1 /*
2 * Copyright (c) 1997, 2011, 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 #include "precompiled.hpp"
26 #include "interpreter/bytecodeInterpreter.hpp"
27 #include "interpreter/interpreter.hpp"
28 #include "interpreter/interpreterGenerator.hpp"
29 #include "interpreter/interpreterRuntime.hpp"
30
31 #ifdef CC_INTERP
32 # define __ _masm->
33
initialize()34 void CppInterpreter::initialize() {
35 if (_code != NULL) return;
36 AbstractInterpreter::initialize();
37
38 // generate interpreter
39 { ResourceMark rm;
40 TraceTime timer("Interpreter generation", TraceStartupTime);
41 int code_size = InterpreterCodeSize;
42 NOT_PRODUCT(code_size *= 4;) // debug uses extra interpreter code space
43 _code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL,
44 "Interpreter");
45 InterpreterGenerator g(_code);
46 if (PrintInterpreter) print();
47 }
48
49
50 // Allow c++ interpreter to do one initialization now that switches are set, etc.
51 BytecodeInterpreter start_msg(BytecodeInterpreter::initialize);
52 if (JvmtiExport::can_post_interpreter_events())
53 BytecodeInterpreter::runWithChecks(&start_msg);
54 else
55 BytecodeInterpreter::run(&start_msg);
56 }
57
58
59 address CppInterpreter::_tosca_to_stack [AbstractInterpreter::number_of_result_handlers];
60 address CppInterpreter::_stack_to_stack [AbstractInterpreter::number_of_result_handlers];
61 address CppInterpreter::_stack_to_native_abi [AbstractInterpreter::number_of_result_handlers];
62
CppInterpreterGenerator(StubQueue * _code)63 CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
64 }
65
66 static const BasicType types[Interpreter::number_of_result_handlers] = {
67 T_BOOLEAN,
68 T_CHAR ,
69 T_BYTE ,
70 T_SHORT ,
71 T_INT ,
72 T_LONG ,
73 T_VOID ,
74 T_FLOAT ,
75 T_DOUBLE ,
76 T_OBJECT
77 };
78
generate_all()79 void CppInterpreterGenerator::generate_all() {
80 AbstractInterpreterGenerator::generate_all();
81
82 { CodeletMark cm(_masm, "result handlers for native calls");
83 // The various result converter stublets.
84 int is_generated[Interpreter::number_of_result_handlers];
85 memset(is_generated, 0, sizeof(is_generated));
86 int _tosca_to_stack_is_generated[Interpreter::number_of_result_handlers];
87 int _stack_to_stack_is_generated[Interpreter::number_of_result_handlers];
88 int _stack_to_native_abi_is_generated[Interpreter::number_of_result_handlers];
89
90 memset(_tosca_to_stack_is_generated, 0, sizeof(_tosca_to_stack_is_generated));
91 memset(_stack_to_stack_is_generated, 0, sizeof(_stack_to_stack_is_generated));
92 memset(_stack_to_native_abi_is_generated, 0, sizeof(_stack_to_native_abi_is_generated));
93 for (int i = 0; i < Interpreter::number_of_result_handlers; i++) {
94 BasicType type = types[i];
95 if (!is_generated[Interpreter::BasicType_as_index(type)]++) {
96 Interpreter::_native_abi_to_tosca[Interpreter::BasicType_as_index(type)] = generate_result_handler_for(type);
97 }
98 if (!_tosca_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
99 Interpreter::_tosca_to_stack[Interpreter::BasicType_as_index(type)] = generate_tosca_to_stack_converter(type);
100 }
101 if (!_stack_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
102 Interpreter::_stack_to_stack[Interpreter::BasicType_as_index(type)] = generate_stack_to_stack_converter(type);
103 }
104 if (!_stack_to_native_abi_is_generated[Interpreter::BasicType_as_index(type)]++) {
105 Interpreter::_stack_to_native_abi[Interpreter::BasicType_as_index(type)] = generate_stack_to_native_abi_converter(type);
106 }
107 }
108 }
109
110
111 #define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind)
112
113 { CodeletMark cm(_masm, "(kind = frame_manager)");
114 // all non-native method kinds
115 method_entry(zerolocals);
116 method_entry(zerolocals_synchronized);
117 method_entry(empty);
118 method_entry(accessor);
119 method_entry(abstract);
120 method_entry(java_lang_math_sin );
121 method_entry(java_lang_math_cos );
122 method_entry(java_lang_math_tan );
123 method_entry(java_lang_math_abs );
124 method_entry(java_lang_math_sqrt );
125 method_entry(java_lang_math_log );
126 method_entry(java_lang_math_log10 );
127 method_entry(java_lang_math_pow );
128 method_entry(java_lang_math_exp );
129 method_entry(java_lang_ref_reference_get);
130
131 initialize_method_handle_entries();
132
133 Interpreter::_native_entry_begin = Interpreter::code()->code_end();
134 method_entry(native);
135 method_entry(native_synchronized);
136 Interpreter::_native_entry_end = Interpreter::code()->code_end();
137 }
138
139
140 #undef method_entry
141
142 }
143
144 #endif // CC_INTERP
145