Mercurial > hg > truffle
annotate src/share/vm/runtime/handles.inline.hpp @ 6862:8a5ea0a9ccc4
7127708: G1: change task num types from int to uint in concurrent mark
Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich.
Reviewed-by: johnc
Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>
author | johnc |
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date | Sat, 06 Oct 2012 01:17:44 -0700 |
parents | da91efe96a93 |
children | 716c64bda5ba |
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0 | 1 /* |
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2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |
26 #define SHARE_VM_RUNTIME_HANDLES_INLINE_HPP | |
27 | |
28 #include "runtime/handles.hpp" | |
29 #ifdef TARGET_OS_FAMILY_linux | |
30 # include "thread_linux.inline.hpp" | |
31 #endif | |
32 #ifdef TARGET_OS_FAMILY_solaris | |
33 # include "thread_solaris.inline.hpp" | |
34 #endif | |
35 #ifdef TARGET_OS_FAMILY_windows | |
36 # include "thread_windows.inline.hpp" | |
37 #endif | |
3960 | 38 #ifdef TARGET_OS_FAMILY_bsd |
39 # include "thread_bsd.inline.hpp" | |
40 #endif | |
1972 | 41 |
0 | 42 // these inline functions are in a separate file to break an include cycle |
43 // between Thread and Handle | |
44 | |
45 inline Handle::Handle(oop obj) { | |
46 if (obj == NULL) { | |
47 _handle = NULL; | |
48 } else { | |
49 _handle = Thread::current()->handle_area()->allocate_handle(obj); | |
50 } | |
51 } | |
52 | |
53 | |
54 #ifndef ASSERT | |
55 inline Handle::Handle(Thread* thread, oop obj) { | |
56 assert(thread == Thread::current(), "sanity check"); | |
57 if (obj == NULL) { | |
58 _handle = NULL; | |
59 } else { | |
60 _handle = thread->handle_area()->allocate_handle(obj); | |
61 } | |
62 } | |
63 #endif // ASSERT | |
64 | |
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65 // Constructors for metadata handles |
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66 #define DEF_METADATA_HANDLE_FN(name, type) \ |
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67 inline name##Handle::name##Handle(type* obj) : _value(obj), _thread(NULL) { \ |
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68 if (obj != NULL) { \ |
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69 assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ |
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70 _thread = Thread::current(); \ |
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71 assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
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72 _thread->metadata_handles()->push((Metadata*)obj); \ |
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73 } \ |
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74 } \ |
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75 inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \ |
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76 if (obj != NULL) { \ |
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77 assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ |
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78 assert(_thread == Thread::current(), "thread must be current"); \ |
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79 assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
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80 _thread->metadata_handles()->push((Metadata*)obj); \ |
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81 } \ |
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82 } \ |
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83 inline name##Handle::name##Handle(const name##Handle &h) { \ |
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84 _value = h._value; \ |
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85 if (_value != NULL) { \ |
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86 assert(_value->is_valid(), "obj is valid"); \ |
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87 if (h._thread != NULL) { \ |
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88 assert(h._thread == Thread::current(), "thread must be current");\ |
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89 _thread = h._thread; \ |
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90 } else { \ |
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91 _thread = Thread::current(); \ |
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92 } \ |
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93 _thread->metadata_handles()->push((Metadata*)_value); \ |
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94 } \ |
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95 } \ |
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96 inline name##Handle& name##Handle::operator=(const name##Handle &s) { \ |
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97 remove(); \ |
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98 _value = s._value; \ |
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99 if (_value != NULL) { \ |
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100 assert(_value->is_valid(), "obj is valid"); \ |
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101 if (s._thread != NULL) { \ |
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102 assert(s._thread == Thread::current(), "thread must be current");\ |
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103 _thread = s._thread; \ |
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104 } else { \ |
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105 _thread = Thread::current(); \ |
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106 } \ |
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107 _thread->metadata_handles()->push((Metadata*)_value); \ |
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108 } \ |
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109 return *this; \ |
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110 } \ |
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111 inline void name##Handle::remove() { \ |
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112 if (_value != NULL) { \ |
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113 int i = _thread->metadata_handles()->find_from_end((Metadata*)_value); \ |
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114 assert(i!=-1, "not in metadata_handles list"); \ |
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115 _thread->metadata_handles()->remove_at(i); \ |
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116 } \ |
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117 } \ |
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118 inline name##Handle::~name##Handle () { remove(); } \ |
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119 |
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120 DEF_METADATA_HANDLE_FN(method, Method) |
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121 DEF_METADATA_HANDLE_FN(constantPool, ConstantPool) |
0 | 122 |
123 inline HandleMark::HandleMark() { | |
124 initialize(Thread::current()); | |
125 } | |
126 | |
127 | |
128 inline void HandleMark::push() { | |
129 // This is intentionally a NOP. pop_and_restore will reset | |
130 // values to the HandleMark further down the stack, typically | |
131 // in JavaCalls::call_helper. | |
132 debug_only(_area->_handle_mark_nesting++); | |
133 } | |
134 | |
135 inline void HandleMark::pop_and_restore() { | |
136 HandleArea* area = _area; // help compilers with poor alias analysis | |
137 // Delete later chunks | |
138 if( _chunk->next() ) { | |
139 _chunk->next_chop(); | |
140 } | |
141 // Roll back arena to saved top markers | |
142 area->_chunk = _chunk; | |
143 area->_hwm = _hwm; | |
144 area->_max = _max; | |
6197 | 145 area->set_size_in_bytes(_size_in_bytes); |
0 | 146 debug_only(area->_handle_mark_nesting--); |
147 } | |
1972 | 148 |
149 #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |