1 /* Internal type definitions for GDB.
3 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
4 2002, 2003, 2004, 2006, 2007, 2008 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 3 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, see <http://www.gnu.org/licenses/>. */
23 #if !defined (GDBTYPES_H)
28 /* Forward declarations for prototypes. */
32 /* Some macros for char-based bitfields. */
34 #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
35 #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
36 #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
37 #define B_TYPE unsigned char
38 #define B_BYTES(x) ( 1 + ((x)>>3) )
39 #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
41 /* Different kinds of data types are distinguished by the `code' field. */
45 TYPE_CODE_UNDEF
, /* Not used; catches errors */
46 TYPE_CODE_PTR
, /* Pointer type */
48 /* Array type with lower & upper bounds.
50 Regardless of the language, GDB represents multidimensional
51 array types the way C does: as arrays of arrays. So an
52 instance of a GDB array type T can always be seen as a series
53 of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
56 Row-major languages like C lay out multi-dimensional arrays so
57 that incrementing the rightmost index in a subscripting
58 expression results in the smallest change in the address of the
59 element referred to. Column-major languages like Fortran lay
60 them out so that incrementing the leftmost index results in the
63 This means that, in column-major languages, working our way
64 from type to target type corresponds to working through indices
65 from right to left, not left to right. */
68 TYPE_CODE_STRUCT
, /* C struct or Pascal record */
69 TYPE_CODE_UNION
, /* C union or Pascal variant part */
70 TYPE_CODE_ENUM
, /* Enumeration type */
71 TYPE_CODE_FLAGS
, /* Bit flags type */
72 TYPE_CODE_FUNC
, /* Function type */
73 TYPE_CODE_INT
, /* Integer type */
75 /* Floating type. This is *NOT* a complex type. Beware, there are parts
76 of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
79 /* Void type. The length field specifies the length (probably always
80 one) which is used in pointer arithmetic involving pointers to
81 this type, but actually dereferencing such a pointer is invalid;
82 a void type has no length and no actual representation in memory
83 or registers. A pointer to a void type is a generic pointer. */
86 TYPE_CODE_SET
, /* Pascal sets */
87 TYPE_CODE_RANGE
, /* Range (integers within spec'd bounds) */
89 /* A string type which is like an array of character but prints
90 differently (at least for (the deleted) CHILL). It does not
91 contain a length field as Pascal strings (for many Pascals,
92 anyway) do; if we want to deal with such strings, we should use
96 /* String of bits; like TYPE_CODE_SET but prints differently (at
97 least for (the deleted) CHILL). */
100 /* Unknown type. The length field is valid if we were able to
101 deduce that much about the type, or 0 if we don't even know that. */
105 TYPE_CODE_METHOD
, /* Method type */
107 /* Pointer-to-member-function type. This describes how to access a
108 particular member function of a class (possibly a virtual
109 member function). The representation may vary between different
113 /* Pointer-to-member type. This is the offset within a class to some
114 particular data member. The only currently supported representation
115 uses an unbiased offset, with -1 representing NULL; this is used
116 by the Itanium C++ ABI (used by GCC on all platforms). */
119 TYPE_CODE_REF
, /* C++ Reference types */
121 TYPE_CODE_CHAR
, /* *real* character type */
123 /* Boolean type. 0 is false, 1 is true, and other values are non-boolean
124 (e.g. FORTRAN "logical" used as unsigned int). */
128 TYPE_CODE_COMPLEX
, /* Complex float */
131 TYPE_CODE_TEMPLATE
, /* C++ template */
132 TYPE_CODE_TEMPLATE_ARG
, /* C++ template arg */
134 TYPE_CODE_NAMESPACE
, /* C++ namespace. */
136 TYPE_CODE_DECFLOAT
/* Decimal floating point. */
139 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
140 alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct
141 "class" attribute. Perhaps we should actually have a separate TYPE_CODE
142 so that we can print "class" or "struct" depending on what the debug
143 info said. It's not clear we should bother. */
145 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
147 /* Some bits for the type's flags word, and macros to test them. */
149 /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
150 type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
152 #define TYPE_FLAG_UNSIGNED (1 << 0)
153 #define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED)
155 /* No sign for this type. In C++, "char", "signed char", and "unsigned
156 char" are distinct types; so we need an extra flag to indicate the
157 absence of a sign! */
159 #define TYPE_FLAG_NOSIGN (1 << 1)
160 #define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN)
162 /* This appears in a type's flags word if it is a stub type (e.g., if
163 someone referenced a type that wasn't defined in a source file
164 via (struct sir_not_appearing_in_this_film *)). */
166 #define TYPE_FLAG_STUB (1 << 2)
167 #define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB)
169 /* The target type of this type is a stub type, and this type needs to
170 be updated if it gets un-stubbed in check_typedef.
171 Used for arrays and ranges, in which TYPE_LENGTH of the array/range
172 gets set based on the TYPE_LENGTH of the target type.
