+struct reg_feature {
+ const char *name;
+};
+
+struct reg_data_type_vector {
+ struct reg_data_type *type;
+ uint32_t count;
+};
+
+struct reg_data_type_union_field {
+ const char *name;
+ struct reg_data_type *type;
+ struct reg_data_type_union_field *next;
+};
+
+struct reg_data_type_union {
+ struct reg_data_type_union_field *fields;
+};
+
+struct reg_data_type_bitfield {
+ uint32_t start;
+ uint32_t end;
+ enum reg_type type;
+};
+
+struct reg_data_type_struct_field {
+ const char *name;
+ bool use_bitfields;
+ union {
+ struct reg_data_type_bitfield *bitfield;
+ struct reg_data_type *type;
+ };
+ struct reg_data_type_struct_field *next;
+};
+
+struct reg_data_type_struct {
+ uint32_t size;
+ struct reg_data_type_struct_field *fields;
+};
+
+struct reg_data_type_flags_field {
+ const char *name;
+ struct reg_data_type_bitfield *bitfield;
+ struct reg_data_type_flags_field *next;
+};
+
+struct reg_data_type_flags {
+ uint32_t size;
+ struct reg_data_type_flags_field *fields;
+};
+
+enum reg_data_type_class {
+ REG_TYPE_CLASS_VECTOR,
+ REG_TYPE_CLASS_UNION,
+ REG_TYPE_CLASS_STRUCT,
+ REG_TYPE_CLASS_FLAGS,
+};
+
+struct reg_data_type {
+ enum reg_type type;
+ const char *id;
+ enum reg_data_type_class type_class;
+ union {
+ struct reg_data_type_vector *reg_type_vector;
+ struct reg_data_type_union *reg_type_union;
+ struct reg_data_type_struct *reg_type_struct;
+ struct reg_data_type_flags *reg_type_flags;
+ };
+};
+
+struct reg {
+ /* Canonical name of the register. */
+ const char *name;
+ /* Number that gdb uses to access this register. */
+ uint32_t number;
+ /* TODO. This should probably be const. */
+ struct reg_feature *feature;
+ /* TODO: When true, the caller will save this register before running any algorithm. */
+ bool caller_save;
+ /* Pointer to place where the value is stored, in the format understood by
+ * the binarybuffer.h functions. */