2 /* Internal type definitions for GDB.
4 Copyright (C) 1992-2016 Free Software Foundation, Inc.
6 Contributed by Cygnus Support, using pieces from other GDB modules.
8 This file is part of GDB.
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>. */
23 #if !defined (GDBTYPES_H)
26 /* * \page gdbtypes GDB Types
28 GDB represents all the different kinds of types in programming
29 languages using a common representation defined in gdbtypes.h.
31 The main data structure is main_type; it consists of a code (such
32 as #TYPE_CODE_ENUM for enumeration types), a number of
33 generally-useful fields such as the printable name, and finally a
34 field main_type::type_specific that is a union of info specific to
35 particular languages or other special cases (such as calling
38 The available type codes are defined in enum #type_code. The enum
39 includes codes both for types that are common across a variety
40 of languages, and for types that are language-specific.
42 Most accesses to type fields go through macros such as
43 #TYPE_CODE(thistype) and #TYPE_FN_FIELD_CONST(thisfn, n). These are
44 written such that they can be used as both rvalues and lvalues.
49 /* Forward declarations for prototypes. */
52 struct value_print_options
;
55 /* These declarations are DWARF-specific as some of the gdbtypes.h data types
56 are already DWARF-specific. */
58 /* * Offset relative to the start of its containing CU (compilation
65 /* * Offset relative to the start of its .debug_info or .debug_types
70 unsigned int sect_off
;
73 /* Some macros for char-based bitfields. */
75 #define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
76 #define B_CLR(a,x) ((a)[(x)>>3] &= ~(1 << ((x)&7)))
77 #define B_TST(a,x) ((a)[(x)>>3] & (1 << ((x)&7)))
78 #define B_TYPE unsigned char
79 #define B_BYTES(x) ( 1 + ((x)>>3) )
80 #define B_CLRALL(a,x) memset ((a), 0, B_BYTES(x))
82 /* * Different kinds of data types are distinguished by the `code'
87 TYPE_CODE_BITSTRING
= -1, /**< Deprecated */
88 TYPE_CODE_UNDEF
= 0, /**< Not used; catches errors */
89 TYPE_CODE_PTR
, /**< Pointer type */
91 /* * Array type with lower & upper bounds.
93 Regardless of the language, GDB represents multidimensional
94 array types the way C does: as arrays of arrays. So an
95 instance of a GDB array type T can always be seen as a series
96 of instances of TYPE_TARGET_TYPE (T) laid out sequentially in
99 Row-major languages like C lay out multi-dimensional arrays so
100 that incrementing the rightmost index in a subscripting
101 expression results in the smallest change in the address of the
102 element referred to. Column-major languages like Fortran lay
103 them out so that incrementing the leftmost index results in the
106 This means that, in column-major languages, working our way
107 from type to target type corresponds to working through indices
108 from right to left, not left to right. */
111 TYPE_CODE_STRUCT
, /**< C struct or Pascal record */
112 TYPE_CODE_UNION
, /**< C union or Pascal variant part */
113 TYPE_CODE_ENUM
, /**< Enumeration type */
114 TYPE_CODE_FLAGS
, /**< Bit flags type */
115 TYPE_CODE_FUNC
, /**< Function type */
116 TYPE_CODE_INT
, /**< Integer type */
118 /* * Floating type. This is *NOT* a complex type. Beware, there
119 are parts of GDB which bogusly assume that TYPE_CODE_FLT can
123 /* * Void type. The length field specifies the length (probably
124 always one) which is used in pointer arithmetic involving
125 pointers to this type, but actually dereferencing such a
126 pointer is invalid; a void type has no length and no actual
127 representation in memory or registers. A pointer to a void
128 type is a generic pointer. */
131 TYPE_CODE_SET
, /**< Pascal sets */
132 TYPE_CODE_RANGE
, /**< Range (integers within spec'd bounds). */
134 /* * A string type which is like an array of character but prints
135 differently. It does not contain a length field as Pascal
136 strings (for many Pascals, anyway) do; if we want to deal with
137 such strings, we should use a new type code. */
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
146 TYPE_CODE_METHOD
, /**< Method type */
148 /* * Pointer-to-member-function type. This describes how to access a
149 particular member function of a class (possibly a virtual
150 member function). The representation may vary between different
154 /* * Pointer-to-member type. This is the offset within a class to
155 some particular data member. The only currently supported
156 representation uses an unbiased offset, with -1 representing
157 NULL; this is used by the Itanium C++ ABI (used by GCC on all
161 TYPE_CODE_REF
, /**< C++ Reference types */
163 TYPE_CODE_CHAR
, /**< *real* character type */
165 /* * Boolean type. 0 is false, 1 is true, and other values are
166 non-boolean (e.g. FORTRAN "logical" used as unsigned int). */
170 TYPE_CODE_COMPLEX
, /**< Complex float */
174 TYPE_CODE_NAMESPACE
, /**< C++ namespace. */
176 TYPE_CODE_DECFLOAT
, /**< Decimal floating point. */
178 TYPE_CODE_MODULE
, /**< Fortran module. */
180 /* * Internal function type. */
181 TYPE_CODE_INTERNAL_FUNCTION
,
183 /* * Methods implemented in extension languages. */
187 /* * Some bits for the type's instance_flags word. See the macros
188 below for documentation on each bit. */
190 enum type_instance_flag_value
192 TYPE_INSTANCE_FLAG_CONST
= (1 << 0),
193 TYPE_INSTANCE_FLAG_VOLATILE
= (1 << 1),
194 TYPE_INSTANCE_FLAG_CODE_SPACE
= (1 << 2),
195 TYPE_INSTANCE_FLAG_DATA_SPACE
= (1 << 3),
196 TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1
= (1 << 4),
197 TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2
= (1 << 5),
198 TYPE_INSTANCE_FLAG_NOTTEXT
= (1 << 6),
199 TYPE_INSTANCE_FLAG_RESTRICT
= (1 << 7),
200 TYPE_INSTANCE_FLAG_ATOMIC
= (1 << 8)
203 /* * Unsigned integer type. If this is not set for a TYPE_CODE_INT,
204 the type is signed (unless TYPE_NOSIGN (below) is set). */
206 #define TYPE_UNSIGNED(t) (TYPE_MAIN_TYPE (t)->flag_unsigned)
208 /* * No sign for this type. In C++, "char", "signed char", and
209 "unsigned char" are distinct types; so we need an extra flag to
210 indicate the absence of a sign! */
212 #define TYPE_NOSIGN(t) (TYPE_MAIN_TYPE (t)->flag_nosign)
214 /* * This appears in a type's flags word if it is a stub type (e.g.,
215 if someone referenced a type that wasn't defined in a source file
216 via (struct sir_not_appearing_in_this_film *)). */
218 #define TYPE_STUB(t) (TYPE_MAIN_TYPE (t)->flag_stub)
220 /* * The target type of this type is a stub type, and this type needs
221 to be updated if it gets un-stubbed in check_typedef. Used for
222 arrays and ranges, in which TYPE_LENGTH of the array/range gets set
223 based on the TYPE_LENGTH of the target type. Also, set for
224 TYPE_CODE_TYPEDEF. */
226 #define TYPE_TARGET_STUB(t) (TYPE_MAIN_TYPE (t)->flag_target_stub)
228 /* * Static type. If this is set, the corresponding type had
230 Note: This may be unnecessary, since static data members
231 are indicated by other means (bitpos == -1). */
233 #define TYPE_STATIC(t) (TYPE_MAIN_TYPE (t)->flag_static)
235 /* * This is a function type which appears to have a prototype. We
236 need this for function calls in order to tell us if it's necessary
237 to coerce the args, or to just do the standard conversions. This
238 is used with a short field. */
240 #define TYPE_PROTOTYPED(t) (TYPE_MAIN_TYPE (t)->flag_prototyped)
242 /* * This flag is used to indicate that processing for this type
245 (Mostly intended for HP platforms, where class methods, for
246 instance, can be encountered before their classes in the debug
247 info; the incomplete type has to be marked so that the class and
248 the method can be assigned correct types.) */
250 #define TYPE_INCOMPLETE(t) (TYPE_MAIN_TYPE (t)->flag_incomplete)
252 /* * FIXME drow/2002-06-03: Only used for methods, but applies as well
255 #define TYPE_VARARGS(t) (TYPE_MAIN_TYPE (t)->flag_varargs)
257 /* * Identify a vector type. Gcc is handling this by adding an extra
258 attribute to the array type. We slurp that in as a new flag of a
259 type. This is used only in dwarf2read.c. */
260 #define TYPE_VECTOR(t) (TYPE_MAIN_TYPE (t)->flag_vector)
262 /* * The debugging formats (especially STABS) do not contain enough
263 information to represent all Ada types---especially those whose
264 size depends on dynamic quantities. Therefore, the GNAT Ada
265 compiler includes extra information in the form of additional type
266 definitions connected by naming conventions. This flag indicates
267 that the type is an ordinary (unencoded) GDB type that has been
268 created from the necessary run-time information, and does not need
269 further interpretation. Optionally marks ordinary, fixed-size GDB
272 #define TYPE_FIXED_INSTANCE(t) (TYPE_MAIN_TYPE (t)->flag_fixed_instance)
274 /* * This debug target supports TYPE_STUB(t). In the unsupported case
275 we have to rely on NFIELDS to be zero etc., see TYPE_IS_OPAQUE().