173 Also, set for TYPE_CODE_TYPEDEF. */
175 #define TYPE_FLAG_TARGET_STUB (1 << 3)
176 #define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB)
178 /* Static type. If this is set, the corresponding type had
180 * Note: This may be unnecessary, since static data members
181 * are indicated by other means (bitpos == -1)
184 #define TYPE_FLAG_STATIC (1 << 4)
185 #define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC)
187 /* Constant type. If this is set, the corresponding type has a
191 #define TYPE_FLAG_CONST (1 << 5)
192 #define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST)
194 /* Volatile type. If this is set, the corresponding type has a
198 #define TYPE_FLAG_VOLATILE (1 << 6)
199 #define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE)
202 /* This is a function type which appears to have a prototype. We need this
203 for function calls in order to tell us if it's necessary to coerce the args,
204 or to just do the standard conversions. This is used with a short field. */
206 #define TYPE_FLAG_PROTOTYPED (1 << 7)
207 #define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED)
209 /* This flag is used to indicate that processing for this type
212 (Mostly intended for HP platforms, where class methods, for
213 instance, can be encountered before their classes in the debug
214 info; the incomplete type has to be marked so that the class and
215 the method can be assigned correct types.) */
217 #define TYPE_FLAG_INCOMPLETE (1 << 8)
218 #define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE)
220 /* Instruction-space delimited type. This is for Harvard architectures
221 which have separate instruction and data address spaces (and perhaps
224 GDB usually defines a flat address space that is a superset of the
225 architecture's two (or more) address spaces, but this is an extension
226 of the architecture's model.
228 If TYPE_FLAG_INST is set, an object of the corresponding type
229 resides in instruction memory, even if its address (in the extended
230 flat address space) does not reflect this.
232 Similarly, if TYPE_FLAG_DATA is set, then an object of the
233 corresponding type resides in the data memory space, even if
234 this is not indicated by its (flat address space) address.
236 If neither flag is set, the default space for functions / methods
237 is instruction space, and for data objects is data memory. */
239 #define TYPE_FLAG_CODE_SPACE (1 << 9)
240 #define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE)
242 #define TYPE_FLAG_DATA_SPACE (1 << 10)
243 #define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE)
245 /* FIXME drow/2002-06-03: Only used for methods, but applies as well
248 #define TYPE_FLAG_VARARGS (1 << 11)
249 #define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS)
251 /* Identify a vector type. Gcc is handling this by adding an extra
252 attribute to the array type. We slurp that in as a new flag of a
253 type. This is used only in dwarf2read.c. */
254 #define TYPE_FLAG_VECTOR (1 << 12)
255 #define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR)
257 /* Address class flags. Some environments provide for pointers whose
258 size is different from that of a normal pointer or address types
259 where the bits are interpreted differently than normal addresses. The
260 TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific
261 ways to represent these different types of address classes. */
262 #define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13)
263 #define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
264 & TYPE_FLAG_ADDRESS_CLASS_1)
265 #define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14)
266 #define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
267 & TYPE_FLAG_ADDRESS_CLASS_2)
268 #define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \
269 | TYPE_FLAG_ADDRESS_CLASS_2)
270 #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
271 & TYPE_FLAG_ADDRESS_CLASS_ALL)
273 /* The debugging formats (especially STABS) do not contain enough information
274 to represent all Ada types---especially those whose size depends on
275 dynamic quantities. Therefore, the GNAT Ada compiler includes
276 extra information in the form of additional type definitions
277 connected by naming conventions. This flag indicates that the
278 type is an ordinary (unencoded) GDB type that has been created from
279 the necessary run-time information, and does not need further
280 interpretation. Optionally marks ordinary, fixed-size GDB type. */
282 #define TYPE_FLAG_FIXED_INSTANCE (1 << 15)
284 /* This debug target supports TYPE_STUB(t). In the unsupported case we have to
285 rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE ().
286 TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only guessed
287 the TYPE_STUB(t) value (see dwarfread.c). */
289 #define TYPE_FLAG_STUB_SUPPORTED (1 << 16)
290 #define TYPE_STUB_SUPPORTED(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB_SUPPORTED)
292 /* Not textual. By default, GDB treats all single byte integers as
293 characters (or elements of strings) unless this flag is set. */
295 #define TYPE_FLAG_NOTTEXT (1 << 17)
296 #define TYPE_NOTTEXT(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOTTEXT)
298 /* Array bound type. */
299 enum array_bound_type
302 BOUND_BY_VALUE_IN_REG
,
304 BOUND_BY_VALUE_ON_STACK
,
305 BOUND_BY_REF_ON_STACK
,
306 BOUND_CANNOT_BE_DETERMINED
309 /* This structure is space-critical.
310 Its layout has been tweaked to reduce the space used. */
314 /* Code for kind of type */
316 ENUM_BITFIELD(type_code
) code
: 8;
318 /* Array bounds. These fields appear at this location because
319 they pack nicely here. */
321 ENUM_BITFIELD(array_bound_type
) upper_bound_type
: 4;
322 ENUM_BITFIELD(array_bound_type
) lower_bound_type
: 4;
324 /* Name of this type, or NULL if none.
326 This is used for printing only, except by poorly designed C++ code.
327 For looking up a name, look for a symbol in the VAR_DOMAIN. */
331 /* Tag name for this type, or NULL if none. This means that the
332 name of the type consists of a keyword followed by the tag name.
333 Which keyword is determined by the type code ("struct" for
334 TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages
337 This is used for printing only, except by poorly designed C++ code.
338 For looking up a name, look for a symbol in the STRUCT_DOMAIN.
339 One more legitimate use is that if TYPE_FLAG_STUB is set, this is
340 the name to use to look for definitions in other files. */
344 /* Every type is now associated with a particular objfile, and the
345 type is allocated on the objfile_obstack for that objfile. One problem
346 however, is that there are times when gdb allocates new types while
347 it is not in the process of reading symbols from a particular objfile.
