author | twisti |
Tue, 04 Sep 2012 18:01:20 -0700 | |
changeset 13732 | a9865f5514fc |
parent 13728 | 882756847a04 |
child 13929 | 8da0dc50a6e4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997, 2012, 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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#include "precompiled.hpp" |
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#include "classfile/systemDictionary.hpp" |
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#include "classfile/vmSymbols.hpp" |
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#include "compiler/compileBroker.hpp" |
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#include "gc_interface/collectedHeap.inline.hpp" |
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#include "interpreter/bytecode.hpp" |
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#include "interpreter/interpreterRuntime.hpp" |
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#include "interpreter/linkResolver.hpp" |
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#include "memory/resourceArea.hpp" |
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#include "memory/universe.inline.hpp" |
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#include "oops/instanceKlass.hpp" |
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#include "oops/objArrayOop.hpp" |
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#include "prims/methodHandles.hpp" |
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#include "prims/nativeLookup.hpp" |
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#include "runtime/compilationPolicy.hpp" |
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#include "runtime/fieldDescriptor.hpp" |
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#include "runtime/frame.inline.hpp" |
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#include "runtime/handles.inline.hpp" |
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#include "runtime/reflection.hpp" |
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#include "runtime/signature.hpp" |
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#include "runtime/vmThread.hpp" |
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#ifdef TARGET_OS_FAMILY_linux |
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# include "thread_linux.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_solaris |
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# include "thread_solaris.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_windows |
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# include "thread_windows.inline.hpp" |
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#endif |
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#ifdef TARGET_OS_FAMILY_bsd |
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# include "thread_bsd.inline.hpp" |
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#endif |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Implementation of FieldAccessInfo |
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void FieldAccessInfo::set(KlassHandle klass, Symbol* name, int field_index, int field_offset, |
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BasicType field_type, AccessFlags access_flags) { |
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_klass = klass; |
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_name = name; |
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_field_index = field_index; |
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_field_offset = field_offset; |
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_field_type = field_type; |
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_access_flags = access_flags; |
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} |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Implementation of CallInfo |
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void CallInfo::set_static(KlassHandle resolved_klass, methodHandle resolved_method, TRAPS) { |
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int vtable_index = Method::nonvirtual_vtable_index; |
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set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, vtable_index, CHECK); |
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} |
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void CallInfo::set_interface(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, TRAPS) { |
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// This is only called for interface methods. If the resolved_method |
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// comes from java/lang/Object, it can be the subject of a virtual call, so |
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// we should pick the vtable index from the resolved method. |
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// Other than that case, there is no valid vtable index to specify. |
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int vtable_index = Method::invalid_vtable_index; |
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if (resolved_method->method_holder() == SystemDictionary::Object_klass()) { |
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assert(resolved_method->vtable_index() == selected_method->vtable_index(), "sanity check"); |
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vtable_index = resolved_method->vtable_index(); |
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} |
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set_common(resolved_klass, selected_klass, resolved_method, selected_method, vtable_index, CHECK); |
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} |
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void CallInfo::set_virtual(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { |
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assert(vtable_index >= 0 || vtable_index == Method::nonvirtual_vtable_index, "valid index"); |
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set_common(resolved_klass, selected_klass, resolved_method, selected_method, vtable_index, CHECK); |
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assert(!resolved_method->is_compiled_lambda_form(), "these must be handled via an invokehandle call"); |
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} |
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void CallInfo::set_handle(methodHandle resolved_method, Handle resolved_appendix, TRAPS) { |
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if (resolved_method.is_null()) { |
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THROW_MSG(vmSymbols::java_lang_InternalError(), "resolved method is null"); |
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} |
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KlassHandle resolved_klass = SystemDictionary::MethodHandle_klass(); |
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assert(resolved_method->intrinsic_id() == vmIntrinsics::_invokeBasic || |
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resolved_method->is_compiled_lambda_form(), |
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"linkMethod must return one of these"); |
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int vtable_index = Method::nonvirtual_vtable_index; |
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assert(resolved_method->vtable_index() == vtable_index, ""); |
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set_common(resolved_klass, resolved_klass, resolved_method, resolved_method, vtable_index, CHECK); |
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_resolved_appendix = resolved_appendix; |
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} |
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void CallInfo::set_common(KlassHandle resolved_klass, KlassHandle selected_klass, methodHandle resolved_method, methodHandle selected_method, int vtable_index, TRAPS) { |
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assert(resolved_method->signature() == selected_method->signature(), "signatures must correspond"); |
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_resolved_klass = resolved_klass; |
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_selected_klass = selected_klass; |
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_resolved_method = resolved_method; |
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_selected_method = selected_method; |
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_vtable_index = vtable_index; |
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_resolved_appendix = Handle(); |
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if (CompilationPolicy::must_be_compiled(selected_method)) { |
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// This path is unusual, mostly used by the '-Xcomp' stress test mode. |
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// Note: with several active threads, the must_be_compiled may be true |
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// while can_be_compiled is false; remove assert |
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// assert(CompilationPolicy::can_be_compiled(selected_method), "cannot compile"); |
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if (THREAD->is_Compiler_thread()) { |
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// don't force compilation, resolve was on behalf of compiler |
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return; |
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} |
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if (InstanceKlass::cast(selected_method->method_holder())->is_not_initialized()) { |
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// 'is_not_initialized' means not only '!is_initialized', but also that |
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// initialization has not been started yet ('!being_initialized') |
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// Do not force compilation of methods in uninitialized classes. |
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// Note that doing this would throw an assert later, |
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// in CompileBroker::compile_method. |
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// We sometimes use the link resolver to do reflective lookups |
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// even before classes are initialized. |
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return; |
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} |
