1 /* Internal type definitions for GDB.
3 Copyright 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
6 Contributed by Cygnus Support, using pieces from other GDB modules.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 59 Temple Place - Suite 330,
23 Boston, MA 02111-1307, USA. */
25 #if !defined (GDBTYPES_H)
28 /* Forward declarations for prototypes. */
32 /* Codes for `fundamental types'. This is a monstrosity based on the
33 bogus notion that there are certain compiler-independent
34 `fundamental types'. None of these is well-defined (how big is
35 FT_SHORT? Does it depend on the language? How does the
36 language-specific code know which type to correlate to FT_SHORT?) */
40 #define FT_CHAR 2 /* we use this for not-unsigned C/C++ chars */
41 #define FT_SIGNED_CHAR 3 /* we use this for C++ signed chars */
42 #define FT_UNSIGNED_CHAR 4 /* we use this for C/C++ unsigned chars */
44 #define FT_SIGNED_SHORT 6
45 #define FT_UNSIGNED_SHORT 7
47 #define FT_SIGNED_INTEGER 9
48 #define FT_UNSIGNED_INTEGER 10
50 #define FT_SIGNED_LONG 12
51 #define FT_UNSIGNED_LONG 13
52 #define FT_LONG_LONG 14
53 #define FT_SIGNED_LONG_LONG 15
54 #define FT_UNSIGNED_LONG_LONG 16
56 #define FT_DBL_PREC_FLOAT 18
57 #define FT_EXT_PREC_FLOAT 19
59 #define FT_DBL_PREC_COMPLEX 21
60 #define FT_EXT_PREC_COMPLEX 22
62 #define FT_FIXED_DECIMAL 24
63 #define FT_FLOAT_DECIMAL 25
65 #define FT_UNSIGNED_BYTE 27
66 #define FT_TEMPLATE_ARG 28
68 #define FT_NUM_MEMBERS 29 /* Highest FT_* above, plus one. */
70 /* Some macros for char-based bitfields. */
72 #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
73 #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
74 #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
75 #define B_TYPE unsigned char
76 #define B_BYTES(x) ( 1 + ((x)>>3) )
77 #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
79 /* Different kinds of data types are distinguished by the `code' field. */
83 TYPE_CODE_UNDEF, /* Not used; catches errors */
84 TYPE_CODE_PTR, /* Pointer type */
86 /* Array type with lower & upper bounds.
88 Regardless of the language, GDB represents multidimensional
89 array types the way C does: as arrays of arrays. So an
90 instance of a GDB array type T can always be seen as a series
91 of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
94 Row-major languages like C lay out multi-dimensional arrays so
95 that incrementing the rightmost index in a subscripting
96 expression results in the smallest change in the address of the
97 element referred to. Column-major languages like Fortran lay
98 them out so that incrementing the leftmost index results in the
101 This means that, in column-major languages, working our way
102 from type to target type corresponds to working through indices
103 from right to left, not left to right. */
106 TYPE_CODE_STRUCT, /* C struct or Pascal record */
107 TYPE_CODE_UNION, /* C union or Pascal variant part */
108 TYPE_CODE_ENUM, /* Enumeration type */
109 TYPE_CODE_FUNC, /* Function type */
110 TYPE_CODE_INT, /* Integer type */
112 /* Floating type. This is *NOT* a complex type. Beware, there are parts
113 of GDB which bogusly assume that TYPE_CODE_FLT can mean complex. */
116 /* Void type. The length field specifies the length (probably always
117 one) which is used in pointer arithmetic involving pointers to
118 this type, but actually dereferencing such a pointer is invalid;
119 a void type has no length and no actual representation in memory
120 or registers. A pointer to a void type is a generic pointer. */
123 TYPE_CODE_SET, /* Pascal sets */
124 TYPE_CODE_RANGE, /* Range (integers within spec'd bounds) */
126 /* A string type which is like an array of character but prints
127 differently (at least for (the deleted) CHILL). It does not
128 contain a length field as Pascal strings (for many Pascals,
129 anyway) do; if we want to deal with such strings, we should use
133 /* String of bits; like TYPE_CODE_SET but prints differently (at
134 least for (the deleted) CHILL). */
137 /* Unknown type. The length field is valid if we were able to
138 deduce that much about the type, or 0 if we don't even know that. */
142 TYPE_CODE_MEMBER, /* Member type */
143 TYPE_CODE_METHOD, /* Method type */
144 TYPE_CODE_REF, /* C++ Reference types */
146 TYPE_CODE_CHAR, /* *real* character type */
148 /* Boolean type. 0 is false, 1 is true, and other values are non-boolean
149 (e.g. FORTRAN "logical" used as unsigned int). */
153 TYPE_CODE_COMPLEX, /* Complex float */
156 TYPE_CODE_TEMPLATE, /* C++ template */
157 TYPE_CODE_TEMPLATE_ARG, /* C++ template arg */
159 TYPE_CODE_NAMESPACE /* C++ namespace. */
162 /* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
163 alias for TYPE_CODE_STRUCT. This is for DWARF, which has a distinct
164 "class" attribute. Perhaps we should actually have a separate TYPE_CODE
165 so that we can print "class" or "struct" depending on what the debug
166 info said. It's not clear we should bother. */
168 #define TYPE_CODE_CLASS TYPE_CODE_STRUCT
170 /* Some bits for the type's flags word, and macros to test them. */
172 /* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
173 type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
175 #define TYPE_FLAG_UNSIGNED (1 << 0)
176 #define TYPE_UNSIGNED(t) (TYPE_FLAGS (t) & TYPE_FLAG_UNSIGNED)
178 /* No sign for this type. In C++, "char", "signed char", and "unsigned
179 char" are distinct types; so we need an extra flag to indicate the
180 absence of a sign! */
182 #define TYPE_FLAG_NOSIGN (1 << 1)
183 #define TYPE_NOSIGN(t) (TYPE_FLAGS (t) & TYPE_FLAG_NOSIGN)
185 /* This appears in a type's flags word if it is a stub type (e.g., if
186 someone referenced a type that wasn't defined in a source file
187 via (struct sir_not_appearing_in_this_film *)). */
189 #define TYPE_FLAG_STUB (1 << 2)
190 #define TYPE_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_STUB)
192 /* The target type of this type is a stub type, and this type needs to
193 be updated if it gets un-stubbed in check_typedef.
