frame_zero.hpp revision 1472:c18cbe5936b8 
1/*
2 * Copyright (c) 2003, 2007, 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// A frame represents a physical stack frame on the Zero stack.
27
28 public:
29  enum {
30    pc_return_offset = 0
31  };
32
33  // Constructor
34 public:
35  frame(ZeroFrame* zeroframe, intptr_t* sp);
36
37 private:
38  ZeroFrame* _zeroframe;
39
40 public:
41  const ZeroFrame *zeroframe() const {
42    return _zeroframe;
43  }
44
45  intptr_t* fp() const {
46    return (intptr_t *) zeroframe();
47  }
48
49#ifdef CC_INTERP
50  inline interpreterState get_interpreterState() const;
51#endif // CC_INTERP
52
53 public:
54  const EntryFrame *zero_entryframe() const {
55    return zeroframe()->as_entry_frame();
56  }
57  const InterpreterFrame *zero_interpreterframe() const {
58    return zeroframe()->as_interpreter_frame();
59  }
60  const SharkFrame *zero_sharkframe() const {
61    return zeroframe()->as_shark_frame();
62  }
63
64 public:
65  bool is_fake_stub_frame() const;
66
67 public:
68  frame sender_for_nonentry_frame(RegisterMap* map) const;
69
70 public:
71  void zero_print_on_error(int           index,
72                           outputStream* st,
73                           char*         buf,
74                           int           buflen) const;
75