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CompileBroker::compile_method(selected_method, InvocationEntryBci, |
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CompilationPolicy::policy()->initial_compile_level(), |
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methodHandle(), 0, "must_be_compiled", CHECK); |
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} |
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} |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Klass resolution |
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void LinkResolver::check_klass_accessability(KlassHandle ref_klass, KlassHandle sel_klass, TRAPS) { |
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if (!Reflection::verify_class_access(ref_klass(), |
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sel_klass(), |
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true)) { |
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ResourceMark rm(THREAD); |
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Exceptions::fthrow( |
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THREAD_AND_LOCATION, |
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vmSymbols::java_lang_IllegalAccessError(), |
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"tried to access class %s from class %s", |
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sel_klass->external_name(), |
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ref_klass->external_name() |
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); |
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return; |
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} |
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} |
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void LinkResolver::resolve_klass(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { |
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Klass* result_oop = pool->klass_ref_at(index, CHECK); |
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result = KlassHandle(THREAD, result_oop); |
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} |
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void LinkResolver::resolve_klass_no_update(KlassHandle& result, constantPoolHandle pool, int index, TRAPS) { |
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Klass* result_oop = |
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ConstantPool::klass_ref_at_if_loaded_check(pool, index, CHECK); |
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result = KlassHandle(THREAD, result_oop); |
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} |
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//------------------------------------------------------------------------------------------------------------------------ |
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// Method resolution |
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// |
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// According to JVM spec. $5.4.3c & $5.4.3d |
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void LinkResolver::lookup_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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Method* result_oop = klass->uncached_lookup_method(name, signature); |
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if (EnableInvokeDynamic && result_oop != NULL) { |
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vmIntrinsics::ID iid = result_oop->intrinsic_id(); |
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if (MethodHandles::is_signature_polymorphic(iid)) { |
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// Do not link directly to these. The VM must produce a synthetic one using lookup_polymorphic_method. |
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return; |
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} |
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} |
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result = methodHandle(THREAD, result_oop); |
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} |
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// returns first instance method |
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void LinkResolver::lookup_instance_method_in_klasses(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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Method* result_oop = klass->uncached_lookup_method(name, signature); |
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result = methodHandle(THREAD, result_oop); |
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while (!result.is_null() && result->is_static()) { |
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klass = KlassHandle(THREAD, Klass::cast(result->method_holder())->super()); |
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result = methodHandle(THREAD, klass->uncached_lookup_method(name, signature)); |
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} |
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} |
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int LinkResolver::vtable_index_of_miranda_method(KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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ResourceMark rm(THREAD); |
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klassVtable *vt = InstanceKlass::cast(klass())->vtable(); |
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return vt->index_of_miranda(name, signature); |
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} |
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void LinkResolver::lookup_method_in_interfaces(methodHandle& result, KlassHandle klass, Symbol* name, Symbol* signature, TRAPS) { |
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InstanceKlass *ik = InstanceKlass::cast(klass()); |
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result = methodHandle(THREAD, ik->lookup_method_in_all_interfaces(name, signature)); |
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} |
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void LinkResolver::lookup_polymorphic_method(methodHandle& result, |
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KlassHandle klass, Symbol* name, Symbol* full_signature, |
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KlassHandle current_klass, |
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Handle* appendix_result_or_null, |
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TRAPS) { |
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vmIntrinsics::ID iid = MethodHandles::signature_polymorphic_name_id(name); |
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if (TraceMethodHandles) { |
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tty->print_cr("lookup_polymorphic_method iid=%s %s.%s%s", |
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vmIntrinsics::name_at(iid), klass->external_name(), |
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name->as_C_string(), full_signature->as_C_string()); |
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} |
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if (EnableInvokeDynamic && |
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klass() == SystemDictionary::MethodHandle_klass() && |
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iid != vmIntrinsics::_none) { |
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if (MethodHandles::is_signature_polymorphic_intrinsic(iid)) { |
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// Most of these do not need an up-call to Java to resolve, so can be done anywhere. |
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// Do not erase last argument type (MemberName) if it is a static linkTo method. |
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bool keep_last_arg = MethodHandles::is_signature_polymorphic_static(iid); |
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TempNewSymbol basic_signature = |
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MethodHandles::lookup_basic_type_signature(full_signature, keep_last_arg, CHECK); |
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if (TraceMethodHandles) { |
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tty->print_cr("lookup_polymorphic_method %s %s => basic %s", |
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name->as_C_string(), |
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full_signature->as_C_string(), |
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basic_signature->as_C_string()); |
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} |
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result = SystemDictionary::find_method_handle_intrinsic(iid, |
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basic_signature, |
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CHECK); |
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if (result.not_null()) { |
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251 |
assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic"); |
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assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this"); |
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assert(basic_signature == result->signature(), "predict the result signature"); |
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if (TraceMethodHandles) { |
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tty->print("lookup_polymorphic_method => intrinsic "); |
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result->print_on(tty); |
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257 |
} |
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return; |
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} |
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} else if (iid == vmIntrinsics::_invokeGeneric |
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&& !THREAD->is_Compiler_thread() |
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&& appendix_result_or_null != NULL) { |
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// This is a method with type-checking semantics. |
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// We will ask Java code to spin an adapter method for it. |
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if (!MethodHandles::enabled()) { |
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// Make sure the Java part of the runtime has been booted up. |
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Klass* natives = SystemDictionary::MethodHandleNatives_klass(); |
