* Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include "firm_common_t.h"
# include <stdlib.h>
# include <stddef.h>
# include "mangle.h"
# include "typegmod.h"
# include "array.h"
+
/* All this is needed to build the constant node for methods: */
# include "irprog_t.h"
# include "ircons.h"
# include "tv_t.h"
+#if DEBUG_libfirm
+# include "irdump.h" /* for output if errors occur. */
+#endif
+
+# include "callgraph.h" /* for dumping debug output */
+
/*******************************************************************/
/** general **/
/*******************************************************************/
}
res->irg = NULL;
+ res->accesses = NULL;
+
#ifdef DEBUG_libfirm
res->nr = get_irp_new_node_nr();
#endif
void
free_entity (entity *ent) {
assert(ent && ent->kind == k_entity);
- free_tarval_entity(ent);
free_entity_attrs(ent);
ent->kind = k_BAD;
free(ent);
ent->values = NEW_ARR_F(ir_node *, 0);
ent->val_paths = NEW_ARR_F(compound_graph_path *, 0);
}
+ if ((is_atomic_type(ent->type)) &&
+ (ent->variability == variability_uninitialized) && (var != variability_uninitialized)) {
+ /* Set default constant value. */
+ ent->value = new_rd_Unknown(get_const_code_irg(), get_type_mode(ent->type));
+ }
if ((is_compound_type(ent->type)) &&
(var == variability_uninitialized) && (ent->variability != variability_uninitialized)) {
path = new_compound_graph_path(owner_tp, 1);
path->nodes[0] = member;
if (is_array_type(owner_tp)) {
+ int max;
+ int i;
+
assert(get_array_n_dimensions(owner_tp) == 1 && has_array_lower_bound(owner_tp, 0));
- int max = get_array_lower_bound_int(owner_tp, 0) -1;
- for (int i = 0; i < get_compound_ent_n_values(ent); ++i) {
+ max = get_array_lower_bound_int(owner_tp, 0) -1;
+ for (i = 0; i < get_compound_ent_n_values(ent); ++i) {
int index = get_compound_graph_path_array_index(get_compound_ent_value_path(ent, i), 0);
- if (index > max) max = index;
+ if (index > max) {
+ max = index;
+ }
}
path->arr_indicees[0] = max + 1;
}
if (is_array_type(owner_tp)) {
int size = get_mode_size_bits (get_type_mode(node_tp));
int align = get_mode_align_bits(get_type_mode(node_tp));
- if (size <= align)
- size = align;
+ if (size < align)
+ size = align;
else {
- assert(size % align == 0);
- /* ansonsten aufrunden */
+ assert(size % align == 0);
+ /* ansonsten aufrunden */
}
offset += size * get_compound_graph_path_array_index(path, i);
} else {
return offset >> 3;
}
+
+static void init_index(type *arr) {
+ int init;
+ int dim = 0;
+
+ assert(get_array_n_dimensions(arr) == 1);
+
+ if (has_array_lower_bound(arr, dim))
+ init = get_array_lower_bound_int(arr, 0) -1;
+ else
+ init = get_array_upper_bound_int(arr, 0) +1;
+
+ set_entity_link(get_array_element_entity(arr), (void *)init);
+}
+
+
+static int get_next_index(entity *elem_ent) {
+ type *arr = get_entity_owner(elem_ent);
+ int next;
+ int dim = 0;
+
+ assert(get_array_n_dimensions(arr) == 1);
+
+ if (has_array_lower_bound(arr, dim)) {
+ next = (int)get_entity_link(elem_ent) +1;
+ if (has_array_upper_bound(arr, dim)) {
+ int upper = get_array_upper_bound_int(arr, dim);
+ if (next == upper) next = get_array_lower_bound_int(arr, dim);
+ }
+ } else {
+ next = (int)get_entity_link(elem_ent) -1;
+ if (has_array_lower_bound(arr, dim)) {
+ int upper = get_array_upper_bound_int(arr, dim);
+ if (next == upper) next = get_array_upper_bound_int(arr, dim);
+ }
+ }
+
+ set_entity_link(elem_ent, (void *)next);
+ return next;
+}
+
+/* Compute the array indicees in compound graph paths of initialized entities.