276 TYPE_STUB(t) with !TYPE_STUB_SUPPORTED(t) may exist if we only
277 guessed the TYPE_STUB(t) value (see dwarfread.c). */
279 #define TYPE_STUB_SUPPORTED(t) (TYPE_MAIN_TYPE (t)->flag_stub_supported)
281 /* * Not textual. By default, GDB treats all single byte integers as
282 characters (or elements of strings) unless this flag is set. */
284 #define TYPE_NOTTEXT(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_NOTTEXT)
286 /* * Used only for TYPE_CODE_FUNC where it specifies the real function
287 address is returned by this function call. TYPE_TARGET_TYPE
288 determines the final returned function type to be presented to
291 #define TYPE_GNU_IFUNC(t) (TYPE_MAIN_TYPE (t)->flag_gnu_ifunc)
293 /* * Type owner. If TYPE_OBJFILE_OWNED is true, the type is owned by
294 the objfile retrieved as TYPE_OBJFILE. Otherweise, the type is
295 owned by an architecture; TYPE_OBJFILE is NULL in this case. */
297 #define TYPE_OBJFILE_OWNED(t) (TYPE_MAIN_TYPE (t)->flag_objfile_owned)
298 #define TYPE_OWNER(t) TYPE_MAIN_TYPE(t)->owner
299 #define TYPE_OBJFILE(t) (TYPE_OBJFILE_OWNED(t)? TYPE_OWNER(t).objfile : NULL)
301 /* * True if this type was declared using the "class" keyword. This is
302 only valid for C++ structure and enum types. If false, a structure
303 was declared as a "struct"; if true it was declared "class". For
304 enum types, this is true when "enum class" or "enum struct" was
305 used to declare the type.. */
307 #define TYPE_DECLARED_CLASS(t) (TYPE_MAIN_TYPE (t)->flag_declared_class)
309 /* * True if this type is a "flag" enum. A flag enum is one where all
310 the values are pairwise disjoint when "and"ed together. This
311 affects how enum values are printed. */
313 #define TYPE_FLAG_ENUM(t) (TYPE_MAIN_TYPE (t)->flag_flag_enum)
315 /* * Constant type. If this is set, the corresponding type has a
318 #define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CONST)
320 /* * Volatile type. If this is set, the corresponding type has a
321 volatile modifier. */
323 #define TYPE_VOLATILE(t) \
324 (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE)
326 /* * Restrict type. If this is set, the corresponding type has a
327 restrict modifier. */
329 #define TYPE_RESTRICT(t) \
330 (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_RESTRICT)
332 /* * Atomic type. If this is set, the corresponding type has an
335 #define TYPE_ATOMIC(t) \
336 (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_ATOMIC)
338 /* * Instruction-space delimited type. This is for Harvard architectures
339 which have separate instruction and data address spaces (and perhaps
342 GDB usually defines a flat address space that is a superset of the
343 architecture's two (or more) address spaces, but this is an extension
344 of the architecture's model.
346 If TYPE_INSTANCE_FLAG_CODE_SPACE is set, an object of the corresponding type
347 resides in instruction memory, even if its address (in the extended
348 flat address space) does not reflect this.
350 Similarly, if TYPE_INSTANCE_FLAG_DATA_SPACE is set, then an object of the
351 corresponding type resides in the data memory space, even if
352 this is not indicated by its (flat address space) address.
354 If neither flag is set, the default space for functions / methods
355 is instruction space, and for data objects is data memory. */
357 #define TYPE_CODE_SPACE(t) \
358 (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CODE_SPACE)
360 #define TYPE_DATA_SPACE(t) \
361 (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_DATA_SPACE)
363 /* * Address class flags. Some environments provide for pointers
364 whose size is different from that of a normal pointer or address
365 types where the bits are interpreted differently than normal
366 addresses. The TYPE_INSTANCE_FLAG_ADDRESS_CLASS_n flags may be used in
367 target specific ways to represent these different types of address
370 #define TYPE_ADDRESS_CLASS_1(t) (TYPE_INSTANCE_FLAGS(t) \
371 & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1)
372 #define TYPE_ADDRESS_CLASS_2(t) (TYPE_INSTANCE_FLAGS(t) \
373 & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2)
374 #define TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL \
375 (TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 | TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2)
376 #define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
377 & TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL)
379 enum dynamic_prop_kind
381 PROP_UNDEFINED
, /* Not defined. */
382 PROP_CONST
, /* Constant. */
383 PROP_ADDR_OFFSET
, /* Address offset. */
384 PROP_LOCEXPR
, /* Location expression. */
385 PROP_LOCLIST
/* Location list. */
388 union dynamic_prop_data
390 /* Storage for constant property. */
394 /* Storage for dynamic property. */
399 /* * Used to store a dynamic property. */
403 /* Determine which field of the union dynamic_prop.data is used. */
404 enum dynamic_prop_kind kind
;
406 /* Storage for dynamic or static value. */
407 union dynamic_prop_data data
;
410 /* * Define a type's dynamic property node kind. */
411 enum dynamic_prop_node_kind
413 /* A property providing a type's data location.
414 Evaluating this field yields to the location of an object's data. */
415 DYN_PROP_DATA_LOCATION
,
417 /* A property representing DW_AT_allocated. The presence of this attribute
418 indicates that the object of the type can be allocated/deallocated. */
421 /* A property representing DW_AT_allocated. The presence of this attribute
422 indicated that the object of the type can be associated. */
426 /* * List for dynamic type attributes. */
427 struct dynamic_prop_list
429 /* The kind of dynamic prop in this node. */
430 enum dynamic_prop_node_kind prop_kind
;
432 /* The dynamic property itself. */
433 struct dynamic_prop prop
;
435 /* A pointer to the next dynamic property. */
436 struct dynamic_prop_list
*next
;
439 /* * Determine which field of the union main_type.fields[x].loc is
444 FIELD_LOC_KIND_BITPOS
, /**< bitpos */
445 FIELD_LOC_KIND_ENUMVAL
, /**< enumval */
446 FIELD_LOC_KIND_PHYSADDR
, /**< physaddr */
447 FIELD_LOC_KIND_PHYSNAME
, /**< physname */
448 FIELD_LOC_KIND_DWARF_BLOCK
/**< dwarf_block */
451 /* * A discriminant to determine which field in the
452 main_type.type_specific union is being used, if any.
454 For types such as TYPE_CODE_FLT, the use of this
455 discriminant is really redundant, as we know from the type code
456 which field is going to be used. As such, it would be possible to
457 reduce the size of this enum in order to save a bit or two for
458 other fields of struct main_type. But, since we still have extra
459 room , and for the sake of clarity and consistency, we treat all fields
460 of the union the same way. */
462 enum type_specific_kind
465 TYPE_SPECIFIC_CPLUS_STUFF
,
466 TYPE_SPECIFIC_GNAT_STUFF
,
467 TYPE_SPECIFIC_FLOATFORMAT
,
468 /* Note: This is used by TYPE_CODE_FUNC and TYPE_CODE_METHOD. */
470 TYPE_SPECIFIC_SELF_TYPE
475 struct objfile
*objfile
;
476 struct gdbarch
*gdbarch
;
481 /* * Position of this field, counting in bits from start of
482 containing structure. For gdbarch_bits_big_endian=1
483 targets, it is the bit offset to the MSB. For
484 gdbarch_bits_big_endian=0 targets, it is the bit offset to
492 /* * For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then
493 physaddr is the location (in the target) of the static
494 field. Otherwise, physname is the mangled label of the
498 const char *physname
;
500 /* * The field location can be computed by evaluating the
501 following DWARF block. Its DATA is allocated on
502 objfile_obstack - no CU load is needed to access it. */
504 struct dwarf2_locexpr_baton
*dwarf_block
;
509 union field_location loc
;
511 /* * For a function or member type, this is 1 if the argument is
512 marked artificial. Artificial arguments should not be shown
513 to the user. For TYPE_CODE_RANGE it is set if the specific
514 bound is not defined. */
516 unsigned int artificial
: 1;
518 /* * Discriminant for union field_location. */
520 ENUM_BITFIELD(field_loc_kind
) loc_kind
: 3;
522 /* * Size of this field, in bits, or zero if not packed.
523 If non-zero in an array type, indicates the element size in
524 bits (used only in Ada at the moment).
525 For an unpacked field, the field's type's length
526 says how many bytes the field occupies. */
528 unsigned int bitsize
: 28;
530 /* * In a struct or union type, type of this field.
531 - In a function or member type, type of this argument.
532 - In an array type, the domain-type of the array. */
536 /* * Name of field, value or argument.