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if (natives == NULL || InstanceKlass::cast(natives)->is_not_initialized()) { |
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SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(), |
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270 |
Handle(), |
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271 |
Handle(), |
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272 |
true, |
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273 |
CHECK); |
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274 |
} |
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275 |
} |
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276 |
|
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277 |
Handle appendix; |
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278 |
result = SystemDictionary::find_method_handle_invoker(name, |
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279 |
full_signature, |
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280 |
current_klass, |
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281 |
&appendix, |
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282 |
CHECK); |
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|
283 |
if (TraceMethodHandles) { |
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|
284 |
tty->print("lookup_polymorphic_method => (via Java) "); |
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|
285 |
result->print_on(tty); |
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|
286 |
tty->print(" lookup_polymorphic_method => appendix = "); |
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287 |
if (appendix.is_null()) tty->print_cr("(none)"); |
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288 |
else appendix->print_on(tty); |
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289 |
} |
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|
290 |
if (result.not_null()) { |
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|
291 |
#ifdef ASSERT |
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|
292 |
TempNewSymbol basic_signature = |
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293 |
MethodHandles::lookup_basic_type_signature(full_signature, CHECK); |
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294 |
int actual_size_of_params = result->size_of_parameters(); |
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295 |
int expected_size_of_params = ArgumentSizeComputer(basic_signature).size(); |
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296 |
// +1 for MethodHandle.this, +1 for trailing MethodType |
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297 |
if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1; |
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298 |
if (appendix.not_null()) expected_size_of_params += 1; |
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|
299 |
if (actual_size_of_params != expected_size_of_params) { |
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300 |
tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string()); |
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301 |
tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid)); |
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|
302 |
result->print(); |
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|
303 |
} |
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|
304 |
assert(actual_size_of_params == expected_size_of_params, |
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|
305 |
err_msg("%d != %d", actual_size_of_params, expected_size_of_params)); |
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|
306 |
#endif //ASSERT |
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|
307 |
|
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|
308 |
assert(appendix_result_or_null != NULL, ""); |
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|
309 |
(*appendix_result_or_null) = appendix; |
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|
310 |
return; |
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|
311 |
} |
2534 | 312 |
} |
313 |
} |
|
314 |
} |
|
315 |
||
1 | 316 |
void LinkResolver::check_method_accessability(KlassHandle ref_klass, |
317 |
KlassHandle resolved_klass, |
|
318 |
KlassHandle sel_klass, |
|
319 |
methodHandle sel_method, |
|
320 |
TRAPS) { |
|
321 |
||
322 |
AccessFlags flags = sel_method->access_flags(); |
|
323 |
||
324 |
// Special case: arrays always override "clone". JVMS 2.15. |
|
325 |
// If the resolved klass is an array class, and the declaring class |
|
326 |
// is java.lang.Object and the method is "clone", set the flags |
|
327 |
// to public. |
|
328 |
// |
|
329 |
// We'll check for the method name first, as that's most likely |
|
330 |
// to be false (so we'll short-circuit out of these tests). |
|
331 |
if (sel_method->name() == vmSymbols::clone_name() && |
|
4571 | 332 |
sel_klass() == SystemDictionary::Object_klass() && |
1 | 333 |
resolved_klass->oop_is_array()) { |
334 |
// We need to change "protected" to "public". |
|
335 |
assert(flags.is_protected(), "clone not protected?"); |
|
336 |
jint new_flags = flags.as_int(); |
|
337 |
new_flags = new_flags & (~JVM_ACC_PROTECTED); |
|
338 |
new_flags = new_flags | JVM_ACC_PUBLIC; |
|
339 |
flags.set_flags(new_flags); |
|
340 |
} |
|
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|
341 |
// assert(extra_arg_result_or_null != NULL, "must be able to return extra argument"); |
1 | 342 |
|
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|
343 |
if (!Reflection::verify_field_access(ref_klass(), |
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344 |
resolved_klass(), |
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|
345 |
sel_klass(), |
1 | 346 |
flags, |
347 |
true)) { |
|
348 |
ResourceMark rm(THREAD); |
|
349 |
Exceptions::fthrow( |
|
350 |
THREAD_AND_LOCATION, |
|
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|
351 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 352 |
"tried to access method %s.%s%s from class %s", |
353 |
sel_klass->external_name(), |
|
354 |
sel_method->name()->as_C_string(), |
|
355 |
sel_method->signature()->as_C_string(), |
|
356 |
ref_klass->external_name() |
|
357 |
); |
|
358 |
return; |
|
359 |
} |
|
360 |
} |
|
361 |
||
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|
362 |
void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass, |
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|
363 |
Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) { |
1 | 364 |
|
365 |
// resolve klass |
|
13391
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|
366 |
if (code == Bytecodes::_invokedynamic) { |
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367 |
resolved_klass = SystemDictionary::MethodHandle_klass(); |
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|
368 |
Symbol* method_name = vmSymbols::invoke_name(); |
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|
369 |
Symbol* method_signature = pool->signature_ref_at(index); |
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|
370 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
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|
371 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
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|
372 |
return; |
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|
373 |
} |
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374 |
|
1 | 375 |
resolve_klass(resolved_klass, pool, index, CHECK); |
376 |
||
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377 |
Symbol* method_name = pool->name_ref_at(index); |
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378 |
Symbol* method_signature = pool->signature_ref_at(index); |
1 | 379 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
380 |
||
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381 |
if (pool->has_preresolution() |
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382 |
|| (resolved_klass() == SystemDictionary::MethodHandle_klass() && |
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|
383 |
MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) { |
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|
384 |
Method* result_oop = ConstantPool::method_at_if_loaded(pool, index); |
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|
385 |
if (result_oop != NULL) { |
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|
386 |
resolved_method = methodHandle(THREAD, result_oop); |
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changeset
|
387 |
return; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
jrose
parents:
9967
diff
changeset
|
388 |
} |
d84de97ad847
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jrose
parents:
9967
diff
changeset
|
389 |
} |
d84de97ad847
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jrose
parents:
9967
diff
changeset
|
390 |
|
13391
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twisti
parents:
10565
diff
changeset
|
391 |
if (code == Bytecodes::_invokeinterface) { |
30245956af37
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parents:
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diff
changeset
|
392 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
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
|
393 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
394 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
395 |
} |
1 | 396 |
} |
397 |
||
398 |
void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
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changeset
|
399 |
Symbol* method_name, Symbol* method_signature, |
1 | 400 |
KlassHandle current_klass, bool check_access, TRAPS) { |
401 |
||
402 |
// 1. check if klass is not interface |
|
403 |
if (resolved_klass->is_interface()) { |
|
9425
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|
404 |
ResourceMark rm(THREAD); |
1 | 405 |
char buf[200]; |
406 |
jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", Klass::cast(resolved_klass())->external_name()); |
|
407 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
408 |
} |
|
409 |
||
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
|
410 |
Handle nested_exception; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
411 |
|
1 | 412 |
// 2. lookup method in resolved klass and its super klasses |
413 |
lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
414 |
||
415 |
if (resolved_method.is_null()) { // not found in the class hierarchy |
|
416 |
// 3. lookup method in all the interfaces implemented by the resolved klass |
|
417 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
