1 /*
2 * Copyright (c) 2003, 2025, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008, 2009, 2010, 2011 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #include "asm/assembler.hpp"
27 #include "interpreter/interpreter.hpp"
28 #include "interpreter/interpreterRuntime.hpp"
29 #include "interpreter/zero/bytecodeInterpreter.hpp"
30 #include "interpreter/zero/zeroInterpreter.hpp"
31 #include "oops/method.hpp"
32 #include "zeroInterpreterGenerator.hpp"
33
34 ZeroInterpreterGenerator::ZeroInterpreterGenerator(): AbstractInterpreterGenerator() {
35 generate_all();
36 }
37
38 void ZeroInterpreterGenerator::generate_all() {
39 { CodeletMark cm(_masm, "slow signature handler");
40 AbstractInterpreter::_slow_signature_handler = generate_slow_signature_handler();
41 }
42
43 #define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind)
44
45 { CodeletMark cm(_masm, "(kind = frame_manager)");
46 // all non-native method kinds
47 method_entry(zerolocals);
48 method_entry(zerolocals_synchronized);
49 method_entry(empty);
50 method_entry(getter);
51 method_entry(setter);
52 method_entry(abstract);
53 method_entry(java_lang_math_sin );
54 method_entry(java_lang_math_cos );
55 method_entry(java_lang_math_tan );
56 method_entry(java_lang_math_tanh );
57 method_entry(java_lang_math_abs );
58 method_entry(java_lang_math_sqrt );
59 method_entry(java_lang_math_sqrt_strict);
60 method_entry(java_lang_math_log );
61 method_entry(java_lang_math_log10 );
62 method_entry(java_lang_math_pow );
63 method_entry(java_lang_math_exp );
64 method_entry(java_lang_math_fmaD );
65 method_entry(java_lang_math_fmaF );
66 method_entry(java_lang_ref_reference_get);
67
68 AbstractInterpreter::initialize_method_handle_entries();
69
70 method_entry(native);
71 method_entry(native_synchronized);
72 }
73
74 #undef method_entry
75 }
76
77 // Generate method entries
78 address ZeroInterpreterGenerator::generate_method_entry(
79 AbstractInterpreter::MethodKind kind) {
80 // determine code generation flags
81 bool native = false;
82 bool synchronized = false;
83 address entry_point = nullptr;
84
85 switch (kind) {
86 case Interpreter::zerolocals : break;
87 case Interpreter::zerolocals_synchronized: synchronized = true; break;
88 case Interpreter::native : native = true; break;
89 case Interpreter::native_synchronized : native = true; synchronized = true; break;
90 case Interpreter::empty : entry_point = generate_empty_entry(); break;
91 case Interpreter::getter : entry_point = generate_getter_entry(); break;
92 case Interpreter::setter : entry_point = generate_setter_entry(); break;
93 case Interpreter::abstract : entry_point = generate_abstract_entry(); break;
94
95 case Interpreter::java_lang_math_sin : // fall thru
96 case Interpreter::java_lang_math_cos : // fall thru
97 case Interpreter::java_lang_math_tan : // fall thru
98 case Interpreter::java_lang_math_tanh : // fall thru
99 case Interpreter::java_lang_math_abs : // fall thru
100 case Interpreter::java_lang_math_log : // fall thru
101 case Interpreter::java_lang_math_log10 : // fall thru
102 case Interpreter::java_lang_math_sqrt : // fall thru
103 case Interpreter::java_lang_math_sqrt_strict: // fall thru
104 case Interpreter::java_lang_math_pow : // fall thru
105 case Interpreter::java_lang_math_exp : // fall thru
106 case Interpreter::java_lang_math_fmaD : // fall thru
107 case Interpreter::java_lang_math_fmaF : entry_point = generate_math_entry(kind); break;
108 case Interpreter::java_lang_ref_reference_get
109 : entry_point = generate_Reference_get_entry(); break;
110 default:
111 fatal("unexpected method kind: %d", kind);
112 break;
113 }
114
115 if (entry_point) {
116 return entry_point;
117 }
118
119 // We expect the normal and native entry points to be generated first so we can reuse them.
120 if (native) {
121 entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::native_synchronized : Interpreter::native);
122 if (entry_point == nullptr) {
123 entry_point = generate_native_entry(synchronized, false);
124 }
125 } else {
126 entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::zerolocals_synchronized : Interpreter::zerolocals);
127 if (entry_point == nullptr) {
128 entry_point = generate_normal_entry(synchronized, false);
129 }
130 }
131
132 return entry_point;
133 }
134
135 address ZeroInterpreterGenerator::generate_slow_signature_handler() {
136 _masm->advance(1);
137 return (address) InterpreterRuntime::slow_signature_handler;
138 }
139
140 address ZeroInterpreterGenerator::generate_math_entry(
141 AbstractInterpreter::MethodKind kind) {
142 if (!InlineIntrinsics)
143 return nullptr;
144
145 Unimplemented();
146 return nullptr;
147 }
148
149 address ZeroInterpreterGenerator::generate_abstract_entry() {
150 return generate_entry((address) ShouldNotCallThisEntry());
151 }
152
153 address ZeroInterpreterGenerator::generate_empty_entry() {
154 if (!UseFastEmptyMethods)
155 return nullptr;
156
157 return generate_entry((address) ZeroInterpreter::empty_entry);
158 }
159
160 address ZeroInterpreterGenerator::generate_getter_entry() {
161 if (!UseFastAccessorMethods)
162 return nullptr;
163
164 return generate_entry((address) ZeroInterpreter::getter_entry);
165 }
166
167 address ZeroInterpreterGenerator::generate_setter_entry() {
168 if (!UseFastAccessorMethods)
169 return nullptr;
170
171 return generate_entry((address) ZeroInterpreter::setter_entry);
172 }
173
174 address ZeroInterpreterGenerator::generate_Reference_get_entry(void) {
175 return generate_entry((address) ZeroInterpreter::Reference_get_entry);
176 }
177
178 address ZeroInterpreterGenerator::generate_native_entry(bool synchronized, bool runtime_upcalls) {
179 return generate_entry((address) ZeroInterpreter::native_entry);
180 }
181
182 address ZeroInterpreterGenerator::generate_normal_entry(bool synchronized, bool runtime_upcalls) {
183 return generate_entry((address) ZeroInterpreter::normal_entry);
184 }