/* Internal type definitions for GDB.
- Copyright (C) 1992-2016 Free Software Foundation, Inc.
+ Copyright (C) 1992-2017 Free Software Foundation, Inc.
Contributed by Cygnus Support, using pieces from other GDB modules.
*/
#include "hashtab.h"
+#include "common/offset-type.h"
+#include "common/enum-flags.h"
/* Forward declarations for prototypes. */
struct field;
/* * Offset relative to the start of its containing CU (compilation
unit). */
-typedef struct
-{
- unsigned int cu_off;
-} cu_offset;
+DEFINE_OFFSET_TYPE (cu_offset, unsigned int);
/* * Offset relative to the start of its .debug_info or .debug_types
section. */
-
-typedef struct
-{
- unsigned int sect_off;
-} sect_offset;
+DEFINE_OFFSET_TYPE (sect_offset, unsigned int);
/* Some macros for char-based bitfields. */
TYPE_CODE_REF, /**< C++ Reference types */
+ TYPE_CODE_RVALUE_REF, /**< C++ rvalue reference types */
+
TYPE_CODE_CHAR, /**< *real* character type */
/* * Boolean type. 0 is false, 1 is true, and other values are
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
{
TYPE_INSTANCE_FLAG_ATOMIC = (1 << 8)
};
+DEF_ENUM_FLAGS_TYPE (enum type_instance_flag_value, type_instance_flags);
+
/* * 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)
#define TYPE_TARGET_STUB(t) (TYPE_MAIN_TYPE (t)->flag_target_stub)
-/* * Static type. If this is set, the corresponding type had
- a static modifier.
- Note: This may be unnecessary, since static data members
- are indicated by other means (bitpos == -1). */
-
-#define TYPE_STATIC(t) (TYPE_MAIN_TYPE (t)->flag_static)
-
/* * This is a function type which appears to have a prototype. We
need this for function calls in order to tell us if it's necessary
to coerce the args, or to just do the standard conversions. This
/* * Constant type. If this is set, the corresponding type has a
const modifier. */
-#define TYPE_CONST(t) (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CONST)
+#define TYPE_CONST(t) ((TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CONST) != 0)
/* * Volatile type. If this is set, the corresponding type has a
volatile modifier. */
#define TYPE_VOLATILE(t) \
- (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE)
+ ((TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_VOLATILE) != 0)
/* * 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)
+ ((TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_RESTRICT) != 0)
/* * Atomic type. If this is set, the corresponding type has an
_Atomic modifier. */
#define TYPE_ATOMIC(t) \
- (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_ATOMIC)
+ ((TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_ATOMIC) != 0)
+
+/* * True if this type represents either an lvalue or lvalue reference type. */
+
+#define TYPE_IS_REFERENCE(t) \
+ (TYPE_CODE (t) == TYPE_CODE_REF || TYPE_CODE (t) == TYPE_CODE_RVALUE_REF)
/* * Instruction-space delimited type. This is for Harvard architectures
which have separate instruction and data address spaces (and perhaps
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.
is instruction space, and for data objects is data memory. */
#define TYPE_CODE_SPACE(t) \
- (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CODE_SPACE)
+ ((TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_CODE_SPACE) != 0)
#define TYPE_DATA_SPACE(t) \
- (TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_DATA_SPACE)
+ ((TYPE_INSTANCE_FLAGS (t) & TYPE_INSTANCE_FLAG_DATA_SPACE) != 0)
/* * 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. */
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;
struct type *reference_type;
+ /* * A C++ rvalue reference type added in C++11. */
+
+ struct type *rvalue_reference_type;
+
/* * Variant chain. This points to a type that differs from this
one only in qualifiers and length. Currently, the possible
qualifiers are const, volatile, code-space, data-space, and
unsigned int is_volatile:1;
unsigned int is_private:1;
unsigned int is_protected:1;
- unsigned int is_public:1;
- unsigned int is_abstract:1;
- unsigned int is_static:1;
- unsigned int is_final:1;
- unsigned int is_synchronized:1;
- unsigned int is_native:1;
unsigned int is_artificial:1;
/* * A stub method only has some fields valid (but they are enough
/* * Unused. */
- unsigned int dummy:3;
+ unsigned int dummy:9;
/* * Index into that baseclass's virtual function table, minus 2;
else if static: VOFFSET_STATIC; else: 0. */
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;
unsigned int is_noreturn : 1;
- /* * Only those DW_TAG_GNU_call_site's in this function that have
- DW_AT_GNU_tail_call set are linked in this list. Function
+ /* * Only those DW_TAG_call_site's in this function that have
+ DW_AT_call_tail_call set are linked in this list. Function
without its tail call list complete
- (DW_AT_GNU_all_tail_call_sites or its superset
- DW_AT_GNU_all_call_sites) has TAIL_CALL_LIST NULL, even if some
- DW_TAG_GNU_call_site's exist in such function. */
+ (DW_AT_call_all_tail_calls or its superset
+ DW_AT_call_all_calls) has TAIL_CALL_LIST NULL, even if some
+ DW_TAG_call_site's exist in such function. */
struct call_site *tail_call_list;
DW_TAG_formal_parameter which is referenced by both
caller and the callee. */
- cu_offset param_offset;
+ cu_offset param_cu_off;
};
struct call_site_parameter
union call_site_parameter_u u;
- /* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_value. It
- is never NULL. */
+ /* * DW_TAG_formal_parameter's DW_AT_call_value. It is never NULL. */
const gdb_byte *value;
size_t value_size;
- /* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_data_value.