194 Used for arrays and ranges, in which TYPE_LENGTH of the array/range
195 gets set based on the TYPE_LENGTH of the target type.
196 Also, set for TYPE_CODE_TYPEDEF. */
198 #define TYPE_FLAG_TARGET_STUB (1 << 3)
199 #define TYPE_TARGET_STUB(t) (TYPE_FLAGS (t) & TYPE_FLAG_TARGET_STUB)
201 /* Static type. If this is set, the corresponding type had
203 * Note: This may be unnecessary, since static data members
204 * are indicated by other means (bitpos == -1)
207 #define TYPE_FLAG_STATIC (1 << 4)
208 #define TYPE_STATIC(t) (TYPE_FLAGS (t) & TYPE_FLAG_STATIC)
210 /* Constant type. If this is set, the corresponding type has a
214 #define TYPE_FLAG_CONST (1 << 5)
215 #define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CONST)
217 /* Volatile type. If this is set, the corresponding type has a
221 #define TYPE_FLAG_VOLATILE (1 << 6)
222 #define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_VOLATILE)
225 /* This is a function type which appears to have a prototype. We need this
226 for function calls in order to tell us if it's necessary to coerce the args,
227 or to just do the standard conversions. This is used with a short field. */
229 #define TYPE_FLAG_PROTOTYPED (1 << 7)
230 #define TYPE_PROTOTYPED(t) (TYPE_FLAGS (t) & TYPE_FLAG_PROTOTYPED)
232 /* This flag is used to indicate that processing for this type
235 (Mostly intended for HP platforms, where class methods, for
236 instance, can be encountered before their classes in the debug
237 info; the incomplete type has to be marked so that the class and
238 the method can be assigned correct types.) */
240 #define TYPE_FLAG_INCOMPLETE (1 << 8)
241 #define TYPE_INCOMPLETE(t) (TYPE_FLAGS (t) & TYPE_FLAG_INCOMPLETE)
243 /* Instruction-space delimited type. This is for Harvard architectures
244 which have separate instruction and data address spaces (and perhaps
247 GDB usually defines a flat address space that is a superset of the
248 architecture's two (or more) address spaces, but this is an extension
249 of the architecture's model.
251 If TYPE_FLAG_INST is set, an object of the corresponding type
252 resides in instruction memory, even if its address (in the extended
253 flat address space) does not reflect this.
255 Similarly, if TYPE_FLAG_DATA is set, then an object of the
256 corresponding type resides in the data memory space, even if
257 this is not indicated by its (flat address space) address.