348 Fortunately, these happen when the type being created is a derived
349 type of an existing type, such as in lookup_pointer_type(). So
350 we can just allocate the new type using the same objfile as the
351 existing type, but to do this we need a backpointer to the objfile
352 from the existing type. Yes this is somewhat ugly, but without
353 major overhaul of the internal type system, it can't be avoided
356 struct objfile
*objfile
;
358 /* For a pointer type, describes the type of object pointed to.
359 For an array type, describes the type of the elements.
360 For a function or method type, describes the type of the return value.
361 For a range type, describes the type of the full range.
362 For a complex type, describes the type of each coordinate.
365 struct type
*target_type
;
367 /* Flags about this type. */
371 /* Number of fields described for this type */
375 /* Field number of the virtual function table pointer in
376 VPTR_BASETYPE. If -1, we were unable to find the virtual
377 function table pointer in initial symbol reading, and
378 get_vptr_fieldno should be called to find it if possible.
379 get_vptr_fieldno will update this field if possible.
380 Otherwise the value is left at -1.
382 Unused if this type does not have virtual functions. */
386 /* For structure and union types, a description of each field.
387 For set and pascal array types, there is one "field",
388 whose type is the domain type of the set or array.
389 For range types, there are two "fields",
390 the minimum and maximum values (both inclusive).
391 For enum types, each possible value is described by one "field".
392 For a function or method type, a "field" for each parameter.
393 For C++ classes, there is one field for each base class (if it is
394 a derived class) plus one field for each class data member. Member
395 functions are recorded elsewhere.
397 Using a pointer to a separate array of fields
398 allows all types to have the same size, which is useful
399 because we can allocate the space for a type before
400 we know what to put in it. */
406 /* Position of this field, counting in bits from start of
407 containing structure.
408 For gdbarch_bits_big_endian=1 targets, it is the bit offset to the MSB.
409 For gdbarch_bits_big_endian=0 targets, it is the bit offset to the LSB.
410 For a range bound or enum value, this is the value itself. */
414 /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
415 is the location (in the target) of the static field.
416 Otherwise, physname is the mangled label of the static field. */
423 /* For a function or member type, this is 1 if the argument is marked
424 artificial. Artificial arguments should not be shown to the
426 unsigned int artificial
: 1;
428 /* This flag is zero for non-static fields, 1 for fields whose location
429 is specified by the label loc.physname, and 2 for fields whose location
430 is specified by loc.physaddr. */
432 unsigned int static_kind
: 2;
434 /* Size of this field, in bits, or zero if not packed.
435 For an unpacked field, the field's type's length
436 says how many bytes the field occupies. */
438 unsigned int bitsize
: 29;
440 /* In a struct or union type, type of this field.
441 In a function or member type, type of this argument.
442 In an array type, the domain-type of the array. */
446 /* Name of field, value or argument.
447 NULL for range bounds, array domains, and member function
454 /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
455 is the base class which defined the virtual function table pointer.
457 For types that are pointer to member types (TYPE_CODE_METHODPTR,
458 TYPE_CODE_MEMBERPTR), VPTR_BASETYPE is the type that this pointer
461 For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
462 type that contains the method.
466 struct type
*vptr_basetype
;
468 /* Slot to point to additional language-specific fields of this type. */
472 /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
473 cplus_struct_default, a default static instance of a struct
474 cplus_struct_type. */
476 struct cplus_struct_type
*cplus_stuff
;
478 /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to two
479 floatformat objects that describe the floating-point value
480 that resides within the type. The first is for big endian
481 targets and the second is for little endian targets. */
483 const struct floatformat
**floatformat
;
485 /* For TYPE_CODE_FUNC types, the calling convention for targets
486 supporting multiple ABIs. Right now this is only fetched from
487 the Dwarf-2 DW_AT_calling_convention attribute. */
488 unsigned calling_convention
;
492 /* A ``struct type'' describes a particular instance of a type, with
493 some particular qualification. */
496 /* Type that is a pointer to this type.
497 NULL if no such pointer-to type is known yet.
498 The debugger may add the address of such a type
499 if it has to construct one later. */
501 struct type
*pointer_type
;
503 /* C++: also need a reference type. */
505 struct type
*reference_type
;
507 /* Variant chain. This points to a type that differs from this one only
508 in qualifiers and length. Currently, the possible qualifiers are
509 const, volatile, code-space, data-space, and address class. The
510 length may differ only when one of the address class flags are set.
511 The variants are linked in a circular ring and share MAIN_TYPE. */
514 /* Flags specific to this instance of the type, indicating where
515 on the ring we are. */
518 /* Length of storage for a value of this type. This is what
519 sizeof(type) would return; use it for address arithmetic,
520 memory reads and writes, etc. This size includes padding. For
521 example, an i386 extended-precision floating point value really
522 only occupies ten bytes, but most ABI's declare its size to be
523 12 bytes, to preserve alignment. A `struct type' representing
524 such a floating-point type would have a `length' value of 12,
525 even though the last two bytes are unused.
527 There's a bit of a host/target mess here, if you're concerned
528 about machines whose bytes aren't eight bits long, or who don't
529 have byte-addressed memory. Various places pass this to memcpy
530 and such, meaning it must be in units of host bytes. Various
531 other places expect they can calculate addresses by adding it
532 and such, meaning it must be in units of target bytes. For
533 some DSP targets, in which HOST_CHAR_BIT will (presumably) be 8
534 and TARGET_CHAR_BIT will be (say) 32, this is a problem.
536 One fix would be to make this field in bits (requiring that it
537 always be a multiple of HOST_CHAR_BIT and TARGET_CHAR_BIT) ---
538 the other choice would be to make it consistently in units of
539 HOST_CHAR_BIT. However, this would still fail to address
540 machines based on a ternary or decimal representation. */
544 /* Core type, shared by a group of qualified types. */
545 struct main_type
*main_type
;
548 #define NULL_TYPE ((struct type *) 0)
550 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
553 struct cplus_struct_type
555 /* Number of base classes this type derives from. The baseclasses are
556 stored in the first N_BASECLASSES fields (i.e. the `fields' field of
557 the struct type). I think only the `type' field of such a field has
562 /* Number of methods with unique names. All overloaded methods with
563 the same name count only once. */
567 /* Number of methods described for this type, not including the
568 methods that it derives from. */
570 short nfn_fields_total
;
572 /* The "declared_type" field contains a code saying how the
573 user really declared this type, e.g., "class s", "union s",
575 The 3 above things come out from the C++ compiler looking like classes,
576 but we keep track of the real declaration so we can give
577 the correct information on "ptype". (Note: TEMPLATE may not
578 belong in this list...) */
580 #define DECLARED_TYPE_CLASS 0
581 #define DECLARED_TYPE_UNION 1
582 #define DECLARED_TYPE_STRUCT 2
583 #define DECLARED_TYPE_TEMPLATE 3
584 short declared_type
; /* One of the above codes */
586 /* For derived classes, the number of base classes is given by n_baseclasses
587 and virtual_field_bits is a bit vector containing one bit per base class.
588 If the base class is virtual, the corresponding bit will be set.
593 class C : public B, public virtual A {};
595 B is a baseclass of C; A is a virtual baseclass for C.
596 This is a C++ 2.0 language feature. */
598 B_TYPE
*virtual_field_bits
;
600 /* For classes with private fields, the number of fields is given by
601 nfields and private_field_bits is a bit vector containing one bit
603 If the field is private, the corresponding bit will be set. */
605 B_TYPE
*private_field_bits
;
607 /* For classes with protected fields, the number of fields is given by
608 nfields and protected_field_bits is a bit vector containing one bit
610 If the field is private, the corresponding bit will be set. */
612 B_TYPE
*protected_field_bits
;
614 /* for classes with fields to be ignored, either this is optimized out
615 or this field has length 0 */
617 B_TYPE
*ignore_field_bits
;
619 /* For classes, structures, and unions, a description of each field,
620 which consists of an overloaded name, followed by the types of
621 arguments that the method expects, and then the name after it
622 has been renamed to make it distinct.
624 fn_fieldlists points to an array of nfn_fields of these. */
629 /* The overloaded name. */
633 /* The number of methods with this name. */
637 /* The list of methods. */
642 /* If is_stub is clear, this is the mangled name which we can
643 look up to find the address of the method (FIXME: it would
644 be cleaner to have a pointer to the struct symbol here
647 /* If is_stub is set, this is the portion of the mangled
648 name which specifies the arguments. For example, "ii",
649 if there are two int arguments, or "" if there are no
650 arguments. See gdb_mangle_name for the conversion from this
651 format to the one used if is_stub is clear. */
655 /* The function type for the method.
656 (This comment used to say "The return value of the method",
657 but that's wrong. The function type
658 is expected here, i.e. something with TYPE_CODE_FUNC,
659 and *not* the return-value type). */
663 /* For virtual functions.
664 First baseclass that defines this virtual function. */
666 struct type
*fcontext
;
670 unsigned int is_const
:1;
671 unsigned int is_volatile
:1;
672 unsigned int is_private
:1;
673 unsigned int is_protected
:1;
674 unsigned int is_public
:1;
675 unsigned int is_abstract
:1;
676 unsigned int is_static
:1;
677 unsigned int is_final
:1;
678 unsigned int is_synchronized
:1;
679 unsigned int is_native
:1;
680 unsigned int is_artificial
:1;
682 /* A stub method only has some fields valid (but they are enough
683 to reconstruct the rest of the fields). */
684 unsigned int is_stub
:1;
686 /* C++ method that is inlined */
687 unsigned int is_inlined
:1;
690 unsigned int dummy
:3;
692 /* Index into that baseclass's virtual function table,
693 minus 2; else if static: VOFFSET_STATIC; else: 0. */
695 unsigned int voffset
:16;
697 #define VOFFSET_STATIC 1
705 /* If this "struct type" describes a template, then it
706 * has arguments. "template_args" points to an array of
707 * template arg descriptors, of length "ntemplate_args".
708 * The only real information in each of these template arg descriptors
709 * is a name. "type" will typically just point to a "struct type" with
710 * the placeholder TYPE_CODE_TEMPLATE_ARG type.
712 short ntemplate_args
;
720 /* If this "struct type" describes a template, it has a list
721 * of instantiations. "instantiations" is a pointer to an array
722 * of type's, one representing each instantiation. There
723 * are "ninstantiations" elements in this array.
