Mercurial > hg > truffle
annotate src/share/vm/services/memPtr.cpp @ 6800:9191895df19d
7200001: failed C1 OSR compile doesn't get recompiled with C2
Reviewed-by: kvn
author | twisti |
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date | Mon, 24 Sep 2012 17:59:24 -0700 |
parents | 33143ee07800 |
children | 716c64bda5ba |
rev | line source |
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6197 | 1 /* |
2 * Copyright (c) 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 * | |
23 */ | |
24 | |
25 #include "precompiled.hpp" | |
26 #include "services/memPtr.hpp" | |
27 #include "services/memTracker.hpp" | |
28 | |
29 volatile jint SequenceGenerator::_seq_number = 1; | |
6607
e5bf1c79ed5b
7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
zgu
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30 NOT_PRODUCT(jint SequenceGenerator::_max_seq_number = 1;) |
6197 | 31 DEBUG_ONLY(volatile unsigned long SequenceGenerator::_generation = 0;) |
32 | |
33 jint SequenceGenerator::next() { | |
34 jint seq = Atomic::add(1, &_seq_number); | |
35 if (seq < 0) { | |
36 MemTracker::shutdown(MemTracker::NMT_sequence_overflow); | |
37 } | |
38 assert(seq > 0, "counter overflow"); | |
6607
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7191124: Optimized build is broken due to inconsistent use of DEBUG_ONLY and NOT_PRODUCT macros in NMT
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39 NOT_PRODUCT(_max_seq_number = (seq > _max_seq_number) ? seq : _max_seq_number;) |
6197 | 40 return seq; |
41 } | |
42 | |
43 | |
44 | |
45 bool VMMemRegion::contains(const VMMemRegion* mr) const { | |
6741
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7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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46 assert(base() != 0, "Sanity check"); |
6197 | 47 assert(size() != 0 || committed_size() != 0, |
6741
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7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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48 "Sanity check"); |
6197 | 49 address base_addr = base(); |
50 address end_addr = base_addr + | |
51 (is_reserve_record()? reserved_size(): committed_size()); | |
52 if (mr->is_reserve_record()) { | |
53 if (mr->base() == base_addr && mr->size() == size()) { | |
54 // the same range | |
55 return true; | |
56 } | |
57 return false; | |
58 } else if (mr->is_commit_record() || mr->is_uncommit_record()) { | |
59 assert(mr->base() != 0 && mr->committed_size() > 0, | |
60 "bad record"); | |
61 return (mr->base() >= base_addr && | |
62 (mr->base() + mr->committed_size()) <= end_addr); | |
63 } else if (mr->is_type_tagging_record()) { | |
6741
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7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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64 assert(mr->base() != NULL, "Sanity check"); |
33143ee07800
7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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65 return (mr->base() >= base_addr && mr->base() < end_addr); |
6197 | 66 } else if (mr->is_release_record()) { |
67 assert(mr->base() != 0 && mr->size() > 0, | |
68 "bad record"); | |
69 return (mr->base() == base_addr && mr->size() == size()); | |
70 } else { | |
6741
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7181995: NMT ON: NMT assertion failure assert(cur_vm->is_uncommit_record() || cur_vm->is_deallocation_record
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71 ShouldNotReachHere(); |
6197 | 72 return false; |
73 } | |
74 } |