1 /*
2 * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2008, 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 // | ... |
27 // +--------------------+ ------------------
28 // | parameter n-1 | low addresses
29 // | ... |
30 // | parameter 0 |
31 // | call_wrapper |
32 // | frame_type |
33 // | next_frame | high addresses
34 // +--------------------+ ------------------
35 // | ... |
36
37 class EntryFrame : public ZeroFrame {
38 private:
39 EntryFrame() : ZeroFrame() {
40 ShouldNotCallThis();
41 }
42
43 protected:
44 enum Layout {
45 call_wrapper_off = jf_header_words,
46 header_words
47 };
48
49 public:
50 static EntryFrame *build(const intptr_t* parameters,
51 int parameter_words,
52 JavaCallWrapper* call_wrapper,
53 TRAPS);
54 public:
55 JavaCallWrapper *call_wrapper() const {
56 return (JavaCallWrapper *) value_of_word(call_wrapper_off);
57 }
58
59 public:
60 void identify_word(int frame_index,
61 int offset,
62 char* fieldbuf,
63 char* valuebuf,
64 int buflen) const;
65 };
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1 /*
2 * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2008, 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_ENTRYFRAME_ZERO_HPP
27 #define CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP
28
29 #include "runtime/javaCalls.hpp"
30 #include "stack_zero.hpp"
31
32 // | ... |
33 // +--------------------+ ------------------
34 // | parameter n-1 | low addresses
35 // | ... |
36 // | parameter 0 |
37 // | call_wrapper |
38 // | frame_type |
39 // | next_frame | high addresses
40 // +--------------------+ ------------------
41 // | ... |
42
43 class EntryFrame : public ZeroFrame {
44 private:
45 EntryFrame() : ZeroFrame() {
46 ShouldNotCallThis();
47 }
48
49 protected:
50 enum Layout {
51 call_wrapper_off = jf_header_words,
52 header_words
53 };
54
55 public:
56 static EntryFrame *build(const intptr_t* parameters,
57 int parameter_words,
58 JavaCallWrapper* call_wrapper,
59 TRAPS);
60 public:
61 JavaCallWrapper *call_wrapper() const {
62 return (JavaCallWrapper *) value_of_word(call_wrapper_off);
63 }
64
65 public:
66 void identify_word(int frame_index,
67 int offset,
68 char* fieldbuf,
69 char* valuebuf,
70 int buflen) const;
71 };
72
73 #endif // CPU_ZERO_VM_ENTRYFRAME_ZERO_HPP
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