/* Internal type definitions for GDB.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
- 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010
+ 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
enum type_flag_value
{
- TYPE_FLAG_UNSIGNED = (1 << 6),
- TYPE_FLAG_NOSIGN = (1 << 7),
- TYPE_FLAG_STUB = (1 << 8),
- TYPE_FLAG_TARGET_STUB = (1 << 9),
- TYPE_FLAG_STATIC = (1 << 10),
- TYPE_FLAG_PROTOTYPED = (1 << 11),
- TYPE_FLAG_INCOMPLETE = (1 << 12),
- TYPE_FLAG_VARARGS = (1 << 13),
- TYPE_FLAG_VECTOR = (1 << 14),
- TYPE_FLAG_FIXED_INSTANCE = (1 << 15),
- TYPE_FLAG_STUB_SUPPORTED = (1 << 16),
- TYPE_FLAG_NOTTEXT = (1 << 17),
+ TYPE_FLAG_UNSIGNED = (1 << 7),
+ TYPE_FLAG_NOSIGN = (1 << 8),
+ TYPE_FLAG_STUB = (1 << 9),
+ TYPE_FLAG_TARGET_STUB = (1 << 10),
+ TYPE_FLAG_STATIC = (1 << 11),
+ TYPE_FLAG_PROTOTYPED = (1 << 12),
+ TYPE_FLAG_INCOMPLETE = (1 << 13),
+ TYPE_FLAG_VARARGS = (1 << 14),
+ TYPE_FLAG_VECTOR = (1 << 15),
+ TYPE_FLAG_FIXED_INSTANCE = (1 << 16),
+ TYPE_FLAG_STUB_SUPPORTED = (1 << 17),
/* Used for error-checking. */
TYPE_FLAG_MIN = TYPE_FLAG_UNSIGNED
TYPE_INSTANCE_FLAG_CODE_SPACE = (1 << 2),
TYPE_INSTANCE_FLAG_DATA_SPACE = (1 << 3),
TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 = (1 << 4),
- TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2 = (1 << 5)
+ TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2 = (1 << 5),
+ TYPE_INSTANCE_FLAG_NOTTEXT = (1 << 6),
};
/* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
/* Not textual. By default, GDB treats all single byte integers as
characters (or elements of strings) unless this flag is set. */
-#define TYPE_NOTTEXT(t) (TYPE_MAIN_TYPE (t)->flag_nottext)
+#define TYPE_NOTTEXT(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_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
* volatile modifier.
*/
-#define TYPE_VOLATILE(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE)
+#define TYPE_VOLATILE(t) \
+ (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE)
/* Instruction-space delimited type. This is for Harvard architectures
which have separate instruction and data address spaces (and perhaps
{
FIELD_LOC_KIND_BITPOS, /* bitpos */
FIELD_LOC_KIND_PHYSADDR, /* physaddr */
- FIELD_LOC_KIND_PHYSNAME, /* physname */
- FIELD_LOC_KIND_DWARF_BLOCK /* dwarf_block */
+ FIELD_LOC_KIND_PHYSNAME /* physname */
};
/* A discriminant to determine which field in the main_type.type_specific
unsigned int flag_varargs : 1;
unsigned int flag_vector : 1;
unsigned int flag_stub_supported : 1;
- unsigned int flag_nottext : 1;
unsigned int flag_fixed_instance : 1;
unsigned int flag_objfile_owned : 1;
/* True if this type was declared with "class" rather than
union field_location
{
/* Position of this field, counting in bits from start of
- containing structure.
- For gdbarch_bits_big_endian=1 targets, it is the bit offset to the MSB.
- For gdbarch_bits_big_endian=0 targets, it is the bit offset to the LSB.
- For a range bound or enum value, this is the value itself. */
+ containing structure. For gdbarch_bits_big_endian=1
+ targets, it is the bit offset to the MSB. For
+ gdbarch_bits_big_endian=0 targets, it is the bit offset to
+ the LSB. For a range bound or enum value, this is the
+ value itself. */
int bitpos;
CORE_ADDR physaddr;
char *physname;
-
- /* The field location can be computed by evaluating the following DWARF
- block. This can be used in Fortran variable-length arrays, for
- instance. */
-
- struct dwarf2_locexpr_baton *dwarf_block;
}
loc;
struct type *chain;
/* Flags specific to this instance of the type, indicating where
- on the ring we are. */
+ on the ring we are.
