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6420645: Create a vm that uses compressed oops for up to 32gb heapsizes

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Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
This commit is contained in:
Coleen Phillimore 2008-04-13 17:43:42 -04:00
parent 680ecf1611
commit 4a831d45f0
273 changed files with 6585 additions and 2993 deletions
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7
hotspot/src/share/vm/memory/serialize.cpp
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@ -41,17 +41,18 @@ void CompactingPermGenGen::serialize_oops(SerializeOopClosure* soc) {
int tag = 0;
soc->do_tag(--tag);
assert(!UseCompressedOops, "UseCompressedOops doesn't work with shared archive");
// Verify the sizes of various oops in the system.
soc->do_tag(sizeof(oopDesc));
soc->do_tag(sizeof(instanceOopDesc));
soc->do_tag(sizeof(methodOopDesc));
soc->do_tag(sizeof(constMethodOopDesc));
soc->do_tag(sizeof(methodDataOopDesc));
soc->do_tag(sizeof(arrayOopDesc));
soc->do_tag(arrayOopDesc::base_offset_in_bytes(T_BYTE));
soc->do_tag(sizeof(constantPoolOopDesc));
soc->do_tag(sizeof(constantPoolCacheOopDesc));
soc->do_tag(sizeof(objArrayOopDesc));
soc->do_tag(sizeof(typeArrayOopDesc));
soc->do_tag(objArrayOopDesc::base_offset_in_bytes(T_BYTE));
soc->do_tag(typeArrayOopDesc::base_offset_in_bytes(T_BYTE));
soc->do_tag(sizeof(symbolOopDesc));
soc->do_tag(sizeof(klassOopDesc));
soc->do_tag(sizeof(markOopDesc));