259 If neither flag is set, the default space for functions / methods
260 is instruction space, and for data objects is data memory. */
262 #define TYPE_FLAG_CODE_SPACE (1 << 9)
263 #define TYPE_CODE_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_CODE_SPACE)
265 #define TYPE_FLAG_DATA_SPACE (1 << 10)
266 #define TYPE_DATA_SPACE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_FLAG_DATA_SPACE)
268 /* FIXME drow/2002-06-03: Only used for methods, but applies as well
271 #define TYPE_FLAG_VARARGS (1 << 11)
272 #define TYPE_VARARGS(t) (TYPE_FLAGS (t) & TYPE_FLAG_VARARGS)
274 /* Identify a vector type. Gcc is handling this by adding an extra
275 attribute to the array type. We slurp that in as a new flag of a
276 type. This is used only in dwarf2read.c. */
277 #define TYPE_FLAG_VECTOR (1 << 12)
278 #define TYPE_VECTOR(t) (TYPE_FLAGS (t) & TYPE_FLAG_VECTOR)
280 /* Address class flags. Some environments provide for pointers whose
281 size is different from that of a normal pointer or address types
282 where the bits are interpreted differently than normal addresses. The
283 TYPE_FLAG_ADDRESS_CLASS_n flags may be used in target specific
284 ways to represent these different types of address classes. */
285 #define TYPE_FLAG_ADDRESS_CLASS_1 (1 << 13)
286 #define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
287 & TYPE_FLAG_ADDRESS_CLASS_1)
288 #define TYPE_FLAG_ADDRESS_CLASS_2 (1 << 14)
289 #define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
290 & TYPE_FLAG_ADDRESS_CLASS_2)
291 #define TYPE_FLAG_ADDRESS_CLASS_ALL (TYPE_FLAG_ADDRESS_CLASS_1 \
292 | TYPE_FLAG_ADDRESS_CLASS_2)
293 #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
294 & TYPE_FLAG_ADDRESS_CLASS_ALL)
296 /* The debugging formats (especially STABS) do not contain enough information
297 to represent all Ada types---especially those whose size depends on
298 dynamic quantities. Therefore, the GNAT Ada compiler includes
299 extra information in the form of additional type definitions
300 connected by naming conventions. This flag indicates that the
301 type is an ordinary (unencoded) GDB type that has been created from
302 the necessary run-time information, and does not need further
303 interpretation. Optionally marks ordinary, fixed-size GDB type. */
305 #define TYPE_FLAG_FIXED_INSTANCE (1 << 15)
307 /* Array bound type. */
308 enum array_bound_type
311 BOUND_BY_VALUE_IN_REG,
313 BOUND_BY_VALUE_ON_STACK,
314 BOUND_BY_REF_ON_STACK,
315 BOUND_CANNOT_BE_DETERMINED
318 /* This structure is space-critical.
319 Its layout has been tweaked to reduce the space used. */
323 /* Code for kind of type */
325 ENUM_BITFIELD(type_code) code : 8;
327 /* Array bounds. These fields appear at this location because
328 they pack nicely here. */
330 ENUM_BITFIELD(array_bound_type) upper_bound_type : 4;
331 ENUM_BITFIELD(array_bound_type) lower_bound_type : 4;
333 /* Name of this type, or NULL if none.
335 This is used for printing only, except by poorly designed C++ code.
336 For looking up a name, look for a symbol in the VAR_DOMAIN. */
340 /* Tag name for this type, or NULL if none. This means that the
341 name of the type consists of a keyword followed by the tag name.
342 Which keyword is determined by the type code ("struct" for
343 TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only languages
346 This is used for printing only, except by poorly designed C++ code.
347 For looking up a name, look for a symbol in the STRUCT_DOMAIN.
348 One more legitimate use is that if TYPE_FLAG_STUB is set, this is
349 the name to use to look for definitions in other files. */
353 /* Every type is now associated with a particular objfile, and the
354 type is allocated on the objfile_obstack for that objfile. One problem
355 however, is that there are times when gdb allocates new types while
356 it is not in the process of reading symbols from a particular objfile.
357 Fortunately, these happen when the type being created is a derived
358 type of an existing type, such as in lookup_pointer_type(). So
359 we can just allocate the new type using the same objfile as the
360 existing type, but to do this we need a backpointer to the objfile
361 from the existing type. Yes this is somewhat ugly, but without
362 major overhaul of the internal type system, it can't be avoided
365 struct objfile *objfile;
367 /* For a pointer type, describes the type of object pointed to.
368 For an array type, describes the type of the elements.
369 For a function or method type, describes the type of the return value.
370 For a range type, describes the type of the full range.
371 For a complex type, describes the type of each coordinate.
374 struct type *target_type;
376 /* Flags about this type. */
380 /* Number of fields described for this type */
384 /* Field number of the virtual function table pointer in
385 VPTR_BASETYPE. If -1, we were unable to find the virtual
386 function table pointer in initial symbol reading, and
387 fill_in_vptr_fieldno should be called to find it if possible.
389 Unused if this type does not have virtual functions. */
393 /* For structure and union types, a description of each field.
394 For set and pascal array types, there is one "field",
395 whose type is the domain type of the set or array.
396 For range types, there are two "fields",
397 the minimum and maximum values (both inclusive).
398 For enum types, each possible value is described by one "field".
399 For a function or method type, a "field" for each parameter.
400 For C++ classes, there is one field for each base class (if it is
401 a derived class) plus one field for each class data member. Member
402 functions are recorded elsewhere.
404 Using a pointer to a separate array of fields
405 allows all types to have the same size, which is useful
406 because we can allocate the space for a type before
407 we know what to put in it. */
413 /* Position of this field, counting in bits from start of
414 containing structure.
415 For BITS_BIG_ENDIAN=1 targets, it is the bit offset to the MSB.
416 For BITS_BIG_ENDIAN=0 targets, it is the bit offset to the LSB.
417 For a range bound or enum value, this is the value itself. */
421 /* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
422 is the location (in the target) of the static field.
