1 /* Internal type definitions for GDB.
3 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4 2001, 2002, 2003, 2004, 2006 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., 51 Franklin Street, Fifth Floor,
23 Boston, MA 02110-1301, USA. */
25 #if !defined (GDBTYPES_H)
30 /* Forward declarations for prototypes. */
34 /* Codes for `fundamental types'. This is a monstrosity based on the
35 bogus notion that there are certain compiler-independent
36 `fundamental types'. None of these is well-defined (how big is
37 FT_SHORT? Does it depend on the language? How does the
38 language-specific code know which type to correlate to FT_SHORT?) */
42 #define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */
43 #define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */
44 #define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */
46 #define FT_SIGNED_SHORT 6
47 #define FT_UNSIGNED_SHORT 7
49 #define FT_SIGNED_INTEGER 9
50 #define FT_UNSIGNED_INTEGER 10
52 #define FT_SIGNED_LONG 12
53 #define FT_UNSIGNED_LONG 13
54 #define FT_LONG_LONG 14
55 #define FT_SIGNED_LONG_LONG 15
56 #define FT_UNSIGNED_LONG_LONG 16
58 #define FT_DBL_PREC_FLOAT 18
59 #define FT_EXT_PREC_FLOAT 19
61 #define FT_DBL_PREC_COMPLEX 21
62 #define FT_EXT_PREC_COMPLEX 22
64 #define FT_FIXED_DECIMAL 24
65 #define FT_FLOAT_DECIMAL 25
67 #define FT_UNSIGNED_BYTE 27
68 #define FT_TEMPLATE_ARG 28
70 #define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */
72 /* Some macros for char-based bitfields. */
74 #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
75 #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
76 #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
77 #define B_TYPE unsigned char
78 #define B_BYTES(x) ( 1 + ((x)>>3) )
79 #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
81 /* Different kinds of data types are distinguished by the `code' field. */
85 TYPE_CODE_UNDEF
, /* Not used; catches errors */
86 TYPE_CODE_PTR
, /* Pointer type */
88 /* Array type with lower & upper bounds.
90 Regardless of the language, GDB represents multidimensional
91 array types the way C does: as arrays of arrays. So an
92 instance of a GDB array type T can always be seen as a series
93 of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
96 Row-major languages like C lay out multi-dimensional arrays so
97 that incrementing the rightmost index in a subscripting
98 expression results in the smallest change in the address of the
99 element referred to. Column-major languages like Fortran lay
100 them out so that incrementing the leftmost index results in the
103 This means that, in column-major languages, working our way
104 from type to target type corresponds to working through indices
105 from right to left, not left to right. */
108 TYPE_CODE_STRUCT
, /* C struct or Pascal record */
109 TYPE_CODE_UNION
, /* C union or Pascal variant part */
110 TYPE_CODE_ENUM
, /* Enumeration type */
111 TYPE_CODE_FLAGS
, /* Bit flags type */
112 TYPE_CODE_FUNC
, /* Function type */
113 TYPE_CODE_INT
, /* Integer type */
115 /* Floating type. This is *NOT* a complex type. Beware, there are parts
116 of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
119 /* Void type. The length field specifies the length (probably always
120 one) which is used in pointer arithmetic involving pointers to
121 this type, but actually dereferencing such a pointer is invalid;
122 a void type has no length and no actual representation in memory
123 or registers. A pointer to a void type is a generic pointer. */
126 TYPE_CODE_SET
, /* Pascal sets */
127 TYPE_CODE_RANGE
, /* Range (integers within spec'd bounds) */
129 /* A string type which is like an array of character but prints
130 differently (at least for (the deleted) CHILL). It does not
131 contain a length field as Pascal strings (for many Pascals,
132 anyway) do; if we want to deal with such strings, we should use
136 /* String of bits; like TYPE_CODE_SET but prints differently (at
137 least for (the deleted) CHILL). */
140 /* Unknown type. The length field is valid if we were able to
141 deduce that much about the type, or 0 if we don't even know that. */
145 TYPE_CODE_METHOD
, /* Method type */
147 /* Pointer-to-member-function type. This describes how to access a
148 particular member function of a class (possibly a virtual
149 member function). The representation may vary between different
153 /* Pointer-to-member type. This is the offset within a class to some
154 particular data member. The only currently supported representation
155 uses an unbiased offset, with -1 representing NULL; this is used
156 by the Itanium C++ ABI (used by GCC on all platforms). */
159 TYPE_CODE_REF
, /* C++ Reference types */
161 TYPE_CODE_CHAR
, /* *real* character type */
163 /* Boolean type. 0 is false, 1 is true, and other values are non-boolean
164 (e.g. FORTRAN "logical" used as unsigned int). */
168 TYPE_CODE_COMPLEX
, /* Complex float */
171 TYPE_CODE_TEMPLATE
, /* C++ template */
172 TYPE_CODE_TEMPLATE_ARG
, /* C++ template arg */
174 TYPE_CODE_NAMESPACE
/* C++ namespace. */
177 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
178 alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct
179 "class" attribute. Perhaps we should actually have a separate TYPE_CODE
180 so that we can print "class" or "struct" depending on what the debug
181 info said. It's not clear we should bother. */
183 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
185 /* Some bits for the type's flags word, and macros to test them. */
187 /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
188 type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
190 #define TYPE_FLAG_UNSIGNED (1 << 0)
191 #define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED)
193 /* No sign for this type. In C++, "char", "signed char", and "unsigned
194 char" are distinct types; so we need an extra flag to indicate the
195 absence of a sign! */
197 #define TYPE_FLAG_NOSIGN (1 << 1)
198 #define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN)
200 /* This appears in a type's flags word if it is a stub type (e.g., if
201 someone referenced a type that wasn't defined in a source file
202 via (struct sir_not_appearing_in_this_film *)). */
204 #define TYPE_FLAG_STUB (1 << 2)
205 #define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB)
207 /* The target type of this type is a stub type, and this type needs to
208 be updated if it gets un-stubbed in check_typedef.