537 NULL for range bounds, array domains, and member function
545 /* * Low bound of range. */
547 struct dynamic_prop low
;
549 /* * High bound of range. */
551 struct dynamic_prop high
;
553 /* True if HIGH range bound contains the number of elements in the
554 subrange. This affects how the final hight bound is computed. */
556 int flag_upper_bound_is_count
: 1;
558 /* True if LOW or/and HIGH are resolved into a static bound from
561 int flag_bound_evaluated
: 1;
566 /* * CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to
567 point to cplus_struct_default, a default static instance of a
568 struct cplus_struct_type. */
570 struct cplus_struct_type
*cplus_stuff
;
572 /* * GNAT_STUFF is for types for which the GNAT Ada compiler
573 provides additional information. */
575 struct gnat_aux_type
*gnat_stuff
;
577 /* * FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to two
578 floatformat objects that describe the floating-point value
579 that resides within the type. The first is for big endian
580 targets and the second is for little endian targets. */
582 const struct floatformat
**floatformat
;
584 /* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */
586 struct func_type
*func_stuff
;
588 /* * For types that are pointer to member types (TYPE_CODE_METHODPTR,
589 TYPE_CODE_MEMBERPTR), SELF_TYPE is the type that this pointer
592 struct type
*self_type
;
595 /* * Main structure representing a type in GDB.
597 This structure is space-critical. Its layout has been tweaked to
598 reduce the space used. */
602 /* * Code for kind of type. */
604 ENUM_BITFIELD(type_code
) code
: 8;
606 /* * Flags about this type. These fields appear at this location
607 because they packs nicely here. See the TYPE_* macros for
608 documentation about these fields. */
610 unsigned int flag_unsigned
: 1;
611 unsigned int flag_nosign
: 1;
612 unsigned int flag_stub
: 1;
613 unsigned int flag_target_stub
: 1;
614 unsigned int flag_static
: 1;
615 unsigned int flag_prototyped
: 1;
616 unsigned int flag_incomplete
: 1;
617 unsigned int flag_varargs
: 1;
618 unsigned int flag_vector
: 1;
619 unsigned int flag_stub_supported
: 1;
620 unsigned int flag_gnu_ifunc
: 1;
621 unsigned int flag_fixed_instance
: 1;
622 unsigned int flag_objfile_owned
: 1;
624 /* * True if this type was declared with "class" rather than
627 unsigned int flag_declared_class
: 1;
629 /* * True if this is an enum type with disjoint values. This
630 affects how the enum is printed. */
632 unsigned int flag_flag_enum
: 1;
634 /* * A discriminant telling us which field of the type_specific
635 union is being used for this type, if any. */
637 ENUM_BITFIELD(type_specific_kind
) type_specific_field
: 3;
639 /* * Number of fields described for this type. This field appears
640 at this location because it packs nicely here. */
644 /* * Name of this type, or NULL if none.
646 This is used for printing only, except by poorly designed C++
647 code. For looking up a name, look for a symbol in the
648 VAR_DOMAIN. This is generally allocated in the objfile's
649 obstack. However coffread.c uses malloc. */
653 /* * Tag name for this type, or NULL if none. This means that the
654 name of the type consists of a keyword followed by the tag name.
655 Which keyword is determined by the type code ("struct" for
656 TYPE_CODE_STRUCT, etc.). As far as I know C/C++ are the only
657 languages with this feature.
659 This is used for printing only, except by poorly designed C++ code.
660 For looking up a name, look for a symbol in the STRUCT_DOMAIN.
661 One more legitimate use is that if TYPE_STUB is set, this is
662 the name to use to look for definitions in other files. */
664 const char *tag_name
;
666 /* * Every type is now associated with a particular objfile, and the
667 type is allocated on the objfile_obstack for that objfile. One
668 problem however, is that there are times when gdb allocates new
669 types while it is not in the process of reading symbols from a
670 particular objfile. Fortunately, these happen when the type
671 being created is a derived type of an existing type, such as in
672 lookup_pointer_type(). So we can just allocate the new type
673 using the same objfile as the existing type, but to do this we
674 need a backpointer to the objfile from the existing type. Yes
675 this is somewhat ugly, but without major overhaul of the internal
676 type system, it can't be avoided for now. */
678 union type_owner owner
;
680 /* * For a pointer type, describes the type of object pointed to.
681 - For an array type, describes the type of the elements.
682 - For a function or method type, describes the type of the return value.
683 - For a range type, describes the type of the full range.
684 - For a complex type, describes the type of each coordinate.
685 - For a special record or union type encoding a dynamic-sized type
686 in GNAT, a memoized pointer to a corresponding static version of
688 - Unused otherwise. */
690 struct type
*target_type
;
692 /* * For structure and union types, a description of each field.
693 For set and pascal array types, there is one "field",
694 whose type is the domain type of the set or array.
695 For range types, there are two "fields",
696 the minimum and maximum values (both inclusive).
697 For enum types, each possible value is described by one "field".
698 For a function or method type, a "field" for each parameter.
699 For C++ classes, there is one field for each base class (if it is
700 a derived class) plus one field for each class data member. Member
701 functions are recorded elsewhere.
703 Using a pointer to a separate array of fields
704 allows all types to have the same size, which is useful
705 because we can allocate the space for a type before
706 we know what to put in it. */
710 struct field
*fields
;
712 /* * Union member used for range types. */
714 struct range_bounds
*bounds
;
718 /* * Slot to point to additional language-specific fields of this
721 union type_specific type_specific
;
723 /* * Contains all dynamic type properties. */
724 struct dynamic_prop_list
*dyn_prop_list
;
727 /* * A ``struct type'' describes a particular instance of a type, with
728 some particular qualification. */
732 /* * Type that is a pointer to this type.
733 NULL if no such pointer-to type is known yet.
734 The debugger may add the address of such a type
735 if it has to construct one later. */
737 struct type
*pointer_type
;
739 /* * C++: also need a reference type. */
741 struct type
*reference_type
;
743 /* * Variant chain. This points to a type that differs from this
744 one only in qualifiers and length. Currently, the possible
745 qualifiers are const, volatile, code-space, data-space, and
746 address class. The length may differ only when one of the
747 address class flags are set. The variants are linked in a
748 circular ring and share MAIN_TYPE. */
752 /* * Flags specific to this instance of the type, indicating where
755 For TYPE_CODE_TYPEDEF the flags of the typedef type should be
756 binary or-ed with the target type, with a special case for
757 address class and space class. For example if this typedef does
758 not specify any new qualifiers, TYPE_INSTANCE_FLAGS is 0 and the
759 instance flags are completely inherited from the target type. No
760 qualifiers can be cleared by the typedef. See also
764 /* * Length of storage for a value of this type. The value is the
765 expression in host bytes of what sizeof(type) would return. This
766 size includes padding. For example, an i386 extended-precision
767 floating point value really only occupies ten bytes, but most
768 ABI's declare its size to be 12 bytes, to preserve alignment.
769 A `struct type' representing such a floating-point type would
770 have a `length' value of 12, even though the last two bytes are
773 Since this field is expressed in host bytes, its value is appropriate
774 to pass to memcpy and such (it is assumed that GDB itself always runs
775 on an 8-bits addressable architecture). However, when using it for
776 target address arithmetic (e.g. adding it to a target address), the
777 type_length_units function should be used in order to get the length
778 expressed in target addressable memory units. */
782 /* * Core type, shared by a group of qualified types. */
784 struct main_type
*main_type
;
787 #define NULL_TYPE ((struct type *) 0)
792 /* * The overloaded name.
793 This is generally allocated in the objfile's obstack.
794 However stabsread.c sometimes uses malloc. */
798 /* * The number of methods with this name. */
802 /* * The list of methods. */
804 struct fn_field
*fn_fields
;
811 /* * If is_stub is clear, this is the mangled name which we can look
812 up to find the address of the method (FIXME: it would be cleaner
813 to have a pointer to the struct symbol here instead).
815 If is_stub is set, this is the portion of the mangled name which
816 specifies the arguments. For example, "ii", if there are two int
817 arguments, or "" if there are no arguments. See gdb_mangle_name
818 for the conversion from this format to the one used if is_stub is
821 const char *physname
;
823 /* * The function type for the method.
825 (This comment used to say "The return value of the method", but
826 that's wrong. The function type is expected here, i.e. something
827 with TYPE_CODE_METHOD, and *not* the return-value type). */
831 /* * For virtual functions. First baseclass that defines this
834 struct type
*fcontext
;
838 unsigned int is_const
:1;
839 unsigned int is_volatile
:1;
840 unsigned int is_private
:1;
841 unsigned int is_protected
:1;
842 unsigned int is_public
:1;
843 unsigned int is_abstract
:1;
844 unsigned int is_static
:1;
845 unsigned int is_final
:1;
846 unsigned int is_synchronized
:1;
847 unsigned int is_native
:1;
848 unsigned int is_artificial
:1;
850 /* * A stub method only has some fields valid (but they are enough
851 to reconstruct the rest of the fields). */
853 unsigned int is_stub
:1;
855 /* * True if this function is a constructor, false otherwise. */
857 unsigned int is_constructor
: 1;
861 unsigned int dummy
:3;
863 /* * Index into that baseclass's virtual function table, minus 2;
864 else if static: VOFFSET_STATIC; else: 0. */
866 unsigned int voffset
:16;
868 #define VOFFSET_STATIC 1
874 /* * Unqualified name to be prefixed by owning class qualified
879 /* * Type this typedef named NAME represents. */
884 /* * C++ language-specific information for TYPE_CODE_STRUCT and
885 TYPE_CODE_UNION nodes. */
887 struct cplus_struct_type
889 /* * Number of base classes this type derives from. The
890 baseclasses are stored in the first N_BASECLASSES fields
891 (i.e. the `fields' field of the struct type). The only fields
892 of struct field that are used are: type, name, loc.bitpos. */
896 /* * Field number of the virtual function table pointer in VPTR_BASETYPE.
