author | mhaupt |
Tue, 14 Apr 2015 18:16:10 +0300 | |
changeset 30224 | c41bbf9a0e32 |
parent 29081 | c61eb4914428 |
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/* |
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* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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* |
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*/ |
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||
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#include "precompiled.hpp" |
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#include "classfile/javaClasses.inline.hpp" |
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#include "classfile/stringTable.hpp" |
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#include "code/codeCache.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "interpreter/interpreter.hpp" |
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#include "interpreter/oopMapCache.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "memory/allocation.inline.hpp" |
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#include "memory/oopFactory.hpp" |
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#include "oops/objArrayOop.inline.hpp" |
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#include "oops/oop.inline.hpp" |
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#include "prims/methodHandles.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/javaCalls.hpp" |
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#include "runtime/reflection.hpp" |
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#include "runtime/signature.hpp" |
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#include "runtime/stubRoutines.hpp" |
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#include "utilities/exceptions.hpp" |
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/* |
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* JSR 292 reference implementation: method handles |
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* The JDK 7 reference implementation represented method handle |
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* combinations as chains. Each link in the chain had a "vmentry" |
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* field which pointed at a bit of assembly code which performed |
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* one transformation before dispatching to the next link in the chain. |
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* |
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* The current reference implementation pushes almost all code generation |
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* responsibility to (trusted) Java code. A method handle contains a |
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* pointer to its "LambdaForm", which embodies all details of the method |
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* handle's behavior. The LambdaForm is a normal Java object, managed |
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* by a runtime coded in Java. |
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*/ |
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bool MethodHandles::_enabled = false; // set true after successful native linkage |
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MethodHandlesAdapterBlob* MethodHandles::_adapter_code = NULL; |
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/** |
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* Generates method handle adapters. Returns 'false' if memory allocation |
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* failed and true otherwise. |
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*/ |
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bool MethodHandles::generate_adapters() { |
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if (SystemDictionary::MethodHandle_klass() == NULL) { |
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return true; |
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} |
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assert(_adapter_code == NULL, "generate only once"); |
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|
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ResourceMark rm; |
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TraceTime timer("MethodHandles adapters generation", TraceStartupTime); |
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_adapter_code = MethodHandlesAdapterBlob::create(adapter_code_size); |
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if (_adapter_code == NULL) { |
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return false; |
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} |
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CodeBuffer code(_adapter_code); |
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MethodHandlesAdapterGenerator g(&code); |
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g.generate(); |
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code.log_section_sizes("MethodHandlesAdapterBlob"); |
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return true; |
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} |
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//------------------------------------------------------------------------------ |
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// MethodHandlesAdapterGenerator::generate |
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// |
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void MethodHandlesAdapterGenerator::generate() { |
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// Generate generic method handle adapters. |
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// Generate interpreter entries |
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for (Interpreter::MethodKind mk = Interpreter::method_handle_invoke_FIRST; |
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mk <= Interpreter::method_handle_invoke_LAST; |
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mk = Interpreter::MethodKind(1 + (int)mk)) { |
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vmIntrinsics::ID iid = Interpreter::method_handle_intrinsic(mk); |
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StubCodeMark mark(this, "MethodHandle::interpreter_entry", vmIntrinsics::name_at(iid)); |
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address entry = MethodHandles::generate_method_handle_interpreter_entry(_masm, iid); |
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if (entry != NULL) { |
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Interpreter::set_entry_for_kind(mk, entry); |
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} |
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// If the entry is not set, it will throw AbstractMethodError. |
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} |
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} |
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void MethodHandles::set_enabled(bool z) { |
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if (_enabled != z) { |
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guarantee(z, "can only enable once"); |
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_enabled = z; |
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} |
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} |
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// MemberName support |
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// import java_lang_invoke_MemberName.* |
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enum { |
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IS_METHOD = java_lang_invoke_MemberName::MN_IS_METHOD, |
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IS_CONSTRUCTOR = java_lang_invoke_MemberName::MN_IS_CONSTRUCTOR, |
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IS_FIELD = java_lang_invoke_MemberName::MN_IS_FIELD, |
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IS_TYPE = java_lang_invoke_MemberName::MN_IS_TYPE, |
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CALLER_SENSITIVE = java_lang_invoke_MemberName::MN_CALLER_SENSITIVE, |
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REFERENCE_KIND_SHIFT = java_lang_invoke_MemberName::MN_REFERENCE_KIND_SHIFT, |
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REFERENCE_KIND_MASK = java_lang_invoke_MemberName::MN_REFERENCE_KIND_MASK, |
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SEARCH_SUPERCLASSES = java_lang_invoke_MemberName::MN_SEARCH_SUPERCLASSES, |
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SEARCH_INTERFACES = java_lang_invoke_MemberName::MN_SEARCH_INTERFACES, |
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ALL_KINDS = IS_METHOD | IS_CONSTRUCTOR | IS_FIELD | IS_TYPE |
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}; |
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Handle MethodHandles::new_MemberName(TRAPS) { |
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Handle empty; |
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instanceKlassHandle k(THREAD, SystemDictionary::MemberName_klass()); |
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if (!k->is_initialized()) k->initialize(CHECK_(empty)); |
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return Handle(THREAD, k->allocate_instance(THREAD)); |
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} |
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oop MethodHandles::init_MemberName(Handle mname, Handle target) { |
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// This method is used from java.lang.invoke.MemberName constructors. |
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// It fills in the new MemberName from a java.lang.reflect.Member. |
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Thread* thread = Thread::current(); |
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oop target_oop = target(); |
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Klass* target_klass = target_oop->klass(); |
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if (target_klass == SystemDictionary::reflect_Field_klass()) { |
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oop clazz = java_lang_reflect_Field::clazz(target_oop); // fd.field_holder() |
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int slot = java_lang_reflect_Field::slot(target_oop); // fd.index() |
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KlassHandle k(thread, java_lang_Class::as_Klass(clazz)); |
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if (!k.is_null() && k->oop_is_instance()) { |
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fieldDescriptor fd(InstanceKlass::cast(k()), slot); |
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150 |
oop mname2 = init_field_MemberName(mname, fd); |
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151 |
if (mname2 != NULL) { |
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152 |
// Since we have the reified name and type handy, add them to the result. |
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153 |
if (java_lang_invoke_MemberName::name(mname2) == NULL) |
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154 |
java_lang_invoke_MemberName::set_name(mname2, java_lang_reflect_Field::name(target_oop)); |
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155 |
if (java_lang_invoke_MemberName::type(mname2) == NULL) |
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|
156 |
java_lang_invoke_MemberName::set_type(mname2, java_lang_reflect_Field::type(target_oop)); |
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157 |
} |
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158 |
return mname2; |
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|
159 |
} |
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160 |
} else if (target_klass == SystemDictionary::reflect_Method_klass()) { |
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161 |
oop clazz = java_lang_reflect_Method::clazz(target_oop); |
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162 |
int slot = java_lang_reflect_Method::slot(target_oop); |
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163 |
KlassHandle k(thread, java_lang_Class::as_Klass(clazz)); |
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164 |
if (!k.is_null() && k->oop_is_instance()) { |
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165 |
Method* m = InstanceKlass::cast(k())->method_with_idnum(slot); |
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|
166 |
if (m == NULL || is_signature_polymorphic(m->intrinsic_id())) |
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|
167 |
return NULL; // do not resolve unless there is a concrete signature |
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|
168 |
CallInfo info(m, k()); |
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169 |
return init_method_MemberName(mname, info); |
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170 |
} |
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171 |
} else if (target_klass == SystemDictionary::reflect_Constructor_klass()) { |
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172 |
oop clazz = java_lang_reflect_Constructor::clazz(target_oop); |
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173 |
int slot = java_lang_reflect_Constructor::slot(target_oop); |
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174 |
KlassHandle k(thread, java_lang_Class::as_Klass(clazz)); |
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175 |
if (!k.is_null() && k->oop_is_instance()) { |
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176 |
Method* m = InstanceKlass::cast(k())->method_with_idnum(slot); |
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|
177 |
if (m == NULL) return NULL; |
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|
178 |
CallInfo info(m, k()); |
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179 |
return init_method_MemberName(mname, info); |
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180 |
} |
2534 | 181 |
} |
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|
182 |
return NULL; |
2534 | 183 |
} |
184 |
||
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|
185 |
oop MethodHandles::init_method_MemberName(Handle mname, CallInfo& info) { |
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|
186 |
assert(info.resolved_appendix().is_null(), "only normal methods here"); |
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|
187 |
methodHandle m = info.resolved_method(); |
22250 | 188 |
KlassHandle m_klass = m->method_holder(); |
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|
189 |
int flags = (jushort)( m->access_flags().as_short() & JVM_RECOGNIZED_METHOD_MODIFIERS ); |
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|
190 |
int vmindex = Method::invalid_vtable_index; |
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|
191 |
|
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|
192 |
switch (info.call_kind()) { |
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|
193 |
case CallInfo::itable_call: |
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|
194 |
vmindex = info.itable_index(); |
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|
195 |
// More importantly, the itable index only works with the method holder. |
22250 | 196 |
assert(m_klass->verify_itable_index(vmindex), ""); |
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|
197 |
flags |= IS_METHOD | (JVM_REF_invokeInterface << REFERENCE_KIND_SHIFT); |
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|
198 |
if (TraceInvokeDynamic) { |
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changeset
|
199 |
ResourceMark rm; |
22250 | 200 |
tty->print_cr("memberName: invokeinterface method_holder::method: %s, itableindex: %d, access_flags:", |
201 |
Method::name_and_sig_as_C_string(m->method_holder(), m->name(), m->signature()), |
|
202 |
vmindex); |
|
20391
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|
203 |
m->access_flags().print_on(tty); |
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changeset
|
204 |
if (!m->is_abstract()) { |
7b146c5ebb18
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changeset
|
205 |
tty->print("default"); |
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diff
changeset
|
206 |
} |
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changeset
|
207 |
tty->cr(); |
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changeset
|
208 |
} |
20017
81eba62e9048
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changeset
|
209 |
break; |
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changeset
|
210 |
|
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changeset
|
211 |
case CallInfo::vtable_call: |
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|
212 |
vmindex = info.vtable_index(); |
13391
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|
213 |
flags |= IS_METHOD | (JVM_REF_invokeVirtual << REFERENCE_KIND_SHIFT); |
22250 | 214 |
assert(info.resolved_klass()->is_subtype_of(m_klass()), "virtual call must be type-safe"); |
215 |
if (m_klass->is_interface()) { |
|
216 |
// This is a vtable call to an interface method (abstract "miranda method" or default method). |
|
217 |
// The vtable index is meaningless without a class (not interface) receiver type, so get one. |
|
218 |
// (LinkResolver should help us figure this out.) |
|
219 |
KlassHandle m_klass_non_interface = info.resolved_klass(); |
|
220 |
if (m_klass_non_interface->is_interface()) { |
|
221 |
m_klass_non_interface = SystemDictionary::Object_klass(); |
|
222 |
#ifdef ASSERT |
|
223 |
{ ResourceMark rm; |
|
224 |
Method* m2 = m_klass_non_interface->vtable()->method_at(vmindex); |
|
225 |
assert(m->name() == m2->name() && m->signature() == m2->signature(), |
|
226 |
err_msg("at %d, %s != %s", vmindex, |
|
227 |
m->name_and_sig_as_C_string(), m2->name_and_sig_as_C_string())); |
|
228 |
} |
|
229 |
#endif //ASSERT |
|
230 |
} |
|
231 |
if (!m->is_public()) { |
|
232 |
assert(m->is_public(), "virtual call must be to public interface method"); |
|
233 |
return NULL; // elicit an error later in product build |
|
234 |
} |
|
235 |
assert(info.resolved_klass()->is_subtype_of(m_klass_non_interface()), "virtual call must be type-safe"); |
|
236 |
m_klass = m_klass_non_interface; |
|
237 |
} |
|
20391
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diff
changeset
|
238 |
if (TraceInvokeDynamic) { |
7b146c5ebb18
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acorn
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diff
changeset
|
239 |
ResourceMark rm; |
7b146c5ebb18
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diff
changeset
|
240 |
tty->print_cr("memberName: invokevirtual method_holder::method: %s, receiver: %s, vtableindex: %d, access_flags:", |
22250 | 241 |
Method::name_and_sig_as_C_string(m->method_holder(), m->name(), m->signature()), |
242 |
m_klass->internal_name(), vmindex); |
|
20391
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changeset
|
243 |
m->access_flags().print_on(tty); |
7b146c5ebb18
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diff
changeset
|
244 |
if (m->is_default_method()) { |
7b146c5ebb18
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changeset
|
245 |
tty->print("default"); |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
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parents:
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diff
changeset
|
246 |
} |
7b146c5ebb18
8009130: Lambda: Fix access controls, loader constraints.
