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annotate src/share/vm/prims/methodHandles.cpp @ 12974:d95eca175eff

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8023004: JSR 292: java.lang.RuntimeException: Original target method was called. Reviewed-by: jrose
author sspitsyn
date Wed, 23 Oct 2013 20:15:24 +0400
parents ac9cb1d5a202
children 096c224171c4 c4b78cbea876
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1 /*
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2 * Copyright (c) 2008, 2013, 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
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25 #include "precompiled.hpp"
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26 #include "classfile/symbolTable.hpp"
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27 #include "compiler/compileBroker.hpp"
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28 #include "interpreter/interpreter.hpp"
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29 #include "interpreter/oopMapCache.hpp"
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30 #include "memory/allocation.inline.hpp"
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31 #include "memory/oopFactory.hpp"
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32 #include "prims/jvmtiRedefineClassesTrace.hpp"
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33 #include "prims/methodHandles.hpp"
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34 #include "runtime/compilationPolicy.hpp"
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35 #include "runtime/javaCalls.hpp"
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36 #include "runtime/reflection.hpp"
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37 #include "runtime/signature.hpp"
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38 #include "runtime/stubRoutines.hpp"
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39
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40
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41 /*
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42 * JSR 292 reference implementation: method handles
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43 * The JDK 7 reference implementation represented method handle
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44 * combinations as chains. Each link in the chain had a "vmentry"
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45 * field which pointed at a bit of assembly code which performed
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46 * one transformation before dispatching to the next link in the chain.
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47 *
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48 * The current reference implementation pushes almost all code generation
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49 * responsibility to (trusted) Java code. A method handle contains a
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50 * pointer to its "LambdaForm", which embodies all details of the method
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51 * handle's behavior. The LambdaForm is a normal Java object, managed
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52 * by a runtime coded in Java.
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53 */
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54
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55 bool MethodHandles::_enabled = false; // set true after successful native linkage
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56 MethodHandlesAdapterBlob* MethodHandles::_adapter_code = NULL;
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57
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58 //------------------------------------------------------------------------------
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59 // MethodHandles::generate_adapters
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60 //
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61 void MethodHandles::generate_adapters() {
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62 if (!EnableInvokeDynamic || SystemDictionary::MethodHandle_klass() == NULL) return;
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63
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64 assert(_adapter_code == NULL, "generate only once");
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65
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66 ResourceMark rm;
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67 TraceTime timer("MethodHandles adapters generation", TraceStartupTime);
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68 _adapter_code = MethodHandlesAdapterBlob::create(adapter_code_size);
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69 if (_adapter_code == NULL)
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70 vm_exit_out_of_memory(adapter_code_size, OOM_MALLOC_ERROR,
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71 "CodeCache: no room for MethodHandles adapters");
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72 {
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73 CodeBuffer code(_adapter_code);
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74 MethodHandlesAdapterGenerator g(&code);
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75 g.generate();
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76 code.log_section_sizes("MethodHandlesAdapterBlob");
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77 }
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78 }
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79
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80 //------------------------------------------------------------------------------
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81 // MethodHandlesAdapterGenerator::generate
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82 //
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83 void MethodHandlesAdapterGenerator::generate() {
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84 // Generate generic method handle adapters.
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85 // Generate interpreter entries
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86 for (Interpreter::MethodKind mk = Interpreter::method_handle_invoke_FIRST;
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87 mk <= Interpreter::method_handle_invoke_LAST;
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88 mk = Interpreter::MethodKind(1 + (int)mk)) {
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89 vmIntrinsics::ID iid = Interpreter::method_handle_intrinsic(mk);
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90 StubCodeMark mark(this, "MethodHandle::interpreter_entry", vmIntrinsics::name_at(iid));
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91 address entry = MethodHandles::generate_method_handle_interpreter_entry(_masm, iid);
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92 if (entry != NULL) {
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93 Interpreter::set_entry_for_kind(mk, entry);
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94 }
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95 // If the entry is not set, it will throw AbstractMethodError.
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96 }
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97 }
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98
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99 void MethodHandles::set_enabled(bool z) {
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100 if (_enabled != z) {
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101 guarantee(z && EnableInvokeDynamic, "can only enable once, and only if -XX:+EnableInvokeDynamic");
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102 _enabled = z;
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103 }
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104 }
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105
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106 // MemberName support
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107
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108 // import java_lang_invoke_MemberName.*
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109 enum {
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110 IS_METHOD = java_lang_invoke_MemberName::MN_IS_METHOD,
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111 IS_CONSTRUCTOR = java_lang_invoke_MemberName::MN_IS_CONSTRUCTOR,
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112 IS_FIELD = java_lang_invoke_MemberName::MN_IS_FIELD,
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113 IS_TYPE = java_lang_invoke_MemberName::MN_IS_TYPE,
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114 CALLER_SENSITIVE = java_lang_invoke_MemberName::MN_CALLER_SENSITIVE,
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115 REFERENCE_KIND_SHIFT = java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT,
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116 REFERENCE_KIND_MASK = java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK,
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117 SEARCH_SUPERCLASSES = java_lang_invoke_MemberName::MN_SEARCH_SUPERCLASSES,
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118 SEARCH_INTERFACES = java_lang_invoke_MemberName::MN_SEARCH_INTERFACES,
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119 ALL_KINDS = IS_METHOD | IS_CONSTRUCTOR | IS_FIELD | IS_TYPE
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120 };
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121
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122 Handle MethodHandles::new_MemberName(TRAPS) {
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123 Handle empty;
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124 instanceKlassHandle k(THREAD, SystemDictionary::MemberName_klass());
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125 if (!k->is_initialized()) k->initialize(CHECK_(empty));
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126 return Handle(THREAD, k->allocate_instance(THREAD));
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127 }
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128
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129 oop MethodHandles::init_MemberName(Handle mname, Handle target) {
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130 // This method is used from java.lang.invoke.MemberName constructors.
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131 // It fills in the new MemberName from a java.lang.reflect.Member.
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132 Thread* thread = Thread::current();
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133 oop target_oop = target();
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134 Klass* target_klass = target_oop->klass();
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135 if (target_klass == SystemDictionary::reflect_Field_klass()) {
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136 oop clazz = java_lang_reflect_Field::clazz(target_oop); // fd.field_holder()
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137 int slot = java_lang_reflect_Field::slot(target_oop); // fd.index()
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138 KlassHandle k(thread, java_lang_Class::as_Klass(clazz));
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139 if (!k.is_null() && k->oop_is_instance()) {
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140 fieldDescriptor fd(InstanceKlass::cast(k()), slot);
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141 oop mname2 = init_field_MemberName(mname, fd);
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142 if (mname2 != NULL) {
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143 // Since we have the reified name and type handy, add them to the result.
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144 if (java_lang_invoke_MemberName::name(mname2) == NULL)
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145 java_lang_invoke_MemberName::set_name(mname2, java_lang_reflect_Field::name(target_oop));
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diff changeset
146 if (java_lang_invoke_MemberName::type(mname2) == NULL)
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147 java_lang_invoke_MemberName::set_type(mname2, java_lang_reflect_Field::type(target_oop));
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drchase
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diff changeset
148 }
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drchase
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diff changeset
149 return mname2;
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drchase
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diff changeset
150 }
6266
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diff changeset
151 } else if (target_klass == SystemDictionary::reflect_Method_klass()) {
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diff changeset
152 oop clazz = java_lang_reflect_Method::clazz(target_oop);
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twisti
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diff changeset
153 int slot = java_lang_reflect_Method::slot(target_oop);
10133
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sspitsyn
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diff changeset
154 KlassHandle k(thread, java_lang_Class::as_Klass(clazz));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
155 if (!k.is_null() && k->oop_is_instance()) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
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diff changeset
156 Method* m = InstanceKlass::cast(k())->method_with_idnum(slot);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
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diff changeset
157 if (m == NULL || is_signature_polymorphic(m->intrinsic_id()))
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drchase
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diff changeset
158 return NULL; // do not resolve unless there is a concrete signature
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drchase
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diff changeset
159 CallInfo info(m, k());
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diff changeset
160 return init_method_MemberName(mname, info);
6266
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twisti
parents: 6224
diff changeset
161 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
162 } else if (target_klass == SystemDictionary::reflect_Constructor_klass()) {
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diff changeset
163 oop clazz = java_lang_reflect_Constructor::clazz(target_oop);
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twisti
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diff changeset
164 int slot = java_lang_reflect_Constructor::slot(target_oop);
10133
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sspitsyn
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diff changeset
165 KlassHandle k(thread, java_lang_Class::as_Klass(clazz));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
166 if (!k.is_null() && k->oop_is_instance()) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
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diff changeset
167 Method* m = InstanceKlass::cast(k())->method_with_idnum(slot);
12264
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168 if (m == NULL) return NULL;
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drchase
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diff changeset
169 CallInfo info(m, k());
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170 return init_method_MemberName(mname, info);
6266
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twisti
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171 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
172 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
173 return NULL;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
174 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
175
12264
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diff changeset
176 oop MethodHandles::init_method_MemberName(Handle mname, CallInfo& info) {
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diff changeset
177 assert(info.resolved_appendix().is_null(), "only normal methods here");
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drchase
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178 KlassHandle receiver_limit = info.resolved_klass();
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drchase
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diff changeset
179 methodHandle m = info.resolved_method();
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180 int flags = (jushort)( m->access_flags().as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS );
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181 int vmindex = Method::invalid_vtable_index;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
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diff changeset
182
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diff changeset
183 switch (info.call_kind()) {
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drchase
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diff changeset
184 case CallInfo::itable_call:
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drchase
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diff changeset
185 vmindex = info.itable_index();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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186 // More importantly, the itable index only works with the method holder.
