#define TYPE_ADDRESS_CLASS_ALL(t) (TYPE_INSTANCE_FLAGS(t) \
& TYPE_INSTANCE_FLAG_ADDRESS_CLASS_ALL)
+enum dynamic_prop_kind
+{
+ PROP_UNDEFINED, /* Not defined. */
+ PROP_CONST, /* Constant. */
+ PROP_ADDR_OFFSET, /* Address offset. */
+ PROP_LOCEXPR, /* Location expression. */
+ PROP_LOCLIST /* Location list. */
+};
+
+union dynamic_prop_data
+{
+ /* Storage for constant property. */
+
+ LONGEST const_val;
+
+ /* Storage for dynamic property. */
+
+ void *baton;
+};
+
/* * Used to store a dynamic property. */
struct dynamic_prop
{
/* Determine which field of the union dynamic_prop.data is used. */
- enum
- {
- PROP_UNDEFINED, /* Not defined. */
- PROP_CONST, /* Constant. */
- PROP_ADDR_OFFSET, /* Address offset. */
- PROP_LOCEXPR, /* Location expression. */
- PROP_LOCLIST /* Location list. */
- } kind;
+ enum dynamic_prop_kind kind;
/* Storage for dynamic or static value. */
- union data
- {
- /* Storage for constant property. */
-
- LONGEST const_val;
-
- /* Storage for dynamic property. */
-
- void *baton;
- } data;
+ union dynamic_prop_data data;
};
TYPE_SPECIFIC_SELF_TYPE
};
+union type_owner
+{
+ struct objfile *objfile;
+ struct gdbarch *gdbarch;
+};
+
+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. */
+
+ 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. */
+
+ CORE_ADDR physaddr;
+ const char *physname;
+
+ /* * The field location can be computed by evaluating the
+ following DWARF block. Its DATA is allocated on
+ objfile_obstack - no CU load is needed to access it. */
+
+ struct dwarf2_locexpr_baton *dwarf_block;
+};
+
+struct field
+{
+ union field_location loc;
+
+ /* * For a function or member type, this is 1 if the argument is
+ marked artificial. Artificial arguments should not be shown
+ to the user. For TYPE_CODE_RANGE it is set if the specific
+ bound is not defined. */
+
+ unsigned int artificial : 1;
+
+ /* * Discriminant for union field_location. */
+
+ 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
+ bits (used only in Ada at the moment).
+ For an unpacked field, the field's type's length
+ says how many bytes the field occupies. */
+
+ unsigned int bitsize : 28;
+
+ /* * In a struct or union type, type of this field.
+ - In a function or member type, type of this argument.
+ - In an array type, the domain-type of the array. */
+
+ struct type *type;
+
+ /* * Name of field, value or argument.
+ NULL for range bounds, array domains, and member function
+ arguments. */
+
+ const char *name;
+};
+
+struct range_bounds
+{
+ /* * Low bound of range. */
+
+ struct dynamic_prop low;
+
+ /* * High bound of range. */
+
+ struct dynamic_prop high;
+
+ /* True if HIGH range bound contains the number of elements in the
+ subrange. This affects how the final hight bound is computed. */
+
+ int flag_upper_bound_is_count : 1;
+
+ /* True if LOW or/and HIGH are resolved into a static bound from
+ a dynamic one. */
+
+ int flag_bound_evaluated : 1;
+};
+
+union type_specific
+{
+ /* * CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to
+ point to cplus_struct_default, a default static instance of a
+ struct cplus_struct_type. */
+
+ struct cplus_struct_type *cplus_stuff;
+
+ /* * GNAT_STUFF is for types for which the GNAT Ada compiler
+ provides additional information. */
+
+ struct gnat_aux_type *gnat_stuff;
+
+ /* * FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to two
+ floatformat objects that describe the floating-point value
+ that resides within the type. The first is for big endian
+ targets and the second is for little endian targets. */
+
+ const struct floatformat **floatformat;
+
+ /* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */
+
+ struct func_type *func_stuff;
+
+ /* * For types that are pointer to member types (TYPE_CODE_METHODPTR,
+ TYPE_CODE_MEMBERPTR), SELF_TYPE is the type that this pointer
+ is a member of. */
+
+ struct type *self_type;
+};
+
/* * Main structure representing a type in GDB.
This structure is space-critical. Its layout has been tweaked to
this is somewhat ugly, but without major overhaul of the internal
type system, it can't be avoided for now. */
- union type_owner
- {
- struct objfile *objfile;
- struct gdbarch *gdbarch;
- } owner;
+ union type_owner owner;
/* * For a pointer type, describes the type of object pointed to.
- For an array type, describes the type of the elements.
union
{
- struct field
- {
- 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. */
-
- 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. */
-
- CORE_ADDR physaddr;
- const char *physname;
-
- /* * The field location can be computed by evaluating the
- following DWARF block. Its DATA is allocated on
- objfile_obstack - no CU load is needed to access it. */
-
- struct dwarf2_locexpr_baton *dwarf_block;
- }
- loc;
-
- /* * For a function or member type, this is 1 if the argument is
- marked artificial. Artificial arguments should not be shown
- to the user. For TYPE_CODE_RANGE it is set if the specific
- bound is not defined. */
- unsigned int artificial : 1;
-
- /* * Discriminant for union field_location. */
- 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
- bits (used only in Ada at the moment).
- For an unpacked field, the field's type's length
- says how many bytes the field occupies. */
-
- unsigned int bitsize : 28;
-
- /* * In a struct or union type, type of this field.
- - In a function or member type, type of this argument.
- - In an array type, the domain-type of the array. */
-
- struct type *type;
-
- /* * Name of field, value or argument.
- NULL for range bounds, array domains, and member function
- arguments. */
-
- const char *name;
- } *fields;
+ struct field *fields;
/* * Union member used for range types. */
- struct range_bounds
- {
- /* * Low bound of range. */
-
- struct dynamic_prop low;
-
- /* * High bound of range. */
-
- struct dynamic_prop high;
-
- /* True if HIGH range bound contains the number of elements in the
- subrange. This affects how the final hight bound is computed. */
-
- int flag_upper_bound_is_count : 1;
-
- /* True if LOW or/and HIGH are resolved into a static bound from
- a dynamic one. */
-
- int flag_bound_evaluated : 1;
- } *bounds;
+ struct range_bounds *bounds;
} flds_bnds;
/* * Slot to point to additional language-specific fields of this
type. */
- union type_specific
- {
- /* * CPLUS_STUFF is for TYPE_CODE_STRUCT. It is initialized to
- point to cplus_struct_default, a default static instance of a
- struct cplus_struct_type. */
-
- struct cplus_struct_type *cplus_stuff;
-
- /* * GNAT_STUFF is for types for which the GNAT Ada compiler
- provides additional information. */
-
- struct gnat_aux_type *gnat_stuff;
-
- /* * FLOATFORMAT is for TYPE_CODE_FLT. It is a pointer to two
- floatformat objects that describe the floating-point value
- that resides within the type. The first is for big endian
- targets and the second is for little endian targets. */
-
- const struct floatformat **floatformat;
-
- /* * For TYPE_CODE_FUNC and TYPE_CODE_METHOD types. */
-
- struct func_type *func_stuff;
-
- /* * For types that are pointer to member types (TYPE_CODE_METHODPTR,
- TYPE_CODE_MEMBERPTR), SELF_TYPE is the type that this pointer
- is a member of. */
-
- struct type *self_type;
- } type_specific;
+ union type_specific type_specific;
/* * Contains a location description value for the current type. Evaluating
this field yields to the location of the data for an object. */
#define NULL_TYPE ((struct type *) 0)
+struct fn_fieldlist
+{
+
+ /* * The overloaded name.
+ This is generally allocated in the objfile's obstack.
+ However stabsread.c sometimes uses malloc. */
+
+ const char *name;
+
+ /* * The number of methods with this name. */
+
+ int length;
+
+ /* * The list of methods. */
+
+ struct fn_field *fn_fields;
+};
+
+
+
+struct fn_field
+{
+ /* * If is_stub is clear, this is the mangled name which we can look
+ up to find the address of the method (FIXME: it would be cleaner
+ to have a pointer to the struct symbol here instead).
+
+ If is_stub is set, this is the portion of the mangled name which
+ specifies the arguments. For example, "ii", if there are two int
+ arguments, or "" if there are no arguments. See gdb_mangle_name
+ for the conversion from this format to the one used if is_stub is
+ clear. */
+
+ const char *physname;
+
+ /* * The function type for the method.