897 All access to this field must be through TYPE_VPTR_FIELDNO as one
898 thing it does is check whether the field has been initialized.
899 Initially TYPE_RAW_CPLUS_SPECIFIC has the value of cplus_struct_default,
900 which for portability reasons doesn't initialize this field.
901 TYPE_VPTR_FIELDNO returns -1 for this case.
903 If -1, we were unable to find the virtual function table pointer in
904 initial symbol reading, and get_vptr_fieldno should be called to find
905 it if possible. get_vptr_fieldno will update this field if possible.
906 Otherwise the value is left at -1.
908 Unused if this type does not have virtual functions. */
912 /* * Number of methods with unique names. All overloaded methods
913 with the same name count only once. */
917 /* * Number of template arguments. */
919 unsigned short n_template_arguments
;
921 /* * One if this struct is a dynamic class, as defined by the
922 Itanium C++ ABI: if it requires a virtual table pointer,
923 because it or any of its base classes have one or more virtual
924 member functions or virtual base classes. Minus one if not
925 dynamic. Zero if not yet computed. */
929 /* * Non-zero if this type came from a Java CU. */
931 unsigned int is_java
: 1;
933 /* * The base class which defined the virtual function table pointer. */
935 struct type
*vptr_basetype
;
937 /* * For derived classes, the number of base classes is given by
938 n_baseclasses and virtual_field_bits is a bit vector containing
939 one bit per base class. If the base class is virtual, the
940 corresponding bit will be set.
945 class C : public B, public virtual A {};
947 B is a baseclass of C; A is a virtual baseclass for C.
948 This is a C++ 2.0 language feature. */
950 B_TYPE
*virtual_field_bits
;
952 /* * For classes with private fields, the number of fields is
953 given by nfields and private_field_bits is a bit vector
954 containing one bit per field.
956 If the field is private, the corresponding bit will be set. */
958 B_TYPE
*private_field_bits
;
960 /* * For classes with protected fields, the number of fields is
961 given by nfields and protected_field_bits is a bit vector
962 containing one bit per field.
964 If the field is private, the corresponding bit will be set. */
966 B_TYPE
*protected_field_bits
;
968 /* * For classes with fields to be ignored, either this is
969 optimized out or this field has length 0. */
971 B_TYPE
*ignore_field_bits
;
973 /* * For classes, structures, and unions, a description of each
974 field, which consists of an overloaded name, followed by the
975 types of arguments that the method expects, and then the name
976 after it has been renamed to make it distinct.
978 fn_fieldlists points to an array of nfn_fields of these. */
980 struct fn_fieldlist
*fn_fieldlists
;
982 /* * typedefs defined inside this class. typedef_field points to
983 an array of typedef_field_count elements. */
985 struct typedef_field
*typedef_field
;
987 unsigned typedef_field_count
;
989 /* * The template arguments. This is an array with
990 N_TEMPLATE_ARGUMENTS elements. This is NULL for non-template
993 struct symbol
**template_arguments
;
996 /* * Struct used to store conversion rankings. */
1002 /* * When two conversions are of the same type and therefore have
1003 the same rank, subrank is used to differentiate the two.
1005 Eg: Two derived-class-pointer to base-class-pointer conversions
1006 would both have base pointer conversion rank, but the
1007 conversion with the shorter distance to the ancestor is
1008 preferable. 'subrank' would be used to reflect that. */
1013 /* * Struct used for ranking a function for overload resolution. */
1015 struct badness_vector
1021 /* * GNAT Ada-specific information for various Ada types. */
1023 struct gnat_aux_type
1025 /* * Parallel type used to encode information about dynamic types
1026 used in Ada (such as variant records, variable-size array,
1028 struct type
* descriptive_type
;
1031 /* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */
1035 /* * The calling convention for targets supporting multiple ABIs.
1036 Right now this is only fetched from the Dwarf-2
1037 DW_AT_calling_convention attribute. The value is one of the
1038 DW_CC enum dwarf_calling_convention constants. */
1040 unsigned calling_convention
: 8;
1042 /* * Whether this function normally returns to its caller. It is
1043 set from the DW_AT_noreturn attribute if set on the
1044 DW_TAG_subprogram. */
1046 unsigned int is_noreturn
: 1;
1048 /* * Only those DW_TAG_GNU_call_site's in this function that have
1049 DW_AT_GNU_tail_call set are linked in this list. Function
1050 without its tail call list complete
1051 (DW_AT_GNU_all_tail_call_sites or its superset
1052 DW_AT_GNU_all_call_sites) has TAIL_CALL_LIST NULL, even if some
1053 DW_TAG_GNU_call_site's exist in such function. */
1055 struct call_site
*tail_call_list
;
1057 /* * For method types (TYPE_CODE_METHOD), the aggregate type that
1058 contains the method. */
1060 struct type
*self_type
;
1063 /* struct call_site_parameter can be referenced in callees by several ways. */
1065 enum call_site_parameter_kind
1067 /* * Use field call_site_parameter.u.dwarf_reg. */
1068 CALL_SITE_PARAMETER_DWARF_REG
,
1070 /* * Use field call_site_parameter.u.fb_offset. */
1071 CALL_SITE_PARAMETER_FB_OFFSET
,
1073 /* * Use field call_site_parameter.u.param_offset. */
1074 CALL_SITE_PARAMETER_PARAM_OFFSET
1077 struct call_site_target
1079 union field_location loc
;
1081 /* * Discriminant for union field_location. */
1083 ENUM_BITFIELD(field_loc_kind
) loc_kind
: 3;
1086 union call_site_parameter_u
1088 /* * DW_TAG_formal_parameter's DW_AT_location's DW_OP_regX
1089 as DWARF register number, for register passed
1094 /* * Offset from the callee's frame base, for stack passed
1095 parameters. This equals offset from the caller's stack
1098 CORE_ADDR fb_offset
;
1100 /* * Offset relative to the start of this PER_CU to
1101 DW_TAG_formal_parameter which is referenced by both
1102 caller and the callee. */
1104 cu_offset param_offset
;
1107 struct call_site_parameter
1109 ENUM_BITFIELD (call_site_parameter_kind
) kind
: 2;
1111 union call_site_parameter_u u
;
1113 /* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_value. It
1116 const gdb_byte
*value
;
1119 /* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_data_value.
1120 It may be NULL if not provided by DWARF. */
1122 const gdb_byte
*data_value
;
1123 size_t data_value_size
;
1126 /* * A place where a function gets called from, represented by
1127 DW_TAG_GNU_call_site. It can be looked up from
1128 symtab->call_site_htab. */
1132 /* * Address of the first instruction after this call. It must be
1133 the first field as we overload core_addr_hash and core_addr_eq
1138 /* * List successor with head in FUNC_TYPE.TAIL_CALL_LIST. */
1140 struct call_site
*tail_call_next
;
1142 /* * Describe DW_AT_GNU_call_site_target. Missing attribute uses
1143 FIELD_LOC_KIND_DWARF_BLOCK with FIELD_DWARF_BLOCK == NULL. */
1145 struct call_site_target target
;
1147 /* * Size of the PARAMETER array. */
1149 unsigned parameter_count
;
1151 /* * CU of the function where the call is located. It gets used
1152 for DWARF blocks execution in the parameter array below. */
1154 struct dwarf2_per_cu_data
*per_cu
;
1156 /* * Describe DW_TAG_GNU_call_site's DW_TAG_formal_parameter. */
1158 struct call_site_parameter parameter
[1];
1161 /* * The default value of TYPE_CPLUS_SPECIFIC(T) points to this shared
1162 static structure. */
1164 extern const struct cplus_struct_type cplus_struct_default
;
1166 extern void allocate_cplus_struct_type (struct type
*);
1168 #define INIT_CPLUS_SPECIFIC(type) \
1169 (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_CPLUS_STUFF, \
1170 TYPE_RAW_CPLUS_SPECIFIC (type) = (struct cplus_struct_type*) \
1171 &cplus_struct_default)
1173 #define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
1175 #define HAVE_CPLUS_STRUCT(type) \
1176 (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_CPLUS_STUFF \
1177 && TYPE_RAW_CPLUS_SPECIFIC (type) != &cplus_struct_default)
1179 extern const struct gnat_aux_type gnat_aux_default
;
1181 extern void allocate_gnat_aux_type (struct type
*);
1183 #define INIT_GNAT_SPECIFIC(type) \
1184 (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_GNAT_STUFF, \
1185 TYPE_GNAT_SPECIFIC (type) = (struct gnat_aux_type *) &gnat_aux_default)
1186 #define ALLOCATE_GNAT_AUX_TYPE(type) allocate_gnat_aux_type (type)
1187 /* * A macro that returns non-zero if the type-specific data should be
1188 read as "gnat-stuff". */
1189 #define HAVE_GNAT_AUX_INFO(type) \
1190 (TYPE_SPECIFIC_FIELD (type) == TYPE_SPECIFIC_GNAT_STUFF)
1192 #define INIT_FUNC_SPECIFIC(type) \
1193 (TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FUNC, \
1194 TYPE_MAIN_TYPE (type)->type_specific.func_stuff = (struct func_type *) \
1195 TYPE_ZALLOC (type, \
1196 sizeof (*TYPE_MAIN_TYPE (type)->type_specific.func_stuff)))
1198 #define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
1199 #define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
1200 #define TYPE_NAME(thistype) TYPE_MAIN_TYPE(thistype)->name
1201 #define TYPE_TAG_NAME(type) TYPE_MAIN_TYPE(type)->tag_name
1202 #define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type
1203 #define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
1204 #define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
1205 #define TYPE_CHAIN(thistype) (thistype)->chain
1206 /* * Note that if thistype is a TYPEDEF type, you have to call check_typedef.