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drchase
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diff changeset
187 receiver_limit = m->method_holder();
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diff changeset
188 assert(receiver_limit->verify_itable_index(vmindex), "");
6266
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diff changeset
189 flags |= IS_METHOD | (JVM_REF_invokeInterface << REFERENCE_KIND_SHIFT);
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
190 if (TraceInvokeDynamic) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
191 ResourceMark rm;
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
192 tty->print_cr("memberName: invokeinterface method_holder::method: %s, receiver: %s, itableindex: %d, access_flags:",
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
193 Method::name_and_sig_as_C_string(receiver_limit(), m->name(), m->signature()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
194 receiver_limit()->internal_name(), vmindex);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
195 m->access_flags().print_on(tty);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
196 if (!m->is_abstract()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
197 tty->print("default");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
198 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
199 tty->cr();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
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diff changeset
200 }
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
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diff changeset
201 break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
202
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
203 case CallInfo::vtable_call:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
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diff changeset
204 vmindex = info.vtable_index();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
205 flags |= IS_METHOD | (JVM_REF_invokeVirtual << REFERENCE_KIND_SHIFT);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
206 assert(receiver_limit->is_subtype_of(m->method_holder()), "virtual call must be type-safe");
12823
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
207 if (TraceInvokeDynamic) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
208 ResourceMark rm;
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
209 tty->print_cr("memberName: invokevirtual method_holder::method: %s, receiver: %s, vtableindex: %d, access_flags:",
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
210 Method::name_and_sig_as_C_string(receiver_limit(), m->name(), m->signature()),
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
211 receiver_limit()->internal_name(), vmindex);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
212 m->access_flags().print_on(tty);
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
213 if (m->is_default_method()) {
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
214 tty->print("default");
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
215 }
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
216 tty->cr();
ac9cb1d5a202 8009130: Lambda: Fix access controls, loader constraints.
acorn
parents: 12264
diff changeset
217 }
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
218 break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
219
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
220 case CallInfo::direct_call:
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
221 vmindex = Method::nonvirtual_vtable_index;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
222 if (m->is_static()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
223 flags |= IS_METHOD | (JVM_REF_invokeStatic << REFERENCE_KIND_SHIFT);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
224 } else if (m->is_initializer()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
225 flags |= IS_CONSTRUCTOR | (JVM_REF_invokeSpecial << REFERENCE_KIND_SHIFT);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
226 assert(receiver_limit == m->method_holder(), "constructor call must be exactly typed");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
227 } else {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
228 flags |= IS_METHOD | (JVM_REF_invokeSpecial << REFERENCE_KIND_SHIFT);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
229 assert(receiver_limit->is_subtype_of(m->method_holder()), "special call must be type-safe");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
230 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
231 break;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
232
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
233 default: assert(false, "bad CallInfo"); return NULL;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
234 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
235
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
236 // @CallerSensitive annotation detected
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
237 if (m->caller_sensitive()) {
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
238 flags |= CALLER_SENSITIVE;
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
239 }
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
240
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
241 oop mname_oop = mname();
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
242 java_lang_invoke_MemberName::set_flags( mname_oop, flags);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
243 java_lang_invoke_MemberName::set_vmtarget(mname_oop, m());
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
244 java_lang_invoke_MemberName::set_vmindex( mname_oop, vmindex); // vtable/itable index
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
245 java_lang_invoke_MemberName::set_clazz( mname_oop, receiver_limit->java_mirror());
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
246 // Note: name and type can be lazily computed by resolve_MemberName,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
247 // if Java code needs them as resolved String and MethodType objects.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
248 // The clazz must be eagerly stored, because it provides a GC
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
249 // root to help keep alive the Method*.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
250 // If relevant, the vtable or itable value is stored as vmindex.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
251 // This is done eagerly, since it is readily available without
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
252 // constructing any new objects.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
253 // TO DO: maybe intern mname_oop
10345
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
254 m->method_holder()->add_member_name(m->method_idnum(), mname);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
255
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
256 return mname();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
257 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
258
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
259 oop MethodHandles::init_field_MemberName(Handle mname, fieldDescriptor& fd, bool is_setter) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
260 int flags = (jushort)( fd.access_flags().as_short() & JVM_RECOGNIZED_FIELD_MODIFIERS );
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
261 flags |= IS_FIELD | ((fd.is_static() ? JVM_REF_getStatic : JVM_REF_getField) << REFERENCE_KIND_SHIFT);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
262 if (is_setter) flags += ((JVM_REF_putField - JVM_REF_getField) << REFERENCE_KIND_SHIFT);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
263 Metadata* vmtarget = fd.field_holder();
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
264 int vmindex = fd.offset(); // determines the field uniquely when combined with static bit
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
265 oop mname_oop = mname();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
266 java_lang_invoke_MemberName::set_flags(mname_oop, flags);
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
267 java_lang_invoke_MemberName::set_vmtarget(mname_oop, vmtarget);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
268 java_lang_invoke_MemberName::set_vmindex(mname_oop, vmindex);
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
269 java_lang_invoke_MemberName::set_clazz(mname_oop, fd.field_holder()->java_mirror());
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
270 oop type = field_signature_type_or_null(fd.signature());
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
271 oop name = field_name_or_null(fd.name());
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
272 if (name != NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
273 java_lang_invoke_MemberName::set_name(mname_oop, name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
274 if (type != NULL)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
275 java_lang_invoke_MemberName::set_type(mname_oop, type);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
276 // Note: name and type can be lazily computed by resolve_MemberName,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
277 // if Java code needs them as resolved String and Class objects.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
278 // Note that the incoming type oop might be pre-resolved (non-null).
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
279 // The base clazz and field offset (vmindex) must be eagerly stored,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
280 // because they unambiguously identify the field.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
281 // Although the fieldDescriptor::_index would also identify the field,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
282 // we do not use it, because it is harder to decode.
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283 // TO DO: maybe intern mname_oop
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284 return mname();
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285 }
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286
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287 // JVM 2.9 Special Methods:
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288 // A method is signature polymorphic if and only if all of the following conditions hold :
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289 // * It is declared in the java.lang.invoke.MethodHandle class.
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290 // * It has a single formal parameter of type Object[].
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291 // * It has a return type of Object.
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292 // * It has the ACC_VARARGS and ACC_NATIVE flags set.
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293 bool MethodHandles::is_method_handle_invoke_name(Klass* klass, Symbol* name) {
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294 if (klass == NULL)
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295 return false;
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296 // The following test will fail spuriously during bootstrap of MethodHandle itself:
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297 // if (klass != SystemDictionary::MethodHandle_klass())
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298 // Test the name instead:
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299 if (klass->name() != vmSymbols::java_lang_invoke_MethodHandle())
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300 return false;
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301 Symbol* poly_sig = vmSymbols::object_array_object_signature();
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302 Method* m = InstanceKlass::cast(klass)->find_method(name, poly_sig);
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303 if (m == NULL) return false;
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304 int required = JVM_ACC_NATIVE | JVM_ACC_VARARGS;
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305 int flags = m->access_flags().as_int();
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306 return (flags & required) == required;
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307 }
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308
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309
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310 Symbol* MethodHandles::signature_polymorphic_intrinsic_name(vmIntrinsics::ID iid) {
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311 assert(is_signature_polymorphic_intrinsic(iid), err_msg("iid=%d", iid));
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312 switch (iid) {
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313 case vmIntrinsics::_invokeBasic: return vmSymbols::invokeBasic_name();
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314 case vmIntrinsics::_linkToVirtual: return vmSymbols::linkToVirtual_name();
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315 case vmIntrinsics::_linkToStatic: return vmSymbols::linkToStatic_name();
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316 case vmIntrinsics::_linkToSpecial: return vmSymbols::linkToSpecial_name();
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317 case vmIntrinsics::_linkToInterface: return vmSymbols::linkToInterface_name();
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318 }
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319 assert(false, "");
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320 return 0;
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321 }
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322
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323 int MethodHandles::signature_polymorphic_intrinsic_ref_kind(vmIntrinsics::ID iid) {
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324 switch (iid) {
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325 case vmIntrinsics::_invokeBasic: return 0;
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326 case vmIntrinsics::_linkToVirtual: return JVM_REF_invokeVirtual;
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327 case vmIntrinsics::_linkToStatic: return JVM_REF_invokeStatic;
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328 case vmIntrinsics::_linkToSpecial: return JVM_REF_invokeSpecial;
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329 case vmIntrinsics::_linkToInterface: return JVM_REF_invokeInterface;
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330 }
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331 assert(false, err_msg("iid=%d", iid));
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332 return 0;
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333 }
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334
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335 vmIntrinsics::ID MethodHandles::signature_polymorphic_name_id(Symbol* name) {
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336 vmSymbols::SID name_id = vmSymbols::find_sid(name);
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337 switch (name_id) {
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338 // The ID _invokeGeneric stands for all non-static signature-polymorphic methods, except built-ins.
