 #define TYPE_FLAG_STUB (1 << 2)
170 #define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB)
172 /* The target type of this type is a stub type, and this type needs to
173 be updated if it gets un-stubbed in check_typedef.
174 Used for arrays and ranges, in which TYPE_LENGTH of the array/range
175 gets set based on the TYPE_LENGTH of the target type.
176 Also, set for TYPE_CODE_TYPEDEF. */
178 #define TYPE_FLAG_TARGET_STUB (1 << 3)
179 #define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB)
181 /* Static type. If this is set, the corresponding type had
183 * Note: This may be unnecessary, since static data members
184 * are indicated by other means (bitpos == -1)
187 #define TYPE_FLAG_STATIC (1 << 4)
188 #define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC)
190 /* Constant type. If this is set, the corresponding type has a
194 #define TYPE_FLAG_CONST (1 << 5)
195 #define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST)
197 /* Volatile type. If this is set, the corresponding type has a
201 #define TYPE_FLAG_VOLATILE (1 << 6)
202 #define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE)
205 /* This is a function type which appears to have a prototype. We need this
206 for function calls in order to tell us if it's necessary to coerce the args,
207 or to just do the standard conversions. This is used with a short field. */
209 #define TYPE_FLAG_PROTOTYPED (1 << 7)
210 #define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED)
212 /* This flag is used to indicate that processing for this type
215 (Mostly intended for HP platforms, where class methods, for
216 instance, can be encountered before their classes in the debug
217 info; the incomplete type has to be marked so that the class and
218 the method can be assigned correct types.) */
220 #define TYPE_FLAG_INCOMPLETE (1 << 8)
221 #define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE)
223 /* Instruction-space delimited type. This is for Harvard architectures
224 which have separate instruction and data address spaces (and perhaps
227 GDB usually defines a flat address space that is a superset of the
228 architecture's two (or more) address spaces, but this is an extension
229 of the architecture's model.
231 If TYPE_FLAG_INST is set, an object of the corresponding type
232 resides in instruction memory, even if its address (in the extended
233 flat address space) does not reflect this.
235 Similarly, if TYPE_FLAG_DATA is set, then an object of the
236 corresponding type resides in the data memory space, even if
237 this is not indicated by its (flat address space) address.
239 If neither flag is set, the default space for functions / methods
240 is instruction space, and for data objects is data memory. */
242 #define TYPE_FLAG_CODE_SPACE (1 << 9)
243 #define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE)
245 #define TYPE_FLAG_DATA_SPACE (1 << 10)
246 #define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE)
248 /* FIXME drow/2002-06-03: Only used for methods, but applies as well
251 #define TYPE_FLAG_VARARGS (1 << 11)
252 #define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS)
254 /* Identify a vector type. Gcc is handling this by adding an extra
255 attribute to the array type. We slurp that in as a new flag of a
256 type. This is used only in dwarf2read.c. */
257 #define TYPE_FLAG_VECTOR (1 << 12)
258 #define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR)
260 /* Address class flags. Some environments provide for pointers whose
261 size is different from that of a normal pointer or address types
262 where the bits are interpreted differently than normal addresses. The
263 TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific
264 ways to represent these different types of address classes. */
265 #define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13)
266 #define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
267 & TYPE_FLAG_ADDRESS_CLASS_1)
268 #define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14)
269 #define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
270 & TYPE_FLAG_ADDRESS_CLASS_2)
271 #define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \
272 | TYPE_FLAG_ADDRESS_CLASS_2)
273 #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
274 & TYPE_FLAG_ADDRESS_CLASS_ALL)
276 /* Array bound type. */
277 enum array_bound_type
280 BOUND_BY_VALUE_IN_REG
,
282 BOUND_BY_VALUE_ON_STACK
,
283 BOUND_BY_REF_ON_STACK
,
284 BOUND_CANNOT_BE_DETERMINED
287 /* This structure is space-critical.
288 Its layout has been tweaked to reduce the space used. */
292 /* Code for kind of type */
294 ENUM_BITFIELD(type_code
) code
: 8;
296 /* Array bounds. These fields appear at this location because
297 they pack nicely here. */
299 ENUM_BITFIELD(array_bound_type
) upper_bound_type
: 4;
300 ENUM_BITFIELD(array_bound_type
) lower_bound_type
: 4;
302 /* Name of this type, or NULL if none.
304 This is used for printing only, except by poorly designed C++ code.
305 For looking up a name, look for a symbol in the VAR_DOMAIN. */
309 /* Tag name for this type, or NULL if none. This means that the
310 name of the type consists of a keyword followed by the tag name.