423 Otherwise, physname is the mangled label of the static field. */
430 /* For a function or member type, this is 1 if the argument is marked
431 artificial. Artificial arguments should not be shown to the
433 unsigned int artificial : 1;
435 /* This flag is zero for non-static fields, 1 for fields whose location
436 is specified by the label loc.physname, and 2 for fields whose location
437 is specified by loc.physaddr. */
439 unsigned int static_kind : 2;
441 /* Size of this field, in bits, or zero if not packed.
442 For an unpacked field, the field's type's length
443 says how many bytes the field occupies. */
445 unsigned int bitsize : 29;
447 /* In a struct or union type, type of this field.
448 In a function or member type, type of this argument.
449 In an array type, the domain-type of the array. */
453 /* Name of field, value or argument.
454 NULL for range bounds, array domains, and member function
461 /* For types with virtual functions (TYPE_CODE_STRUCT), VPTR_BASETYPE
462 is the base class which defined the virtual function table pointer.
464 For types that are pointer to member types (TYPE_CODE_MEMBER),
465 VPTR_BASETYPE is the type that this pointer is a member of.
467 For method types (TYPE_CODE_METHOD), VPTR_BASETYPE is the aggregate
468 type that contains the method.
472 struct type *vptr_basetype;
474 /* Slot to point to additional language-specific fields of this type. */
478 /* CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to point to
479 cplus_struct_default, a default static instance of a struct
480 cplus_struct_type. */
482 struct cplus_struct_type *cplus_stuff;
484 /* FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to the
485 floatformat object that describes the floating-point value
486 that resides within the type. */
488 const struct floatformat *floatformat;
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 /* The following points to information relevant to the runtime model
730 * Currently being used only for HP's ANSI C++ compiler.
731 * (This type may have to be changed/enhanced for other compilers.)
733 * RUNTIME_PTR is NULL if there is no runtime information (currently
734 * this means the type was not compiled by HP aCC).
736 * Fields in structure pointed to:
737 * ->HAS_VTABLE : 0 => no virtual table, 1 => vtable present
739 * ->PRIMARY_BASE points to the first non-virtual base class that has
742 * ->VIRTUAL_BASE_LIST points to a list of struct type * pointers that
743 * point to the type information for all virtual bases among this type's
749 struct type *primary_base;
750 struct type **virtual_base_list;
754 /* Pointer to information about enclosing scope, if this is a
755 * local type. If it is not a local type, this is NULL
757 struct local_type_info
765 /* Struct used in computing virtual base list */
768 struct type *vbasetype; /* pointer to virtual base */
769 struct vbase *next; /* next in chain */
772 /* Struct used for ranking a function for overload resolution */
773 struct badness_vector
779 /* The default value of TYPE_CPLUS_SPECIFIC(T) points to the
780 this shared static structure. */
782 extern const struct cplus_struct_type cplus_struct_default;
784 extern void allocate_cplus_struct_type (struct type *);
786 #define INIT_CPLUS_SPECIFIC(type) \
787 (TYPE_CPLUS_SPECIFIC(type)=(struct cplus_struct_type*)&cplus_struct_default)
788 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
789 #define HAVE_CPLUS_STRUCT(type) \
790 (TYPE_CPLUS_SPECIFIC(type) != &cplus_struct_default)
792 #define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
793 #define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
794 #define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
795 #define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name
796 #define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type
797 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
798 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
799 #define TYPE_CHAIN(thistype) (thistype)->chain
800 /* Note that if thistype is a TYPEDEF type, you have to call check_typedef.
801 But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
802 so you only have to call check_typedef once. Since allocate_value
803 calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
804 #define TYPE_LENGTH(thistype) (thistype)->length
805 #define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile
806 #define TYPE_FLAGS(thistype) TYPE_MAIN_TYPE(thistype)->flags
807 /* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real
808 type, you need to do TYPE_CODE (check_type (this_type)). */
809 #define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code
810 #define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields
811 #define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->fields
812 #define TYPE_TEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->template_args
813 #define TYPE_INSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->instantiations
815 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
816 #define TYPE_LOW_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 0)
817 #define TYPE_HIGH_BOUND(range_type) TYPE_FIELD_BITPOS (range_type, 1)
819 /* Moto-specific stuff for FORTRAN arrays */
821 #define TYPE_ARRAY_UPPER_BOUND_TYPE(thistype) \
822 TYPE_MAIN_TYPE(thistype)->upper_bound_type
823 #define TYPE_ARRAY_LOWER_BOUND_TYPE(thistype) \
824 TYPE_MAIN_TYPE(thistype)->lower_bound_type
826 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
827 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
829 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
830 (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
834 #define TYPE_VPTR_BASETYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
835 #define TYPE_DOMAIN_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->vptr_basetype
836 #define TYPE_VPTR_FIELDNO(thistype) TYPE_MAIN_TYPE(thistype)->vptr_fieldno
837 #define TYPE_FN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fields
838 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
839 #define TYPE_NFN_FIELDS_TOTAL(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields_total
840 #define TYPE_NTEMPLATE_ARGS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ntemplate_args
841 #define TYPE_NINSTANTIATIONS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->ninstantiations
842 #define TYPE_DECLARED_TYPE(thistype) TYPE_CPLUS_SPECIFIC(thistype)->declared_type
843 #define TYPE_TYPE_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific
844 #define TYPE_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
845 #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
846 #define TYPE_BASECLASS(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].type
847 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