+ *
+ * All arrays must have fixed lower and upper bounds. One array can
+ * have an open bound. If there are several open bounds, we do
+ * nothing. There must be initializer elements for all array
+ * elements. Uses the link field in the array element entities. The
+ * array bounds must be representable as ints.
+ *
+ * (If the bounds are not representable as ints we have to represent
+ * the indicees as firm nodes. But the still we must be able to
+ * evaluate the index against the upper bound.)
+ */
+void compute_compound_ent_array_indicees(entity *ent) {
+ type *tp = get_entity_type(ent);
+ int i, n_vals;
+ entity *unknown_bound_entity = NULL;
+
+ if (!is_compound_type(tp) ||
+ (ent->variability == variability_uninitialized)) return ;
+
+ n_vals = get_compound_ent_n_values(ent);
+ if (n_vals == 0) return;
+
+ /* We can not compute the indicees if there is more than one array
+ with an unknown bound. For this remember the first entity that
+ represents such an array. It could be ent. */
+ if (is_array_type(tp)) {
+ assert(get_array_n_dimensions(tp) == 1 && "other not implemented");
+ int dim = 0;
+ if (!has_array_lower_bound(tp, dim) || !has_array_upper_bound(tp, dim))
+ unknown_bound_entity = ent;
+ }
+
+ /* Initialize the entity links to lower bound -1 and test all path elements
+ for known bounds. */
+ for (i = 0; i < n_vals; ++i) {
+ compound_graph_path *path = get_compound_ent_value_path(ent, i);
+ int j, path_len = get_compound_graph_path_length(path);
+ for (j = 0; j < path_len; ++j) {
+ entity *node = get_compound_graph_path_node(path, j);
+ type *elem_tp = get_entity_type(node);
+
+ if (is_array_type(elem_tp)) {
+ assert(get_array_n_dimensions(elem_tp) == 1 && "other not implemented");
+ int dim = 0;
+ if (!has_array_lower_bound(elem_tp, dim) || !has_array_upper_bound(elem_tp, dim)) {
+ if (!unknown_bound_entity) unknown_bound_entity = node;
+ if (node != unknown_bound_entity) return;
+ }
+
+ init_index(elem_tp);
+ }
+ }
+ }
+
+ /* Finally compute the indicees ... */
+ for (i = 0; i < n_vals; ++i) {
+ compound_graph_path *path = get_compound_ent_value_path(ent, i);
+ int j, path_len = get_compound_graph_path_length(path);
+ for (j = 0; j < path_len; ++j) {
+ entity *node = get_compound_graph_path_node(path, j);
+ type *owner_tp = get_entity_owner(node);
+ if (is_array_type(owner_tp))
+ set_compound_graph_path_array_index (path, j, get_next_index(node));
+ }
+ }
+
+}
+
+
static int *resize (int *buf, int new_size) {
int *new_buf = (int *)calloc(new_size, 4);
memcpy(new_buf, buf, new_size>1);
assert(pos < size);
assert(permutation[pos] == 0 && "two values with the same offset");
permutation[pos] = i + 1; /* We initialized with 0, so we can not distinguish entry 0.