209 Used for arrays and ranges, in which TYPE_LENGTH of the array/range
210 gets set based on the TYPE_LENGTH of the target type.
211 Also, set for TYPE_CODE_TYPEDEF. */
213 #define TYPE_FLAG_TARGET_STUB (1 << 3)
214 #define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB)
216 /* Static type. If this is set, the corresponding type had
218 * Note: This may be unnecessary, since static data members
219 * are indicated by other means (bitpos == -1)
222 #define TYPE_FLAG_STATIC (1 << 4)
223 #define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC)
225 /* Constant type. If this is set, the corresponding type has a
229 #define TYPE_FLAG_CONST (1 << 5)
230 #define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST)
232 /* Volatile type. If this is set, the corresponding type has a
236 #define TYPE_FLAG_VOLATILE (1 << 6)
237 #define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE)
240 /* This is a function type which appears to have a prototype. We need this
241 for function calls in order to tell us if it's necessary to coerce the args,
242 or to just do the standard conversions. This is used with a short field. */
244 #define TYPE_FLAG_PROTOTYPED (1 << 7)
245 #define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED)
247 /* This flag is used to indicate that processing for this type
250 (Mostly intended for HP platforms, where class methods, for
251 instance, can be encountered before their classes in the debug
252 info; the incomplete type has to be marked so that the class and
253 the method can be assigned correct types.) */
255 #define TYPE_FLAG_INCOMPLETE (1 << 8)
256 #define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE)
258 /* Instruction-space delimited type. This is for Harvard architectures
259 which have separate instruction and data address spaces (and perhaps
262 GDB usually defines a flat address space that is a superset of the
263 architecture's two (or more) address spaces, but this is an extension
264 of the architecture's model.
266 If TYPE_FLAG_INST is set, an object of the corresponding type
267 resides in instruction memory, even if its address (in the extended
268 flat address space) does not reflect this.
270 Similarly, if TYPE_FLAG_DATA is set, then an object of the
271 corresponding type resides in the data memory space, even if
272 this is not indicated by its (flat address space) address.
274 If neither flag is set, the default space for functions / methods
275 is instruction space, and for data objects is data memory. */
277 #define TYPE_FLAG_CODE_SPACE (1 << 9)
278 #define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE)
280 #define TYPE_FLAG_DATA_SPACE (1 << 10)
281 #define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE)
283 /* FIXME drow/2002-06-03: Only used for methods, but applies as well
286 #define TYPE_FLAG_VARARGS (1 << 11)
287 #define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS)
289 /* Identify a vector type. Gcc is handling this by adding an extra
290 attribute to the array type. We slurp that in as a new flag of a
291 type. This is used only in dwarf2read.c. */
292 #define TYPE_FLAG_VECTOR (1 << 12)
293 #define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR)
295 /* Address class flags. Some environments provide for pointers whose
296 size is different from that of a normal pointer or address types
297 where the bits are interpreted differently than normal addresses. The
298 TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific
299 ways to represent these different types of address classes. */
300 #define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13)
301 #define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
302 & TYPE_FLAG_ADDRESS_CLASS_1)
303 #define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14)
304 #define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
305 & TYPE_FLAG_ADDRESS_CLASS_2)
306 #define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \
307 | TYPE_FLAG_ADDRESS_CLASS_2)
308 #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
309 & TYPE_FLAG_ADDRESS_CLASS_ALL)
311 /* The debugging formats (especially STABS) do not contain enough information
312 to represent all Ada types---especially those whose size depends on
313 dynamic quantities. Therefore, the GNAT Ada compiler includes
314 extra information in the form of additional type definitions
315 connected by naming conventions. This flag indicates that the
316 type is an ordinary (unencoded) GDB type that has been created from
317 the necessary run-time information, and does not need further
318 interpretation. Optionally marks ordinary, fixed-size GDB type. */
320 #define TYPE_FLAG_FIXED_INSTANCE (1 << 15)
322 /* Array bound type. */
323 enum array_bound_type
326 BOUND_BY_VALUE_IN_REG
,
328 BOUND_BY_VALUE_ON_STACK
,
329 BOUND_BY_REF_ON_STACK
,
330 BOUND_CANNOT_BE_DETERMINED
333 /* This structure is space-critical.
334 Its layout has been tweaked to reduce the space used. */
338 /* Code for kind of type */
340 ENUM_BITFIELD(type_code
) code
: 8;
342 /* Array bounds. These fields appear at this location because
343 they pack nicely here. */
345 ENUM_BITFIELD(array_bound_type
) upper_bound_type
: 4;
346 ENUM_BITFIELD(array_bound_type
) lower_bound_type
: 4;
348 /* Name of this type, or NULL if none.
350 This is used for printing only, except by poorly designed C++ code.
351 For looking up a name, look for a symbol in the VAR_DOMAIN. */
355 /* Tag name for this type, or NULL if none. This means that the
356 name of the type consists of a keyword followed by the tag name.
