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