cppInterpreter.cpp revision 0:a61af66fc99e 
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
31void 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
56address    CppInterpreter::_tosca_to_stack         [AbstractInterpreter::number_of_result_handlers];
57address    CppInterpreter::_stack_to_stack         [AbstractInterpreter::number_of_result_handlers];
58address    CppInterpreter::_stack_to_native_abi    [AbstractInterpreter::number_of_result_handlers];
59
60CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
61}
62
63static 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
76void 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
136