+
+ For TYPE_CODE_TYPEDEF the flags of the typedef type should be binary
+ or-ed with the target type, with a special case for address class and
+ space class. For example if this typedef does not specify any new
+ qualifiers, TYPE_INSTANCE_FLAGS is 0 and the instance flags are
+ completely inherited from the target type. No qualifiers can be cleared
+ by the typedef. See also check_typedef. */
int instance_flags;
/* Length of storage for a value of this type. This is what
short nfn_fields_total;
+ /* Number of template arguments. */
+ unsigned short n_template_arguments;
+
/* 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
dynamic. Zero if not yet computed. */
int is_dynamic : 2;
- /* For derived classes, the number of base classes is given by n_baseclasses
- and virtual_field_bits is a bit vector containing one bit per base class.
- If the base class is virtual, the corresponding bit will be set.
+ /* For derived classes, the number of base classes is given by
+ n_baseclasses and virtual_field_bits is a bit vector containing
+ one bit per base class. If the base class is virtual, the
+ corresponding bit will be set.
I.E, given:
class A{};
int line;
}
*localtype_ptr;
+
+ /* typedefs defined inside this class. TYPEDEF_FIELD points to an array of
+ TYPEDEF_FIELD_COUNT elements. */
+ struct typedef_field
+ {
+ /* Unqualified name to be prefixed by owning class qualified name. */
+ const char *name;
+
+ /* Type this typedef named NAME represents. */
+ struct type *type;
+ }
+ *typedef_field;
+ unsigned typedef_field_count;
+
+ /* The template arguments. This is an array with
+ N_TEMPLATE_ARGUMENTS elements. This is NULL for non-template
+ classes. */
+ struct symbol **template_arguments;
};
/* Struct used in computing virtual base list */
struct vbase *next; /* next in chain */
};
+/* Struct used to store conversion rankings. */
+struct rank
+ {
+ short rank;
+
+ /* When two conversions are of the same type and therefore have the same
+ rank, subrank is used to differentiate the two.
+ Eg: Two derived-class-pointer to base-class-pointer conversions would
+ both have base pointer conversion rank, but the conversion with the
+ shorter distance to the ancestor is preferable. 'subrank' would be used
+ to reflect that. */
+ short subrank;
+ };
+
/* Struct used for ranking a function for overload resolution */
struct badness_vector
{
int length;
- int *rank;
+ struct rank *rank;
};
/* GNAT Ada-specific information for various Ada types. */
#define INIT_CPLUS_SPECIFIC(type) \
(TYPE_SPECIFIC_FIELD (type) = TYPE_SPECIFIC_CPLUS_STUFF, \
- TYPE_RAW_CPLUS_SPECIFIC (type) = (struct cplus_struct_type*) &cplus_struct_default)
+ TYPE_RAW_CPLUS_SPECIFIC (type) = (struct cplus_struct_type*) \
+ &cplus_struct_default)
#define ALLOCATE_CPLUS_STRUCT_TYPE(type) allocate_cplus_struct_type (type)
#define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
#define FIELD_STATIC_PHYSNAME(thisfld) ((thisfld).loc.physname)
#define FIELD_STATIC_PHYSADDR(thisfld) ((thisfld).loc.physaddr)
-#define FIELD_DWARF_BLOCK(thisfld) ((thisfld).loc.dwarf_block)
#define SET_FIELD_BITPOS(thisfld, bitpos) \
(FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_BITPOS, \
FIELD_BITPOS (thisfld) = (bitpos))
#define SET_FIELD_PHYSADDR(thisfld, addr) \
(FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_PHYSADDR, \