311 Which keyword is determined by the type code ("struct" for
312 TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages
315 This is used for printing only, except by poorly designed C++ code.
316 For looking up a name, look for a symbol in the STRUCT_DOMAIN.
317 One more legitimate use is that if TYPE_FLAG_STUB is set, this is
318 the name to use to look for definitions in other files. */
322 /* Every type is now associated with a particular objfile, and the
323 type is allocated on the objfile_obstack for that objfile. One problem
324 however, is that there are times when gdb allocates new types while
325 it is not in the process of reading symbols from a particular objfile.
326 Fortunately, these happen when the type being created is a derived
327 type of an existing type, such as in lookup_pointer_type(). So
328 we can just allocate the new type using the same objfile as the
329 existing type, but to do this we need a backpointer to the objfile
330 from the existing type. Yes this is somewhat ugly, but without
331 major overhaul of the internal type system, it can't be avoided
334 struct objfile
*objfile
;
336 /* For a pointer type, describes the type of object pointed to.
337 For an array type, describes the type of the elements.
338 For a function or method type, describes the type of the return value.
339 For a range type, describes the type of the full range.
340 For a complex type, describes the type of each coordinate.
343 struct type
*target_type
;
345 /* Flags about this type. */
349 /* Number of fields described for this type */
353 /* Field number of the virtual function table pointer in
354 VPTR_BASETYPE. If -1, we were unable to find the virtual
355 function table pointer in initial symbol reading, and
356 fill_in_vptr_fieldno should be called to find it if possible.
358 Unused if this type does not have virtual functions. */
362 /* For structure and union types, a description of each field.
363 For set and pascal array types, there is one "field",
364 whose type is the domain type of the set or array.
365 For range types, there are two "fields",
366 the minimum and maximum values (both inclusive).
367 For enum types, each possible value is described by one "field".
368 For a function or method type, a "field" for each parameter.
369 For C++ classes, there is one field for each base class (if it is
370 a derived class) plus one field for each class data member. Member
371 functions are recorded elsewhere.
373 Using a pointer to a separate array of fields
374 allows all types to have the same size, which is useful
375 because we can allocate the space for a type before
376 we know what to put in it. */
382 /* Position of this field, counting in bits from start of
383 containing structure.
384 For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
385 For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
386 For a range bound or enum value, this is the value itself. */
390 /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
391 is the location (in the target) of the static field.
392 Otherwise, physname is the mangled label of the static field. */
399 /* For a function or member type, this is 1 if the argument is marked
400 artificial. Artificial arguments should not be shown to the
402 unsigned int artificial
: 1;
404 /* This flag is zero for non-static fields, 1 for fields whose location
405 is specified by the label loc.physname, and 2 for fields whose location
406 is specified by loc.physaddr. */
408 unsigned int static_kind
: 2;
410 /* Size of this field, in bits, or zero if not packed.
411 For an unpacked field, the field's type's length
412 says how many bytes the field occupies. */
414 unsigned int bitsize
: 29;
416 /* In a struct or union type, type of this field.
417 In a function or member type, type of this argument.
418 In an array type, the domain-type of the array. */
422 /* Name of field, value or argument.
423 NULL for range bounds, array domains, and member function
430 /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
431 is the base class which defined the virtual function table pointer.
433 For types that are pointer to member types (TYPE_CODE_MEMBER),
434 VPTR_BASETYPE is the type that this pointer is a member of.
436 For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
437 type that contains the method.
441 struct type
*vptr_basetype
;
443 /* Slot to point to additional language-specific fields of this type. */
447 /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
448 cplus_struct_default, a default static instance of a struct
449 cplus_struct_type. */
451 struct cplus_struct_type
*cplus_stuff
;
453 /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to the
454 floatformat object that describes the floating-point value
455 that resides within the type. */
457 const struct floatformat
*floatformat
;
461 /* A ``struct type'' describes a particular instance of a type, with
462 some particular qualification. */
465 /* Type that is a pointer to this type.
466 NULL if no such pointer-to type is known yet.
467 The debugger may add the address of such a type
468 if it has to construct one later. */
470 struct type
*pointer_type
;
472 /* C++: also need a reference type. */
474 struct type
*reference_type
;
476 /* Variant chain. This points to a type that differs from this one only
477 in qualifiers and length. Currently, the possible qualifiers are
478 const, volatile, code-space, data-space, and address class. The
479 length may differ only when one of the address class flags are set.