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diff
changeset
|
247 |
tty->cr(); |
7b146c5ebb18
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diff
changeset
|
248 |
} |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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diff
changeset
|
249 |
break; |
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8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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diff
changeset
|
250 |
|
81eba62e9048
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changeset
|
251 |
case CallInfo::direct_call: |
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changeset
|
252 |
vmindex = Method::nonvirtual_vtable_index; |
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changeset
|
253 |
if (m->is_static()) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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changeset
|
254 |
flags |= IS_METHOD | (JVM_REF_invokeStatic << REFERENCE_KIND_SHIFT); |
81eba62e9048
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changeset
|
255 |
} else if (m->is_initializer()) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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diff
changeset
|
256 |
flags |= IS_CONSTRUCTOR | (JVM_REF_invokeSpecial << REFERENCE_KIND_SHIFT); |
81eba62e9048
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changeset
|
257 |
} else { |
81eba62e9048
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changeset
|
258 |
flags |= IS_METHOD | (JVM_REF_invokeSpecial << REFERENCE_KIND_SHIFT); |
81eba62e9048
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changeset
|
259 |
} |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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changeset
|
260 |
break; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
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diff
changeset
|
261 |
|
81eba62e9048
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changeset
|
262 |
default: assert(false, "bad CallInfo"); return NULL; |
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diff
changeset
|
263 |
} |
30245956af37
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diff
changeset
|
264 |
|
16617
6235d2c7549f
7198429: need checked categorization of caller-sensitive methods in the JDK
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14825
diff
changeset
|
265 |
// @CallerSensitive annotation detected |
6235d2c7549f
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14825
diff
changeset
|
266 |
if (m->caller_sensitive()) { |
6235d2c7549f
7198429: need checked categorization of caller-sensitive methods in the JDK
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diff
changeset
|
267 |
flags |= CALLER_SENSITIVE; |
6235d2c7549f
7198429: need checked categorization of caller-sensitive methods in the JDK
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diff
changeset
|
268 |
} |
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14825
diff
changeset
|
269 |
|
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
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diff
changeset
|
270 |
oop mname_oop = mname(); |
16617
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diff
changeset
|
271 |
java_lang_invoke_MemberName::set_flags( mname_oop, flags); |
20017
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|
272 |
java_lang_invoke_MemberName::set_vmtarget(mname_oop, m()); |
16617
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|
273 |
java_lang_invoke_MemberName::set_vmindex( mname_oop, vmindex); // vtable/itable index |
22250 | 274 |
java_lang_invoke_MemberName::set_clazz( mname_oop, m_klass->java_mirror()); |
13391
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|
275 |
// Note: name and type can be lazily computed by resolve_MemberName, |
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|
276 |
// if Java code needs them as resolved String and MethodType objects. |
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changeset
|
277 |
// The clazz must be eagerly stored, because it provides a GC |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13396
diff
changeset
|
278 |
// root to help keep alive the Method*. |
13391
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changeset
|
279 |
// If relevant, the vtable or itable value is stored as vmindex. |
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|
280 |
// This is done eagerly, since it is readily available without |
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|
281 |
// constructing any new objects. |
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changeset
|
282 |
// TO DO: maybe intern mname_oop |
27674
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
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diff
changeset
|
283 |
if (m->method_holder()->add_member_name(mname)) { |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
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diff
changeset
|
284 |
return mname(); |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
285 |
} else { |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
286 |
// Redefinition caused this to fail. Return NULL (and an exception?) |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
287 |
return NULL; |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
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parents:
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diff
changeset
|
288 |
} |
13391
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diff
changeset
|
289 |
} |
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|
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oop MethodHandles::init_field_MemberName(Handle mname, fieldDescriptor& fd, bool is_setter) { |
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int flags = (jushort)( fd.access_flags().as_short() & JVM_RECOGNIZED_FIELD_MODIFIERS ); |
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flags |= IS_FIELD | ((fd.is_static() ? JVM_REF_getStatic : JVM_REF_getField) << REFERENCE_KIND_SHIFT); |
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if (is_setter) flags += ((JVM_REF_putField - JVM_REF_getField) << REFERENCE_KIND_SHIFT); |
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295 |
Metadata* vmtarget = fd.field_holder(); |
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int vmindex = fd.offset(); // determines the field uniquely when combined with static bit |
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oop mname_oop = mname(); |
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java_lang_invoke_MemberName::set_flags(mname_oop, flags); |
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java_lang_invoke_MemberName::set_vmtarget(mname_oop, vmtarget); |
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java_lang_invoke_MemberName::set_vmindex(mname_oop, vmindex); |
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301 |
java_lang_invoke_MemberName::set_clazz(mname_oop, fd.field_holder()->java_mirror()); |
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302 |
oop type = field_signature_type_or_null(fd.signature()); |
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303 |
oop name = field_name_or_null(fd.name()); |
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if (name != NULL) |
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305 |
java_lang_invoke_MemberName::set_name(mname_oop, name); |
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if (type != NULL) |
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307 |
java_lang_invoke_MemberName::set_type(mname_oop, type); |
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308 |
// Note: name and type can be lazily computed by resolve_MemberName, |
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309 |
// if Java code needs them as resolved String and Class objects. |
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310 |
// Note that the incoming type oop might be pre-resolved (non-null). |
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311 |
// The base clazz and field offset (vmindex) must be eagerly stored, |
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312 |
// because they unambiguously identify the field. |
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313 |
// Although the fieldDescriptor::_index would also identify the field, |
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314 |
// we do not use it, because it is harder to decode. |
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315 |
// TO DO: maybe intern mname_oop |
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316 |
return mname(); |
2534 | 317 |
} |
318 |
||
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|
319 |
// JVM 2.9 Special Methods: |
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|
320 |
// A method is signature polymorphic if and only if all of the following conditions hold : |
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321 |
// * It is declared in the java.lang.invoke.MethodHandle class. |
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322 |
// * It has a single formal parameter of type Object[]. |
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|
323 |
// * It has a return type of Object. |
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|
324 |
// * It has the ACC_VARARGS and ACC_NATIVE flags set. |
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325 |
bool MethodHandles::is_method_handle_invoke_name(Klass* klass, Symbol* name) { |
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|
326 |
if (klass == NULL) |
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|
327 |
return false; |
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|
328 |
// The following test will fail spuriously during bootstrap of MethodHandle itself: |
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|
329 |
// if (klass != SystemDictionary::MethodHandle_klass()) |
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|
330 |
// Test the name instead: |
14488 | 331 |
if (klass->name() != vmSymbols::java_lang_invoke_MethodHandle()) |
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|
332 |
return false; |
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|
333 |
Symbol* poly_sig = vmSymbols::object_array_object_signature(); |
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|
334 |
Method* m = InstanceKlass::cast(klass)->find_method(name, poly_sig); |
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|
335 |
if (m == NULL) return false; |
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|
336 |
int required = JVM_ACC_NATIVE | JVM_ACC_VARARGS; |
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|
337 |
int flags = m->access_flags().as_int(); |
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|
338 |
return (flags & required) == required; |
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|
339 |
} |
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|
340 |
|
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|
341 |
|
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|
342 |
Symbol* MethodHandles::signature_polymorphic_intrinsic_name(vmIntrinsics::ID iid) { |
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|
343 |
assert(is_signature_polymorphic_intrinsic(iid), err_msg("iid=%d", iid)); |
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|
344 |
switch (iid) { |
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|
345 |
case vmIntrinsics::_invokeBasic: return vmSymbols::invokeBasic_name(); |
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|
346 |
case vmIntrinsics::_linkToVirtual: return vmSymbols::linkToVirtual_name(); |
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|
347 |
case vmIntrinsics::_linkToStatic: return vmSymbols::linkToStatic_name(); |
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|
348 |
case vmIntrinsics::_linkToSpecial: return vmSymbols::linkToSpecial_name(); |
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|
349 |
case vmIntrinsics::_linkToInterface: return vmSymbols::linkToInterface_name(); |
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|
350 |
} |
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|
351 |
assert(false, ""); |
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|
352 |
return 0; |
2534 | 353 |
} |
354 |
||
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|
355 |
int MethodHandles::signature_polymorphic_intrinsic_ref_kind(vmIntrinsics::ID iid) { |
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|
356 |
switch (iid) { |
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|
357 |
case vmIntrinsics::_invokeBasic: return 0; |
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|
358 |
case vmIntrinsics::_linkToVirtual: return JVM_REF_invokeVirtual; |
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|
359 |
case vmIntrinsics::_linkToStatic: return JVM_REF_invokeStatic; |
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|
360 |
case vmIntrinsics::_linkToSpecial: return JVM_REF_invokeSpecial; |
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|
361 |
case vmIntrinsics::_linkToInterface: return JVM_REF_invokeInterface; |
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|
362 |
} |
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|
363 |
assert(false, err_msg("iid=%d", iid)); |
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|
364 |
return 0; |
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|
365 |
} |
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|
366 |
|
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|
367 |
vmIntrinsics::ID MethodHandles::signature_polymorphic_name_id(Symbol* name) { |
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|
368 |
vmSymbols::SID name_id = vmSymbols::find_sid(name); |
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|