725 short ninstantiations
;
726 struct type
**instantiations
;
728 /* Pointer to information about enclosing scope, if this is a
729 * local type. If it is not a local type, this is NULL
731 struct local_type_info
739 /* Struct used in computing virtual base list */
742 struct type
*vbasetype
; /* pointer to virtual base */
743 struct vbase
*next
; /* next in chain */
746 /* Struct used for ranking a function for overload resolution */
747 struct badness_vector
753 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
754 this shared static structure. */
756 extern const struct cplus_struct_type cplus_struct_default
;
758 extern void allocate_cplus_struct_type (struct type
*);
760 #define INIT_CPLUS_SPECIFIC(type) \
761 (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
762 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
763 #define HAVE_CPLUS_STRUCT(type) \
764 (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
766 #define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
767 #define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
768 #define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
769 #define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name
770 #define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type
771 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
772 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
773 #define TYPE_CHAIN(thistype) (thistype)->chain
774 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
775 But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
776 so you only have to call check_typedef once. Since allocate_value
777 calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
778 #define TYPE_LENGTH(thistype) (thistype)->length
779 #define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile
780 #define TYPE_FLAGS(thistype) TYPE_MAIN_TYPE(thistype)->flags
781 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real
782 type, you need to do TYPE_CODE (check_type (this_type)). */
783 #define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code
784 #define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields
785 #define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->fields
786 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
787 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
789 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
790 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
791 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
793 /* Moto-specific stuff for FORTRAN arrays */
795 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) \
796 TYPE_MAIN_TYPE(thistype)->upper_bound_type
797 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) \
798 TYPE_MAIN_TYPE(thistype)->lower_bound_type
800 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
801 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
803 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
804 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
808 #define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
809 #define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
810 #define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno
811 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
812 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
813 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
814 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
815 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
816 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
817 #define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific
818 #define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
819 #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
820 #define TYPE_CALLING_CONVENTION(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.calling_convention
821 #define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type
822 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
823 #define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name
824 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
825 #define BASETYPE_VIA_PUBLIC(thistype, index) \
826 ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
828 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
829 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
830 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
832 #define FIELD_TYPE(thisfld) ((thisfld).type)
833 #define FIELD_NAME(thisfld) ((thisfld).name)
834 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
835 #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
836 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
837 #define FIELD_STATIC_KIND(thisfld) ((thisfld).static_kind)
838 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
839 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
840 #define SET_FIELD_PHYSNAME(thisfld, name) \
841 ((thisfld).static_kind = 1, FIELD_PHYSNAME(thisfld) = (name))
842 #define SET_FIELD_PHYSADDR(thisfld, name) \
843 ((thisfld).static_kind = 2, FIELD_PHYSADDR(thisfld) = (name))
844 #define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->fields[n]
845 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
846 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
847 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
848 #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
849 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
850 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
851 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
852 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
854 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
855 TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
856 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
857 TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
858 #define TYPE_FIELD_IGNORE_BITS(thistype) \
859 TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
860 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
861 TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
862 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
863 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
864 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
865 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
866 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
867 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
868 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
869 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
870 #define TYPE_FIELD_PRIVATE(thistype, n) \
871 (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
872 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
873 #define TYPE_FIELD_PROTECTED(thistype, n) \
874 (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
875 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
876 #define TYPE_FIELD_IGNORE(thistype, n) \
877 (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
878 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
879 #define TYPE_FIELD_VIRTUAL(thistype, n) \
880 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
881 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
883 #define TYPE_FIELD_STATIC(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind != 0)
884 #define TYPE_FIELD_STATIC_KIND(thistype, n) TYPE_MAIN_TYPE (thistype)->fields[n].static_kind
885 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind == 2)
886 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
887 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
889 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
890 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
891 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
892 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
893 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
895 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
896 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
897 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
898 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type)
899 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
900 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
901 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
902 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
903 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
904 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
905 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
906 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
907 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
908 #define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
909 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
910 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
911 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
912 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
913 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
914 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
915 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
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)) && \
925 (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
929 /* Address/pointer types. */
931 /* `pointer to data' type. Some target platforms use an implicitly
932 {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */
933 struct type
*builtin_data_ptr
;
935 /* `pointer to function (returning void)' type. Harvard
936 architectures mean that ABI function and code pointers are not
937 interconvertible. Similarly, since ANSI, C standards have
938 explicitly said that pointers to functions and pointers to data
939 are not interconvertible --- that is, you can't cast a function
940 pointer to void * and back, and expect to get the same value.