480 The variants are linked in a circular ring and share MAIN_TYPE. */
483 /* Flags specific to this instance of the type, indicating where
484 on the ring we are. */
487 /* Length of storage for a value of this type. This is what
488 sizeof(type) would return; use it for address arithmetic,
489 memory reads and writes, etc. This size includes padding. For
490 example, an i386 extended-precision floating point value really
491 only occupies ten bytes, but most ABI's declare its size to be
492 12 bytes, to preserve alignment. A `struct type' representing
493 such a floating-point type would have a `length' value of 12,
494 even though the last two bytes are unused.
496 There's a bit of a host/target mess here, if you're concerned
497 about machines whose bytes aren't eight bits long, or who don't
498 have byte-addressed memory. Various places pass this to memcpy
499 and such, meaning it must be in units of host bytes. Various
500 other places expect they can calculate addresses by adding it
501 and such, meaning it must be in units of target bytes. For
502 some DSP targets, in which HOST_CHAR_BIT will (presumably) be 8
503 and TARGET_CHAR_BIT will be (say) 32, this is a problem.
505 One fix would be to make this field in bits (requiring that it
506 always be a multiple of HOST_CHAR_BIT and TARGET_CHAR_BIT) ---
507 the other choice would be to make it consistently in units of
508 HOST_CHAR_BIT. However, this would still fail to address
509 machines based on a ternary or decimal representation. */
513 /* Core type, shared by a group of qualified types. */
514 struct main_type
*main_type
;
517 #define NULL_TYPE ((struct type *) 0)
519 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
522 struct cplus_struct_type
524 /* Number of base classes this type derives from. The baseclasses are
525 stored in the first N_BASECLASSES fields (i.e. the `fields' field of
526 the struct type). I think only the `type' field of such a field has
531 /* Number of methods with unique names. All overloaded methods with
532 the same name count only once. */
536 /* Number of methods described for this type, not including the
537 methods that it derives from. */
539 short nfn_fields_total
;
541 /* The "declared_type" field contains a code saying how the
542 user really declared this type, e.g., "class s", "union s",
544 The 3 above things come out from the C++ compiler looking like classes,
545 but we keep track of the real declaration so we can give
546 the correct information on "ptype". (Note: TEMPLATE may not
547 belong in this list...) */
549 #define DECLARED_TYPE_CLASS 0
550 #define DECLARED_TYPE_UNION 1
551 #define DECLARED_TYPE_STRUCT 2
552 #define DECLARED_TYPE_TEMPLATE 3
553 short declared_type
; /* One of the above codes */
555 /* For derived classes, the number of base classes is given by n_baseclasses
556 and virtual_field_bits is a bit vector containing one bit per base class.
557 If the base class is virtual, the corresponding bit will be set.
562 class C : public B, public virtual A {};
564 B is a baseclass of C; A is a virtual baseclass for C.
565 This is a C++ 2.0 language feature. */
567 B_TYPE
*virtual_field_bits
;
569 /* For classes with private fields, the number of fields is given by
570 nfields and private_field_bits is a bit vector containing one bit
572 If the field is private, the corresponding bit will be set. */
574 B_TYPE
*private_field_bits
;
576 /* For classes with protected fields, the number of fields is given by
577 nfields and protected_field_bits is a bit vector containing one bit
579 If the field is private, the corresponding bit will be set. */
581 B_TYPE
*protected_field_bits
;
583 /* for classes with fields to be ignored, either this is optimized out
584 or this field has length 0 */
586 B_TYPE
*ignore_field_bits
;
588 /* For classes, structures, and unions, a description of each field,
589 which consists of an overloaded name, followed by the types of
590 arguments that the method expects, and then the name after it
591 has been renamed to make it distinct.
593 fn_fieldlists points to an array of nfn_fields of these. */
598 /* The overloaded name. */
602 /* The number of methods with this name. */
606 /* The list of methods. */
611 /* If is_stub is clear, this is the mangled name which we can
612 look up to find the address of the method (FIXME: it would
613 be cleaner to have a pointer to the struct symbol here
616 /* If is_stub is set, this is the portion of the mangled
617 name which specifies the arguments. For example, "ii",
618 if there are two int arguments, or "" if there are no
619 arguments. See gdb_mangle_name for the conversion from this
620 format to the one used if is_stub is clear. */
624 /* The function type for the method.
625 (This comment used to say "The return value of the method",
626 but that's wrong. The function type
627 is expected here, i.e. something with TYPE_CODE_FUNC,
628 and *not* the return-value type). */
632 /* For virtual functions.
