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comparison src/share/vm/utilities/globalDefinitions.hpp @ 12056:740e263c80c6

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8003424: Enable Class Data Sharing for CompressedOops 8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops 8005933: The -Xshare:auto option is ignored for -server Summary: Move klass metaspace above the heap and support CDS with compressed klass ptrs. Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
author hseigel
date Thu, 15 Aug 2013 20:04:10 -0400
parents 90d6c221d4e5
children 58fc8e2b7b6d e5003079dfa5
comparison
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12055:d96f52012aaa 12056:740e263c80c6
359 const int KlassAlignmentInBytes = 1 << LogKlassAlignmentInBytes; 359 const int KlassAlignmentInBytes = 1 << LogKlassAlignmentInBytes;
360 const int KlassAlignment = KlassAlignmentInBytes / HeapWordSize; 360 const int KlassAlignment = KlassAlignmentInBytes / HeapWordSize;
361 361
362 // Klass encoding metaspace max size 362 // Klass encoding metaspace max size
363 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes; 363 const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes;
364
365 const jlong CompressedKlassPointersBase = NOT_LP64(0) LP64_ONLY(CONST64(0x800000000)); // 32*G
364 366
365 // Machine dependent stuff 367 // Machine dependent stuff
366 368
367 #ifdef TARGET_ARCH_x86 369 #ifdef TARGET_ARCH_x86
368 # include "globalDefinitions_x86.hpp" 370 # include "globalDefinitions_x86.hpp"