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8003424: Enable Class Data Sharing for CompressedOops

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8016729: ObjectAlignmentInBytes=16 now forces the use of heap based compressed oops
8005933: The -Xshare:auto option is ignored for -server

Move klass metaspace above the heap and support CDS with compressed klass ptrs.

Reviewed-by: coleenp, kvn, mgerdin, tschatzl, stefank
This commit is contained in:
Harold Seigel 2013-08-15 20:04:10 -04:00
parent 9d372e7801
commit 4d91f4e69d
34 changed files with 876 additions and 552 deletions
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2
hotspot/src/share/vm/utilities/globalDefinitions.hpp
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@ -362,6 +362,8 @@ const int KlassAlignment = KlassAlignmentInBytes / HeapWordSize;
// Klass encoding metaspace max size
const uint64_t KlassEncodingMetaspaceMax = (uint64_t(max_juint) + 1) << LogKlassAlignmentInBytes;
const jlong CompressedKlassPointersBase = NOT_LP64(0) LP64_ONLY(CONST64(0x800000000)); // 32*G
// Machine dependent stuff
#ifdef TARGET_ARCH_x86