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 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 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 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(method_handle); 121 method_entry(java_lang_math_sin ); 122 method_entry(java_lang_math_cos ); 123 method_entry(java_lang_math_tan ); 124 method_entry(java_lang_math_abs ); 125 method_entry(java_lang_math_sqrt ); 126 method_entry(java_lang_math_log ); 127 method_entry(java_lang_math_log10 ); 128 method_entry(java_lang_ref_reference_get); 129 Interpreter::_native_entry_begin = Interpreter::code()->code_end(); 130 method_entry(native); 131 method_entry(native_synchronized); 132 Interpreter::_native_entry_end = Interpreter::code()->code_end(); 133 } 134 135 136 #undef method_entry 137 138 } 139 140 #endif // CC_INTERP