/* Internal type definitions for GDB.
- Copyright (C) 1992-2004, 2006-2012 Free Software Foundation, Inc.
+ Copyright (C) 1992-2014 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
struct value_print_options;
struct language_defn;
+/* These declarations are DWARF-specific as some of the gdbtypes.h data types
+ are already DWARF-specific. */
+
+/* Offset relative to the start of its containing CU (compilation unit). */
+typedef struct
+{
+ unsigned int cu_off;
+} cu_offset;
+
+/* Offset relative to the start of its .debug_info or .debug_types section. */
+typedef struct
+{
+ unsigned int sect_off;
+} sect_offset;
+
/* Some macros for char-based bitfields. */
#define B_SET(a,x) ((a)[(x)>>3] |= (1 << ((x)&7)))
enum type_code
{
- TYPE_CODE_UNDEF, /* Not used; catches errors */
+ TYPE_CODE_BITSTRING = -1, /* Deprecated */
+ TYPE_CODE_UNDEF = 0, /* Not used; catches errors */
TYPE_CODE_PTR, /* Pointer type */
/* Array type with lower & upper bounds.
a new type code. */
TYPE_CODE_STRING,
- /* String of bits; like TYPE_CODE_SET but prints differently (at
- least for (the deleted) CHILL). */
- TYPE_CODE_BITSTRING,
-
/* Unknown type. The length field is valid if we were able to
deduce that much about the type, or 0 if we don't even know that. */
TYPE_CODE_ERROR,
enum type_flag_value
{
- 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),
- TYPE_FLAG_GNU_IFUNC = (1 << 18),
+ TYPE_FLAG_UNSIGNED = (1 << 8),
+ TYPE_FLAG_NOSIGN = (1 << 9),
+ TYPE_FLAG_STUB = (1 << 10),
+ TYPE_FLAG_TARGET_STUB = (1 << 11),
+ TYPE_FLAG_STATIC = (1 << 12),
+ TYPE_FLAG_PROTOTYPED = (1 << 13),
+ TYPE_FLAG_INCOMPLETE = (1 << 14),
+ TYPE_FLAG_VARARGS = (1 << 15),
+ TYPE_FLAG_VECTOR = (1 << 16),
+ TYPE_FLAG_FIXED_INSTANCE = (1 << 17),
+ TYPE_FLAG_STUB_SUPPORTED = (1 << 18),
+ TYPE_FLAG_GNU_IFUNC = (1 << 19),
/* Used for error-checking. */
TYPE_FLAG_MIN = TYPE_FLAG_UNSIGNED
TYPE_INSTANCE_FLAG_ADDRESS_CLASS_1 = (1 << 4),
TYPE_INSTANCE_FLAG_ADDRESS_CLASS_2 = (1 << 5),
TYPE_INSTANCE_FLAG_NOTTEXT = (1 << 6),
+ TYPE_INSTANCE_FLAG_RESTRICT = (1 << 7)
};
/* Unsigned integer type. If this is not set for a TYPE_CODE_INT, the
#define TYPE_VOLATILE(t) \
(TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE)
+/* Restrict type. If this is set, the corresponding type has a
+ restrict modifier. */
+
+#define TYPE_RESTRICT(t) \
+ (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_RESTRICT)
+
/* Instruction-space delimited type. This is for Harvard architectures
which have separate instruction and data address spaces (and perhaps
others).
enum field_loc_kind
{
FIELD_LOC_KIND_BITPOS, /* bitpos */
+ FIELD_LOC_KIND_ENUMVAL, /* enumval */
FIELD_LOC_KIND_PHYSADDR, /* physaddr */
FIELD_LOC_KIND_PHYSNAME, /* physname */
FIELD_LOC_KIND_DWARF_BLOCK /* dwarf_block */
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. */
+ the LSB. */
int bitpos;
+ /* Enum value. */
+ LONGEST enumval;
+
/* For a static field, if TYPE_FIELD_STATIC_HAS_ADDR then physaddr
is the location (in the target) of the static field.
Otherwise, physname is the mangled label of the static field. */
unsigned int artificial : 1;
/* Discriminant for union field_location. */
- ENUM_BITFIELD(field_loc_kind) loc_kind : 2;
+ ENUM_BITFIELD(field_loc_kind) loc_kind : 3;
/* Size of this field, in bits, or zero if not packed.
If non-zero in an array type, indicates the element size in
For an unpacked field, the field's type's length
says how many bytes the field occupies. */
- unsigned int bitsize : 29;
+ unsigned int bitsize : 28;
/* In a struct or union type, type of this field.