1207 But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
1208 so you only have to call check_typedef once. Since allocate_value
1209 calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
1210 #define TYPE_LENGTH(thistype) (thistype)->length
1211 /* * Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real
1212 type, you need to do TYPE_CODE (check_type (this_type)). */
1213 #define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code
1214 #define TYPE_NFIELDS(thistype) TYPE_MAIN_TYPE(thistype)->nfields
1215 #define TYPE_FIELDS(thistype) TYPE_MAIN_TYPE(thistype)->flds_bnds.fields
1217 #define TYPE_INDEX_TYPE(type) TYPE_FIELD_TYPE (type, 0)
1218 #define TYPE_RANGE_DATA(thistype) TYPE_MAIN_TYPE(thistype)->flds_bnds.bounds
1219 #define TYPE_LOW_BOUND(range_type) \
1220 TYPE_RANGE_DATA(range_type)->low.data.const_val
1221 #define TYPE_HIGH_BOUND(range_type) \
1222 TYPE_RANGE_DATA(range_type)->high.data.const_val
1223 #define TYPE_LOW_BOUND_UNDEFINED(range_type) \
1224 (TYPE_RANGE_DATA(range_type)->low.kind == PROP_UNDEFINED)
1225 #define TYPE_HIGH_BOUND_UNDEFINED(range_type) \
1226 (TYPE_RANGE_DATA(range_type)->high.kind == PROP_UNDEFINED)
1227 #define TYPE_HIGH_BOUND_KIND(range_type) \
1228 TYPE_RANGE_DATA(range_type)->high.kind
1229 #define TYPE_LOW_BOUND_KIND(range_type) \
1230 TYPE_RANGE_DATA(range_type)->low.kind
1232 /* Property accessors for the type data location. */
1233 #define TYPE_DATA_LOCATION(thistype) \
1234 get_dyn_prop (DYN_PROP_DATA_LOCATION, thistype)
1235 #define TYPE_DATA_LOCATION_BATON(thistype) \
1236 TYPE_DATA_LOCATION (thistype)->data.baton
1237 #define TYPE_DATA_LOCATION_ADDR(thistype) \
1238 TYPE_DATA_LOCATION (thistype)->data.const_val
1239 #define TYPE_DATA_LOCATION_KIND(thistype) \
1240 TYPE_DATA_LOCATION (thistype)->kind
1242 /* Property accessors for the type allocated/associated. */
1243 #define TYPE_ALLOCATED_PROP(thistype) \
1244 get_dyn_prop (DYN_PROP_ALLOCATED, thistype)
1245 #define TYPE_ASSOCIATED_PROP(thistype) \
1246 get_dyn_prop (DYN_PROP_ASSOCIATED, thistype)
1248 /* Attribute accessors for dynamic properties. */
1249 #define TYPE_DYN_PROP_LIST(thistype) \
1250 TYPE_MAIN_TYPE(thistype)->dyn_prop_list
1251 #define TYPE_DYN_PROP_BATON(dynprop) \
1253 #define TYPE_DYN_PROP_ADDR(dynprop) \
1254 dynprop->data.const_val
1255 #define TYPE_DYN_PROP_KIND(dynprop) \
1259 /* Moto-specific stuff for FORTRAN arrays. */
1261 #define TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED(arraytype) \
1262 TYPE_HIGH_BOUND_UNDEFINED(TYPE_INDEX_TYPE(arraytype))
1263 #define TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED(arraytype) \
1264 TYPE_LOW_BOUND_UNDEFINED(TYPE_INDEX_TYPE(arraytype))
1266 #define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
1267 (TYPE_HIGH_BOUND(TYPE_INDEX_TYPE((arraytype))))
1269 #define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
1270 (TYPE_LOW_BOUND(TYPE_INDEX_TYPE((arraytype))))
1274 #define TYPE_SELF_TYPE(thistype) internal_type_self_type (thistype)
1275 /* Do not call this, use TYPE_SELF_TYPE. */
1276 extern struct type
*internal_type_self_type (struct type
*);
1277 extern void set_type_self_type (struct type
*, struct type
*);
1279 extern int internal_type_vptr_fieldno (struct type
*);
1280 extern void set_type_vptr_fieldno (struct type
*, int);
1281 extern struct type
*internal_type_vptr_basetype (struct type
*);
1282 extern void set_type_vptr_basetype (struct type
*, struct type
*);
1283 #define TYPE_VPTR_FIELDNO(thistype) internal_type_vptr_fieldno (thistype)
1284 #define TYPE_VPTR_BASETYPE(thistype) internal_type_vptr_basetype (thistype)
1286 #define TYPE_NFN_FIELDS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->nfn_fields
1287 #define TYPE_SPECIFIC_FIELD(thistype) \
1288 TYPE_MAIN_TYPE(thistype)->type_specific_field
1289 /* We need this tap-dance with the TYPE_RAW_SPECIFIC because of the case
1290 where we're trying to print an Ada array using the C language.