848 #define TYPE_BASECLASS_NAME(thistype,index) TYPE_MAIN_TYPE(thistype)->fields[index].name
849 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
850 #define BASETYPE_VIA_PUBLIC(thistype, index) \
851 ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
853 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
854 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
855 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
857 #define FIELD_TYPE(thisfld) ((thisfld).type)
858 #define FIELD_NAME(thisfld) ((thisfld).name)
859 #define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
860 #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
861 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
862 #define FIELD_STATIC_KIND(thisfld) ((thisfld).static_kind)
863 #define FIELD_PHYSNAME(thisfld) ((thisfld).loc.physname)
864 #define FIELD_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
865 #define SET_FIELD_PHYSNAME(thisfld, name) \
866 ((thisfld).static_kind = 1, FIELD_PHYSNAME(thisfld) = (name))
867 #define SET_FIELD_PHYSADDR(thisfld, name) \
868 ((thisfld).static_kind = 2, FIELD_PHYSADDR(thisfld) = (name))
869 #define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->fields[n]
870 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
871 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
872 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS(TYPE_FIELD(thistype,n))
873 #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
874 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
875 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
876 #define TYPE_TEMPLATE_ARG(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->template_args[n]
877 #define TYPE_INSTANTIATION(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->instantiations[n]
879 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
880 TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
881 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
882 TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
883 #define TYPE_FIELD_IGNORE_BITS(thistype) \
884 TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
885 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
886 TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
887 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
888 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
889 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
890 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
891 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
892 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
893 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
894 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
895 #define TYPE_FIELD_PRIVATE(thistype, n) \
896 (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
897 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
898 #define TYPE_FIELD_PROTECTED(thistype, n) \
899 (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
900 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
901 #define TYPE_FIELD_IGNORE(thistype, n) \
902 (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
903 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
904 #define TYPE_FIELD_VIRTUAL(thistype, n) \
905 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
906 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
908 #define TYPE_FIELD_STATIC(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind != 0)
909 #define TYPE_FIELD_STATIC_KIND(thistype, n) TYPE_MAIN_TYPE (thistype)->fields[n].static_kind
910 #define TYPE_FIELD_STATIC_HAS_ADDR(thistype, n) (TYPE_MAIN_TYPE (thistype)->fields[n].static_kind == 2)
911 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_PHYSNAME(TYPE_FIELD(thistype, n))
912 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_PHYSADDR(TYPE_FIELD(thistype, n))
914 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
915 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
916 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
917 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
918 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
920 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
921 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
922 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
923 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type)
924 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
925 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
926 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
927 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
928 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
929 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
930 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
931 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
932 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
933 #define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
934 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
935 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
936 #define TYPE_FN_FIELD_INLINED(thisfn, n) ((thisfn)[n].is_inlined)
937 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
938 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
939 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
940 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
942 #define TYPE_RUNTIME_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->runtime_ptr)
943 #define TYPE_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype)->has_vtable)
944 #define TYPE_HAS_VTABLE(thistype) (TYPE_RUNTIME_PTR(thistype) && TYPE_VTABLE(thistype))
945 #define TYPE_PRIMARY_BASE(thistype) (TYPE_RUNTIME_PTR(thistype)->primary_base)
946 #define TYPE_VIRTUAL_BASE_LIST(thistype) (TYPE_RUNTIME_PTR(thistype)->virtual_base_list)
948 #define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
949 #define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
950 #define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
952 #define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \
953 (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \
954 (TYPE_NFIELDS (thistype) == 0) && \
955 (TYPE_CPLUS_SPECIFIC (thistype) && (TYPE_NFN_FIELDS (thistype) == 0)))
959 /* Address/pointer types. */
961 /* `pointer to data' type. Some target platforms use an implicitly
962 {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */
963 struct type *builtin_data_ptr;
965 /* `pointer to function (returning void)' type. Harvard
966 architectures mean that ABI function and code pointers are not
967 interconvertible. Similarly, since ANSI, C standards have
968 explicitly said that pointers to functions and pointers to data
969 are not interconvertible --- that is, you can't cast a function
970 pointer to void * and back, and expect to get the same value.
