/* Internal type definitions for GDB.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
+ 2002, 2003, 2004, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
/* Forward declarations for prototypes. */
struct field;
struct block;
+struct value_print_options;
+struct language_defn;
/* Some macros for char-based bitfields. */
TYPE_CODE_NAMESPACE, /* C++ namespace. */
- TYPE_CODE_DECFLOAT /* Decimal floating point. */
+ TYPE_CODE_DECFLOAT, /* Decimal floating point. */
+
+ /* Internal function type. */
+ TYPE_CODE_INTERNAL_FUNCTION
};
/* For now allow source to use TYPE_CODE_CLASS for C++ classes, as an
#define TYPE_NOTTEXT(t) (TYPE_MAIN_TYPE (t)->flag_nottext)
+/* Type owner. If TYPE_OBJFILE_OWNED is true, the type is owned by
+ the objfile retrieved as TYPE_OBJFILE. Otherweise, the type is
+ owned by an architecture; TYPE_OBJFILE is NULL in this case. */
+
+#define TYPE_OBJFILE_OWNED(t) (TYPE_MAIN_TYPE (t)->flag_objfile_owned)
+#define TYPE_OWNER(t) TYPE_MAIN_TYPE(t)->owner
+#define TYPE_OBJFILE(t) (TYPE_OBJFILE_OWNED(t)? TYPE_OWNER(t).objfile : NULL)
+
/* Constant type. If this is set, the corresponding type has a
* const modifier.
*/
unsigned int flag_stub_supported : 1;
unsigned int flag_nottext : 1;
unsigned int flag_fixed_instance : 1;
+ unsigned int flag_objfile_owned : 1;
/* Number of fields described for this type. This field appears at
this location because it packs nicely here. */
major overhaul of the internal type system, it can't be avoided
for now. */
- struct objfile *objfile;
+ union type_owner
+ {
+ struct objfile *objfile;
+ struct gdbarch *gdbarch;
+ } owner;
/* For a pointer type, describes the type of object pointed to.
For an array type, describes the type of the elements.
int line;
}
*localtype_ptr;
+
+ /* One if this struct is a dynamic class, as defined by the
+ Itanium C++ ABI: if it requires a virtual table pointer,
+ because it or any of its base classes have one or more virtual
+ member functions or virtual base classes. Minus one if not
+ dynamic. Zero if not yet computed. */
+ int is_dynamic : 2;
};
/* Struct used in computing virtual base list */
so you only have to call check_typedef once. Since allocate_value
calls check_typedef, TYPE_LENGTH (VALUE_TYPE (X)) is safe. */
#define TYPE_LENGTH(thistype) (thistype)->length
-#define TYPE_OBJFILE(thistype) TYPE_MAIN_TYPE(thistype)->objfile
/* Note that TYPE_CODE can be TYPE_CODE_TYPEDEF, so if you want the real
type, you need to do TYPE_CODE (check_type (this_type)). */
#define TYPE_CODE(thistype) TYPE_MAIN_TYPE(thistype)->code
/* Moto-specific stuff for FORTRAN arrays */
#define TYPE_ARRAY_UPPER_BOUND_IS_UNDEFINED(arraytype) \
- (TYPE_FIELD_ARTIFICIAL((TYPE_FIELD_TYPE((arraytype),0)),1))
+ (TYPE_FIELD_ARTIFICIAL(TYPE_INDEX_TYPE((arraytype)),1))
#define TYPE_ARRAY_LOWER_BOUND_IS_UNDEFINED(arraytype) \
- (TYPE_FIELD_ARTIFICIAL((TYPE_FIELD_TYPE((arraytype),0)),0))
+ (TYPE_FIELD_ARTIFICIAL(TYPE_INDEX_TYPE((arraytype)),0))
#define TYPE_ARRAY_UPPER_BOUND_VALUE(arraytype) \
- (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),1))
+ (TYPE_HIGH_BOUND(TYPE_INDEX_TYPE((arraytype))))
#define TYPE_ARRAY_LOWER_BOUND_VALUE(arraytype) \
- (TYPE_FIELD_BITPOS((TYPE_FIELD_TYPE((arraytype),0)),0))
+ (TYPE_LOW_BOUND(TYPE_INDEX_TYPE((arraytype))))
/* C++ */
#define TYPE_BASECLASS_BITPOS(thistype,index) TYPE_FIELD_BITPOS(thistype,index)
#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 BASETYPE_VIA_VIRTUAL(thistype, index) \
(TYPE_CPLUS_SPECIFIC(thistype)->virtual_field_bits == NULL ? 0 \
struct builtin_type
{
- /* Address/pointer types. */
+ /* Integral types. */
+
+ /* Implicit size/sign (based on the the architecture's ABI). */
+ struct type *builtin_void;
+ struct type *builtin_char;
+ struct type *builtin_short;
+ struct type *builtin_int;
+ struct type *builtin_long;
+ struct type *builtin_signed_char;
+ struct type *builtin_unsigned_char;
+ struct type *builtin_unsigned_short;
+ struct type *builtin_unsigned_int;
+ struct type *builtin_unsigned_long;
+ struct type *builtin_float;
+ struct type *builtin_double;
+ struct type *builtin_long_double;
+ struct type *builtin_complex;
+ struct type *builtin_double_complex;
+ struct type *builtin_string;
+ struct type *builtin_bool;
+ struct type *builtin_long_long;
+ struct type *builtin_unsigned_long_long;
+ struct type *builtin_decfloat;
+ struct type *builtin_decdouble;
+ struct type *builtin_declong;
+
+ /* "True" character types.