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339 case vmSymbols::VM_SYMBOL_ENUM_NAME(invoke_name): return vmIntrinsics::_invokeGeneric;
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340 // The only built-in non-static signature-polymorphic method is MethodHandle.invokeBasic:
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341 case vmSymbols::VM_SYMBOL_ENUM_NAME(invokeBasic_name): return vmIntrinsics::_invokeBasic;
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342
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343 // There is one static signature-polymorphic method for each JVM invocation mode.
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344 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToVirtual_name): return vmIntrinsics::_linkToVirtual;
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345 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToStatic_name): return vmIntrinsics::_linkToStatic;
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346 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToSpecial_name): return vmIntrinsics::_linkToSpecial;
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347 case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToInterface_name): return vmIntrinsics::_linkToInterface;
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348 }
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349
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350 // Cover the case of invokeExact and any future variants of invokeFoo.
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351 Klass* mh_klass = SystemDictionary::well_known_klass(
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352 SystemDictionary::WK_KLASS_ENUM_NAME(MethodHandle_klass) );
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353 if (mh_klass != NULL && is_method_handle_invoke_name(mh_klass, name))
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354 return vmIntrinsics::_invokeGeneric;
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355
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356 // Note: The pseudo-intrinsic _compiledLambdaForm is never linked against.
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357 // Instead it is used to mark lambda forms bound to invokehandle or invokedynamic.
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358 return vmIntrinsics::_none;
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359 }
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360
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361 vmIntrinsics::ID MethodHandles::signature_polymorphic_name_id(Klass* klass, Symbol* name) {
6266
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362 if (klass != NULL &&
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363 klass->name() == vmSymbols::java_lang_invoke_MethodHandle()) {
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364 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
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365 if (iid != vmIntrinsics::_none)
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366 return iid;
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367 if (is_method_handle_invoke_name(klass, name))
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368 return vmIntrinsics::_invokeGeneric;
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369 }
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370 return vmIntrinsics::_none;
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371 }
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372
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373
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374 // convert the external string or reflective type to an internal signature
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375 Symbol* MethodHandles::lookup_signature(oop type_str, bool intern_if_not_found, TRAPS) {
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376 if (java_lang_invoke_MethodType::is_instance(type_str)) {
6266
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377 return java_lang_invoke_MethodType::as_signature(type_str, intern_if_not_found, CHECK_NULL);
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378 } else if (java_lang_Class::is_instance(type_str)) {
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379 return java_lang_Class::as_signature(type_str, false, CHECK_NULL);
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380 } else if (java_lang_String::is_instance(type_str)) {
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381 if (intern_if_not_found) {
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382 return java_lang_String::as_symbol(type_str, CHECK_NULL);
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383 } else {
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384 return java_lang_String::as_symbol_or_null(type_str);
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385 }
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386 } else {
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387 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized type", NULL);
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388 }
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389 }
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diff changeset
390
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391 static const char OBJ_SIG[] = "Ljava/lang/Object;";
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392 enum { OBJ_SIG_LEN = 18 };
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393
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394 bool MethodHandles::is_basic_type_signature(Symbol* sig) {
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395 assert(vmSymbols::object_signature()->utf8_length() == (int)OBJ_SIG_LEN, "");
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396 assert(vmSymbols::object_signature()->equals(OBJ_SIG), "");
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397 const int len = sig->utf8_length();
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398 for (int i = 0; i < len; i++) {
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399 switch (sig->byte_at(i)) {
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400 case 'L':
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401 // only java/lang/Object is valid here
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402 if (sig->index_of_at(i, OBJ_SIG, OBJ_SIG_LEN) != i)
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403 return false;
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404 i += OBJ_SIG_LEN-1; //-1 because of i++ in loop
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405 continue;
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diff changeset
406 case '(': case ')': case 'V':
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407 case 'I': case 'J': case 'F': case 'D':
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408 continue;
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409 //case '[':
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410 //case 'Z': case 'B': case 'C': case 'S':
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diff changeset
411 default:
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412 return false;
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413 }
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414 }
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diff changeset
415 return true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
416 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
417
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418 Symbol* MethodHandles::lookup_basic_type_signature(Symbol* sig, bool keep_last_arg, TRAPS) {
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419 Symbol* bsig = NULL;
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420 if (sig == NULL) {
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421 return sig;
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422 } else if (is_basic_type_signature(sig)) {
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diff changeset
423 sig->increment_refcount();
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424 return sig; // that was easy
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425 } else if (sig->byte_at(0) != '(') {
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parents: 6224
diff changeset
426 BasicType bt = char2type(sig->byte_at(0));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
427 if (is_subword_type(bt)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
428 bsig = vmSymbols::int_signature();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
429 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
430 assert(bt == T_OBJECT || bt == T_ARRAY, "is_basic_type_signature was false");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
431 bsig = vmSymbols::object_signature();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
432 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
433 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
434 ResourceMark rm;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
435 stringStream buffer(128);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
436 buffer.put('(');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
437 int arg_pos = 0, keep_arg_pos = -1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
438 if (keep_last_arg)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
439 keep_arg_pos = ArgumentCount(sig).size() - 1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
440 for (SignatureStream ss(sig); !ss.is_done(); ss.next()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
441 BasicType bt = ss.type();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
442 size_t this_arg_pos = buffer.size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
443 if (ss.at_return_type()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
444 buffer.put(')');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
445 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
446 if (arg_pos == keep_arg_pos) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
447 buffer.write((char*) ss.raw_bytes(),
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
448 (int) ss.raw_length());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
449 } else if (bt == T_OBJECT || bt == T_ARRAY) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
450 buffer.write(OBJ_SIG, OBJ_SIG_LEN);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
451 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
452 if (is_subword_type(bt))
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
453 bt = T_INT;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
454 buffer.put(type2char(bt));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
455 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
456 arg_pos++;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
457 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
458 const char* sigstr = buffer.base();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
459 int siglen = (int) buffer.size();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
460 bsig = SymbolTable::new_symbol(sigstr, siglen, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
461 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
462 assert(is_basic_type_signature(bsig) ||
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
463 // detune assert in case the injected argument is not a basic type:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
464 keep_last_arg, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
465 return bsig;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
466 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
467
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
468 void MethodHandles::print_as_basic_type_signature_on(outputStream* st,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
469 Symbol* sig,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
470 bool keep_arrays,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
471 bool keep_basic_names) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
472 st = st ? st : tty;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
473 int len = sig->utf8_length();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
474 int array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
475 bool prev_type = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
476 for (int i = 0; i < len; i++) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
477 char ch = sig->byte_at(i);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
478 switch (ch) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
479 case '(': case ')':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
480 prev_type = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
481 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
482 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
483 case '[':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
484 if (!keep_basic_names && keep_arrays)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
485 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
486 array++;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
487 continue;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
488 case 'L':
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
489 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
490 if (prev_type) st->put(',');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
491 int start = i+1, slash = start;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
492 while (++i < len && (ch = sig->byte_at(i)) != ';') {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
493 if (ch == '/' || ch == '.' || ch == '$') slash = i+1;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
494 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
495 if (slash < i) start = slash;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
496 if (!keep_basic_names) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
497 st->put('L');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
498 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
499 for (int j = start; j < i; j++)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
500 st->put(sig->byte_at(j));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
501 prev_type = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
502 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
503 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
504 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
505 default:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
506 {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
507 if (array && char2type(ch) != T_ILLEGAL && !keep_arrays) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
