src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp

rev 4204 : 7163191: G1: introduce a "heap spanning table" abstraction
Summary: Add a heap spanning table and employ it for the heap region sequence table.
Reviewed-by:

*** 35,45 ****
  // Inline functions for G1CollectedHeap
  
  template <class T>
  inline HeapRegion*
  G1CollectedHeap::heap_region_containing(const T addr) const {
!   HeapRegion* hr = _hrs.addr_to_region((HeapWord*) addr);
    // hr can be null if addr in perm_gen
    if (hr != NULL && hr->continuesHumongous()) {
      hr = hr->humongous_start_region();
    }
    return hr;
--- 35,45 ----
  // Inline functions for G1CollectedHeap
  
  template <class T>
  inline HeapRegion*
  G1CollectedHeap::heap_region_containing(const T addr) const {
!   HeapRegion* hr = _hrs.at((HeapWord*) addr);
    // hr can be null if addr in perm_gen
    if (hr != NULL && hr->continuesHumongous()) {
      hr = hr->humongous_start_region();
    }
    return hr;
*** 47,62 ****
  
  template <class T>
  inline HeapRegion*
  G1CollectedHeap::heap_region_containing_raw(const T addr) const {
    assert(_g1_reserved.contains((const void*) addr), "invariant");
!   HeapRegion* res = _hrs.addr_to_region_unsafe((HeapWord*) addr);
    return res;
  }
  
  inline bool G1CollectedHeap::obj_in_cs(oop obj) {
!   HeapRegion* r = _hrs.addr_to_region((HeapWord*) obj);
    return r != NULL && r->in_collection_set();
  }
  
  inline HeapWord*
  G1CollectedHeap::attempt_allocation(size_t word_size,
--- 47,62 ----
  
  template <class T>
  inline HeapRegion*
  G1CollectedHeap::heap_region_containing_raw(const T addr) const {
    assert(_g1_reserved.contains((const void*) addr), "invariant");
!   HeapRegion* res = _hrs.at_unsafe((HeapWord*) addr);
    return res;
  }
  
  inline bool G1CollectedHeap::obj_in_cs(oop obj) {
!   HeapRegion* r = _hrs.at((HeapWord*) obj);
    return r != NULL && r->in_collection_set();
  }
  
  inline HeapWord*
  G1CollectedHeap::attempt_allocation(size_t word_size,