1 /*
2 * Copyright (c) 2003, 2014, 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 #include "code/codeCache.hpp"
30
31 // Constructors
32
33 inline frame::frame() {
34 _zeroframe = NULL;
35 _sp = NULL;
36 _pc = NULL;
37 _cb = NULL;
38 _deopt_state = unknown;
39 }
40
41 inline address frame::sender_pc() const { ShouldNotCallThis(); return NULL; }
42
43 inline frame::frame(ZeroFrame* zf, intptr_t* sp) {
44 _zeroframe = zf;
45 _sp = sp;
46 switch (zeroframe()->type()) {
47 case ZeroFrame::ENTRY_FRAME:
48 _pc = StubRoutines::call_stub_return_pc();
49 _cb = NULL;
50 _deopt_state = not_deoptimized;
51 break;
52
53 case ZeroFrame::INTERPRETER_FRAME:
54 _pc = NULL;
55 _cb = NULL;
56 _deopt_state = not_deoptimized;
57 break;
58
59 case ZeroFrame::SHARK_FRAME: {
60 _pc = zero_sharkframe()->pc();
61 _cb = CodeCache::find_blob_unsafe(pc());
62 address original_pc = nmethod::get_deopt_original_pc(this);
63 if (original_pc != NULL) {
64 _pc = original_pc;
65 _deopt_state = is_deoptimized;
66 } else {
67 _deopt_state = not_deoptimized;
68 }
69 break;
70 }
71 case ZeroFrame::FAKE_STUB_FRAME:
72 _pc = NULL;
73 _cb = NULL;
74 _deopt_state = not_deoptimized;
75 break;
76
77 default:
78 ShouldNotReachHere();
79 }
80 }
81
82 // Accessors
83
84 inline intptr_t* frame::sender_sp() const {
85 return fp() + 1;
86 }
87
88 inline intptr_t* frame::real_fp() const {
89 return fp();
90 }
91
92 inline intptr_t* frame::link() const {
93 ShouldNotCallThis();
94 return NULL;
95 }
96
97 #ifdef CC_INTERP
98 inline interpreterState frame::get_interpreterState() const {
99 return zero_interpreterframe()->interpreter_state();
100 }
101
102 inline intptr_t** frame::interpreter_frame_locals_addr() const {
103 return &(get_interpreterState()->_locals);
104 }
105
106 inline intptr_t* frame::interpreter_frame_bcp_addr() const {
107 return (intptr_t*) &(get_interpreterState()->_bcp);
108 }
109
110 inline ConstantPoolCache** frame::interpreter_frame_cache_addr() const {
111 return &(get_interpreterState()->_constants);
112 }
113
114 inline Method** frame::interpreter_frame_method_addr() const {
115 return &(get_interpreterState()->_method);
116 }
117
118 inline intptr_t* frame::interpreter_frame_mdp_addr() const {
119 return (intptr_t*) &(get_interpreterState()->_mdx);
120 }
121
122 inline intptr_t* frame::interpreter_frame_tos_address() const {
123 return get_interpreterState()->_stack + 1;
124 }
125 #endif // CC_INTERP
126
127 inline int frame::interpreter_frame_monitor_size() {
128 return BasicObjectLock::size();
129 }
130
131 inline intptr_t* frame::interpreter_frame_expression_stack() const {
132 intptr_t* monitor_end = (intptr_t*) interpreter_frame_monitor_end();
133 return monitor_end - 1;
134 }
135
136 inline jint frame::interpreter_frame_expression_stack_direction() {
137 return -1;
138 }
139
140 // Return a unique id for this frame. The id must have a value where
141 // we can distinguish identity and younger/older relationship. NULL
142 // represents an invalid (incomparable) frame.
143 inline intptr_t* frame::id() const {
144 return fp();
145 }
146
147 inline JavaCallWrapper** frame::entry_frame_call_wrapper_addr() const {
148 return zero_entryframe()->call_wrapper();
149 }
150
151 inline void frame::set_saved_oop_result(RegisterMap* map, oop obj) {
152 ShouldNotCallThis();
153 }
154
155 inline oop frame::saved_oop_result(RegisterMap* map) const {
156 ShouldNotCallThis();
157 return NULL;
158 }
159
160 inline bool frame::is_older(intptr_t* id) const {
161 ShouldNotCallThis();
162 return false;
163 }
164
165 inline intptr_t* frame::entry_frame_argument_at(int offset) const {
166 ShouldNotCallThis();
167 return NULL;
168 }
169
170 inline intptr_t* frame::unextended_sp() const {
171 if (zeroframe()->is_shark_frame())
172 return zero_sharkframe()->unextended_sp();
173 else
174 return (intptr_t *) -1;
175 }
176
177 #endif // CPU_ZERO_VM_FRAME_ZERO_INLINE_HPP