Mercurial > hg > truffle
diff src/share/vm/interpreter/oopMapCache.hpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
| author | coleenp |
|---|---|
| date | Sat, 01 Sep 2012 13:25:18 -0400 |
| parents | d2a62e0f25eb |
| children | c204e2044c29 |
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--- a/src/share/vm/interpreter/oopMapCache.hpp Fri Aug 31 16:39:35 2012 -0700 +++ b/src/share/vm/interpreter/oopMapCache.hpp Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1997, 2012, 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 @@ -32,7 +32,7 @@ // The memory management system uses the cache when locating object // references in an interpreted frame. // -// OopMapCache's are allocated lazily per instanceKlass. +// OopMapCache's are allocated lazily per InstanceKlass. // The oopMap (InterpreterOopMap) is stored as a bit mask. If the // bit_mask can fit into two words it is stored in @@ -83,7 +83,7 @@ }; private: - methodOop _method; // the method for which the mask is valid + Method* _method; // the method for which the mask is valid unsigned short _bci; // the bci for which the mask is valid int _mask_size; // the mask size in bits int _expression_stack_size; // the size of the expression stack in slots @@ -100,8 +100,8 @@ #endif // access methods - methodOop method() const { return _method; } - void set_method(methodOop v) { _method = v; } + Method* method() const { return _method; } + void set_method(Method* v) { _method = v; } int bci() const { return _bci; } void set_bci(int v) { _bci = v; } int mask_size() const { return _mask_size; } @@ -142,9 +142,6 @@ void resource_copy(OopMapCacheEntry* from); void iterate_oop(OffsetClosure* oop_closure); - void oop_iterate(OopClosure * blk); - void oop_iterate(OopClosure * blk, MemRegion mr); - void verify(); void print(); bool is_oop (int offset) { return (entry_at(offset) & (1 << oop_bit_number )) != 0; } @@ -185,12 +182,6 @@ // Compute an oop map without updating the cache or grabbing any locks (for debugging) static void compute_one_oop_map(methodHandle method, int bci, InterpreterOopMap* entry); - // Helpers - // Iterate over the entries in the cached OopMapCacheEntry's - void oop_iterate(OopClosure *blk); - void oop_iterate(OopClosure *blk, MemRegion mr); - void verify(); - // Returns total no. of bytes allocated as part of OopMapCache's static long memory_usage() PRODUCT_RETURN0; };