23  */
  24 
  25 #ifndef SHARE_VM_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP
  26 #define SHARE_VM_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP
  27 
  28 #include "gc/parallel/psPromotionLAB.hpp"
  29 #include "gc/shared/collectedHeap.inline.hpp"
  30 
  31 HeapWord* PSYoungPromotionLAB::allocate(size_t size) {
  32   // Can't assert this, when young fills, we keep the LAB around, but flushed.
  33   // assert(_state != flushed, "Sanity");
  34   HeapWord* obj = CollectedHeap::align_allocation_or_fail(top(), end(), SurvivorAlignmentInBytes);
  35   if (obj == NULL) {
  36     return NULL;
  37   }
  38 
  39   HeapWord* new_top = obj + size;
  40   // The 'new_top>obj' check is needed to detect overflow of obj+size.
  41   if (new_top > obj && new_top <= end()) {
  42     set_top(new_top);
  43     assert(is_ptr_aligned(obj, SurvivorAlignmentInBytes) && is_object_aligned((intptr_t)new_top),
  44            "checking alignment");
  45     return obj;
  46   } else {
  47     set_top(obj);
  48     return NULL;
  49   }
  50 }
  51 
  52 #endif // SHARE_VM_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP

  23  */
  24 
  25 #ifndef SHARE_VM_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP
  26 #define SHARE_VM_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP
  27 
  28 #include "gc/parallel/psPromotionLAB.hpp"
  29 #include "gc/shared/collectedHeap.inline.hpp"
  30 
  31 HeapWord* PSYoungPromotionLAB::allocate(size_t size) {
  32   // Can't assert this, when young fills, we keep the LAB around, but flushed.
  33   // assert(_state != flushed, "Sanity");
  34   HeapWord* obj = CollectedHeap::align_allocation_or_fail(top(), end(), SurvivorAlignmentInBytes);
  35   if (obj == NULL) {
  36     return NULL;
  37   }
  38 
  39   HeapWord* new_top = obj + size;
  40   // The 'new_top>obj' check is needed to detect overflow of obj+size.
  41   if (new_top > obj && new_top <= end()) {
  42     set_top(new_top);
  43     assert(is_ptr_aligned(obj, SurvivorAlignmentInBytes) && is_ptr_object_aligned(new_top),
  44            "checking alignment");
  45     return obj;
  46   } else {
  47     set_top(obj);
  48     return NULL;
  49   }
  50 }
  51 
  52 #endif // SHARE_VM_GC_PARALLEL_PSPROMOTIONLAB_INLINE_HPP