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