cppInterpreter.cpp revision 1472:c18cbe5936b8
1/* 2 * Copyright (c) 1997, 2009, 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 "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(method_handle); 118 method_entry(java_lang_math_sin ); 119 method_entry(java_lang_math_cos ); 120 method_entry(java_lang_math_tan ); 121 method_entry(java_lang_math_abs ); 122 method_entry(java_lang_math_sqrt ); 123 method_entry(java_lang_math_log ); 124 method_entry(java_lang_math_log10 ); 125 Interpreter::_native_entry_begin = Interpreter::code()->code_end(); 126 method_entry(native); 127 method_entry(native_synchronized); 128 Interpreter::_native_entry_end = Interpreter::code()->code_end(); 129 } 130 131 132#undef method_entry 133 134} 135 136#endif // CC_INTERP 137