1291 In that case, there is no "cplus_stuff", but the C language assumes
1292 that there is. What we do, in that case, is pretend that there is
1293 an implicit one which is the default cplus stuff. */
1294 #define TYPE_CPLUS_SPECIFIC(thistype) \
1295 (!HAVE_CPLUS_STRUCT(thistype) \
1296 ? (struct cplus_struct_type*)&cplus_struct_default \
1297 : TYPE_RAW_CPLUS_SPECIFIC(thistype))
1298 #define TYPE_RAW_CPLUS_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.cplus_stuff
1299 #define TYPE_FLOATFORMAT(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.floatformat
1300 #define TYPE_GNAT_SPECIFIC(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.gnat_stuff
1301 #define TYPE_DESCRIPTIVE_TYPE(thistype) TYPE_GNAT_SPECIFIC(thistype)->descriptive_type
1302 #define TYPE_CALLING_CONVENTION(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->calling_convention
1303 #define TYPE_NO_RETURN(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->is_noreturn
1304 #define TYPE_TAIL_CALL_LIST(thistype) TYPE_MAIN_TYPE(thistype)->type_specific.func_stuff->tail_call_list
1305 #define TYPE_BASECLASS(thistype,index) TYPE_FIELD_TYPE(thistype, index)
1306 #define TYPE_N_BASECLASSES(thistype) TYPE_CPLUS_SPECIFIC(thistype)->n_baseclasses
1307 #define TYPE_BASECLASS_NAME(thistype,index) TYPE_FIELD_NAME(thistype, index)
1308 #define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
1309 #define BASETYPE_VIA_PUBLIC(thistype, index) \
1310 ((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
1311 #define TYPE_CPLUS_DYNAMIC(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_dynamic
1312 #define TYPE_CPLUS_REALLY_JAVA(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_java
1314 #define BASETYPE_VIA_VIRTUAL(thistype, index) \
1315 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
1316 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (index)))
1318 #define FIELD_TYPE(thisfld) ((thisfld).type)
1319 #define FIELD_NAME(thisfld) ((thisfld).name)
1320 #define FIELD_LOC_KIND(thisfld) ((thisfld).loc_kind)
1321 #define FIELD_BITPOS_LVAL(thisfld) ((thisfld).loc.bitpos)
1322 #define FIELD_BITPOS(thisfld) (FIELD_BITPOS_LVAL (thisfld) + 0)
1323 #define FIELD_ENUMVAL_LVAL(thisfld) ((thisfld).loc.enumval)
1324 #define FIELD_ENUMVAL(thisfld) (FIELD_ENUMVAL_LVAL (thisfld) + 0)
1325 #define FIELD_STATIC_PHYSNAME(thisfld) ((thisfld).loc.physname)
1326 #define FIELD_STATIC_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
1327 #define FIELD_DWARF_BLOCK(thisfld) ((thisfld).loc.dwarf_block)
1328 #define SET_FIELD_BITPOS(thisfld, bitpos) \
1329 (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_BITPOS, \
1330 FIELD_BITPOS_LVAL (thisfld) = (bitpos))
1331 #define SET_FIELD_ENUMVAL(thisfld, enumval) \
1332 (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_ENUMVAL, \
1333 FIELD_ENUMVAL_LVAL (thisfld) = (enumval))
1334 #define SET_FIELD_PHYSNAME(thisfld, name) \
1335 (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_PHYSNAME, \
1336 FIELD_STATIC_PHYSNAME (thisfld) = (name))
1337 #define SET_FIELD_PHYSADDR(thisfld, addr) \
1338 (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_PHYSADDR, \
1339 FIELD_STATIC_PHYSADDR (thisfld) = (addr))
1340 #define SET_FIELD_DWARF_BLOCK(thisfld, addr) \
1341 (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_DWARF_BLOCK, \
1342 FIELD_DWARF_BLOCK (thisfld) = (addr))
1343 #define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
1344 #define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
1346 #define TYPE_FIELD(thistype, n) TYPE_MAIN_TYPE(thistype)->flds_bnds.fields[n]
1347 #define TYPE_FIELD_TYPE(thistype, n) FIELD_TYPE(TYPE_FIELD(thistype, n))
1348 #define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
1349 #define TYPE_FIELD_LOC_KIND(thistype, n) FIELD_LOC_KIND (TYPE_FIELD (thistype, n))
1350 #define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS (TYPE_FIELD (thistype, n))
1351 #define TYPE_FIELD_ENUMVAL(thistype, n) FIELD_ENUMVAL (TYPE_FIELD (thistype, n))
1352 #define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_STATIC_PHYSNAME (TYPE_FIELD (thistype, n))
1353 #define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_STATIC_PHYSADDR (TYPE_FIELD (thistype, n))
1354 #define TYPE_FIELD_DWARF_BLOCK(thistype, n) FIELD_DWARF_BLOCK (TYPE_FIELD (thistype, n))
1355 #define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
1356 #define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
1357 #define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
1359 #define TYPE_FIELD_PRIVATE_BITS(thistype) \
1360 TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits
1361 #define TYPE_FIELD_PROTECTED_BITS(thistype) \
1362 TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits
1363 #define TYPE_FIELD_IGNORE_BITS(thistype) \
1364 TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits
1365 #define TYPE_FIELD_VIRTUAL_BITS(thistype) \
1366 TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits
1367 #define SET_TYPE_FIELD_PRIVATE(thistype, n) \
1368 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n))
1369 #define SET_TYPE_FIELD_PROTECTED(thistype, n) \
1370 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n))
1371 #define SET_TYPE_FIELD_IGNORE(thistype, n) \
1372 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n))
1373 #define SET_TYPE_FIELD_VIRTUAL(thistype, n) \
1374 B_SET (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n))
1375 #define TYPE_FIELD_PRIVATE(thistype, n) \
1376 (TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits == NULL ? 0 \
1377 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->private_field_bits, (n)))
1378 #define TYPE_FIELD_PROTECTED(thistype, n) \
1379 (TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits == NULL ? 0 \
1380 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->protected_field_bits, (n)))
1381 #define TYPE_FIELD_IGNORE(thistype, n) \
1382 (TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits == NULL ? 0 \
1383 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->ignore_field_bits, (n)))
1384 #define TYPE_FIELD_VIRTUAL(thistype, n) \
1385 (TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
1386 : B_TST(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits, (n)))
1388 #define TYPE_FN_FIELDLISTS(thistype) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists
1389 #define TYPE_FN_FIELDLIST(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n]
1390 #define TYPE_FN_FIELDLIST1(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].fn_fields
1391 #define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
1392 #define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
1394 #define TYPE_N_TEMPLATE_ARGUMENTS(thistype) \
1395 TYPE_CPLUS_SPECIFIC (thistype)->n_template_arguments
1396 #define TYPE_TEMPLATE_ARGUMENTS(thistype) \
1397 TYPE_CPLUS_SPECIFIC (thistype)->template_arguments
1398 #define TYPE_TEMPLATE_ARGUMENT(thistype, n) \
1399 TYPE_CPLUS_SPECIFIC (thistype)->template_arguments[n]
1401 #define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
1402 #define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
1403 #define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
1404 #define TYPE_FN_FIELD_ARGS(thisfn, n) TYPE_FIELDS ((thisfn)[n].type)
1405 #define TYPE_FN_FIELD_CONST(thisfn, n) ((thisfn)[n].is_const)
1406 #define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
1407 #define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
1408 #define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
1409 #define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
1410 #define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
1411 #define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
1412 #define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
1413 #define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
1414 #define TYPE_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
1415 #define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
1416 #define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
1417 #define TYPE_FN_FIELD_CONSTRUCTOR(thisfn, n) ((thisfn)[n].is_constructor)
1418 #define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
1419 #define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
1420 #define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
1421 #define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
1423 #define TYPE_TYPEDEF_FIELD_ARRAY(thistype) \
1424 TYPE_CPLUS_SPECIFIC (thistype)->typedef_field
1425 #define TYPE_TYPEDEF_FIELD(thistype, n) \
1426 TYPE_CPLUS_SPECIFIC (thistype)->typedef_field[n]
1427 #define TYPE_TYPEDEF_FIELD_NAME(thistype, n) \
1428 TYPE_TYPEDEF_FIELD (thistype, n).name
1429 #define TYPE_TYPEDEF_FIELD_TYPE(thistype, n) \
1430 TYPE_TYPEDEF_FIELD (thistype, n).type
1431 #define TYPE_TYPEDEF_FIELD_COUNT(thistype) \
1432 TYPE_CPLUS_SPECIFIC (thistype)->typedef_field_count
1434 #define TYPE_IS_OPAQUE(thistype) \
1435 (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) \
1436 || (TYPE_CODE (thistype) == TYPE_CODE_UNION)) \
1437 && (TYPE_NFIELDS (thistype) == 0) \
1438 && (!HAVE_CPLUS_STRUCT (thistype) \
1439 || TYPE_NFN_FIELDS (thistype) == 0) \
1440 && (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
1442 /* * A helper macro that returns the name of a type or "unnamed type"
1443 if the type has no name. */
1445 #define TYPE_SAFE_NAME(type) \
1446 (TYPE_NAME (type) ? TYPE_NAME (type) : _("<unnamed type>"))
1448 /* * A helper macro that returns the name of an error type. If the
1449 type has a name, it is used; otherwise, a default is used. */
1451 #define TYPE_ERROR_NAME(type) \
1452 (TYPE_NAME (type) ? TYPE_NAME (type) : _("<error type>"))
1456 /* Integral types. */
1458 /* Implicit size/sign (based on the architecture's ABI). */
1459 struct type
*builtin_void
;
1460 struct type
*builtin_char
;
1461 struct type
*builtin_short
;
1462 struct type
*builtin_int
;
1463 struct type
*builtin_long
;
1464 struct type
*builtin_signed_char
;
1465 struct type
*builtin_unsigned_char
;
1466 struct type
*builtin_unsigned_short
;
1467 struct type
*builtin_unsigned_int
;
1468 struct type
*builtin_unsigned_long
;
1469 struct type
*builtin_float
;
1470 struct type
*builtin_double
;
1471 struct type
*builtin_long_double
;
1472 struct type
*builtin_complex
;
1473 struct type
*builtin_double_complex
;
1474 struct type
*builtin_string
;
1475 struct type
*builtin_bool
;
1476 struct type
*builtin_long_long
;
1477 struct type
*builtin_unsigned_long_long
;
1478 struct type
*builtin_decfloat
;
1479 struct type
*builtin_decdouble
;
1480 struct type
*builtin_declong
;
1482 /* "True" character types.
1483 We use these for the '/c' print format, because c_char is just a
1484 one-byte integral type, which languages less laid back than C
1485 will print as ... well, a one-byte integral type. */
1486 struct type
*builtin_true_char
;
1487 struct type
*builtin_true_unsigned_char
;
1489 /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
1490 is for when an architecture needs to describe a register that has
1492 struct type
*builtin_int0
;
1493 struct type
*builtin_int8
;
1494 struct type
*builtin_uint8
;
1495 struct type
*builtin_int16
;
1496 struct type
*builtin_uint16
;
1497 struct type
*builtin_int32
;
1498 struct type
*builtin_uint32
;
1499 struct type
*builtin_int64
;
1500 struct type
*builtin_uint64
;
1501 struct type
*builtin_int128
;
1502 struct type
*builtin_uint128
;
1504 /* Wide character types. */
1505 struct type
*builtin_char16
;
1506 struct type
*builtin_char32
;
1508 /* Pointer types. */
1510 /* * `pointer to data' type. Some target platforms use an implicitly
1511 {sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */
1512 struct type
*builtin_data_ptr
;
1514 /* * `pointer to function (returning void)' type. Harvard
1515 architectures mean that ABI function and code pointers are not
1516 interconvertible. Similarly, since ANSI, C standards have
1517 explicitly said that pointers to functions and pointers to data
1518 are not interconvertible --- that is, you can't cast a function
1519 pointer to void * and back, and expect to get the same value.
