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src/cpu/sparc/vm/vmreg_sparc.cpp@12f651e29f6b (annotated)

src/cpu/sparc/vm/vmreg_sparc.cpp

Wed, 15 May 2013 11:05:09 +0200

author

tschatzl

date

Wed, 15 May 2013 11:05:09 +0200

changeset 5119

12f651e29f6b

parent 4323

f0c2369fda5a

child 6876

710a3c8b516e

permissions

-rw-r--r--

6843347: Boundary values in some public GC options cause crashes
Summary: Setting some public integer options to specific values causes crashes or undefined GC behavior. This patchset adds the necessary argument checking for these options.
Reviewed-by: jmasa, brutisso

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2006, 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 "code/vmreg.hpp"
duke@435	27
duke@435	28
duke@435	29
duke@435	30	void VMRegImpl::set_regName() {
duke@435	31	Register reg = ::as_Register(0);
duke@435	32	int i;
duke@435	33	for (i = 0; i < ConcreteRegisterImpl::max_gpr ; ) {
duke@435	34	regName[i++ ] = reg->name();
duke@435	35	regName[i++ ] = reg->name();
duke@435	36	reg = reg->successor();
duke@435	37	}
duke@435	38
duke@435	39	FloatRegister freg = ::as_FloatRegister(0);
duke@435	40	for ( ; i < ConcreteRegisterImpl::max_fpr ; ) {
duke@435	41	regName[i++] = freg->name();
duke@435	42	if (freg->encoding() > 31) {
duke@435	43	regName[i++] = freg->name();
duke@435	44	}
duke@435	45	freg = freg->successor();
duke@435	46	}
duke@435	47
duke@435	48	for ( ; i < ConcreteRegisterImpl::number_of_registers ; i ++ ) {
duke@435	49	regName[i] = "NON-GPR-FPR";
duke@435	50	}
duke@435	51	}