Tue, 19 Aug 2014 02:05:49 -0700
8044406: JVM crash with JDK8 (build 1.8.0-b132) with G1 GC
Summary: Fill the last card that has been allocated into with a dummy object
Reviewed-by: tschatzl, mgerdin
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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5 * This code is free software; you can redistribute it and/or modify it
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13 * accompanied this code).
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25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP
26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP
28 // The following OopClosure types get specialized versions of
29 // "oop_oop_iterate" that invoke the closures' do_oop methods
30 // non-virtually, using a mechanism defined in this file. Extend these
31 // macros in the obvious way to add specializations for new closures.
33 // Forward declarations.
34 enum G1Barrier {
35 G1BarrierNone,
36 G1BarrierEvac,
37 G1BarrierKlass
38 };
40 template<G1Barrier barrier, bool do_mark_object>
41 class G1ParCopyClosure;
43 class G1ParScanClosure;
44 class G1ParPushHeapRSClosure;
46 class FilterIntoCSClosure;
47 class FilterOutOfRegionClosure;
48 class G1CMOopClosure;
49 class G1RootRegionScanClosure;
51 // Specialized oop closures from g1RemSet.cpp
52 class G1Mux2Closure;
53 class G1TriggerClosure;
54 class G1InvokeIfNotTriggeredClosure;
55 class G1UpdateRSOrPushRefOopClosure;
57 #ifdef FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES
58 #error "FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES already defined."
59 #endif
61 #define FURTHER_SPECIALIZED_OOP_OOP_ITERATE_CLOSURES(f) \
62 f(G1ParScanClosure,_nv) \
63 f(G1ParPushHeapRSClosure,_nv) \
64 f(FilterIntoCSClosure,_nv) \
65 f(FilterOutOfRegionClosure,_nv) \
66 f(G1CMOopClosure,_nv) \
67 f(G1RootRegionScanClosure,_nv) \
68 f(G1Mux2Closure,_nv) \
69 f(G1TriggerClosure,_nv) \
70 f(G1InvokeIfNotTriggeredClosure,_nv) \
71 f(G1UpdateRSOrPushRefOopClosure,_nv)
73 #ifdef FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES
74 #error "FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES already defined."
75 #endif
77 #define FURTHER_SPECIALIZED_SINCE_SAVE_MARKS_CLOSURES(f)
79 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1_SPECIALIZED_OOP_CLOSURES_HPP