+
+ (This comment used to say "The return value of the method", but
+ that's wrong. The function type is expected here, i.e. something
+ with TYPE_CODE_METHOD, and *not* the return-value type). */
+
+ struct type *type;
+
+ /* * For virtual functions. First baseclass that defines this
+ virtual function. */
+
+ struct type *fcontext;
+
+ /* Attributes. */
+
+ unsigned int is_const:1;
+ 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
+ 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:3;
+
+ /* * Index into that baseclass's virtual function table, minus 2;
+ else if static: VOFFSET_STATIC; else: 0. */
+
+ unsigned int voffset:16;
+
+#define VOFFSET_STATIC 1
+
+};
+
+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;
+};
+
/* * C++ language-specific information for TYPE_CODE_STRUCT and
TYPE_CODE_UNION nodes. */
fn_fieldlists points to an array of nfn_fields of these. */
- struct fn_fieldlist
- {
-
- /* * The overloaded name.
- This is generally allocated in the objfile's obstack.
- However stabsread.c sometimes uses malloc. */
-
- const char *name;
-
- /* * The number of methods with this name. */
-
- int length;
-
- /* * The list of methods. */
-
- struct fn_field
- {
-
- /* * If is_stub is clear, this is the mangled name which
- we can look up to find the address of the method
- (FIXME: it would be cleaner to have a pointer to the
- struct symbol here instead).
-
- If is_stub is set, this is the portion of the mangled
- name which specifies the arguments. For example, "ii",
- if there are two int arguments, or "" if there are no
- arguments. See gdb_mangle_name for the conversion from
- this format to the one used if is_stub is clear. */
-
- const char *physname;
-
- /* * The function type for the method.
-
- (This comment used to say "The return value of the
- method", but that's wrong. The function type is
- expected here, i.e. something with TYPE_CODE_METHOD, and
- *not* the return-value type). */
-
- struct type *type;
-
- /* * For virtual functions.
- First baseclass that defines this virtual function. */
-
- struct type *fcontext;
-
- /* Attributes. */
-
- unsigned int is_const:1;
- 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 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:3;
-
- /* * Index into that baseclass's virtual function table,
- minus 2; else if static: VOFFSET_STATIC; else: 0. */
-
- unsigned int voffset:16;
-
-#define VOFFSET_STATIC 1
-
- }
- *fn_fields;
-
- }
- *fn_fieldlists;
+ struct fn_fieldlist *fn_fieldlists;
/* * 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 typedef_field *typedef_field;
- struct type *type;
- }
- *typedef_field;
unsigned typedef_field_count;
/* * The template arguments. This is an array with
CALL_SITE_PARAMETER_PARAM_OFFSET
};
+struct call_site_target
+{
+ union field_location loc;
+
+ /* * Discriminant for union field_location. */
+
+ ENUM_BITFIELD(field_loc_kind) loc_kind : 3;
+};
+
+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;
+};
+
+struct call_site_parameter
+{
+ ENUM_BITFIELD (call_site_parameter_kind) kind : 2;
+
+ union call_site_parameter_u u;
+
+ /* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_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.
+ It may be NULL if not provided by DWARF. */
+
+ const gdb_byte *data_value;
+ size_t data_value_size;
+};
+
/* * 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. */
/* * Describe DW_AT_GNU_call_site_target. Missing attribute uses
FIELD_LOC_KIND_DWARF_BLOCK with FIELD_DWARF_BLOCK == NULL. */
- struct
- {
- union field_location loc;
-
- /* * Discriminant for union field_location. */
-
- ENUM_BITFIELD(field_loc_kind) loc_kind : 3;
- }
- target;
+ struct call_site_target target;
/* * Size of the PARAMETER array. */
/* * Describe DW_TAG_GNU_call_site's DW_TAG_formal_parameter. */
- struct call_site_parameter
- {
- ENUM_BITFIELD (call_site_parameter_kind) kind : 2;
-
- 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. */
-
- const gdb_byte *value;
- size_t value_size;
-
- /* * DW_TAG_formal_parameter's DW_AT_GNU_call_site_data_value.
- It may be NULL if not provided by DWARF. */
-
- const gdb_byte *data_value;
- size_t data_value_size;
- }
- parameter[1];
+ struct call_site_parameter parameter[1];
};
/* * The default value of TYPE_CPLUS_SPECIFIC(T) points to this shared
projects / deliverable / binutils-gdb.git / blobdiff