633 First baseclass that defines this virtual function. */
635 struct type
*fcontext
;
639 unsigned int is_const
:1;
640 unsigned int is_volatile
:1;
641 unsigned int is_private
:1;
642 unsigned int is_protected
:1;
643 unsigned int is_public
:1;
644 unsigned int is_abstract
:1;
645 unsigned int is_static
:1;
646 unsigned int is_final
:1;
647 unsigned int is_synchronized
:1;
648 unsigned int is_native
:1;
649 unsigned int is_artificial
:1;
651 /* A stub method only has some fields valid (but they are enough
652 to reconstruct the rest of the fields). */
653 unsigned int is_stub
:1;
655 /* C++ method that is inlined */
656 unsigned int is_inlined
:1;
659 unsigned int dummy
:3;
661 /* Index into that baseclass's virtual function table,
662 minus 2; else if static: VOFFSET_STATIC; else: 0. */
664 unsigned int voffset
:16;
666 #define VOFFSET_STATIC 1
674 /* If this "struct type" describes a template, then it
675 * has arguments. "template_args" points to an array of
676 * template arg descriptors, of length "ntemplate_args".
677 * The only real information in each of these template arg descriptors
678 * is a name. "type" will typically just point to a "struct type" with
679 * the placeholder TYPE_CODE_TEMPLATE_ARG type.
681 short ntemplate_args
;
689 /* If this "struct type" describes a template, it has a list
690 * of instantiations. "instantiations" is a pointer to an array
691 * of type's, one representing each instantiation. There
692 * are "ninstantiations" elements in this array.
694 short ninstantiations
;
695 struct type
**instantiations
;
697 /* The following points to information relevant to the runtime model
699 * Currently being used only for HP's ANSI C++ compiler.
700 * (This type may have to be changed/enhanced for other compilers.)
702 * RUNTIME_PTR is NULL if there is no runtime information (currently
703 * this means the type was not compiled by HP aCC).
705 * Fields in structure pointed to:
706 * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
708 * ->PRIMARY_BASE points to the first non-virtual base class that has
711 * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
712 * point to the type information for all virtual bases among this type's
718 struct type
*primary_base
;
719 struct type
**virtual_base_list
;
723 /* Pointer to information about enclosing scope, if this is a
724 * local type. If it is not a local type, this is NULL
726 struct local_type_info
734 /* Struct used in computing virtual base list */
737 struct type
*vbasetype
; /* pointer to virtual base */
738 struct vbase
*next
; /* next in chain */
741 /* Struct used for ranking a function for overload resolution */
742 struct badness_vector
748 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
749 this shared static structure. */
751 extern const struct cplus_struct_type cplus_struct_default
;
753 extern void allocate_cplus_struct_type (struct type
*);
755 #define INIT_CPLUS_SPECIFIC(type) \
756 (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
757 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
758 #define HAVE_CPLUS_STRUCT(type) \
759 (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
761 #define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
762 #define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
763 #define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
764 #define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name
765 #define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type
766 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
767 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
768 #define TYPE_CHAIN(thistype) (thistype)->chain
769 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
770 But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
771 so you only have to call check_typedef once. Since allocate_value
772 calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
773 #define TYPE_LENGTH(thistype) (thistype)->length
774 #define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile
775 #define TYPE_FLAGS(thistype) TYPE_MAIN_TYPE(thistype)->flags
776 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real
777 type, you need to do TYPE_CODE (check_type (this_type)). */
778 #define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code
779 #define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields
780 #define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->fields
781 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
782 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
784 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
785 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
786 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
788 /* Moto-specific stuff for FORTRAN arrays */
790 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) \
791 TYPE_MAIN_TYPE(thistype)->upper_bound_type
792 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) \
793 TYPE_MAIN_TYPE(thistype)->lower_bound_type
795 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
796 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
798 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
799 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
803 #define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
804 #define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
805 #define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno
806 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
807 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
808 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
809 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
810 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
811 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
812 #define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific
813 #define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
814 #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
815 #define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type
816 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
