cppInterpreter.hpp revision 7877:cc8363b030d5 
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
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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
35class 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
109