418 |
||
419 |
if (resolved_method.is_null()) { |
|
13391
30245956af37
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parents:
10565
diff
changeset
|
420 |
// JSR 292: see if this is an implicitly generated method MethodHandle.linkToVirtual(*...), etc |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
421 |
lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature, |
30245956af37
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diff
changeset
|
422 |
current_klass, (Handle*)NULL, THREAD); |
30245956af37
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changeset
|
423 |
if (HAS_PENDING_EXCEPTION) { |
30245956af37
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diff
changeset
|
424 |
nested_exception = Handle(THREAD, PENDING_EXCEPTION); |
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
|
425 |
CLEAR_PENDING_EXCEPTION; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
426 |
} |
2534 | 427 |
} |
428 |
||
429 |
if (resolved_method.is_null()) { |
|
1 | 430 |
// 4. method lookup failed |
431 |
ResourceMark rm(THREAD); |
|
13391
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twisti
parents:
10565
diff
changeset
|
432 |
THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(), |
13728
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diff
changeset
|
433 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
13391
30245956af37
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parents:
10565
diff
changeset
|
434 |
method_name, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
435 |
method_signature), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
436 |
nested_exception); |
1 | 437 |
} |
438 |
} |
|
439 |
||
440 |
// 5. check if method is concrete |
|
441 |
if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) { |
|
442 |
ResourceMark rm(THREAD); |
|
443 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
882756847a04
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parents:
13396
diff
changeset
|
444 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
445 |
method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
446 |
method_signature)); |
1 | 447 |
} |
448 |
||
449 |
// 6. access checks, access checking may be turned off when calling from within the VM. |
|
450 |
if (check_access) { |
|
451 |
assert(current_klass.not_null() , "current_klass should not be null"); |
|
452 |
||
453 |
// check if method can be accessed by the referring class |
|
454 |
check_method_accessability(current_klass, |
|
455 |
resolved_klass, |
|
456 |
KlassHandle(THREAD, resolved_method->method_holder()), |
|
457 |
resolved_method, |
|
458 |
CHECK); |
|
459 |
||
460 |
// check loader constraints |
|
13728
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parents:
13396
diff
changeset
|
461 |
Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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parents:
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diff
changeset
|
462 |
Handle class_loader (THREAD, InstanceKlass::cast(resolved_method->method_holder())->class_loader()); |
1 | 463 |
{ |
464 |
ResourceMark rm(THREAD); |
|
465 |
char* failed_type_name = |
|
466 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
|
467 |
class_loader, true, CHECK); |
|
468 |
if (failed_type_name != NULL) { |
|
469 |
const char* msg = "loader constraint violation: when resolving method" |
|
470 |
" \"%s\" the class loader (instance of %s) of the current class, %s," |
|
471 |
" and the class loader (instance of %s) for resolved class, %s, have" |
|
472 |
" different Class objects for the type %s used in the signature"; |
|
13728
882756847a04
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coleenp
parents:
13396
diff
changeset
|
473 |
char* sig = Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name,method_signature); |
1 | 474 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
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coleenp
parents:
13396
diff
changeset
|
475 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 476 |
const char* loader2 = SystemDictionary::loader_name(class_loader()); |
13728
882756847a04
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coleenp
parents:
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diff
changeset
|
477 |
char* resolved = InstanceKlass::cast(resolved_klass())->name()->as_C_string(); |
1 | 478 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
479 |
strlen(current) + strlen(loader2) + strlen(resolved) + |
|
480 |
strlen(failed_type_name); |
|
481 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
482 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
483 |
resolved, failed_type_name); |
|
484 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
485 |
} |
|
486 |
} |
|
487 |
} |
|
488 |
} |
|
489 |
||
490 |
void LinkResolver::resolve_interface_method(methodHandle& resolved_method, |
|
491 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
492 |
Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
493 |
Symbol* method_signature, |
1 | 494 |
KlassHandle current_klass, |
495 |
bool check_access, TRAPS) { |
|
496 |
||
497 |
// check if klass is interface |
|
498 |
if (!resolved_klass->is_interface()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
499 |
ResourceMark rm(THREAD); |
1 | 500 |
char buf[200]; |
501 |
jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", Klass::cast(resolved_klass())->external_name()); |
|
502 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
503 |
} |
|
504 |
||
505 |
// lookup method in this interface or its super, java.lang.Object |
|
506 |
lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
507 |
||
508 |
if (resolved_method.is_null()) { |
|
509 |
// lookup method in all the super-interfaces |
|
510 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
511 |
if (resolved_method.is_null()) { |
|
512 |
// no method found |
|
513 |
ResourceMark rm(THREAD); |
|
514 |
THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
515 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
516 |
method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
517 |
method_signature)); |
1 | 518 |
} |
519 |
} |
|
520 |
||
521 |
if (check_access) { |
|
522 |
HandleMark hm(THREAD); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
523 |
Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
524 |
Handle class_loader (THREAD, InstanceKlass::cast(resolved_method->method_holder())->class_loader()); |
1 | 525 |
{ |
526 |
ResourceMark rm(THREAD); |
|
527 |
char* failed_type_name = |
|
528 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
|
529 |
class_loader, true, CHECK); |
|
530 |
if (failed_type_name != NULL) { |
|
531 |
const char* msg = "loader constraint violation: when resolving " |
|
532 |
"interface method \"%s\" the class loader (instance of %s) of the " |
|
533 |
"current class, %s, and the class loader (instance of %s) for " |
|
534 |
"resolved class, %s, have different Class objects for the type %s " |
|
535 |
"used in the signature"; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
536 |
char* sig = Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name,method_signature); |
1 | 537 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
538 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 539 |
const char* loader2 = SystemDictionary::loader_name(class_loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
540 |
char* resolved = InstanceKlass::cast(resolved_klass())->name()->as_C_string(); |
1 | 541 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
542 |
strlen(current) + strlen(loader2) + strlen(resolved) + |
|
543 |
strlen(failed_type_name); |
|
544 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
545 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
546 |
resolved, failed_type_name); |
|
547 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
548 |
} |
|
549 |
} |
|
550 |
} |
|
551 |
} |
|
552 |
||
553 |
//------------------------------------------------------------------------------------------------------------------------ |
|
554 |
// Field resolution |
|
555 |
||
556 |
void LinkResolver::check_field_accessability(KlassHandle ref_klass, |
|
557 |
KlassHandle resolved_klass, |
|
558 |
KlassHandle sel_klass, |
|
559 |
fieldDescriptor& fd, |
|
560 |
TRAPS) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
561 |
if (!Reflection::verify_field_access(ref_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
562 |
resolved_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
563 |
sel_klass(), |
1 | 564 |
fd.access_flags(), |
565 |
true)) { |
|
566 |
ResourceMark rm(THREAD); |
|
567 |
Exceptions::fthrow( |
|
568 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
569 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 570 |
"tried to access field %s.%s from class %s", |
571 |
sel_klass->external_name(), |
|
572 |
fd.name()->as_C_string(), |
|
573 |
ref_klass->external_name() |
|
574 |
); |
|
575 |
return; |
|
576 |
} |
|
577 |
} |
|
578 |
||
579 |
void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS) { |
|
580 |
resolve_field(result, pool, index, byte, check_only, true, CHECK); |
|
581 |
} |
|
582 |
||
583 |
void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS) { |
|
584 |
assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic || |
|
585 |
byte == Bytecodes::_getfield || byte == Bytecodes::_putfield, "bad bytecode"); |
|
586 |
||
587 |
bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); |
|
588 |
bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic); |
|
589 |
||
590 |
// resolve specified klass |
|
591 |
KlassHandle resolved_klass; |
|
592 |
if (update_pool) { |
|
593 |
resolve_klass(resolved_klass, pool, index, CHECK); |
|
594 |
} else { |
|
595 |
resolve_klass_no_update(resolved_klass, pool, index, CHECK); |
|
596 |
} |
|
597 |
// Load these early in case the resolve of the containing klass fails |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
598 |
Symbol* field = pool->name_ref_at(index); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
599 |
Symbol* sig = pool->signature_ref_at(index); |
1 | 600 |
// Check if there's a resolved klass containing the field |
601 |
if( resolved_klass.is_null() ) { |
|
602 |
ResourceMark rm(THREAD); |
|
603 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
604 |
} |
|
605 |
||
606 |
// Resolve instance field |
|
607 |
fieldDescriptor fd; // find_field initializes fd if found |
|
13728
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coleenp
parents:
13396
diff
changeset
|
608 |
KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); |
1 | 609 |
// check if field exists; i.e., if a klass containing the field def has been selected |
