Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/handles.inline.hpp @ 11813:9af8b109ec0f
Truffle: force slow path on StringBuilder methods.
author | Andreas Woess <andreas.woess@jku.at> |
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date | Thu, 26 Sep 2013 16:44:54 +0200 |
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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" | |
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29 #include "runtime/thread.inline.hpp" |
1972 | 30 |
0 | 31 // these inline functions are in a separate file to break an include cycle |
32 // between Thread and Handle | |
33 | |
34 inline Handle::Handle(oop obj) { | |
35 if (obj == NULL) { | |
36 _handle = NULL; | |
37 } else { | |
38 _handle = Thread::current()->handle_area()->allocate_handle(obj); | |
39 } | |
40 } | |
41 | |
42 | |
43 #ifndef ASSERT | |
44 inline Handle::Handle(Thread* thread, oop obj) { | |
45 assert(thread == Thread::current(), "sanity check"); | |
46 if (obj == NULL) { | |
47 _handle = NULL; | |
48 } else { | |
49 _handle = thread->handle_area()->allocate_handle(obj); | |
50 } | |
51 } | |
52 #endif // ASSERT | |
53 | |
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54 // Constructors for metadata handles |
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55 #define DEF_METADATA_HANDLE_FN(name, type) \ |
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56 inline name##Handle::name##Handle(type* obj) : _value(obj), _thread(NULL) { \ |
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57 if (obj != NULL) { \ |
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58 assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ |
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59 _thread = Thread::current(); \ |
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60 assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
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61 _thread->metadata_handles()->push((Metadata*)obj); \ |
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62 } \ |
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63 } \ |
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64 inline name##Handle::name##Handle(Thread* thread, type* obj) : _value(obj), _thread(thread) { \ |
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65 if (obj != NULL) { \ |
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66 assert(((Metadata*)obj)->is_valid(), "obj is valid"); \ |
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67 assert(_thread == Thread::current(), "thread must be current"); \ |
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68 assert (_thread->is_in_stack((address)this), "not on stack?"); \ |
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69 _thread->metadata_handles()->push((Metadata*)obj); \ |
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70 } \ |
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71 } \ |
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72 inline name##Handle::name##Handle(const name##Handle &h) { \ |
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73 _value = h._value; \ |
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74 if (_value != NULL) { \ |
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75 assert(_value->is_valid(), "obj is valid"); \ |
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76 if (h._thread != NULL) { \ |
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77 assert(h._thread == Thread::current(), "thread must be current");\ |
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78 _thread = h._thread; \ |
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79 } else { \ |
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80 _thread = Thread::current(); \ |
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81 } \ |
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82 _thread->metadata_handles()->push((Metadata*)_value); \ |
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83 } else { \ |
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84 _thread = NULL; \ |
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85 } \ |
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86 } \ |
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87 inline name##Handle& name##Handle::operator=(const name##Handle &s) { \ |
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88 remove(); \ |
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89 _value = s._value; \ |
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90 if (_value != NULL) { \ |
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91 assert(_value->is_valid(), "obj is valid"); \ |
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92 if (s._thread != NULL) { \ |
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93 assert(s._thread == Thread::current(), "thread must be current");\ |
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94 _thread = s._thread; \ |
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95 } else { \ |
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96 _thread = Thread::current(); \ |
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97 } \ |
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98 _thread->metadata_handles()->push((Metadata*)_value); \ |
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99 } else { \ |
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100 _thread = NULL; \ |
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101 } \ |
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102 return *this; \ |
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103 } \ |
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104 inline void name##Handle::remove() { \ |
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105 if (_value != NULL) { \ |
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106 int i = _thread->metadata_handles()->find_from_end((Metadata*)_value); \ |
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107 assert(i!=-1, "not in metadata_handles list"); \ |
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108 _thread->metadata_handles()->remove_at(i); \ |
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109 } \ |
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110 } \ |
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111 inline name##Handle::~name##Handle () { remove(); } \ |
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112 |
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113 DEF_METADATA_HANDLE_FN(method, Method) |
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114 DEF_METADATA_HANDLE_FN(constantPool, ConstantPool) |
0 | 115 |
116 inline HandleMark::HandleMark() { | |
117 initialize(Thread::current()); | |
118 } | |
119 | |
120 | |
121 inline void HandleMark::push() { | |
122 // This is intentionally a NOP. pop_and_restore will reset | |
123 // values to the HandleMark further down the stack, typically | |
124 // in JavaCalls::call_helper. | |
125 debug_only(_area->_handle_mark_nesting++); | |
126 } | |
127 | |
128 inline void HandleMark::pop_and_restore() { | |
129 HandleArea* area = _area; // help compilers with poor alias analysis | |
130 // Delete later chunks | |
131 if( _chunk->next() ) { | |
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132 // reset arena size before delete chunks. Otherwise, the total |
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133 // arena size could exceed total chunk size |
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134 assert(area->size_in_bytes() > size_in_bytes(), "Sanity check"); |
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135 area->set_size_in_bytes(size_in_bytes()); |
0 | 136 _chunk->next_chop(); |
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137 } else { |
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138 assert(area->size_in_bytes() == size_in_bytes(), "Sanity check"); |
0 | 139 } |
140 // Roll back arena to saved top markers | |
141 area->_chunk = _chunk; | |
142 area->_hwm = _hwm; | |
143 area->_max = _max; | |
144 debug_only(area->_handle_mark_nesting--); | |
145 } | |
1972 | 146 |
147 #endif // SHARE_VM_RUNTIME_HANDLES_INLINE_HPP |