941 However, all function pointer types are interconvertible, so void
942 (*) () can server as a generic function pointer. */
943 struct type
*builtin_func_ptr
;
945 /* The target CPU's address type. This is the ISA address size. */
946 struct type
*builtin_core_addr
;
949 /* Types used for symbols with no debug information. */
950 struct type
*nodebug_text_symbol
;
951 struct type
*nodebug_data_symbol
;
952 struct type
*nodebug_unknown_symbol
;
953 struct type
*nodebug_tls_symbol
;
956 /* Integral types. */
958 /* We use these for the '/c' print format, because c_char is just a
959 one-byte integral type, which languages less laid back than C
960 will print as ... well, a one-byte integral type. */
961 struct type
*builtin_true_char
;
962 struct type
*builtin_true_unsigned_char
;
964 /* Implicit size/sign (based on the the architecture's ABI). */
965 struct type
*builtin_void
;
966 struct type
*builtin_char
;
967 struct type
*builtin_short
;
968 struct type
*builtin_int
;
969 struct type
*builtin_long
;
970 struct type
*builtin_signed_char
;
971 struct type
*builtin_unsigned_char
;
972 struct type
*builtin_unsigned_short
;
973 struct type
*builtin_unsigned_int
;
974 struct type
*builtin_unsigned_long
;
975 struct type
*builtin_float
;
976 struct type
*builtin_double
;
977 struct type
*builtin_long_double
;
978 struct type
*builtin_complex
;
979 struct type
*builtin_double_complex
;
980 struct type
*builtin_string
;
981 struct type
*builtin_bool
;
982 struct type
*builtin_long_long
;
983 struct type
*builtin_unsigned_long_long
;
984 struct type
*builtin_decfloat
;
985 struct type
*builtin_decdouble
;
986 struct type
*builtin_declong
;
989 /* Return the type table for the specified architecture. */
990 extern const struct builtin_type
*builtin_type (struct gdbarch
*gdbarch
);
992 /* Compatibility macros to access types for the current architecture. */
993 #define builtin_type_void_data_ptr \
994 (builtin_type (current_gdbarch)->builtin_data_ptr)
995 #define builtin_type_void_func_ptr \
996 (builtin_type (current_gdbarch)->builtin_func_ptr)
997 #define builtin_type_CORE_ADDR \
998 (builtin_type (current_gdbarch)->builtin_core_addr)
999 #define builtin_type_true_char \
1000 (builtin_type (current_gdbarch)->builtin_true_char)
1001 #define builtin_type_void \
1002 (builtin_type (current_gdbarch)->builtin_void)
1003 #define builtin_type_char \
1004 (builtin_type (current_gdbarch)->builtin_char)
1005 #define builtin_type_short \
1006 (builtin_type (current_gdbarch)->builtin_short)
1007 #define builtin_type_int \
1008 (builtin_type (current_gdbarch)->builtin_int)
1009 #define builtin_type_long \
1010 (builtin_type (current_gdbarch)->builtin_long)
1011 #define builtin_type_signed_char \
1012 (builtin_type (current_gdbarch)->builtin_signed_char)
1013 #define builtin_type_unsigned_char \
1014 (builtin_type (current_gdbarch)->builtin_unsigned_char)
1015 #define builtin_type_unsigned_short \
1016 (builtin_type (current_gdbarch)->builtin_unsigned_short)
1017 #define builtin_type_unsigned_int \
1018 (builtin_type (current_gdbarch)->builtin_unsigned_int)
1019 #define builtin_type_unsigned_long \
1020 (builtin_type (current_gdbarch)->builtin_unsigned_long)
1021 #define builtin_type_float \
1022 (builtin_type (current_gdbarch)->builtin_float)
1023 #define builtin_type_double \
1024 (builtin_type (current_gdbarch)->builtin_double)
1025 #define builtin_type_long_double \
1026 (builtin_type (current_gdbarch)->builtin_long_double)
1027 #define builtin_type_complex \
1028 (builtin_type (current_gdbarch)->builtin_complex)
1029 #define builtin_type_double_complex \
1030 (builtin_type (current_gdbarch)->builtin_double_complex)
1031 #define builtin_type_string \
1032 (builtin_type (current_gdbarch)->builtin_string)
1033 #define builtin_type_bool \
1034 (builtin_type (current_gdbarch)->builtin_bool)
1035 #define builtin_type_long_long \
1036 (builtin_type (current_gdbarch)->builtin_long_long)
1037 #define builtin_type_unsigned_long_long \
1038 (builtin_type (current_gdbarch)->builtin_unsigned_long_long)
1041 /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
1042 is for when an architecture needs to describe a register that has
1044 extern struct type
*builtin_type_int0
;
1045 extern struct type
*builtin_type_int8
;
1046 extern struct type
*builtin_type_uint8
;
1047 extern struct type
*builtin_type_int16
;
1048 extern struct type
*builtin_type_uint16
;
1049 extern struct type
*builtin_type_int32
;
1050 extern struct type
*builtin_type_uint32
;
1051 extern struct type
*builtin_type_int64
;
1052 extern struct type
*builtin_type_uint64
;
1053 extern struct type
*builtin_type_int128
;
1054 extern struct type
*builtin_type_uint128
;
1056 /* Explicit floating-point formats. See "floatformat.h". */
1057 extern const struct floatformat
*floatformats_ieee_single
[BFD_ENDIAN_UNKNOWN
];
1058 extern const struct floatformat
*floatformats_ieee_double
[BFD_ENDIAN_UNKNOWN
];
1059 extern const struct floatformat
*floatformats_ieee_double_littlebyte_bigword
[BFD_ENDIAN_UNKNOWN
];
1060 extern const struct floatformat
*floatformats_i387_ext
[BFD_ENDIAN_UNKNOWN
];
1061 extern const struct floatformat
*floatformats_m68881_ext
[BFD_ENDIAN_UNKNOWN
];
1062 extern const struct floatformat
*floatformats_arm_ext
[BFD_ENDIAN_UNKNOWN
];