369 |
switch (name_id) { |
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|
370 |
// The ID _invokeGeneric stands for all non-static signature-polymorphic methods, except built-ins. |
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|
371 |
case vmSymbols::VM_SYMBOL_ENUM_NAME(invoke_name): return vmIntrinsics::_invokeGeneric; |
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|
372 |
// The only built-in non-static signature-polymorphic method is MethodHandle.invokeBasic: |
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|
373 |
case vmSymbols::VM_SYMBOL_ENUM_NAME(invokeBasic_name): return vmIntrinsics::_invokeBasic; |
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|
374 |
|
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|
375 |
// There is one static signature-polymorphic method for each JVM invocation mode. |
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|
376 |
case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToVirtual_name): return vmIntrinsics::_linkToVirtual; |
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|
377 |
case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToStatic_name): return vmIntrinsics::_linkToStatic; |
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|
378 |
case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToSpecial_name): return vmIntrinsics::_linkToSpecial; |
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|
379 |
case vmSymbols::VM_SYMBOL_ENUM_NAME(linkToInterface_name): return vmIntrinsics::_linkToInterface; |
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|
380 |
} |
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|
381 |
|
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|
382 |
// Cover the case of invokeExact and any future variants of invokeFoo. |
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|
383 |
Klass* mh_klass = SystemDictionary::well_known_klass( |
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|
384 |
SystemDictionary::WK_KLASS_ENUM_NAME(MethodHandle_klass) ); |
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|
385 |
if (mh_klass != NULL && is_method_handle_invoke_name(mh_klass, name)) |
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|
386 |
return vmIntrinsics::_invokeGeneric; |
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|
387 |
|
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|
388 |
// Note: The pseudo-intrinsic _compiledLambdaForm is never linked against. |
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|
389 |
// Instead it is used to mark lambda forms bound to invokehandle or invokedynamic. |
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|
390 |
return vmIntrinsics::_none; |
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|
391 |
} |
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|
392 |
|
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|
393 |
vmIntrinsics::ID MethodHandles::signature_polymorphic_name_id(Klass* klass, Symbol* name) { |
13391
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|
394 |
if (klass != NULL && |
14488 | 395 |
klass->name() == vmSymbols::java_lang_invoke_MethodHandle()) { |
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|
396 |
vmIntrinsics::ID iid = signature_polymorphic_name_id(name); |
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|
397 |
if (iid != vmIntrinsics::_none) |
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|
398 |
return iid; |
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|
399 |
if (is_method_handle_invoke_name(klass, name)) |
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|
400 |
return vmIntrinsics::_invokeGeneric; |
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|
401 |
} |
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|
402 |
return vmIntrinsics::_none; |
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|
403 |
} |
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|
404 |
|
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|
405 |
|
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|
406 |
// convert the external string or reflective type to an internal signature |
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|
407 |
Symbol* MethodHandles::lookup_signature(oop type_str, bool intern_if_not_found, TRAPS) { |
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|
408 |
if (java_lang_invoke_MethodType::is_instance(type_str)) { |
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8ecc0871c18e
8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents:
27420
diff
changeset
|
409 |
return java_lang_invoke_MethodType::as_signature(type_str, intern_if_not_found, THREAD); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
410 |
} else if (java_lang_Class::is_instance(type_str)) { |
27680
8ecc0871c18e
8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents:
27420
diff
changeset
|
411 |
return java_lang_Class::as_signature(type_str, false, THREAD); |
29081
c61eb4914428
8072911: Remove includes of oop.inline.hpp from .hpp files
stefank
parents:
28374
diff
changeset
|
412 |
} else if (java_lang_String::is_instance_inlined(type_str)) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
413 |
if (intern_if_not_found) { |
27680
8ecc0871c18e
8064811: Use THREAD instead of CHECK_NULL in return statements
stefank
parents:
27420
diff
changeset
|
414 |
return java_lang_String::as_symbol(type_str, THREAD); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
415 |
} else { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
416 |
return java_lang_String::as_symbol_or_null(type_str); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
417 |
} |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
418 |
} else { |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
419 |
THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized type", NULL); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
420 |
} |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
421 |
} |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
422 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
423 |
static const char OBJ_SIG[] = "Ljava/lang/Object;"; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
424 |
enum { OBJ_SIG_LEN = 18 }; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
425 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
426 |
bool MethodHandles::is_basic_type_signature(Symbol* sig) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
427 |
assert(vmSymbols::object_signature()->utf8_length() == (int)OBJ_SIG_LEN, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
428 |
assert(vmSymbols::object_signature()->equals(OBJ_SIG), ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
429 |
const int len = sig->utf8_length(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
430 |
for (int i = 0; i < len; i++) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
431 |
switch (sig->byte_at(i)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
432 |
case 'L': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
433 |
// only java/lang/Object is valid here |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
434 |
if (sig->index_of_at(i, OBJ_SIG, OBJ_SIG_LEN) != i) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
435 |
return false; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
436 |
i += OBJ_SIG_LEN-1; //-1 because of i++ in loop |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
437 |
continue; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
438 |
case '(': case ')': case 'V': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
439 |
case 'I': case 'J': case 'F': case 'D': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
440 |
continue; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
441 |
//case '[': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
442 |
//case 'Z': case 'B': case 'C': case 'S': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
443 |
default: |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
444 |
return false; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
445 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
446 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
447 |
return true; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
448 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
449 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
450 |
Symbol* MethodHandles::lookup_basic_type_signature(Symbol* sig, bool keep_last_arg, TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
451 |
Symbol* bsig = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
452 |
if (sig == NULL) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
453 |
return sig; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
454 |
} else if (is_basic_type_signature(sig)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
455 |
sig->increment_refcount(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
456 |
return sig; // that was easy |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
457 |
} else if (sig->byte_at(0) != '(') { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
458 |
BasicType bt = char2type(sig->byte_at(0)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
459 |
if (is_subword_type(bt)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
460 |
bsig = vmSymbols::int_signature(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
461 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
462 |
assert(bt == T_OBJECT || bt == T_ARRAY, "is_basic_type_signature was false"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
463 |
bsig = vmSymbols::object_signature(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
464 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
465 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
466 |
ResourceMark rm; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
467 |
stringStream buffer(128); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
468 |
buffer.put('('); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
469 |
int arg_pos = 0, keep_arg_pos = -1; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
470 |
if (keep_last_arg) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
471 |
keep_arg_pos = ArgumentCount(sig).size() - 1; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
472 |
for (SignatureStream ss(sig); !ss.is_done(); ss.next()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
473 |
BasicType bt = ss.type(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
474 |
size_t this_arg_pos = buffer.size(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
475 |
if (ss.at_return_type()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
476 |
buffer.put(')'); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
477 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
478 |
if (arg_pos == keep_arg_pos) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
479 |
buffer.write((char*) ss.raw_bytes(), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
480 |
(int) ss.raw_length()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
481 |
} else if (bt == T_OBJECT || bt == T_ARRAY) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
482 |
buffer.write(OBJ_SIG, OBJ_SIG_LEN); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
483 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
484 |
if (is_subword_type(bt)) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
485 |
bt = T_INT; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
486 |
buffer.put(type2char(bt)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
487 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
488 |
arg_pos++; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
489 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
490 |
const char* sigstr = buffer.base(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
491 |
int siglen = (int) buffer.size(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
492 |
bsig = SymbolTable::new_symbol(sigstr, siglen, THREAD); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
493 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
494 |
assert(is_basic_type_signature(bsig) || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
495 |
// detune assert in case the injected argument is not a basic type: |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
496 |
keep_last_arg, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
497 |
return bsig; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
498 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
499 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
500 |
void MethodHandles::print_as_basic_type_signature_on(outputStream* st, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
501 |
Symbol* sig, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
502 |
bool keep_arrays, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
503 |
bool keep_basic_names) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
504 |
st = st ? st : tty; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
505 |
int len = sig->utf8_length(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
506 |
int array = 0; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
507 |
bool prev_type = false; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
508 |
for (int i = 0; i < len; i++) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
509 |
char ch = sig->byte_at(i); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
510 |
switch (ch) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
511 |
case '(': case ')': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
512 |
prev_type = false; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
513 |
st->put(ch); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
514 |
continue; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
515 |
case '[': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
516 |