971 However, all function pointer types are interconvertible, so void
972 (*) () can server as a generic function pointer. */
973 struct type *builtin_func_ptr;
975 /* The target CPU's address type. This is the ISA address size. */
976 struct type *builtin_core_addr;
978 /* Integral types. */
980 /* We use this for the '/c' print format, because c_char is just a
981 one-byte integral type, which languages less laid back than C
982 will print as ... well, a one-byte integral type. */
983 struct type *builtin_true_char;
985 /* Implicit size/sign (based on the the architecture's ABI). */
986 struct type *builtin_void;
987 struct type *builtin_char;
988 struct type *builtin_short;
989 struct type *builtin_int;
990 struct type *builtin_long;
991 struct type *builtin_signed_char;
992 struct type *builtin_unsigned_char;
993 struct type *builtin_unsigned_short;
994 struct type *builtin_unsigned_int;
995 struct type *builtin_unsigned_long;
996 struct type *builtin_float;
997 struct type *builtin_double;
998 struct type *builtin_long_double;
999 struct type *builtin_complex;
1000 struct type *builtin_double_complex;
1001 struct type *builtin_string;
1002 struct type *builtin_bool;
1003 struct type *builtin_long_long;
1004 struct type *builtin_unsigned_long_long;
1007 /* Return the type table for the specified architecture. */
1008 extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch);
1010 /* Implicit sizes */
1011 extern struct type *builtin_type_void;
1012 extern struct type *builtin_type_char;
1013 extern struct type *builtin_type_short;
1014 extern struct type *builtin_type_int;
1015 extern struct type *builtin_type_long;
1016 extern struct type *builtin_type_signed_char;
1017 extern struct type *builtin_type_unsigned_char;
1018 extern struct type *builtin_type_unsigned_short;
1019 extern struct type *builtin_type_unsigned_int;
1020 extern struct type *builtin_type_unsigned_long;
1021 extern struct type *builtin_type_float;
1022 extern struct type *builtin_type_double;
1023 extern struct type *builtin_type_long_double;
1024 extern struct type *builtin_type_complex;
1025 extern struct type *builtin_type_double_complex;
1026 extern struct type *builtin_type_string;
1027 extern struct type *builtin_type_bool;
1029 /* Address/pointer types: */
1030 /* (C) Language `pointer to data' type. Some target platforms use an
1031 implicitly {sign,zero} -extended 32 bit C language pointer on a 64
1033 extern struct type *builtin_type_void_data_ptr;
1035 /* (C) Language `pointer to function returning void' type. Since
1036 ANSI, C standards have explicitly said that pointers to functions
1037 and pointers to data are not interconvertible --- that is, you
1038 can't cast a function pointer to void * and back, and expect to get
1039 the same value. However, all function pointer types are
1040 interconvertible, so void (*) () can server as a generic function
1042 extern struct type *builtin_type_void_func_ptr;
1044 /* The target CPU's address type. This is the ISA address size. */
1045 extern struct type *builtin_type_CORE_ADDR;
1046 /* The symbol table address type. Some object file formats have a 32
1047 bit address type even though the TARGET has a 64 bit pointer type
1049 extern struct type *builtin_type_bfd_vma;
1051 /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
1052 is for when an architecture needs to describe a register that has
1054 extern struct type *builtin_type_int0;
1055 extern struct type *builtin_type_int8;
1056 extern struct type *builtin_type_uint8;
1057 extern struct type *builtin_type_int16;
1058 extern struct type *builtin_type_uint16;
1059 extern struct type *builtin_type_int32;
1060 extern struct type *builtin_type_uint32;
1061 extern struct type *builtin_type_int64;
1062 extern struct type *builtin_type_uint64;
1063 extern struct type *builtin_type_int128;
1064 extern struct type *builtin_type_uint128;
1066 /* SIMD types. We inherit these names from GCC. */
1067 extern struct type *builtin_type_v4sf;
1068 extern struct type *builtin_type_v4si;
1069 extern struct type *builtin_type_v16qi;
1070 extern struct type *builtin_type_v8qi;
1071 extern struct type *builtin_type_v8hi;
1072 extern struct type *builtin_type_v4hi;
1073 extern struct type *builtin_type_v2si;
