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comparison src/cpu/zero/vm/interpreterFrame_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 f9271ff9d324
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1009:03b336640699 1010:354d3184f6b2
1 /*
2 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
3 * Copyright 2008 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 #ifdef CC_INTERP
27 // | ... |
28 // +--------------------+ ------------------
29 // | stack slot n-1 | low addresses
30 // | ... |
31 // | stack slot 0 |
32 // | monitor 0 (maybe) |
33 // | ... |
34 // | interpreter state |
35 // | ... |
36 // | frame_type |
37 // | next_frame | high addresses
38 // +--------------------+ ------------------
39 // | ... |
40
41 class InterpreterFrame : public ZeroFrame {
42 friend class AbstractInterpreter;
43
44 private:
45 InterpreterFrame() : ZeroFrame() {
46 ShouldNotCallThis();
47 }
48
49 protected:
50 enum Layout {
51 istate_off = jf_header_words +
52 (align_size_up_(sizeof(BytecodeInterpreter),
53 wordSize) >> LogBytesPerWord) - 1,
54 header_words
55 };
56
57 public:
58 static InterpreterFrame *build(ZeroStack* stack,
59 const methodOop method,
60 JavaThread* thread);
61 static InterpreterFrame *build(ZeroStack* stack, int size);
62
63 public:
64 interpreterState interpreter_state() const {
65 return (interpreterState) addr_of_word(istate_off);
66 }
67
68 public:
69 void identify_word(int frame_index,
70 int offset,
71 char* fieldbuf,
72 char* valuebuf,
73 int buflen) const;
74 };
75 #endif // CC_INTERP