if (!keep_basic_names && keep_arrays) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
517 |
st->put(ch); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
518 |
array++; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
519 |
continue; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
520 |
case 'L': |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
521 |
{ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
522 |
if (prev_type) st->put(','); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
523 |
int start = i+1, slash = start; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
524 |
while (++i < len && (ch = sig->byte_at(i)) != ';') { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
525 |
if (ch == '/' || ch == '.' || ch == '$') slash = i+1; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
526 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
527 |
if (slash < i) start = slash; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
528 |
if (!keep_basic_names) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
529 |
st->put('L'); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
530 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
531 |
for (int j = start; j < i; j++) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
532 |
st->put(sig->byte_at(j)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
533 |
prev_type = true; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
534 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
535 |
break; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
536 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
537 |
default: |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
538 |
{ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
539 |
if (array && char2type(ch) != T_ILLEGAL && !keep_arrays) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
540 |
ch = '['; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
541 |
array = 0; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
542 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
543 |
if (prev_type) st->put(','); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
544 |
const char* n = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
545 |
if (keep_basic_names) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
546 |
n = type2name(char2type(ch)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
547 |
if (n == NULL) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
548 |
// unknown letter, or we don't want to know its name |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
549 |
st->put(ch); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
550 |
} else { |
24424
2658d7834c6e
8037816: Fix for 8036122 breaks build with Xcode5/clang
drchase
parents:
24322
diff
changeset
|
551 |
st->print("%s", n); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
552 |
prev_type = true; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
553 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
554 |
break; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
555 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
556 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
557 |
// Switch break goes here to take care of array suffix: |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
558 |
if (prev_type) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
559 |
while (array > 0) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
560 |
st->print("[]"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
561 |
--array; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
562 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
563 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
564 |
array = 0; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
565 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
566 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
567 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
568 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
569 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
570 |
static oop object_java_mirror() { |
14488 | 571 |
return SystemDictionary::Object_klass()->java_mirror(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
572 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
573 |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
574 |
oop MethodHandles::field_name_or_null(Symbol* s) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
575 |
if (s == NULL) return NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
576 |
return StringTable::lookup(s); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
577 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
578 |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
579 |
oop MethodHandles::field_signature_type_or_null(Symbol* s) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
580 |
if (s == NULL) return NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
581 |
BasicType bt = FieldType::basic_type(s); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
582 |
if (is_java_primitive(bt)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
583 |
assert(s->utf8_length() == 1, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
584 |
return java_lang_Class::primitive_mirror(bt); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
585 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
586 |
// Here are some more short cuts for common types. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
587 |
// They are optional, since reference types can be resolved lazily. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
588 |
if (bt == T_OBJECT) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
589 |
if (s == vmSymbols::object_signature()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
590 |
return object_java_mirror(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
591 |
} else if (s == vmSymbols::class_signature()) { |
14488 | 592 |
return SystemDictionary::Class_klass()->java_mirror(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
593 |
} else if (s == vmSymbols::string_signature()) { |
14488 | 594 |
return SystemDictionary::String_klass()->java_mirror(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
595 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
596 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
597 |
return NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
598 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
599 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
600 |
|
2534 | 601 |
// An unresolved member name is a mere symbolic reference. |
602 |
// Resolving it plants a vmtarget/vmindex in it, |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
603 |
// which refers directly to JVM internals. |
22250 | 604 |
Handle MethodHandles::resolve_MemberName(Handle mname, KlassHandle caller, TRAPS) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
605 |
Handle empty; |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
606 |
assert(java_lang_invoke_MemberName::is_instance(mname()), ""); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
607 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
608 |
if (java_lang_invoke_MemberName::vmtarget(mname()) != NULL) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
609 |
// Already resolved. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
610 |
DEBUG_ONLY(int vmindex = java_lang_invoke_MemberName::vmindex(mname())); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
611 |
assert(vmindex >= Method::nonvirtual_vtable_index, ""); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
612 |
return mname; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
613 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
614 |
|
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
615 |
Handle defc_oop(THREAD, java_lang_invoke_MemberName::clazz(mname())); |
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
616 |
Handle name_str(THREAD, java_lang_invoke_MemberName::name( mname())); |
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
617 |
Handle type_str(THREAD, java_lang_invoke_MemberName::type( mname())); |
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
618 |
int flags = java_lang_invoke_MemberName::flags(mname()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
619 |
int ref_kind = (flags >> REFERENCE_KIND_SHIFT) & REFERENCE_KIND_MASK; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
620 |
if (!ref_kind_is_valid(ref_kind)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
621 |
THROW_MSG_(vmSymbols::java_lang_InternalError(), "obsolete MemberName format", empty); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
622 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
623 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
624 |
DEBUG_ONLY(int old_vmindex); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
625 |
assert((old_vmindex = java_lang_invoke_MemberName::vmindex(mname())) == 0, "clean input"); |
2534 | 626 |
|
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
627 |
if (defc_oop.is_null() || name_str.is_null() || type_str.is_null()) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
628 |
THROW_MSG_(vmSymbols::java_lang_IllegalArgumentException(), "nothing to resolve", empty); |
2534 | 629 |
} |
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
630 |
|
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
631 |
instanceKlassHandle defc; |
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
632 |
{ |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
633 |
Klass* defc_klass = java_lang_Class::as_Klass(defc_oop()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
634 |
if (defc_klass == NULL) return empty; // a primitive; no resolution possible |
14488 | 635 |
if (!defc_klass->oop_is_instance()) { |
636 |
if (!defc_klass->oop_is_array()) return empty; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
637 |
defc_klass = SystemDictionary::Object_klass(); |
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
638 |
} |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
639 |
defc = instanceKlassHandle(THREAD, defc_klass); |
2534 | 640 |
} |
641 |
if (defc.is_null()) { |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
642 |
THROW_MSG_(vmSymbols::java_lang_InternalError(), "primitive class", empty); |
2534 | 643 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
644 |
defc->link_class(CHECK_(empty)); // possible safepoint |
2534 | 645 |
|
646 |
// convert the external string name to an internal symbol |
|
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
647 |
TempNewSymbol name = java_lang_String::as_symbol_or_null(name_str()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
648 |
if (name == NULL) return empty; // no such name |
10004
190e88f7edd1
7055355: JSR 292: crash while throwing WrongMethodTypeException
never
parents:
9980
diff
changeset
|
649 |
if (name == vmSymbols::class_initializer_name()) |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
650 |
return empty; // illegal name |
2534 | 651 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
652 |
vmIntrinsics::ID mh_invoke_id = vmIntrinsics::_none; |
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
653 |
if ((flags & ALL_KINDS) == IS_METHOD && |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
654 |
(defc() == SystemDictionary::MethodHandle_klass()) && |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
655 |
(ref_kind == JVM_REF_invokeVirtual || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
656 |
ref_kind == JVM_REF_invokeSpecial || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
657 |
// static invocation mode is required for _linkToVirtual, etc.: |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
658 |
ref_kind == JVM_REF_invokeStatic)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
659 |
vmIntrinsics::ID iid = signature_polymorphic_name_id(name); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
660 |
if (iid != vmIntrinsics::_none && |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
661 |
((ref_kind == JVM_REF_invokeStatic) == is_signature_polymorphic_static(iid))) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
662 |
// Virtual methods invoke and invokeExact, plus internal invokers like _invokeBasic. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
663 |
// For a static reference it could an internal linkage routine like _linkToVirtual, etc. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
664 |
mh_invoke_id = iid; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
665 |
} |
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
666 |
} |
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
667 |
|
2534 | 668 |
// convert the external string or reflective type to an internal signature |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
669 |
TempNewSymbol type = lookup_signature(type_str(), (mh_invoke_id != vmIntrinsics::_none), CHECK_(empty)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
670 |
if (type == NULL) return empty; // no such signature exists in the VM |
2534 | 671 |
|
672 |
// Time to do the lookup. |
|
673 |
switch (flags & ALL_KINDS) { |
|
674 |
case IS_METHOD: |
|
675 |
{ |
|
676 |
CallInfo result; |
|
677 |
{ |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
678 |
assert(!HAS_PENDING_EXCEPTION, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
679 |
if (ref_kind == JVM_REF_invokeStatic) { |
2534 | 680 |
LinkResolver::resolve_static_call(result, |
22250 | 681 |
defc, name, type, caller, caller.not_null(), false, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
682 |
} else if (ref_kind == JVM_REF_invokeInterface) { |
2534 | 683 |
LinkResolver::resolve_interface_call(result, Handle(), defc, |
22250 | 684 |
defc, name, type, caller, caller.not_null(), false, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
685 |
