Mercurial > hg > truffle
annotate src/share/vm/oops/constMethodKlass.hpp @ 973:ad6585fd4087
6830542: Performance: JVM_DefineClass already verified.
Reviewed-by: kamg, phh
| author | acorn |
|---|---|
| date | Fri, 04 Sep 2009 12:53:02 -0400 |
| parents | 0fbdb4381b99 |
| children | 4e6abf09f540 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 579 | 2 * Copyright 2003-2009 Sun Microsystems, Inc. All Rights Reserved. |
| 0 | 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
| 20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
| 21 * have any questions. | |
| 22 * | |
| 23 */ | |
| 24 | |
| 25 // A constMethodKlass is the klass of a constMethodOop | |
| 26 | |
| 27 class constMethodKlass : public Klass { | |
| 28 friend class VMStructs; | |
| 29 private: | |
| 30 juint _alloc_size; // allocation profiling support | |
| 31 public: | |
| 32 // Testing | |
| 33 bool oop_is_constMethod() const { return true; } | |
| 34 virtual bool oop_is_parsable(oop obj) const; | |
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6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
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35 virtual bool oop_is_conc_safe(oop obj) const; |
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0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
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36 |
| 0 | 37 |
| 38 // Allocation | |
| 39 DEFINE_ALLOCATE_PERMANENT(constMethodKlass); | |
| 40 constMethodOop allocate(int byte_code_size, int compressed_line_number_size, | |
| 41 int localvariable_table_length, | |
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6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
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42 int checked_exceptions_length, |
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6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
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43 bool is_conc_safe, |
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0af8b0718fc9
6692899: CMS: many vm.parallel_class_loading tests fail with assert "missing Printezis mark"
jmasa
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44 TRAPS); |
| 0 | 45 static klassOop create_klass(TRAPS); |
| 46 | |
| 47 // Sizing | |
| 48 int oop_size(oop obj) const; | |
| 49 int klass_oop_size() const { return object_size(); } | |
| 50 | |
| 51 // Casting from klassOop | |
| 52 static constMethodKlass* cast(klassOop k) { | |
| 53 assert(k->klass_part()->oop_is_constMethod(), "cast to constMethodKlass"); | |
| 54 return (constMethodKlass*) k->klass_part(); | |
| 55 } | |
| 56 | |
| 57 // Sizing | |
| 58 static int header_size() { | |
| 59 return oopDesc::header_size() + sizeof(constMethodKlass)/HeapWordSize; | |
| 60 } | |
| 61 int object_size() const { | |
| 62 return align_object_size(header_size()); | |
| 63 } | |
| 64 | |
| 65 // Garbage collection | |
| 66 void oop_follow_contents(oop obj); | |
| 67 int oop_adjust_pointers(oop obj); | |
| 68 | |
| 69 // Parallel Scavenge and Parallel Old | |
| 70 PARALLEL_GC_DECLS | |
| 71 | |
| 72 // Allocation profiling support | |
| 73 juint alloc_size() const { return _alloc_size; } | |
| 74 void set_alloc_size(juint n) { _alloc_size = n; } | |
| 75 | |
| 76 // Iterators | |
| 77 int oop_oop_iterate(oop obj, OopClosure* blk); | |
| 78 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
| 79 | |
| 80 #ifndef PRODUCT | |
| 81 public: | |
| 82 // Printing | |
| 83 void oop_print_on (oop obj, outputStream* st); | |
| 84 void oop_print_value_on(oop obj, outputStream* st); | |
| 85 | |
| 86 #endif | |
| 87 | |
| 88 public: | |
| 89 // Verify operations | |
| 90 const char* internal_name() const; | |
| 91 void oop_verify_on(oop obj, outputStream* st); | |
| 92 bool oop_partially_loaded(oop obj) const; | |
| 93 void oop_set_partially_loaded(oop obj); | |
| 94 }; |