Mercurial > hg > graal-compiler
annotate src/share/vm/c1x/c1x_VmIds.cpp @ 2502:3e3e8bd12730
Copyright rebranding. Update checkstyle file.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 26 Apr 2011 21:48:09 +0200 |
parents | 999f8086cc4f |
children | a384fac3fd34 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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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. |
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22 */ |
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23 |
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24 #include "precompiled.hpp" |
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25 #include "c1x/c1x_VmIds.hpp" |
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26 |
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27 // VmIds implementation |
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28 |
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29 GrowableArray<address>* VmIds::_stubs = NULL; |
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30 GrowableArray<jobject>* VmIds::_localHandles = NULL; |
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31 |
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32 |
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33 void VmIds::initializeObjects() { |
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34 if (_stubs == NULL) { |
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35 assert(_localHandles == NULL, "inconsistent state"); |
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36 _stubs = new (ResourceObj::C_HEAP) GrowableArray<address> (64, true); |
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37 _localHandles = new (ResourceObj::C_HEAP) GrowableArray<jobject> (64, true); |
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38 } |
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39 assert(_localHandles->length() == 0, "invalid state"); |
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40 } |
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41 |
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42 void VmIds::cleanupLocalObjects() { |
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43 for (int i = 0; i < _localHandles->length(); i++) { |
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44 JNIHandles::destroy_global(_localHandles->at(i)); |
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45 } |
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46 _localHandles->clear(); |
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47 } |
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48 |
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49 jlong VmIds::addStub(address stub) { |
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50 assert(!_stubs->contains(stub), "duplicate stub"); |
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51 return _stubs->append(stub) | STUB; |
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52 } |
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53 |
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54 jlong VmIds::add(Handle obj, jlong type) { |
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55 assert(!obj.is_null(), "cannot add NULL handle"); |
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56 int idx = -1; |
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57 for (int i = 0; i < _localHandles->length(); i++) |
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58 if (JNIHandles::resolve_non_null(_localHandles->at(i)) == obj()) { |
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59 idx = i; |
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60 break; |
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61 } |
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62 if (idx == -1) { |
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63 if (JavaThread::current()->thread_state() == _thread_in_vm) { |
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64 idx = _localHandles->append(JNIHandles::make_global(obj)); |
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65 } else { |
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66 VM_ENTRY_MARK; |
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67 idx = _localHandles->append(JNIHandles::make_global(obj)); |
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68 } |
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69 } |
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70 return idx | type; |
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71 } |
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72 |
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73 address VmIds::getStub(jlong id) { |
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74 assert((id & TYPE_MASK) == STUB, "wrong id type, STUB expected"); |
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75 assert((id & ~TYPE_MASK) >= 0 && (id & ~TYPE_MASK) < _stubs->length(), "STUB index out of bounds"); |
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76 return _stubs->at(id & ~TYPE_MASK); |
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77 } |
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78 |
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79 oop VmIds::getObject(jlong id) { |
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80 assert((id & TYPE_MASK) != STUB, "wrong id type"); |
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81 assert((id & ~TYPE_MASK) >= 0 && (id & ~TYPE_MASK) < _localHandles->length(), "index out of bounds"); |
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82 return JNIHandles::resolve_non_null(_localHandles->at(id & ~TYPE_MASK)); |
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83 } |
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84 |