1063 extern const struct floatformat
*floatformats_ia64_spill
[BFD_ENDIAN_UNKNOWN
];
1064 extern const struct floatformat
*floatformats_ia64_quad
[BFD_ENDIAN_UNKNOWN
];
1065 extern const struct floatformat
*floatformats_vax_f
[BFD_ENDIAN_UNKNOWN
];
1066 extern const struct floatformat
*floatformats_vax_d
[BFD_ENDIAN_UNKNOWN
];
1067 extern const struct floatformat
*floatformats_ibm_long_double
[BFD_ENDIAN_UNKNOWN
];
1069 extern struct type
*builtin_type_ieee_single
;
1070 extern struct type
*builtin_type_ieee_double
;
1071 extern struct type
*builtin_type_i387_ext
;
1072 extern struct type
*builtin_type_m68881_ext
;
1073 extern struct type
*builtin_type_arm_ext
;
1074 extern struct type
*builtin_type_ia64_spill
;
1075 extern struct type
*builtin_type_ia64_quad
;
1077 /* This type represents a type that was unrecognized in symbol
1080 extern struct type
*builtin_type_error
;
1083 /* Modula-2 types */
1085 struct builtin_m2_type
1087 struct type
*builtin_char
;
1088 struct type
*builtin_int
;
1089 struct type
*builtin_card
;
1090 struct type
*builtin_real
;
1091 struct type
*builtin_bool
;
1094 /* Return the Modula-2 type table for the specified architecture. */
1095 extern const struct builtin_m2_type
*builtin_m2_type (struct gdbarch
*gdbarch
);
1097 /* Compatibility macros to access types for the current architecture. */
1098 #define builtin_type_m2_char \
1099 (builtin_m2_type (current_gdbarch)->builtin_char)
1100 #define builtin_type_m2_int \
1101 (builtin_m2_type (current_gdbarch)->builtin_int)
1102 #define builtin_type_m2_card \
1103 (builtin_m2_type (current_gdbarch)->builtin_card)
1104 #define builtin_type_m2_real \
1105 (builtin_m2_type (current_gdbarch)->builtin_real)
1106 #define builtin_type_m2_bool \
1107 (builtin_m2_type (current_gdbarch)->builtin_bool)
1110 /* Fortran (F77) types */
1112 struct builtin_f_type
1114 struct type
*builtin_character
;
1115 struct type
*builtin_integer
;
1116 struct type
*builtin_integer_s2
;
1117 struct type
*builtin_logical
;
1118 struct type
*builtin_logical_s1
;
1119 struct type
*builtin_logical_s2
;
1120 struct type
*builtin_real
;
1121 struct type
*builtin_real_s8
;
1122 struct type
*builtin_real_s16
;
1123 struct type
*builtin_complex_s8
;
1124 struct type
*builtin_complex_s16
;
1125 struct type
*builtin_complex_s32
;
1126 struct type
*builtin_void
;
1129 /* Return the Fortran type table for the specified architecture. */
1130 extern const struct builtin_f_type
*builtin_f_type (struct gdbarch
*gdbarch
);
1132 /* Compatibility macros to access types for the current architecture. */
1133 #define builtin_type_f_character \
1134 (builtin_f_type (current_gdbarch)->builtin_character)
1135 #define builtin_type_f_integer \
1136 (builtin_f_type (current_gdbarch)->builtin_integer)
1137 #define builtin_type_f_integer_s2 \
1138 (builtin_f_type (current_gdbarch)->builtin_integer_s2)
1139 #define builtin_type_f_logical \
1140 (builtin_f_type (current_gdbarch)->builtin_logical)
1141 #define builtin_type_f_logical_s1 \
1142 (builtin_f_type (current_gdbarch)->builtin_logical_s1)
1143 #define builtin_type_f_logical_s2 \
1144 (builtin_f_type (current_gdbarch)->builtin_logical_s2)
1145 #define builtin_type_f_real \
1146 (builtin_f_type (current_gdbarch)->builtin_real)
1147 #define builtin_type_f_real_s8 \
1148 (builtin_f_type (current_gdbarch)->builtin_real_s8)
1149 #define builtin_type_f_real_s16 \
1150 (builtin_f_type (current_gdbarch)->builtin_real_s16)
1151 #define builtin_type_f_complex_s8 \
1152 (builtin_f_type (current_gdbarch)->builtin_complex_s8)
1153 #define builtin_type_f_complex_s16 \
1154 (builtin_f_type (current_gdbarch)->builtin_complex_s16)
1155 #define builtin_type_f_complex_s32 \
1156 (builtin_f_type (current_gdbarch)->builtin_complex_s32)
1157 #define builtin_type_f_void \
1158 (builtin_f_type (current_gdbarch)->builtin_void)
1162 /* extern struct type *builtin_type_cxx_typeinfo; */
1164 /* Maximum and minimum values of built-in types */
1166 #define MAX_OF_TYPE(t) \
1167 (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
1168 : MAX_OF_SIZE(TYPE_LENGTH(t)))
1170 #define MIN_OF_TYPE(t) \
1171 (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
1172 : MIN_OF_SIZE(TYPE_LENGTH(t)))
1174 /* Allocate space for storing data associated with a particular type.
1175 We ensure that the space is allocated using the same mechanism that
1176 was used to allocate the space for the type structure itself. I.E.
1177 if the type is on an objfile's objfile_obstack, then the space for data
1178 associated with that type will also be allocated on the objfile_obstack.
1179 If the type is not associated with any particular objfile (such as
1180 builtin types), then the data space will be allocated with xmalloc,
1181 the same as for the type structure. */
1183 #define TYPE_ALLOC(t,size) \
1184 (TYPE_OBJFILE (t) != NULL \
1185 ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
1188 #define TYPE_ZALLOC(t,size) \
1189 (TYPE_OBJFILE (t) != NULL \
1190 ? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
1194 extern struct type
*alloc_type (struct objfile
*);
1196 extern struct type
*init_type (enum type_code
, int, int, char *,
1199 /* Helper functions to construct a struct or record type. An
1200 initially empty type is created using init_composite_type().