1520 However, all function pointer types are interconvertible, so void
1521 (*) () can server as a generic function pointer. */
1523 struct type
*builtin_func_ptr
;
1525 /* * `function returning pointer to function (returning void)' type.
1526 The final void return type is not significant for it. */
1528 struct type
*builtin_func_func
;
1530 /* Special-purpose types. */
1532 /* * This type is used to represent a GDB internal function. */
1534 struct type
*internal_fn
;
1536 /* * This type is used to represent an xmethod. */
1537 struct type
*xmethod
;
1540 /* * Return the type table for the specified architecture. */
1542 extern const struct builtin_type
*builtin_type (struct gdbarch
*gdbarch
);
1544 /* * Per-objfile types used by symbol readers. */
1548 /* Basic types based on the objfile architecture. */
1549 struct type
*builtin_void
;
1550 struct type
*builtin_char
;
1551 struct type
*builtin_short
;
1552 struct type
*builtin_int
;
1553 struct type
*builtin_long
;
1554 struct type
*builtin_long_long
;
1555 struct type
*builtin_signed_char
;
1556 struct type
*builtin_unsigned_char
;
1557 struct type
*builtin_unsigned_short
;
1558 struct type
*builtin_unsigned_int
;
1559 struct type
*builtin_unsigned_long
;
1560 struct type
*builtin_unsigned_long_long
;
1561 struct type
*builtin_float
;
1562 struct type
*builtin_double
;
1563 struct type
*builtin_long_double
;
1565 /* * This type is used to represent symbol addresses. */
1566 struct type
*builtin_core_addr
;
1568 /* * This type represents a type that was unrecognized in symbol
1570 struct type
*builtin_error
;
1572 /* * Types used for symbols with no debug information. */
1573 struct type
*nodebug_text_symbol
;
1574 struct type
*nodebug_text_gnu_ifunc_symbol
;
1575 struct type
*nodebug_got_plt_symbol
;
1576 struct type
*nodebug_data_symbol
;
1577 struct type
*nodebug_unknown_symbol
;
1578 struct type
*nodebug_tls_symbol
;
1581 /* * Return the type table for the specified objfile. */
1583 extern const struct objfile_type
*objfile_type (struct objfile
*objfile
);
1585 /* Explicit floating-point formats. See "floatformat.h". */
1586 extern const struct floatformat
*floatformats_ieee_half
[BFD_ENDIAN_UNKNOWN
];
1587 extern const struct floatformat
*floatformats_ieee_single
[BFD_ENDIAN_UNKNOWN
];
1588 extern const struct floatformat
*floatformats_ieee_double
[BFD_ENDIAN_UNKNOWN
];
1589 extern const struct floatformat
*floatformats_ieee_double_littlebyte_bigword
[BFD_ENDIAN_UNKNOWN
];
1590 extern const struct floatformat
*floatformats_i387_ext
[BFD_ENDIAN_UNKNOWN
];
1591 extern const struct floatformat
*floatformats_m68881_ext
[BFD_ENDIAN_UNKNOWN
];
1592 extern const struct floatformat
*floatformats_arm_ext
[BFD_ENDIAN_UNKNOWN
];
1593 extern const struct floatformat
*floatformats_ia64_spill
[BFD_ENDIAN_UNKNOWN
];
1594 extern const struct floatformat
*floatformats_ia64_quad
[BFD_ENDIAN_UNKNOWN
];
1595 extern const struct floatformat
*floatformats_vax_f
[BFD_ENDIAN_UNKNOWN
];
1596 extern const struct floatformat
*floatformats_vax_d
[BFD_ENDIAN_UNKNOWN
];
1597 extern const struct floatformat
*floatformats_ibm_long_double
[BFD_ENDIAN_UNKNOWN
];
1600 /* * Allocate space for storing data associated with a particular
1601 type. We ensure that the space is allocated using the same
1602 mechanism that was used to allocate the space for the type
1603 structure itself. I.e. if the type is on an objfile's
1604 objfile_obstack, then the space for data associated with that type
1605 will also be allocated on the objfile_obstack. If the type is not
1606 associated with any particular objfile (such as builtin types),
1607 then the data space will be allocated with xmalloc, the same as for
1608 the type structure. */
1610 #define TYPE_ALLOC(t,size) \
1611 (TYPE_OBJFILE_OWNED (t) \
1612 ? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
1615 #define TYPE_ZALLOC(t,size) \
1616 (TYPE_OBJFILE_OWNED (t) \
1617 ? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
1621 /* Use alloc_type to allocate a type owned by an objfile. Use
1622 alloc_type_arch to allocate a type owned by an architecture. Use
1623 alloc_type_copy to allocate a type with the same owner as a
1624 pre-existing template type, no matter whether objfile or
1626 extern struct type
*alloc_type (struct objfile
*);
1627 extern struct type
*alloc_type_arch (struct gdbarch
*);
1628 extern struct type
*alloc_type_copy (const struct type
*);
1630 /* * Return the type's architecture. For types owned by an
1631 architecture, that architecture is returned. For types owned by an
1632 objfile, that objfile's architecture is returned. */
1634 extern struct gdbarch
*get_type_arch (const struct type
*);
1636 /* * This returns the target type (or NULL) of TYPE, also skipping
1639 extern struct type
*get_target_type (struct type
*type
);
1641 /* Return the equivalent of TYPE_LENGTH, but in number of target
1642 addressable memory units of the associated gdbarch instead of bytes. */
1644 extern unsigned int type_length_units (struct type
*type
);
1646 /* * Helper function to construct objfile-owned types. */
1648 extern struct type
*init_type (struct objfile
*, enum type_code
, int,
1650 extern struct type
*init_integer_type (struct objfile
*, int, int,
1652 extern struct type
*init_character_type (struct objfile
*, int, int,
1654 extern struct type
*init_boolean_type (struct objfile
*, int, int,
1656 extern struct type
*init_float_type (struct objfile
*, int, const char *,
1657 const struct floatformat
**);
1658 extern struct type
*init_decfloat_type (struct objfile
*, int, const char *);
1659 extern struct type
*init_complex_type (struct objfile
*, const char *,
1661 extern struct type
*init_pointer_type (struct objfile
*, int, const char *,
1664 /* Helper functions to construct architecture-owned types. */
1665 extern struct type
*arch_type (struct gdbarch
*, enum type_code
, int,
1667 extern struct type
*arch_integer_type (struct gdbarch
*, int, int,
1669 extern struct type
*arch_character_type (struct gdbarch
*, int, int,
1671 extern struct type
*arch_boolean_type (struct gdbarch
*, int, int,
1673 extern struct type
*arch_float_type (struct gdbarch
*, int, const char *,
1674 const struct floatformat
**);
1675 extern struct type
*arch_decfloat_type (struct gdbarch
*, int, const char *);
1676 extern struct type
*arch_complex_type (struct gdbarch
*, const char *,
1678 extern struct type
*arch_pointer_type (struct gdbarch
*, int, const char *,
1681 /* Helper functions to construct a struct or record type. An
1682 initially empty type is created using arch_composite_type().
