Mercurial > hg > truffle
annotate src/share/vm/ci/ciMethodHandle.cpp @ 3741:c76c13577460
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author | never |
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date | Thu, 26 May 2011 16:39:34 -0700 |
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1 /* |
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2 * Copyright (c) 2009, 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 |
1972 | 25 #include "precompiled.hpp" |
26 #include "ci/ciClassList.hpp" | |
27 #include "ci/ciInstance.hpp" | |
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28 #include "ci/ciMethodData.hpp" |
1972 | 29 #include "ci/ciMethodHandle.hpp" |
30 #include "ci/ciUtilities.hpp" | |
31 #include "prims/methodHandleWalk.hpp" | |
32 #include "prims/methodHandles.hpp" | |
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33 |
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34 // ciMethodHandle |
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35 |
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36 // ------------------------------------------------------------------ |
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37 // ciMethodHandle::get_adapter |
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38 // |
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39 // Return an adapter for this MethodHandle. |
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40 ciMethod* ciMethodHandle::get_adapter_impl(bool is_invokedynamic) const { |
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41 VM_ENTRY_MARK; |
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42 Handle h(get_oop()); |
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43 methodHandle callee(_callee->get_methodOop()); |
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44 // We catch all exceptions here that could happen in the method |
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45 // handle compiler and stop the VM. |
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46 MethodHandleCompiler mhc(h, callee->name(), callee->signature(), _profile->count(), is_invokedynamic, THREAD); |
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47 if (!HAS_PENDING_EXCEPTION) { |
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48 methodHandle m = mhc.compile(THREAD); |
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49 if (!HAS_PENDING_EXCEPTION) { |
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50 return CURRENT_ENV->get_object(m())->as_method(); |
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51 } |
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52 } |
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53 if (PrintMiscellaneous && (Verbose || WizardMode)) { |
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54 tty->print("*** ciMethodHandle::get_adapter => "); |
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55 PENDING_EXCEPTION->print(); |
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56 tty->print("*** get_adapter (%s): ", is_invokedynamic ? "indy" : "mh"); ((ciObject*)this)->print(); //@@ |
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57 } |
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58 CLEAR_PENDING_EXCEPTION; |
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59 return NULL; |
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60 } |
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61 |
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62 // ------------------------------------------------------------------ |
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63 // ciMethodHandle::get_adapter |
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64 // |
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65 // Return an adapter for this MethodHandle. |
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66 ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) const { |
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67 ciMethod* result = get_adapter_impl(is_invokedynamic); |
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68 if (result) { |
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69 // Fake up the MDO maturity. |
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70 ciMethodData* mdo = result->method_data(); |
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71 if (mdo != NULL && _caller->method_data() != NULL && _caller->method_data()->is_mature()) { |
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72 mdo->set_mature(); |
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73 } |
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74 } |
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75 return result; |
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76 } |
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77 |
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78 |
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79 // ------------------------------------------------------------------ |
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80 // ciMethodHandle::print_impl |
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81 // |
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82 // Implementation of the print method. |
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83 void ciMethodHandle::print_impl(outputStream* st) { |
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84 st->print(" type="); |
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85 get_oop()->print(); |
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86 } |