frame_zero.hpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2007, 2008, 2009, 2010 Red Hat, Inc.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26#ifndef CPU_ZERO_VM_FRAME_ZERO_HPP
27#define CPU_ZERO_VM_FRAME_ZERO_HPP
28
29#include "runtime/synchronizer.hpp"
30#include "utilities/top.hpp"
31
32// A frame represents a physical stack frame on the Zero stack.
33
34 public:
35  enum {
36    pc_return_offset = 0
37  };
38
39  // Constructor
40 public:
41  frame(ZeroFrame* zeroframe, intptr_t* sp);
42
43 private:
44  ZeroFrame* _zeroframe;
45
46 public:
47  const ZeroFrame *zeroframe() const {
48    return _zeroframe;
49  }
50
51  intptr_t* fp() const {
52    return (intptr_t *) zeroframe();
53  }
54
55#ifdef CC_INTERP
56  inline interpreterState get_interpreterState() const;
57#endif // CC_INTERP
58
59 public:
60  const EntryFrame *zero_entryframe() const {
61    return zeroframe()->as_entry_frame();
62  }
63  const InterpreterFrame *zero_interpreterframe() const {
64    return zeroframe()->as_interpreter_frame();
65  }
66  const SharkFrame *zero_sharkframe() const {
67    return zeroframe()->as_shark_frame();
68  }
69
70 public:
71  bool is_fake_stub_frame() const;
72
73 public:
74  frame sender_for_nonentry_frame(RegisterMap* map) const;
75
76 public:
77  void zero_print_on_error(int           index,
78                           outputStream* st,
79                           char*         buf,
80                           int           buflen) const;
81
82#endif // CPU_ZERO_VM_FRAME_ZERO_HPP
83