357 Which keyword is determined by the type code ("struct" for
358 TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages
361 This is used for printing only, except by poorly designed C++ code.
362 For looking up a name, look for a symbol in the STRUCT_DOMAIN.
363 One more legitimate use is that if TYPE_FLAG_STUB is set, this is
364 the name to use to look for definitions in other files. */
368 /* Every type is now associated with a particular objfile, and the
369 type is allocated on the objfile_obstack for that objfile. One problem
370 however, is that there are times when gdb allocates new types while
371 it is not in the process of reading symbols from a particular objfile.
372 Fortunately, these happen when the type being created is a derived
373 type of an existing type, such as in lookup_pointer_type(). So
374 we can just allocate the new type using the same objfile as the
375 existing type, but to do this we need a backpointer to the objfile
376 from the existing type. Yes this is somewhat ugly, but without
377 major overhaul of the internal type system, it can't be avoided
380 struct objfile
*objfile
;
382 /* For a pointer type, describes the type of object pointed to.
383 For an array type, describes the type of the elements.
384 For a function or method type, describes the type of the return value.
385 For a range type, describes the type of the full range.
386 For a complex type, describes the type of each coordinate.
389 struct type
*target_type
;
391 /* Flags about this type. */
395 /* Number of fields described for this type */
399 /* Field number of the virtual function table pointer in
400 VPTR_BASETYPE. If -1, we were unable to find the virtual
401 function table pointer in initial symbol reading, and
402 fill_in_vptr_fieldno should be called to find it if possible.
404 Unused if this type does not have virtual functions. */
408 /* For structure and union types, a description of each field.
409 For set and pascal array types, there is one "field",
410 whose type is the domain type of the set or array.
411 For range types, there are two "fields",
412 the minimum and maximum values (both inclusive).
413 For enum types, each possible value is described by one "field".
414 For a function or method type, a "field" for each parameter.
415 For C++ classes, there is one field for each base class (if it is
416 a derived class) plus one field for each class data member. Member
417 functions are recorded elsewhere.
419 Using a pointer to a separate array of fields
420 allows all types to have the same size, which is useful
421 because we can allocate the space for a type before
422 we know what to put in it. */
428 /* Position of this field, counting in bits from start of
429 containing structure.
430 For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
431 For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
432 For a range bound or enum value, this is the value itself. */
436 /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
437 is the location (in the target) of the static field.
438 Otherwise, physname is the mangled label of the static field. */
445 /* For a function or member type, this is 1 if the argument is marked
446 artificial. Artificial arguments should not be shown to the
448 unsigned int artificial
: 1;
450 /* This flag is zero for non-static fields, 1 for fields whose location
451 is specified by the label loc.physname, and 2 for fields whose location
452 is specified by loc.physaddr. */
454 unsigned int static_kind
: 2;
456 /* Size of this field, in bits, or zero if not packed.
457 For an unpacked field, the field's type's length
458 says how many bytes the field occupies. */
460 unsigned int bitsize
: 29;
462 /* In a struct or union type, type of this field.
463 In a function or member type, type of this argument.
464 In an array type, the domain-type of the array. */
468 /* Name of field, value or argument.
469 NULL for range bounds, array domains, and member function
476 /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
477 is the base class which defined the virtual function table pointer.
479 For types that are pointer to member types (TYPE_CODE_METHODPTR,
480 TYPE_CODE_MEMBERPTR), VPTR_BASETYPE is the type that this pointer
483 For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
484 type that contains the method.
488 struct type
*vptr_basetype
;
490 /* Slot to point to additional language-specific fields of this type. */
494 /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
495 cplus_struct_default, a default static instance of a struct
496 cplus_struct_type. */
498 struct cplus_struct_type
*cplus_stuff
;
500 /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to the
501 floatformat object that describes the floating-point value
502 that resides within the type. */
504 const struct floatformat
*floatformat
;
508 /* A ``struct type'' describes a particular instance of a type, with
509 some particular qualification. */
512 /* Type that is a pointer to this type.
513 NULL if no such pointer-to type is known yet.
514 The debugger may add the address of such a type
515 if it has to construct one later. */
517 struct type
*pointer_type
;
519 /* C++: also need a reference type. */
521 struct type
*reference_type
;
523 /* Variant chain. This points to a type that differs from this one only
524 in qualifiers and length. Currently, the possible qualifiers are
525 const, volatile, code-space, data-space, and address class. The
526 length may differ only when one of the address class flags are set.
527 The variants are linked in a circular ring and share MAIN_TYPE. */
530 /* Flags specific to this instance of the type, indicating where
531 on the ring we are. */
534 /* Length of storage for a value of this type. This is what
535 sizeof(type) would return; use it for address arithmetic,
536 memory reads and writes, etc. This size includes padding. For
537 example, an i386 extended-precision floating point value really
538 only occupies ten bytes, but most ABI's declare its size to be
539 12 bytes, to preserve alignment. A `struct type' representing
540 such a floating-point type would have a `length' value of 12,
541 even though the last two bytes are unused.
543 There's a bit of a host/target mess here, if you're concerned
544 about machines whose bytes aren't eight bits long, or who don't
545 have byte-addressed memory. Various places pass this to memcpy
546 and such, meaning it must be in units of host bytes. Various
547 other places expect they can calculate addresses by adding it
548 and such, meaning it must be in units of target bytes. For
549 some DSP targets, in which HOST_CHAR_BIT will (presumably) be 8
550 and TARGET_CHAR_BIT will be (say) 32, this is a problem.