610 |
if (sel_klass.is_null()){ |
|
611 |
ResourceMark rm(THREAD); |
|
612 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
613 |
} |
|
614 |
||
615 |
// check access |
|
616 |
KlassHandle ref_klass(THREAD, pool->pool_holder()); |
|
617 |
check_field_accessability(ref_klass, resolved_klass, sel_klass, fd, CHECK); |
|
618 |
||
619 |
// check for errors |
|
620 |
if (is_static != fd.is_static()) { |
|
9425
6da66b869573
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parents:
9116
diff
changeset
|
621 |
ResourceMark rm(THREAD); |
1 | 622 |
char msg[200]; |
623 |
jio_snprintf(msg, sizeof(msg), "Expected %s field %s.%s", is_static ? "static" : "non-static", Klass::cast(resolved_klass())->external_name(), fd.name()->as_C_string()); |
|
624 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); |
|
625 |
} |
|
626 |
||
627 |
// Final fields can only be accessed from its own class. |
|
628 |
if (is_put && fd.access_flags().is_final() && sel_klass() != pool->pool_holder()) { |
|
629 |
THROW(vmSymbols::java_lang_IllegalAccessError()); |
|
630 |
} |
|
631 |
||
632 |
// initialize resolved_klass if necessary |
|
633 |
// note 1: the klass which declared the field must be initialized (i.e, sel_klass) |
|
634 |
// according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) |
|
635 |
// |
|
636 |
// note 2: we don't want to force initialization if we are just checking |
|
637 |
// if the field access is legal; e.g., during compilation |
|
638 |
if (is_static && !check_only) { |
|
639 |
sel_klass->initialize(CHECK); |
|
640 |
} |
|
641 |
||
642 |
{ |
|
643 |
HandleMark hm(THREAD); |
|
13728
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coleenp
parents:
13396
diff
changeset
|
644 |
Handle ref_loader (THREAD, InstanceKlass::cast(ref_klass())->class_loader()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
645 |
Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader()); |
8076
96d498ec7ae1
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coleenp
parents:
7397
diff
changeset
|
646 |
Symbol* signature_ref = pool->signature_ref_at(index); |
1 | 647 |
{ |
648 |
ResourceMark rm(THREAD); |
|
649 |
char* failed_type_name = |
|
650 |
SystemDictionary::check_signature_loaders(signature_ref, |
|
651 |
ref_loader, sel_loader, |
|
652 |
false, |
|
653 |
CHECK); |
|
654 |
if (failed_type_name != NULL) { |
|
655 |
const char* msg = "loader constraint violation: when resolving field" |
|
656 |
" \"%s\" the class loader (instance of %s) of the referring class, " |
|
657 |
"%s, and the class loader (instance of %s) for the field's resolved " |
|
658 |
"type, %s, have different Class objects for that type"; |
|
8076
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|
659 |
char* field_name = field->as_C_string(); |
1 | 660 |
const char* loader1 = SystemDictionary::loader_name(ref_loader()); |
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changeset
|
661 |
char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string(); |
1 | 662 |
const char* loader2 = SystemDictionary::loader_name(sel_loader()); |
663 |
size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) + |
|
664 |
strlen(sel) + strlen(loader2) + strlen(failed_type_name); |
|
665 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
666 |
jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2, |
|
667 |
failed_type_name); |
|
668 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
669 |
} |
|
670 |
} |
|
671 |
} |
|
672 |
||
673 |
// return information. note that the klass is set to the actual klass containing the |
|
674 |
// field, otherwise access of static fields in superclasses will not work. |
|
675 |
KlassHandle holder (THREAD, fd.field_holder()); |
|
8076
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|
676 |
Symbol* name = fd.name(); |
1 | 677 |
result.set(holder, name, fd.index(), fd.offset(), fd.field_type(), fd.access_flags()); |
678 |
} |
|
679 |
||
680 |
||
681 |
//------------------------------------------------------------------------------------------------------------------------ |
|
682 |
// Invoke resolution |
|
683 |
// |
|
684 |
// Naming conventions: |
|
685 |
// |
|
686 |
// resolved_method the specified method (i.e., static receiver specified via constant pool index) |
|
687 |
// sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) |
|
688 |
// resolved_klass the specified klass (i.e., specified via constant pool index) |
|
689 |
// recv_klass the receiver klass |
|
690 |
||
691 |
||
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|
692 |
void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, |
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changeset
|
693 |
Symbol* method_signature, KlassHandle current_klass, |
1 | 694 |
bool check_access, bool initialize_class, TRAPS) { |
695 |
methodHandle resolved_method; |
|
696 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
697 |
resolved_klass = KlassHandle(THREAD, Klass::cast(resolved_method->method_holder())); |
|
698 |
||
699 |
// Initialize klass (this should only happen if everything is ok) |
|
700 |
if (initialize_class && resolved_klass->should_be_initialized()) { |
|
701 |
resolved_klass->initialize(CHECK); |
|
702 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
703 |
} |
|
704 |
||
705 |
// setup result |
|
706 |
result.set_static(resolved_klass, resolved_method, CHECK); |
|
707 |
} |
|
708 |
||
709 |
// throws linktime exceptions |
|
710 |
void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
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changeset
|
711 |
Symbol* method_name, Symbol* method_signature, |
1 | 712 |
KlassHandle current_klass, bool check_access, TRAPS) { |
713 |
||
714 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
715 |
assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); |
|
716 |
||
717 |
// check if static |
|
718 |
if (!resolved_method->is_static()) { |
|
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changeset
|
719 |
ResourceMark rm(THREAD); |
1 | 720 |
char buf[200]; |
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changeset
|
721 |
jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 722 |
resolved_method->name(), |
723 |
resolved_method->signature())); |
|
724 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
725 |
} |
|
726 |
} |
|
727 |
||
728 |
||
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changeset
|
729 |
void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, |
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changeset
|
730 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 731 |
methodHandle resolved_method; |
732 |
linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
733 |
runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK); |
|
734 |
} |
|
735 |
||
736 |
// throws linktime exceptions |
|
737 |
void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
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changeset
|
738 |
Symbol* method_name, Symbol* method_signature, |
1 | 739 |
KlassHandle current_klass, bool check_access, TRAPS) { |
740 |
||
741 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
742 |
||
743 |
// check if method name is <init>, that it is found in same klass as static type |
|
744 |
if (resolved_method->name() == vmSymbols::object_initializer_name() && |
|
745 |
resolved_method->method_holder() != resolved_klass()) { |
|
746 |
ResourceMark rm(THREAD); |
|
747 |
Exceptions::fthrow( |
|
748 |
THREAD_AND_LOCATION, |
|
8076
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changeset
|
749 |
vmSymbols::java_lang_NoSuchMethodError(), |
1 | 750 |
"%s: method %s%s not found", |
751 |
resolved_klass->external_name(), |
|
752 |
resolved_method->name()->as_C_string(), |
|
753 |
resolved_method->signature()->as_C_string() |
|
754 |
); |
|
755 |
return; |
|
756 |
} |
|
757 |
||
758 |
// check if not static |
|
759 |
if (resolved_method->is_static()) { |
|
9425
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changeset
|
760 |
ResourceMark rm(THREAD); |
1 | 761 |
char buf[200]; |
762 |
jio_snprintf(buf, sizeof(buf), |
|
763 |
"Expecting non-static method %s", |
|
13728
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changeset
|
764 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 765 |
resolved_method->name(), |
766 |
resolved_method->signature())); |
|
767 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
768 |
} |
|
769 |
} |
|
770 |
||
771 |
// throws runtime exceptions |
|
772 |
void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
773 |
KlassHandle current_klass, bool check_access, TRAPS) { |
|
774 |
||
775 |
// resolved method is selected method unless we have an old-style lookup |
|
776 |
methodHandle sel_method(THREAD, resolved_method()); |
|
777 |
||
778 |
// check if this is an old-style super call and do a new lookup if so |
|
779 |
{ KlassHandle method_klass = KlassHandle(THREAD, |
|
780 |
resolved_method->method_holder()); |
|
781 |
||
782 |
if (check_access && |
|
783 |
// a) check if ACC_SUPER flag is set for the current class |
|
784 |
current_klass->is_super() && |
|
785 |
// b) check if the method class is a superclass of the current class (superclass relation is not reflexive!) |
|
786 |
current_klass->is_subtype_of(method_klass()) && current_klass() != method_klass() && |
|
787 |
// c) check if the method is not <init> |
|
788 |
resolved_method->name() != vmSymbols::object_initializer_name()) { |
|
789 |
// Lookup super method |
|
790 |
KlassHandle super_klass(THREAD, current_klass->super()); |
|
791 |
lookup_instance_method_in_klasses(sel_method, super_klass, |
|
8076
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|
792 |
resolved_method->name(), |
96d498ec7ae1
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diff
changeset
|
793 |
resolved_method->signature(), CHECK); |
1 | 794 |
// check if found |
795 |
if (sel_method.is_null()) { |
|
796 |
ResourceMark rm(THREAD); |
|
797 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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diff
changeset
|
798 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 799 |
resolved_method->name(), |
800 |
resolved_method->signature())); |
|
801 |
} |
|
802 |
} |
|
803 |
} |
|
804 |
||
805 |
// check if not static |
|
806 |
if (sel_method->is_static()) { |
|
9425
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diff
changeset
|
807 |
ResourceMark rm(THREAD); |
1 | 808 |
char buf[200]; |
13728
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diff
changeset
|
809 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 810 |
resolved_method->name(), |
811 |
resolved_method->signature())); |
|
