1/*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#include "precompiled.hpp"
26#include "ci/ciExceptionHandler.hpp"
27#include "ci/ciUtilities.inline.hpp"
28#include "runtime/handles.inline.hpp"
29
30// ciExceptionHandler
31//
32// This class represents an exception handler for a method.
33
34// ------------------------------------------------------------------
35// ciExceptionHandler::catch_klass
36//
37// Get the exception klass that this handler catches.
38ciInstanceKlass* ciExceptionHandler::catch_klass() {
39 VM_ENTRY_MARK;
40 assert(!is_catch_all(), "bad index");
41 if (_catch_klass == NULL) {
42 bool will_link;
43 assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
44 constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants());
45 ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool,
46 _catch_klass_index,
47 will_link,
48 _loading_klass);
49 if (!will_link && k->is_loaded()) {
50 GUARDED_VM_ENTRY(
51 k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
52 )
53 }
54 _catch_klass = k->as_instance_klass();
55 }
56 return _catch_klass;
57}
58
59// ------------------------------------------------------------------
60// ciExceptionHandler::print()
61void ciExceptionHandler::print() {
62 tty->print("<ciExceptionHandler start=%d limit=%d"
63 " handler_bci=%d ex_klass_index=%d",
64 start(), limit(), handler_bci(), catch_klass_index());
65 if (_catch_klass != NULL) {
66 tty->print(" ex_klass=");
67 _catch_klass->print();
68 }
69 tty->print(">");
70}
71