508 ch = '[';
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
509 array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
510 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
511 if (prev_type) st->put(',');
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
512 const char* n = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
513 if (keep_basic_names)
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
514 n = type2name(char2type(ch));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
515 if (n == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
516 // unknown letter, or we don't want to know its name
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
517 st->put(ch);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
518 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
519 st->print(n);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
520 prev_type = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
521 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
522 break;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
523 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
524 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
525 // Switch break goes here to take care of array suffix:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
526 if (prev_type) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
527 while (array > 0) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
528 st->print("[]");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
529 --array;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
530 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
531 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
532 array = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
533 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
534 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
535
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
536
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
537
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
538 static oop object_java_mirror() {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
539 return SystemDictionary::Object_klass()->java_mirror();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
540 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
541
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
542 oop MethodHandles::field_name_or_null(Symbol* s) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
543 if (s == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
544 return StringTable::lookup(s);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
545 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
546
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
547 oop MethodHandles::field_signature_type_or_null(Symbol* s) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
548 if (s == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
549 BasicType bt = FieldType::basic_type(s);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
550 if (is_java_primitive(bt)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
551 assert(s->utf8_length() == 1, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
552 return java_lang_Class::primitive_mirror(bt);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
553 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
554 // Here are some more short cuts for common types.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
555 // They are optional, since reference types can be resolved lazily.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
556 if (bt == T_OBJECT) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
557 if (s == vmSymbols::object_signature()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
558 return object_java_mirror();
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
559 } else if (s == vmSymbols::class_signature()) {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
560 return SystemDictionary::Class_klass()->java_mirror();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
561 } else if (s == vmSymbols::string_signature()) {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
562 return SystemDictionary::String_klass()->java_mirror();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
563 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
564 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
565 return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
566 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
567
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
568
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
569 // An unresolved member name is a mere symbolic reference.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
570 // Resolving it plants a vmtarget/vmindex in it,
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
571 // which refers directly to JVM internals.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
572 Handle MethodHandles::resolve_MemberName(Handle mname, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
573 Handle empty;
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
574 assert(java_lang_invoke_MemberName::is_instance(mname()), "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
575
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
576 if (java_lang_invoke_MemberName::vmtarget(mname()) != NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
577 // Already resolved.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
578 DEBUG_ONLY(int vmindex = java_lang_invoke_MemberName::vmindex(mname()));
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
579 assert(vmindex >= Method::nonvirtual_vtable_index, "");
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
580 return mname;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
581 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
582
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
583 Handle defc_oop(THREAD, java_lang_invoke_MemberName::clazz(mname()));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
584 Handle name_str(THREAD, java_lang_invoke_MemberName::name( mname()));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
585 Handle type_str(THREAD, java_lang_invoke_MemberName::type( mname()));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
586 int flags = java_lang_invoke_MemberName::flags(mname());
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
587 int ref_kind = (flags >> REFERENCE_KIND_SHIFT) & REFERENCE_KIND_MASK;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
588 if (!ref_kind_is_valid(ref_kind)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
589 THROW_MSG_(vmSymbols::java_lang_InternalError(), "obsolete MemberName format", empty);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
590 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
591
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
592 DEBUG_ONLY(int old_vmindex);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
593 assert((old_vmindex = java_lang_invoke_MemberName::vmindex(mname())) == 0, "clean input");
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
594
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
595 if (defc_oop.is_null() || name_str.is_null() || type_str.is_null()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
596 THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(), "nothing to resolve", empty);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
597 }
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
598
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
599 instanceKlassHandle defc;
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
600 {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
601 Klass* defc_klass = java_lang_Class::as_Klass(defc_oop());
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
602 if (defc_klass == NULL) return empty; // a primitive; no resolution possible
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
603 if (!defc_klass->oop_is_instance()) {
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
604 if (!defc_klass->oop_is_array()) return empty;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
605 defc_klass = SystemDictionary::Object_klass();
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
606 }
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
607 defc = instanceKlassHandle(THREAD, defc_klass);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
608 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
609 if (defc.is_null()) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
610 THROW_MSG_(vmSymbols::java_lang_InternalError(), "primitive class", empty);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
611 }
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
612 defc->link_class(CHECK_(empty)); // possible safepoint
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
613
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
614 // convert the external string name to an internal symbol
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
615 TempNewSymbol name = java_lang_String::as_symbol_or_null(name_str());
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
616 if (name == NULL) return empty; // no such name
3781
d83ac25d0304 7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents: 3757
diff changeset
617 if (name == vmSymbols::class_initializer_name())
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
618 return empty; // illegal name
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
619
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
620 vmIntrinsics::ID mh_invoke_id = vmIntrinsics::_none;
1508
2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors
jrose
parents: 1507
diff changeset
621 if ((flags & ALL_KINDS) == IS_METHOD &&
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
622 (defc() == SystemDictionary::MethodHandle_klass()) &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
623 (ref_kind == JVM_REF_invokeVirtual ||
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
624 ref_kind == JVM_REF_invokeSpecial ||
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
625 // static invocation mode is required for _linkToVirtual, etc.:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
626 ref_kind == JVM_REF_invokeStatic)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
627 vmIntrinsics::ID iid = signature_polymorphic_name_id(name);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
628 if (iid != vmIntrinsics::_none &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
629 ((ref_kind == JVM_REF_invokeStatic) == is_signature_polymorphic_static(iid))) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
630 // Virtual methods invoke and invokeExact, plus internal invokers like _invokeBasic.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
631 // For a static reference it could an internal linkage routine like _linkToVirtual, etc.
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
632 mh_invoke_id = iid;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
633 }
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
634 }
1508
2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors
jrose
parents: 1507
diff changeset
635
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
636 // convert the external string or reflective type to an internal signature
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
637 TempNewSymbol type = lookup_signature(type_str(), (mh_invoke_id != vmIntrinsics::_none), CHECK_(empty));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
638 if (type == NULL) return empty; // no such signature exists in the VM
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
639
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
640 // Time to do the lookup.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
641 switch (flags & ALL_KINDS) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
642 case IS_METHOD:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
643 {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
644 CallInfo result;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
645 {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
646 assert(!HAS_PENDING_EXCEPTION, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
647 if (ref_kind == JVM_REF_invokeStatic) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
648 LinkResolver::resolve_static_call(result,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
649 defc, name, type, KlassHandle(), false, false, THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
650 } else if (ref_kind == JVM_REF_invokeInterface) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
651 LinkResolver::resolve_interface_call(result, Handle(), defc,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
652 defc, name, type, KlassHandle(), false, false, THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
653 } else if (mh_invoke_id != vmIntrinsics::_none) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
654 assert(!is_signature_polymorphic_static(mh_invoke_id), "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
655 LinkResolver::resolve_handle_call(result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
656 defc, name, type, KlassHandle(), THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
657 } else if (ref_kind == JVM_REF_invokeSpecial) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
658 LinkResolver::resolve_special_call(result,
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
659 defc, name, type, KlassHandle(), false, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
660 } else if (ref_kind == JVM_REF_invokeVirtual) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
661 LinkResolver::resolve_virtual_call(result, Handle(), defc,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
662 defc, name, type, KlassHandle(), false, false, THREAD);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
663 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
664 assert(false, err_msg("ref_kind=%d", ref_kind));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
665 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
666 if (HAS_PENDING_EXCEPTION) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
667 return empty;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
668 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
669 }
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
670 if (result.resolved_appendix().not_null()) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
671 // The resolved MemberName must not be accompanied by an appendix argument,
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
672 // since there is no way to bind this value into the MemberName.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
673 // Caller is responsible to prevent this from happening.
