1 /*
2 * Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef CPU_X86_STUBROUTINES_X86_HPP
26 #define CPU_X86_STUBROUTINES_X86_HPP
27
28 // This file holds the platform specific parts of the StubRoutines
29 // definition. See stubRoutines.hpp for a description on how to
30 // extend it.
31
32 static bool returns_to_call_stub(address return_pc) { return return_pc == _call_stub_return_address; }
33
34 // emit enum used to size per-blob code buffers
35
36 #define DEFINE_BLOB_SIZE(blob_name, size) \
37 _ ## blob_name ## _code_size = size,
38
39 enum platform_dependent_constants {
40 STUBGEN_ARCH_BLOBS_DO(DEFINE_BLOB_SIZE)
41 };
42
43 #undef DEFINE_BLOB_SIZE
44
45 class x86 {
46 friend class StubGenerator;
47 friend class StubRoutines;
48 friend class VMStructs;
49
50 // declare fields for arch-specific entries
51
52 #define DECLARE_ARCH_ENTRY(arch, blob_name, stub_name, field_name, getter_name) \
53 static address STUB_FIELD_NAME(field_name) ;
54
55 #define DECLARE_ARCH_ENTRY_INIT(arch, blob_name, stub_name, field_name, getter_name, init_function) \
56 DECLARE_ARCH_ENTRY(arch, blob_name, stub_name, field_name, getter_name)
57
58 private:
59 STUBGEN_ARCH_ENTRIES_DO(DECLARE_ARCH_ENTRY, DECLARE_ARCH_ENTRY_INIT)
60
61 #undef DECLARE_ARCH_ENTRY_INIT
62 #undef DECLARE_ARCH_ENTRY
63
64
65 // define getters for arch-specific entries
66
67 #define DEFINE_ARCH_ENTRY_GETTER(arch, blob_name, stub_name, field_name, getter_name) \
68 static address getter_name() { return STUB_FIELD_NAME(field_name); }
69
70 #define DEFINE_ARCH_ENTRY_GETTER_INIT(arch, blob_name, stub_name, field_name, getter_name, init_function) \
71 DEFINE_ARCH_ENTRY_GETTER(arch, blob_name, stub_name, field_name, getter_name)
72
73 public:
74 STUBGEN_ARCH_ENTRIES_DO(DEFINE_ARCH_ENTRY_GETTER, DEFINE_ARCH_ENTRY_GETTER_INIT)
75
76 #undef DEFINE_ARCH_ENTRY_GETTER_INIT
77 #undef DEFINE_ARCH_GETTER_ENTRY
78
79 private:
80 static jint _mxcsr_std;
81 static jint _mxcsr_rz;
82 // masks and table for CRC32
83 static const uint64_t _crc_by128_masks[];
84 static const juint _crc_table[];
85 static const juint _crc_by128_masks_avx512[];
86 static const juint _crc_table_avx512[];
87 static const juint _crc32c_table_avx512[];
88 static const juint _shuf_table_crc32_avx512[];
89 // table for CRC32C
90 static juint* _crc32c_table;
91 // table for arrays_hashcode
92 static const jint _arrays_hashcode_powers_of_31[];
93 //k256 table for sha256
94 static const juint _k256[];
95 static address _k256_adr;
96 static juint _k256_W[];
97 static address _k256_W_adr;
98 static const julong _k512_W[];
99 static address _k512_W_addr;
100
101 public:
102 static address addr_mxcsr_std() { return (address)&_mxcsr_std; }
103 static address addr_mxcsr_rz() { return (address)&_mxcsr_rz; }
104 static address crc_by128_masks_addr() { return (address)_crc_by128_masks; }
105 static address crc_by128_masks_avx512_addr() { return (address)_crc_by128_masks_avx512; }
106 static address shuf_table_crc32_avx512_addr() { return (address)_shuf_table_crc32_avx512; }
107 static address crc_table_avx512_addr() { return (address)_crc_table_avx512; }
108 static address crc32c_table_avx512_addr() { return (address)_crc32c_table_avx512; }
109 static address k256_addr() { return _k256_adr; }
110 static address k256_W_addr() { return _k256_W_adr; }
111 static address k512_W_addr() { return _k512_W_addr; }
112
113 static address arrays_hashcode_powers_of_31() { return (address)_arrays_hashcode_powers_of_31; }
114 static void generate_CRC32C_table(bool is_pclmulqdq_supported);
115 };
116
117 #endif // CPU_X86_STUBROUTINES_X86_HPP