812 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
813 |
} |
|
814 |
||
815 |
// check if abstract |
|
816 |
if (sel_method->is_abstract()) { |
|
817 |
ResourceMark rm(THREAD); |
|
818 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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diff
changeset
|
819 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 820 |
sel_method->name(), |
821 |
sel_method->signature())); |
|
822 |
} |
|
823 |
||
824 |
// setup result |
|
825 |
result.set_static(resolved_klass, sel_method, CHECK); |
|
826 |
} |
|
827 |
||
828 |
void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, KlassHandle resolved_klass, |
|
8076
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7397
diff
changeset
|
829 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 830 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
831 |
methodHandle resolved_method; |
|
832 |
linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
833 |
runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK); |
|
834 |
} |
|
835 |
||
836 |
// throws linktime exceptions |
|
837 |
void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, KlassHandle resolved_klass, |
|
8076
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diff
changeset
|
838 |
Symbol* method_name, Symbol* method_signature, |
1 | 839 |
KlassHandle current_klass, bool check_access, TRAPS) { |
840 |
// normal method resolution |
|
841 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
842 |
||
843 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
844 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
845 |
||
846 |
// check if not static |
|
847 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
848 |
ResourceMark rm(THREAD); |
1 | 849 |
char buf[200]; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
850 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 851 |
resolved_method->name(), |
852 |
resolved_method->signature())); |
|
853 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
854 |
} |
|
855 |
} |
|
856 |
||
857 |
// throws runtime exceptions |
|
858 |
void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, |
|
859 |
methodHandle resolved_method, |
|
860 |
KlassHandle resolved_klass, |
|
861 |
Handle recv, |
|
862 |
KlassHandle recv_klass, |
|
863 |
bool check_null_and_abstract, |
|
864 |
TRAPS) { |
|
865 |
||
866 |
// setup default return values |
|
13728
882756847a04
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coleenp
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13396
diff
changeset
|
867 |
int vtable_index = Method::invalid_vtable_index; |
1 | 868 |
methodHandle selected_method; |
869 |
||
870 |
assert(recv.is_null() || recv->is_oop(), "receiver is not an oop"); |
|
871 |
||
872 |
// runtime method resolution |
|
873 |
if (check_null_and_abstract && recv.is_null()) { // check if receiver exists |
|
874 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
875 |
} |
|
876 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
877 |
// Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s |
1 | 878 |
// has not been rewritten, and the vtable initialized. |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13396
diff
changeset
|
879 |
assert(InstanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); |
1 | 880 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
881 |
// Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s |
1 | 882 |
// has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since |
883 |
// a missing receiver might result in a bogus lookup. |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
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13396
diff
changeset
|
884 |
assert(InstanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); |
1 | 885 |
|
886 |
// do lookup based on receiver klass using the vtable index |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
887 |
if (resolved_method->method_holder()->is_interface()) { // miranda method |
1 | 888 |
vtable_index = vtable_index_of_miranda_method(resolved_klass, |
8076
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6990754: Use native memory and reference counting to implement SymbolTable
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diff
changeset
|
889 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7397
diff
changeset
|
890 |
resolved_method->signature(), CHECK); |
1 | 891 |
assert(vtable_index >= 0 , "we should have valid vtable index at this point"); |
892 |
||
13728
882756847a04
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diff
changeset
|
893 |
InstanceKlass* inst = InstanceKlass::cast(recv_klass()); |
1 | 894 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
895 |
} else { |
|
896 |
// at this point we are sure that resolved_method is virtual and not |
|
897 |
// a miranda method; therefore, it must have a valid vtable index. |
|
898 |
vtable_index = resolved_method->vtable_index(); |
|
899 |
// We could get a negative vtable_index for final methods, |
|
900 |
// because as an optimization they are they are never put in the vtable, |
|
901 |
// unless they override an existing method. |
|
902 |
// If we do get a negative, it means the resolved method is the the selected |
|
903 |
// method, and it can never be changed by an override. |
|
13728
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diff
changeset
|
904 |
if (vtable_index == Method::nonvirtual_vtable_index) { |
1 | 905 |
assert(resolved_method->can_be_statically_bound(), "cannot override this method"); |
906 |
selected_method = resolved_method; |
|
907 |
} else { |
|
908 |
// recv_klass might be an arrayKlassOop but all vtables start at |
|
909 |
// the same place. The cast is to avoid virtual call and assertion. |
|
13728
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coleenp
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13396
diff
changeset
|
910 |
InstanceKlass* inst = (InstanceKlass*)recv_klass(); |
1 | 911 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
912 |
} |
|
913 |
} |
|
914 |
||
915 |
// check if method exists |
|
916 |
if (selected_method.is_null()) { |
|
917 |
ResourceMark rm(THREAD); |
|
918 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13396
diff
changeset
|
919 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 920 |
resolved_method->name(), |
921 |
resolved_method->signature())); |
|
922 |
} |
|
923 |
||
924 |
// check if abstract |
|
925 |
if (check_null_and_abstract && selected_method->is_abstract()) { |
|
926 |
ResourceMark rm(THREAD); |
|
927 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13396
diff
changeset
|
928 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 929 |
selected_method->name(), |
930 |
selected_method->signature())); |
|
931 |
} |
|
932 |
||
933 |
// setup result |
|
934 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); |
|
935 |
} |
|
936 |
||
937 |
void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7397
diff
changeset
|
938 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 939 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
940 |
methodHandle resolved_method; |
|
941 |
linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
942 |
runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK); |
|
943 |
} |
|
944 |
||
945 |
// throws linktime exceptions |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7397
diff
changeset
|
946 |
void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, |
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diff
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|
947 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 948 |
// normal interface method resolution |
949 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
950 |
||
951 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
952 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
953 |
} |
|
954 |
||
955 |
// throws runtime exceptions |
|
956 |
void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
957 |
Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) { |
|
958 |
// check if receiver exists |
|
959 |
if (check_null_and_abstract && recv.is_null()) { |
|
960 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
961 |
} |
|
962 |
||
963 |
// check if receiver klass implements the resolved interface |
|
964 |
if (!recv_klass->is_subtype_of(resolved_klass())) { |
|
9425
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diff
changeset
|
965 |
ResourceMark rm(THREAD); |
1 | 966 |
char buf[200]; |
967 |
jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", |
|
968 |
(Klass::cast(recv_klass()))->external_name(), |
|
969 |
(Klass::cast(resolved_klass()))->external_name()); |
|
970 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
971 |
} |
|
972 |
// do lookup based on receiver klass |
|
973 |
methodHandle sel_method; |
|
974 |
lookup_instance_method_in_klasses(sel_method, recv_klass, |
|
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|
975 |
resolved_method->name(), |
96d498ec7ae1
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changeset
|
976 |
resolved_method->signature(), CHECK); |
1 | 977 |
// check if method exists |
978 |
if (sel_method.is_null()) { |
|
979 |
ResourceMark rm(THREAD); |
|
980 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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changeset
|
981 |
Method::name_and_sig_as_C_string(Klass::cast(recv_klass()), |
1 | 982 |
resolved_method->name(), |
983 |
resolved_method->signature())); |
|
984 |
} |
|
985 |
// check if public |
|
986 |
if (!sel_method->is_public()) { |
|
987 |
ResourceMark rm(THREAD); |
|
988 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), |
|
13728
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changeset
|
989 |
Method::name_and_sig_as_C_string(Klass::cast(recv_klass()), |
1 | 990 |
sel_method->name(), |
991 |
sel_method->signature())); |
|
992 |
} |
|
993 |
// check if abstract |
|
994 |
if (check_null_and_abstract && sel_method->is_abstract()) { |
|
995 |
ResourceMark rm(THREAD); |
|
996 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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changeset
|
997 |
Method::name_and_sig_as_C_string(Klass::cast(recv_klass()), |
1 | 998 |
sel_method->name(), |
999 |
sel_method->signature())); |
|
1000 |
} |
|
1001 |
// setup result |
|
1002 |
result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, CHECK); |
|
1003 |
} |
|
1004 |
||
1005 |
||
1006 |
methodHandle LinkResolver::linktime_resolve_interface_method_or_null( |
|
1007 |
KlassHandle resolved_klass, |
|
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|
1008 |
Symbol* method_name, |
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|
