Mercurial > hg > graal-compiler
annotate src/share/vm/runtime/vframe_hp.hpp @ 1552:c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
Summary: Change all the Sun copyrights to Oracle copyright
Reviewed-by: ohair
| author | trims |
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| date | Thu, 27 May 2010 19:08:38 -0700 |
| parents | 89e0543e1737 |
| children | f95d63e2154a |
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| 0 | 1 /* |
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2 * Copyright (c) 1997, 2009, 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 | |
| 25 class compiledVFrame: public javaVFrame { | |
| 26 public: | |
| 27 // JVM state | |
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28 methodOop method() const; |
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29 int bci() const; |
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30 bool should_reexecute() const; |
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31 StackValueCollection* locals() const; |
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32 StackValueCollection* expressions() const; |
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33 GrowableArray<MonitorInfo*>* monitors() const; |
| 0 | 34 |
| 35 void set_locals(StackValueCollection* values) const; | |
| 36 | |
| 37 // Virtuals defined in vframe | |
| 38 bool is_compiled_frame() const { return true; } | |
| 39 vframe* sender() const; | |
| 40 bool is_top() const; | |
| 41 | |
| 42 // Casting | |
| 43 static compiledVFrame* cast(vframe* vf) { | |
| 44 assert(vf == NULL || vf->is_compiled_frame(), "must be compiled frame"); | |
| 45 return (compiledVFrame*) vf; | |
| 46 } | |
| 47 | |
| 48 public: | |
| 49 // Constructors | |
| 50 compiledVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread, nmethod* nm); | |
| 51 | |
| 52 // Update a local in a compiled frame. Update happens when deopt occurs | |
| 53 void update_local(BasicType type, int index, jvalue value); | |
| 54 | |
| 55 // Returns the active nmethod | |
| 56 nmethod* code() const; | |
| 57 | |
| 58 // Returns the scopeDesc | |
| 59 ScopeDesc* scope() const { return _scope; } | |
| 60 | |
| 61 // Returns SynchronizationEntryBCI or bci() (used for synchronization) | |
| 62 int raw_bci() const; | |
| 63 | |
| 64 protected: | |
| 65 ScopeDesc* _scope; | |
| 66 | |
| 67 | |
| 68 //StackValue resolve(ScopeValue* sv) const; | |
| 69 BasicLock* resolve_monitor_lock(Location location) const; | |
| 70 StackValue *create_stack_value(ScopeValue *sv) const; | |
| 71 | |
| 72 private: | |
| 73 compiledVFrame(const frame* fr, const RegisterMap* reg_map, JavaThread* thread, ScopeDesc* scope); | |
| 74 | |
| 75 #ifndef PRODUCT | |
| 76 public: | |
| 77 void verify() const; | |
| 78 #endif | |
| 79 }; | |
| 80 | |
| 81 // In order to implement set_locals for compiled vframes we must | |
| 82 // store updated locals in a data structure that contains enough | |
| 83 // information to recognize equality with a vframe and to store | |
| 84 // any updated locals. | |
| 85 | |
| 86 class jvmtiDeferredLocalVariable; | |
| 87 class jvmtiDeferredLocalVariableSet : public CHeapObj { | |
| 88 private: | |
| 89 | |
| 90 methodOop _method; // must be GC'd | |
| 91 int _bci; | |
| 92 intptr_t* _id; | |
| 93 GrowableArray<jvmtiDeferredLocalVariable*>* _locals; | |
| 94 | |
| 95 public: | |
| 96 // JVM state | |
| 97 methodOop method() const { return _method; } | |
| 98 int bci() const { return _bci; } | |
| 99 intptr_t* id() const { return _id; } | |
| 100 GrowableArray<jvmtiDeferredLocalVariable*>* locals() const { return _locals; } | |
| 101 void set_local_at(int idx, BasicType typ, jvalue val); | |
| 102 | |
| 103 // Does the vframe match this jvmtiDeferredLocalVariableSet | |
| 104 bool matches(vframe* vf); | |
| 105 // GC | |
| 106 void oops_do(OopClosure* f); | |
| 107 | |
| 108 // constructor | |
| 109 jvmtiDeferredLocalVariableSet(methodOop method, int bci, intptr_t* id); | |
| 110 | |
| 111 // destructor | |
| 112 ~jvmtiDeferredLocalVariableSet(); | |
| 113 | |
| 114 | |
| 115 }; | |
| 116 | |
| 117 class jvmtiDeferredLocalVariable : public CHeapObj { | |
| 118 public: | |
| 119 | |
| 120 jvmtiDeferredLocalVariable(int index, BasicType type, jvalue value); | |
| 121 | |
| 122 BasicType type(void) { return _type; } | |
| 123 int index(void) { return _index; } | |
| 124 jvalue value(void) { return _value; } | |
| 125 // Only mutator is for value as only it can change | |
| 126 void set_value(jvalue value) { _value = value; } | |
| 127 // For gc | |
| 128 oop* oop_addr(void) { return (oop*) &_value.l; } | |
| 129 | |
| 130 private: | |
| 131 | |
| 132 BasicType _type; | |
| 133 jvalue _value; | |
| 134 int _index; | |
| 135 | |
| 136 }; |