ciExceptionHandler.cpp revision 0:a61af66fc99e
1/*
2 * Copyright 1999-2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25#include "incls/_precompiled.incl"
26#include "incls/_ciExceptionHandler.cpp.incl"
27
28// ciExceptionHandler
29//
30// This class represents an exception handler for a method.
31
32// ------------------------------------------------------------------
33// ciExceptionHandler::catch_klass
34//
35// Get the exception klass that this handler catches.
36ciInstanceKlass* ciExceptionHandler::catch_klass() {
37  assert(!is_catch_all(), "bad index");
38  if (_catch_klass == NULL) {
39    bool will_link;
40    ciKlass* k = CURRENT_ENV->get_klass_by_index(_loading_klass,
41                                                 _catch_klass_index,
42                                                 will_link);
43    if (!will_link && k->is_loaded()) {
44      GUARDED_VM_ENTRY(
45        k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
46      )
47    }
48    _catch_klass = k->as_instance_klass();
49  }
50  return _catch_klass;
51}
52
53// ------------------------------------------------------------------
54// ciExceptionHandler::print()
55void ciExceptionHandler::print() {
56  tty->print("<ciExceptionHandler start=%d limit=%d"
57             " handler_bci=%d ex_klass_index=%d",
58             start(), limit(), handler_bci(), catch_klass_index());
59  if (_catch_klass != NULL) {
60    tty->print(" ex_klass=");
61    _catch_klass->print();
62  }
63  tty->print(">");
64}
65