1009 |
Symbol* method_signature, |
1 | 1010 |
KlassHandle current_klass, |
1011 |
bool check_access) { |
|
1012 |
EXCEPTION_MARK; |
|
1013 |
methodHandle method_result; |
|
1014 |
linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1015 |
if (HAS_PENDING_EXCEPTION) { |
|
1016 |
CLEAR_PENDING_EXCEPTION; |
|
1017 |
return methodHandle(); |
|
1018 |
} else { |
|
1019 |
return method_result; |
|
1020 |
} |
|
1021 |
} |
|
1022 |
||
1023 |
methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( |
|
1024 |
KlassHandle resolved_klass, |
|
8076
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changeset
|
1025 |
Symbol* method_name, |
96d498ec7ae1
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diff
changeset
|
1026 |
Symbol* method_signature, |
1 | 1027 |
KlassHandle current_klass, |
1028 |
bool check_access) { |
|
1029 |
EXCEPTION_MARK; |
|
1030 |
methodHandle method_result; |
|
1031 |
linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1032 |
if (HAS_PENDING_EXCEPTION) { |
|
1033 |
CLEAR_PENDING_EXCEPTION; |
|
1034 |
return methodHandle(); |
|
1035 |
} else { |
|
1036 |
return method_result; |
|
1037 |
} |
|
1038 |
} |
|
1039 |
||
1040 |
methodHandle LinkResolver::resolve_virtual_call_or_null( |
|
1041 |
KlassHandle receiver_klass, |
|
1042 |
KlassHandle resolved_klass, |
|
8076
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coleenp
parents:
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diff
changeset
|
1043 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
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7397
diff
changeset
|
1044 |
Symbol* signature, |
1 | 1045 |
KlassHandle current_klass) { |
1046 |
EXCEPTION_MARK; |
|
1047 |
CallInfo info; |
|
1048 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1049 |
if (HAS_PENDING_EXCEPTION) { |
|
1050 |
CLEAR_PENDING_EXCEPTION; |
|
1051 |
return methodHandle(); |
|
1052 |
} |
|
1053 |
return info.selected_method(); |
|
1054 |
} |
|
1055 |
||
1056 |
methodHandle LinkResolver::resolve_interface_call_or_null( |
|
1057 |
KlassHandle receiver_klass, |
|
1058 |
KlassHandle resolved_klass, |
|
8076
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diff
changeset
|
1059 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
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7397
diff
changeset
|
1060 |
Symbol* signature, |
1 | 1061 |
KlassHandle current_klass) { |
1062 |
EXCEPTION_MARK; |
|
1063 |
CallInfo info; |
|
1064 |
resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1065 |
if (HAS_PENDING_EXCEPTION) { |
|
1066 |
CLEAR_PENDING_EXCEPTION; |
|
1067 |
return methodHandle(); |
|
1068 |
} |
|
1069 |
return info.selected_method(); |
|
1070 |
} |
|
1071 |
||
1072 |
int LinkResolver::resolve_virtual_vtable_index( |
|
1073 |
KlassHandle receiver_klass, |
|
1074 |
KlassHandle resolved_klass, |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
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diff
changeset
|
1075 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1076 |
Symbol* signature, |
1 | 1077 |
KlassHandle current_klass) { |
1078 |
EXCEPTION_MARK; |
|
1079 |
CallInfo info; |
|
1080 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1081 |
if (HAS_PENDING_EXCEPTION) { |
|
1082 |
CLEAR_PENDING_EXCEPTION; |
|
13728
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parents:
13396
diff
changeset
|
1083 |
return Method::invalid_vtable_index; |
1 | 1084 |
} |
1085 |
return info.vtable_index(); |
|
1086 |
} |
|
1087 |
||
1088 |
methodHandle LinkResolver::resolve_static_call_or_null( |
|
1089 |
KlassHandle resolved_klass, |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
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7397
diff
changeset
|
1090 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1091 |
Symbol* signature, |
1 | 1092 |
KlassHandle current_klass) { |
1093 |
EXCEPTION_MARK; |
|
1094 |
CallInfo info; |
|
1095 |
resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1096 |
if (HAS_PENDING_EXCEPTION) { |
|
1097 |
CLEAR_PENDING_EXCEPTION; |
|
1098 |
return methodHandle(); |
|
1099 |
} |
|
1100 |
return info.selected_method(); |
|
1101 |
} |
|
1102 |
||
8076
96d498ec7ae1
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coleenp
parents:
7397
diff
changeset
|
1103 |
methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature, |
1 | 1104 |
KlassHandle current_klass) { |
1105 |
EXCEPTION_MARK; |
|
1106 |
CallInfo info; |
|
1107 |
resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD); |
|
1108 |
if (HAS_PENDING_EXCEPTION) { |
|
1109 |
CLEAR_PENDING_EXCEPTION; |
|
1110 |
return methodHandle(); |
|
1111 |
} |
|
1112 |
return info.selected_method(); |
|
1113 |
} |
|
1114 |
||
1115 |
||
1116 |
||
1117 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1118 |
// ConstantPool entries |
|
1119 |
||
1120 |
void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { |
|
1121 |
switch (byte) { |
|
1122 |
case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; |
|
1123 |
case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break; |
|
1124 |
case Bytecodes::_invokevirtual : resolve_invokevirtual (result, recv, pool, index, CHECK); break; |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1125 |
case Bytecodes::_invokehandle : resolve_invokehandle (result, pool, index, CHECK); break; |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1126 |
case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
1 | 1127 |
case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; |
1128 |
} |
|
1129 |
return; |
|
1130 |
} |
|
1131 |
||
8076
96d498ec7ae1
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coleenp
parents:
7397
diff
changeset
|
1132 |
void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, |
1 | 1133 |
KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) { |
1134 |
// resolve klass |
|
1135 |
resolve_klass(resolved_klass, pool, index, CHECK); |
|
1136 |
||
1137 |
// Get name, signature, and static klass |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1138 |
method_name = pool->name_ref_at(index); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
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7397
diff
changeset
|
1139 |
method_signature = pool->signature_ref_at(index); |
1 | 1140 |
current_klass = KlassHandle(THREAD, pool->pool_holder()); |
1141 |
} |
|
1142 |
||
1143 |
||
1144 |
void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1145 |
KlassHandle resolved_klass; |
|
8076
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coleenp
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7397
diff
changeset
|
1146 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1147 |
Symbol* method_signature = NULL; |
1 | 1148 |
KlassHandle current_klass; |
1149 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1150 |
resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
|
1151 |
} |
|
1152 |
||
1153 |
||
1154 |
void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1155 |
KlassHandle resolved_klass; |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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7397
diff
changeset
|
1156 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1157 |
Symbol* method_signature = NULL; |
1 | 1158 |
KlassHandle current_klass; |
1159 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1160 |
resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
|
1161 |
} |
|
1162 |
||
1163 |
||
1164 |
void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, |
|
1165 |
constantPoolHandle pool, int index, |
|
1166 |
TRAPS) { |
|
1167 |
||
1168 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1169 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1170 |
Symbol* method_signature = NULL; |
1 | 1171 |
KlassHandle current_klass; |
1172 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
13728
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parents:
13396
diff
changeset
|
1173 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1174 |
resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1175 |
} |
|
1176 |
||
1177 |
||
1178 |
void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) { |
|
1179 |
KlassHandle resolved_klass; |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
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7397
diff
changeset
|
1180 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1181 |
Symbol* method_signature = NULL; |
1 | 1182 |
KlassHandle current_klass; |
1183 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
13728
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parents:
13396
diff
changeset
|
1184 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1185 |
resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1186 |
} |
|
1187 |
||
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
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parents:
2534
diff
changeset
|
1188 |
|
13391
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twisti
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10565
diff
changeset
|
1189 |
void LinkResolver::resolve_invokehandle(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1190 |
assert(EnableInvokeDynamic, ""); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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10565
diff
changeset
|
1191 |
// This guy is reached from InterpreterRuntime::resolve_invokehandle. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1192 |
KlassHandle resolved_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1193 |
Symbol* method_name = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1194 |
Symbol* method_signature = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1195 |
KlassHandle current_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1196 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1197 |
if (TraceMethodHandles) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1198 |
tty->print_cr("resolve_invokehandle %s %s", method_name->as_C_string(), method_signature->as_C_string()); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1199 |
resolve_handle_call(result, resolved_klass, method_name, method_signature, current_klass, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
10565
diff
changeset
|
1200 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
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2534
diff
changeset
|
1201 |
|
13391
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10565
diff
changeset
|
1202 |
void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass, |
30245956af37
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twisti
parents:
10565
diff
changeset
|
1203 |
Symbol* method_name, Symbol* method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1204 |