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
674 THROW_MSG_(vmSymbols::java_lang_InternalError(), "appendix", empty);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
675 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
676 oop mname2 = init_method_MemberName(mname, result);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
677 return Handle(THREAD, mname2);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
678 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
679 case IS_CONSTRUCTOR:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
680 {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
681 CallInfo result;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
682 {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
683 assert(!HAS_PENDING_EXCEPTION, "");
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2116
diff changeset
684 if (name == vmSymbols::object_initializer_name()) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
685 LinkResolver::resolve_special_call(result,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
686 defc, name, type, KlassHandle(), false, THREAD);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
687 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
688 break; // will throw after end of switch
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
689 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
690 if (HAS_PENDING_EXCEPTION) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
691 return empty;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
692 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
693 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
694 assert(result.is_statically_bound(), "");
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
695 oop mname2 = init_method_MemberName(mname, result);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
696 return Handle(THREAD, mname2);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
697 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
698 case IS_FIELD:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
699 {
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
700 fieldDescriptor result; // find_field initializes fd if found
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
701 {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
702 assert(!HAS_PENDING_EXCEPTION, "");
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
703 LinkResolver::resolve_field(result, defc, name, type, KlassHandle(), Bytecodes::_nop, false, false, THREAD);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
704 if (HAS_PENDING_EXCEPTION) {
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
705 return empty;
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
706 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
707 }
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
708 oop mname2 = init_field_MemberName(mname, result, ref_kind_is_setter(ref_kind));
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
709 return Handle(THREAD, mname2);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
710 }
1508
2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors
jrose
parents: 1507
diff changeset
711 default:
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
712 THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
713 }
1508
2ffde6cfe049 6939196: method handle signatures off the boot class path get linkage errors
jrose
parents: 1507
diff changeset
714
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
715 return empty;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
716 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
717
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
718 // Conversely, a member name which is only initialized from JVM internals
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
719 // may have null defc, name, and type fields.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
720 // Resolving it plants a vmtarget/vmindex in it,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
721 // which refers directly to JVM internals.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
722 void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) {
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
723 assert(java_lang_invoke_MemberName::is_instance(mname()), "");
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
724 Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(mname());
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
725 int vmindex = java_lang_invoke_MemberName::vmindex(mname());
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
726 if (vmtarget == NULL) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
727 THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "nothing to expand");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
728 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
729
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
730 bool have_defc = (java_lang_invoke_MemberName::clazz(mname()) != NULL);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
731 bool have_name = (java_lang_invoke_MemberName::name(mname()) != NULL);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
732 bool have_type = (java_lang_invoke_MemberName::type(mname()) != NULL);
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
733 int flags = java_lang_invoke_MemberName::flags(mname());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
734
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
735 if (suppress != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
736 if (suppress & _suppress_defc) have_defc = true;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
737 if (suppress & _suppress_name) have_name = true;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
738 if (suppress & _suppress_type) have_type = true;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
739 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
740
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
741 if (have_defc && have_name && have_type) return; // nothing needed
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
742
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
743 switch (flags & ALL_KINDS) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
744 case IS_METHOD:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
745 case IS_CONSTRUCTOR:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
746 {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
747 assert(vmtarget->is_method(), "method or constructor vmtarget is Method*");
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
748 methodHandle m(THREAD, (Method*)vmtarget);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
749 DEBUG_ONLY(vmtarget = NULL); // safety
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
750 if (m.is_null()) break;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
751 if (!have_defc) {
6940
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6852
diff changeset
752 InstanceKlass* defc = m->method_holder();
18fb7da42534 8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents: 6852
diff changeset
753 java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
754 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
755 if (!have_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
756 //not java_lang_String::create_from_symbol; let's intern member names
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
757 Handle name = StringTable::intern(m->name(), CHECK);
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
758 java_lang_invoke_MemberName::set_name(mname(), name());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
759 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
760 if (!have_type) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
761 Handle type = java_lang_String::create_from_symbol(m->signature(), CHECK);
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
762 java_lang_invoke_MemberName::set_type(mname(), type());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
763 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
764 return;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
765 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
766 case IS_FIELD:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
767 {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
768 assert(vmtarget->is_klass(), "field vmtarget is Klass*");
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
769 if (!((Klass*) vmtarget)->oop_is_instance()) break;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
770 instanceKlassHandle defc(THREAD, (Klass*) vmtarget);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
771 DEBUG_ONLY(vmtarget = NULL); // safety
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
772 bool is_static = ((flags & JVM_ACC_STATIC) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
773 fieldDescriptor fd; // find_field initializes fd if found
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
774 if (!defc->find_field_from_offset(vmindex, is_static, &fd))
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
775 break; // cannot expand
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
776 if (!have_defc) {
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
777 java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
778 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
779 if (!have_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
780 //not java_lang_String::create_from_symbol; let's intern member names
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
781 Handle name = StringTable::intern(fd.name(), CHECK);
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
782 java_lang_invoke_MemberName::set_name(mname(), name());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
783 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
784 if (!have_type) {
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
785 // If it is a primitive field type, don't mess with short strings like "I".
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
786 Handle type = field_signature_type_or_null(fd.signature());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
787 if (type.is_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
788 java_lang_String::create_from_symbol(fd.signature(), CHECK);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
789 }
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
790 java_lang_invoke_MemberName::set_type(mname(), type());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
791 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
792 return;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
793 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
794 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
795 THROW_MSG(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format");
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
796 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
797
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
798 int MethodHandles::find_MemberNames(KlassHandle k,
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2116
diff changeset
799 Symbol* name, Symbol* sig,
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
800 int mflags, KlassHandle caller,
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
801 int skip, objArrayHandle results) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
802 // %%% take caller into account!
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
803
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
804 Thread* thread = Thread::current();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
805
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
806 if (k.is_null() || !k->oop_is_instance()) return -1;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
807
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
808 int rfill = 0, rlimit = results->length(), rskip = skip;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
809 // overflow measurement:
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
810 int overflow = 0, overflow_limit = MAX2(1000, rlimit);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
811
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
812 int match_flags = mflags;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
813 bool search_superc = ((match_flags & SEARCH_SUPERCLASSES) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
814 bool search_intfc = ((match_flags & SEARCH_INTERFACES) != 0);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
815 bool local_only = !(search_superc | search_intfc);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
816 bool classes_only = false;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
817
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
818 if (name != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
819 if (name->utf8_length() == 0) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
820 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
821 if (sig != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
822 if (sig->utf8_length() == 0) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
823 if (sig->byte_at(0) == '(')
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
824 match_flags &= ~(IS_FIELD | IS_TYPE);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
825 else
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
826 match_flags &= ~(IS_CONSTRUCTOR | IS_METHOD);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
827 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
828
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
829 if ((match_flags & IS_TYPE) != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
830 // NYI, and Core Reflection works quite well for this query
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
831 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
832
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
833 if ((match_flags & IS_FIELD) != 0) {
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
834 for (FieldStream st(k(), local_only, !search_intfc); !st.eos(); st.next()) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
835 if (name != NULL && st.name() != name)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
836 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
837 if (sig != NULL && st.signature() != sig)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
838 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
839 // passed the filters
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
840 if (rskip > 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
841 --rskip;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
842 } else if (rfill < rlimit) {
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
843 Handle result(thread, results->obj_at(rfill++));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
844 if (!java_lang_invoke_MemberName::is_instance(result()))
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
845 return -99; // caller bug!
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
846 oop saved = MethodHandles::init_field_MemberName(result, st.field_descriptor());
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
847 if (saved != result())
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
848 results->obj_at_put(rfill-1, saved); // show saved instance to user
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
849 } else if (++overflow >= overflow_limit) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
850 match_flags = 0; break; // got tired of looking at overflow
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
851 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
852 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
853 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
854
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
855 if ((match_flags & (IS_METHOD | IS_CONSTRUCTOR)) != 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
856 // watch out for these guys:
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2116
diff changeset
857 Symbol* init_name = vmSymbols::object_initializer_name();
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2116
diff changeset
858 Symbol* clinit_name = vmSymbols::class_initializer_name();
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
859 if (name == clinit_name) clinit_name = NULL; // hack for exposing <clinit>
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
860 bool negate_name_test = false;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
861 // fix name so that it captures the intention of IS_CONSTRUCTOR
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
862 if (!(match_flags & IS_METHOD)) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
863 // constructors only
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
864 if (name == NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
865 name = init_name;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
866 } else if (name != init_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
867 return 0; // no constructors of this method name
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
868 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
869 } else if (!(match_flags & IS_CONSTRUCTOR)) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
870 // methods only
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
871 if (name == NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
872 name = init_name;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
873 negate_name_test = true; // if we see the name, we *omit* the entry
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
874 } else if (name == init_name) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
875 return 0; // no methods of this constructor name
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
876 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
877 } else {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
878 // caller will accept either sort; no need to adjust name
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
879 }
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
880 for (MethodStream st(k(), local_only, !search_intfc); !st.eos(); st.next()) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
881 Method* m = st.method();
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2116
diff changeset
882 Symbol* m_name = m->name();
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
883 if (m_name == clinit_name)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
884 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
885 if (name != NULL && ((m_name != name) ^ negate_name_test))
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
886 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
887 if (sig != NULL && m->signature() != sig)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
888 continue;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
889 // passed the filters
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
890 if (rskip > 0) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
891 --rskip;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
892 } else if (rfill < rlimit) {
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
893 Handle result(thread, results->obj_at(rfill++));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
894 if (!java_lang_invoke_MemberName::is_instance(result()))
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
895 return -99; // caller bug!
12264
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
896 CallInfo info(m);
b2e698d2276c 8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents: 11081
diff changeset
897 oop saved = MethodHandles::init_method_MemberName(result, info);
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
898 if (saved != result())
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
899 results->obj_at_put(rfill-1, saved); // show saved instance to user
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
900 } else if (++overflow >= overflow_limit) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
901 match_flags = 0; break; // got tired of looking at overflow
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
902 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
903 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
904 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
905
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
906 // return number of elements we at leasted wanted to initialize
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
907 return rfill + overflow;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
908 }
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
909
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
910 //------------------------------------------------------------------------------
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
911 // MemberNameTable
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
912 //
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
913
10345
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
914 MemberNameTable::MemberNameTable(int methods_cnt)
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
915 : GrowableArray<jweak>(methods_cnt, true) {
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
916 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
917 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
918
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
919 MemberNameTable::~MemberNameTable() {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
920 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
921 int len = this->length();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
922
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
923 for (int idx = 0; idx < len; idx++) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
924 jweak ref = this->at(idx);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
925 JNIHandles::destroy_weak_global(ref);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
926 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
927 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
928
10345
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
929 void MemberNameTable::add_member_name(int index, jweak mem_name_wref) {
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
930 assert_locked_or_safepoint(MemberNameTable_lock);
10345
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
931 this->at_put_grow(index, mem_name_wref);
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
932 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
933
10345
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
934 // Return a member name oop or NULL.