+ We use these for the '/c' print format, because c_char is just a
+ one-byte integral type, which languages less laid back than C
+ will print as ... well, a one-byte integral type. */
+ struct type *builtin_true_char;
+ struct type *builtin_true_unsigned_char;
+
+ /* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
+ is for when an architecture needs to describe a register that has
+ no size. */
+ struct type *builtin_int0;
+ struct type *builtin_int8;
+ struct type *builtin_uint8;
+ struct type *builtin_int16;
+ struct type *builtin_uint16;
+ struct type *builtin_int32;
+ struct type *builtin_uint32;
+ struct type *builtin_int64;
+ struct type *builtin_uint64;
+ struct type *builtin_int128;
+ struct type *builtin_uint128;
+
+
+ /* Pointer types. */
/* `pointer to data' type. Some target platforms use an implicitly
{sign,zero} -extended 32-bit ABI pointer on a 64-bit ISA. */
(*) () can server as a generic function pointer. */
struct type *builtin_func_ptr;
- /* The target CPU's address type. This is the ISA address size. */
- struct type *builtin_core_addr;
+ /* Special-purpose types. */
- /* Types used for symbols with no debug information. */
- struct type *nodebug_text_symbol;
- struct type *nodebug_data_symbol;
- struct type *nodebug_unknown_symbol;
- struct type *nodebug_tls_symbol;
+ /* This type is used to represent a GDB internal function. */
+ struct type *internal_fn;
+};
+/* Return the type table for the specified architecture. */
+extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch);
- /* Integral types. */
- /* Implicit size/sign (based on the the architecture's ABI). */
+/* Per-objfile types used by symbol readers. */
+
+struct objfile_type
+{
+ /* Basic types based on the objfile architecture. */
struct type *builtin_void;
struct type *builtin_char;
struct type *builtin_short;
struct type *builtin_int;
struct type *builtin_long;
+ struct type *builtin_long_long;
struct type *builtin_signed_char;
struct type *builtin_unsigned_char;
struct type *builtin_unsigned_short;
struct type *builtin_unsigned_int;
struct type *builtin_unsigned_long;
+ struct type *builtin_unsigned_long_long;
struct type *builtin_float;
struct type *builtin_double;
struct type *builtin_long_double;
- struct type *builtin_complex;
- struct type *builtin_double_complex;
- struct type *builtin_string;
- struct type *builtin_bool;
- struct type *builtin_long_long;
- struct type *builtin_unsigned_long_long;
- struct type *builtin_decfloat;
- struct type *builtin_decdouble;
- struct type *builtin_declong;
+
+ /* This type is used to represent symbol addresses. */
+ struct type *builtin_core_addr;
+
+ /* This type represents a type that was unrecognized in symbol read-in. */
+ struct type *builtin_error;
+
+ /* Types used for symbols with no debug information. */
+ struct type *nodebug_text_symbol;
+ struct type *nodebug_data_symbol;
+ struct type *nodebug_unknown_symbol;
+ struct type *nodebug_tls_symbol;
};
-/* Return the type table for the specified architecture. */
-extern const struct builtin_type *builtin_type (struct gdbarch *gdbarch);
+/* Return the type table for the specified objfile. */
+extern const struct objfile_type *objfile_type (struct objfile *objfile);
-/* Explicit sizes - see C9X <intypes.h> for naming scheme. The "int0"
- is for when an architecture needs to describe a register that has
- no size. */
-extern struct type *builtin_type_int0;
-extern struct type *builtin_type_int8;
-extern struct type *builtin_type_uint8;
-extern struct type *builtin_type_int16;
-extern struct type *builtin_type_uint16;
-extern struct type *builtin_type_int32;
-extern struct type *builtin_type_uint32;
-extern struct type *builtin_type_int64;
-extern struct type *builtin_type_uint64;
-extern struct type *builtin_type_int128;
-extern struct type *builtin_type_uint128;
-
/* Explicit floating-point formats. See "floatformat.h". */
extern const struct floatformat *floatformats_ieee_single[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_ieee_double[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_vax_d[BFD_ENDIAN_UNKNOWN];
extern const struct floatformat *floatformats_ibm_long_double[BFD_ENDIAN_UNKNOWN];
-extern struct type *builtin_type_ieee_single;
-extern struct type *builtin_type_ieee_double;
-extern struct type *builtin_type_i387_ext;
-extern struct type *builtin_type_m68881_ext;
-extern struct type *builtin_type_arm_ext;
-extern struct type *builtin_type_ia64_spill;
-extern struct type *builtin_type_ia64_quad;
-
-/* Platform-neutral void type. Never attempt to construct a pointer
- or reference type to this, because those cannot be platform-neutral.
