Wed, 03 Jul 2019 20:42:37 +0800
Merge
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 */
25 /*
26 * This file has been modified by Loongson Technology in 2015. These
27 * modifications are Copyright (c) 2015 Loongson Technology, and are made
28 * available on the same license terms set forth above.
29 */
31 #ifndef SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP
32 #define SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP
34 #include "interpreter/abstractInterpreter.hpp"
36 #ifdef CC_INTERP
38 // This file contains the platform-independent parts
39 // of the c++ interpreter
41 class CppInterpreter: public AbstractInterpreter {
42 friend class VMStructs;
43 friend class Interpreter; // contains()
44 friend class InterpreterGenerator; // result handlers
45 friend class CppInterpreterGenerator; // result handlers
46 public:
49 protected:
51 // tosca result -> stack result
52 static address _tosca_to_stack[number_of_result_handlers]; // converts tosca to C++ interpreter stack result
53 // stack result -> stack result
54 static address _stack_to_stack[number_of_result_handlers]; // pass result between C++ interpreter calls
55 // stack result -> native abi result
56 static address _stack_to_native_abi[number_of_result_handlers]; // converts C++ interpreter results to native abi
58 // this is to allow frame and only frame to use contains().
59 friend class frame;
61 public:
62 // Initialization/debugging
63 static void initialize();
64 // this only returns whether a pc is within generated code for the interpreter.
66 // This is a moderately dubious interface for the c++ interpreter. Only
67 // frame code and debug.cpp should be using it.
68 static bool contains(address pc);
70 public:
73 // No displatch table to switch so no need for these to do anything special
74 static void notice_safepoints() {}
75 static void ignore_safepoints() {}
77 static address native_result_to_tosca() { return (address)_native_abi_to_tosca; } // aka result handler
78 static address tosca_result_to_stack() { return (address)_tosca_to_stack; }
79 static address stack_result_to_stack() { return (address)_stack_to_stack; }
80 static address stack_result_to_native() { return (address)_stack_to_native_abi; }
82 static address native_result_to_tosca(int index) { return _native_abi_to_tosca[index]; } // aka result handler
83 static address tosca_result_to_stack(int index) { return _tosca_to_stack[index]; }
84 static address stack_result_to_stack(int index) { return _stack_to_stack[index]; }
85 static address stack_result_to_native(int index) { return _stack_to_native_abi[index]; }
87 static address return_entry (TosState state, int length, Bytecodes::Code code);
88 static address deopt_entry (TosState state, int length);
90 #ifdef TARGET_ARCH_x86
91 # include "cppInterpreter_x86.hpp"
92 #endif
93 #ifdef TARGET_ARCH_mips
94 # include "cppInterpreter_mips.hpp"
95 #endif
96 #ifdef TARGET_ARCH_sparc
97 # include "cppInterpreter_sparc.hpp"
98 #endif
99 #ifdef TARGET_ARCH_zero
100 # include "cppInterpreter_zero.hpp"
101 #endif
102 #ifdef TARGET_ARCH_arm
103 # include "cppInterpreter_arm.hpp"
104 #endif
105 #ifdef TARGET_ARCH_ppc
106 # include "cppInterpreter_ppc.hpp"
107 #endif
110 };
112 #endif // CC_INTERP
114 #endif // SHARE_VM_INTERPRETER_CPPINTERPRETER_HPP