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
935 oop MemberNameTable::get_member_name(int index) {
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
936 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
937
10345
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
938 jweak ref = this->at(index);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
939 oop mem_name = JNIHandles::resolve(ref);
b7fa10a3a69a 8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents: 10283
diff changeset
940 return mem_name;
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
941 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
942
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
943 #if INCLUDE_JVMTI
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
944 oop MemberNameTable::find_member_name_by_method(Method* old_method) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
945 assert_locked_or_safepoint(MemberNameTable_lock);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
946 oop found = NULL;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
947 int len = this->length();
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
948
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
949 for (int idx = 0; idx < len; idx++) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
950 oop mem_name = JNIHandles::resolve(this->at(idx));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
951 if (mem_name == NULL) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
952 continue;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
953 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
954 Method* method = (Method*)java_lang_invoke_MemberName::vmtarget(mem_name);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
955 if (method == old_method) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
956 found = mem_name;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
957 break;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
958 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
959 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
960 return found;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
961 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
962
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
963 // It is called at safepoint only
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
964 void MemberNameTable::adjust_method_entries(Method** old_methods, Method** new_methods,
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
965 int methods_length, bool *trace_name_printed) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
966 assert(SafepointSynchronize::is_at_safepoint(), "only called at safepoint");
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
967 // search the MemberNameTable for uses of either obsolete or EMCP methods
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
968 for (int j = 0; j < methods_length; j++) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
969 Method* old_method = old_methods[j];
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
970 Method* new_method = new_methods[j];
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
971 oop mem_name = find_member_name_by_method(old_method);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
972 if (mem_name != NULL) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
973 java_lang_invoke_MemberName::adjust_vmtarget(mem_name, new_method);
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
974
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
975 if (RC_TRACE_IN_RANGE(0x00100000, 0x00400000)) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
976 if (!(*trace_name_printed)) {
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
977 // RC_TRACE_MESG macro has an embedded ResourceMark
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
978 RC_TRACE_MESG(("adjust: name=%s",
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
979 old_method->method_holder()->external_name()));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
980 *trace_name_printed = true;
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
981 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
982 // RC_TRACE macro has an embedded ResourceMark
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
983 RC_TRACE(0x00400000, ("MemberName method update: %s(%s)",
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
984 new_method->name()->as_C_string(),
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
985 new_method->signature()->as_C_string()));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
986 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
987 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
988 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
989 }
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
990 #endif // INCLUDE_JVMTI
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
991
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
992 //
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
993 // Here are the native methods in java.lang.invoke.MethodHandleNatives
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
994 // They are the private interface between this JVM and the HotSpot-specific
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
995 // Java code that implements JSR 292 method handles.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
996 //
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
997 // Note: We use a JVM_ENTRY macro to define each of these, for this is the way
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
998 // that intrinsic (non-JNI) native methods are defined in HotSpot.
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
999 //
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1000
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1001 JVM_ENTRY(jint, MHN_getConstant(JNIEnv *env, jobject igcls, jint which)) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1002 switch (which) {
3905
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3837
diff changeset
1003 case MethodHandles::GC_COUNT_GWT:
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3837
diff changeset
1004 #ifdef COMPILER2
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3837
diff changeset
1005 return true;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3837
diff changeset
1006 #else
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3837
diff changeset
1007 return false;
c26de9aef2ed 7071307: MethodHandle bimorphic inlining should consider the frequency
never
parents: 3837
diff changeset
1008 #endif
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1009 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1010 return 0;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1011 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1012 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1013
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1014 #ifndef PRODUCT
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1015 #define EACH_NAMED_CON(template, requirement) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1016 template(MethodHandles,GC_COUNT_GWT) \
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1017 template(java_lang_invoke_MemberName,MN_IS_METHOD) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1018 template(java_lang_invoke_MemberName,MN_IS_CONSTRUCTOR) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1019 template(java_lang_invoke_MemberName,MN_IS_FIELD) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1020 template(java_lang_invoke_MemberName,MN_IS_TYPE) \
8866
16885e702c88 7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents: 7418
diff changeset
1021 template(java_lang_invoke_MemberName,MN_CALLER_SENSITIVE) \
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1022 template(java_lang_invoke_MemberName,MN_SEARCH_SUPERCLASSES) \
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1023 template(java_lang_invoke_MemberName,MN_SEARCH_INTERFACES) \
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1024 template(java_lang_invoke_MemberName,MN_REFERENCE_KIND_SHIFT) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1025 template(java_lang_invoke_MemberName,MN_REFERENCE_KIND_MASK) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1026 template(MethodHandles,GC_LAMBDA_SUPPORT) \
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1027 /*end*/
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1028
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1029 #define IGNORE_REQ(req_expr) /* req_expr */
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1030 #define ONE_PLUS(scope,value) 1+
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1031 static const int con_value_count = EACH_NAMED_CON(ONE_PLUS, IGNORE_REQ) 0;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1032 #define VALUE_COMMA(scope,value) scope::value,
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1033 static const int con_values[con_value_count+1] = { EACH_NAMED_CON(VALUE_COMMA, IGNORE_REQ) 0 };
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1034 #define STRING_NULL(scope,value) #value "\0"
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1035 static const char con_names[] = { EACH_NAMED_CON(STRING_NULL, IGNORE_REQ) };
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1036
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1037 static bool advertise_con_value(int which) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1038 if (which < 0) return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1039 bool ok = true;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1040 int count = 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1041 #define INC_COUNT(scope,value) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1042 ++count;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1043 #define CHECK_REQ(req_expr) \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1044 if (which < count) return ok; \
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1045 ok = (req_expr);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1046 EACH_NAMED_CON(INC_COUNT, CHECK_REQ);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1047 #undef INC_COUNT
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1048 #undef CHECK_REQ
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1049 assert(count == con_value_count, "");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1050 if (which < count) return ok;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1051 return false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1052 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1053
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1054 #undef ONE_PLUS
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1055 #undef VALUE_COMMA
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1056 #undef STRING_NULL
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1057 #undef EACH_NAMED_CON
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1058 #endif // PRODUCT
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1059
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1060 JVM_ENTRY(jint, MHN_getNamedCon(JNIEnv *env, jobject igcls, jint which, jobjectArray box_jh)) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1061 #ifndef PRODUCT
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1062 if (advertise_con_value(which)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1063 assert(which >= 0 && which < con_value_count, "");
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1064 int con = con_values[which];
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
1065 objArrayHandle box(THREAD, (objArrayOop) JNIHandles::resolve(box_jh));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
1066 if (box.not_null() && box->klass() == Universe::objectArrayKlassObj() && box->length() > 0) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1067 const char* str = &con_names[0];
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1068 for (int i = 0; i < which; i++)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1069 str += strlen(str) + 1; // skip name and null
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
1070 oop name = java_lang_String::create_oop_from_str(str, CHECK_0); // possible safepoint
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1071 box->obj_at_put(0, name);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1072 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1073 return con;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1074 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1075 #endif
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1076 return 0;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1077 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1078 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1079
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1080 // void init(MemberName self, AccessibleObject ref)
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1081 JVM_ENTRY(void, MHN_init_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jobject target_jh)) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3389
diff changeset
1082 if (mname_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "mname is null"); }
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3389
diff changeset
1083 if (target_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "target is null"); }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1084 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
1085 Handle target(THREAD, JNIHandles::resolve_non_null(target_jh));
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
1086 MethodHandles::init_MemberName(mname, target);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1087 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1088 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1089
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1090 // void expand(MemberName self)
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1091 JVM_ENTRY(void, MHN_expand_Mem(JNIEnv *env, jobject igcls, jobject mname_jh)) {
3740
5ac411b3b8fc 7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents: 3389
diff changeset
1092 if (mname_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "mname is null"); }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1093 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1094 MethodHandles::expand_MemberName(mname, 0, CHECK);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1095 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1096 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1097
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1098 // void resolve(MemberName self, Class<?> caller)
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1099 JVM_ENTRY(jobject, MHN_resolve_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jclass caller_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1100 if (mname_jh == NULL) { THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "mname is null"); }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1101 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1102
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1103 // The trusted Java code that calls this method should already have performed
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1104 // access checks on behalf of the given caller. But, we can verify this.
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1105 if (VerifyMethodHandles && caller_jh != NULL &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1106 java_lang_invoke_MemberName::clazz(mname()) != NULL) {
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1107 Klass* reference_klass = java_lang_Class::as_Klass(java_lang_invoke_MemberName::clazz(mname()));
11081
c1bd7b5bdc70 8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents: 10345
diff changeset
1108 if (reference_klass != NULL && reference_klass->oop_is_objArray()) {
c1bd7b5bdc70 8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents: 10345
diff changeset
1109 reference_klass = ObjArrayKlass::cast(reference_klass)->bottom_klass();
c1bd7b5bdc70 8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents: 10345
diff changeset
1110 }
c1bd7b5bdc70 8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents: 10345
diff changeset
1111
c1bd7b5bdc70 8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents: 10345
diff changeset
1112 // Reflection::verify_class_access can only handle instance classes.
c1bd7b5bdc70 8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents: 10345
diff changeset
1113 if (reference_klass != NULL && reference_klass->oop_is_instance()) {
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1114 // Emulate LinkResolver::check_klass_accessability.
