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comparison src/share/vm/interpreter/cppInterpreter.hpp @ 0:a61af66fc99e jdk7-b24

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author duke
date Sat, 01 Dec 2007 00:00:00 +0000
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-1:000000000000 0:a61af66fc99e
1 /*
2 * Copyright 1997-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25 #ifdef CC_INTERP
26
27 // This file contains the platform-independant parts
28 // of the c++ interpreter
29
30 class CppInterpreter: public AbstractInterpreter {
31 friend class VMStructs;
32 friend class Interpreter; // contains()
33 friend class InterpreterGenerator; // result handlers
34 friend class CppInterpreterGenerator; // result handlers
35 public:
36
37
38 protected:
39
40 // tosca result -> stack result
41 static address _tosca_to_stack[number_of_result_handlers]; // converts tosca to C++ interpreter stack result
42 // stack result -> stack result
43 static address _stack_to_stack[number_of_result_handlers]; // pass result between C++ interpreter calls
44 // stack result -> native abi result
45 static address _stack_to_native_abi[number_of_result_handlers]; // converts C++ interpreter results to native abi
46
47 // this is to allow frame and only frame to use contains().
48 friend class frame;
49
50 public:
51 // Initialization/debugging
52 static void initialize();
53 // this only returns whether a pc is within generated code for the interpreter.
54
55 // This is a moderately dubious interface for the c++ interpreter. Only
56 // frame code and debug.cpp should be using it.
57 static bool contains(address pc);
58
59 public:
60
61
62 // No displatch table to switch so no need for these to do anything special
63 static void notice_safepoints() {}
64 static void ignore_safepoints() {}
65
66 static address native_result_to_tosca() { return (address)_native_abi_to_tosca; } // aka result handler
67 static address tosca_result_to_stack() { return (address)_tosca_to_stack; }
68 static address stack_result_to_stack() { return (address)_stack_to_stack; }
69 static address stack_result_to_native() { return (address)_stack_to_native_abi; }
70
71 static address native_result_to_tosca(int index) { return _native_abi_to_tosca[index]; } // aka result handler
72 static address tosca_result_to_stack(int index) { return _tosca_to_stack[index]; }
73 static address stack_result_to_stack(int index) { return _stack_to_stack[index]; }
74 static address stack_result_to_native(int index) { return _stack_to_native_abi[index]; }
75
76 static address return_entry (TosState state, int length);
77 static address deopt_entry (TosState state, int length);
78
79 #include "incls/_cppInterpreter_pd.hpp.incl"
80
81 };
82
83 #endif // CC_INTERP