src/share/vm/ci/ciExceptionHandler.cpp

Mon, 26 Apr 2010 23:59:45 -0700

author
never
date
Mon, 26 Apr 2010 23:59:45 -0700
changeset 1832
b4776199210f
parent 1573
dd57230ba8fe
child 1907
c18cbe5936b8
permissions
-rw-r--r--

6943485: JVMTI always on capabilities change code generation too much
Reviewed-by: twisti, dcubed

duke@435 1 /*
twisti@1573 2 * Copyright 1999-2009 Sun Microsystems, Inc. All Rights Reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
duke@435 19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435 20 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435 21 * have any questions.
duke@435 22 *
duke@435 23 */
duke@435 24
duke@435 25 #include "incls/_precompiled.incl"
duke@435 26 #include "incls/_ciExceptionHandler.cpp.incl"
duke@435 27
duke@435 28 // ciExceptionHandler
duke@435 29 //
duke@435 30 // This class represents an exception handler for a method.
duke@435 31
duke@435 32 // ------------------------------------------------------------------
duke@435 33 // ciExceptionHandler::catch_klass
duke@435 34 //
duke@435 35 // Get the exception klass that this handler catches.
duke@435 36 ciInstanceKlass* ciExceptionHandler::catch_klass() {
twisti@1573 37 VM_ENTRY_MARK;
duke@435 38 assert(!is_catch_all(), "bad index");
duke@435 39 if (_catch_klass == NULL) {
duke@435 40 bool will_link;
twisti@1573 41 assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
twisti@1573 42 constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants());
twisti@1573 43 ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool,
duke@435 44 _catch_klass_index,
twisti@1573 45 will_link,
twisti@1573 46 _loading_klass);
duke@435 47 if (!will_link && k->is_loaded()) {
duke@435 48 GUARDED_VM_ENTRY(
duke@435 49 k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
duke@435 50 )
duke@435 51 }
duke@435 52 _catch_klass = k->as_instance_klass();
duke@435 53 }
duke@435 54 return _catch_klass;
duke@435 55 }
duke@435 56
duke@435 57 // ------------------------------------------------------------------
duke@435 58 // ciExceptionHandler::print()
duke@435 59 void ciExceptionHandler::print() {
duke@435 60 tty->print("<ciExceptionHandler start=%d limit=%d"
duke@435 61 " handler_bci=%d ex_klass_index=%d",
duke@435 62 start(), limit(), handler_bci(), catch_klass_index());
duke@435 63 if (_catch_klass != NULL) {
duke@435 64 tty->print(" ex_klass=");
duke@435 65 _catch_klass->print();
duke@435 66 }
duke@435 67 tty->print(">");
duke@435 68 }

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