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6711316: Open source the Garbage-First garbage collector

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First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
This commit is contained in:
Y. Srinivas Ramakrishna 2008-06-05 15:57:56 -07:00
parent 39463bb3fc
commit 18f3386a98
215 changed files with 36088 additions and 1249 deletions
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9
hotspot/src/share/vm/memory/genRemSet.hpp
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@ -42,6 +42,7 @@ public:
};
GenRemSet(BarrierSet * bs) : _bs(bs) {}
GenRemSet() : _bs(NULL) {}
virtual Name rs_kind() = 0;
@ -53,6 +54,9 @@ public:
// Return the barrier set associated with "this."
BarrierSet* bs() { return _bs; }
// Set the barrier set.
void set_bs(BarrierSet* bs) { _bs = bs; }
// Do any (sequential) processing necessary to prepare for (possibly
// "parallel", if that arg is true) calls to younger_refs_iterate.
virtual void prepare_for_younger_refs_iterate(bool parallel) = 0;
@ -116,7 +120,10 @@ public:
// Informs the RS that refs in the given "mr" may have changed
// arbitrarily, and therefore may contain old-to-young pointers.
virtual void invalidate(MemRegion mr) = 0;
// If "whole heap" is true, then this invalidation is part of an
// invalidation of the whole heap, which an implementation might
// handle differently than that of a sub-part of the heap.
virtual void invalidate(MemRegion mr, bool whole_heap = false) = 0;
// Informs the RS that refs in this generation
// may have changed arbitrarily, and therefore may contain