- So inc all entries by one. */
+ So inc all entries by one. */
//fprintf(stderr, "i: %d, pos: %d \n", i, pos);
}
assert(static_ent && static_ent->kind == k_entity);
res = resolve_ent_polymorphy2(dynamic_class, static_ent);
+#if DEBUG_libfirm
if (!res) {
- fprintf(stderr, " Could not find entity "); DDME(static_ent);
- fprintf(stderr, " in "); DDMT(dynamic_class);
- fprintf(stderr, "\n");
+ printf(" Could not find entity "); DDME(static_ent);
+ printf(" in "); DDMT(dynamic_class);
+ printf("\n");
dump_entity(static_ent);
dump_type(get_entity_owner(static_ent));
dump_type(dynamic_class);
}
+#endif
assert(res);
return res;
}
-
-
-
-/*******************************************************************/
-/** Debug aides **/
-/*******************************************************************/
-
-
-#if 1 || DEBUG_libfirm
-int dump_node_opcode(FILE *F, ir_node *n); /* from irdump.c */
-
-#define X(a) case a: fprintf(stderr, #a); break
-void dump_entity (entity *ent) {
- int i, j;
- type *owner = get_entity_owner(ent);
- type *type = get_entity_type(ent);
- assert(ent && ent->kind == k_entity);
- fprintf(stderr, "entity %s (%ld)\n", get_entity_name(ent), get_entity_nr(ent));
- fprintf(stderr, " type: %s (%ld)\n", get_type_name(type), get_type_nr(type));
- fprintf(stderr, " owner: %s (%ld)\n", get_type_name(owner), get_type_nr(owner));
-
- if (get_entity_n_overwrites(ent) > 0) {
- fprintf(stderr, " overwrites:\n");
- for (i = 0; i < get_entity_n_overwrites(ent); ++i) {
- entity *ov = get_entity_overwrites(ent, i);
- fprintf(stderr, " %d: %s of class %s\n", i, get_entity_name(ov), get_type_name(get_entity_owner(ov)));
- }
- } else {
- fprintf(stderr, " Does not overwrite other entities. \n");
- }
- if (get_entity_n_overwrittenby(ent) > 0) {
- fprintf(stderr, " overwritten by:\n");
- for (i = 0; i < get_entity_n_overwrittenby(ent); ++i) {
- entity *ov = get_entity_overwrittenby(ent, i);
- fprintf(stderr, " %d: %s of class %s\n", i, get_entity_name(ov), get_type_name(get_entity_owner(ov)));
- }
- } else {
- fprintf(stderr, " Is not overwriten by other entities. \n");
- }
-
- fprintf(stderr, " allocation: ");
- switch (get_entity_allocation(ent)) {
- X(allocation_dynamic);
- X(allocation_automatic);
- X(allocation_static);
- X(allocation_parameter);
- }
-
- fprintf(stderr, "\n visibility: ");
- switch (get_entity_visibility(ent)) {
- X(visibility_local);
- X(visibility_external_visible);
- X(visibility_external_allocated);
- }
-
- fprintf(stderr, "\n variability: ");
- switch (get_entity_variability(ent)) {
- X(variability_uninitialized);
- X(variability_initialized);
- X(variability_part_constant);
- X(variability_constant);
- }
-
- if (get_entity_variability(ent) != variability_uninitialized) {
- if (is_atomic_entity(ent)) {
- fprintf(stderr, "\n atomic value: ");
- dump_node_opcode(stdout, get_atomic_ent_value(ent));
- } else {
- fprintf(stderr, "\n compound values:");
- for (i = 0; i < get_compound_ent_n_values(ent); ++i) {
- compound_graph_path *path = get_compound_ent_value_path(ent, i);
- entity *ent0 = get_compound_graph_path_node(path, 0);
- fprintf(stderr, "\n %3d ", get_entity_offset_bits(ent0));
- if (get_type_state(type) == layout_fixed)
- fprintf(stderr, "(%3d) ", get_compound_ent_value_offset_bits(ent, i));
- fprintf(stderr, "%s", get_entity_name(ent0));
- for (j = 0; j < get_compound_graph_path_length(path); ++j) {
- entity *node = get_compound_graph_path_node(path, j);
- fprintf(stderr, ".%s", get_entity_name(node));
- if (is_array_type(get_entity_owner(node)))
- fprintf(stderr, "[%d]", get_compound_graph_path_array_index(path, j));
- }
- fprintf(stderr, "\t = ");
- dump_node_opcode(stdout, get_compound_ent_value(ent, i));
- }
- }
- }
-
- fprintf(stderr, "\n volatility: ");
- switch (get_entity_volatility(ent)) {
- X(volatility_non_volatile);
- X(volatility_is_volatile);
- }
-
- fprintf(stderr, "\n peculiarity: %s", get_peculiarity_string(get_entity_peculiarity(ent)));
- fprintf(stderr, "\n ld_name: %s", ent->ld_name ? get_entity_ld_name(ent) : "no yet set");
- fprintf(stderr, "\n offset: %d", get_entity_offset_bits(ent));
- if (is_method_type(get_entity_type(ent))) {
- if (get_entity_irg(ent)) /* can be null */
- { printf("\n irg = %ld", get_irg_graph_nr(get_entity_irg(ent))); }
- else
- { printf("\n irg = NULL"); }
- }
- fprintf(stderr, "\n\n");
-}
-#undef X
-#else /* DEBUG_libfirm */
-void dump_entity (entity *ent) {}
-#endif /* DEBUG_libfirm */
projects / libfirm / blobdiff