Mercurial > hg > graal-compiler
annotate src/share/vm/memory/iterator.cpp @ 1039:987e948ebbc8
6815692: method handle code needs some cleanup (post-6655638)
Summary: correctly raise exceptions, support safe bitwise "raw" conversions, fix bugs revealed by VerifyMethodHandles, remove dead code, improve debugging support
Reviewed-by: never, twisti
author | jrose |
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date | Sat, 17 Oct 2009 19:51:05 -0700 |
parents | a1423fe86a18 |
children | c18cbe5936b8 1a5913bf5e19 |
rev | line source |
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0 | 1 /* |
948 | 2 * Copyright 1997-2009 Sun Microsystems, Inc. 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 * | |
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 # include "incls/_precompiled.incl" | |
26 # include "incls/_iterator.cpp.incl" | |
27 | |
935 | 28 #ifdef ASSERT |
29 bool OopClosure::_must_remember_klasses = false; | |
30 #endif | |
31 | |
0 | 32 void ObjectToOopClosure::do_object(oop obj) { |
33 obj->oop_iterate(_cl); | |
34 } | |
35 | |
36 void VoidClosure::do_void() { | |
37 ShouldNotCallThis(); | |
38 } | |
935 | 39 |
40 #ifdef ASSERT | |
41 bool OopClosure::must_remember_klasses() { | |
42 return _must_remember_klasses; | |
43 } | |
44 void OopClosure::set_must_remember_klasses(bool v) { | |
45 _must_remember_klasses = v; | |
46 } | |
47 #endif | |
48 | |
993 | 49 |
989 | 50 MarkingCodeBlobClosure::MarkScope::MarkScope(bool activate) |
51 : _active(activate) | |
52 { | |
53 if (_active) nmethod::oops_do_marking_prologue(); | |
54 } | |
55 | |
56 MarkingCodeBlobClosure::MarkScope::~MarkScope() { | |
57 if (_active) nmethod::oops_do_marking_epilogue(); | |
58 } | |
59 | |
60 void MarkingCodeBlobClosure::do_code_blob(CodeBlob* cb) { | |
61 if (!cb->is_nmethod()) return; | |
62 nmethod* nm = (nmethod*) cb; | |
63 if (!nm->test_set_oops_do_mark()) { | |
64 NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, 1st visit\n")); | |
65 do_newly_marked_nmethod(nm); | |
66 } else { | |
67 NOT_PRODUCT(if (TraceScavenge) nm->print_on(tty, "oops_do, skipped on 2nd visit\n")); | |
68 } | |
69 } | |
70 | |
994
753cf9794df9
6885169: merge of 4957990 and 6863023 causes conflict on do_nmethods
jrose
parents:
993
diff
changeset
|
71 void CodeBlobToOopClosure::do_newly_marked_nmethod(nmethod* nm) { |
753cf9794df9
6885169: merge of 4957990 and 6863023 causes conflict on do_nmethods
jrose
parents:
993
diff
changeset
|
72 nm->oops_do(_cl, /*do_strong_roots_only=*/ true); |
989 | 73 } |
74 | |
75 void CodeBlobToOopClosure::do_code_blob(CodeBlob* cb) { | |
76 if (!_do_marking) { | |
77 NOT_PRODUCT(if (TraceScavenge && Verbose && cb->is_nmethod()) ((nmethod*)cb)->print_on(tty, "oops_do, unmarked visit\n")); | |
78 // This assert won't work, since there are lots of mini-passes | |
79 // (mostly in debug mode) that co-exist with marking phases. | |
80 //assert(!(cb->is_nmethod() && ((nmethod*)cb)->test_oops_do_mark()), "found marked nmethod during mark-free phase"); | |
81 cb->oops_do(_cl); | |
82 } else { | |
83 MarkingCodeBlobClosure::do_code_blob(cb); | |
84 } | |
85 } | |
86 | |
87 |