Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/oops/metadata.hpp@5832cdaf89c6 (annotated)
src/share/vm/oops/metadata.hpp
Mon, 16 Dec 2013 08:24:33 -0500
- author
- hseigel
- date
- Mon, 16 Dec 2013 08:24:33 -0500
- changeset 6195
- 5832cdaf89c6
- parent 4037
- da91efe96a93
- child 6351
- f9e35a9dc8c7
- permissions
- -rw-r--r--
8027804: JCK resolveMethod test fails expecting AbstractMethodError
Summary: Create AME overpass methods and fix method search logic
Reviewed-by: kamg, acorn, lfoltan, coleenp
| coleenp@4037 | 1 | /* |
| coleenp@4037 | 2 | * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
| coleenp@4037 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| coleenp@4037 | 4 | * |
| coleenp@4037 | 5 | * This code is free software; you can redistribute it and/or modify it |
| coleenp@4037 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| coleenp@4037 | 7 | * published by the Free Software Foundation. |
| coleenp@4037 | 8 | * |
| coleenp@4037 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| coleenp@4037 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| coleenp@4037 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| coleenp@4037 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| coleenp@4037 | 13 | * accompanied this code). |
| coleenp@4037 | 14 | * |
| coleenp@4037 | 15 | * You should have received a copy of the GNU General Public License version |
| coleenp@4037 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| coleenp@4037 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| coleenp@4037 | 18 | * |
| coleenp@4037 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| coleenp@4037 | 20 | * or visit www.oracle.com if you need additional information or have any |
| coleenp@4037 | 21 | * questions. |
| coleenp@4037 | 22 | * |
| coleenp@4037 | 23 | */ |
| coleenp@4037 | 24 | |
| coleenp@4037 | 25 | #ifndef SHARE_VM_OOPS_METADATA_HPP |
| coleenp@4037 | 26 | #define SHARE_VM_OOPS_METADATA_HPP |
| coleenp@4037 | 27 | |
| coleenp@4037 | 28 | #include "utilities/exceptions.hpp" |
| coleenp@4037 | 29 | #include "utilities/globalDefinitions.hpp" |
| coleenp@4037 | 30 | #include "utilities/ostream.hpp" |
| coleenp@4037 | 31 | |
| coleenp@4037 | 32 | // This is the base class for an internal Class related metadata |
| coleenp@4037 | 33 | class Metadata : public MetaspaceObj { |
| coleenp@4037 | 34 | // Debugging hook to check that the metadata has not been deleted. |
| coleenp@4037 | 35 | NOT_PRODUCT(int _valid;) |
| coleenp@4037 | 36 | public: |
| coleenp@4037 | 37 | NOT_PRODUCT(Metadata() { _valid = 0; }) |
| coleenp@4037 | 38 | NOT_PRODUCT(bool is_valid() const volatile { return _valid == 0; }) |
| coleenp@4037 | 39 | |
| coleenp@4037 | 40 | int identity_hash() { return (int)(uintptr_t)this; } |
| coleenp@4037 | 41 | |
| coleenp@4037 | 42 | // Rehashing support for tables containing pointers to this |
| coleenp@4037 | 43 | unsigned int new_hash(jint seed) { ShouldNotReachHere(); return 0; } |
| coleenp@4037 | 44 | |
| coleenp@4037 | 45 | virtual bool is_klass() const volatile { return false; } |
| coleenp@4037 | 46 | virtual bool is_method() const volatile { return false; } |
| coleenp@4037 | 47 | virtual bool is_methodData() const volatile { return false; } |
| coleenp@4037 | 48 | virtual bool is_constantPool() const volatile { return false; } |
| coleenp@4037 | 49 | |
| coleenp@4037 | 50 | virtual const char* internal_name() const = 0; |
| coleenp@4037 | 51 | |
| coleenp@4037 | 52 | void print() const { print_on(tty); } |
| coleenp@4037 | 53 | void print_value() const { print_value_on(tty); } |
| coleenp@4037 | 54 | |
| coleenp@4037 | 55 | void print_maybe_null() const { print_on_maybe_null(tty); } |
| coleenp@4037 | 56 | void print_on_maybe_null(outputStream* st) const { |
| coleenp@4037 | 57 | if (this == NULL) |
| coleenp@4037 | 58 | st->print("NULL"); |
| coleenp@4037 | 59 | else |
| coleenp@4037 | 60 | print_on(tty); |
| coleenp@4037 | 61 | } |
| coleenp@4037 | 62 | void print_value_on_maybe_null(outputStream* st) const { |
| coleenp@4037 | 63 | if (this == NULL) |
| coleenp@4037 | 64 | st->print("NULL"); |
| coleenp@4037 | 65 | else |
| coleenp@4037 | 66 | print_value_on(tty); |
| coleenp@4037 | 67 | } |
| coleenp@4037 | 68 | |
| coleenp@4037 | 69 | virtual void print_on(outputStream* st) const; // First level print |
| coleenp@4037 | 70 | virtual void print_value_on(outputStream* st) const = 0; // Second level print |
| coleenp@4037 | 71 | |
| coleenp@4037 | 72 | char* print_value_string() const; |
| coleenp@4037 | 73 | |
| coleenp@4037 | 74 | // Used to keep metadata alive during class redefinition |
| coleenp@4037 | 75 | // Can't assert because is called for delete functions (as an assert) |
| coleenp@4037 | 76 | virtual bool on_stack() const { return false; } |
| coleenp@4037 | 77 | virtual void set_on_stack(const bool value); |
| coleenp@4037 | 78 | |
| coleenp@4037 | 79 | // Set on_stack bit, so that the metadata is not cleared |
| coleenp@4037 | 80 | // during class redefinition. This is a virtual call because only methods |
| coleenp@4037 | 81 | // and constant pools need to be set, but someday instanceKlasses might also. |
| coleenp@4037 | 82 | static void mark_on_stack(Metadata* m) { m->set_on_stack(true); } |
| coleenp@4037 | 83 | }; |
| coleenp@4037 | 84 | |
| coleenp@4037 | 85 | #endif // SHARE_VM_OOPS_METADATA_HPP |
