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comparison src/share/vm/gc_implementation/g1/heapRegion.hpp @ 6010:720b6a76dd9d

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7157073: G1: type change size_t -> uint for region counts / indexes Summary: Change the type of fields / variables / etc. that represent region counts and indeces from size_t to uint. Reviewed-by: iveresov, brutisso, jmasa, jwilhelm
author tonyp
date Wed, 18 Apr 2012 07:21:15 -0400
parents b632e80fc9dc
children f7a8920427a6
comparison
equal deleted inserted replaced
6009:dde53abda3d6 6010:720b6a76dd9d
50 class HeapRegionRemSet; 50 class HeapRegionRemSet;
51 class HeapRegionRemSetIterator; 51 class HeapRegionRemSetIterator;
52 class HeapRegion; 52 class HeapRegion;
53 class HeapRegionSetBase; 53 class HeapRegionSetBase;
54 54
55 #define HR_FORMAT SIZE_FORMAT":(%s)["PTR_FORMAT","PTR_FORMAT","PTR_FORMAT"]" 55 #define HR_FORMAT "%u:(%s)["PTR_FORMAT","PTR_FORMAT","PTR_FORMAT"]"
56 #define HR_FORMAT_PARAMS(_hr_) \ 56 #define HR_FORMAT_PARAMS(_hr_) \
57 (_hr_)->hrs_index(), \ 57 (_hr_)->hrs_index(), \
58 (_hr_)->is_survivor() ? "S" : (_hr_)->is_young() ? "E" : "-", \ 58 (_hr_)->is_survivor() ? "S" : (_hr_)->is_young() ? "E" : "-", \
59 (_hr_)->bottom(), (_hr_)->top(), (_hr_)->end() 59 (_hr_)->bottom(), (_hr_)->top(), (_hr_)->end()
60
61 // sentinel value for hrs_index
62 #define G1_NULL_HRS_INDEX ((uint) -1)
60 63
61 // A dirty card to oop closure for heap regions. It 64 // A dirty card to oop closure for heap regions. It
62 // knows how to get the G1 heap and how to use the bitmap 65 // knows how to get the G1 heap and how to use the bitmap
63 // in the concurrent marker used by G1 to filter remembered 66 // in the concurrent marker used by G1 to filter remembered
64 // sets. 67 // sets.
233 236
234 G1BlockOffsetArrayContigSpace* offsets() { return &_offsets; } 237 G1BlockOffsetArrayContigSpace* offsets() { return &_offsets; }
235 238
236 protected: 239 protected:
237 // The index of this region in the heap region sequence. 240 // The index of this region in the heap region sequence.
238 size_t _hrs_index; 241 uint _hrs_index;
239 242
240 HumongousType _humongous_type; 243 HumongousType _humongous_type;
241 // For a humongous region, region in which it starts. 244 // For a humongous region, region in which it starts.
242 HeapRegion* _humongous_start_region; 245 HeapRegion* _humongous_start_region;
243 // For the start region of a humongous sequence, it's original end(). 246 // For the start region of a humongous sequence, it's original end().
340 // the total value for the collection set. 343 // the total value for the collection set.
341 size_t _predicted_bytes_to_copy; 344 size_t _predicted_bytes_to_copy;
342 345
343 public: 346 public:
344 // If "is_zeroed" is "true", the region "mr" can be assumed to contain zeros. 347 // If "is_zeroed" is "true", the region "mr" can be assumed to contain zeros.
345 HeapRegion(size_t hrs_index, 348 HeapRegion(uint hrs_index,
346 G1BlockOffsetSharedArray* sharedOffsetArray, 349 G1BlockOffsetSharedArray* sharedOffsetArray,
347 MemRegion mr, bool is_zeroed); 350 MemRegion mr, bool is_zeroed);
348 351
349 static int LogOfHRGrainBytes; 352 static int LogOfHRGrainBytes;
350 static int LogOfHRGrainWords; 353 static int LogOfHRGrainWords;
387 return ContiguousSpace::allocate(word_size); 390 return ContiguousSpace::allocate(word_size);
388 } 391 }
389 392
390 // If this region is a member of a HeapRegionSeq, the index in that 393 // If this region is a member of a HeapRegionSeq, the index in that
391 // sequence, otherwise -1. 394 // sequence, otherwise -1.
392 size_t hrs_index() const { return _hrs_index; } 395 uint hrs_index() const { return _hrs_index; }
393 396
394 // The number of bytes marked live in the region in the last marking phase. 397 // The number of bytes marked live in the region in the last marking phase.
395 size_t marked_bytes() { return _prev_marked_bytes; } 398 size_t marked_bytes() { return _prev_marked_bytes; }
396 size_t live_bytes() { 399 size_t live_bytes() {
397 return (top() - prev_top_at_mark_start()) * HeapWordSize + marked_bytes(); 400 return (top() - prev_top_at_mark_start()) * HeapWordSize + marked_bytes();