1 /*
2 * Copyright (c) 2003, 2021, 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 "precompiled.hpp"
27 #include "asm/assembler.hpp"
28 #include "interpreter/interpreter.hpp"
29 #include "interpreter/interpreterRuntime.hpp"
30 #include "interpreter/zero/bytecodeInterpreter.hpp"
31 #include "interpreter/zero/zeroInterpreter.hpp"
32 #include "oops/method.hpp"
33 #include "zeroInterpreterGenerator.hpp"
34
ZeroInterpreterGenerator(StubQueue * _code)35 ZeroInterpreterGenerator::ZeroInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
36 generate_all();
37 }
38
generate_all()39 void ZeroInterpreterGenerator::generate_all() {
40 { CodeletMark cm(_masm, "slow signature handler");
41 AbstractInterpreter::_slow_signature_handler = generate_slow_signature_handler();
42 }
43
44 #define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind)
45
46 { CodeletMark cm(_masm, "(kind = frame_manager)");
47 // all non-native method kinds
48 method_entry(zerolocals);
49 method_entry(zerolocals_synchronized);
50 method_entry(empty);
51 method_entry(getter);
52 method_entry(setter);
53 method_entry(abstract);
54 method_entry(java_lang_math_sin );
55 method_entry(java_lang_math_cos );
56 method_entry(java_lang_math_tan );
57 method_entry(java_lang_math_abs );
58 method_entry(java_lang_math_sqrt );
59 method_entry(java_lang_math_log );
60 method_entry(java_lang_math_log10 );
61 method_entry(java_lang_math_pow );
62 method_entry(java_lang_math_exp );
63 method_entry(java_lang_math_fmaD );
64 method_entry(java_lang_math_fmaF );
65 method_entry(java_lang_ref_reference_get);
66
67 AbstractInterpreter::initialize_method_handle_entries();
68
69 Interpreter::_native_entry_begin = Interpreter::code()->code_end();
70 method_entry(native);
71 method_entry(native_synchronized);
72 Interpreter::_native_entry_end = Interpreter::code()->code_end();
73 }
74
75 #undef method_entry
76 }
77
78 // Generate method entries
generate_method_entry(AbstractInterpreter::MethodKind kind)79 address ZeroInterpreterGenerator::generate_method_entry(
80 AbstractInterpreter::MethodKind kind) {
81 // determine code generation flags
82 bool native = false;
83 bool synchronized = false;
84 address entry_point = NULL;
85
86 switch (kind) {
87 case Interpreter::zerolocals : break;
88 case Interpreter::zerolocals_synchronized: synchronized = true; break;
89 case Interpreter::native : native = true; break;
90 case Interpreter::native_synchronized : native = true; synchronized = true; break;
91 case Interpreter::empty : entry_point = generate_empty_entry(); break;
92 case Interpreter::getter : entry_point = generate_getter_entry(); break;
93 case Interpreter::setter : entry_point = generate_setter_entry(); break;
94 case Interpreter::abstract : entry_point = generate_abstract_entry(); break;
95
96 case Interpreter::java_lang_math_sin : // fall thru
97 case Interpreter::java_lang_math_cos : // fall thru
98 case Interpreter::java_lang_math_tan : // 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_pow : // fall thru
104 case Interpreter::java_lang_math_exp : // fall thru
105 case Interpreter::java_lang_math_fmaD : // fall thru
106 case Interpreter::java_lang_math_fmaF : entry_point = generate_math_entry(kind); break;
107 case Interpreter::java_lang_ref_reference_get
108 : entry_point = generate_Reference_get_entry(); break;
109 default:
110 fatal("unexpected method kind: %d", kind);
111 break;
112 }
113
114 if (entry_point) {
115 return entry_point;
116 }
117
118 // We expect the normal and native entry points to be generated first so we can reuse them.
119 if (native) {
120 entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::native_synchronized : Interpreter::native);
121 if (entry_point == NULL) {
122 entry_point = generate_native_entry(synchronized);
123 }
124 } else {
125 entry_point = Interpreter::entry_for_kind(synchronized ? Interpreter::zerolocals_synchronized : Interpreter::zerolocals);
126 if (entry_point == NULL) {
127 entry_point = generate_normal_entry(synchronized);
128 }
129 }
130
131 return entry_point;
132 }
133
generate_slow_signature_handler()134 address ZeroInterpreterGenerator::generate_slow_signature_handler() {
135 _masm->advance(1);
136 return (address) InterpreterRuntime::slow_signature_handler;
137 }
138
generate_math_entry(AbstractInterpreter::MethodKind kind)139 address ZeroInterpreterGenerator::generate_math_entry(
140 AbstractInterpreter::MethodKind kind) {
141 if (!InlineIntrinsics)
142 return NULL;
143
144 Unimplemented();
145 return NULL;
146 }
147
generate_abstract_entry()148 address ZeroInterpreterGenerator::generate_abstract_entry() {
149 return generate_entry((address) ShouldNotCallThisEntry());
150 }
151
generate_empty_entry()152 address ZeroInterpreterGenerator::generate_empty_entry() {
153 if (!UseFastEmptyMethods)
154 return NULL;
155
156 return generate_entry((address) ZeroInterpreter::empty_entry);
157 }
158
generate_getter_entry()159 address ZeroInterpreterGenerator::generate_getter_entry() {
160 if (!UseFastAccessorMethods)
161 return NULL;
162
163 return generate_entry((address) ZeroInterpreter::getter_entry);
164 }
165
generate_setter_entry()166 address ZeroInterpreterGenerator::generate_setter_entry() {
167 if (!UseFastAccessorMethods)
168 return NULL;
169
170 return generate_entry((address) ZeroInterpreter::setter_entry);
171 }
172
generate_Reference_get_entry(void)173 address ZeroInterpreterGenerator::generate_Reference_get_entry(void) {
174 return generate_entry((address) ZeroInterpreter::Reference_get_entry);
175 }
176
generate_native_entry(bool synchronized)177 address ZeroInterpreterGenerator::generate_native_entry(bool synchronized) {
178 return generate_entry((address) ZeroInterpreter::native_entry);
179 }
180
generate_normal_entry(bool synchronized)181 address ZeroInterpreterGenerator::generate_normal_entry(bool synchronized) {
182 return generate_entry((address) ZeroInterpreter::normal_entry);
183 }
184