Mercurial > hg > truffle
annotate src/share/vm/oops/instanceClassLoaderKlass.hpp @ 9655:0a771345825b
added RuntimeCallStub for runtime calls that require no extra/special logic in the stub itself
author | Doug Simon <doug.simon@oracle.com> |
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date | Mon, 13 May 2013 11:44:36 +0200 |
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1 /* |
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 |
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25 #ifndef SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP |
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26 #define SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP |
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27 |
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28 #include "oops/instanceKlass.hpp" |
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29 #include "utilities/macros.hpp" |
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30 |
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31 // An InstanceClassLoaderKlass is a specialization of the InstanceKlass. It does |
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32 // not add any field. It is added to walk the dependencies for the class loader |
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33 // key that this class loader points to. This is how the loader_data graph is |
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34 // walked and dependant class loaders are kept alive. I thought we walked |
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35 // the list later? |
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36 |
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37 class InstanceClassLoaderKlass: public InstanceKlass { |
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38 friend class VMStructs; |
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39 friend class InstanceKlass; |
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40 |
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41 // Constructor |
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42 InstanceClassLoaderKlass(int vtable_len, int itable_len, int static_field_size, int nonstatic_oop_map_size, ReferenceType rt, AccessFlags access_flags, bool is_anonymous) |
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43 : InstanceKlass(vtable_len, itable_len, static_field_size, nonstatic_oop_map_size, rt, access_flags, is_anonymous) {} |
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44 |
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45 public: |
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46 virtual bool oop_is_instanceClassLoader() const { return true; } |
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47 |
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48 InstanceClassLoaderKlass() { assert(DumpSharedSpaces || UseSharedSpaces, "only for CDS"); } |
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49 |
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50 // Iterators |
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51 int oop_oop_iterate(oop obj, ExtendedOopClosure* blk) { |
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52 return oop_oop_iterate_v(obj, blk); |
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53 } |
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54 int oop_oop_iterate_m(oop obj, ExtendedOopClosure* blk, MemRegion mr) { |
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55 return oop_oop_iterate_v_m(obj, blk, mr); |
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56 } |
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57 |
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58 #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL(OopClosureType, nv_suffix) \ |
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59 int oop_oop_iterate##nv_suffix(oop obj, OopClosureType* blk); \ |
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60 int oop_oop_iterate##nv_suffix##_m(oop obj, OopClosureType* blk, MemRegion mr); |
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61 |
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62 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL) |
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63 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_DECL) |
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64 |
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65 #if INCLUDE_ALL_GCS |
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66 #define InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL(OopClosureType, nv_suffix) \ |
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67 int oop_oop_iterate_backwards##nv_suffix(oop obj, OopClosureType* blk); |
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68 |
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69 ALL_OOP_OOP_ITERATE_CLOSURES_1(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) |
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70 ALL_OOP_OOP_ITERATE_CLOSURES_2(InstanceClassLoaderKlass_OOP_OOP_ITERATE_BACKWARDS_DECL) |
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71 #endif // INCLUDE_ALL_GCS |
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72 |
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73 // Garbage collection |
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74 void oop_follow_contents(oop obj); |
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75 |
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76 // Parallel Scavenge and Parallel Old |
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77 PARALLEL_GC_DECLS |
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78 }; |
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79 |
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80 #endif // SHARE_VM_OOPS_INSTANCECLASSLOADERKLASS_HPP |