1201 Fields are then added using append_struct_type_field(). A union
1202 type has its size set to the largest field. A struct type has each
1203 field packed against the previous. */
1205 extern struct type
*init_composite_type (char *name
, enum type_code code
);
1206 extern void append_composite_type_field (struct type
*t
, char *name
,
1207 struct type
*field
);
1209 /* Helper functions to construct a bit flags type. An initially empty
1210 type is created using init_flag_type(). Flags are then added using
1211 append_flag_type_flag(). */
1212 extern struct type
*init_flags_type (char *name
, int length
);
1213 extern void append_flags_type_flag (struct type
*type
, int bitpos
, char *name
);
1215 extern void make_vector_type (struct type
*array_type
);
1216 extern struct type
*init_vector_type (struct type
*elt_type
, int n
);
1218 extern struct type
*lookup_reference_type (struct type
*);
1220 extern struct type
*make_reference_type (struct type
*, struct type
**);
1222 extern struct type
*make_cv_type (int, int, struct type
*, struct type
**);
1224 extern void replace_type (struct type
*, struct type
*);
1226 extern int address_space_name_to_int (char *);
1228 extern const char *address_space_int_to_name (int);
1230 extern struct type
*make_type_with_address_space (struct type
*type
,
1231 int space_identifier
);
1233 extern struct type
*lookup_memberptr_type (struct type
*, struct type
*);
1235 extern struct type
*lookup_methodptr_type (struct type
*);
1237 extern void smash_to_method_type (struct type
*type
, struct type
*domain
,
1238 struct type
*to_type
, struct field
*args
,
1239 int nargs
, int varargs
);
1241 extern void smash_to_memberptr_type (struct type
*, struct type
*,
1244 extern struct type
*allocate_stub_method (struct type
*);
1246 extern char *type_name_no_tag (const struct type
*);
1248 extern struct type
*lookup_struct_elt_type (struct type
*, char *, int);
1250 extern struct type
*make_pointer_type (struct type
*, struct type
**);
1252 extern struct type
*lookup_pointer_type (struct type
*);
1254 extern struct type
*make_function_type (struct type
*, struct type
**);
1256 extern struct type
*lookup_function_type (struct type
*);
1258 extern struct type
*create_range_type (struct type
*, struct type
*, int,
1261 extern struct type
*create_array_type (struct type
*, struct type
*,
1264 extern struct type
*create_string_type (struct type
*, struct type
*);
1266 extern struct type
*create_set_type (struct type
*, struct type
*);
1268 extern struct type
*lookup_unsigned_typename (char *);
1270 extern struct type
*lookup_signed_typename (char *);
1272 extern struct type
*check_typedef (struct type
*);
1274 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
1276 extern void check_stub_method_group (struct type
*, int);
1278 extern char *gdb_mangle_name (struct type
*, int, int);
1280 extern struct type
*lookup_typename (char *, struct block
*, int);
1282 extern struct type
*lookup_template_type (char *, struct type
*,
1285 extern int get_vptr_fieldno (struct type
*, struct type
**);
1287 extern int get_destructor_fn_field (struct type
*, int *, int *);
1289 extern int get_discrete_bounds (struct type
*, LONGEST
*, LONGEST
*);
1291 extern int is_ancestor (struct type
*, struct type
*);
1293 /* Overload resolution */
1295 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1297 /* Badness if parameter list length doesn't match arg list length */
1298 #define LENGTH_MISMATCH_BADNESS 100
1299 /* Dummy badness value for nonexistent parameter positions */
1300 #define TOO_FEW_PARAMS_BADNESS 100
1301 /* Badness if no conversion among types */
1302 #define INCOMPATIBLE_TYPE_BADNESS 100
1304 /* Badness of integral promotion */
1305 #define INTEGER_PROMOTION_BADNESS 1
1306 /* Badness of floating promotion */
1307 #define FLOAT_PROMOTION_BADNESS 1
1308 /* Badness of integral conversion */
1309 #define INTEGER_CONVERSION_BADNESS 2
1310 /* Badness of floating conversion */
1311 #define FLOAT_CONVERSION_BADNESS 2
1312 /* Badness of integer<->floating conversions */
1313 #define INT_FLOAT_CONVERSION_BADNESS 2
1314 /* Badness of converting to a boolean */
1315 #define BOOLEAN_CONVERSION_BADNESS 2
1316 /* Badness of pointer conversion */
1317 #define POINTER_CONVERSION_BADNESS 2
1318 /* Badness of conversion of pointer to void pointer */
1319 #define VOID_PTR_CONVERSION_BADNESS 2
1320 /* Badness of converting derived to base class */
1321 #define BASE_CONVERSION_BADNESS 2
1322 /* Badness of converting from non-reference to reference */
1323 #define REFERENCE_CONVERSION_BADNESS 2
1325 /* Non-standard conversions allowed by the debugger */
1326 /* Converting a pointer to an int is usually OK */
1327 #define NS_POINTER_CONVERSION_BADNESS 10
1330 extern int compare_badness (struct badness_vector
*, struct badness_vector
*);
1332 extern struct badness_vector
*rank_function (struct type
**, int,
1333 struct type
**, int);
1335 extern int rank_one_type (struct type
*, struct type
*);
1337 extern void recursive_dump_type (struct type
*, int);
1341 extern void print_scalar_formatted (const void *, struct type
*, int, int,
1344 extern int can_dereference (struct type
*);
1346 extern int is_integral_type (struct type
*);
1348 extern void maintenance_print_type (char *, int);
1350 extern htab_t
create_copied_types_hash (struct objfile
*objfile
);
1352 extern struct type
*copy_type_recursive (struct objfile
*objfile
,
1354 htab_t copied_types
);
1356 #endif /* GDBTYPES_H */