In a function or member type, type of this argument.
to reconstruct the rest of the fields). */
unsigned int is_stub:1;
+ /* True if this function is a constructor, false
+ otherwise. */
+ unsigned int is_constructor : 1;
+
/* Unused. */
- unsigned int dummy:4;
+ unsigned int dummy:3;
/* Index into that baseclass's virtual function table,
minus 2; else if static: VOFFSET_STATIC; else: 0. */
}
*fn_fieldlists;
- /* Pointer to information about enclosing scope, if this is a
- local type. If it is not a local type, this is NULL. */
- struct local_type_info
- {
- char *file;
- int line;
- }
- *localtype_ptr;
-
/* typedefs defined inside this class. TYPEDEF_FIELD points to an array of
TYPEDEF_FIELD_COUNT elements. */
struct typedef_field
struct call_site *tail_call_list;
};
+/* struct call_site_parameter can be referenced in callees by several ways. */
+
+enum call_site_parameter_kind
+{
+ /* Use field call_site_parameter.u.dwarf_reg. */
+ CALL_SITE_PARAMETER_DWARF_REG,
+
+ /* Use field call_site_parameter.u.fb_offset. */
+ CALL_SITE_PARAMETER_FB_OFFSET,
+
+ /* Use field call_site_parameter.u.param_offset. */
+ CALL_SITE_PARAMETER_PARAM_OFFSET
+};
+
/* A place where a function gets called from, represented by
DW_TAG_GNU_call_site. It can be looked up from symtab->call_site_htab. */
union field_location loc;
/* Discriminant for union field_location. */
- ENUM_BITFIELD(field_loc_kind) loc_kind : 2;
+ ENUM_BITFIELD(field_loc_kind) loc_kind : 3;
}
target;
/* Describe DW_TAG_GNU_call_site's DW_TAG_formal_parameter. */
struct call_site_parameter
{
- /* DW_TAG_formal_parameter's DW_AT_location's DW_OP_regX as DWARF
- register number, for register passed parameters. If -1 then use
- fb_offset. */
- int dwarf_reg;
+ ENUM_BITFIELD (call_site_parameter_kind) kind : 2;
- /* Offset from the callee's frame base, for stack passed parameters.
- This equals offset from the caller's stack pointer. Valid only if
- DWARF_REGNUM is -1. */
- CORE_ADDR fb_offset;
+ union call_site_parameter_u
+ {
+ /* DW_TAG_formal_parameter's DW_AT_location's DW_OP_regX as DWARF
+ register number, for register passed parameters. */
+ int dwarf_reg;
+
+ /* Offset from the callee's frame base, for stack passed parameters.
+ This equals offset from the caller's stack pointer. */
+ CORE_ADDR fb_offset;
+
+ /* Offset relative to the start of this PER_CU to
+ DW_TAG_formal_parameter which is referenced by both caller and
+ the callee. */
+ cu_offset param_offset;
+ }
+ u;
/* DW_TAG_formal_parameter's DW_AT_GNU_call_site_value. It is never
NULL. */
#define FIELD_TYPE(thisfld) ((thisfld).type)
#define FIELD_NAME(thisfld) ((thisfld).name)
#define FIELD_LOC_KIND(thisfld) ((thisfld).loc_kind)
-#define FIELD_BITPOS(thisfld) ((thisfld).loc.bitpos)
+#define FIELD_BITPOS_LVAL(thisfld) ((thisfld).loc.bitpos)
+#define FIELD_BITPOS(thisfld) (FIELD_BITPOS_LVAL (thisfld) + 0)
+#define FIELD_ENUMVAL_LVAL(thisfld) ((thisfld).loc.enumval)
+#define FIELD_ENUMVAL(thisfld) (FIELD_ENUMVAL_LVAL (thisfld) + 0)
#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))
+ FIELD_BITPOS_LVAL (thisfld) = (bitpos))
+#define SET_FIELD_ENUMVAL(thisfld, enumval) \
+ (FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_ENUMVAL, \
+ FIELD_ENUMVAL_LVAL (thisfld) = (enumval))
#define SET_FIELD_PHYSNAME(thisfld, name) \
(FIELD_LOC_KIND (thisfld) = FIELD_LOC_KIND_PHYSNAME, \
FIELD_STATIC_PHYSNAME (thisfld) = (name))
#define TYPE_FIELD_NAME(thistype, n) FIELD_NAME(TYPE_FIELD(thistype, n))
#define TYPE_FIELD_LOC_KIND(thistype, n) FIELD_LOC_KIND (TYPE_FIELD (thistype, n))
#define TYPE_FIELD_BITPOS(thistype, n) FIELD_BITPOS (TYPE_FIELD (thistype, n))
+#define TYPE_FIELD_ENUMVAL(thistype, n) FIELD_ENUMVAL (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_FN_FIELD_ARTIFICIAL(thisfn, n) ((thisfn)[n].is_artificial)