1075 /* Type for 64 bit vectors. */
1076 extern struct type *builtin_type_vec64;
1077 extern struct type *builtin_type_vec64i;
1079 /* Type for 128 bit vectors. */
1080 extern struct type *builtin_type_vec128;
1081 extern struct type *builtin_type_vec128i;
1083 /* Explicit floating-point formats. See "floatformat.h". */
1084 extern struct type *builtin_type_ieee_single[BFD_ENDIAN_UNKNOWN];
1085 extern struct type *builtin_type_ieee_single_big;
1086 extern struct type *builtin_type_ieee_single_little;
1087 extern struct type *builtin_type_ieee_double[BFD_ENDIAN_UNKNOWN];
1088 extern struct type *builtin_type_ieee_double_big;
1089 extern struct type *builtin_type_ieee_double_little;
1090 extern struct type *builtin_type_ieee_double_littlebyte_bigword;
1091 extern struct type *builtin_type_i387_ext;
1092 extern struct type *builtin_type_m68881_ext;
1093 extern struct type *builtin_type_i960_ext;
1094 extern struct type *builtin_type_m88110_ext;
1095 extern struct type *builtin_type_m88110_harris_ext;
1096 extern struct type *builtin_type_arm_ext[BFD_ENDIAN_UNKNOWN];
1097 extern struct type *builtin_type_arm_ext_big;
1098 extern struct type *builtin_type_arm_ext_littlebyte_bigword;
1099 extern struct type *builtin_type_ia64_spill[BFD_ENDIAN_UNKNOWN];
1100 extern struct type *builtin_type_ia64_spill_big;
1101 extern struct type *builtin_type_ia64_spill_little;
1102 extern struct type *builtin_type_ia64_quad[BFD_ENDIAN_UNKNOWN];
1103 extern struct type *builtin_type_ia64_quad_big;
1104 extern struct type *builtin_type_ia64_quad_little;
1106 /* We use this for the '/c' print format, because builtin_type_char is
1107 just a one-byte integral type, which languages less laid back than
1108 C will print as ... well, a one-byte integral type. */
1109 extern struct type *builtin_type_true_char;
1111 /* This type represents a type that was unrecognized in symbol
1114 extern struct type *builtin_type_error;
1116 extern struct type *builtin_type_long_long;
1117 extern struct type *builtin_type_unsigned_long_long;
1119 /* Modula-2 types */
1121 extern struct type *builtin_type_m2_char;
1122 extern struct type *builtin_type_m2_int;
1123 extern struct type *builtin_type_m2_card;
1124 extern struct type *builtin_type_m2_real;
1125 extern struct type *builtin_type_m2_bool;
1127 /* Fortran (F77) types */
1129 extern struct type *builtin_type_f_character;
1130 extern struct type *builtin_type_f_integer;
1131 extern struct type *builtin_type_f_integer_s2;
1132 extern struct type *builtin_type_f_logical;
1133 extern struct type *builtin_type_f_logical_s1;
1134 extern struct type *builtin_type_f_logical_s2;
1135 extern struct type *builtin_type_f_real;
1136 extern struct type *builtin_type_f_real_s8;
1137 extern struct type *builtin_type_f_real_s16;
1138 extern struct type *builtin_type_f_complex_s8;
1139 extern struct type *builtin_type_f_complex_s16;
1140 extern struct type *builtin_type_f_complex_s32;
1141 extern struct type *builtin_type_f_void;
1144 /* extern struct type *builtin_type_cxx_typeinfo; */
1146 /* Maximum and minimum values of built-in types */
1148 #define MAX_OF_TYPE(t) \
1149 (TYPE_UNSIGNED(t) ? UMAX_OF_SIZE(TYPE_LENGTH(t)) \
1150 : MAX_OF_SIZE(TYPE_LENGTH(t)))
1152 #define MIN_OF_TYPE(t) \
1153 (TYPE_UNSIGNED(t) ? UMIN_OF_SIZE(TYPE_LENGTH(t)) \
1154 : MIN_OF_SIZE(TYPE_LENGTH(t)))
1156 /* Allocate space for storing data associated with a particular type.
1157 We ensure that the space is allocated using the same mechanism that
1158 was used to allocate the space for the type structure itself. I.E.
1159 if the type is on an objfile's objfile_obstack, then the space for data
1160 associated with that type will also be allocated on the objfile_obstack.
1161 If the type is not associated with any particular objfile (such as
1162 builtin types), then the data space will be allocated with xmalloc,
1163 the same as for the type structure. */
1165 #define TYPE_ALLOC(t,size) \
1166 (TYPE_OBJFILE (t) != NULL \
1167 ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
1170 extern struct type *alloc_type (struct objfile *);
1172 extern struct type *init_type (enum type_code, int, int, char *,
1175 /* Helper functions to construct a struct or record type. An
1176 initially empty type is created using init_composite_type().