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1115 Klass* caller = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(caller_jh));
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1116 if (!Reflection::verify_class_access(caller,
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1117 reference_klass,
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1118 true)) {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1119 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), reference_klass->external_name());
1507
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1120 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1121 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1122 }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation
jrose
parents: 1299
diff changeset
1123
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1124 Handle resolved = MethodHandles::resolve_MemberName(mname, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1125 if (resolved.is_null()) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1126 int flags = java_lang_invoke_MemberName::flags(mname());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1127 int ref_kind = (flags >> REFERENCE_KIND_SHIFT) & REFERENCE_KIND_MASK;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1128 if (!MethodHandles::ref_kind_is_valid(ref_kind)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1129 THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "obsolete MemberName format");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1130 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1131 if ((flags & ALL_KINDS) == IS_FIELD) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1132 THROW_MSG_NULL(vmSymbols::java_lang_NoSuchMethodError(), "field resolution failed");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1133 } else if ((flags & ALL_KINDS) == IS_METHOD ||
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1134 (flags & ALL_KINDS) == IS_CONSTRUCTOR) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1135 THROW_MSG_NULL(vmSymbols::java_lang_NoSuchFieldError(), "method resolution failed");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1136 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1137 THROW_MSG_NULL(vmSymbols::java_lang_LinkageError(), "resolution failed");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1138 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1139 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1140
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1141 return JNIHandles::make_local(THREAD, resolved());
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1142 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1143 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1144
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1145 static jlong find_member_field_offset(oop mname, bool must_be_static, TRAPS) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1146 if (mname == NULL ||
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1147 java_lang_invoke_MemberName::vmtarget(mname) == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1148 THROW_MSG_0(vmSymbols::java_lang_InternalError(), "mname not resolved");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1149 } else {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1150 int flags = java_lang_invoke_MemberName::flags(mname);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1151 if ((flags & IS_FIELD) != 0 &&
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1152 (must_be_static
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1153 ? (flags & JVM_ACC_STATIC) != 0
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1154 : (flags & JVM_ACC_STATIC) == 0)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1155 int vmindex = java_lang_invoke_MemberName::vmindex(mname);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1156 return (jlong) vmindex;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1157 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1158 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1159 const char* msg = (must_be_static ? "static field required" : "non-static field required");
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1160 THROW_MSG_0(vmSymbols::java_lang_InternalError(), msg);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1161 return 0;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1162 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1163
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1164 JVM_ENTRY(jlong, MHN_objectFieldOffset(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1165 return find_member_field_offset(JNIHandles::resolve(mname_jh), false, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1166 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1167 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1168
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1169 JVM_ENTRY(jlong, MHN_staticFieldOffset(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1170 return find_member_field_offset(JNIHandles::resolve(mname_jh), true, THREAD);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1171 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1172 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1173
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1174 JVM_ENTRY(jobject, MHN_staticFieldBase(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1175 // use the other function to perform sanity checks:
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1176 jlong ignore = find_member_field_offset(JNIHandles::resolve(mname_jh), true, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1177 oop clazz = java_lang_invoke_MemberName::clazz(JNIHandles::resolve_non_null(mname_jh));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1178 return JNIHandles::make_local(THREAD, clazz);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1179 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1180 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1181
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1182 JVM_ENTRY(jobject, MHN_getMemberVMInfo(JNIEnv *env, jobject igcls, jobject mname_jh)) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1183 if (mname_jh == NULL) return NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1184 Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh));
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1185 intptr_t vmindex = java_lang_invoke_MemberName::vmindex(mname());
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1186 Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(mname());
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1187 objArrayHandle result = oopFactory::new_objArray(SystemDictionary::Object_klass(), 2, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1188 jvalue vmindex_value; vmindex_value.j = (long)vmindex;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1189 oop x = java_lang_boxing_object::create(T_LONG, &vmindex_value, CHECK_NULL);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1190 result->obj_at_put(0, x);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1191 x = NULL;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1192 if (vmtarget == NULL) {
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1193 x = NULL;
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1194 } else if (vmtarget->is_klass()) {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
parents: 6940
diff changeset
1195 x = ((Klass*) vmtarget)->java_mirror();
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1196 } else if (vmtarget->is_method()) {
12974
d95eca175eff 8023004: JSR 292: java.lang.RuntimeException: Original target method was called.
sspitsyn
parents: 12823
diff changeset
1197 x = mname();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1198 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1199 result->obj_at_put(1, x);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1200 return JNIHandles::make_local(env, result());
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1201 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1202 JVM_END
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1203
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1204
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1205
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1206 // static native int getMembers(Class<?> defc, String matchName, String matchSig,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1207 // int matchFlags, Class<?> caller, int skip, MemberName[] results);
2357
8033953d67ff 7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents: 2356
diff changeset
1208 JVM_ENTRY(jint, MHN_getMembers(JNIEnv *env, jobject igcls,
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1209 jclass clazz_jh, jstring name_jh, jstring sig_jh,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1210 int mflags, jclass caller_jh, jint skip, jobjectArray results_jh)) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1211 if (clazz_jh == NULL || results_jh == NULL) return -1;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1212 KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz_jh)));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1213
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
1214 objArrayHandle results(THREAD, (objArrayOop) JNIHandles::resolve(results_jh));
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
1215 if (results.is_null() || !results->is_objArray()) return -1;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1216
2177
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2116
diff changeset
1217 TempNewSymbol name = NULL;
3582bf76420e 6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents: 2116
diff changeset
1218 TempNewSymbol sig = NULL;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1219 if (name_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1220 name = java_lang_String::as_symbol_or_null(JNIHandles::resolve_non_null(name_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1221 if (name == NULL) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1222 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1223 if (sig_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1224 sig = java_lang_String::as_symbol_or_null(JNIHandles::resolve_non_null(sig_jh));
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1225 if (sig == NULL) return 0; // a match is not possible
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1226 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1227
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
1228 KlassHandle caller;
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1229 if (caller_jh != NULL) {
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1230 oop caller_oop = JNIHandles::resolve_non_null(caller_jh);
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1231 if (!java_lang_Class::is_instance(caller_oop)) return -1;
6725
da91efe96a93 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 6271
diff changeset
1232 caller = KlassHandle(THREAD, java_lang_Class::as_Klass(caller_oop));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1233 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1234
3274
2a23b1b5a0a8 7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents: 2478
diff changeset
1235 if (name != NULL && sig != NULL && results.not_null()) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1236 // try a direct resolve
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1237 // %%% TO DO
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1238 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1239
10133
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
1240 int res = MethodHandles::find_MemberNames(k, name, sig, mflags,
6337ca4dcad8 8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents: 10128
diff changeset
1241 caller, skip, results);
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1242 // TO DO: expand at least some of the MemberNames, to avoid massive callbacks
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1243 return res;
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1244 }
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1245 JVM_END
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1246
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1247 JVM_ENTRY(void, MHN_setCallSiteTargetNormal(JNIEnv* env, jobject igcls, jobject call_site_jh, jobject target_jh)) {
4043
12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents: 3938
diff changeset
1248 Handle call_site(THREAD, JNIHandles::resolve_non_null(call_site_jh));
12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents: 3938
diff changeset
1249 Handle target (THREAD, JNIHandles::resolve(target_jh));
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1250 {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1251 // Walk all nmethods depending on this call site.
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1252 MutexLocker mu(Compile_lock, thread);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1253 Universe::flush_dependents_on(call_site, target);
7418
5c0931d15474 8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java
twisti
parents: 6983
diff changeset
1254 java_lang_invoke_CallSite::set_target(call_site(), target());
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1255 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1256 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1257 JVM_END
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1258
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1259 JVM_ENTRY(void, MHN_setCallSiteTargetVolatile(JNIEnv* env, jobject igcls, jobject call_site_jh, jobject target_jh)) {
4043
12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents: 3938
diff changeset
1260 Handle call_site(THREAD, JNIHandles::resolve_non_null(call_site_jh));
12d38ffcba2a 7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents: 3938
diff changeset
1261 Handle target (THREAD, JNIHandles::resolve(target_jh));
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1262 {
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1263 // Walk all nmethods depending on this call site.
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1264 MutexLocker mu(Compile_lock, thread);
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1265 Universe::flush_dependents_on(call_site, target);
7418
5c0931d15474 8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java
twisti
parents: 6983
diff changeset
1266 java_lang_invoke_CallSite::set_target_volatile(call_site(), target());
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1267 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1268 }
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1269 JVM_END
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1270
10276
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1271 /**
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1272 * Throws a java/lang/UnsupportedOperationException unconditionally.
