1 /* 2 * Copyright (c) 1997, 2013, 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 #ifndef SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP 26 #define SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP 27 28 #include "interpreter/abstractInterpreter.hpp" 29 30 #ifdef CC_INTERP 31 32 // This file contains the platform-independent parts 33 // of the c++ interpreter 34 35 class CppInterpreter: public AbstractInterpreter { 36 friend class VMStructs; 37 friend class Interpreter; // contains() 38 friend class InterpreterGenerator; // result handlers 39 friend class CppInterpreterGenerator; // result handlers 40 public: 41 42 43 protected: 44 45 // tosca result -> stack result 46 static address _tosca_to_stack[number_of_result_handlers]; // converts tosca to C++ interpreter stack result 47 // stack result -> stack result 48 static address _stack_to_stack[number_of_result_handlers]; // pass result between C++ interpreter calls 49 // stack result -> native abi result 50 static address _stack_to_native_abi[number_of_result_handlers]; // converts C++ interpreter results to native abi 51 52 // this is to allow frame and only frame to use contains(). 53 friend class frame; 54 55 public: 56 // Initialization/debugging 57 static void initialize(); 58 // this only returns whether a pc is within generated code for the interpreter. 59 60 // This is a moderately dubious interface for the c++ interpreter. Only 61 // frame code and debug.cpp should be using it. 62 static bool contains(address pc); 63 64 public: 65 66 67 // No displatch table to switch so no need for these to do anything special 68 static void notice_safepoints() {} 69 static void ignore_safepoints() {} 70 71 static address native_result_to_tosca() { return (address)_native_abi_to_tosca; } // aka result handler 72 static address tosca_result_to_stack() { return (address)_tosca_to_stack; } 73 static address stack_result_to_stack() { return (address)_stack_to_stack; } 74 static address stack_result_to_native() { return (address)_stack_to_native_abi; } 75 76 static address native_result_to_tosca(int index) { return _native_abi_to_tosca[index]; } // aka result handler 77 static address tosca_result_to_stack(int index) { return _tosca_to_stack[index]; } 78 static address stack_result_to_stack(int index) { return _stack_to_stack[index]; } 79 static address stack_result_to_native(int index) { return _stack_to_native_abi[index]; } 80 81 static address return_entry (TosState state, int length, Bytecodes::Code code); 82 static address deopt_entry (TosState state, int length); 83 84 #ifdef TARGET_ARCH_x86 85 # include "cppInterpreter_x86.hpp" 86 #endif 87 #ifdef TARGET_ARCH_sparc 88 # include "cppInterpreter_sparc.hpp" 89 #endif 90 #ifdef TARGET_ARCH_zero 91 # include "cppInterpreter_zero.hpp" 92 #endif 93 #ifdef TARGET_ARCH_arm 94 # include "cppInterpreter_arm.hpp" 95 #endif 96 #ifdef TARGET_ARCH_ppc 97 # include "cppInterpreter_ppc.hpp" 98 #endif 99 #ifdef TARGET_ARCH_aarch64 100 # include "cppInterpreter_aarch64.hpp" 101 #endif 102 103 104 }; 105 106 #endif // CC_INTERP 107 108 #endif // SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP