Mercurial > hg > truffle
annotate src/share/vm/oops/constMethodKlass.hpp @ 6653:2d5407ae1ac4
intermediate materialization is now removed during lowering of an InstanceOfNode that has a single usage which is an IfNode in the same block
lowered InstanceOfNode snippet graph is shared among similar usages of the InstanceOfNode
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 30 Oct 2012 23:58:53 +0100 |
parents | 8150fa46d2ed |
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0 | 1 /* |
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2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. 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 * | |
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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. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef SHARE_VM_OOPS_CONSTMETHODKLASS_HPP |
26 #define SHARE_VM_OOPS_CONSTMETHODKLASS_HPP | |
27 | |
28 #include "oops/klass.hpp" | |
29 #include "oops/oop.hpp" | |
30 #include "runtime/orderAccess.hpp" | |
31 | |
0 | 32 // A constMethodKlass is the klass of a constMethodOop |
33 | |
34 class constMethodKlass : public Klass { | |
35 friend class VMStructs; | |
36 private: | |
37 juint _alloc_size; // allocation profiling support | |
38 public: | |
39 // Testing | |
40 bool oop_is_constMethod() const { return true; } | |
41 virtual bool oop_is_parsable(oop obj) const; | |
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42 virtual bool oop_is_conc_safe(oop obj) const; |
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43 |
0 | 44 |
45 // Allocation | |
46 DEFINE_ALLOCATE_PERMANENT(constMethodKlass); | |
47 constMethodOop allocate(int byte_code_size, int compressed_line_number_size, | |
48 int localvariable_table_length, | |
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49 int exception_table_length, |
518
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50 int checked_exceptions_length, |
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51 bool is_conc_safe, |
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52 TRAPS); |
0 | 53 static klassOop create_klass(TRAPS); |
54 | |
55 // Sizing | |
56 int oop_size(oop obj) const; | |
57 int klass_oop_size() const { return object_size(); } | |
58 | |
59 // Casting from klassOop | |
60 static constMethodKlass* cast(klassOop k) { | |
61 assert(k->klass_part()->oop_is_constMethod(), "cast to constMethodKlass"); | |
62 return (constMethodKlass*) k->klass_part(); | |
63 } | |
64 | |
65 // Sizing | |
66 static int header_size() { | |
67 return oopDesc::header_size() + sizeof(constMethodKlass)/HeapWordSize; | |
68 } | |
69 int object_size() const { | |
70 return align_object_size(header_size()); | |
71 } | |
72 | |
73 // Garbage collection | |
74 void oop_follow_contents(oop obj); | |
75 int oop_adjust_pointers(oop obj); | |
76 | |
77 // Parallel Scavenge and Parallel Old | |
78 PARALLEL_GC_DECLS | |
79 | |
80 // Allocation profiling support | |
81 juint alloc_size() const { return _alloc_size; } | |
82 void set_alloc_size(juint n) { _alloc_size = n; } | |
83 | |
84 // Iterators | |
85 int oop_oop_iterate(oop obj, OopClosure* blk); | |
86 int oop_oop_iterate_m(oop obj, OopClosure* blk, MemRegion mr); | |
87 | |
88 // Printing | |
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89 void oop_print_value_on(oop obj, outputStream* st); |
0 | 90 void oop_print_on (oop obj, outputStream* st); |
91 | |
92 // Verify operations | |
93 const char* internal_name() const; | |
94 void oop_verify_on(oop obj, outputStream* st); | |
95 bool oop_partially_loaded(oop obj) const; | |
96 void oop_set_partially_loaded(oop obj); | |
97 }; | |
1972 | 98 |
99 #endif // SHARE_VM_OOPS_CONSTMETHODKLASS_HPP |