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src/share/vm/ci/ciExceptionHandler.cpp@c775af091fe9 (annotated)

src/share/vm/ci/ciExceptionHandler.cpp

Mon, 07 Oct 2013 10:41:56 -0700

author

twisti

date

Mon, 07 Oct 2013 10:41:56 -0700

changeset 5907

c775af091fe9

parent 2314

f95d63e2154a

child 6876

710a3c8b516e

permissions

-rw-r--r--

8025566: EXCEPTION_ACCESS_VIOLATION in compiled by C1 String.valueOf method
Reviewed-by: kvn

duke@435	1	/*
stefank@2314	2	* Copyright (c) 1999, 2010, Oracle and/or its affiliates. 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	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#include "precompiled.hpp"
stefank@2314	26	#include "ci/ciExceptionHandler.hpp"
stefank@2314	27	#include "ci/ciUtilities.hpp"
duke@435	28
duke@435	29	// ciExceptionHandler
duke@435	30	//
duke@435	31	// This class represents an exception handler for a method.
duke@435	32
duke@435	33	// ------------------------------------------------------------------
duke@435	34	// ciExceptionHandler::catch_klass
duke@435	35	//
duke@435	36	// Get the exception klass that this handler catches.
duke@435	37	ciInstanceKlass* ciExceptionHandler::catch_klass() {
twisti@1573	38	VM_ENTRY_MARK;
duke@435	39	assert(!is_catch_all(), "bad index");
duke@435	40	if (_catch_klass == NULL) {
duke@435	41	bool will_link;
twisti@1573	42	assert(_loading_klass->get_instanceKlass()->is_linked(), "must be linked before accessing constant pool");
twisti@1573	43	constantPoolHandle cpool(_loading_klass->get_instanceKlass()->constants());
twisti@1573	44	ciKlass* k = CURRENT_ENV->get_klass_by_index(cpool,
duke@435	45	_catch_klass_index,
twisti@1573	46	will_link,
twisti@1573	47	_loading_klass);
duke@435	48	if (!will_link && k->is_loaded()) {
duke@435	49	GUARDED_VM_ENTRY(
duke@435	50	k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
duke@435	51	)
duke@435	52	}
duke@435	53	_catch_klass = k->as_instance_klass();
duke@435	54	}
duke@435	55	return _catch_klass;
duke@435	56	}
duke@435	57
duke@435	58	// ------------------------------------------------------------------
duke@435	59	// ciExceptionHandler::print()
duke@435	60	void ciExceptionHandler::print() {
duke@435	61	tty->print("<ciExceptionHandler start=%d limit=%d"
duke@435	62	" handler_bci=%d ex_klass_index=%d",
duke@435	63	start(), limit(), handler_bci(), catch_klass_index());
duke@435	64	if (_catch_klass != NULL) {
duke@435	65	tty->print(" ex_klass=");
duke@435	66	_catch_klass->print();
duke@435	67	}
duke@435	68	tty->print(">");
duke@435	69	}