} else if (mh_invoke_id != vmIntrinsics::_none) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
686 |
assert(!is_signature_polymorphic_static(mh_invoke_id), ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
687 |
LinkResolver::resolve_handle_call(result, |
22250 | 688 |
defc, name, type, caller, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
689 |
} else if (ref_kind == JVM_REF_invokeSpecial) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
690 |
LinkResolver::resolve_special_call(result, |
22250 | 691 |
defc, name, type, caller, caller.not_null(), THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
692 |
} else if (ref_kind == JVM_REF_invokeVirtual) { |
2534 | 693 |
LinkResolver::resolve_virtual_call(result, Handle(), defc, |
22250 | 694 |
defc, name, type, caller, caller.not_null(), false, THREAD); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
695 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
696 |
assert(false, err_msg("ref_kind=%d", ref_kind)); |
2534 | 697 |
} |
698 |
if (HAS_PENDING_EXCEPTION) { |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
699 |
return empty; |
2534 | 700 |
} |
701 |
} |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
702 |
if (result.resolved_appendix().not_null()) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
703 |
// The resolved MemberName must not be accompanied by an appendix argument, |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
704 |
// since there is no way to bind this value into the MemberName. |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
705 |
// Caller is responsible to prevent this from happening. |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
706 |
THROW_MSG_(vmSymbols::java_lang_InternalError(), "appendix", empty); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
707 |
} |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
708 |
oop mname2 = init_method_MemberName(mname, result); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
709 |
return Handle(THREAD, mname2); |
2534 | 710 |
} |
711 |
case IS_CONSTRUCTOR: |
|
712 |
{ |
|
713 |
CallInfo result; |
|
714 |
{ |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
715 |
assert(!HAS_PENDING_EXCEPTION, ""); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
716 |
if (name == vmSymbols::object_initializer_name()) { |
2534 | 717 |
LinkResolver::resolve_special_call(result, |
22250 | 718 |
defc, name, type, caller, caller.not_null(), THREAD); |
2534 | 719 |
} else { |
720 |
break; // will throw after end of switch |
|
721 |
} |
|
722 |
if (HAS_PENDING_EXCEPTION) { |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
723 |
return empty; |
2534 | 724 |
} |
725 |
} |
|
726 |
assert(result.is_statically_bound(), ""); |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
727 |
oop mname2 = init_method_MemberName(mname, result); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
728 |
return Handle(THREAD, mname2); |
2534 | 729 |
} |
730 |
case IS_FIELD: |
|
731 |
{ |
|
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
732 |
fieldDescriptor result; // find_field initializes fd if found |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
733 |
{ |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
734 |
assert(!HAS_PENDING_EXCEPTION, ""); |
22250 | 735 |
LinkResolver::resolve_field(result, defc, name, type, caller, Bytecodes::_nop, false, false, THREAD); |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
736 |
if (HAS_PENDING_EXCEPTION) { |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
737 |
return empty; |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
738 |
} |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
739 |
} |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
740 |
oop mname2 = init_field_MemberName(mname, result, ref_kind_is_setter(ref_kind)); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
741 |
return Handle(THREAD, mname2); |
2534 | 742 |
} |
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
743 |
default: |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
744 |
THROW_MSG_(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format", empty); |
2534 | 745 |
} |
5421
e294db54fc0d
6939196: method handle signatures off the boot class path get linkage errors
jrose
parents:
5420
diff
changeset
|
746 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
747 |
return empty; |
2534 | 748 |
} |
749 |
||
750 |
// Conversely, a member name which is only initialized from JVM internals |
|
751 |
// may have null defc, name, and type fields. |
|
752 |
// Resolving it plants a vmtarget/vmindex in it, |
|
753 |
// which refers directly to JVM internals. |
|
754 |
void MethodHandles::expand_MemberName(Handle mname, int suppress, TRAPS) { |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
755 |
assert(java_lang_invoke_MemberName::is_instance(mname()), ""); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
756 |
Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(mname()); |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
757 |
int vmindex = java_lang_invoke_MemberName::vmindex(mname()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
758 |
if (vmtarget == NULL) { |
2534 | 759 |
THROW_MSG(vmSymbols::java_lang_IllegalArgumentException(), "nothing to expand"); |
760 |
} |
|
761 |
||
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
762 |
bool have_defc = (java_lang_invoke_MemberName::clazz(mname()) != NULL); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
763 |
bool have_name = (java_lang_invoke_MemberName::name(mname()) != NULL); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
764 |
bool have_type = (java_lang_invoke_MemberName::type(mname()) != NULL); |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
765 |
int flags = java_lang_invoke_MemberName::flags(mname()); |
2534 | 766 |
|
767 |
if (suppress != 0) { |
|
768 |
if (suppress & _suppress_defc) have_defc = true; |
|
769 |
if (suppress & _suppress_name) have_name = true; |
|
770 |
if (suppress & _suppress_type) have_type = true; |
|
771 |
} |
|
772 |
||
773 |
if (have_defc && have_name && have_type) return; // nothing needed |
|
774 |
||
775 |
switch (flags & ALL_KINDS) { |
|
776 |
case IS_METHOD: |
|
777 |
case IS_CONSTRUCTOR: |
|
778 |
{ |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
779 |
assert(vmtarget->is_method(), "method or constructor vmtarget is Method*"); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
780 |
methodHandle m(THREAD, (Method*)vmtarget); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
781 |
DEBUG_ONLY(vmtarget = NULL); // safety |
2534 | 782 |
if (m.is_null()) break; |
783 |
if (!have_defc) { |
|
14391
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
13973
diff
changeset
|
784 |
InstanceKlass* defc = m->method_holder(); |
df0a1573d5bd
8000725: NPG: method_holder() and pool_holder() and pool_holder field should be InstanceKlass
coleenp
parents:
13973
diff
changeset
|
785 |
java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror()); |
2534 | 786 |
} |
787 |
if (!have_name) { |
|
788 |
//not java_lang_String::create_from_symbol; let's intern member names |
|
789 |
Handle name = StringTable::intern(m->name(), CHECK); |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
790 |
java_lang_invoke_MemberName::set_name(mname(), name()); |
2534 | 791 |
} |
792 |
if (!have_type) { |
|
793 |
Handle type = java_lang_String::create_from_symbol(m->signature(), CHECK); |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
794 |
java_lang_invoke_MemberName::set_type(mname(), type()); |
2534 | 795 |
} |
796 |
return; |
|
797 |
} |
|
798 |
case IS_FIELD: |
|
799 |
{ |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
800 |
assert(vmtarget->is_klass(), "field vmtarget is Klass*"); |
14488 | 801 |
if (!((Klass*) vmtarget)->oop_is_instance()) break; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
802 |
instanceKlassHandle defc(THREAD, (Klass*) vmtarget); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
803 |
DEBUG_ONLY(vmtarget = NULL); // safety |
2534 | 804 |
bool is_static = ((flags & JVM_ACC_STATIC) != 0); |
805 |
fieldDescriptor fd; // find_field initializes fd if found |
|
806 |
if (!defc->find_field_from_offset(vmindex, is_static, &fd)) |
|
807 |
break; // cannot expand |
|
808 |
if (!have_defc) { |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
809 |
java_lang_invoke_MemberName::set_clazz(mname(), defc->java_mirror()); |
2534 | 810 |
} |
811 |
if (!have_name) { |
|
812 |
//not java_lang_String::create_from_symbol; let's intern member names |
|
813 |
Handle name = StringTable::intern(fd.name(), CHECK); |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
814 |
java_lang_invoke_MemberName::set_name(mname(), name()); |
2534 | 815 |
} |
816 |
if (!have_type) { |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
817 |
// If it is a primitive field type, don't mess with short strings like "I". |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
818 |
Handle type = field_signature_type_or_null(fd.signature()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
819 |
if (type.is_null()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
820 |
java_lang_String::create_from_symbol(fd.signature(), CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
821 |
} |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
822 |
java_lang_invoke_MemberName::set_type(mname(), type()); |
2534 | 823 |
} |
824 |
return; |
|
825 |
} |
|
826 |
} |
|
827 |
THROW_MSG(vmSymbols::java_lang_InternalError(), "unrecognized MemberName format"); |
|
828 |
} |
|
829 |
||
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
830 |
int MethodHandles::find_MemberNames(KlassHandle k, |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
831 |
Symbol* name, Symbol* sig, |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
832 |
int mflags, KlassHandle caller, |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
833 |
int skip, objArrayHandle results) { |
2534 | 834 |
// %%% take caller into account! |
835 |
||
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
836 |
Thread* thread = Thread::current(); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
837 |
|
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
838 |
if (k.is_null() || !k->oop_is_instance()) return -1; |
2534 | 839 |
|
840 |
int rfill = 0, rlimit = results->length(), rskip = skip; |
|
841 |
// overflow measurement: |
|
842 |
int overflow = 0, overflow_limit = MAX2(1000, rlimit); |
|
843 |
||
844 |
int match_flags = mflags; |
|
845 |
bool search_superc = ((match_flags & SEARCH_SUPERCLASSES) != 0); |
|
846 |
bool search_intfc = ((match_flags & SEARCH_INTERFACES) != 0); |
|
847 |
bool local_only = !(search_superc | search_intfc); |
|
848 |
bool classes_only = false; |
|
849 |
||
850 |
if (name != NULL) { |
|
851 |
if (name->utf8_length() == 0) return 0; // a match is not possible |
|
852 |
} |
|
853 |
if (sig != NULL) { |
|
854 |
if (sig->utf8_length() == 0) return 0; // a match is not possible |
|
855 |
if (sig->byte_at(0) == '(') |
|
856 |
match_flags &= ~(IS_FIELD | IS_TYPE); |
|
857 |
else |
|
858 |
match_flags &= ~(IS_CONSTRUCTOR | IS_METHOD); |
|
859 |
} |
|
860 |
||
861 |
if ((match_flags & IS_TYPE) != 0) { |
|
862 |
// NYI, and Core Reflection works quite well for this query |
|
863 |
} |
|
864 |
||
865 |
if ((match_flags & IS_FIELD) != 0) { |
|
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
866 |
for (FieldStream st(k(), local_only, !search_intfc); !st.eos(); st.next()) { |
2534 | 867 |
if (name != NULL && st.name() != name) |
868 |
continue; |
|
869 |
if (sig != NULL && st.signature() != sig) |
|
870 |
continue; |
|
871 |
// passed the filters |
|
872 |
if (rskip > 0) { |
|
873 |
--rskip; |
|
874 |
} else if (rfill < rlimit) { |
|
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
875 |
Handle result(thread, results->obj_at(rfill++)); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
876 |
if (!java_lang_invoke_MemberName::is_instance(result())) |
2534 | 877 |
return -99; // caller bug! |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
878 |
oop saved = MethodHandles::init_field_MemberName(result, st.field_descriptor()); |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
879 |
if (saved != result()) |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
880 |
results->obj_at_put(rfill-1, saved); // show saved instance to user |
2534 | 881 |
} else if (++overflow >= overflow_limit) { |
882 |
match_flags = 0; break; // got tired of looking at overflow |
|
883 |
} |
|
884 |
} |
|
885 |
} |
|
886 |
||
887 |
if ((match_flags & (IS_METHOD | IS_CONSTRUCTOR)) != 0) { |
|
888 |
// watch out for these guys: |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
889 |
Symbol* init_name = vmSymbols::object_initializer_name(); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
890 |
Symbol* clinit_name = vmSymbols::class_initializer_name(); |
2534 | 891 |
if (name == clinit_name) clinit_name = NULL; // hack for exposing <clinit> |
892 |
bool negate_name_test = false; |
|
893 |
// fix name so that it captures the intention of IS_CONSTRUCTOR |
|
894 |
if (!(match_flags & IS_METHOD)) { |
|
895 |
// constructors only |
|
896 |
if (name == NULL) { |
|
897 |
name = init_name; |
|
898 |
} else if (name != init_name) { |
|
899 |
return 0; // no constructors of this method name |
|
900 |
} |
|
901 |
} else if (!(match_flags & IS_CONSTRUCTOR)) { |
|
902 |
// methods only |
|
903 |
if (name == NULL) { |
|
904 |
name = init_name; |
|
905 |
negate_name_test = true; // if we see the name, we *omit* the entry |
|
906 |
} else if (name == init_name) { |
|
907 |
return 0; // no methods of this constructor name |
|
908 |
} |
|
909 |
} else { |
|
910 |
// caller will accept either sort; no need to adjust name |
|
911 |
} |
|
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
912 |
for (MethodStream st(k(), local_only, !search_intfc); !st.eos(); st.next()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
