1.1 --- a/src/share/vm/memory/defNewGeneration.hpp Fri Jul 25 11:29:03 2008 -0700
1.2 +++ b/src/share/vm/memory/defNewGeneration.hpp Mon Jul 28 15:30:23 2008 -0700
1.3 @@ -279,6 +279,9 @@
1.4 virtual void gc_prologue(bool full);
1.5 virtual void gc_epilogue(bool full);
1.6
1.7 + // Save the tops for eden, from, and to
1.8 + virtual void record_spaces_top();
1.9 +
1.10 // Doesn't require additional work during GC prologue and epilogue
1.11 virtual bool performs_in_place_marking() const { return false; }
1.12
1.13 @@ -299,9 +302,12 @@
1.14
1.15 // For non-youngest collection, the DefNewGeneration can contribute
1.16 // "to-space".
1.17 - void contribute_scratch(ScratchBlock*& list, Generation* requestor,
1.18 + virtual void contribute_scratch(ScratchBlock*& list, Generation* requestor,
1.19 size_t max_alloc_words);
1.20
1.21 + // Reset for contribution of "to-space".
1.22 + virtual void reset_scratch();
1.23 +
1.24 // GC support
1.25 virtual void compute_new_size();
1.26 virtual void collect(bool full,
1.27 @@ -331,7 +337,12 @@
1.28 void verify(bool allow_dirty);
1.29
1.30 protected:
1.31 - void compute_space_boundaries(uintx minimum_eden_size);
1.32 + // If clear_space is true, clear the survivor spaces. Eden is
1.33 + // cleared if the minimum size of eden is 0. If mangle_space
1.34 + // is true, also mangle the space in debug mode.
1.35 + void compute_space_boundaries(uintx minimum_eden_size,
1.36 + bool clear_space,
1.37 + bool mangle_space);
1.38 // Scavenge support
1.39 void swap_spaces();
1.40 };