+ /* * DW_TAG_formal_parameter's DW_AT_call_data_value.
It may be NULL if not provided by DWARF. */
const gdb_byte *data_value;
};
/* * 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. */
+ DW_TAG_call_site. It can be looked up from symtab->call_site_htab. */
struct call_site
{
struct call_site *tail_call_next;
- /* * Describe DW_AT_GNU_call_site_target. Missing attribute uses
+ /* * Describe DW_AT_call_target. Missing attribute uses
FIELD_LOC_KIND_DWARF_BLOCK with FIELD_DWARF_BLOCK == NULL. */
struct call_site_target target;
struct dwarf2_per_cu_data *per_cu;
- /* * Describe DW_TAG_GNU_call_site's DW_TAG_formal_parameter. */
+ /* * Describe DW_TAG_call_site's DW_TAG_formal_parameter. */
struct call_site_parameter parameter[1];
};
#define TYPE_TARGET_TYPE(thistype) TYPE_MAIN_TYPE(thistype)->target_type
#define TYPE_POINTER_TYPE(thistype) (thistype)->pointer_type
#define TYPE_REFERENCE_TYPE(thistype) (thistype)->reference_type
+#define TYPE_RVALUE_REFERENCE_TYPE(thistype) (thistype)->rvalue_reference_type
#define TYPE_CHAIN(thistype) (thistype)->chain
/* * Note that if thistype is a TYPEDEF type, you have to call check_typedef.
But check_typedef does set the TYPE_LENGTH of the TYPEDEF type,
#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 \
#define TYPE_FN_FIELD_VOLATILE(thisfn, n) ((thisfn)[n].is_volatile)
#define TYPE_FN_FIELD_PRIVATE(thisfn, n) ((thisfn)[n].is_private)
#define TYPE_FN_FIELD_PROTECTED(thisfn, n) ((thisfn)[n].is_protected)
-#define TYPE_FN_FIELD_PUBLIC(thisfn, n) ((thisfn)[n].is_public)
-#define TYPE_FN_FIELD_STATIC(thisfn, n) ((thisfn)[n].is_static)
-#define TYPE_FN_FIELD_FINAL(thisfn, n) ((thisfn)[n].is_final)
-#define TYPE_FN_FIELD_SYNCHRONIZED(thisfn, n) ((thisfn)[n].is_synchronized)
-#define TYPE_FN_FIELD_NATIVE(thisfn, n) ((thisfn)[n].is_native)
#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)
/* Wide character types. */
struct type *builtin_char16;
struct type *builtin_char32;
+ struct type *builtin_wchar;
/* Pointer types. */
/* * 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,
const char *);
extern struct type *arch_float_type (struct gdbarch *, int, const char *,
const struct floatformat **);
+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
initially empty type is created using arch_composite_type().
extern void make_vector_type (struct type *array_type);
extern struct type *init_vector_type (struct type *elt_type, int n);
-extern struct type *lookup_reference_type (struct type *);
+extern struct type *lookup_reference_type (struct type *, enum type_code);
+extern struct type *lookup_lvalue_reference_type (struct type *);
+extern struct type *lookup_rvalue_reference_type (struct type *);
+
-extern struct type *make_reference_type (struct type *, struct type **);
+extern struct type *make_reference_type (struct type *, struct type **,
+ enum type_code);
extern struct type *make_cv_type (int, int, struct type *, struct type **);
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. */
+/* * Badness of converting from non-reference to reference. Subrank
+ is the type of reference conversion being done. */
extern const struct rank REFERENCE_CONVERSION_BADNESS;
+/* * Conversion to rvalue reference. */
+#define REFERENCE_CONVERSION_RVALUE 1
+/* * Conversion to const lvalue reference. */
+#define REFERENCE_CONVERSION_CONST_LVALUE 2
+
/* * Badness of converting integer 0 to NULL pointer. */
extern const struct rank NULL_POINTER_CONVERSION;
+/* * Badness of cv-conversion. Subrank is a flag describing the conversions
+ being done. */
+extern const struct rank CV_CONVERSION_BADNESS;
+#define CV_CONVERSION_CONST 1
+#define CV_CONVERSION_VOLATILE 2
/* Non-standard conversions allowed by the debugger */
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