913 |
Method* m = st.method(); |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
914 |
Symbol* m_name = m->name(); |
2534 | 915 |
if (m_name == clinit_name) |
916 |
continue; |
|
917 |
if (name != NULL && ((m_name != name) ^ negate_name_test)) |
|
918 |
continue; |
|
919 |
if (sig != NULL && m->signature() != sig) |
|
920 |
continue; |
|
921 |
// passed the filters |
|
922 |
if (rskip > 0) { |
|
923 |
--rskip; |
|
924 |
} else if (rfill < rlimit) { |
|
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
925 |
Handle result(thread, results->obj_at(rfill++)); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
926 |
if (!java_lang_invoke_MemberName::is_instance(result())) |
2534 | 927 |
return -99; // caller bug! |
20017
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
928 |
CallInfo info(m); |
81eba62e9048
8014013: CallInfo structure no longer accurately reports the result of a LinkResolver operation
drchase
parents:
18508
diff
changeset
|
929 |
oop saved = MethodHandles::init_method_MemberName(result, info); |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
930 |
if (saved != result()) |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
931 |
results->obj_at_put(rfill-1, saved); // show saved instance to user |
2534 | 932 |
} else if (++overflow >= overflow_limit) { |
933 |
match_flags = 0; break; // got tired of looking at overflow |
|
934 |
} |
|
935 |
} |
|
936 |
} |
|
937 |
||
938 |
// return number of elements we at leasted wanted to initialize |
|
939 |
return rfill + overflow; |
|
940 |
} |
|
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
941 |
|
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
942 |
//------------------------------------------------------------------------------ |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
943 |
// MemberNameTable |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
944 |
// |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
945 |
|
17828
17131ab4b3b5
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
17388
diff
changeset
|
946 |
MemberNameTable::MemberNameTable(int methods_cnt) |
17131ab4b3b5
8014288: perf regression in nashorn JDK-8008448.js test after 8008511 changes
sspitsyn
parents:
17388
diff
changeset
|
947 |
: GrowableArray<jweak>(methods_cnt, true) { |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
948 |
assert_locked_or_safepoint(MemberNameTable_lock); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
949 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
950 |
|
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
951 |
MemberNameTable::~MemberNameTable() { |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
952 |
assert_locked_or_safepoint(MemberNameTable_lock); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
953 |
int len = this->length(); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
954 |
|
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
955 |
for (int idx = 0; idx < len; idx++) { |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
956 |
jweak ref = this->at(idx); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
957 |
JNIHandles::destroy_weak_global(ref); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
958 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
959 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
960 |
|
27674
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
961 |
void MemberNameTable::add_member_name(jweak mem_name_wref) { |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
962 |
assert_locked_or_safepoint(MemberNameTable_lock); |
27674
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
963 |
this->push(mem_name_wref); |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
964 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
965 |
|
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
966 |
#if INCLUDE_JVMTI |
27674
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
967 |
// It is called at safepoint only for RedefineClasses |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
968 |
void MemberNameTable::adjust_method_entries(Method** old_methods, Method** new_methods, |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
969 |
int methods_length, bool *trace_name_printed) { |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
970 |
assert(SafepointSynchronize::is_at_safepoint(), "only called at safepoint"); |
27674
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
971 |
// For each redefined method |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
972 |
for (int j = 0; j < methods_length; j++) { |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
973 |
Method* old_method = old_methods[j]; |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
974 |
Method* new_method = new_methods[j]; |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
975 |
|
27674
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
976 |
// search the MemberNameTable for uses of either obsolete or EMCP methods |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
977 |
for (int idx = 0; idx < length(); idx++) { |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
978 |
oop mem_name = JNIHandles::resolve(this->at(idx)); |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
979 |
if (mem_name != NULL) { |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
980 |
java_lang_invoke_MemberName::adjust_vmtarget(mem_name, old_method, new_method, |
00cabfc45357
8042235: redefining method used by multiple MethodHandles crashes VM
coleenp
parents:
27420
diff
changeset
|
981 |
trace_name_printed); |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
982 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
983 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
984 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
985 |
} |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
986 |
#endif // INCLUDE_JVMTI |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
987 |
|
2534 | 988 |
// |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
989 |
// Here are the native methods in java.lang.invoke.MethodHandleNatives |
2534 | 990 |
// They are the private interface between this JVM and the HotSpot-specific |
991 |
// Java code that implements JSR 292 method handles. |
|
992 |
// |
|
993 |
// Note: We use a JVM_ENTRY macro to define each of these, for this is the way |
|
994 |
// that intrinsic (non-JNI) native methods are defined in HotSpot. |
|
995 |
// |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
996 |
|
2534 | 997 |
#ifndef PRODUCT |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
998 |
#define EACH_NAMED_CON(template, requirement) \ |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
999 |
template(java_lang_invoke_MemberName,MN_IS_METHOD) \ |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1000 |
template(java_lang_invoke_MemberName,MN_IS_CONSTRUCTOR) \ |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1001 |
template(java_lang_invoke_MemberName,MN_IS_FIELD) \ |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1002 |
template(java_lang_invoke_MemberName,MN_IS_TYPE) \ |
16617
6235d2c7549f
7198429: need checked categorization of caller-sensitive methods in the JDK
twisti
parents:
14825
diff
changeset
|
1003 |
template(java_lang_invoke_MemberName,MN_CALLER_SENSITIVE) \ |
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1004 |
template(java_lang_invoke_MemberName,MN_SEARCH_SUPERCLASSES) \ |
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1005 |
template(java_lang_invoke_MemberName,MN_SEARCH_INTERFACES) \ |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1006 |
template(java_lang_invoke_MemberName,MN_REFERENCE_KIND_SHIFT) \ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1007 |
template(java_lang_invoke_MemberName,MN_REFERENCE_KIND_MASK) \ |
2534 | 1008 |
/*end*/ |
1009 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1010 |
#define IGNORE_REQ(req_expr) /* req_expr */ |
2534 | 1011 |
#define ONE_PLUS(scope,value) 1+ |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1012 |
static const int con_value_count = EACH_NAMED_CON(ONE_PLUS, IGNORE_REQ) 0; |
2534 | 1013 |
#define VALUE_COMMA(scope,value) scope::value, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1014 |
static const int con_values[con_value_count+1] = { EACH_NAMED_CON(VALUE_COMMA, IGNORE_REQ) 0 }; |
2534 | 1015 |
#define STRING_NULL(scope,value) #value "\0" |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1016 |
static const char con_names[] = { EACH_NAMED_CON(STRING_NULL, IGNORE_REQ) }; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1017 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1018 |
static bool advertise_con_value(int which) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1019 |
if (which < 0) return false; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1020 |
bool ok = true; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1021 |
int count = 0; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1022 |
#define INC_COUNT(scope,value) \ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1023 |
++count; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1024 |
#define CHECK_REQ(req_expr) \ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1025 |
if (which < count) return ok; \ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1026 |
ok = (req_expr); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1027 |
EACH_NAMED_CON(INC_COUNT, CHECK_REQ); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1028 |
#undef INC_COUNT |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1029 |
#undef CHECK_REQ |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1030 |
assert(count == con_value_count, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1031 |
if (which < count) return ok; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1032 |
return false; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1033 |
} |
2534 | 1034 |
|
1035 |
#undef ONE_PLUS |
|
1036 |
#undef VALUE_COMMA |
|
1037 |
#undef STRING_NULL |
|
1038 |
#undef EACH_NAMED_CON |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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changeset
|
1039 |
#endif // PRODUCT |
2534 | 1040 |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1041 |
JVM_ENTRY(jint, MHN_getNamedCon(JNIEnv *env, jobject igcls, jint which, jobjectArray box_jh)) { |
2534 | 1042 |
#ifndef PRODUCT |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
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diff
changeset
|
1043 |
if (advertise_con_value(which)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1044 |
assert(which >= 0 && which < con_value_count, ""); |
2534 | 1045 |
int con = con_values[which]; |
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
1046 |
objArrayHandle box(THREAD, (objArrayOop) JNIHandles::resolve(box_jh)); |
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
1047 |
if (box.not_null() && box->klass() == Universe::objectArrayKlassObj() && box->length() > 0) { |
2534 | 1048 |
const char* str = &con_names[0]; |
1049 |
for (int i = 0; i < which; i++) |
|
1050 |
str += strlen(str) + 1; // skip name and null |
|
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
1051 |
oop name = java_lang_String::create_oop_from_str(str, CHECK_0); // possible safepoint |
2534 | 1052 |
box->obj_at_put(0, name); |
1053 |
} |
|
1054 |
return con; |
|
1055 |
} |
|
1056 |
#endif |
|
1057 |
return 0; |
|
1058 |
} |
|
1059 |
JVM_END |
|
1060 |
||
1061 |
// void init(MemberName self, AccessibleObject ref) |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
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diff
changeset
|
1062 |
JVM_ENTRY(void, MHN_init_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jobject target_jh)) { |
9963
4a783069663c
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
9947
diff
changeset
|
1063 |
if (mname_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "mname is null"); } |
4a783069663c
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
9947
diff
changeset
|
1064 |
if (target_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "target is null"); } |
2534 | 1065 |
Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh)); |
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
1066 |
Handle target(THREAD, JNIHandles::resolve_non_null(target_jh)); |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
1067 |
MethodHandles::init_MemberName(mname, target); |
2534 | 1068 |
} |
1069 |
JVM_END |
|
1070 |
||
1071 |
// void expand(MemberName self) |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1072 |
JVM_ENTRY(void, MHN_expand_Mem(JNIEnv *env, jobject igcls, jobject mname_jh)) { |
9963
4a783069663c
7047961: JSR 292 MethodHandleWalk swap args doesn't handle T_LONG and T_DOUBLE properly
never
parents:
9947
diff
changeset
|
1073 |
if (mname_jh == NULL) { THROW_MSG(vmSymbols::java_lang_InternalError(), "mname is null"); } |
2534 | 1074 |
Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh)); |
1075 |
MethodHandles::expand_MemberName(mname, 0, CHECK); |
|
1076 |
} |
|
1077 |
JVM_END |
|
1078 |
||
1079 |
// void resolve(MemberName self, Class<?> caller) |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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13293
diff
changeset
|
1080 |
JVM_ENTRY(jobject, MHN_resolve_Mem(JNIEnv *env, jobject igcls, jobject mname_jh, jclass caller_jh)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1081 |
if (mname_jh == NULL) { THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "mname is null"); } |
2534 | 1082 |
Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh)); |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1083 |
|
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1084 |
// The trusted Java code that calls this method should already have performed |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1085 |
// access checks on behalf of the given caller. But, we can verify this. |
13391
30245956af37
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parents:
13293
diff
changeset
|
1086 |
if (VerifyMethodHandles && caller_jh != NULL && |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1087 |
java_lang_invoke_MemberName::clazz(mname()) != NULL) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1088 |
Klass* reference_klass = java_lang_Class::as_Klass(java_lang_invoke_MemberName::clazz(mname())); |
18508
3b95160639d8
8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents:
17828
diff
changeset
|
1089 |
if (reference_klass != NULL && reference_klass->oop_is_objArray()) { |
3b95160639d8
8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents:
17828
diff
changeset
|
1090 |
reference_klass = ObjArrayKlass::cast(reference_klass)->bottom_klass(); |
3b95160639d8
8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents:
17828
diff
changeset
|
1091 |
} |
3b95160639d8
8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents:
17828
diff
changeset
|
1092 |
|
3b95160639d8
8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents:
17828
diff
changeset
|
1093 |
// Reflection::verify_class_access can only handle instance classes. |
3b95160639d8
8017571: JSR292: JVM crashing on assert "cast to instanceKlass" while producing MethodHandle for array methods with MethodHandle.findVirtual
twisti
parents:
17828
diff
changeset
|
1094 |
if (reference_klass != NULL && reference_klass->oop_is_instance()) { |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1095 |
// Emulate LinkResolver::check_klass_accessability. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1096 |
Klass* caller = java_lang_Class::as_Klass(JNIHandles::resolve_non_null(caller_jh)); |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1097 |
if (!Reflection::verify_class_access(caller, |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1098 |
reference_klass, |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1099 |
true)) { |
14488 | 1100 |
THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), reference_klass->external_name()); |
5420
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1101 |
} |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1102 |
} |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1103 |
} |
586d3988e72b
6939134: JSR 292 adjustments to method handle invocation
jrose
parents:
5050
diff
changeset
|
1104 |
|
22250 | 1105 |
KlassHandle caller(THREAD, |
1106 |
caller_jh == NULL ? (Klass*) NULL : |
|
1107 |
java_lang_Class::as_Klass(JNIHandles::resolve_non_null(caller_jh))); |
|
1108 |
Handle resolved = MethodHandles::resolve_MemberName(mname, caller, CHECK_NULL); |
|
1109 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1110 |
if (resolved.is_null()) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1111 |
int flags = java_lang_invoke_MemberName::flags(mname()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1112 |
int ref_kind = (flags >> REFERENCE_KIND_SHIFT) & REFERENCE_KIND_MASK; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1113 |
if (!MethodHandles::ref_kind_is_valid(ref_kind)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1114 |
THROW_MSG_NULL(vmSymbols::java_lang_InternalError(), "obsolete MemberName format"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1115 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1116 |
if ((flags & ALL_KINDS) == IS_FIELD) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1117 |
THROW_MSG_NULL(vmSymbols::java_lang_NoSuchMethodError(), "field resolution failed"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1118 |
} else if ((flags & ALL_KINDS) == IS_METHOD || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1119 |
(flags & ALL_KINDS) == IS_CONSTRUCTOR) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1120 |
THROW_MSG_NULL(vmSymbols::java_lang_NoSuchFieldError(), "method resolution failed"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1121 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1122 |
THROW_MSG_NULL(vmSymbols::java_lang_LinkageError(), "resolution failed"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1123 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1124 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1125 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1126 |
return JNIHandles::make_local(THREAD, resolved()); |
2534 | 1127 |
} |
1128 |
JVM_END |
|
1129 |
||
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1130 |
static jlong find_member_field_offset(oop mname, bool must_be_static, TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1131 |
if (mname == NULL || |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1132 |
java_lang_invoke_MemberName::vmtarget(mname) == NULL) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1133 |
THROW_MSG_0(vmSymbols::java_lang_InternalError(), "mname not resolved"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1134 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1135 |
int flags = java_lang_invoke_MemberName::flags(mname); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1136 |
if ((flags & IS_FIELD) != 0 && |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1137 |
(must_be_static |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1138 |
? (flags & JVM_ACC_STATIC) != 0 |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1139 |
: (flags & JVM_ACC_STATIC) == 0)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1140 |
int vmindex = java_lang_invoke_MemberName::vmindex(mname); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1141 |
return (jlong) vmindex; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1142 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1143 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1144 |
const char* msg = (must_be_static ? "static field required" : "non-static field required"); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1145 |
THROW_MSG_0(vmSymbols::java_lang_InternalError(), msg); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1146 |
return 0; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1147 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1148 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1149 |
JVM_ENTRY(jlong, MHN_objectFieldOffset(JNIEnv *env, jobject igcls, jobject mname_jh)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1150 |
return find_member_field_offset(JNIHandles::resolve(mname_jh), false, THREAD); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1151 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1152 |
JVM_END |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1153 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1154 |
JVM_ENTRY(jlong, MHN_staticFieldOffset(JNIEnv *env, jobject igcls, jobject mname_jh)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1155 |
return find_member_field_offset(JNIHandles::resolve(mname_jh), true, THREAD); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1156 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1157 |
JVM_END |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1158 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1159 |
JVM_ENTRY(jobject, MHN_staticFieldBase(JNIEnv *env, jobject igcls, jobject mname_jh)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1160 |
// use the other function to perform sanity checks: |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1161 |
jlong ignore = find_member_field_offset(JNIHandles::resolve(mname_jh), true, CHECK_NULL); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1162 |
oop clazz = java_lang_invoke_MemberName::clazz(JNIHandles::resolve_non_null(mname_jh)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1163 |
return JNIHandles::make_local(THREAD, clazz); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1164 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1165 |
JVM_END |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1166 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1167 |
JVM_ENTRY(jobject, MHN_getMemberVMInfo(JNIEnv *env, jobject igcls, jobject mname_jh)) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1168 |
if (mname_jh == NULL) return NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1169 |
Handle mname(THREAD, JNIHandles::resolve_non_null(mname_jh)); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1170 |
intptr_t vmindex = java_lang_invoke_MemberName::vmindex(mname()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1171 |
Metadata* vmtarget = java_lang_invoke_MemberName::vmtarget(mname()); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1172 |
objArrayHandle result = oopFactory::new_objArray(SystemDictionary::Object_klass(), 2, CHECK_NULL); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1173 |
jvalue vmindex_value; vmindex_value.j = (long)vmindex; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1174 |
oop x = java_lang_boxing_object::create(T_LONG, &vmindex_value, CHECK_NULL); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1175 |
result->obj_at_put(0, x); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1176 |
x = NULL; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1177 |
if (vmtarget == NULL) { |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1178 |
x = NULL; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1179 |
} else if (vmtarget->is_klass()) { |
14488 | 1180 |
x = ((Klass*) vmtarget)->java_mirror(); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1181 |
} else if (vmtarget->is_method()) { |
21107
aa84c4d14e6c
8023004: JSR 292: java.lang.RuntimeException: Original target method was called.
sspitsyn
parents:
20391
diff
changeset
|
1182 |
x = mname(); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1183 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1184 |
result->obj_at_put(1, x); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1185 |
return JNIHandles::make_local(env, result()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1186 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1187 |
JVM_END |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1188 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1189 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1190 |
|
2534 | 1191 |
// static native int getMembers(Class<?> defc, String matchName, String matchSig, |
1192 |
// int matchFlags, Class<?> caller, int skip, MemberName[] results); |
|
8676
9098d4e927e1
7012648: move JSR 292 to package java.lang.invoke and adjust names
jrose
parents:
8675
diff
changeset
|
1193 |
JVM_ENTRY(jint, MHN_getMembers(JNIEnv *env, jobject igcls, |
2534 | 1194 |
jclass clazz_jh, jstring name_jh, jstring sig_jh, |
1195 |
int mflags, jclass caller_jh, jint skip, jobjectArray results_jh)) { |
|
1196 |
if (clazz_jh == NULL || results_jh == NULL) return -1; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1197 |
KlassHandle k(THREAD, java_lang_Class::as_Klass(JNIHandles::resolve_non_null(clazz_jh))); |
2534 | 1198 |
|
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
1199 |
objArrayHandle results(THREAD, (objArrayOop) JNIHandles::resolve(results_jh)); |
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
1200 |
if (results.is_null() || !results->is_objArray()) return -1; |
2534 | 1201 |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
1202 |
TempNewSymbol name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7887
diff
changeset
|
1203 |
TempNewSymbol sig = NULL; |
2534 | 1204 |
if (name_jh != NULL) { |
1205 |
name = java_lang_String::as_symbol_or_null(JNIHandles::resolve_non_null(name_jh)); |
|
1206 |
if (name == NULL) return 0; // a match is not possible |
|
1207 |
} |
|
1208 |
if (sig_jh != NULL) { |
|
1209 |
sig = java_lang_String::as_symbol_or_null(JNIHandles::resolve_non_null(sig_jh)); |
|
1210 |
if (sig == NULL) return 0; // a match is not possible |
|
1211 |
} |
|
1212 |
||
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
1213 |
KlassHandle caller; |
2534 | 1214 |
if (caller_jh != NULL) { |
1215 |
oop caller_oop = JNIHandles::resolve_non_null(caller_jh); |
|
1216 |
if (!java_lang_Class::is_instance(caller_oop)) return -1; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1217 |
caller = KlassHandle(THREAD, java_lang_Class::as_Klass(caller_oop)); |
2534 | 1218 |
} |
1219 |
||
9323
20cc2230dc8a
7018355: JSR 292: VM crash in DefNewGeneration::copy_to_survivor_space
twisti
parents:
9134
diff
changeset
|
1220 |
if (name != NULL && sig != NULL && results.not_null()) { |
2534 | 1221 |
// try a direct resolve |
1222 |
// %%% TO DO |
|
1223 |
} |
|
1224 |
||
17029
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
1225 |
int res = MethodHandles::find_MemberNames(k, name, sig, mflags, |
9ff8d7c0ed79
8008511: JSR 292: MemberName vmtarget refs to methods must be updated at class redefinition
sspitsyn
parents:
17024
diff
changeset
|
1226 |
caller, skip, results); |
2534 | 1227 |
// TO DO: expand at least some of the MemberNames, to avoid massive callbacks |
1228 |
return res; |
|
1229 |
} |
|
1230 |
JVM_END |
|
1231 |
||
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1232 |
JVM_ENTRY(void, MHN_setCallSiteTargetNormal(JNIEnv* env, jobject igcls, jobject call_site_jh, jobject target_jh)) { |
10967
e13ea25b2f0b
7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents:
10546
diff
changeset
|
1233 |
Handle call_site(THREAD, JNIHandles::resolve_non_null(call_site_jh)); |
e13ea25b2f0b
7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents:
10546
diff
changeset
|
1234 |
Handle target (THREAD, JNIHandles::resolve(target_jh)); |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1235 |
{ |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1236 |
// Walk all nmethods depending on this call site. |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1237 |
MutexLocker mu(Compile_lock, thread); |
28374
0558e321c027
8067836: The Universe::flush_foo methods belong in CodeCache.
