8057752: WhiteBox extension support for testing Summary: Refactored parts of whitebox.cpp to enable registration of whitebox methods defined outside this file. Reviewed-by: mikael, ctornqvi, jmasa

8057827: notify an obj when allocation context stats are available Reviewed-by: mikael, jmasa, tschatzl

8057824: methods to copy allocation context statistics Reviewed-by: mikael, jmasa, tschatzl

8057818: collect allocation context statistics at gc pauses Reviewed-by: mikael, jmasa

8057710: Refactor G1 heap region default sizes Summary: Refactored the defines to instead be static const in a HeapRegionBounds class. Reviewed-by: mgerdin, tschatzl

8057658: Enable G1 FullGC extensions Summary: Refactored the G1 FullGC code to enable it to be extended. Reviewed-by: mgerdin, brutisso

8057623: add an extension class for argument handling Reviewed-by: brutisso, mgerdin, tschatzl

8057536: Refactor G1 to allow context specific allocations Summary: Splitting out a g1 allocator class to simply specialized allocators which can associate each allocation with a given context. Reviewed-by: mgerdin, brutisso

8057531: refactor gc argument processing code slightly Reviewed-by: mgerdin, tschatzl, jmasa

8054970: gc src file exclusion should exclude alternative sources Reviewed-by: ehelin, stefank

8057535: add a thread extension class Reviewed-by: mgerdin, bdelsart, jcoomes

Merge

Merge

8035729: Code using assert(is_oop_or_null) needs better error messages Summary: Modified error messages to include the oops Reviewed-by: stefank, tschatzl