1683 Fields are then added using append_composite_type_field*(). A union
1684 type has its size set to the largest field. A struct type has each
1685 field packed against the previous. */
1687 extern struct type
*arch_composite_type (struct gdbarch
*gdbarch
,
1688 const char *name
, enum type_code code
);
1689 extern void append_composite_type_field (struct type
*t
, const char *name
,
1690 struct type
*field
);
1691 extern void append_composite_type_field_aligned (struct type
*t
,
1695 struct field
*append_composite_type_field_raw (struct type
*t
, const char *name
,
1696 struct type
*field
);
1698 /* Helper functions to construct a bit flags type. An initially empty
1699 type is created using arch_flag_type(). Flags are then added using
1700 append_flag_type_field() and append_flag_type_flag(). */
1701 extern struct type
*arch_flags_type (struct gdbarch
*gdbarch
,
1702 const char *name
, int length
);
1703 extern void append_flags_type_field (struct type
*type
,
1704 int start_bitpos
, int nr_bits
,
1705 struct type
*field_type
, const char *name
);
1706 extern void append_flags_type_flag (struct type
*type
, int bitpos
,
1709 extern void make_vector_type (struct type
*array_type
);
1710 extern struct type
*init_vector_type (struct type
*elt_type
, int n
);
1712 extern struct type
*lookup_reference_type (struct type
*);
1714 extern struct type
*make_reference_type (struct type
*, struct type
**);
1716 extern struct type
*make_cv_type (int, int, struct type
*, struct type
**);
1718 extern struct type
*make_restrict_type (struct type
*);
1720 extern struct type
*make_unqualified_type (struct type
*);
1722 extern struct type
*make_atomic_type (struct type
*);
1724 extern void replace_type (struct type
*, struct type
*);
1726 extern int address_space_name_to_int (struct gdbarch
*, char *);
1728 extern const char *address_space_int_to_name (struct gdbarch
*, int);
1730 extern struct type
*make_type_with_address_space (struct type
*type
,
1731 int space_identifier
);
1733 extern struct type
*lookup_memberptr_type (struct type
*, struct type
*);
1735 extern struct type
*lookup_methodptr_type (struct type
*);
1737 extern void smash_to_method_type (struct type
*type
, struct type
*self_type
,
1738 struct type
*to_type
, struct field
*args
,
1739 int nargs
, int varargs
);
1741 extern void smash_to_memberptr_type (struct type
*, struct type
*,
1744 extern void smash_to_methodptr_type (struct type
*, struct type
*);
1746 extern struct type
*allocate_stub_method (struct type
*);
1748 extern const char *type_name_no_tag (const struct type
*);
1750 extern const char *type_name_no_tag_or_error (struct type
*type
);
1752 extern struct type
*lookup_struct_elt_type (struct type
*, const char *, int);
1754 extern struct type
*make_pointer_type (struct type
*, struct type
**);
1756 extern struct type
*lookup_pointer_type (struct type
*);
1758 extern struct type
*make_function_type (struct type
*, struct type
**);
1760 extern struct type
*lookup_function_type (struct type
*);
1762 extern struct type
*lookup_function_type_with_arguments (struct type
*,
1766 extern struct type
*create_static_range_type (struct type
*, struct type
*,
1770 extern struct type
*create_array_type_with_stride
1771 (struct type
*, struct type
*, struct type
*, unsigned int);
1773 extern struct type
*create_range_type (struct type
*, struct type
*,
1774 const struct dynamic_prop
*,
1775 const struct dynamic_prop
*);
1777 extern struct type
*create_array_type (struct type
*, struct type
*,
1780 extern struct type
*lookup_array_range_type (struct type
*, LONGEST
, LONGEST
);
1782 extern struct type
*create_string_type (struct type
*, struct type
*,
1784 extern struct type
*lookup_string_range_type (struct type
*, LONGEST
, LONGEST
);
1786 extern struct type
*create_set_type (struct type
*, struct type
*);
1788 extern struct type
*lookup_unsigned_typename (const struct language_defn
*,
1789 struct gdbarch
*, const char *);
1791 extern struct type
*lookup_signed_typename (const struct language_defn
*,
1792 struct gdbarch
*, const char *);
1794 extern void get_unsigned_type_max (struct type
*, ULONGEST
*);
1796 extern void get_signed_type_minmax (struct type
*, LONGEST
*, LONGEST
*);
1798 /* * Resolve all dynamic values of a type e.g. array bounds to static values.
1799 ADDR specifies the location of the variable the type is bound to.
1800 If TYPE has no dynamic properties return TYPE; otherwise a new type with
1801 static properties is returned. */
1802 extern struct type
*resolve_dynamic_type (struct type
*type
,
1803 const gdb_byte
*valaddr
,
1806 /* * Predicate if the type has dynamic values, which are not resolved yet. */
1807 extern int is_dynamic_type (struct type
*type
);
1809 /* * Return the dynamic property of the requested KIND from TYPE's
1810 list of dynamic properties. */
1811 extern struct dynamic_prop
*get_dyn_prop
1812 (enum dynamic_prop_node_kind kind
, const struct type
*type
);
1814 /* * Given a dynamic property PROP of a given KIND, add this dynamic
1815 property to the given TYPE.
1817 This function assumes that TYPE is objfile-owned, and that OBJFILE
1818 is the TYPE's objfile. */
1819 extern void add_dyn_prop
1820 (enum dynamic_prop_node_kind kind
, struct dynamic_prop prop
,
1821 struct type
*type
, struct objfile
*objfile
);
1823 extern void remove_dyn_prop (enum dynamic_prop_node_kind prop_kind
,
1826 extern struct type
*check_typedef (struct type
*);
1828 extern void check_stub_method_group (struct type
*, int);
1830 extern char *gdb_mangle_name (struct type
*, int, int);
1832 extern struct type
*lookup_typename (const struct language_defn
*,
1833 struct gdbarch
*, const char *,
1834 const struct block
*, int);
1836 extern struct type
*lookup_template_type (char *, struct type
*,
1837 const struct block
*);
1839 extern int get_vptr_fieldno (struct type
*, struct type
**);
1841 extern int get_discrete_bounds (struct type
*, LONGEST
*, LONGEST
*);
1843 extern int get_array_bounds (struct type
*type
, LONGEST
*low_bound
,
1844 LONGEST
*high_bound
);
1846 extern int discrete_position (struct type
*type
, LONGEST val
, LONGEST
*pos
);
1848 extern int class_types_same_p (const struct type
*, const struct type
*);
1850 extern int is_ancestor (struct type
*, struct type
*);
1852 extern int is_public_ancestor (struct type
*, struct type
*);
1854 extern int is_unique_ancestor (struct type
*, struct value
*);
1856 /* Overload resolution */
1858 #define LENGTH_MATCH(bv) ((bv)->rank[0])
1860 /* * Badness if parameter list length doesn't match arg list length. */
1861 extern const struct rank LENGTH_MISMATCH_BADNESS
;
1863 /* * Dummy badness value for nonexistent parameter positions. */
1864 extern const struct rank TOO_FEW_PARAMS_BADNESS
;
1865 /* * Badness if no conversion among types. */
1866 extern const struct rank INCOMPATIBLE_TYPE_BADNESS
;
1868 /* * Badness of an exact match. */
1869 extern const struct rank EXACT_MATCH_BADNESS
;
1871 /* * Badness of integral promotion. */
1872 extern const struct rank INTEGER_PROMOTION_BADNESS
;
1873 /* * Badness of floating promotion. */
1874 extern const struct rank FLOAT_PROMOTION_BADNESS
;
1875 /* * Badness of converting a derived class pointer
1876 to a base class pointer. */
1877 extern const struct rank BASE_PTR_CONVERSION_BADNESS
;
1878 /* * Badness of integral conversion. */
1879 extern const struct rank INTEGER_CONVERSION_BADNESS
;
1880 /* * Badness of floating conversion. */
1881 extern const struct rank FLOAT_CONVERSION_BADNESS
;
1882 /* * Badness of integer<->floating conversions. */
1883 extern const struct rank INT_FLOAT_CONVERSION_BADNESS
;
1884 /* * Badness of conversion of pointer to void pointer. */
1885 extern const struct rank VOID_PTR_CONVERSION_BADNESS
;
1886 /* * Badness of conversion to boolean. */
1887 extern const struct rank BOOL_CONVERSION_BADNESS
;
1888 /* * Badness of converting derived to base class. */
1889 extern const struct rank BASE_CONVERSION_BADNESS
;
1890 /* * Badness of converting from non-reference to reference. */
1891 extern const struct rank REFERENCE_CONVERSION_BADNESS
;
1892 /* * Badness of converting integer 0 to NULL pointer. */
1893 extern const struct rank NULL_POINTER_CONVERSION
;
1895 /* Non-standard conversions allowed by the debugger */
1897 /* * Converting a pointer to an int is usually OK. */
1898 extern const struct rank NS_POINTER_CONVERSION_BADNESS
;
1900 /* * Badness of converting a (non-zero) integer constant
1902 extern const struct rank NS_INTEGER_POINTER_CONVERSION_BADNESS
;
1904 extern struct rank
sum_ranks (struct rank a
, struct rank b
);
1905 extern int compare_ranks (struct rank a
, struct rank b
);
1907 extern int compare_badness (struct badness_vector
*, struct badness_vector
*);
1909 extern struct badness_vector
*rank_function (struct type
**, int,
1910 struct value
**, int);
1912 extern struct rank
rank_one_type (struct type
*, struct type
*,
1915 extern void recursive_dump_type (struct type
*, int);
1917 extern int field_is_static (struct field
*);
1921 extern void print_scalar_formatted (const gdb_byte
*, struct type
*,
1922 const struct value_print_options
*,
1923 int, struct ui_file
*);
1925 extern int can_dereference (struct type
*);
1927 extern int is_integral_type (struct type
*);
1929 extern int is_scalar_type (struct type
*type
);
1931 extern int is_scalar_type_recursive (struct type
*);
1933 extern int class_or_union_p (const struct type
*);
1935 extern void maintenance_print_type (char *, int);
1937 extern htab_t
create_copied_types_hash (struct objfile
*objfile
);
1939 extern struct type
*copy_type_recursive (struct objfile
*objfile
,
1941 htab_t copied_types
);
1943 extern struct type
*copy_type (const struct type
*type
);
1945 extern int types_equal (struct type
*, struct type
*);
1947 extern int types_deeply_equal (struct type
*, struct type
*);
1949 extern int type_not_allocated (const struct type
*type
);
1951 extern int type_not_associated (const struct type
*type
);
1953 #endif /* GDBTYPES_H */