1 /*
2 * Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2014, Red Hat Inc. All rights reserved.
4 * Copyright (c) 2020, 2022, Huawei Technologies Co., Ltd. All rights reserved.
5 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 *
7 * This code is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 only, as
9 * published by the Free Software Foundation.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 *
25 */
26
27 #ifndef CPU_RISCV_STUBROUTINES_RISCV_HPP
28 #define CPU_RISCV_STUBROUTINES_RISCV_HPP
29
30 // This file holds the platform specific parts of the StubRoutines
31 // definition. See stubRoutines.hpp for a description on how to
32 // extend it.
33
34 static bool returns_to_call_stub(address return_pc) {
35 return return_pc == _call_stub_return_address;
36 }
37
38 enum platform_dependent_constants {
39 code_size1 = 19000, // simply increase if too small (assembler will crash if too small)
40 code_size2 = 28000 // simply increase if too small (assembler will crash if too small)
41 };
42
43 class riscv {
44 friend class StubGenerator;
45
46 private:
47 static address _get_previous_sp_entry;
48
49 static address _f2i_fixup;
50 static address _f2l_fixup;
51 static address _d2i_fixup;
52 static address _d2l_fixup;
53
54 static address _float_sign_mask;
55 static address _float_sign_flip;
56 static address _double_sign_mask;
57 static address _double_sign_flip;
58
59 static address _zero_blocks;
60
61 static address _compare_long_string_LL;
62 static address _compare_long_string_LU;
63 static address _compare_long_string_UL;
64 static address _compare_long_string_UU;
65 static address _string_indexof_linear_ll;
66 static address _string_indexof_linear_uu;
67 static address _string_indexof_linear_ul;
68 static address _large_byte_array_inflate;
69
70 static address _method_entry_barrier;
71
72 static bool _completed;
73
74 public:
75
76 static address get_previous_sp_entry() {
77 return _get_previous_sp_entry;
78 }
79
80 static address f2i_fixup() {
81 return _f2i_fixup;
82 }
83
84 static address f2l_fixup() {
85 return _f2l_fixup;
86 }
87
88 static address d2i_fixup() {
89 return _d2i_fixup;
90 }
91
92 static address d2l_fixup() {
93 return _d2l_fixup;
94 }
95
96 static address float_sign_mask() {
97 return _float_sign_mask;
98 }
99
100 static address float_sign_flip() {
101 return _float_sign_flip;
102 }
103
104 static address double_sign_mask() {
105 return _double_sign_mask;
106 }
107
108 static address double_sign_flip() {
109 return _double_sign_flip;
110 }
111
112 static address zero_blocks() {
113 return _zero_blocks;
114 }
115
116 static address compare_long_string_LL() {
117 return _compare_long_string_LL;
118 }
119
120 static address compare_long_string_LU() {
121 return _compare_long_string_LU;
122 }
123
124 static address compare_long_string_UL() {
125 return _compare_long_string_UL;
126 }
127
128 static address compare_long_string_UU() {
129 return _compare_long_string_UU;
130 }
131
132 static address string_indexof_linear_ul() {
133 return _string_indexof_linear_ul;
134 }
135
136 static address string_indexof_linear_ll() {
137 return _string_indexof_linear_ll;
138 }
139
140 static address string_indexof_linear_uu() {
141 return _string_indexof_linear_uu;
142 }
143
144 static address large_byte_array_inflate() {
145 return _large_byte_array_inflate;
146 }
147
148 static address method_entry_barrier() {
149 return _method_entry_barrier;
150 }
151
152 static bool complete() {
153 return _completed;
154 }
155
156 static void set_completed() {
157 _completed = true;
158 }
159 };
160
161 #endif // CPU_RISCV_STUBROUTINES_RISCV_HPP