1 /*
2  * Copyright (c) 1997, 2019, 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_INTERPRETER_CPPINTERPRETERGENERATOR_HPP
26 #define SHARE_INTERPRETER_CPPINTERPRETERGENERATOR_HPP
27 
28 // This file contains the platform-independent parts
29 // of the template interpreter generator.
30 
31 #ifdef CC_INTERP
32 #ifdef ZERO
33 # include "entry_zero.hpp"
34 # include "interpreter/interp_masm.hpp"
35 #endif
36 
37 class CppInterpreterGenerator: public AbstractInterpreterGenerator {
38 
39  private:
40   void generate_all();
41 
42   address generate_slow_signature_handler();
43 
44   address generate_method_entry(AbstractInterpreter::MethodKind kind);
45   address generate_normal_entry(bool synchronized);
46   address generate_native_entry(bool synchronized);
47   address generate_abstract_entry();
48   address generate_math_entry(AbstractInterpreter::MethodKind kind);
49   address generate_empty_entry();
50   address generate_accessor_entry();
51   address generate_Reference_get_entry();
52 
53  public:
54   CppInterpreterGenerator(StubQueue* _code);
55 
56 #ifdef ZERO
57  protected:
assembler() const58   MacroAssembler* assembler() const {
59     return _masm;
60   }
61 
62  public:
generate_entry_impl(MacroAssembler * masm,address entry_point)63   static address generate_entry_impl(MacroAssembler* masm, address entry_point) {
64     ZeroEntry *entry = (ZeroEntry *) masm->pc();
65     masm->advance(sizeof(ZeroEntry));
66     entry->set_entry_point(entry_point);
67     return (address) entry;
68   }
69 
70  protected:
generate_entry(address entry_point)71   address generate_entry(address entry_point) {
72     return generate_entry_impl(assembler(), entry_point);
73   }
74 #endif // ZERO
75 };
76 
77 #endif // CC_INTERP
78 #endif // SHARE_INTERPRETER_CPPINTERPRETERGENERATOR_HPP
79