+int (is_Enumeration_type)(const ir_type *enumeration)
+{
+ return _is_enumeration_type(enumeration);
+}
+
+void set_enumeration_mode(ir_type *tp, ir_mode *mode)
+{
+ assert(mode_is_int(mode) && "Modes of enumerations must be integers");
+ /* For pointer and enumeration size depends on the mode, but only byte size allowed. */
+ assert((get_mode_size_bits(mode) % 8) == 0 && "unorthodox modes not implemented");
+
+ tp->size = get_mode_size_bytes(mode);
+ tp->mode = mode;
+}
+
+
+
+ir_type *new_d_type_pointer(ir_type *points_to, type_dbg_info *db)
+{
+ ir_type *res;
+ ir_mode *mode;
+
+ if (is_Method_type(points_to) || is_code_type(points_to)) {
+ mode = mode_P_code;
+ } else {
+ mode = mode_P_data;
+ }
+
+ res = new_type(type_pointer, mode, db);
+ res->attr.pa.points_to = points_to;
+ assert((get_mode_size_bits(res->mode) % 8 == 0) && "unorthodox modes not implemented");
+ res->size = get_mode_size_bytes(res->mode);
+ res->flags |= tf_layout_fixed;
+ hook_new_type(res);
+ return res;
+}
+
+ir_type *new_type_pointer(ir_type *points_to)
+{
+ return new_d_type_pointer(points_to, NULL);
+}
+
+void free_pointer_entities(ir_type *pointer)
+{
+ (void) pointer;
+ assert(pointer && (pointer->type_op == type_pointer));
+}
+
+void free_pointer_attrs(ir_type *pointer)
+{
+ (void) pointer;
+ assert(pointer && (pointer->type_op == type_pointer));
+}
+
+void set_pointer_points_to_type(ir_type *pointer, ir_type *tp)
+{
+ assert(pointer && (pointer->type_op == type_pointer));
+ pointer->attr.pa.points_to = tp;
+}
+
+ir_type *get_pointer_points_to_type(const ir_type *pointer)
+{
+ assert(pointer && (pointer->type_op == type_pointer));
+ return pointer->attr.pa.points_to;
+}
+
+int (is_Pointer_type)(const ir_type *pointer)
+{
+ return _is_pointer_type(pointer);
+}
+
+void set_pointer_mode(ir_type *tp, ir_mode *mode)
+{
+ assert(mode_is_reference(mode) && "Modes of pointers must be references");
+ /* For pointer and enumeration size depends on the mode, but only byte size allowed. */
+ assert((get_mode_size_bits(mode) & 7) == 0 && "unorthodox modes not implemented");
+
+ tp->size = get_mode_size_bytes(mode);
+ tp->mode = mode;
+}
+
+ir_type *find_pointer_type_to_type(ir_type *tp)
+{
+ size_t i, n = get_irp_n_types();
+ for (i = 0; i < n; ++i) {
+ ir_type *found = get_irp_type(i);
+ if (is_Pointer_type(found) && get_pointer_points_to_type(found) == tp)
+ return (found);
+ }
+ return firm_unknown_type;
+}
+
+
+
+ir_type *new_d_type_primitive(ir_mode *mode, type_dbg_info *db)
+{
+ ir_type *res = new_type(type_primitive, mode, db);
+ res->size = get_mode_size_bytes(mode);
+ res->flags |= tf_layout_fixed;
+ res->attr.ba.base_type = NULL;
+ hook_new_type(res);
+ return res;
+}
+
+ir_type *new_type_primitive(ir_mode *mode)
+{
+ return new_d_type_primitive(mode, NULL);
+}
+
+int (is_Primitive_type)(const ir_type *primitive)
+{
+ return _is_primitive_type(primitive);
+}
+
+void set_primitive_mode(ir_type *tp, ir_mode *mode)
+{
+ /* Modes of primitives must be data */
+ assert(mode_is_data(mode));
+
+ /* For primitive size depends on the mode. */
+ tp->size = get_mode_size_bytes(mode);
+ tp->mode = mode;
+}
+
+ir_type *get_primitive_base_type(const ir_type *tp)
+{
+ assert(is_Primitive_type(tp));
+ return tp->attr.ba.base_type;
+}
+
+void set_primitive_base_type(ir_type *tp, ir_type *base_tp)
+{
+ assert(is_Primitive_type(tp));
+ tp->attr.ba.base_type = base_tp;
+}
+
+
+
+int (is_atomic_type)(const ir_type *tp)
+{
+ return _is_atomic_type(tp);
+}
+
+size_t get_compound_n_members(const ir_type *tp)
+{
+ const tp_op *op = get_type_tpop(tp);
+ return op->ops.get_n_members(tp);
+}
+
