Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/shark/sharkConstant.hpp@427b2fb1944f (annotated)
src/share/vm/shark/sharkConstant.hpp
Wed, 31 Jan 2018 19:24:57 -0500
- author
- dbuck
- date
- Wed, 31 Jan 2018 19:24:57 -0500
- changeset 9289
- 427b2fb1944f
- parent 2314
- f95d63e2154a
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
8189170: Add option to disable stack overflow checking in primordial thread for use with JNI_CreateJavaJVM
Reviewed-by: dcubed
| twisti@2047 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| twisti@2047 | 3 | * Copyright 2009 Red Hat, Inc. |
| twisti@2047 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| twisti@2047 | 5 | * |
| twisti@2047 | 6 | * This code is free software; you can redistribute it and/or modify it |
| twisti@2047 | 7 | * under the terms of the GNU General Public License version 2 only, as |
| twisti@2047 | 8 | * published by the Free Software Foundation. |
| twisti@2047 | 9 | * |
| twisti@2047 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| twisti@2047 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| twisti@2047 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| twisti@2047 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
| twisti@2047 | 14 | * accompanied this code). |
| twisti@2047 | 15 | * |
| twisti@2047 | 16 | * You should have received a copy of the GNU General Public License version |
| twisti@2047 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
| twisti@2047 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| twisti@2047 | 19 | * |
| twisti@2047 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| twisti@2047 | 21 | * or visit www.oracle.com if you need additional information or have any |
| twisti@2047 | 22 | * questions. |
| twisti@2047 | 23 | * |
| twisti@2047 | 24 | */ |
| twisti@2047 | 25 | |
| stefank@2314 | 26 | #ifndef SHARE_VM_SHARK_SHARKCONSTANT_HPP |
| stefank@2314 | 27 | #define SHARE_VM_SHARK_SHARKCONSTANT_HPP |
| stefank@2314 | 28 | |
| stefank@2314 | 29 | #include "ci/ciStreams.hpp" |
| stefank@2314 | 30 | #include "memory/allocation.hpp" |
| stefank@2314 | 31 | #include "shark/sharkBuilder.hpp" |
| stefank@2314 | 32 | #include "shark/sharkValue.hpp" |
| stefank@2314 | 33 | |
| twisti@2047 | 34 | class SharkConstant : public ResourceObj { |
| twisti@2047 | 35 | public: |
| twisti@2047 | 36 | static SharkConstant* for_ldc(ciBytecodeStream* iter); |
| twisti@2047 | 37 | static SharkConstant* for_field(ciBytecodeStream* iter); |
| twisti@2047 | 38 | |
| twisti@2047 | 39 | private: |
| twisti@2047 | 40 | SharkConstant(ciConstant constant, ciType* type); |
| twisti@2047 | 41 | |
| twisti@2047 | 42 | private: |
| twisti@2047 | 43 | SharkValue* _value; |
| twisti@2047 | 44 | ciObject* _object; |
| twisti@2047 | 45 | ciType* _type; |
| twisti@2047 | 46 | bool _is_loaded; |
| twisti@2047 | 47 | bool _is_nonzero; |
| twisti@2047 | 48 | bool _is_two_word; |
| twisti@2047 | 49 | |
| twisti@2047 | 50 | public: |
| twisti@2047 | 51 | bool is_loaded() const { |
| twisti@2047 | 52 | return _is_loaded; |
| twisti@2047 | 53 | } |
| twisti@2047 | 54 | bool is_nonzero() const { |
| twisti@2047 | 55 | assert(is_loaded(), "should be"); |
| twisti@2047 | 56 | return _is_nonzero; |
| twisti@2047 | 57 | } |
| twisti@2047 | 58 | bool is_two_word() const { |
| twisti@2047 | 59 | assert(is_loaded(), "should be"); |
| twisti@2047 | 60 | return _is_two_word; |
| twisti@2047 | 61 | } |
| twisti@2047 | 62 | |
| twisti@2047 | 63 | public: |
| twisti@2047 | 64 | SharkValue* value(SharkBuilder* builder) { |
| twisti@2047 | 65 | assert(is_loaded(), "should be"); |
| twisti@2047 | 66 | if (_value == NULL) { |
| twisti@2047 | 67 | _value = SharkValue::create_generic( |
| twisti@2047 | 68 | _type, builder->CreateInlineOop(_object), _is_nonzero); |
| twisti@2047 | 69 | } |
| twisti@2047 | 70 | return _value; |
| twisti@2047 | 71 | } |
| twisti@2047 | 72 | }; |
| stefank@2314 | 73 | |
| stefank@2314 | 74 | #endif // SHARE_VM_SHARK_SHARKCONSTANT_HPP |
