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8000968: NPG: UseCompressedKlassPointers asserts with ObjectAlignmentInBytes for > 32G CompressedOops

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Pick a base that works for both CompressedOpps alignment and CompressedKlassPtrs alignment.

Reviewed-by: kvn, roland
This commit is contained in:
Harold Seigel 2013-02-04 08:26:02 -05:00
parent 6c6a537471
commit 1831def9cc
5 changed files with 154 additions and 20 deletions
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12
hotspot/src/share/vm/memory/universe.hpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -211,6 +211,9 @@ class Universe: AllStatic {
static struct NarrowPtrStruct _narrow_klass;
static address _narrow_ptrs_base;
// Aligned size of the metaspace.
static size_t _class_metaspace_size;
// array of dummy objects used with +FullGCAlot
debug_only(static objArrayOop _fullgc_alot_dummy_array;)
// index of next entry to clear
@ -278,6 +281,13 @@ class Universe: AllStatic {
static bool reserve_metaspace_helper(bool with_base = false);
static ReservedHeapSpace reserve_heap_metaspace(size_t heap_size, size_t alignment, bool& contiguous);
static size_t class_metaspace_size() {
return _class_metaspace_size;
}
static void set_class_metaspace_size(size_t metaspace_size) {
_class_metaspace_size = metaspace_size;
}
// Debugging
static int _verify_count; // number of verifies done
// True during call to verify(). Should only be set/cleared in verify().