/*
- * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
*
* This file is part of libFirm.
*
/* construct none and unknown type. */
firm_none_type = new_type(tpop_none, mode_BAD, new_id_from_str("type_none"), builtin_db);
- set_type_size_bits(firm_none_type, 0);
+ set_type_size_bytes(firm_none_type, 0);
set_type_state (firm_none_type, layout_fixed);
remove_irp_type(firm_none_type);
firm_unknown_type = new_type(tpop_unknown, mode_ANY, new_id_from_str("type_unknown"), builtin_db);
- set_type_size_bits(firm_unknown_type, 0);
+ set_type_size_bytes(firm_unknown_type, 0);
set_type_state (firm_unknown_type, layout_fixed);
remove_irp_type(firm_unknown_type);
}
res->name = name;
res->visibility = visibility_external_allocated;
res->flags = tf_none;
- res->size = -1;
- res->align = -1;
+ res->size = 0;
+ res->align = 0;
res->visit = 0;
res->link = NULL;
res->dbi = db;
return (get_id_str(tp->name));
}
-int (get_type_size_bytes)(const ir_type *tp) {
+unsigned (get_type_size_bytes)(const ir_type *tp) {
return _get_type_size_bytes(tp);
}
-int (get_type_size_bits)(const ir_type *tp) {
- return _get_type_size_bits(tp);
-}
-
-
ir_visibility get_type_visibility(const ir_type *tp) {
#if 0
visibility res = visibility_local;
}
void
-set_type_size_bits(ir_type *tp, int size) {
+set_type_size_bytes(ir_type *tp, unsigned size) {
const tp_op *tpop = get_type_tpop(tp);
if (tpop->ops.set_type_size)
assert(0 && "Cannot set size for this type");
}
-void
-set_type_size_bytes(ir_type *tp, int size) {
- set_type_size_bits(tp, 8*size);
-}
-
-int get_type_alignment_bytes(ir_type *tp) {
- int align = get_type_alignment_bits(tp);
-
- return align < 0 ? align : (align + 7) >> 3;
-}
-
-int get_type_alignment_bits(ir_type *tp) {
- int align = 8;
+unsigned get_type_alignment_bytes(ir_type *tp) {
+ unsigned align = 1;
if (tp->align > 0)
return tp->align;
/* alignment NOT set calculate it "on demand" */
if (tp->mode)
- align = get_mode_size_bits(tp->mode);
+ align = (get_mode_size_bits(tp->mode) + 7) >> 3;
else if (is_Array_type(tp))
- align = get_type_alignment_bits(get_array_element_type(tp));
+ align = get_type_alignment_bytes(get_array_element_type(tp));
else if (is_compound_type(tp)) {
int i, n = get_compound_n_members(tp);
align = 0;
for (i = 0; i < n; ++i) {
- ir_type *t = get_entity_type(get_compound_member(tp, i));
- int a = get_type_alignment_bits(t);
+ ir_type *t = get_entity_type(get_compound_member(tp, i));
+ unsigned a = get_type_alignment_bytes(t);
if (a > align)
align = a;
}
void
-set_type_alignment_bits(ir_type *tp, int align) {
+set_type_alignment_bytes(ir_type *tp, unsigned 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) {
- 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. */
-const char *get_type_state_name(type_state s) {
+const char *get_type_state_name(ir_type_state s) {
#define X(a) case a: return #a;
switch (s) {
X(layout_undefined);
}
-type_state (get_type_state)(const ir_type *tp) {
+ir_type_state (get_type_state)(const ir_type *tp) {
return _get_type_state(tp);
}
void
-set_type_state(ir_type *tp, type_state state) {
+set_type_state(ir_type *tp, ir_type_state state) {
assert(tp && tp->kind == k_type);
if ((tp->type_op == type_pointer) || (tp->type_op == type_primitive) ||
int i;
switch (get_type_tpop_code(tp)) {
case tpo_class:
- assert(get_type_size_bits(tp) > -1);
if (tp != get_glob_type()) {
int n_mem = get_class_n_members(tp);
for (i = 0; i < n_mem; i++) {
}
break;
case tpo_struct:
- assert(get_type_size_bits(tp) > -1);
for (i = 0; i < get_struct_n_members(tp); i++) {
assert(get_entity_offset(get_struct_member(tp, i)) > -1);
assert((get_entity_allocation(get_struct_member(tp, i)) == allocation_automatic));
(get_type_state(typ1) != get_type_state(typ2)))
return 0;
if ((get_type_state(typ1) == layout_fixed) &&
- (get_type_size_bits(typ1) != get_type_size_bits(typ2)))
+ (get_type_size_bytes(typ1) != get_type_size_bytes(typ2)))
return 0;
switch (get_type_tpop_code(typ1)) {
(get_type_state(let) != layout_fixed))
return 0;
if (!smaller_type(set, let) ||
- get_type_size_bits(set) != get_type_size_bits(let))
+ get_type_size_bytes(set) != get_type_size_bytes(let))
return 0;
}
for(i = 0; i < get_array_n_dimensions(st); i++) {
void set_class_mode(ir_type *tp, ir_mode *mode) {
/* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */
assert(get_type_state(tp) == layout_fixed &&
- tp->size == get_mode_size_bits(mode) && "mode don't match class layout");
+ tp->size == get_mode_size_bytes(mode) && "mode don't match class layout");
tp->mode = mode;
}
-void set_class_size_bits(ir_type *tp, int size) {
- /* argh: we must allow to set negative values as "invalid size" */
- tp->size = (size >= 0) ? (size + 7) & ~7 : size;
- assert(tp->size == size && "setting a bit size is NOT allowed for this type");
+void set_class_size(ir_type *tp, unsigned size) {
+ tp->size = size;
}
/*----------------------------------------------------------------**/
void set_struct_mode(ir_type *tp, ir_mode *mode) {
/* for classes and structs we allow to set a mode if the layout is fixed AND the size matches */
assert(get_type_state(tp) == layout_fixed &&
- tp->size == get_mode_size_bits(mode) && "mode don't match struct layout");
+ tp->size == get_mode_size_bytes(mode) && "mode don't match struct layout");
tp->mode = mode;
}
-void set_struct_size_bits(ir_type *tp, int size) {
- /* argh: we must allow to set negative values as "invalid size" */
- tp->size = (size >= 0) ? (size + 7) & ~7 : size;
- assert(tp->size == size && "setting a bit size is NOT allowed for this type");
+void set_struct_size(ir_type *tp, unsigned size) {
+ tp->size = size;
}
/*******************************************************************/
ir_type *new_d_type_method(ident *name, int n_param, int n_res, dbg_info *db) {
ir_type *res;
- assert((get_mode_size_bytes(mode_P_code) != -1) && "unorthodox modes not implemented");
+ assert((get_mode_size_bits(mode_P_code) % 8 != 0) && "unorthodox modes not implemented");
res = new_type(type_method, mode_P_code, name, db);
res->flags |= tf_layout_fixed;
- res->size = get_mode_size_bits(mode_P_code);
+ res->size = get_mode_size_bytes(mode_P_code);
res->attr.ma.n_params = n_param;
res->attr.ma.params = xcalloc(n_param, sizeof(res->attr.ma.params[0]));
res->attr.ma.value_params = NULL;
return new_d_type_method(name, n_param, n_res, NULL);
}
+/* clone an existing method type */
+ir_type *clone_type_method(ir_type *tp, ident *prefix) {
+ ir_type *res;
+ ident *name;
+ ir_mode *mode;
+ int n_params, n_res;
+ dbg_info *db;
+
+ assert(is_Method_type(tp));
+
+ name = tp->name;
+ if (prefix != NULL)
+ name = mangle(prefix, name);
+
+ mode = tp->mode;
+ n_params = tp->attr.ma.n_params;
+ n_res = tp->attr.ma.n_res;
+ db = tp->dbi;
+
+ res = new_type(type_method, mode, name, db);
+
+ res->flags = tp->flags;
+ res->size = tp->size;
+ res->attr.ma.n_params = n_params;
+ res->attr.ma.params = xcalloc(n_params, sizeof(res->attr.ma.params[0]));
+ memcpy(res->attr.ma.params, tp->attr.ma.params, n_params * sizeof(res->attr.ma.params[0]));
+ res->attr.ma.value_params = tp->attr.ma.value_params;
+ res->attr.ma.n_res = n_res;
+ res->attr.ma.res_type = xcalloc(n_res, sizeof(res->attr.ma.res_type[0]));
+ memcpy(res->attr.ma.res_type, tp->attr.ma.res_type, n_res * sizeof(res->attr.ma.res_type[0]));
+ res->attr.ma.value_ress = tp->attr.ma.value_ress;
+ res->attr.ma.variadicity = tp->attr.ma.variadicity;
+ res->attr.ma.first_variadic_param = tp->attr.ma.first_variadic_param;
+ res->attr.ma.additional_properties = tp->attr.ma.additional_properties;
+ res->attr.ma.irg_calling_conv = tp->attr.ma.irg_calling_conv;
+ hook_new_type(res);
+ return res;
+}
+
void free_method_entities(ir_type *method) {
(void) method;
assert(method && (method->type_op == type_method));
assert(method && (method->type_op == type_method));
free(method->attr.ma.params);
free(method->attr.ma.res_type);
+ /* cannot free it yet, type could be cloned ...
