Thu, 15 Aug 2013 20:04:10 -0400
8003424: Enable Class Data Sharing for CompressedOops
8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server
Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs.
Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | * |
aoqi@0 | 23 | */ |
aoqi@0 | 24 | |
aoqi@0 | 25 | #ifndef CPU_X86_VM_STUBROUTINES_X86_HPP |
aoqi@0 | 26 | #define CPU_X86_VM_STUBROUTINES_X86_HPP |
aoqi@0 | 27 | |
aoqi@0 | 28 | // This file holds the platform specific parts of the StubRoutines |
aoqi@0 | 29 | // definition. See stubRoutines.hpp for a description on how to |
aoqi@0 | 30 | // extend it. |
aoqi@0 | 31 | |
aoqi@0 | 32 | private: |
aoqi@0 | 33 | static address _verify_mxcsr_entry; |
aoqi@0 | 34 | // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers |
aoqi@0 | 35 | static address _key_shuffle_mask_addr; |
aoqi@0 | 36 | // masks and table for CRC32 |
aoqi@0 | 37 | static uint64_t _crc_by128_masks[]; |
aoqi@0 | 38 | static juint _crc_table[]; |
aoqi@0 | 39 | |
aoqi@0 | 40 | public: |
aoqi@0 | 41 | static address verify_mxcsr_entry() { return _verify_mxcsr_entry; } |
aoqi@0 | 42 | static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; } |
aoqi@0 | 43 | static address crc_by128_masks_addr() { return (address)_crc_by128_masks; } |
aoqi@0 | 44 | |
aoqi@0 | 45 | #endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP |