Mercurial > hg > graal-compiler
comparison src/share/vm/runtime/handles.inline.hpp @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
---|---|
date | Sat, 01 Dec 2007 00:00:00 +0000 |
parents | |
children | c18cbe5936b8 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:a61af66fc99e |
---|---|
1 /* | |
2 * Copyright 1998-2003 Sun Microsystems, Inc. All Rights Reserved. | |
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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
22 * | |
23 */ | |
24 | |
25 // these inline functions are in a separate file to break an include cycle | |
26 // between Thread and Handle | |
27 | |
28 inline Handle::Handle(oop obj) { | |
29 if (obj == NULL) { | |
30 _handle = NULL; | |
31 } else { | |
32 _handle = Thread::current()->handle_area()->allocate_handle(obj); | |
33 } | |
34 } | |
35 | |
36 | |
37 #ifndef ASSERT | |
38 inline Handle::Handle(Thread* thread, oop obj) { | |
39 assert(thread == Thread::current(), "sanity check"); | |
40 if (obj == NULL) { | |
41 _handle = NULL; | |
42 } else { | |
43 _handle = thread->handle_area()->allocate_handle(obj); | |
44 } | |
45 } | |
46 #endif // ASSERT | |
47 | |
48 | |
49 inline HandleMark::HandleMark() { | |
50 initialize(Thread::current()); | |
51 } | |
52 | |
53 | |
54 inline void HandleMark::push() { | |
55 // This is intentionally a NOP. pop_and_restore will reset | |
56 // values to the HandleMark further down the stack, typically | |
57 // in JavaCalls::call_helper. | |
58 debug_only(_area->_handle_mark_nesting++); | |
59 } | |
60 | |
61 inline void HandleMark::pop_and_restore() { | |
62 HandleArea* area = _area; // help compilers with poor alias analysis | |
63 // Delete later chunks | |
64 if( _chunk->next() ) { | |
65 _chunk->next_chop(); | |
66 } | |
67 // Roll back arena to saved top markers | |
68 area->_chunk = _chunk; | |
69 area->_hwm = _hwm; | |
70 area->_max = _max; | |
71 NOT_PRODUCT(area->set_size_in_bytes(_size_in_bytes);) | |
72 debug_only(area->_handle_mark_nesting--); | |
73 } |