552 One fix would be to make this field in bits (requiring that it
553 always be a multiple of HOST_CHAR_BIT and TARGET_CHAR_BIT) ---
554 the other choice would be to make it consistently in units of
555 HOST_CHAR_BIT. However, this would still fail to address
556 machines based on a ternary or decimal representation. */
560 /* Core type, shared by a group of qualified types. */
561 struct main_type
*main_type
;
564 #define NULL_TYPE ((struct type *) 0)
566 /* C++ language-specific information for TYPE_CODE_STRUCT and TYPE_CODE_UNION
569 struct cplus_struct_type
571 /* Number of base classes this type derives from. The baseclasses are
572 stored in the first N_BASECLASSES fields (i.e. the `fields' field of
573 the struct type). I think only the `type' field of such a field has
578 /* Number of methods with unique names. All overloaded methods with
579 the same name count only once. */
583 /* Number of methods described for this type, not including the
584 methods that it derives from. */
586 short nfn_fields_total
;
588 /* The "declared_type" field contains a code saying how the
589 user really declared this type, e.g., "class s", "union s",
591 The 3 above things come out from the C++ compiler looking like classes,
592 but we keep track of the real declaration so we can give
593 the correct information on "ptype". (Note: TEMPLATE may not
594 belong in this list...) */
596 #define DECLARED_TYPE_CLASS 0
597 #define DECLARED_TYPE_UNION 1
598 #define DECLARED_TYPE_STRUCT 2
599 #define DECLARED_TYPE_TEMPLATE 3
600 short declared_type
; /* One of the above codes */
602 /* For derived classes, the number of base classes is given by n_baseclasses
603 and virtual_field_bits is a bit vector containing one bit per base class.
604 If the base class is virtual, the corresponding bit will be set.
609 class C : public B, public virtual A {};
611 B is a baseclass of C; A is a virtual baseclass for C.
612 This is a C++ 2.0 language feature. */
614 B_TYPE
*virtual_field_bits
;
616 /* For classes with private fields, the number of fields is given by
617 nfields and private_field_bits is a bit vector containing one bit
619 If the field is private, the corresponding bit will be set. */
621 B_TYPE
*private_field_bits
;
623 /* For classes with protected fields, the number of fields is given by
624 nfields and protected_field_bits is a bit vector containing one bit
626 If the field is private, the corresponding bit will be set. */
628 B_TYPE
*protected_field_bits
;
630 /* for classes with fields to be ignored, either this is optimized out
631 or this field has length 0 */
633 B_TYPE
*ignore_field_bits
;
635 /* For classes, structures, and unions, a description of each field,
636 which consists of an overloaded name, followed by the types of
637 arguments that the method expects, and then the name after it
638 has been renamed to make it distinct.
640 fn_fieldlists points to an array of nfn_fields of these. */
645 /* The overloaded name. */
649 /* The number of methods with this name. */
653 /* The list of methods. */
658 /* If is_stub is clear, this is the mangled name which we can
659 look up to find the address of the method (FIXME: it would
660 be cleaner to have a pointer to the struct symbol here
663 /* If is_stub is set, this is the portion of the mangled
664 name which specifies the arguments. For example, "ii",
665 if there are two int arguments, or "" if there are no
666 arguments. See gdb_mangle_name for the conversion from this
667 format to the one used if is_stub is clear. */
671 /* The function type for the method.
672 (This comment used to say "The return value of the method",
673 but that's wrong. The function type
674 is expected here, i.e. something with TYPE_CODE_FUNC,
675 and *not* the return-value type). */
679 /* For virtual functions.
680 First baseclass that defines this virtual function. */
682 struct type
*fcontext
;
686 unsigned int is_const
:1;
687 unsigned int is_volatile
:1;
688 unsigned int is_private
:1;
689 unsigned int is_protected
:1;
690 unsigned int is_public
:1;
691 unsigned int is_abstract
:1;
692 unsigned int is_static
:1;
693 unsigned int is_final
:1;
694 unsigned int is_synchronized
:1;
695 unsigned int is_native
:1;
696 unsigned int is_artificial
:1;
698 /* A stub method only has some fields valid (but they are enough
699 to reconstruct the rest of the fields). */
700 unsigned int is_stub
:1;
702 /* C++ method that is inlined */
703 unsigned int is_inlined
:1;
706 unsigned int dummy
:3;
708 /* Index into that baseclass's virtual function table,
709 minus 2; else if static: VOFFSET_STATIC; else: 0. */
711 unsigned int voffset
:16;
713 #define VOFFSET_STATIC 1
721 /* If this "struct type" describes a template, then it
722 * has arguments. "template_args" points to an array of
723 * template arg descriptors, of length "ntemplate_args".
724 * The only real information in each of these template arg descriptors
725 * is a name. "type" will typically just point to a "struct type" with
726 * the placeholder TYPE_CODE_TEMPLATE_ARG type.
728 short ntemplate_args
;
736 /* If this "struct type" describes a template, it has a list
737 * of instantiations. "instantiations" is a pointer to an array
738 * of type's, one representing each instantiation. There
739 * are "ninstantiations" elements in this array.
741 short ninstantiations
;
742 struct type
**instantiations
;
744 /* The following points to information relevant to the runtime model
746 * Currently being used only for HP's ANSI C++ compiler.
747 * (This type may have to be changed/enhanced for other compilers.)
749 * RUNTIME_PTR is NULL if there is no runtime information (currently
750 * this means the type was not compiled by HP aCC).
752 * Fields in structure pointed to:
753 * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
755 * ->PRIMARY_BASE points to the first non-virtual base class that has
758 * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
759 * point to the type information for all virtual bases among this type's
765 struct type
*primary_base
;
766 struct type
**virtual_base_list
;
770 /* Pointer to information about enclosing scope, if this is a
771 * local type. If it is not a local type, this is NULL
773 struct local_type_info
781 /* Struct used in computing virtual base list */
784 struct type
*vbasetype
; /* pointer to virtual base */
785 struct vbase
*next
; /* next in chain */
788 /* Struct used for ranking a function for overload resolution */
789 struct badness_vector
795 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
796 this shared static structure. */
798 extern const struct cplus_struct_type cplus_struct_default
;
800 extern void allocate_cplus_struct_type (struct type
*);
802 #define INIT_CPLUS_SPECIFIC(type) \
803 (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
804 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
805 #define HAVE_CPLUS_STRUCT(type) \
806 (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
808 #define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
809 #define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
810 #define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
811 #define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name
812 #define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type
813 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
814 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
815 #define TYPE_CHAIN(thistype) (thistype)->chain
816 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
817 But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
818 so you only have to call check_typedef once. Since allocate_value
819 calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
820 #define TYPE_LENGTH(thistype) (thistype)->length
821 #define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile
822 #define TYPE_FLAGS(thistype) TYPE_MAIN_TYPE(thistype)->flags
823 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real
824 type, you need to do TYPE_CODE (check_type (this_type)). */
825 #define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code
826 #define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields
827 #define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->fields
828 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
829 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
831 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
832 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
833 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
835 /* Moto-specific stuff for FORTRAN arrays */
837 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) \
838 TYPE_MAIN_TYPE(thistype)->upper_bound_type
839 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) \
840 TYPE_MAIN_TYPE(thistype)->lower_bound_type
842 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
843 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
845 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
846 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
850 #define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
851 #define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
852 #define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno
853 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
854 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
855 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
856 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
857 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
858 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
859 #define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific
860 #define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
861 #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
862 #define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type
863 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
864 #define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name
865 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
866 #define BASETYPE_VIA_PUBLIC(thistype, index) \
867 ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
869 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
870 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
871 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
873 #define FIELD_TYPE(thisfld) ((thisfld).type)
874 #define FIELD_NAME(thisfld) ((thisfld).name)
875 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
876 #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
877 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
878 #define FIELD_STATIC_KIND(thisfld) ((thisfld).static_kind)
879 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
880 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
881 #define SET_FIELD_PHYSNAME(thisfld, name) \
882 ((thisfld).static_kind = 1, FIELD_PHYSNAME(thisfld) = (name))
883 #define SET_FIELD_PHYSADDR(thisfld, name) \
884 ((thisfld).static_kind = 2, FIELD_PHYSADDR(thisfld) = (name))
885 #define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->fields[n]
886 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
887 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
888 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
889 #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
890 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
891 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
892 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
893 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
895 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
896 TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
897 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
898 TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
899 #define TYPE_FIELD_IGNORE_BITS(thistype) \
900 TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
901 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
902 TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
903 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
904 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
905 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
906 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
907 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
908 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
909 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
910 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
911 #define TYPE_FIELD_PRIVATE(thistype, n) \
912 (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
913 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
914 #define TYPE_FIELD_PROTECTED(thistype, n) \
915 (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
916 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
917 #define TYPE_FIELD_IGNORE(thistype, n) \
918 (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
919 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
920 #define TYPE_FIELD_VIRTUAL(thistype, n) \
921 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
922 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
924 #define TYPE_FIELD_STATIC(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind != 0)
925 #define TYPE_FIELD_STATIC_KIND(thistype, n) TYPE_MAIN_TYPE (thistype)->fields[n].static_kind
926 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind == 2)
927 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
928 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
930 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
931 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
932 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
933 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
934 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
936 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
937 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
938 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
939 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type)
940 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
941 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
942 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
943 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
944 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
945 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
946 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
947 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
948 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
949 #define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
950 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
951 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
952 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
953 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
954 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
955 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
956 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
958 #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
959 #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
960 #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
961 #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
962 #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
964 #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
965 #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
966 #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
968 #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \
969 (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \
970 (TYPE_NFIELDS (thistype) == 0) && \
971 (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
975 /* Address/pointer types. */
977 /* `pointer to data' type. Some target platforms use an implicitly
978 {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */
979 struct type
*builtin_data_ptr
;
981 /* `pointer to function (returning void)' type. Harvard
982 architectures mean that ABI function and code pointers are not
983 interconvertible. Similarly, since ANSI, C standards have
984 explicitly said that pointers to functions and pointers to data
985 are not interconvertible --- that is, you can't cast a function
986 pointer to void * and back, and expect to get the same value.
