frame_zero.inline.hpp revision 3602:da91efe96a93 
1/*
2 * Copyright (c) 2003, 2012, 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_INLINE_HPP
27#define CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP
28
29// Constructors
30
31inline frame::frame() {
32  _zeroframe = NULL;
33  _sp = NULL;
34  _pc = NULL;
35  _cb = NULL;
36  _deopt_state = unknown;
37}
38
39inline frame::frame(ZeroFrame* zf, intptr_t* sp) {
40  _zeroframe = zf;
41  _sp = sp;
42  switch (zeroframe()->type()) {
43  case ZeroFrame::ENTRY_FRAME:
44    _pc = StubRoutines::call_stub_return_pc();
45    _cb = NULL;
46    break;
47
48  case ZeroFrame::INTERPRETER_FRAME:
49    _pc = NULL;
50    _cb = NULL;
51    break;
52
53  case ZeroFrame::SHARK_FRAME:
54    _pc = zero_sharkframe()->pc();
55    _cb = CodeCache::find_blob_unsafe(pc());
56    break;
57
58  case ZeroFrame::FAKE_STUB_FRAME:
59    _pc = NULL;
60    _cb = NULL;
61    break;
62
63  default:
64    ShouldNotReachHere();
65  }
66  _deopt_state = not_deoptimized;
67}
68
69// Accessors
70
71inline intptr_t* frame::sender_sp() const {
72  return fp() + 1;
73}
74
75inline intptr_t* frame::real_fp() const {
76  return fp();
77}
78
79inline intptr_t* frame::link() const {
80  ShouldNotCallThis();
81}
82
83#ifdef CC_INTERP
84inline interpreterState frame::get_interpreterState() const {
85  return zero_interpreterframe()->interpreter_state();
86}
87
88inline intptr_t** frame::interpreter_frame_locals_addr() const {
89  return &(get_interpreterState()->_locals);
90}
91
92inline intptr_t* frame::interpreter_frame_bcx_addr() const {
93  return (intptr_t*) &(get_interpreterState()->_bcp);
94}
95
96inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const {
97  return &(get_interpreterState()->_constants);
98}
99
100inline Method** frame::interpreter_frame_method_addr() const {
101  return &(get_interpreterState()->_method);
102}
103
104inline intptr_t* frame::interpreter_frame_mdx_addr() const {
105  return (intptr_t*) &(get_interpreterState()->_mdx);
106}
107
108inline intptr_t* frame::interpreter_frame_tos_address() const {
109  return get_interpreterState()->_stack + 1;
110}
111#endif // CC_INTERP
112
113inline int frame::interpreter_frame_monitor_size() {
114  return BasicObjectLock::size();
115}
116
117inline intptr_t* frame::interpreter_frame_expression_stack() const {
118  intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end();
119  return monitor_end - 1;
120}
121
122inline jint frame::interpreter_frame_expression_stack_direction() {
123  return -1;
124}
125
126// Return a unique id for this frame. The id must have a value where
127// we can distinguish identity and younger/older relationship. NULL
128// represents an invalid (incomparable) frame.
129inline intptr_t* frame::id() const {
130  return fp();
131}
132
133inline JavaCallWrapper* frame::entry_frame_call_wrapper() const {
134  return zero_entryframe()->call_wrapper();
135}
136
137inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
138  ShouldNotCallThis();
139}
140
141inline oop frame::saved_oop_result(RegisterMap* map) const {
142  ShouldNotCallThis();
143}
144
145inline bool frame::is_older(intptr_t* id) const {
146  ShouldNotCallThis();
147}
148
149inline intptr_t* frame::entry_frame_argument_at(int offset) const {
150  ShouldNotCallThis();
151}
152
153inline intptr_t* frame::unextended_sp() const {
154  if (zeroframe()->is_shark_frame())
155    return zero_sharkframe()->unextended_sp();
156  else
157    return (intptr_t *) -1;
158}
159
160#endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP
161