+ir_entity *get_compound_member(const ir_type *tp, size_t pos)
+{
+ const tp_op *op = get_type_tpop(tp);
+ return op->ops.get_member(tp, pos);
+}
+
+size_t get_compound_member_index(const ir_type *tp, ir_entity *member)
+{
+ const tp_op *op = get_type_tpop(tp);
+ return op->ops.get_member_index(tp, member);
+}
+
+int is_compound_type(const ir_type *tp)
+{
+ assert(tp->kind == k_type);
+ return tp->type_op->flags & TP_OP_FLAG_COMPOUND;
+}
+
+ident *get_compound_ident(const ir_type *tp)
+{
+ assert(is_compound_type(tp));
+ return tp->name;
+}
+
+const char *get_compound_name(const ir_type *tp)
+{
+ if (get_compound_ident(tp) == NULL)
+ return NULL;
+ return get_id_str(get_compound_ident(tp));
+}
+
+void remove_compound_member(ir_type *compound, ir_entity *entity)
+{
+ switch (get_type_tpop_code(compound)) {
+ case tpo_class: remove_class_member(compound, entity); break;
+ case tpo_struct: remove_struct_member(compound, entity); break;
+ case tpo_union: remove_union_member(compound, entity); break;
+ default:
+ panic("argument for remove_compound_member not a compound type");
+ }
+}
+
+void add_compound_member(ir_type *compound, ir_entity *entity)
+{
+ switch (get_type_tpop_code(compound)) {
+ case tpo_class: add_class_member(compound, entity); break;
+ case tpo_struct: add_struct_member(compound, entity); break;
+ case tpo_union: add_union_member(compound, entity); break;
+ default:
+ panic("argument for add_compound_member not a compound type");
+ }
+}
+
+
+
+int is_code_type(const ir_type *tp)
+{
+ assert(tp && tp->kind == k_type);
+ return tp->type_op == tpop_code;
+}
+
+int is_frame_type(const ir_type *tp)
+{
+ return tp->flags & tf_frame_type;
+}
+
+ir_type *new_type_frame(void)
+{
+ ir_type *res = new_type_class(new_id_from_str("<frame_type>"));
+
+ res->flags |= tf_frame_type;
+
+ /* It is not possible to derive from the frame type. Set the final flag. */
+ set_class_final(res, 1);
+
+ return res;
+}
+
+ir_type *clone_frame_type(ir_type *type)
+{
+ ir_type *res;
+ size_t i, n;
+
+ assert(is_frame_type(type));
+ /* the entity link resource should be allocated if this function is called */
+ assert(irp_resources_reserved(irp) & IRP_RESOURCE_ENTITY_LINK);
+
+ res = new_type_frame();
+ for (i = 0, n = get_class_n_members(type); i < n; ++i) {
+ ir_entity *ent = get_class_member(type, i);
+ ir_entity *nent = copy_entity_own(ent, res);
+ set_entity_link(ent, nent);
+ set_entity_link(nent, ent);
+ }
+ return res;
+}
+
+void set_default_size(ir_type *tp, unsigned size)
+{
+ tp->size = size;
+}
+
+void default_layout_compound_type(ir_type *type)
+{
+ size_t i;
+ size_t n = get_compound_n_members(type);
+ int size = 0;
+ unsigned align_all = 1;
+
+ for (i = 0; i < n; ++i) {
+ ir_entity *entity = get_compound_member(type, i);
+ ir_type *entity_type = get_entity_type(entity);
+ unsigned align;
+ unsigned misalign;
+
+ if (is_Method_type(entity_type))
+ continue;
+
+ assert(get_type_state(entity_type) == layout_fixed);
+ align = get_type_alignment_bytes(entity_type);
+ align_all = align > align_all ? align : align_all;
+ misalign = (align ? size % align : 0);
+ size += (misalign ? align - misalign : 0);
+
+ set_entity_offset(entity, size);
+ if (!is_Union_type(type)) {
+ size += get_type_size_bytes(entity_type);
+ }
+ }
+ if (align_all > 0 && size % align_all) {
+ size += align_all - (size % align_all);
+ }
+ if (align_all > get_type_alignment_bytes(type)) {
+ set_type_alignment_bytes(type, align_all);
+ }
+ set_type_size_bytes(type, size);
+ set_type_state(type, layout_fixed);
+}
+
+ir_entity *frame_alloc_area(ir_type *frame_type, int size, unsigned alignment,
+ int at_start)
+{
+ ir_entity *area;
+ ir_type *tp;
+ ident *name;
+ char buf[32];
+ int offset, frame_size;
+ static unsigned area_cnt = 0;
+ static ir_type *a_byte = NULL;
+
+ assert(is_frame_type(frame_type));
+ assert(get_type_state(frame_type) == layout_fixed);
+ assert(get_type_alignment_bytes(frame_type) > 0);
+ set_type_state(frame_type, layout_undefined);
+
+ if (! a_byte)
+ a_byte = new_type_primitive(mode_Bu);
+
+ snprintf(buf, sizeof(buf), "area%u", area_cnt++);
+ name = new_id_from_str(buf);
+
+ tp = new_type_array(1, a_byte);
+ set_array_bounds_int(tp, 0, 0, size);
+ set_type_alignment_bytes(tp, alignment);
+ set_type_size_bytes(tp, size);
+
+ frame_size = get_type_size_bytes(frame_type);
+ if (at_start) {
+ size_t i, n;
+ unsigned frame_align = get_type_alignment_bytes(frame_type);
+ unsigned delta = (size + frame_align - 1) & ~(frame_align - 1);
+ /* fix all offsets so far */
+ for (i = 0, n = get_class_n_members(frame_type); i < n; ++i) {
+ ir_entity *ent = get_class_member(frame_type, i);
+
+ set_entity_offset(ent, get_entity_offset(ent) + delta);
+ }
+ /* calculate offset and new type size */
+ offset = 0;
+ frame_size += delta;
+
+ /* increase size to match alignment... */
+ if (alignment > frame_align) {
+ frame_align = alignment;
+ set_type_alignment_bytes(frame_type, frame_align);
+ frame_size = (frame_size + frame_align - 1) & ~(frame_align - 1);
+ }
+ } else {
+ /* calculate offset and new type size */
+ offset = (frame_size + alignment - 1) & ~(alignment - 1);
+ frame_size = offset + size;
+ }
+
+ area = new_entity(frame_type, name, tp);
+ set_entity_offset(area, offset);
+ set_type_size_bytes(frame_type, frame_size);
+
+ /* mark this entity as compiler generated */
+ set_entity_compiler_generated(area, 1);
+
+ set_type_state(frame_type, layout_fixed);
+ return area;
+}
+
+void ir_print_type(char *buffer, size_t buffer_size, const ir_type *type)
+{
+ ident *id;
+ int p;
+ type_dbg_info *tdbgi = get_type_dbg_info(type);
+ if (tdbgi != NULL) {
+ ir_retrieve_type_dbg_info(buffer, buffer_size, tdbgi);
+ return;
+ }
+
+ /* we have to construct some name... */
+ switch (get_type_tpop_code(type)) {
+ case tpo_uninitialized:
+ break;
+ case tpo_code:
+ snprintf(buffer, buffer_size, "code");
+ return;
+
+ case tpo_class:
+ id = get_class_ident(type);
+ snprintf(buffer, buffer_size, "class '%s'", get_id_str(id));
+ return;
+
+ case tpo_struct:
+ id = get_struct_ident(type);
+ snprintf(buffer, buffer_size, "struct '%s'", get_id_str(id));
+ return;
+
+ case tpo_union:
+ id = get_union_ident(type);
+ snprintf(buffer, buffer_size, "union '%s'", get_id_str(id));
+ return;
+
+ case tpo_enumeration:
+ id = get_enumeration_ident(type);
+ snprintf(buffer, buffer_size, "enumeration '%s'", get_id_str(id));
+ return;
+
+ case tpo_unknown:
+ snprintf(buffer, buffer_size, "unknown type");
+ return;
+
+ case tpo_pointer:
+ p = snprintf(buffer, buffer_size, "pointer to ");
+ buffer += p;
+ buffer_size -= p;
+ ir_print_type(buffer, buffer_size, get_pointer_points_to_type(type));
+ return;
+
+ case tpo_array:
+ p = snprintf(buffer, buffer_size, "array of ");
+ buffer += p;
+ buffer_size -= p;
+ ir_print_type(buffer, buffer_size, get_array_element_type(type));
+ return;
+
+ case tpo_primitive:
+ id = get_mode_ident(get_type_mode(type));
+ snprintf(buffer, buffer_size, "%s", get_id_str(id));
+ return;
+
+ case tpo_none:
+ snprintf(buffer, buffer_size, "none");
+ return;
+ case tpo_method:
+ /* TODO: we should print argument and return types here... */
+ snprintf(buffer, buffer_size, "method type");
+ return;
+ }
+ snprintf(buffer, buffer_size, "invalid type");