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

Sat, 06 Oct 2012 01:17:44 -0700

author
johnc
date
Sat, 06 Oct 2012 01:17:44 -0700
changeset 4173
8a5ea0a9ccc4
parent 3713
720b6a76dd9d
child 5773
a19bea467577
permissions
-rw-r--r--

7127708: G1: change task num types from int to uint in concurrent mark
Summary: Change the type of various task num fields, parameters etc to unsigned and rename them to be more consistent with the other collectors. Code changes were also reviewed by Vitaly Davidovich.
Reviewed-by: johnc
Contributed-by: Kaushik Srenevasan <kaushik@twitter.com>

     1 /*
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     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
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     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
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    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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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 uintx HeapRegionSeq::addr_to_index_biased(HeapWord* addr) const {
    32   assert(_heap_bottom <= addr && addr < _heap_end,
    33          err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
    34                  addr, _heap_bottom, _heap_end));
    35   uintx index = (uintx) addr >> _region_shift;
    36   return index;
    37 }
    39 inline HeapRegion* HeapRegionSeq::addr_to_region_unsafe(HeapWord* addr) const {
    40   assert(_heap_bottom <= addr && addr < _heap_end,
    41          err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT" end: "PTR_FORMAT,
    42                  addr, _heap_bottom, _heap_end));
    43   uintx index_biased = addr_to_index_biased(addr);
    44   HeapRegion* hr = _regions_biased[index_biased];
    45   assert(hr != NULL, "invariant");
    46   return hr;
    47 }
    49 inline HeapRegion* HeapRegionSeq::addr_to_region(HeapWord* addr) const {
    50   if (addr != NULL && addr < _heap_end) {
    51     assert(addr >= _heap_bottom,
    52           err_msg("addr: "PTR_FORMAT" bottom: "PTR_FORMAT, addr, _heap_bottom));
    53     return addr_to_region_unsafe(addr);
    54   }
    55   return NULL;
    56 }
    58 inline HeapRegion* HeapRegionSeq::at(uint index) const {
    59   assert(index < length(), "pre-condition");
    60   HeapRegion* hr = _regions[index];
    61   assert(hr != NULL, "sanity");
    62   assert(hr->hrs_index() == index, "sanity");
    63   return hr;
    64 }
    66 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_HEAPREGIONSEQ_INLINE_HPP

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