#define TYPE_FN_FIELD_ABSTRACT(thisfn, n) ((thisfn)[n].is_abstract)
#define TYPE_FN_FIELD_STUB(thisfn, n) ((thisfn)[n].is_stub)
+#define TYPE_FN_FIELD_CONSTRUCTOR(thisfn, n) ((thisfn)[n].is_constructor)
#define TYPE_FN_FIELD_FCONTEXT(thisfn, n) ((thisfn)[n].fcontext)
#define TYPE_FN_FIELD_VOFFSET(thisfn, n) ((thisfn)[n].voffset-2)
#define TYPE_FN_FIELD_VIRTUAL_P(thisfn, n) ((thisfn)[n].voffset > 1)
#define TYPE_FN_FIELD_STATIC_P(thisfn, n) ((thisfn)[n].voffset == VOFFSET_STATIC)
-#define TYPE_LOCALTYPE_PTR(thistype) (TYPE_CPLUS_SPECIFIC(thistype)->localtype_ptr)
-#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_TYPEDEF_FIELD_ARRAY(thistype) \
TYPE_CPLUS_SPECIFIC (thistype)->typedef_field
#define TYPE_TYPEDEF_FIELD(thistype, n) \
objfile's architecture is returned. */
extern struct gdbarch *get_type_arch (const struct type *);
+/* This returns the target type (or NULL) of TYPE, also skipping
+ past typedefs. */
+extern struct type *get_target_type (struct type *type);
+
/* Helper function to construct objfile-owned types. */
-extern struct type *init_type (enum type_code, int, int, char *,
+extern struct type *init_type (enum type_code, int, int, const char *,
struct objfile *);
/* Helper functions to construct architecture-owned types. */
extern struct type *make_cv_type (int, int, struct type *, struct type **);
+extern struct type *make_restrict_type (struct type *);
+
extern void replace_type (struct type *, struct type *);
extern int address_space_name_to_int (struct gdbarch *, char *);
extern const char *type_name_no_tag_or_error (struct type *type);
-extern struct type *lookup_struct_elt_type (struct type *, char *, int);
+extern struct type *lookup_struct_elt_type (struct type *, const char *, int);
extern struct type *make_pointer_type (struct type *, struct type **);
extern struct type *lookup_function_type (struct type *);
+extern struct type *lookup_function_type_with_arguments (struct type *,
+ int,
+ struct type **);
+
extern struct type *create_range_type (struct type *, struct type *, LONGEST,
LONGEST);
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 *lookup_array_range_type (struct type *, LONGEST, LONGEST);
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 *lookup_string_range_type (struct type *, LONGEST, LONGEST);
extern struct type *create_set_type (struct type *, struct type *);
extern struct type *lookup_signed_typename (const struct language_defn *,
struct gdbarch *, const char *);
+extern void get_unsigned_type_max (struct type *, ULONGEST *);
+
+extern void get_signed_type_minmax (struct type *, LONGEST *, LONGEST *);
+
extern struct type *check_typedef (struct type *);
#define CHECK_TYPEDEF(TYPE) \
const struct block *, int);
extern struct type *lookup_template_type (char *, struct type *,
- struct block *);
+ const struct block *);
extern int get_vptr_fieldno (struct type *, struct type **);
extern const struct rank INT_FLOAT_CONVERSION_BADNESS;
/* Badness of conversion of pointer to void pointer. */
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 conversion to boolean. */
+extern const struct rank BOOL_CONVERSION_BADNESS;
/* Badness of converting derived to base class. */
extern const struct rank BASE_CONVERSION_BADNESS;
/* Badness of converting from non-reference to reference. */
/* Converting a pointer to an int is usually OK. */
extern const struct rank NS_POINTER_CONVERSION_BADNESS;
+/* Badness of converting a (non-zero) integer constant
+ to a pointer. */
+extern const struct rank NS_INTEGER_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 struct type *copy_type (const struct type *type);
+extern int types_equal (struct type *, struct type *);
+
+extern int types_deeply_equal (struct type *, struct type *);
+
#endif /* GDBTYPES_H */
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