- You must use builtin_type (...)->builtin_void in those cases. */
-extern struct type *builtin_type_void;
-
-/* Platform-neutral character types.
- We use these for the '/c' print format, because c_char is just a
- one-byte integral type, which languages less laid back than C
- will print as ... well, a one-byte integral type. */
-extern struct type *builtin_type_true_char;
-extern struct type *builtin_type_true_unsigned_char;
-
-
-/* This type represents a type that was unrecognized in symbol
- read-in. */
-extern struct type *builtin_type_error;
-
-
-/* RTTI for C++ */
-/* extern struct type *builtin_type_cxx_typeinfo; */
/* Maximum and minimum values of built-in types */
the same as for the type structure. */
#define TYPE_ALLOC(t,size) \
- (TYPE_OBJFILE (t) != NULL \
+ (TYPE_OBJFILE_OWNED (t) \
? obstack_alloc (&TYPE_OBJFILE (t) -> objfile_obstack, size) \
: xmalloc (size))
#define TYPE_ZALLOC(t,size) \
- (TYPE_OBJFILE (t) != NULL \
+ (TYPE_OBJFILE_OWNED (t) \
? memset (obstack_alloc (&TYPE_OBJFILE (t)->objfile_obstack, size), \
0, size) \
: xzalloc (size))
+/* Use alloc_type to allocate a type owned by an objfile.
+ Use alloc_type_arch to allocate a type owned by an architecture.
+ Use alloc_type_copy to allocate a type with the same owner as a
+ pre-existing template type, no matter whether objfile or gdbarch. */
extern struct type *alloc_type (struct objfile *);
+extern struct type *alloc_type_arch (struct gdbarch *);
+extern struct type *alloc_type_copy (const struct type *);
+/* Return the type's architecture. For types owned by an architecture,
+ that architecture is returned. For types owned by an objfile, that
+ objfile's architecture is returned. */
+extern struct gdbarch *get_type_arch (const struct type *);
+
+/* Helper function to construct objfile-owned types. */
extern struct type *init_type (enum type_code, int, int, char *,
struct objfile *);
+/* 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 *,
+ const struct floatformat **);
+extern struct type *arch_complex_type (struct gdbarch *, char *,
+ struct type *);
+
/* Helper functions to construct a struct or record type. An
- initially empty type is created using init_composite_type().
+ initially empty type is created using arch_composite_type().
Fields are then added using append_struct_type_field(). A union
type has its size set to the largest field. A struct type has each
field packed against the previous. */
-extern struct type *init_composite_type (char *name, enum type_code code);
+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,
struct type *field);
+extern void append_composite_type_field_aligned (struct type *t,
+ char *name,
+ struct type *field,
+ int alignment);
/* Helper functions to construct a bit flags type. An initially empty
- type is created using init_flag_type(). Flags are then added using
+ type is created using arch_flag_type(). Flags are then added using
append_flag_type_flag(). */
-extern struct type *init_flags_type (char *name, int length);
+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);
extern void make_vector_type (struct type *array_type);
extern void replace_type (struct type *, struct type *);
-extern int address_space_name_to_int (char *);
+extern int address_space_name_to_int (struct gdbarch *, char *);
-extern const char *address_space_int_to_name (int);
+extern const char *address_space_int_to_name (struct gdbarch *, int);
extern struct type *make_type_with_address_space (struct type *type,
int space_identifier);
extern struct type *create_array_type (struct type *, struct type *,
struct type *);
+extern struct type *lookup_array_range_type (struct type *, int, int);
-extern struct type *create_string_type (struct type *, struct type *);
+extern struct type *create_string_type (struct type *, struct type *,
+ struct type *);
+extern struct type *lookup_string_range_type (struct type *, int, int);
extern struct type *create_set_type (struct type *, struct type *);
-extern struct type *lookup_unsigned_typename (char *);
+extern struct type *lookup_unsigned_typename (const struct language_defn *,
+ struct gdbarch *,char *);
-extern struct type *lookup_signed_typename (char *);
+extern struct type *lookup_signed_typename (const struct language_defn *,
+ struct gdbarch *,char *);
extern struct type *check_typedef (struct type *);
-#define CHECK_TYPEDEF(TYPE) (TYPE) = check_typedef (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 struct type *lookup_typename (char *, struct block *, int);
+extern struct type *lookup_typename (const struct language_defn *,
+ struct gdbarch *, char *,
+ struct block *, int);
extern struct type *lookup_template_type (char *, struct type *,
struct block *);
extern int get_vptr_fieldno (struct type *, struct type **);
-extern int get_destructor_fn_field (struct type *, int *, int *);
-
extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *);
extern int is_ancestor (struct type *, struct type *);
/* printcmd.c */
-extern void print_scalar_formatted (const void *, struct type *, int, int,
- struct ui_file *);
+extern void print_scalar_formatted (const void *, struct type *,
+ const struct value_print_options *,
+ int, struct ui_file *);
extern int can_dereference (struct type *);
projects / deliverable / binutils-gdb.git / blobdiff