KlassHandle current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1205 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1206 |
// JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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10565
diff
changeset
|
1207 |
assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), ""); |
30245956af37
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diff
changeset
|
1208 |
assert(MethodHandles::is_signature_polymorphic_name(method_name), ""); |
30245956af37
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|
1209 |
methodHandle resolved_method; |
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changeset
|
1210 |
Handle resolved_appendix; |
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|
1211 |
lookup_polymorphic_method(resolved_method, resolved_klass, |
30245956af37
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changeset
|
1212 |
method_name, method_signature, |
30245956af37
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parents:
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diff
changeset
|
1213 |
current_klass, &resolved_appendix, CHECK); |
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changeset
|
1214 |
result.set_handle(resolved_method, resolved_appendix, CHECK); |
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parents:
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diff
changeset
|
1215 |
} |
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parents:
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diff
changeset
|
1216 |
|
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parents:
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diff
changeset
|
1217 |
|
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changeset
|
1218 |
void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
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|
1219 |
assert(EnableInvokeDynamic, ""); |
30245956af37
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diff
changeset
|
1220 |
pool->set_invokedynamic(); // mark header to flag active call sites |
30245956af37
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parents:
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changeset
|
1221 |
|
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|
1222 |
//resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK); |
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|
1223 |
Symbol* method_name = pool->name_ref_at(index); |
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changeset
|
1224 |
Symbol* method_signature = pool->signature_ref_at(index); |
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|
1225 |
KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder()); |
2570
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parents:
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changeset
|
1226 |
|
13391
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|
1227 |
// Resolve the bootstrap specifier (BSM + optional arguments). |
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changeset
|
1228 |
Handle bootstrap_specifier; |
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changeset
|
1229 |
// Check if CallSite has been bound already: |
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6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1230 |
ConstantPoolCacheEntry* cpce = pool->invokedynamic_cp_cache_entry_at(index); |
13391
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|
1231 |
if (cpce->is_f1_null()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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changeset
|
1232 |
int pool_index = cpce->constant_pool_index(); |
13391
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|
1233 |
oop bsm_info = pool->resolve_bootstrap_specifier_at(pool_index, CHECK); |
30245956af37
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changeset
|
1234 |
assert(bsm_info != NULL, ""); |
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changeset
|
1235 |
// FIXME: Cache this once per BootstrapMethods entry, not once per CONSTANT_InvokeDynamic. |
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|
1236 |
bootstrap_specifier = Handle(THREAD, bsm_info); |
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changeset
|
1237 |
} |
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changeset
|
1238 |
if (!cpce->is_f1_null()) { |
13728
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changeset
|
1239 |
methodHandle method(THREAD, cpce->f1_as_method()); |
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changeset
|
1240 |
Handle appendix(THREAD, cpce->appendix_if_resolved(pool)); |
13391
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|
1241 |
result.set_handle(method, appendix, CHECK); |
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changeset
|
1242 |
return; |
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parents:
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diff
changeset
|
1243 |
} |
2570
ecc7862946d4
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diff
changeset
|
1244 |
|
13391
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changeset
|
1245 |
if (TraceMethodHandles) { |
30245956af37
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parents:
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diff
changeset
|
1246 |
tty->print_cr("resolve_invokedynamic #%d %s %s", |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
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parents:
13396
diff
changeset
|
1247 |
ConstantPool::decode_invokedynamic_index(index), |
13391
30245956af37
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parents:
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changeset
|
1248 |
method_name->as_C_string(), method_signature->as_C_string()); |
30245956af37
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parents:
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diff
changeset
|
1249 |
tty->print(" BSM info: "); bootstrap_specifier->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
1250 |
} |
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twisti
parents:
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diff
changeset
|
1251 |
|
30245956af37
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twisti
parents:
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diff
changeset
|
1252 |
resolve_dynamic_call(result, bootstrap_specifier, method_name, method_signature, current_klass, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
1253 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1254 |
|
30245956af37
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twisti
parents:
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diff
changeset
|
1255 |
void LinkResolver::resolve_dynamic_call(CallInfo& result, |
30245956af37
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twisti
parents:
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diff
changeset
|
1256 |
Handle bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1257 |
Symbol* method_name, Symbol* method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1258 |
KlassHandle current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1259 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1260 |
// JSR 292: this must resolve to an implicitly generated method MH.linkToCallSite(*...) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1261 |
// The appendix argument is likely to be a freshly-created CallSite. |
30245956af37
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twisti
parents:
10565
diff
changeset
|
1262 |
Handle resolved_appendix; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1263 |
methodHandle resolved_method = |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1264 |
SystemDictionary::find_dynamic_call_site_invoker(current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1265 |
bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1266 |
method_name, method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1267 |
&resolved_appendix, |
13732
a9865f5514fc
7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents:
13728
diff
changeset
|
1268 |
THREAD); |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1269 |
if (HAS_PENDING_EXCEPTION) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1270 |
if (TraceMethodHandles) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1271 |
tty->print_cr("invokedynamic throws BSME for "INTPTR_FORMAT, PENDING_EXCEPTION); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1272 |
PENDING_EXCEPTION->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1273 |
} |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1274 |
if (PENDING_EXCEPTION->is_a(SystemDictionary::BootstrapMethodError_klass())) { |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1275 |
// throw these guys, since they are already wrapped |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1276 |
return; |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1277 |
} |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1278 |
if (!PENDING_EXCEPTION->is_a(SystemDictionary::LinkageError_klass())) { |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1279 |
// intercept only LinkageErrors which might have failed to wrap |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1280 |
return; |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1281 |
} |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1282 |
// See the "Linking Exceptions" section for the invokedynamic instruction in the JVMS. |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1283 |
Handle nested_exception(THREAD, PENDING_EXCEPTION); |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1284 |
CLEAR_PENDING_EXCEPTION; |
13732
a9865f5514fc
7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents:
13728
diff
changeset
|
1285 |
THROW_CAUSE(vmSymbols::java_lang_BootstrapMethodError(), nested_exception) |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1286 |
} |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1287 |
result.set_handle(resolved_method, resolved_appendix, CHECK); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1288 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1289 |
|
1 | 1290 |
//------------------------------------------------------------------------------------------------------------------------ |
1291 |
#ifndef PRODUCT |
|
1292 |
||
1293 |
void FieldAccessInfo::print() { |
|
1294 |
ResourceMark rm; |
|
1295 |
tty->print_cr("Field %s@%d", name()->as_C_string(), field_offset()); |
|
1296 |
} |
|
1297 |
||
1298 |
#endif |