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1273 * This is required by the specification of MethodHandle.invoke if
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1274 * invoked directly.
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1275 */
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1276 JVM_ENTRY(jobject, MH_invoke_UOE(JNIEnv* env, jobject mh, jobjectArray args)) {
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1277 THROW_MSG_NULL(vmSymbols::java_lang_UnsupportedOperationException(), "MethodHandle.invoke cannot be invoked reflectively");
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1278 return NULL;
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1279 }
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1280 JVM_END
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1281
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1282 /**
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1283 * Throws a java/lang/UnsupportedOperationException unconditionally.
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1284 * This is required by the specification of MethodHandle.invokeExact if
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1285 * invoked directly.
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1286 */
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1287 JVM_ENTRY(jobject, MH_invokeExact_UOE(JNIEnv* env, jobject mh, jobjectArray args)) {
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1288 THROW_MSG_NULL(vmSymbols::java_lang_UnsupportedOperationException(), "MethodHandle.invokeExact cannot be invoked reflectively");
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1289 return NULL;
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1290 }
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1291 JVM_END
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1292
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1293 /// JVM_RegisterMethodHandleMethods
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1294
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1295 #undef CS // Solaris builds complain
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1296
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1297 #define LANG "Ljava/lang/"
2460
ed69575596ac 6981791: remove experimental code for JSR 292
jrose
parents: 2416
diff changeset
1298 #define JLINV "Ljava/lang/invoke/"
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1299
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1300 #define OBJ LANG"Object;"
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1301 #define CLS LANG"Class;"
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1302 #define STRG LANG"String;"
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1303 #define CS JLINV"CallSite;"
2460
ed69575596ac 6981791: remove experimental code for JSR 292
jrose
parents: 2416
diff changeset
1304 #define MT JLINV"MethodType;"
ed69575596ac 6981791: remove experimental code for JSR 292
jrose
parents: 2416
diff changeset
1305 #define MH JLINV"MethodHandle;"
ed69575596ac 6981791: remove experimental code for JSR 292
jrose
parents: 2416
diff changeset
1306 #define MEM JLINV"MemberName;"
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1307
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1308 #define CC (char*) /*cast a literal from (const char*)*/
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1309 #define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f)
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1310
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1311 // These are the native methods on java.lang.invoke.MethodHandleNatives.
10276
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1312 static JNINativeMethod MHN_methods[] = {
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1313 {CC"init", CC"("MEM""OBJ")V", FN_PTR(MHN_init_Mem)},
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1314 {CC"expand", CC"("MEM")V", FN_PTR(MHN_expand_Mem)},
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1315 {CC"resolve", CC"("MEM""CLS")"MEM, FN_PTR(MHN_resolve_Mem)},
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
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diff changeset
1316 {CC"getConstant", CC"(I)I", FN_PTR(MHN_getConstant)},
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1317 // static native int getNamedCon(int which, Object[] name)
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents: 3905
diff changeset
1318 {CC"getNamedCon", CC"(I["OBJ")I", FN_PTR(MHN_getNamedCon)},
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1319 // static native int getMembers(Class<?> defc, String matchName, String matchSig,
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1320 // int matchFlags, Class<?> caller, int skip, MemberName[] results);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1321 {CC"getMembers", CC"("CLS""STRG""STRG"I"CLS"I["MEM")I", FN_PTR(MHN_getMembers)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1322 {CC"objectFieldOffset", CC"("MEM")J", FN_PTR(MHN_objectFieldOffset)},
3932
b0efc7ee3b31 7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
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diff changeset
1323 {CC"setCallSiteTargetNormal", CC"("CS""MH")V", FN_PTR(MHN_setCallSiteTargetNormal)},
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1324 {CC"setCallSiteTargetVolatile", CC"("CS""MH")V", FN_PTR(MHN_setCallSiteTargetVolatile)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1325 {CC"staticFieldOffset", CC"("MEM")J", FN_PTR(MHN_staticFieldOffset)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1326 {CC"staticFieldBase", CC"("MEM")"OBJ, FN_PTR(MHN_staticFieldBase)},
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents: 6224
diff changeset
1327 {CC"getMemberVMInfo", CC"("MEM")"OBJ, FN_PTR(MHN_getMemberVMInfo)}
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1328 };
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1329
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f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1330 static JNINativeMethod MH_methods[] = {
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1331 // UnsupportedOperationException throwers
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1332 {CC"invoke", CC"(["OBJ")"OBJ, FN_PTR(MH_invoke_UOE)},
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents: 10161
diff changeset
1333 {CC"invokeExact", CC"(["OBJ")"OBJ, FN_PTR(MH_invokeExact_UOE)}
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1334 };
710
e5b0439ef4ae 6655638: dynamic languages need method handles
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parents:
diff changeset
1335
10276
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1336 /**
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1337 * Helper method to register native methods.
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1338 */
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1339 static bool register_natives(JNIEnv* env, jclass clazz, const JNINativeMethod* methods, jint nMethods) {
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1340 int status = env->RegisterNatives(clazz, methods, nMethods);
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1341 if (status != JNI_OK || env->ExceptionOccurred()) {
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1342 warning("JSR 292 method handle code is mismatched to this JVM. Disabling support.");
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1343 env->ExceptionClear();
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1344 return false;
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1345 }
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1346 return true;
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1347 }
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1348
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
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diff changeset
1349 /**
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1350 * This one function is exported, used by NativeLookup.
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1351 */
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e5b0439ef4ae 6655638: dynamic languages need method handles
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diff changeset
1352 JVM_ENTRY(void, JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass MHN_class)) {
2416
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
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parents: 2357
diff changeset
1353 if (!EnableInvokeDynamic) {
38fea01eb669 6817525: turn on method handle functionality by default for JSR 292
twisti
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diff changeset
1354 warning("JSR 292 is disabled in this JVM. Use -XX:+UnlockDiagnosticVMOptions -XX:+EnableInvokeDynamic to enable.");
710
e5b0439ef4ae 6655638: dynamic languages need method handles
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parents:
diff changeset
1355 return; // bind nothing
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diff changeset
1356 }
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diff changeset
1357
3932
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diff changeset
1358 assert(!MethodHandles::enabled(), "must not be enabled");
1039
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638)
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diff changeset
1359 bool enable_MH = true;
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diff changeset
1360
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1361 jclass MH_class = NULL;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1362 if (SystemDictionary::MethodHandle_klass() == NULL) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1363 enable_MH = false;
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1364 } else {
6983
070d523b96a7 8001471: Klass::cast() does nothing
hseigel
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diff changeset
1365 oop mirror = SystemDictionary::MethodHandle_klass()->java_mirror();
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1366 MH_class = (jclass) JNIHandles::make_local(env, mirror);
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1367 }
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1368
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1369 if (enable_MH) {
710
e5b0439ef4ae 6655638: dynamic languages need method handles
jrose
parents:
diff changeset
1370 ThreadToNativeFromVM ttnfv(thread);
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff changeset
1371
10276
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1372 if (enable_MH) {
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diff changeset
1373 enable_MH = register_natives(env, MHN_class, MHN_methods, sizeof(MHN_methods)/sizeof(JNINativeMethod));
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1374 }
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1375 if (enable_MH) {
f0bc60565ba8 7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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diff changeset
1376 enable_MH = register_natives(env, MH_class, MH_methods, sizeof(MH_methods)/sizeof(JNINativeMethod));
710
e5b0439ef4ae 6655638: dynamic languages need method handles
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diff changeset
1377 }
e5b0439ef4ae 6655638: dynamic languages need method handles
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diff changeset
1378 }
726
be93aad57795 6655646: dynamic languages need dynamically linked call sites
jrose
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diff changeset
1379
6266
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1380 if (TraceInvokeDynamic) {
1d7922586cf6 7023639: JSR 292 method handle invocation needs a fast path for compiled code
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diff changeset
1381 tty->print_cr("MethodHandle support loaded (using LambdaForms)");
1039
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638)
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diff changeset
1382 }
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638)
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diff changeset
1383
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638)
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diff changeset
1384 if (enable_MH) {
2116
d810e9a3fc33 7010180: JSR 292 InvokeDynamicPrintArgs fails with: assert(_adapter == NULL) failed: init'd to NULL
twisti
parents: 2088
diff changeset
1385 MethodHandles::generate_adapters();
1039
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638)
jrose
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diff changeset
1386 MethodHandles::set_enabled(true);
987e948ebbc8 6815692: method handle code needs some cleanup (post-6655638)
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diff changeset
1387 }
710
e5b0439ef4ae 6655638: dynamic languages need method handles
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parents:
diff changeset
1388 }
e5b0439ef4ae 6655638: dynamic languages need method handles
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parents:
diff changeset
1389 JVM_END