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comparison src/cpu/zero/vm/frame_zero.hpp @ 1010:354d3184f6b2

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6890308: integrate zero assembler hotspot changes Reviewed-by: never Contributed-by: gbenson@redhat.com
author never
date Tue, 13 Oct 2009 12:04:21 -0700
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children 8e7adf982378
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1009:03b336640699 1010:354d3184f6b2
1 /*
2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
3 * Copyright 2007, 2008, 2009 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
22 * have any 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(intptr_t* sp, intptr_t* fp);
36
37 // The sp of a Zero frame is the address of the highest word in
38 // that frame. We keep track of the lowest address too, so the
39 // boundaries of the frame are available for debug printing.
40 private:
41 intptr_t* _fp;
42
43 public:
44 intptr_t* fp() const {
45 return _fp;
46 }
47
48 #ifdef CC_INTERP
49 inline interpreterState get_interpreterState() const;
50 #endif // CC_INTERP
51
52 public:
53 const ZeroFrame *zeroframe() const {
54 return (ZeroFrame *) sp();
55 }
56
57 const EntryFrame *zero_entryframe() const {
58 return zeroframe()->as_entry_frame();
59 }
60 const InterpreterFrame *zero_interpreterframe() const {
61 return zeroframe()->as_interpreter_frame();
62 }
63 const SharkFrame *zero_sharkframe() const {
64 return zeroframe()->as_shark_frame();
65 }
66
67 public:
68 bool is_fake_stub_frame() const;
69
70 public:
71 frame sender_for_fake_stub_frame(RegisterMap* map) const;
72
73 public:
74 void zero_print_on_error(int index,
75 outputStream* st,
76 char* buf,
77 int buflen) const;