src/hotspot/cpu/ppc/stubRoutines_ppc.hpp
author coleenp
Wed, 14 Aug 2019 10:07:00 -0400
changeset 57745 789e967c2731
parent 53483 60add902a57a
permissions -rw-r--r--
5103339: Strengthen NoSafepointVerifier Summary: Add NSV check at possible safepoint transition or places that could take out locks. Consolidate with clearing unhandled oops. Reviewed-by: dholmes, rehn
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/*
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 * Copyright (c) 2002, 2019, Oracle and/or its affiliates. All rights reserved.
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 * Copyright (c) 2012, 2019, SAP SE. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef CPU_PPC_STUBROUTINES_PPC_HPP
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#define CPU_PPC_STUBROUTINES_PPC_HPP
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// This file holds the platform specific parts of the StubRoutines
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// definition. See stubRoutines.hpp for a description on how to
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// extend it.
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static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
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enum platform_dependent_constants {
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  code_size1 = 20000,          // simply increase if too small (assembler will crash if too small)
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  code_size2 = 24000           // simply increase if too small (assembler will crash if too small)
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};
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// CRC32 Intrinsics.
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#define CRC32_TABLE_SIZE (4 * 256)
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#define REVERSE_CRC32_POLY  0xEDB88320
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#define REVERSE_CRC32C_POLY 0x82F63B78
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#define INVERSE_REVERSE_CRC32_POLY  0x1aab14226ull
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#define INVERSE_REVERSE_CRC32C_POLY 0x105fd79bdull
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#define CRC32_UNROLL_FACTOR 2048
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#define CRC32_UNROLL_FACTOR2 8
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static address generate_crc_constants(juint reverse_poly);
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#endif // CPU_PPC_STUBROUTINES_PPC_HPP