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1 /*
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2 * Copyright 1997-2007 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 #include "incls/_precompiled.incl"
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26 #include "incls/_cppInterpreter.cpp.incl"
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27
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28 #ifdef CC_INTERP
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29 # define __ _masm->
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30
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31 void CppInterpreter::initialize() {
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32 if (_code != NULL) return;
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33 AbstractInterpreter::initialize();
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34
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35 // generate interpreter
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36 { ResourceMark rm;
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37 TraceTime timer("Interpreter generation", TraceStartupTime);
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38 int code_size = InterpreterCodeSize;
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39 NOT_PRODUCT(code_size *= 4;) // debug uses extra interpreter code space
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40 _code = new StubQueue(new InterpreterCodeletInterface, code_size, NULL,
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41 "Interpreter");
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42 InterpreterGenerator g(_code);
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43 if (PrintInterpreter) print();
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44 }
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45
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46
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47 // Allow c++ interpreter to do one initialization now that switches are set, etc.
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48 BytecodeInterpreter start_msg(BytecodeInterpreter::initialize);
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49 if (JvmtiExport::can_post_interpreter_events())
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50 BytecodeInterpreter::runWithChecks(&start_msg);
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51 else
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52 BytecodeInterpreter::run(&start_msg);
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53 }
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54
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55
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56 address CppInterpreter::_tosca_to_stack [AbstractInterpreter::number_of_result_handlers];
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57 address CppInterpreter::_stack_to_stack [AbstractInterpreter::number_of_result_handlers];
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58 address CppInterpreter::_stack_to_native_abi [AbstractInterpreter::number_of_result_handlers];
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59
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60 CppInterpreterGenerator::CppInterpreterGenerator(StubQueue* _code): AbstractInterpreterGenerator(_code) {
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61 }
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62
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63 static const BasicType types[Interpreter::number_of_result_handlers] = {
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64 T_BOOLEAN,
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65 T_CHAR ,
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66 T_BYTE ,
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67 T_SHORT ,
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68 T_INT ,
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69 T_LONG ,
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70 T_VOID ,
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71 T_FLOAT ,
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72 T_DOUBLE ,
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73 T_OBJECT
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74 };
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75
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76 void CppInterpreterGenerator::generate_all() {
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77 AbstractInterpreterGenerator::generate_all();
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78
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79 { CodeletMark cm(_masm, "result handlers for native calls");
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80 // The various result converter stublets.
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81 int is_generated[Interpreter::number_of_result_handlers];
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82 memset(is_generated, 0, sizeof(is_generated));
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83 int _tosca_to_stack_is_generated[Interpreter::number_of_result_handlers];
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84 int _stack_to_stack_is_generated[Interpreter::number_of_result_handlers];
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85 int _stack_to_native_abi_is_generated[Interpreter::number_of_result_handlers];
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86
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87 memset(_tosca_to_stack_is_generated, 0, sizeof(_tosca_to_stack_is_generated));
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88 memset(_stack_to_stack_is_generated, 0, sizeof(_stack_to_stack_is_generated));
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89 memset(_stack_to_native_abi_is_generated, 0, sizeof(_stack_to_native_abi_is_generated));
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90 for (int i = 0; i < Interpreter::number_of_result_handlers; i++) {
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91 BasicType type = types[i];
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92 if (!is_generated[Interpreter::BasicType_as_index(type)]++) {
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93 Interpreter::_native_abi_to_tosca[Interpreter::BasicType_as_index(type)] = generate_result_handler_for(type);
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94 }
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95 if (!_tosca_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
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96 Interpreter::_tosca_to_stack[Interpreter::BasicType_as_index(type)] = generate_tosca_to_stack_converter(type);
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97 }
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98 if (!_stack_to_stack_is_generated[Interpreter::BasicType_as_index(type)]++) {
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99 Interpreter::_stack_to_stack[Interpreter::BasicType_as_index(type)] = generate_stack_to_stack_converter(type);
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100 }
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101 if (!_stack_to_native_abi_is_generated[Interpreter::BasicType_as_index(type)]++) {
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102 Interpreter::_stack_to_native_abi[Interpreter::BasicType_as_index(type)] = generate_stack_to_native_abi_converter(type);
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103 }
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104 }
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105 }
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106
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107
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108 #define method_entry(kind) Interpreter::_entry_table[Interpreter::kind] = generate_method_entry(Interpreter::kind)
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109
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110 { CodeletMark cm(_masm, "(kind = frame_manager)");
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111 // all non-native method kinds
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112 method_entry(zerolocals);
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113 method_entry(zerolocals_synchronized);
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114 method_entry(empty);
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115 method_entry(accessor);
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116 method_entry(abstract);
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117 method_entry(java_lang_math_sin );
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118 method_entry(java_lang_math_cos );
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119 method_entry(java_lang_math_tan );
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120 method_entry(java_lang_math_abs );
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121 method_entry(java_lang_math_sqrt );
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122 method_entry(java_lang_math_log );
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123 method_entry(java_lang_math_log10 );
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124 Interpreter::_native_entry_begin = Interpreter::code()->code_end();
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125 method_entry(native);
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126 method_entry(native_synchronized);
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127 Interpreter::_native_entry_end = Interpreter::code()->code_end();
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128 }
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129
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130
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131 #undef method_entry
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132
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133 }
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134
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135 #endif // CC_INTERP
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