/* Internal type definitions for GDB.
- Copyright (C) 1992-2015 Free Software Foundation, Inc.
+ Copyright (C) 1992-2016 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
/* A property providing a type's data location.
Evaluating this field yields to the location of an object's data. */
DYN_PROP_DATA_LOCATION,
+
+ /* A property representing DW_AT_allocated. The presence of this attribute
+ indicates that the object of the type can be allocated/deallocated. */
+ DYN_PROP_ALLOCATED,
+
+ /* A property representing DW_AT_allocated. The presence of this attribute
+ indicated that the object of the type can be associated. */
+ DYN_PROP_ASSOCIATED,
};
/* * List for dynamic type attributes. */
check_typedef. */
int instance_flags;
- /* * Length of storage for a value of this type. This is what
- sizeof(type) would return; use it for address arithmetic, memory
- reads and writes, etc. This size includes padding. For example,
- an i386 extended-precision floating point value really only
- occupies ten bytes, but most ABI's declare its size to be 12
- bytes, to preserve alignment. A `struct type' representing such
- a floating-point type would have a `length' value of 12, even
- though the last two bytes are unused.
-
- There's a bit of a host/target mess here, if you're concerned
- about machines whose bytes aren't eight bits long, or who don't
- have byte-addressed memory. Various places pass this to memcpy
- and such, meaning it must be in units of host bytes. Various
- other places expect they can calculate addresses by adding it
- and such, meaning it must be in units of target bytes. For
- some DSP targets, in which HOST_CHAR_BIT will (presumably) be 8
- and TARGET_CHAR_BIT will be (say) 32, this is a problem.
-
- One fix would be to make this field in bits (requiring that it
- always be a multiple of HOST_CHAR_BIT and TARGET_CHAR_BIT) ---
- the other choice would be to make it consistently in units of
- HOST_CHAR_BIT. However, this would still fail to address
- machines based on a ternary or decimal representation. */
-
- unsigned length;
+ /* * Length of storage for a value of this type. The value is the
+ expression in host bytes of what sizeof(type) would return. This
+ size includes padding. For example, an i386 extended-precision
+ floating point value really only occupies ten bytes, but most
+ ABI's declare its size to be 12 bytes, to preserve alignment.
+ A `struct type' representing such a floating-point type would
+ have a `length' value of 12, even though the last two bytes are
+ unused.
+
+ Since this field is expressed in host bytes, its value is appropriate
+ to pass to memcpy and such (it is assumed that GDB itself always runs
+ on an 8-bits addressable architecture). However, when using it for
+ target address arithmetic (e.g. adding it to a target address), the
+ type_length_units function should be used in order to get the length
+ expressed in target addressable memory units. */
+
+ unsigned int length;
/* * Core type, shared by a group of qualified types. */
#define INIT_FUNC_SPECIFIC(type) \
(TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_FUNC, \
- TYPE_MAIN_TYPE (type)->type_specific.func_stuff \
- = TYPE_ZALLOC (type, \
- sizeof (*TYPE_MAIN_TYPE (type)->type_specific.func_stuff)))
+ TYPE_MAIN_TYPE (type)->type_specific.func_stuff = (struct func_type *) \
+ TYPE_ZALLOC (type, \
+ sizeof (*TYPE_MAIN_TYPE (type)->type_specific.func_stuff)))
#define TYPE_INSTANCE_FLAGS(thistype) (thistype)->instance_flags
#define TYPE_MAIN_TYPE(thistype) (thistype)->main_type
#define TYPE_DATA_LOCATION_KIND(thistype) \
TYPE_DATA_LOCATION (thistype)->kind
+/* Property accessors for the type allocated/associated. */
+#define TYPE_ALLOCATED_PROP(thistype) \
+ get_dyn_prop (DYN_PROP_ALLOCATED, thistype)
+#define TYPE_ASSOCIATED_PROP(thistype) \
+ get_dyn_prop (DYN_PROP_ASSOCIATED, thistype)
+
/* Attribute accessors for dynamic properties. */
#define TYPE_DYN_PROP_LIST(thistype) \
TYPE_MAIN_TYPE(thistype)->dyn_prop_list
extern struct type *get_target_type (struct type *type);
+/* Return the equivalent of TYPE_LENGTH, but in number of target
+ addressable memory units of the associated gdbarch instead of bytes. */
+
+extern unsigned int type_length_units (struct type *type);
+
/* * Helper function to construct objfile-owned types. */
extern struct type *init_type (enum type_code, int, int, const char *,
ADDR specifies the location of the variable the type is bound to.
If TYPE has no dynamic properties return TYPE; otherwise a new type with
static properties is returned. */
-extern struct type *resolve_dynamic_type (struct type *type, CORE_ADDR addr);
+extern struct type *resolve_dynamic_type (struct type *type,
+ const gdb_byte *valaddr,
+ CORE_ADDR addr);
/* * Predicate if the type has dynamic values, which are not resolved yet. */
extern int is_dynamic_type (struct type *type);
extern struct type *check_typedef (struct type *);
-#define CHECK_TYPEDEF(TYPE) \
- do { \
- (TYPE) = check_typedef (TYPE); \
- } while (0)
-
extern void check_stub_method_group (struct type *, int);
extern char *gdb_mangle_name (struct type *, int, int);
extern int get_array_bounds (struct type *type, LONGEST *low_bound,
LONGEST *high_bound);
+extern int discrete_position (struct type *type, LONGEST val, LONGEST *pos);
+
extern int class_types_same_p (const struct type *, const struct type *);
extern int is_ancestor (struct type *, struct type *);
/* printcmd.c */
-extern void print_scalar_formatted (const void *, struct type *,
+extern void print_scalar_formatted (const gdb_byte *, struct type *,
const struct value_print_options *,
int, struct ui_file *);
extern int is_integral_type (struct type *);
+extern int is_scalar_type (struct type *type);
+
extern int is_scalar_type_recursive (struct type *);
extern int class_or_union_p (const struct type *);
extern int types_deeply_equal (struct type *, struct type *);
+extern int type_not_allocated (const struct type *type);
+
+extern int type_not_associated (const struct type *type);
+
#endif /* GDBTYPES_H */
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