987 However, all function pointer types are interconvertible, so void
988 (*) () can server as a generic function pointer. */
989 struct type
*builtin_func_ptr
;
991 /* The target CPU's address type. This is the ISA address size. */
992 struct type
*builtin_core_addr
;
994 /* Integral types. */
996 /* We use this for the '/c' print format, because c_char is just a
997 one-byte integral type, which languages less laid back than C
998 will print as ... well, a one-byte integral type. */
999 struct type
*builtin_true_char
;
1001 /* Implicit size/sign (based on the the architecture's ABI). */
1002 struct type
*builtin_void
;
1003 struct type
*builtin_char
;
1004 struct type
*builtin_short
;
1005 struct type
*builtin_int
;
1006 struct type
*builtin_long
;
1007 struct type
*builtin_signed_char
;
1008 struct type
*builtin_unsigned_char
;
1009 struct type
*builtin_unsigned_short
;
1010 struct type
*builtin_unsigned_int
;
1011 struct type
*builtin_unsigned_long
;
1012 struct type
*builtin_float
;
1013 struct type
*builtin_double
;
1014 struct type
*builtin_long_double
;
1015 struct type
*builtin_complex
;
1016 struct type
*builtin_double_complex
;
1017 struct type
*builtin_string
;
1018 struct type
*builtin_bool
;
1019 struct type
*builtin_long_long
;
1020 struct type
*builtin_unsigned_long_long
;
1023 /* Return the type table for the specified architecture. */
1024 extern const struct builtin_type
*builtin_type (struct gdbarch
*gdbarch
);
1026 /* Implicit sizes */
1027 extern struct type
*builtin_type_void
;
1028 extern struct type
*builtin_type_char
;
1029 extern struct type
*builtin_type_short
;
1030 extern struct type
*builtin_type_int
;
1031 extern struct type
*builtin_type_long
;
1032 extern struct type
*builtin_type_signed_char
;
1033 extern struct type
*builtin_type_unsigned_char
;
1034 extern struct type
*builtin_type_unsigned_short
;
1035 extern struct type
*builtin_type_unsigned_int
;
1036 extern struct type
*builtin_type_unsigned_long
;
1037 extern struct type
*builtin_type_float
;
1038 extern struct type
*builtin_type_double
;
1039 extern struct type
*builtin_type_long_double
;
1040 extern struct type
*builtin_type_complex
;
1041 extern struct type
*builtin_type_double_complex
;
1042 extern struct type
*builtin_type_string
;
1043 extern struct type
*builtin_type_bool
;
1045 /* Address/pointer types: */
1046 /* (C) Language `pointer to data' type. Some target platforms use an
1047 implicitly {sign,zero} -extended 32 bit C language pointer on a 64
1049 extern struct type
*builtin_type_void_data_ptr
;
1051 /* (C) Language `pointer to function returning void' type. Since
1052 ANSI, C standards have explicitly said that pointers to functions
1053 and pointers to data are not interconvertible --- that is, you
1054 can't cast a function pointer to void * and back, and expect to get
1055 the same value. However, all function pointer types are
1056 interconvertible, so void (*) () can server as a generic function
1058 extern struct type
*builtin_type_void_func_ptr
;
1060 /* The target CPU's address type. This is the ISA address size. */
1061 extern struct type
*builtin_type_CORE_ADDR
;
1062 /* The symbol table address type. Some object file formats have a 32
1063 bit address type even though the TARGET has a 64 bit pointer type
1065 extern struct type
*builtin_type_bfd_vma
;
1067 /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
1068 is for when an architecture needs to describe a register that has
1070 extern struct type
*builtin_type_int0
;
1071 extern struct type
*builtin_type_int8
;
1072 extern struct type
*builtin_type_uint8
;
1073 extern struct type
*builtin_type_int16
;
1074 extern struct type
*builtin_type_uint16
;
1075 extern struct type
*builtin_type_int32
;
1076 extern struct type
*builtin_type_uint32
;
1077 extern struct type
*builtin_type_int64
;
1078 extern struct type
*builtin_type_uint64
;
1079 extern struct type
*builtin_type_int128
;
1080 extern struct type
*builtin_type_uint128
;
1082 /* SIMD types. We inherit these names from GCC. */
1083 extern struct type
*builtin_type_v4sf
;
1084 extern struct type
*builtin_type_v4si
;
1085 extern struct type
*builtin_type_v16qi
;
1086 extern struct type
*builtin_type_v8qi
;
1087 extern struct type
*builtin_type_v8hi
;
1088 extern struct type
*builtin_type_v4hi
;
1089 extern struct type
*builtin_type_v2si
;
1091 /* Types for 64 bit vectors. */
1092 extern struct type
*builtin_type_v2_float
;
1093 extern struct type
*builtin_type_v2_int32
;
1094 extern struct type
*builtin_type_v4_int16
;
1095 extern struct type
*builtin_type_v8_int8
;
1096 extern struct type
*builtin_type_vec64
;
1098 /* Types for 128 bit vectors. */
1099 extern struct type
*builtin_type_v2_double
;
1100 extern struct type
*builtin_type_v4_float
;
1101 extern struct type
*builtin_type_v2_int64
;
1102 extern struct type
*builtin_type_v4_int32
;
1103 extern struct type
*builtin_type_v8_int16
;
1104 extern struct type
*builtin_type_v16_int8
;
1105 extern struct type
*builtin_type_vec128
;
1107 /* Explicit floating-point formats. See "floatformat.h". */
1108 extern struct type
*builtin_type_ieee_single
[BFD_ENDIAN_UNKNOWN
];
1109 extern struct type
*builtin_type_ieee_single_big
;
1110 extern struct type
*builtin_type_ieee_single_little
;
1111 extern struct type
*builtin_type_ieee_double
[BFD_ENDIAN_UNKNOWN
];
1112 extern struct type
*builtin_type_ieee_double_big
;
