Mercurial > hg > truffle
view src/cpu/sparc/vm/relocInfo_sparc.hpp @ 967:6918603297f7
6858208: jvm crash when specifying TypeProfileWidth=0 on jdk 6.0
Summary: Add an explicit check for TypeProfileWidth == 0 in record_klass_in_profile_helper() functions.
Reviewed-by: never, coleenp
author | poonam |
---|---|
date | Tue, 01 Sep 2009 23:34:08 -0700 |
parents | d1605aabd0a1 |
children | c18cbe5936b8 |
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/* * Copyright 1997-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ // machine-dependent parts of class relocInfo private: enum { // Since SPARC instructions are whole words, // the two low-order offset bits can always be discarded. offset_unit = 4, // There is no need for format bits; the instructions are // sufficiently self-identifying. #ifndef _LP64 format_width = 0 #else // Except narrow oops in 64-bits VM. format_width = 1 #endif }; //Reconciliation History // 1.3 97/10/15 15:38:36 relocInfo_i486.hpp // 1.4 97/12/08 16:01:06 relocInfo_i486.hpp // 1.5 98/01/23 01:34:55 relocInfo_i486.hpp // 1.6 98/02/27 15:44:53 relocInfo_i486.hpp // 1.6 98/03/12 14:47:13 relocInfo_i486.hpp // 1.8 99/06/22 16:37:50 relocInfo_i486.hpp // 1.9 99/07/16 11:12:11 relocInfo_i486.hpp //End