Mercurial > hg > truffle
annotate src/share/vm/runtime/monitorChunk.hpp @ 1744:f8c5d1bdaad4
6885308: The incorrect -XX:StackRedPages, -XX:StackShadowPages, -XX:StackYellowPages could cause VM crash
Summary: Test minimal stack sizes given (also fixed linux compilation error)
Reviewed-by: never, phh, coleenp
author | ptisnovs |
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date | Thu, 19 Aug 2010 14:23:59 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 1997, 2000, Oracle and/or its affiliates. All rights reserved. |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 // Data structure for holding monitors for one activation during | |
26 // deoptimization. | |
27 | |
28 class MonitorChunk: public CHeapObj { | |
29 private: | |
30 int _number_of_monitors; | |
31 BasicObjectLock* _monitors; | |
32 BasicObjectLock* monitors() const { return _monitors; } | |
33 MonitorChunk* _next; | |
34 public: | |
35 // Constructor | |
36 MonitorChunk(int number_on_monitors); | |
37 ~MonitorChunk(); | |
38 | |
39 // link operations | |
40 MonitorChunk* next() const { return _next; } | |
41 void set_next(MonitorChunk* next) { _next = next; } | |
42 | |
43 // Tells whether the monitor chunk is linked into the JavaThread | |
44 bool is_linked() const { return next() != NULL; } | |
45 | |
46 // Returns the number of monitors | |
47 int number_of_monitors() const { return _number_of_monitors; } | |
48 | |
49 // Returns the index'th monitor | |
50 BasicObjectLock* at(int index) { assert(index >= 0 && index < number_of_monitors(), "out of bounds check"); return &monitors()[index]; } | |
51 | |
52 | |
53 // Memory management | |
54 void oops_do(OopClosure* f); | |
55 | |
56 // Tells whether the addr point into the monitors. | |
57 bool contains(void* addr) const { return (addr >= (void*) monitors()) && (addr < (void*) (monitors() + number_of_monitors())); } | |
58 }; |