1113 extern struct type
*builtin_type_ieee_double_little
;
1114 extern struct type
*builtin_type_ieee_double_littlebyte_bigword
;
1115 extern struct type
*builtin_type_i387_ext
;
1116 extern struct type
*builtin_type_m68881_ext
;
1117 extern struct type
*builtin_type_i960_ext
;
1118 extern struct type
*builtin_type_m88110_ext
;
1119 extern struct type
*builtin_type_m88110_harris_ext
;
1120 extern struct type
*builtin_type_arm_ext
[BFD_ENDIAN_UNKNOWN
];
1121 extern struct type
*builtin_type_arm_ext_big
;
1122 extern struct type
*builtin_type_arm_ext_littlebyte_bigword
;
1123 extern struct type
*builtin_type_ia64_spill
[BFD_ENDIAN_UNKNOWN
];
1124 extern struct type
*builtin_type_ia64_spill_big
;
1125 extern struct type
*builtin_type_ia64_spill_little
;
1126 extern struct type
*builtin_type_ia64_quad
[BFD_ENDIAN_UNKNOWN
];
1127 extern struct type
*builtin_type_ia64_quad_big
;
1128 extern struct type
*builtin_type_ia64_quad_little
;
1130 /* We use this for the '/c' print format, because builtin_type_char is
1131 just a one-byte integral type, which languages less laid back than
1132 C will print as ... well, a one-byte integral type. */
1133 extern struct type
*builtin_type_true_char
;
1135 /* This type represents a type that was unrecognized in symbol
1138 extern struct type
*builtin_type_error
;
1140 extern struct type
*builtin_type_long_long
;
1141 extern struct type
*builtin_type_unsigned_long_long
;
1143 /* Modula-2 types */
1145 extern struct type
*builtin_type_m2_char
;
1146 extern struct type
*builtin_type_m2_int
;
1147 extern struct type
*builtin_type_m2_card
;
1148 extern struct type
*builtin_type_m2_real
;
1149 extern struct type
*builtin_type_m2_bool
;
1151 /* Fortran (F77) types */
1153 extern struct type
*builtin_type_f_character
;
1154 extern struct type
*builtin_type_f_integer
;
1155 extern struct type
*builtin_type_f_integer_s2
;
1156 extern struct type
*builtin_type_f_logical
;
1157 extern struct type
*builtin_type_f_logical_s1
;
1158 extern struct type
*builtin_type_f_logical_s2
;
1159 extern struct type
*builtin_type_f_real
;
1160 extern struct type
*builtin_type_f_real_s8
;
1161 extern struct type
*builtin_type_f_real_s16
;
1162 extern struct type
*builtin_type_f_complex_s8
;
1163 extern struct type
*builtin_type_f_complex_s16
;
1164 extern struct type
*builtin_type_f_complex_s32
;
1165 extern struct type
*builtin_type_f_void
;
1168 /* extern struct type *builtin_type_cxx_typeinfo; */
1170 /* Maximum and minimum values of built-in types */
1172 #define MAX_OF_TYPE(t) \
1173 (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
1174 : MAX_OF_SIZE(TYPE_LENGTH(t)))
1176 #define MIN_OF_TYPE(t) \
1177 (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
1178 : MIN_OF_SIZE(TYPE_LENGTH(t)))
1180 /* Allocate space for storing data associated with a particular type.
1181 We ensure that the space is allocated using the same mechanism that
1182 was used to allocate the space for the type structure itself. I.E.
1183 if the type is on an objfile's objfile_obstack, then the space for data
1184 associated with that type will also be allocated on the objfile_obstack.
1185 If the type is not associated with any particular objfile (such as
1186 builtin types), then the data space will be allocated with xmalloc,
1187 the same as for the type structure. */
1189 #define TYPE_ALLOC(t,size) \
1190 (TYPE_OBJFILE (t) != NULL \
1191 ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
1194 #define TYPE_ZALLOC(t,size) \
1195 (TYPE_OBJFILE (t) != NULL \
1196 ? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
1200 extern struct type
*alloc_type (struct objfile
*);
1202 extern struct type
*init_type (enum type_code
, int, int, char *,
1205 /* Helper functions to construct a struct or record type. An
1206 initially empty type is created using init_composite_type().
1207 Fields are then added using append_struct_type_field(). A union
1208 type has its size set to the largest field. A struct type has each
1209 field packed against the previous. */
1211 extern struct type
*init_composite_type (char *name
, enum type_code code
);
1212 extern void append_composite_type_field (struct type
*t
, char *name
,
1213 struct type
*field
);
1215 /* Helper functions to construct a bit flags type. An initially empty
1216 type is created using init_flag_type(). Flags are then added using
1217 append_flag_type_flag(). */
1218 extern struct type
*init_flags_type (char *name
, int length
);
1219 extern void append_flags_type_flag (struct type
*type
, int bitpos
, char *name
);
1221 extern struct type
*lookup_reference_type (struct type
*);
1223 extern struct type
*make_reference_type (struct type
*, struct type
**);
1225 extern struct type
*make_cv_type (int, int, struct type
*, struct type
**);
1227 extern void replace_type (struct type
*, struct type
*);
1229 extern int address_space_name_to_int (char *);
1231 extern const char *address_space_int_to_name (int);
1233 extern struct type
*make_type_with_address_space (struct type
*type
,
1234 int space_identifier
);
1236 extern struct type
*lookup_memberptr_type (struct type
*, struct type
*);
1238 extern struct type
*lookup_methodptr_type (struct type
*);
1240 extern void smash_to_method_type (struct type
*type
, struct type
*domain
,
1241 struct type
*to_type
, struct field
*args
,
1242 int nargs
, int varargs
);
1244 extern void smash_to_memberptr_type (struct type
*, struct type