817 #define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name
818 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
819 #define BASETYPE_VIA_PUBLIC(thistype, index) \
820 ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
822 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
823 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
824 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
826 #define FIELD_TYPE(thisfld) ((thisfld).type)
827 #define FIELD_NAME(thisfld) ((thisfld).name)
828 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
829 #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
830 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
831 #define FIELD_STATIC_KIND(thisfld) ((thisfld).static_kind)
832 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
833 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
834 #define SET_FIELD_PHYSNAME(thisfld, name) \
835 ((thisfld).static_kind = 1, FIELD_PHYSNAME(thisfld) = (name))
836 #define SET_FIELD_PHYSADDR(thisfld, name) \
837 ((thisfld).static_kind = 2, FIELD_PHYSADDR(thisfld) = (name))
838 #define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->fields[n]
839 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
840 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
841 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
842 #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
843 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
844 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
845 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
846 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
848 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
849 TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
850 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
851 TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
852 #define TYPE_FIELD_IGNORE_BITS(thistype) \
853 TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
854 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
855 TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
856 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
857 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
858 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
859 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
860 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
861 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
862 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
863 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
864 #define TYPE_FIELD_PRIVATE(thistype, n) \
865 (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
866 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
867 #define TYPE_FIELD_PROTECTED(thistype, n) \
868 (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
869 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
870 #define TYPE_FIELD_IGNORE(thistype, n) \
871 (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
872 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
873 #define TYPE_FIELD_VIRTUAL(thistype, n) \
874 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
875 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
877 #define TYPE_FIELD_STATIC(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind != 0)
878 #define TYPE_FIELD_STATIC_KIND(thistype, n) TYPE_MAIN_TYPE (thistype)->fields[n].static_kind
879 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind == 2)
880 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
881 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
883 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
884 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
885 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
886 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
887 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
889 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
890 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
891 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
892 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type)
893 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
894 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
895 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
896 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
897 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
898 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
899 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
900 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
901 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
902 #define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
903 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
904 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
905 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
906 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
907 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
908 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
909 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
911 #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
912 #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
913 #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
914 #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
915 #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
917 #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
918 #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
919 #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
921 #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \
922 (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \
923 (TYPE_NFIELDS (thistype) == 0) && \
924 (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
928 /* Address/pointer types. */
930 /* `pointer to data' type. Some target platforms use an implicitly
931 {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */
932 struct type
*builtin_data_ptr
;
934 /* `pointer to function (returning void)' type. Harvard
935 architectures mean that ABI function and code pointers are not
936 interconvertible. Similarly, since ANSI, C standards have
937 explicitly said that pointers to functions and pointers to data
938 are not interconvertible --- that is, you can't cast a function
939 pointer to void * and back, and expect to get the same value.
940 However, all function pointer types are interconvertible, so void
941 (*) () can server as a generic function pointer. */
942 struct type
*builtin_func_ptr
;
944 /* The target CPU's address type. This is the ISA address size. */
945 struct type
*builtin_core_addr
;
947 /* Integral types. */
949 /* We use this for the '/c' print format, because c_char is just a
950 one-byte integral type, which languages less laid back than C
951 will print as ... well, a one-byte integral type. */
952 struct type
*builtin_true_char
;
954 /* Implicit size/sign (based on the the architecture's ABI). */
955 struct type
*builtin_void
;
956 struct type
*builtin_char
;
957 struct type
*builtin_short
;
958 struct type
*builtin_int
;
959 struct type
*builtin_long
;
960 struct type
*builtin_signed_char
;
961 struct type
*builtin_unsigned_char
;
962 struct type
*builtin_unsigned_short
;
963 struct type
*builtin_unsigned_int
;
964 struct type
*builtin_unsigned_long
;
965 struct type
*builtin_float
;
966 struct type
*builtin_double
;
967 struct type
*builtin_long_double
;
968 struct type
*builtin_complex
;
969 struct type
*builtin_double_complex
;
970 struct type
*builtin_string
;
971 struct type
*builtin_bool
;
972 struct type
*builtin_long_long
;
973 struct type
*builtin_unsigned_long_long
;
976 /* Return the type table for the specified architecture. */
977 extern const struct builtin_type
*builtin_type (struct gdbarch
*gdbarch
);
980 extern struct type
*builtin_type_void
;
981 extern struct type
*builtin_type_char
;
982 extern struct type
*builtin_type_short
;
983 extern struct type
*builtin_type_int
;
984 extern struct type
*builtin_type_long
;
985 extern struct type
*builtin_type_signed_char
;
986 extern struct type
*builtin_type_unsigned_char
;
987 extern struct type
*builtin_type_unsigned_short
;
988 extern struct type
*builtin_type_unsigned_int
;
989 extern struct type
*builtin_type_unsigned_long
;
990 extern struct type
*builtin_type_float
;
991 extern struct type
*builtin_type_double
;
992 extern struct type
*builtin_type_long_double
;
993 extern struct type
*builtin_type_complex
;
994 extern struct type
*builtin_type_double_complex
;
995 extern struct type
*builtin_type_string
;
996 extern struct type
*builtin_type_bool
;
998 /* Address/pointer types: */
999 /* (C) Language `pointer to data' type. Some target platforms use an
1000 implicitly {sign,zero} -extended 32 bit C language pointer on a 64
1002 extern struct type
*builtin_type_void_data_ptr
;
1004 /* (C) Language `pointer to function returning void' type. Since
1005 ANSI, C standards have explicitly said that pointers to functions
1006 and pointers to data are not interconvertible --- that is, you
1007 can't cast a function pointer to void * and back, and expect to get
1008 the same value. However, all function pointer types are
1009 interconvertible, so void (*) () can server as a generic function
1011 extern struct type
*builtin_type_void_func_ptr
;
1013 /* The target CPU's address type. This is the ISA address size. */
1014 extern struct type
*builtin_type_CORE_ADDR
;
1015 /* The symbol table address type. Some object file formats have a 32
1016 bit address type even though the TARGET has a 64 bit pointer type
1018 extern struct type
*builtin_type_bfd_vma
;
1020 /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
1021 is for when an architecture needs to describe a register that has
1023 extern struct type
*builtin_type_int0
;
1024 extern struct type
*builtin_type_int8
;
1025 extern struct type
*builtin_type_uint8
;
1026 extern struct type
*builtin_type_int16
;
1027 extern struct type
*builtin_type_uint16
;
1028 extern struct type
*builtin_type_int32
;
1029 extern struct type
*builtin_type_uint32
;
1030 extern struct type
*builtin_type_int64
;
1031 extern struct type
*builtin_type_uint64
;
1032 extern struct type
*builtin_type_int128
;
1033 extern struct type
*builtin_type_uint128
;
1035 /* SIMD types. We inherit these names from GCC. */
1036 extern struct type
*builtin_type_v4sf
;
1037 extern struct type
*builtin_type_v4si
;
1038 extern struct type
*builtin_type_v16qi
;
1039 extern struct type
*builtin_type_v8qi
;
1040 extern struct type
*builtin_type_v8hi
;
1041 extern struct type
*builtin_type_v4hi
;
1042 extern struct type
*builtin_type_v2si
;
1044 /* Type for 64 bit vectors. */
1045 extern struct type
*builtin_type_vec64
;
1046 extern struct type
*builtin_type_vec64i
;
1048 /* Type for 128 bit vectors. */
1049 extern struct type
*builtin_type_vec128
;
1050 extern struct type
*builtin_type_vec128i
;
1052 /* Explicit floating-point formats. See "floatformat.h". */
1053 extern struct type
*builtin_type_ieee_single_big
;
1054 extern struct type
*builtin_type_ieee_single_little
;
1055 extern struct type
*builtin_type_ieee_double_big
;
1056 extern struct type
*builtin_type_ieee_double_little
;
1057 extern struct type
*builtin_type_ieee_double_littlebyte_bigword
;
1058 extern struct type
*builtin_type_i387_ext
;
1059 extern struct type
*builtin_type_m68881_ext
;
1060 extern struct type
*builtin_type_i960_ext
;
1061 extern struct type
*builtin_type_m88110_ext
;
1062 extern struct type
*builtin_type_m88110_harris_ext
;
1063 extern struct type
*builtin_type_arm_ext_big
;
1064 extern struct type
*builtin_type_arm_ext_littlebyte_bigword
;
1065 extern struct type
*builtin_type_ia64_spill_big
;
1066 extern struct type
*builtin_type_ia64_spill_little
;
1067 extern struct type
*builtin_type_ia64_quad_big
;
1068 extern struct type
*builtin_type_ia64_quad_little
;
1070 /* We use this for the '/c' print format, because builtin_type_char is
1071 just a one-byte integral type, which languages less laid back than
1072 C will print as ... well, a one-byte integral type. */
