Mercurial > hg > graal-jvmci-8
annotate src/share/vm/graal/graalVmIds.cpp @ 3055:fecdb0a65fb2
runtime profiles exceptions at the call site
author | Lukas Stadler <lukas.stadler@jku.at> |
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date | Tue, 21 Jun 2011 11:13:52 +0200 |
parents | 75a99b4f1c98 |
children | 136ea96eb7f8 |
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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 "graal/graalVmIds.hpp" |
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26 #include "ci/ciUtilities.hpp" |
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27 |
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28 // VmIds implementation |
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29 |
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30 GrowableArray<address>* VmIds::_stubs = NULL; |
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31 GrowableArray<jobject>* VmIds::_localHandles = NULL; |
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32 |
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33 |
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34 void VmIds::initializeObjects() { |
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35 if (_stubs == NULL) { |
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36 assert(_localHandles == NULL, "inconsistent state"); |
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37 _stubs = new (ResourceObj::C_HEAP) GrowableArray<address> (64, true); |
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38 _localHandles = new (ResourceObj::C_HEAP) GrowableArray<jobject> (64, true); |
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39 } |
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40 assert(_localHandles->length() == 0, "invalid state"); |
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41 } |
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42 |
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43 void VmIds::cleanupLocalObjects() { |
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44 for (int i = 0; i < _localHandles->length(); i++) { |
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45 JNIHandles::destroy_global(_localHandles->at(i)); |
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46 } |
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47 _localHandles->clear(); |
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48 } |
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49 |
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50 jlong VmIds::addStub(address stub) { |
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51 assert(!_stubs->contains(stub), "duplicate stub"); |
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52 return _stubs->append(stub) | STUB; |
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53 } |
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54 |
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55 jlong VmIds::add(Handle obj, jlong type) { |
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56 assert(!obj.is_null(), "cannot add NULL handle"); |
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57 int idx = -1; |
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58 for (int i = 0; i < _localHandles->length(); i++) |
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59 if (JNIHandles::resolve_non_null(_localHandles->at(i)) == obj()) { |
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60 idx = i; |
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61 break; |
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62 } |
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63 if (idx == -1) { |
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64 if (JavaThread::current()->thread_state() == _thread_in_vm) { |
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65 idx = _localHandles->append(JNIHandles::make_global(obj)); |
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66 } else { |
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67 VM_ENTRY_MARK; |
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68 idx = _localHandles->append(JNIHandles::make_global(obj)); |
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69 } |
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70 } |
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71 return idx | type; |
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72 } |
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73 |
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74 address VmIds::getStub(jlong id) { |
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75 assert((id & TYPE_MASK) == STUB, "wrong id type, STUB expected"); |
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76 assert((id & ~TYPE_MASK) >= 0 && (id & ~TYPE_MASK) < _stubs->length(), "STUB index out of bounds"); |
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77 return _stubs->at(id & ~TYPE_MASK); |
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78 } |
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79 |
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80 oop VmIds::getObject(jlong id) { |
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81 assert((id & TYPE_MASK) != STUB, "wrong id type"); |
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82 assert((id & ~TYPE_MASK) >= 0 && (id & ~TYPE_MASK) < _localHandles->length(), "index out of bounds"); |
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83 return JNIHandles::resolve_non_null(_localHandles->at(id & ~TYPE_MASK)); |
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84 } |
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85 |