coleenp
parents:
27694
diff
changeset
|
1238 |
CodeCache::flush_dependents_on(call_site, target); |
14825
8bc43f610c87
8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java
twisti
parents:
14488
diff
changeset
|
1239 |
java_lang_invoke_CallSite::set_target(call_site(), target()); |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1240 |
} |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1241 |
} |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1242 |
JVM_END |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1243 |
|
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1244 |
JVM_ENTRY(void, MHN_setCallSiteTargetVolatile(JNIEnv* env, jobject igcls, jobject call_site_jh, jobject target_jh)) { |
10967
e13ea25b2f0b
7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents:
10546
diff
changeset
|
1245 |
Handle call_site(THREAD, JNIHandles::resolve_non_null(call_site_jh)); |
e13ea25b2f0b
7094138: JSR 292: JRuby junit test fails in CallSite.setTargetNormal: obj->is_oop() failed: sanity check
twisti
parents:
10546
diff
changeset
|
1246 |
Handle target (THREAD, JNIHandles::resolve(target_jh)); |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1247 |
{ |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1248 |
// Walk all nmethods depending on this call site. |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1249 |
MutexLocker mu(Compile_lock, thread); |
28374
0558e321c027
8067836: The Universe::flush_foo methods belong in CodeCache.
coleenp
parents:
27694
diff
changeset
|
1250 |
CodeCache::flush_dependents_on(call_site, target); |
14825
8bc43f610c87
8003238: JSR 292: intermittent exception failure with java/lang/invoke/CallSiteTest.java
twisti
parents:
14488
diff
changeset
|
1251 |
java_lang_invoke_CallSite::set_target_volatile(call_site(), target()); |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1252 |
} |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1253 |
} |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1254 |
JVM_END |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1255 |
|
17381
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1256 |
/** |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1257 |
* Throws a java/lang/UnsupportedOperationException unconditionally. |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1258 |
* This is required by the specification of MethodHandle.invoke if |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1259 |
* invoked directly. |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1260 |
*/ |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1261 |
JVM_ENTRY(jobject, MH_invoke_UOE(JNIEnv* env, jobject mh, jobjectArray args)) { |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1262 |
THROW_MSG_NULL(vmSymbols::java_lang_UnsupportedOperationException(), "MethodHandle.invoke cannot be invoked reflectively"); |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1263 |
return NULL; |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1264 |
} |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1265 |
JVM_END |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1266 |
|
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1267 |
/** |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1268 |
* Throws a java/lang/UnsupportedOperationException unconditionally. |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1269 |
* This is required by the specification of MethodHandle.invokeExact if |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1270 |
* invoked directly. |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1271 |
*/ |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1272 |
JVM_ENTRY(jobject, MH_invokeExact_UOE(JNIEnv* env, jobject mh, jobjectArray args)) { |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1273 |
THROW_MSG_NULL(vmSymbols::java_lang_UnsupportedOperationException(), "MethodHandle.invokeExact cannot be invoked reflectively"); |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1274 |
return NULL; |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1275 |
} |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1276 |
JVM_END |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1277 |
|
2534 | 1278 |
/// JVM_RegisterMethodHandleMethods |
1279 |
||
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1280 |
#undef CS // Solaris builds complain |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1281 |
|
2534 | 1282 |
#define LANG "Ljava/lang/" |
9116 | 1283 |
#define JLINV "Ljava/lang/invoke/" |
2534 | 1284 |
|
1285 |
#define OBJ LANG"Object;" |
|
1286 |
#define CLS LANG"Class;" |
|
1287 |
#define STRG LANG"String;" |
|
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1288 |
#define CS JLINV"CallSite;" |
9116 | 1289 |
#define MT JLINV"MethodType;" |
1290 |
#define MH JLINV"MethodHandle;" |
|
1291 |
#define MEM JLINV"MemberName;" |
|
2534 | 1292 |
|
1293 |
#define CC (char*) /*cast a literal from (const char*)*/ |
|
1294 |
#define FN_PTR(f) CAST_FROM_FN_PTR(void*, &f) |
|
1295 |
||
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1296 |
// These are the native methods on java.lang.invoke.MethodHandleNatives. |
17381
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1297 |
static JNINativeMethod MHN_methods[] = { |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1298 |
{CC"init", CC"("MEM""OBJ")V", FN_PTR(MHN_init_Mem)}, |
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1299 |
{CC"expand", CC"("MEM")V", FN_PTR(MHN_expand_Mem)}, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1300 |
{CC"resolve", CC"("MEM""CLS")"MEM, FN_PTR(MHN_resolve_Mem)}, |
2534 | 1301 |
// static native int getNamedCon(int which, Object[] name) |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1302 |
{CC"getNamedCon", CC"(I["OBJ")I", FN_PTR(MHN_getNamedCon)}, |
2534 | 1303 |
// static native int getMembers(Class<?> defc, String matchName, String matchSig, |
1304 |
// int matchFlags, Class<?> caller, int skip, MemberName[] results); |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1305 |
{CC"getMembers", CC"("CLS""STRG""STRG"I"CLS"I["MEM")I", FN_PTR(MHN_getMembers)}, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1306 |
{CC"objectFieldOffset", CC"("MEM")J", FN_PTR(MHN_objectFieldOffset)}, |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
twisti
parents:
10514
diff
changeset
|
1307 |
{CC"setCallSiteTargetNormal", CC"("CS""MH")V", FN_PTR(MHN_setCallSiteTargetNormal)}, |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1308 |
{CC"setCallSiteTargetVolatile", CC"("CS""MH")V", FN_PTR(MHN_setCallSiteTargetVolatile)}, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1309 |
{CC"staticFieldOffset", CC"("MEM")J", FN_PTR(MHN_staticFieldOffset)}, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1310 |
{CC"staticFieldBase", CC"("MEM")"OBJ, FN_PTR(MHN_staticFieldBase)}, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
13293
diff
changeset
|
1311 |
{CC"getMemberVMInfo", CC"("MEM")"OBJ, FN_PTR(MHN_getMemberVMInfo)} |
2534 | 1312 |
}; |
1313 |
||
17381
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1314 |
static JNINativeMethod MH_methods[] = { |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
17087
diff
changeset
|
1315 |
// UnsupportedOperationException throwers |
a53ac5bf4850
7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
twisti
parents:
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|
1316 |
{CC"invoke", CC"(["OBJ")"OBJ, FN_PTR(MH_invoke_UOE)}, |
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|
1317 |
{CC"invokeExact", CC"(["OBJ")"OBJ, FN_PTR(MH_invokeExact_UOE)} |
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1318 |
}; |
2534 | 1319 |
|
17381
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1320 |
/** |
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1321 |
* Helper method to register native methods. |
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1322 |
*/ |
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1323 |
static bool register_natives(JNIEnv* env, jclass clazz, const JNINativeMethod* methods, jint nMethods) { |
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1324 |
int status = env->RegisterNatives(clazz, methods, nMethods); |
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|
1325 |
if (status != JNI_OK || env->ExceptionOccurred()) { |
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1326 |
warning("JSR 292 method handle code is mismatched to this JVM. Disabling support."); |
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|
1327 |
env->ExceptionClear(); |
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|
1328 |
return false; |
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7196277: JSR 292: Two jck/runtime tests crash on java.lang.invoke.MethodHandle.invokeExact
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|
1329 |
} |
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|
1330 |
return true; |
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|
1331 |
} |
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changeset
|
1332 |
|
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|
1333 |
/** |
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|
1334 |
* This one function is exported, used by NativeLookup. |
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|
1335 |
*/ |
2534 | 1336 |
JVM_ENTRY(void, JVM_RegisterMethodHandleMethods(JNIEnv *env, jclass MHN_class)) { |
10540
92d59dba2407
7085860: JSR 292: implement CallSite.setTargetNormal and setTargetVolatile as native methods
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|
1337 |
assert(!MethodHandles::enabled(), "must not be enabled"); |
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6815692: method handle code needs some cleanup (post-6655638)
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|
1338 |
bool enable_MH = true; |
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changeset
|
1339 |
|
13391
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7023639: JSR 292 method handle invocation needs a fast path for compiled code
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|
1340 |
jclass MH_class = NULL; |
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|
1341 |
if (SystemDictionary::MethodHandle_klass() == NULL) { |
30245956af37
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|
1342 |
enable_MH = false; |
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|
1343 |
} else { |
14488 | 1344 |
oop mirror = SystemDictionary::MethodHandle_klass()->java_mirror(); |
13391
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|
1345 |
MH_class = (jclass) JNIHandles::make_local(env, mirror); |
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|
1346 |
} |
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changeset
|
1347 |
|
30245956af37
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changeset
|
1348 |
if (enable_MH) { |
2534 | 1349 |
ThreadToNativeFromVM ttnfv(thread); |
13391
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changeset
|
1350 |
|
17381
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|
1351 |
if (enable_MH) { |
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|
1352 |
enable_MH = register_natives(env, MHN_class, MHN_methods, sizeof(MHN_methods)/sizeof(JNINativeMethod)); |
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|
1353 |
} |
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changeset
|
1354 |
if (enable_MH) { |
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|
1355 |
enable_MH = register_natives(env, MH_class, MH_methods, sizeof(MH_methods)/sizeof(JNINativeMethod)); |
2534 | 1356 |
} |
1357 |
} |
|
2570
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6655646: dynamic languages need dynamically linked call sites
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|
1358 |
|
13391
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|
1359 |
if (TraceInvokeDynamic) { |
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|
1360 |
tty->print_cr("MethodHandle support loaded (using LambdaForms)"); |
4094
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|
1361 |
} |
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|
1362 |
|
1f424b2b2171
6815692: method handle code needs some cleanup (post-6655638)
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|
1363 |
if (enable_MH) { |
27420
04e6f914cce1
8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
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|
1364 |
if (MethodHandles::generate_adapters() == false) { |
04e6f914cce1
8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
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|
1365 |
THROW_MSG(vmSymbols::java_lang_VirtualMachineError(), "Out of space in CodeCache for method handle adapters"); |
04e6f914cce1
8046809: vm/mlvm/meth/stress/compiler/deoptimize CodeCache is full.
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changeset
|
1366 |
} |
4094
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changeset
|
1367 |
MethodHandles::set_enabled(true); |
1f424b2b2171
6815692: method handle code needs some cleanup (post-6655638)
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changeset
|
1368 |
} |
2534 | 1369 |
} |
1370 |
JVM_END |