1073 extern struct type
*builtin_type_true_char
;
1075 /* This type represents a type that was unrecognized in symbol
1078 extern struct type
*builtin_type_error
;
1080 extern struct type
*builtin_type_long_long
;
1081 extern struct type
*builtin_type_unsigned_long_long
;
1083 /* Modula-2 types */
1085 extern struct type
*builtin_type_m2_char
;
1086 extern struct type
*builtin_type_m2_int
;
1087 extern struct type
*builtin_type_m2_card
;
1088 extern struct type
*builtin_type_m2_real
;
1089 extern struct type
*builtin_type_m2_bool
;
1091 /* Fortran (F77) types */
1093 extern struct type
*builtin_type_f_character
;
1094 extern struct type
*builtin_type_f_integer
;
1095 extern struct type
*builtin_type_f_integer_s2
;
1096 extern struct type
*builtin_type_f_logical
;
1097 extern struct type
*builtin_type_f_logical_s1
;
1098 extern struct type
*builtin_type_f_logical_s2
;
1099 extern struct type
*builtin_type_f_real
;
1100 extern struct type
*builtin_type_f_real_s8
;
1101 extern struct type
*builtin_type_f_real_s16
;
1102 extern struct type
*builtin_type_f_complex_s8
;
1103 extern struct type
*builtin_type_f_complex_s16
;
1104 extern struct type
*builtin_type_f_complex_s32
;
1105 extern struct type
*builtin_type_f_void
;
1108 /* extern struct type *builtin_type_cxx_typeinfo; */
1110 /* Maximum and minimum values of built-in types */
1112 #define MAX_OF_TYPE(t) \
1113 (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
1114 : MAX_OF_SIZE(TYPE_LENGTH(t)))
1116 #define MIN_OF_TYPE(t) \
1117 (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
1118 : MIN_OF_SIZE(TYPE_LENGTH(t)))
1120 /* Allocate space for storing data associated with a particular type.
1121 We ensure that the space is allocated using the same mechanism that
1122 was used to allocate the space for the type structure itself. I.E.
1123 if the type is on an objfile's objfile_obstack, then the space for data
1124 associated with that type will also be allocated on the objfile_obstack.
1125 If the type is not associated with any particular objfile (such as
1126 builtin types), then the data space will be allocated with xmalloc,
1127 the same as for the type structure. */
1129 #define TYPE_ALLOC(t,size) \
1130 (TYPE_OBJFILE (t) != NULL \
1131 ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
1134 extern struct type
*alloc_type (struct objfile
*);
1136 extern struct type
*init_type (enum type_code
, int, int, char *,
1139 /* Helper functions to construct a struct or record type. An
1140 initially empty type is created using init_composite_type().
1141 Fields are then added using append_struct_type_field(). A union
1142 type has its size set to the largest field. A struct type has each
1143 field packed against the previous. */
1145 extern struct type
*init_composite_type (char *name
, enum type_code code
);
1146 extern void append_composite_type_field (struct type
*t
, char *name
,
1147 struct type
*field
);
1149 extern struct type
*lookup_reference_type (struct type
*);
1151 extern struct type
*make_reference_type (struct type
*, struct type
**);
1153 extern struct type
*make_cv_type (int, int, struct type
*, struct type
**);
1155 extern void replace_type (struct type
*, struct type
*);
1157 extern int address_space_name_to_int (char *);
1159 extern const char *address_space_int_to_name (int);
1161 extern struct type
*make_type_with_address_space (struct type
*type
,
1162 int space_identifier
);
1164 extern struct type
*lookup_member_type (struct type
*, struct type
*);
1167 smash_to_method_type (struct type
*type
, struct type
*domain
,
1168 struct type
*to_type
, struct field
*args
,
1169 int nargs
, int varargs
);
1171 extern void smash_to_member_type (struct type
*, struct type
*, struct type
*);
1173 extern struct type
*allocate_stub_method (struct type
*);
1175 extern char *type_name_no_tag (const struct type
*);
1177 extern struct type
*lookup_struct_elt_type (struct type
*, char *, int);
1179 extern struct type
*make_pointer_type (struct type
*, struct type
**);
1181 extern struct type
*lookup_pointer_type (struct type
*);
1183 extern struct type
*make_function_type (struct type
*, struct type
**);
1185 extern struct type
*lookup_function_type (struct type
*);
1187 extern struct type
*create_range_type (struct type
*, struct type
*, int,
1190 extern struct type
*create_array_type (struct type
*, struct type
*,
1193 extern struct type
*create_string_type (struct type
*, struct type
*);
1195 extern struct type
*create_set_type (struct type
*, struct type
*);
1197 extern struct type
*lookup_unsigned_typename (char *);
1199 extern struct type
*lookup_signed_typename (char *);
1201 extern struct type
*check_typedef (struct type
*);
1203 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
1205 extern void check_stub_method_group (struct type
*, int);
1207 extern char *gdb_mangle_name (struct type
*, int, int);
1209 extern struct type
*lookup_typename (char *, struct block
*, int);
1211 extern struct type
*lookup_template_type (char *, struct type
*,
1214 extern struct type
*lookup_fundamental_type (struct objfile
*, int);
1216 extern void fill_in_vptr_fieldno (struct type
*);
1218 extern int get_destructor_fn_field (struct type
*, int *, int *);
1220 extern int get_discrete_bounds (struct type
*, LONGEST
*, LONGEST
*);
1222 extern int is_ancestor (struct type
*, struct type
*);
1224 extern int has_vtable (struct type
*);
1226 extern struct type
*primary_base_class (struct type
*);
1228 extern struct type
**virtual_base_list (struct type
*);
1230 extern int virtual_base_list_length (struct type
*);
1231 extern int virtual_base_list_length_skip_primaries (struct type
*);
1233 extern int virtual_base_index (struct type
*, struct type
*);
1234 extern int virtual_base_index_skip_primaries (struct type
*, struct type
*);
1237 extern int class_index_in_primary_list (struct type
*);
1239 extern int count_virtual_fns (struct type
*);
1241 /* Constants for HP/Taligent ANSI C++ runtime model */
1243 /* Where virtual function entries begin in the
1244 * virtual table, in the non-RRBC vtable format.
