Mercurial > hg > truffle
annotate src/share/vm/ci/ciMethodHandle.cpp @ 4530:6c6cb7be1324
bugfix
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Wed, 08 Feb 2012 21:13:35 -0800 |
parents | e0658a9b3f87 |
children | 1d7922586cf6 |
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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) { |
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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 assert(callee->is_method_handle_invoke(), ""); |
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45 oop mt1 = callee->method_handle_type(); |
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46 oop mt2 = java_lang_invoke_MethodHandle::type(h()); |
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47 if (!java_lang_invoke_MethodType::equals(mt1, mt2)) { |
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48 if (PrintMiscellaneous && (Verbose || WizardMode)) { |
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49 tty->print_cr("ciMethodHandle::get_adapter: types not equal"); |
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50 mt1->print(); mt2->print(); |
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51 } |
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52 return NULL; |
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53 } |
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54 // We catch all exceptions here that could happen in the method |
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55 // handle compiler and stop the VM. |
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56 MethodHandleCompiler mhc(h, callee->name(), callee->signature(), _profile.count(), is_invokedynamic, THREAD); |
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57 if (!HAS_PENDING_EXCEPTION) { |
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58 methodHandle m = mhc.compile(THREAD); |
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59 if (!HAS_PENDING_EXCEPTION) { |
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60 return CURRENT_ENV->get_object(m())->as_method(); |
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61 } |
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62 } |
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63 if (PrintMiscellaneous && (Verbose || WizardMode)) { |
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64 tty->print("*** ciMethodHandle::get_adapter => "); |
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65 PENDING_EXCEPTION->print(); |
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66 tty->print("*** get_adapter (%s): ", is_invokedynamic ? "indy" : "mh"); ((ciObject*)this)->print(); |
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67 } |
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68 CLEAR_PENDING_EXCEPTION; |
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69 return NULL; |
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70 } |
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71 |
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72 // ------------------------------------------------------------------ |
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73 // ciMethodHandle::get_adapter |
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74 // |
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75 // Return an adapter for this MethodHandle. |
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76 ciMethod* ciMethodHandle::get_adapter(bool is_invokedynamic) { |
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77 ciMethod* result = get_adapter_impl(is_invokedynamic); |
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78 if (result) { |
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79 // Fake up the MDO maturity. |
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80 ciMethodData* mdo = result->method_data(); |
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81 if (mdo != NULL && _caller->method_data() != NULL && _caller->method_data()->is_mature()) { |
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82 mdo->set_mature(); |
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83 } |
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84 } |
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85 return result; |
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86 } |
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87 |
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88 |
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89 #ifdef ASSERT |
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90 // ------------------------------------------------------------------ |
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91 // ciMethodHandle::print_chain_impl |
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92 // |
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93 // Implementation of the print method. |
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94 void ciMethodHandle::print_chain_impl() { |
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95 ASSERT_IN_VM; |
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96 MethodHandleChain::print(get_oop()); |
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97 } |
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98 |
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99 |
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100 // ------------------------------------------------------------------ |
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101 // ciMethodHandle::print_chain |
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102 // |
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103 // Implementation of the print_chain method. |
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104 void ciMethodHandle::print_chain() { |
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105 GUARDED_VM_ENTRY(print_chain_impl();); |
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106 } |
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107 #endif |