FIELD_STATIC_PHYSADDR (thisfld) = (addr))
-#define SET_FIELD_DWARF_BLOCK(thisfld, addr) \
- (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_DWARF_BLOCK, \
- FIELD_DWARF_BLOCK (thisfld) = (addr))
#define FIELD_ARTIFICIAL(thisfld) ((thisfld).artificial)
#define FIELD_BITSIZE(thisfld) ((thisfld).bitsize)
#define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_STATIC_PHYSNAME(thistype, n) FIELD_STATIC_PHYSNAME (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_STATIC_PHYSADDR(thistype, n) FIELD_STATIC_PHYSADDR (TYPE_FIELD (thistype, n))
-#define TYPE_FIELD_DWARF_BLOCK(thistype, n) FIELD_DWARF_BLOCK (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_ARTIFICIAL(thistype, n) FIELD_ARTIFICIAL(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_BITSIZE(thistype, n) FIELD_BITSIZE(TYPE_FIELD(thistype,n))
#define TYPE_FIELD_PACKED(thistype, n) (FIELD_BITSIZE(TYPE_FIELD(thistype,n))!=0)
#define TYPE_FN_FIELDLIST_NAME(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].name
#define TYPE_FN_FIELDLIST_LENGTH(thistype, n) TYPE_CPLUS_SPECIFIC(thistype)->fn_fieldlists[n].length
+#define TYPE_N_TEMPLATE_ARGUMENTS(thistype) \
+ TYPE_CPLUS_SPECIFIC (thistype)->n_template_arguments
+#define TYPE_TEMPLATE_ARGUMENTS(thistype) \
+ TYPE_CPLUS_SPECIFIC (thistype)->template_arguments
+#define TYPE_TEMPLATE_ARGUMENT(thistype, n) \
+ TYPE_CPLUS_SPECIFIC (thistype)->template_arguments[n]
+
#define TYPE_FN_FIELD(thisfn, n) (thisfn)[n]
#define TYPE_FN_FIELD_PHYSNAME(thisfn, n) (thisfn)[n].physname
#define TYPE_FN_FIELD_TYPE(thisfn, n) (thisfn)[n].type
#define TYPE_LOCALTYPE_FILE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->file)
#define TYPE_LOCALTYPE_LINE(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr->line)
-#define TYPE_IS_OPAQUE(thistype) (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) || \
- (TYPE_CODE (thistype) == TYPE_CODE_UNION)) && \
- (TYPE_NFIELDS (thistype) == 0) && \
- (!HAVE_CPLUS_STRUCT (thistype) \
- || TYPE_NFN_FIELDS (thistype) == 0) && \
- (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
+#define TYPE_TYPEDEF_FIELD_ARRAY(thistype) \
+ TYPE_CPLUS_SPECIFIC (thistype)->typedef_field
+#define TYPE_TYPEDEF_FIELD(thistype, n) \
+ TYPE_CPLUS_SPECIFIC (thistype)->typedef_field[n]
+#define TYPE_TYPEDEF_FIELD_NAME(thistype, n) \
+ TYPE_TYPEDEF_FIELD (thistype, n).name
+#define TYPE_TYPEDEF_FIELD_TYPE(thistype, n) \
+ TYPE_TYPEDEF_FIELD (thistype, n).type
+#define TYPE_TYPEDEF_FIELD_COUNT(thistype) \
+ TYPE_CPLUS_SPECIFIC (thistype)->typedef_field_count
+
+#define TYPE_IS_OPAQUE(thistype) \
+ (((TYPE_CODE (thistype) == TYPE_CODE_STRUCT) \
+ || (TYPE_CODE (thistype) == TYPE_CODE_UNION)) \
+ && (TYPE_NFIELDS (thistype) == 0) \
+ && (!HAVE_CPLUS_STRUCT (thistype) \
+ || TYPE_NFN_FIELDS (thistype) == 0) \
+ && (TYPE_STUB (thistype) || !TYPE_STUB_SUPPORTED (thistype)))
+
+/* A helper macro that returns the name of an error type. If the type
+ has a name, it is used; otherwise, a default is used. */
+#define TYPE_ERROR_NAME(type) \
+ (TYPE_NAME (type) ? TYPE_NAME (type) : _("<error type>"))
struct builtin_type
{
/* Explicit floating-point formats. See "floatformat.h". */
+extern const struct floatformat *floatformats_ieee_half[BFD_ENDIAN_UNKNOWN];
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_ieee_double_littlebyte_bigword[BFD_ENDIAN_UNKNOWN];