1245 * First 4 are the metavtable pointer, top offset,
1246 * typeinfo pointer, and dup base info pointer */
1247 #define HP_ACC_VFUNC_START 4
1249 /* (Negative) Offset where virtual base offset entries begin
1250 * in the virtual table. Skips over metavtable pointer and
1251 * the self-offset entry.
1252 * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
1253 * appear before the address point of the vtable (the slot
1254 * pointed to by the object's vtable pointer), i.e. at lower
1255 * addresses than the vtable pointer. */
1256 #define HP_ACC_VBASE_START 2
1258 /* (Positive) Offset where the pointer to the typeinfo
1259 * object is present in the virtual table */
1260 #define HP_ACC_TYPEINFO_OFFSET 2
1262 /* (Positive) Offset where the ``top offset'' entry of
1263 * the virtual table is */
1264 #define HP_ACC_TOP_OFFSET_OFFSET 1
1266 /* Overload resolution */
1268 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1270 /* Badness if parameter list length doesn't match arg list length */
1271 #define LENGTH_MISMATCH_BADNESS 100
1272 /* Dummy badness value for nonexistent parameter positions */
1273 #define TOO_FEW_PARAMS_BADNESS 100
1274 /* Badness if no conversion among types */
1275 #define INCOMPATIBLE_TYPE_BADNESS 100
1277 /* Badness of integral promotion */
1278 #define INTEGER_PROMOTION_BADNESS 1
1279 /* Badness of floating promotion */
1280 #define FLOAT_PROMOTION_BADNESS 1
1281 /* Badness of integral conversion */
1282 #define INTEGER_CONVERSION_BADNESS 2
1283 /* Badness of floating conversion */
1284 #define FLOAT_CONVERSION_BADNESS 2
1285 /* Badness of integer<->floating conversions */
1286 #define INT_FLOAT_CONVERSION_BADNESS 2
1287 /* Badness of converting to a boolean */
1288 #define BOOLEAN_CONVERSION_BADNESS 2
1289 /* Badness of pointer conversion */
1290 #define POINTER_CONVERSION_BADNESS 2
1291 /* Badness of conversion of pointer to void pointer */
1292 #define VOID_PTR_CONVERSION_BADNESS 2
1293 /* Badness of converting derived to base class */
1294 #define BASE_CONVERSION_BADNESS 2
1295 /* Badness of converting from non-reference to reference */
1296 #define REFERENCE_CONVERSION_BADNESS 2
1298 /* Non-standard conversions allowed by the debugger */
1299 /* Converting a pointer to an int is usually OK */
1300 #define NS_POINTER_CONVERSION_BADNESS 10
1303 extern int compare_badness (struct badness_vector
*, struct badness_vector
*);
1305 extern struct badness_vector
*rank_function (struct type
**, int,
1306 struct type
**, int);
1308 extern int rank_one_type (struct type
*, struct type
*);
1310 extern void recursive_dump_type (struct type
*, int);
1314 extern void print_scalar_formatted (void *, struct type
*, int, int,
1317 extern int can_dereference (struct type
*);
1319 extern int is_integral_type (struct type
*);
1321 extern void maintenance_print_type (char *, int);
1323 #endif /* GDBTYPES_H */