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src/share/vm/ci/ciExceptionHandler.cpp@194b8e3a2fc4 (annotated)

src/share/vm/ci/ciExceptionHandler.cpp

Wed, 17 Sep 2008 12:59:52 -0700

author

never

date

Wed, 17 Sep 2008 12:59:52 -0700

changeset 802

194b8e3a2fc4

parent 435

a61af66fc99e

child 1573

dd57230ba8fe

permissions

-rw-r--r--

6384206: Phis which are later unneeded are impairing our ability to inline based on static types
Reviewed-by: rasbold, jrose

duke@435	1	/*
duke@435	2	* Copyright 1999-2003 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() {
duke@435	37	assert(!is_catch_all(), "bad index");
duke@435	38	if (_catch_klass == NULL) {
duke@435	39	bool will_link;
duke@435	40	ciKlass* k = CURRENT_ENV->get_klass_by_index(_loading_klass,
duke@435	41	_catch_klass_index,
duke@435	42	will_link);
duke@435	43	if (!will_link && k->is_loaded()) {
duke@435	44	GUARDED_VM_ENTRY(
duke@435	45	k = CURRENT_ENV->get_unloaded_klass(_loading_klass, k->name());
duke@435	46	)
duke@435	47	}
duke@435	48	_catch_klass = k->as_instance_klass();
duke@435	49	}
duke@435	50	return _catch_klass;
duke@435	51	}
duke@435	52
duke@435	53	// ------------------------------------------------------------------
duke@435	54	// ciExceptionHandler::print()
duke@435	55	void ciExceptionHandler::print() {
duke@435	56	tty->print("<ciExceptionHandler start=%d limit=%d"
duke@435	57	" handler_bci=%d ex_klass_index=%d",
duke@435	58	start(), limit(), handler_bci(), catch_klass_index());
duke@435	59	if (_catch_klass != NULL) {
duke@435	60	tty->print(" ex_klass=");
duke@435	61	_catch_klass->print();
duke@435	62	}
duke@435	63	tty->print(">");
duke@435	64	}