jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/heapRegionSeq.inline.hpp@a19bea467577

7163191: G1: introduce a "heap spanning table" abstraction
Summary: Add G1BiasedArray<T> that is an array where each element represents a fixed-sized subdivision of the heap. Use this abstraction to refactor the HeapRegionSeq class.
Reviewed-by: brutisso

     1 /*

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     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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    13  * accompanied this code).

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    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP

    26 #define SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP

    28 #include "gc_implementation/g1/heapRegion.hpp"

    29 #include "gc_implementation/g1/heapRegionSeq.hpp"

    31 inline HeapRegion* HeapRegionSeq::addr_to_region_unsafe(HeapWord* addr) const {

    32   HeapRegion* hr = _regions.get_by_address(addr);

    33   assert(hr != NULL, "invariant");

    34   return hr;

    35 }

    37 inline HeapRegion* HeapRegionSeq::addr_to_region(HeapWord* addr) const {

    38   if (addr != NULL && addr < heap_end()) {

    39     assert(addr >= heap_bottom(),

    40           err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT, addr, heap_bottom()));

    41     return addr_to_region_unsafe(addr);

    42   }

    43   return NULL;

    44 }

    46 inline HeapRegion* HeapRegionSeq::at(uint index) const {

    47   assert(index < length(), "pre-condition");

    48   HeapRegion* hr = _regions.get_by_index(index);

    49   assert(hr != NULL, "sanity");

    50   assert(hr->hrs_index() == index, "sanity");

    51   return hr;

    52 }

    54 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/gc_implementation/g1/heapRegionSeq.inline.hpp@a19bea467577

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