/* 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.
TYPE_CODE_XMETHOD
};
-/* * Some constants representing each bit field in the main_type. See
- the bit-field-specific macros, below, for documentation of each
- constant in this enum. These enum values are only used with
- init_type. Note that the values are chosen not to conflict with
- type_instance_flag_value; this lets init_type error-check its
- input. */
-
-enum type_flag_value
-{
- TYPE_FLAG_UNSIGNED = (1 << 9),
- TYPE_FLAG_NOSIGN = (1 << 10),
- TYPE_FLAG_STUB = (1 << 11),
- TYPE_FLAG_TARGET_STUB = (1 << 12),
- TYPE_FLAG_STATIC = (1 << 13),
- TYPE_FLAG_PROTOTYPED = (1 << 14),
- TYPE_FLAG_INCOMPLETE = (1 << 15),
- TYPE_FLAG_VARARGS = (1 << 16),
- TYPE_FLAG_VECTOR = (1 << 17),
- TYPE_FLAG_FIXED_INSTANCE = (1 << 18),
- TYPE_FLAG_STUB_SUPPORTED = (1 << 19),
- TYPE_FLAG_GNU_IFUNC = (1 << 20),
-
- /* * Used for error-checking. */
- TYPE_FLAG_MIN = TYPE_FLAG_UNSIGNED
-};
-
/* * Some bits for the type's instance_flags word. See the macros
- below for documentation on each bit. Note that if you add a value
- here, you must update the enum type_flag_value as well. */
+ below for documentation on each bit. */
enum type_instance_flag_value
{
};
/* * Unsigned integer type. If this is not set for a TYPE_CODE_INT,
- the type is signed (unless TYPE_FLAG_NOSIGN (below) is set). */
+ the type is signed (unless TYPE_NOSIGN (below) is set). */
#define TYPE_UNSIGNED(t) (TYPE_MAIN_TYPE (t)->flag_unsigned)
architecture's two (or more) address spaces, but this is an extension
of the architecture's model.
- If TYPE_FLAG_INST is set, an object of the corresponding type
+ If TYPE_INSTANCE_FLAG_CODE_SPACE is set, an object of the corresponding type
resides in instruction memory, even if its address (in the extended
flat address space) does not reflect this.
- Similarly, if TYPE_FLAG_DATA is set, then an object of the
+ Similarly, if TYPE_INSTANCE_FLAG_DATA_SPACE is set, then an object of the
corresponding type resides in the data memory space, even if
this is not indicated by its (flat address space) address.
/* * Address class flags. Some environments provide for pointers
whose size is different from that of a normal pointer or address
types where the bits are interpreted differently than normal
- addresses. The TYPE_FLAG_ADDRESS_CLASS_n flags may be used in
+ addresses. The TYPE_INSTANCE_FLAG_ADDRESS_CLASS_n flags may be used in
target specific ways to represent these different types of address
classes. */
/* 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. */
enum dynamic_prop_node_kind prop_kind;
/* The dynamic property itself. */
- struct dynamic_prop *prop;
+ struct dynamic_prop prop;
/* A pointer to the next dynamic property. */
struct dynamic_prop_list *next;
gdbarch_bits_big_endian=0 targets, it is the bit offset to
the LSB. */
- int bitpos;
+ LONGEST bitpos;
/* * Enum value. */
LONGEST enumval;
This is used for printing only, except by poorly designed C++ code.
For looking up a name, look for a symbol in the STRUCT_DOMAIN.
