0
|
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
|