1177 Fields are then added using append_struct_type_field(). A union
1178 type has its size set to the largest field. A struct type has each
1179 field packed against the previous. */
1181 extern struct type *init_composite_type (char *name, enum type_code code);
1182 extern void append_composite_type_field (struct type *t, char *name,
1183 struct type *field);
1185 extern struct type *lookup_reference_type (struct type *);
1187 extern struct type *make_reference_type (struct type *, struct type **);
1189 extern struct type *make_cv_type (int, int, struct type *, struct type **);
1191 extern void replace_type (struct type *, struct type *);
1193 extern int address_space_name_to_int (char *);
1195 extern const char *address_space_int_to_name (int);
1197 extern struct type *make_type_with_address_space (struct type *type,
1198 int space_identifier);
1200 extern struct type *lookup_member_type (struct type *, struct type *);
1203 smash_to_method_type (struct type *type, struct type *domain,
1204 struct type *to_type, struct field *args,
1205 int nargs, int varargs);
1207 extern void smash_to_member_type (struct type *, struct type *, struct type *);
1209 extern struct type *allocate_stub_method (struct type *);
1211 extern char *type_name_no_tag (const struct type *);
1213 extern struct type *lookup_struct_elt_type (struct type *, char *, int);
1215 extern struct type *make_pointer_type (struct type *, struct type **);
1217 extern struct type *lookup_pointer_type (struct type *);
1219 extern struct type *make_function_type (struct type *, struct type **);
1221 extern struct type *lookup_function_type (struct type *);
1223 extern struct type *create_range_type (struct type *, struct type *, int,
1226 extern struct type *create_array_type (struct type *, struct type *,
1229 extern struct type *create_string_type (struct type *, struct type *);
1231 extern struct type *create_set_type (struct type *, struct type *);
1233 extern struct type *lookup_unsigned_typename (char *);
1235 extern struct type *lookup_signed_typename (char *);
1237 extern struct type *check_typedef (struct type *);
1239 #define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (TYPE)
1241 extern void check_stub_method_group (struct type *, int);
1243 extern char *gdb_mangle_name (struct type *, int, int);
1245 extern struct type *lookup_typename (char *, struct block *, int);
1247 extern struct type *lookup_template_type (char *, struct type *,
1250 extern struct type *lookup_fundamental_type (struct objfile *, int);
1252 extern void fill_in_vptr_fieldno (struct type *);
1254 extern int get_destructor_fn_field (struct type *, int *, int *);
1256 extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *);
1258 extern int is_ancestor (struct type *, struct type *);
1260 extern int has_vtable (struct type *);
1262 extern struct type *primary_base_class (struct type *);
1264 extern struct type **virtual_base_list (struct type *);
1266 extern int virtual_base_list_length (struct type *);
1267 extern int virtual_base_list_length_skip_primaries (struct type *);
1269 extern int virtual_base_index (struct type *, struct type *);
1270 extern int virtual_base_index_skip_primaries (struct type *, struct type *);
1273 extern int class_index_in_primary_list (struct type *);
1275 extern int count_virtual_fns (struct type *);
1277 /* Constants for HP/Taligent ANSI C++ runtime model */
1279 /* Where virtual function entries begin in the
1280 * virtual table, in the non-RRBC vtable format.
1281 * First 4 are the metavtable pointer, top offset,
1282 * typeinfo pointer, and dup base info pointer */
1283 #define HP_ACC_VFUNC_START 4
1285 /* (Negative) Offset where virtual base offset entries begin
1286 * in the virtual table. Skips over metavtable pointer and
1287 * the self-offset entry.
1288 * NOTE: NEGATE THIS BEFORE USING! The virtual base offsets
1289 * appear before the address point of the vtable (the slot
1290 * pointed to by the object's vtable pointer), i.e. at lower
1291 * addresses than the vtable pointer. */
1292 #define HP_ACC_VBASE_START 2
1294 /* (Positive) Offset where the pointer to the typeinfo
1295 * object is present in the virtual table */
1296 #define HP_ACC_TYPEINFO_OFFSET 2
1298 /* (Positive) Offset where the ``top offset'' entry of
1299 * the virtual table is */
1300 #define HP_ACC_TOP_OFFSET_OFFSET 1
1302 /* Overload resolution */
1304 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1306 /* Badness if parameter list length doesn't match arg list length */
1307 #define LENGTH_MISMATCH_BADNESS 100
1308 /* Dummy badness value for nonexistent parameter positions */
1309 #define TOO_FEW_PARAMS_BADNESS 100
1310 /* Badness if no conversion among types */
1311 #define INCOMPATIBLE_TYPE_BADNESS 100
1313 /* Badness of integral promotion */
1314 #define INTEGER_PROMOTION_BADNESS 1
1315 /* Badness of floating promotion */
1316 #define FLOAT_PROMOTION_BADNESS 1
1317 /* Badness of integral conversion */
1318 #define INTEGER_CONVERSION_BADNESS 2
1319 /* Badness of floating conversion */
1320 #define FLOAT_CONVERSION_BADNESS 2
1321 /* Badness of integer<->floating conversions */
1322 #define INT_FLOAT_CONVERSION_BADNESS 2
1323 /* Badness of converting to a boolean */
1324 #define BOOLEAN_CONVERSION_BADNESS 2
1325 /* Badness of pointer conversion */
1326 #define POINTER_CONVERSION_BADNESS 2
1327 /* Badness of conversion of pointer to void pointer */
1328 #define VOID_PTR_CONVERSION_BADNESS 2
1329 /* Badness of converting derived to base class */
1330 #define BASE_CONVERSION_BADNESS 2
1331 /* Badness of converting from non-reference to reference */
1332 #define REFERENCE_CONVERSION_BADNESS 2
1334 /* Non-standard conversions allowed by the debugger */
1335 /* Converting a pointer to an int is usually OK */
1336 #define NS_POINTER_CONVERSION_BADNESS 10
1339 extern int compare_badness (struct badness_vector *, struct badness_vector *);
1341 extern struct badness_vector *rank_function (struct type **, int,
1342 struct type **, int);
1344 extern int rank_one_type (struct type *, struct type *);
1346 extern void recursive_dump_type (struct type *, int);
1350 extern void print_scalar_formatted (void *, struct type *, int, int,
1353 extern int can_dereference (struct type *);
1355 extern int is_integral_type (struct type *);
1357 extern void maintenance_print_type (char *, int);
1359 #endif /* GDBTYPES_H */