+ {
+ if (targetm.arm_eabi_unwinder)
+ {
+ tree type = VARRAY_TREE (cfun->eh->ehspec_data, i);
+ output_ttype (type, tt_format, tt_format_size);
+ }
+ else
+ dw2_asm_output_data (1, VARRAY_UCHAR (cfun->eh->ehspec_data, i),
+ (i ? NULL : "Exception specification table"));
+ }
+
+ switch_to_section (current_function_section ());
+}
+
+void
+set_eh_throw_stmt_table (struct function *fun, struct htab *table)
+{
+ fun->eh->throw_stmt_table = table;
+}
+
+htab_t
+get_eh_throw_stmt_table (struct function *fun)
+{
+ return fun->eh->throw_stmt_table;
+}
+
+/* Dump EH information to OUT. */
+void
+dump_eh_tree (FILE *out, struct function *fun)
+{
+ struct eh_region *i;
+ int depth = 0;
+ static const char * const type_name[] = {"unknown", "cleanup", "try", "catch",
+ "allowed_exceptions", "must_not_throw",
+ "throw"};
+
+ i = fun->eh->region_tree;
+ if (! i)
+ return;
+
+ fprintf (out, "Eh tree:\n");
+ while (1)
+ {
+ fprintf (out, " %*s %i %s", depth * 2, "",
+ i->region_number, type_name [(int)i->type]);
+ if (i->tree_label)
+ {
+ fprintf (out, " tree_label:");
+ print_generic_expr (out, i->tree_label, 0);
+ }
+ fprintf (out, "\n");
+ /* If there are sub-regions, process them. */
+ if (i->inner)
+ i = i->inner, depth++;
+ /* If there are peers, process them. */
+ else if (i->next_peer)
+ i = i->next_peer;
+ /* Otherwise, step back up the tree to the next peer. */
+ else
+ {
+ do {
+ i = i->outer;
+ depth--;
+ if (i == NULL)
+ return;
+ } while (i->next_peer == NULL);
+ i = i->next_peer;
+ }
+ }
+}
+
+/* Verify some basic invariants on EH datastructures. Could be extended to
+ catch more. */
+void
+verify_eh_tree (struct function *fun)
+{
+ struct eh_region *i, *outer = NULL;
+ bool err = false;
+ int nvisited = 0;
+ int count = 0;
+ int j;
+ int depth = 0;
+
+ i = fun->eh->region_tree;
+ if (! i)
+ return;
+ for (j = fun->eh->last_region_number; j > 0; --j)
+ if ((i = VEC_index (eh_region, cfun->eh->region_array, j)))
+ {
+ count++;
+ if (i->region_number != j)
+ {
+ error ("region_array is corrupted for region %i", i->region_number);
+ err = true;
+ }
+ }
+
+ while (1)
+ {
+ if (VEC_index (eh_region, cfun->eh->region_array, i->region_number) != i)
+ {
+ error ("region_array is corrupted for region %i", i->region_number);
+ err = true;
+ }
+ if (i->outer != outer)
+ {
+ error ("outer block of region %i is wrong", i->region_number);
+ err = true;
+ }
+ if (i->may_contain_throw && outer && !outer->may_contain_throw)
+ {
+ error ("region %i may contain throw and is contained in region that may not",
+ i->region_number);
+ err = true;
+ }
+ if (depth < 0)
+ {
+ error ("negative nesting depth of region %i", i->region_number);
+ err = true;
+ }
+ nvisited ++;
+ /* If there are sub-regions, process them. */
+ if (i->inner)
+ outer = i, i = i->inner, depth++;
+ /* If there are peers, process them. */
+ else if (i->next_peer)
+ i = i->next_peer;
+ /* Otherwise, step back up the tree to the next peer. */
+ else
+ {
+ do {
+ i = i->outer;
+ depth--;
+ if (i == NULL)
+ {
+ if (depth != -1)
+ {
+ error ("tree list ends on depth %i", depth + 1);
+ err = true;
+ }
+ if (count != nvisited)
+ {
+ error ("array does not match the region tree");
+ err = true;
+ }
+ if (err)
+ {
+ dump_eh_tree (stderr, fun);
+ internal_error ("verify_eh_tree failed");
+ }
+ return;
+ }
+ outer = i->outer;
+ } while (i->next_peer == NULL);
+ i = i->next_peer;
+ }
+ }
+}