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. 38 ciInstanceKlass* 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() 61 void 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 }