src/share/vm/oops/compiledICHolderKlass.hpp

Mon, 25 Jun 2012 21:33:35 -0400

author
coleenp
date
Mon, 25 Jun 2012 21:33:35 -0400
changeset 3875
246d977b51f2
parent 2314
f95d63e2154a
permissions
-rw-r--r--

7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table
Summary: Cannot delete _buckets and HashtableEntries in shared space (CDS)
Reviewed-by: acorn, kvn, dlong, dcubed, kamg

     1 /*
     2  * Copyright (c) 1998, 2010, Oracle and/or its affiliates. All rights reserved.
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     4  *
     5  * This code is free software; you can redistribute it and/or modify it
     6  * under the terms of the GNU General Public License version 2 only, as
     7  * published by the Free Software Foundation.
     8  *
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    12  * version 2 for more details (a copy is included in the LICENSE file that
    13  * accompanied this code).
    14  *
    15  * You should have received a copy of the GNU General Public License version
    16  * 2 along with this work; if not, write to the Free Software Foundation,
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    18  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #ifndef SHARE_VM_OOPS_COMPILEDICHOLDERKLASS_HPP
    26 #define SHARE_VM_OOPS_COMPILEDICHOLDERKLASS_HPP
    28 #include "oops/compiledICHolderOop.hpp"
    29 #include "oops/klass.hpp"
    30 #include "oops/methodOop.hpp"
    32 class CMSIsAliveClosure;
    34 // a compiledICHolderKlass is the klass of a compiledICHolderOop
    36 class compiledICHolderKlass : public Klass {
    37   friend class VMStructs;
    38  private:
    39   juint    _alloc_size;        // allocation profiling support
    40  public:
    41   // Testing
    42   bool oop_is_compiledICHolder() const { return true; }
    44   // Allocation
    45   DEFINE_ALLOCATE_PERMANENT(compiledICHolderKlass);
    46   compiledICHolderOop allocate(TRAPS);
    47   static klassOop create_klass(TRAPS);
    49   // Sizing
    50   int oop_size(oop obj) const;
    51   int klass_oop_size() const     { return object_size(); }
    53   // Casting from klassOop
    54   static compiledICHolderKlass* cast(klassOop k) {
    55     assert(k->klass_part()->oop_is_compiledICHolder(), "cast to compiledICHolderKlass");
    56     return (compiledICHolderKlass*) k->klass_part();
    57   }
    59   // Sizing
    60   static int header_size()       { return oopDesc::header_size() + sizeof(compiledICHolderKlass)/HeapWordSize; }
    61   int object_size() const        { return align_object_size(header_size()); }
    63   // Garbage collection
    64   void oop_follow_contents(oop obj);
    65   int  oop_adjust_pointers(oop obj);
    67   // Parallel Scavenge and Parallel Old
    68   PARALLEL_GC_DECLS
    70   // Allocation profiling support
    71   juint alloc_size() const              { return _alloc_size; }
    72   void set_alloc_size(juint n)          { _alloc_size = n; }
    74   // Iterators
    75   int  oop_oop_iterate(oop obj, OopClosure* blk);
    76   int  oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr);
    78   // Printing
    79   void oop_print_value_on(oop obj, outputStream* st);
    80   void oop_print_on      (oop obj, outputStream* st);
    82   // Verification
    83   const char* internal_name() const;
    84   void oop_verify_on(oop obj, outputStream* st);
    86 };
    88 #endif // SHARE_VM_OOPS_COMPILEDICHOLDERKLASS_HPP

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