extern struct type *lookup_typename (const struct language_defn *,
struct gdbarch *, char *,
- struct block *, int);
+ const struct block *, int);
extern struct type *lookup_template_type (char *, struct type *,
struct block *);
extern int get_discrete_bounds (struct type *, LONGEST *, LONGEST *);
+extern int get_array_bounds (struct type *type, LONGEST *low_bound,
+ LONGEST *high_bound);
+
extern int class_types_same_p (const struct type *, const struct type *);
extern int is_ancestor (struct type *, struct type *);
#define LENGTH_MATCH(bv) ((bv)->rank[0])
/* Badness if parameter list length doesn't match arg list length */
-#define LENGTH_MISMATCH_BADNESS 100
+extern const struct rank LENGTH_MISMATCH_BADNESS;
+
/* Dummy badness value for nonexistent parameter positions */
-#define TOO_FEW_PARAMS_BADNESS 100
+extern const struct rank TOO_FEW_PARAMS_BADNESS;
/* Badness if no conversion among types */
-#define INCOMPATIBLE_TYPE_BADNESS 100
+extern const struct rank INCOMPATIBLE_TYPE_BADNESS;
+
+/* Badness of an exact match. */
+extern const struct rank EXACT_MATCH_BADNESS;
/* Badness of integral promotion */
-#define INTEGER_PROMOTION_BADNESS 1
+extern const struct rank INTEGER_PROMOTION_BADNESS;
/* Badness of floating promotion */
-#define FLOAT_PROMOTION_BADNESS 1
+extern const struct rank FLOAT_PROMOTION_BADNESS;
+/* Badness of converting a derived class pointer
+ to a base class pointer. */
+extern const struct rank BASE_PTR_CONVERSION_BADNESS;
/* Badness of integral conversion */
-#define INTEGER_CONVERSION_BADNESS 2
+extern const struct rank INTEGER_CONVERSION_BADNESS;
/* Badness of floating conversion */
-#define FLOAT_CONVERSION_BADNESS 2
+extern const struct rank FLOAT_CONVERSION_BADNESS;
/* Badness of integer<->floating conversions */
-#define INT_FLOAT_CONVERSION_BADNESS 2
-/* Badness of converting to a boolean */
-#define BOOLEAN_CONVERSION_BADNESS 2
-/* Badness of pointer conversion */
-#define POINTER_CONVERSION_BADNESS 2
+extern const struct rank INT_FLOAT_CONVERSION_BADNESS;
/* Badness of conversion of pointer to void pointer */
-#define VOID_PTR_CONVERSION_BADNESS 2
+extern const struct rank VOID_PTR_CONVERSION_BADNESS;
+/* Badness of conversion of pointer to boolean. */
+extern const struct rank BOOL_PTR_CONVERSION_BADNESS;
/* Badness of converting derived to base class */
-#define BASE_CONVERSION_BADNESS 2
+extern const struct rank BASE_CONVERSION_BADNESS;
/* Badness of converting from non-reference to reference */
-#define REFERENCE_CONVERSION_BADNESS 2
+extern const struct rank REFERENCE_CONVERSION_BADNESS;
/* Non-standard conversions allowed by the debugger */
/* Converting a pointer to an int is usually OK */
-#define NS_POINTER_CONVERSION_BADNESS 10
+extern const struct rank NS_POINTER_CONVERSION_BADNESS;
+
+extern struct rank sum_ranks (struct rank a, struct rank b);
+extern int compare_ranks (struct rank a, struct rank b);
extern int compare_badness (struct badness_vector *, struct badness_vector *);
extern struct badness_vector *rank_function (struct type **, int,
struct type **, int);
-extern int rank_one_type (struct type *, struct type *);
+extern struct rank rank_one_type (struct type *, struct type *);
extern void recursive_dump_type (struct type *, int);
projects / deliverable / binutils-gdb.git / blobdiff