if (method->attr.ma.value_params) {
free_type_entities(method->attr.ma.value_params);
free_type(method->attr.ma.value_params);
}
+ */
if (method->attr.ma.value_ress) {
free_type_entities(method->attr.ma.value_ress);
free_type(method->attr.ma.value_ress);
return _is_union_type(uni);
}
-void set_union_size_bits(ir_type *tp, int size) {
- /* argh: we must allow to set negative values as "invalid size" */
- tp->size = (size >= 0) ? (size + 7) & ~7 : size;
- assert(tp->size == size && "setting a bit size is NOT allowed for this type");
+void set_union_size(ir_type *tp, unsigned size) {
+ tp->size = size;
}
/*-----------------------------------------------------------------*/
return _is_array_type(array);
}
-void set_array_size_bits(ir_type *tp, int size) {
+void set_array_size(ir_type *tp, unsigned size) {
/* FIXME: Here we should make some checks with the element type size */
tp->size = size;
}
/* 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_bits(mode);
+ tp->size = get_mode_size_bytes(mode);
tp->mode = mode;
}
assert(mode_is_reference(ptr_mode));
res = new_type(type_pointer, ptr_mode, name, db);
res->attr.pa.points_to = points_to;
- assert((get_mode_size_bytes(res->mode) != -1) && "unorthodox modes not implemented");
- res->size = get_mode_size_bits(res->mode);
+ 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;
/* 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_bits(mode);
+ tp->size = get_mode_size_bytes(mode);
tp->mode = mode;
}
/* create a new type primitive */
ir_type *new_d_type_primitive(ident *name, ir_mode *mode, dbg_info *db) {
ir_type *res = new_type(type_primitive, mode, name, db);
- res->size = get_mode_size_bits(mode);
+ res->size = get_mode_size_bytes(mode);
res->flags |= tf_layout_fixed;
res->attr.ba.base_type = NULL;
hook_new_type(res);
assert(mode_is_data(mode));
/* For primitive size depends on the mode. */
- tp->size = get_mode_size_bits(mode);
+ tp->size = get_mode_size_bytes(mode);
tp->mode = mode;
}
}
/* set the type size for the unknown and none ir_type */
-void set_default_size_bits(ir_type *tp, int size) {
+void set_default_size(ir_type *tp, unsigned size) {
tp->size = size;
}
* at the start or the end of a frame type.
* The frame type must have already an fixed layout.
*/
-ir_entity *frame_alloc_area(ir_type *frame_type, int size, int alignment, int at_start) {
- ir_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);
- assert(get_type_alignment_bytes(frame_type) > 0);
-
- 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) {
- ir_entity *ent = get_class_member(frame_type, i);
-
- set_entity_offset(ent, get_entity_offset(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(area, offset);
- set_type_size_bytes(frame_type, frame_size);
-
- /* mark this entity as compiler generated */
- set_entity_compiler_generated(area, 1);
- return area;
+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];
+ unsigned frame_align;
+ int 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);
+ assert(get_type_alignment_bytes(frame_type) > 0);
+
+ 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 - 1);
+
+ 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) {
+ ir_entity *ent = get_class_member(frame_type, i);
+
+ set_entity_offset(ent, get_entity_offset(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 - 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);
+ return area;
}
projects / libfirm / blobdiff