- One more legitimate use is that if TYPE_FLAG_STUB is set, this is
+ One more legitimate use is that if TYPE_STUB is set, this is
the name to use to look for definitions in other files. */
const char *tag_name;
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. */
{
/* * Number of base classes this type derives from. The
baseclasses are stored in the first N_BASECLASSES fields
- (i.e. the `fields' field of the struct type). I think only the
- `type' field of such a field has any meaning. */
+ (i.e. the `fields' field of the struct type). The only fields
+ of struct field that are used are: type, name, loc.bitpos. */
short n_baseclasses;
int is_dynamic : 2;
- /* * Non-zero if this type came from a Java CU. */
-
- unsigned int is_java : 1;
-
/* * The base class which defined the virtual function table pointer. */
struct type *vptr_basetype;
#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
#define BASETYPE_VIA_PUBLIC(thistype, index) \
((!TYPE_FIELD_PRIVATE(thistype, index)) && (!TYPE_FIELD_PROTECTED(thistype, index)))
#define TYPE_CPLUS_DYNAMIC(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_dynamic
-#define TYPE_CPLUS_REALLY_JAVA(thistype) TYPE_CPLUS_SPECIFIC (thistype)->is_java
#define BASETYPE_VIA_VIRTUAL(thistype, index) \
(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
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 *,
- struct objfile *);
+extern struct type *init_type (struct objfile *, enum type_code, int,
+ const char *);
+extern struct type *init_integer_type (struct objfile *, int, int,
+ const char *);
+extern struct type *init_character_type (struct objfile *, int, int,
+ const char *);
+extern struct type *init_boolean_type (struct objfile *, int, int,
+ const char *);
+extern struct type *init_float_type (struct objfile *, int, const char *,
+ const struct floatformat **);
+extern struct type *init_decfloat_type (struct objfile *, int, const char *);
+extern struct type *init_complex_type (struct objfile *, const char *,
+ struct type *);
+extern struct type *init_pointer_type (struct objfile *, int, const char *,
+ struct type *);
/* Helper functions to construct architecture-owned types. */
-extern struct type *arch_type (struct gdbarch *, enum type_code, int, char *);
-extern struct type *arch_integer_type (struct gdbarch *, int, int, char *);
-extern struct type *arch_character_type (struct gdbarch *, int, int, char *);
-extern struct type *arch_boolean_type (struct gdbarch *, int, int, char *);
-extern struct type *arch_float_type (struct gdbarch *, int, char *,
+extern struct type *arch_type (struct gdbarch *, enum type_code, int,
+ const char *);
+extern struct type *arch_integer_type (struct gdbarch *, int, int,
+ const char *);
+extern struct type *arch_character_type (struct gdbarch *, int, int,
+ const char *);
+extern struct type *arch_boolean_type (struct gdbarch *, int, int,
+ const char *);
+extern struct type *arch_float_type (struct gdbarch *, int, const char *,
const struct floatformat **);
-extern struct type *arch_complex_type (struct gdbarch *, char *,
+extern struct type *arch_decfloat_type (struct gdbarch *, int, const char *);
+extern struct type *arch_complex_type (struct gdbarch *, const char *,
+ struct type *);
+extern struct type *arch_pointer_type (struct gdbarch *, int, const char *,
struct type *);
/* Helper functions to construct a struct or record type. An
field packed against the previous. */
extern struct type *arch_composite_type (struct gdbarch *gdbarch,
- char *name, enum type_code code);
-extern void append_composite_type_field (struct type *t, char *name,
+ const char *name, enum type_code code);
+extern void append_composite_type_field (struct type *t, const char *name,
struct type *field);
extern void append_composite_type_field_aligned (struct type *t,
- char *name,
+ const char *name,
struct type *field,
int alignment);
-struct field *append_composite_type_field_raw (struct type *t, char *name,
+struct field *append_composite_type_field_raw (struct type *t, const char *name,
struct type *field);
/* Helper functions to construct a bit flags type. An initially empty
type is created using arch_flag_type(). Flags are then added using
- append_flag_type_flag(). */
+ append_flag_type_field() and append_flag_type_flag(). */
extern struct type *arch_flags_type (struct gdbarch *gdbarch,
- char *name, int length);
-extern void append_flags_type_flag (struct type *type, int bitpos, char *name);
+ const char *name, int length);
+extern void append_flags_type_field (struct type *type,
+ int start_bitpos, int nr_bits,
+ struct type *field_type, const char *name);
+extern void append_flags_type_flag (struct type *type, int bitpos,
+ const char *name);
extern void make_vector_type (struct type *array_type);
extern struct type *init_vector_type (struct type *elt_type, int n);
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);
(enum dynamic_prop_node_kind kind, struct dynamic_prop prop,
struct type *type, struct objfile *objfile);
-extern struct type *check_typedef (struct type *);
+extern void remove_dyn_prop (enum dynamic_prop_node_kind prop_kind,
+ struct type *type);
-#define CHECK_TYPEDEF(TYPE) \
- do { \
- (TYPE) = check_typedef (TYPE); \
- } while (0)
+extern struct type *check_typedef (struct type *);
extern void check_stub_method_group (struct type *, 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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