Wed, 03 Jul 2019 20:42:37 +0800
Merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #include "precompiled.hpp" |
aoqi@0 | 26 | #include "ci/ciExceptionHandler.hpp" |
aoqi@0 | 27 | #include "ci/ciUtilities.hpp" |
aoqi@0 | 28 | |
aoqi@0 | 29 | // ciExceptionHandler |
aoqi@0 | 30 | // |
aoqi@0 | 31 | // This class represents an exception handler for a method. |
aoqi@0 | 32 | |
aoqi@0 | 33 | // ------------------------------------------------------------------ |
aoqi@0 | 34 | // ciExceptionHandler::catch_klass |
aoqi@0 | 35 | // |
aoqi@0 | 36 | // Get the exception klass that this handler catches. |
aoqi@0 | 37 | ciInstanceKlass* ciExceptionHandler::catch_klass() { |
aoqi@0 | 38 | VM_ENTRY_MARK; |
aoqi@0 | 39 | assert(!is_catch_all(), "bad index"); |
aoqi@0 | 40 | if (_catch_klass == NULL) { |
aoqi@0 | 41 | bool will_link; |
aoqi@0 | 42 | assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool"); |
aoqi@0 | 43 | constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants()); |
aoqi@0 | 44 | ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool, |
aoqi@0 | 45 | _catch_klass_index, |
aoqi@0 | 46 | will_link, |
aoqi@0 | 47 | _loading_klass); |
aoqi@0 | 48 | if (!will_link && k->is_loaded()) { |
aoqi@0 | 49 | GUARDED_VM_ENTRY( |
aoqi@0 | 50 | k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name()); |
aoqi@0 | 51 | ) |
aoqi@0 | 52 | } |
aoqi@0 | 53 | _catch_klass = k->as_instance_klass(); |
aoqi@0 | 54 | } |
aoqi@0 | 55 | return _catch_klass; |
aoqi@0 | 56 | } |
aoqi@0 | 57 | |
aoqi@0 | 58 | // ------------------------------------------------------------------ |
aoqi@0 | 59 | // ciExceptionHandler::print() |
aoqi@0 | 60 | void ciExceptionHandler::print() { |
aoqi@0 | 61 | tty->print("<ciExceptionHandler start=%d limit=%d" |
aoqi@0 | 62 | " handler_bci=%d ex_klass_index=%d", |
aoqi@0 | 63 | start(), limit(), handler_bci(), catch_klass_index()); |
aoqi@0 | 64 | if (_catch_klass != NULL) { |
aoqi@0 | 65 | tty->print(" ex_klass="); |
aoqi@0 | 66 | _catch_klass->print(); |
aoqi@0 | 67 | } |
aoqi@0 | 68 | tty->print(">"); |
aoqi@0 | 69 | } |