*,
1247 extern struct type
*allocate_stub_method (struct type
*);
1249 extern char *type_name_no_tag (const struct type
*);
1251 extern struct type
*lookup_struct_elt_type (struct type
*, char *, int);
1253 extern struct type
*make_pointer_type (struct type
*, struct type
**);
1255 extern struct type
*lookup_pointer_type (struct type
*);
1257 extern struct type
*make_function_type (struct type
*, struct type
**);
1259 extern struct type
*lookup_function_type (struct type
*);
1261 extern struct type
*create_range_type (struct type
*, struct type
*, int,
1264 extern struct type
*create_array_type (struct type
*, struct type
*,
1267 extern struct type
*create_string_type (struct type
*, struct type
*);
1269 extern struct type
*create_set_type (struct type
*, struct type
*);
1271 extern struct type
*lookup_unsigned_typename (char *);
1273 extern struct type
*lookup_signed_typename (char *);
1275 extern struct type
*check_typedef (struct type
*);
1277 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
1279 extern void check_stub_method_group (struct type
*, int);
1281 extern char *gdb_mangle_name (struct type
*, int, int);
1283 extern struct type
*lookup_typename (char *, struct block
*, int);
1285 extern struct type
*lookup_template_type (char *, struct type
*,
1288 extern struct type
*lookup_fundamental_type (struct objfile
*, int);
1290 extern void fill_in_vptr_fieldno (struct type
*);
1292 extern int get_destructor_fn_field (struct type
*, int *, int *);
1294 extern int get_discrete_bounds (struct type
*, LONGEST
*, LONGEST
*);
1296 extern int is_ancestor (struct type
*, struct type
*);
1298 extern int has_vtable (struct type
*);
1300 extern struct type
*primary_base_class (struct type
*);
1302 extern struct type
**virtual_base_list (struct type
*);
1304 extern int virtual_base_list_length (struct type
*);
1305 extern int virtual_base_list_length_skip_primaries (struct type
*);
1307 extern int virtual_base_index (struct type
*, struct type
*);
1308 extern int virtual_base_index_skip_primaries (struct type
*, struct type
*);
1311 extern int class_index_in_primary_list (struct type
*);
1313 extern int count_virtual_fns (struct type
*);
1315 /* Constants for HP/Taligent ANSI C++ runtime model */
1317 /* Where virtual function entries begin in the
1318 * virtual table, in the non-RRBC vtable format.
1319 * First 4 are the metavtable pointer, top offset,
1320 * typeinfo pointer, and dup base info pointer */
1321 #define HP_ACC_VFUNC_START 4
1323 /* (Negative) Offset where virtual base offset entries begin
1324 * in the virtual table. Skips over metavtable pointer and
1325 * the self-offset entry.
1326 * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
1327 * appear before the address point of the vtable (the slot
1328 * pointed to by the object's vtable pointer), i.e. at lower
1329 * addresses than the vtable pointer. */
1330 #define HP_ACC_VBASE_START 2
1332 /* (Positive) Offset where the pointer to the typeinfo
1333 * object is present in the virtual table */
1334 #define HP_ACC_TYPEINFO_OFFSET 2
1336 /* (Positive) Offset where the ``top offset'' entry of
1337 * the virtual table is */
1338 #define HP_ACC_TOP_OFFSET_OFFSET 1
1340 /* Overload resolution */
1342 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1344 /* Badness if parameter list length doesn't match arg list length */
1345 #define LENGTH_MISMATCH_BADNESS 100
1346 /* Dummy badness value for nonexistent parameter positions */
1347 #define TOO_FEW_PARAMS_BADNESS 100
1348 /* Badness if no conversion among types */
1349 #define INCOMPATIBLE_TYPE_BADNESS 100
1351 /* Badness of integral promotion */
1352 #define INTEGER_PROMOTION_BADNESS 1
1353 /* Badness of floating promotion */
1354 #define FLOAT_PROMOTION_BADNESS 1
1355 /* Badness of integral conversion */
1356 #define INTEGER_CONVERSION_BADNESS 2
1357 /* Badness of floating conversion */
1358 #define FLOAT_CONVERSION_BADNESS 2
1359 /* Badness of integer<->floating conversions */
1360 #define INT_FLOAT_CONVERSION_BADNESS 2
1361 /* Badness of converting to a boolean */
1362 #define BOOLEAN_CONVERSION_BADNESS 2
1363 /* Badness of pointer conversion */
1364 #define POINTER_CONVERSION_BADNESS 2
1365 /* Badness of conversion of pointer to void pointer */
1366 #define VOID_PTR_CONVERSION_BADNESS 2
1367 /* Badness of converting derived to base class */
1368 #define BASE_CONVERSION_BADNESS 2
1369 /* Badness of converting from non-reference to reference */
1370 #define REFERENCE_CONVERSION_BADNESS 2
1372 /* Non-standard conversions allowed by the debugger */
1373 /* Converting a pointer to an int is usually OK */
1374 #define NS_POINTER_CONVERSION_BADNESS 10
1377 extern int compare_badness (struct badness_vector
*, struct badness_vector
*);
1379 extern struct badness_vector
*rank_function (struct type
**, int,
1380 struct type
**, int);
1382 extern int rank_one_type (struct type
*, struct type
*);
1384 extern void recursive_dump_type (struct type
*, int);
1388 extern void print_scalar_formatted (const void *, struct type
*, int, int,
1391 extern int can_dereference (struct type
*);
1393 extern int is_integral_type (struct type
*);
1395 extern void maintenance_print_type (char *, int);
1397 extern htab_t
create_copied_types_hash (struct objfile
*objfile
);
1399 extern struct type
*copy_type_recursive (struct objfile
*objfile
,
1401 htab_t copied_types
);
1403 #endif /* GDBTYPES_H */