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comparison src/share/vm/interpreter/cppInterpreter.cpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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1 /*
2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #include "incls/_precompiled.incl"
26 #include "incls/_cppInterpreter.cpp.incl"
27
28 #ifdef CC_INTERP
29 # define __ _masm->
30
31 void CppInterpreter::initialize() {
32 if (_code != NULL) return;
33 AbstractInterpreter::initialize();
34
35 // generate interpreter
36 { ResourceMark rm;
37 TraceTime timer("Interpreter generation", TraceStartupTime);
38 int code_size = InterpreterCodeSize;
39 NOT_PRODUCT(code_size *= 4;) // debug uses extra interpreter code space
40 _code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL,
41 "Interpreter");
42 InterpreterGenerator g(_code);
43 if (PrintInterpreter) print();
44 }
45
46
47 // Allow c++ interpreter to do one initialization now that switches are set, etc.
48 BytecodeInterpreter start_msg(BytecodeInterpreter::initialize);
49 if (JvmtiExport::can_post_interpreter_events())
50 BytecodeInterpreter::runWithChecks(&start_msg);
51 else
52 BytecodeInterpreter::run(&start_msg);
53 }
54
55
56 address CppInterpreter::_tosca_to_stack [AbstractInterpreter::number_of_result_handlers];
57 address CppInterpreter::_stack_to_stack [AbstractInterpreter::number_of_result_handlers];
58 address CppInterpreter::_stack_to_native_abi [AbstractInterpreter::number_of_result_handlers];
59
60 CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
61 }
62
63 static const BasicType types[Interpreter::number_of_result_handlers] = {
64 T_BOOLEAN,
65 T_CHAR ,
66 T_BYTE ,
67 T_SHORT ,
68 T_INT ,
69 T_LONG ,
70 T_VOID ,
71 T_FLOAT ,
72 T_DOUBLE ,
73 T_OBJECT
74 };
75
76 void CppInterpreterGenerator::generate_all() {
77 AbstractInterpreterGenerator::generate_all();
78
79 { CodeletMark cm(_masm, "result handlers for native calls");
80 // The various result converter stublets.
81 int is_generated[Interpreter::number_of_result_handlers];
82 memset(is_generated, 0, sizeof(is_generated));
83 int _tosca_to_stack_is_generated[Interpreter::number_of_result_handlers];
84 int _stack_to_stack_is_generated[Interpreter::number_of_result_handlers];
85 int _stack_to_native_abi_is_generated[Interpreter::number_of_result_handlers];
86
87 memset(_tosca_to_stack_is_generated, 0, sizeof(_tosca_to_stack_is_generated));
88 memset(_stack_to_stack_is_generated, 0, sizeof(_stack_to_stack_is_generated));
89 memset(_stack_to_native_abi_is_generated, 0, sizeof(_stack_to_native_abi_is_generated));
90 for (int i = 0; i < Interpreter::number_of_result_handlers; i++) {
91 BasicType type = types[i];
92 if (!is_generated[Interpreter::BasicType_as_index(type)]++) {
93 Interpreter::_native_abi_to_tosca[Interpreter::BasicType_as_index(type)] = generate_result_handler_for(type);
94 }
95 if (!_tosca_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
96 Interpreter::_tosca_to_stack[Interpreter::BasicType_as_index(type)] = generate_tosca_to_stack_converter(type);
97 }
98 if (!_stack_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
99 Interpreter::_stack_to_stack[Interpreter::BasicType_as_index(type)] = generate_stack_to_stack_converter(type);
100 }
101 if (!_stack_to_native_abi_is_generated[Interpreter::BasicType_as_index(type)]++) {
102 Interpreter::_stack_to_native_abi[Interpreter::BasicType_as_index(type)] = generate_stack_to_native_abi_converter(type);
103 }
104 }
105 }
106
107
108 #define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind)
109
110 { CodeletMark cm(_masm, "(kind = frame_manager)");
111 // all non-native method kinds
112 method_entry(zerolocals);
113 method_entry(zerolocals_synchronized);
114 method_entry(empty);
115 method_entry(accessor);
116 method_entry(abstract);
117 method_entry(java_lang_math_sin );
118 method_entry(java_lang_math_cos );
119 method_entry(java_lang_math_tan );
120 method_entry(java_lang_math_abs );
121 method_entry(java_lang_math_sqrt );
122 method_entry(java_lang_math_log );
123 method_entry(java_lang_math_log10 );
124 Interpreter::_native_entry_begin = Interpreter::code()->code_end();
125 method_entry(native);
126 method_entry(native_synchronized);
127 Interpreter::_native_entry_end = Interpreter::code()->code_end();
128 }
129
130
131 #undef method_entry
132
133 }
134
135 #endif // CC_INTERP