| /* |
| * Copyright (c) 2002, 2017, Oracle and/or its affiliates. All rights reserved. |
| * Copyright (c) 2012, 2017, SAP SE. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| #ifndef CPU_PPC_VM_STUBROUTINES_PPC_HPP |
| #define CPU_PPC_VM_STUBROUTINES_PPC_HPP |
| |
| // This file holds the platform specific parts of the StubRoutines |
| // definition. See stubRoutines.hpp for a description on how to |
| // extend it. |
| |
| static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; } |
| |
| enum platform_dependent_constants { |
| code_size1 = 20000, // simply increase if too small (assembler will crash if too small) |
| code_size2 = 20000 // simply increase if too small (assembler will crash if too small) |
| }; |
| |
| // CRC32 Intrinsics. |
| #define CRC32_COLUMN_SIZE 256 |
| #define CRC32_BYFOUR |
| #ifdef CRC32_BYFOUR |
| #define CRC32_TABLES 8 |
| #else |
| #define CRC32_TABLES 1 |
| #endif |
| #define CRC32_CONSTANTS_SIZE 1084 |
| #define CRC32_BARRET_CONSTANTS 10 |
| |
| class ppc64 { |
| friend class StubGenerator; |
| |
| private: |
| |
| // CRC32 Intrinsics. |
| static juint _crc_table[CRC32_TABLES][CRC32_COLUMN_SIZE]; |
| static juint _crc32c_table[CRC32_TABLES][CRC32_COLUMN_SIZE]; |
| static juint* _constants; |
| static juint* _barret_constants; |
| |
| public: |
| |
| // CRC32 Intrinsics. |
| static void generate_load_table_addr(MacroAssembler* masm, Register table, address table_addr, uint64_t table_contents); |
| static void generate_load_crc_table_addr(MacroAssembler* masm, Register table); |
| static void generate_load_crc32c_table_addr(MacroAssembler* masm, Register table); |
| static void generate_load_crc_constants_addr(MacroAssembler* masm, Register table); |
| static void generate_load_crc_barret_constants_addr(MacroAssembler* masm, Register table); |
| static juint* generate_crc_constants(); |
| static juint* generate_crc_barret_constants(); |
| |
| }; |
| |
| #endif // CPU_PPC_VM_STUBROUTINES_PPC_HPP |