aoqi@0: /*
gromero@9496:  * Copyright (c) 2002, 2018, Oracle and/or its affiliates. All rights reserved.
gromero@9496:  * Copyright (c) 2012, 2018 SAP SE. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  *
aoqi@0:  */
aoqi@0: 
aoqi@0: #ifndef CPU_PPC_VM_STUBROUTINES_PPC_64_HPP
aoqi@0: #define CPU_PPC_VM_STUBROUTINES_PPC_64_HPP
aoqi@0: 
aoqi@0: // This file holds the platform specific parts of the StubRoutines
aoqi@0: // definition. See stubRoutines.hpp for a description on how to
aoqi@0: // extend it.
aoqi@0: 
gromero@9496: static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
aoqi@0: 
aoqi@0: enum platform_dependent_constants {
aoqi@0:   code_size1 = 20000,          // simply increase if too small (assembler will crash if too small)
ogatak@9713:   code_size2 = 22000           // simply increase if too small (assembler will crash if too small)
aoqi@0: };
aoqi@0: 
gromero@9496: // CRC32 Intrinsics.
gromero@9496: #define CRC32_COLUMN_SIZE 256
gromero@9496: #define CRC32_BYFOUR
gromero@9496: #ifdef  CRC32_BYFOUR
gromero@9496:   #define CRC32_TABLES 8
gromero@9496: #else
gromero@9496:   #define CRC32_TABLES 1
gromero@9496: #endif
mdoerr@9497: #define CRC32_CONSTANTS_SIZE 1084
mdoerr@9497: #define CRC32_BARRET_CONSTANTS 10
gromero@9496: 
gromero@9496: class ppc64 {
gromero@9496:  friend class StubGenerator;
gromero@9496: 
gromero@9496:  private:
gromero@9496: 
gromero@9496:   // CRC32 Intrinsics.
gromero@9496:   static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE];
mdoerr@9497:   static juint* _constants;
mdoerr@9497:   static juint* _barret_constants;
gromero@9496: 
gromero@9496:  public:
gromero@9496: 
gromero@9496:   // CRC32 Intrinsics.
gromero@9496:   static void generate_load_crc_table_addr(MacroAssembler* masm, Register table);
mdoerr@9497:   static void generate_load_crc_constants_addr(MacroAssembler* masm, Register table);
mdoerr@9497:   static void generate_load_crc_barret_constants_addr(MacroAssembler* masm, Register table);
mdoerr@9497:   static juint* generate_crc_constants();
mdoerr@9497:   static juint* generate_crc_barret_constants();
gromero@9496: 
gromero@9496: };
gromero@9496: 
aoqi@0: #endif // CPU_PPC_VM_STUBROUTINES_PPC_64_HPP