# include "mangle.h"
# include "tv_t.h"
# include "irhooks.h"
+# include "irtools.h"
# include "array.h"
ir_type *firm_unknown_type; ir_type *get_unknown_type(void) { return firm_unknown_type; }
-#ifdef DEBUG_libfirm
-/* Returns a new, unique number to number nodes or the like. */
-int get_irp_new_node_nr(void);
-#endif
-
/* Suffixes added to types used for pass-by-value representations. */
static ident *value_params_suffix = NULL;
static ident *value_ress_suffix = NULL;
#ifdef DEBUG_libfirm
return tp->nr;
#else
- return (long)tp;
+ return (long)PTR_TO_INT(tp);
#endif
}
void
set_type_alignment_bits(ir_type *tp, int align) {
assert(tp && tp->kind == k_type);
+ assert((align == -1 || (align & (align - 1)) == 0) && "type alignment not power of two");
/* Methods don't have an alignment. */
if (tp->type_op != type_method) {
tp->align = align;
void
set_type_alignment_bytes(ir_type *tp, int align) {
- set_type_alignment_bits(tp, 8*align);
+ if (align == -1) {
+ set_type_alignment_bits(tp, -1);
+ } else {
+ set_type_alignment_bits(tp, 8*align);
+ }
}
/* Returns a human readable string for the enum entry. */
default: break;
} /* switch (tp) */
}
- if (state = layout_fixed)
+ if (state == layout_fixed)
tp->flags |= tf_layout_fixed;
else
- tp->flags &= tf_layout_fixed;
+ tp->flags &= ~tf_layout_fixed;
}
unsigned long (get_type_visited)(const ir_type *tp) {
res->attr.ca.supertypes = NEW_ARR_F (ir_type *, 0);
res->attr.ca.peculiarity = peculiarity_existent;
res->attr.ca.type_info = NULL;
- res->attr.ca.final = 0;
+ res->attr.ca.vtable_size = 0;
+ res->attr.ca.clss_flags = cf_none;
res->attr.ca.dfn = 0;
hook_new_type(res);
return res;
clss->attr.ca.type_info = ent;
}
-const char *get_peculiarity_string(peculiarity p) {
+const char *get_peculiarity_name(peculiarity p) {
#define X(a) case a: return #a
switch (p) {
X(peculiarity_description);
clss->attr.ca.peculiarity = pec;
}
+/* Returns the size of the virtual function table. */
+unsigned (get_class_vtable_size)(const ir_type *clss) {
+ return _get_class_vtable_size(clss);
+}
+
+/* Sets a new size of the virtual function table. */
+void (set_class_vtable_size)(ir_type *clss, unsigned size) {
+ _set_class_vtable_size(clss, size);
+}
+
+/* Returns non-zero if a class is final. */
int (is_class_final)(const ir_type *clss) {
return _is_class_final(clss);
}
-void (set_class_final)(ir_type *clss, int final) {
- _set_class_final(clss, final);
+/* Sets if a class is final. */
+void (set_class_final)(ir_type *clss, int flag) {
+ _set_class_final(clss, flag);
+}
+
+/* Returns non-zero if a class is an interface. */
+int (is_class_interface)(const ir_type *clss) {
+ return _is_class_interface(clss);
+}
+
+/* Sets the class interface flag. */
+void (set_class_interface)(ir_type *clss, int flag) {
+ _set_class_interface(clss, flag);
+}
+
+/* Returns non-zero if a class is abstract. */
+int (is_class_abstract)(const ir_type *clss) {
+ return _is_class_abstract(clss);
+}
+
+/* Sets the class abstract flag. */
+void (set_class_abstract)(ir_type *clss, int final) {
+ _set_class_abstract(clss, final);
}
void set_class_dfn (ir_type *clss, int dfn) {
build_value_type(ident *name, int len, tp_ent_pair *tps) {
int i;
ir_type *res = new_type_struct(name);
+ res->flags |= tf_value_param_type;
/* Remove type from type list. Must be treated differently than other types. */
remove_irp_type(res);
for (i = 0; i < len; i++) {
ir_type *elt_type = tps[i].tp ? tps[i].tp : res;
tps[i].ent = new_entity(res, mangle_u(name, get_type_ident(elt_type)), elt_type);
+ set_entity_allocation(tps[i].ent, allocation_parameter);
}
return res;
}
assert(array && (array->type_op == type_array));
free(array->attr.aa.lower_bound);
free(array->attr.aa.upper_bound);
+ free(array->attr.aa.order);
}
/* manipulate private fields of array ir_type */
* Not efficient: O(#types).
* If not found returns firm_unknown_type. */
ir_type *find_pointer_type_to_type (ir_type *tp) {
- int i;
- for (i = 0; i < get_irp_n_types(); ++i) {
+ int 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 tp->type_op->flags & TP_OP_FLAG_COMPOUND;
}
-/* Checks, whether a type is a frame ir_type */
+/* Checks, whether a type is a frame type */
int is_frame_type(const ir_type *tp) {
return tp->flags & tf_frame_type;
}
-/* Checks, whether a type is a lowered ir_type */
+/* Checks, whether a type is a value parameter type */
+int is_value_param_type(const ir_type *tp) {
+ return tp->flags & tf_value_param_type;
+}
+
+/* Checks, whether a type is a lowered type */
int is_lowered_type(const ir_type *tp) {
return tp->flags & tf_lowered_type;
}
void set_default_size_bits(ir_type *tp, int size) {
tp->size = size;
}
+
+/*
+ * Allocate an area of size bytes aligned at alignment
+ * at the start or the end of a frame type.
+ * The frame type must have already an fixed layout.
+ */
+entity *frame_alloc_area(ir_type *frame_type, int size, int alignment, int at_start)
+{
+ entity *area;
+ ir_type *tp;
+ ident *name;
+ char buf[32];
+ int frame_align, i, 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);
+
+ if (! a_byte)
+ a_byte = new_type_primitive(new_id_from_chars("byte", 4), mode_Bu);
+
+ snprintf(buf, sizeof(buf), "area%u", area_cnt++);
+ name = new_id_from_str(buf);
+
+ /* align the size */
+ frame_align = get_type_alignment_bytes(frame_type);
+ size = (size + frame_align - 1) & -frame_align;
+
+ tp = new_type_array(mangle_u(get_type_ident(frame_type), name), 1, a_byte);
+ set_array_bounds_int(tp, 0, 0, size);
+ set_type_alignment_bytes(tp, alignment);
+
+ frame_size = get_type_size_bytes(frame_type);
+ if (at_start) {
+ /* fix all offsets so far */
+ for (i = get_class_n_members(frame_type) - 1; i >= 0; --i) {
+ entity *ent = get_class_member(frame_type, i);
+
+ set_entity_offset_bytes(ent, get_entity_offset_bytes(ent) + size);
+ }
+ /* calculate offset and new type size */
+ offset = 0;
+ frame_size += size;
+ }
+ else {
+ /* calculate offset and new type size */
+ offset = (frame_size + alignment - 1) & -alignment;
+ frame_size = offset + size;
+ }
+
+ area = new_entity(frame_type, name, tp);
+ set_entity_offset_bytes(area, offset);
+ set_type_size_bytes(frame_type, frame_size);
+
+ return area;
+}