author | twisti |
Mon, 01 Oct 2012 14:50:10 -0700 | |
changeset 13929 | 8da0dc50a6e4 |
parent 13732 | a9865f5514fc |
child 15918 | 3fcc894aca8c |
child 14385 | 959bbcc16725 |
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, Handle resolved_method_type, 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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_resolved_method_type = resolved_method_type; |
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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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Handle *method_type_result, |
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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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230 |
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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243 |
if (TraceMethodHandles) { |
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244 |
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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248 |
} |
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result = SystemDictionary::find_method_handle_intrinsic(iid, |
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basic_signature, |
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251 |
CHECK); |
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252 |
if (result.not_null()) { |
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|
253 |
assert(result->is_method_handle_intrinsic(), "MH.invokeBasic or MH.linkTo* intrinsic"); |
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254 |
assert(result->intrinsic_id() != vmIntrinsics::_invokeGeneric, "wrong place to find this"); |
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255 |
assert(basic_signature == result->signature(), "predict the result signature"); |
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256 |
if (TraceMethodHandles) { |
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257 |
tty->print("lookup_polymorphic_method => intrinsic "); |
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result->print_on(tty); |
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259 |
} |
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260 |
return; |
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261 |
} |
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262 |
} else if (iid == vmIntrinsics::_invokeGeneric |
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&& !THREAD->is_Compiler_thread() |
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264 |
&& appendix_result_or_null != NULL) { |
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265 |
// 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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267 |
if (!MethodHandles::enabled()) { |
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268 |
// 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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271 |
SystemDictionary::resolve_or_fail(vmSymbols::java_lang_invoke_MethodHandleNatives(), |
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272 |
Handle(), |
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273 |
Handle(), |
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274 |
true, |
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|
275 |
CHECK); |
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276 |
} |
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277 |
} |
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278 |
|
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279 |
Handle appendix; |
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Handle method_type; |
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281 |
result = SystemDictionary::find_method_handle_invoker(name, |
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282 |
full_signature, |
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283 |
current_klass, |
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284 |
&appendix, |
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285 |
&method_type, |
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286 |
CHECK); |
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|
287 |
if (TraceMethodHandles) { |
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|
288 |
tty->print("lookup_polymorphic_method => (via Java) "); |
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289 |
result->print_on(tty); |
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290 |
tty->print(" lookup_polymorphic_method => appendix = "); |
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291 |
if (appendix.is_null()) tty->print_cr("(none)"); |
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292 |
else appendix->print_on(tty); |
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|
293 |
} |
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|
294 |
if (result.not_null()) { |
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|
295 |
#ifdef ASSERT |
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|
296 |
TempNewSymbol basic_signature = |
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|
297 |
MethodHandles::lookup_basic_type_signature(full_signature, CHECK); |
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298 |
int actual_size_of_params = result->size_of_parameters(); |
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299 |
int expected_size_of_params = ArgumentSizeComputer(basic_signature).size(); |
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300 |
// +1 for MethodHandle.this, +1 for trailing MethodType |
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|
301 |
if (!MethodHandles::is_signature_polymorphic_static(iid)) expected_size_of_params += 1; |
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|
302 |
if (appendix.not_null()) expected_size_of_params += 1; |
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|
303 |
if (actual_size_of_params != expected_size_of_params) { |
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|
304 |
tty->print_cr("*** basic_signature=%s", basic_signature->as_C_string()); |
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305 |
tty->print_cr("*** result for %s: ", vmIntrinsics::name_at(iid)); |
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|
306 |
result->print(); |
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|
307 |
} |
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|
308 |
assert(actual_size_of_params == expected_size_of_params, |
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|
309 |
err_msg("%d != %d", actual_size_of_params, expected_size_of_params)); |
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|
310 |
#endif //ASSERT |
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|
311 |
|
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312 |
assert(appendix_result_or_null != NULL, ""); |
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|
313 |
(*appendix_result_or_null) = appendix; |
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314 |
(*method_type_result) = method_type; |
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|
315 |
return; |
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|
316 |
} |
2534 | 317 |
} |
318 |
} |
|
319 |
} |
|
320 |
||
1 | 321 |
void LinkResolver::check_method_accessability(KlassHandle ref_klass, |
322 |
KlassHandle resolved_klass, |
|
323 |
KlassHandle sel_klass, |
|
324 |
methodHandle sel_method, |
|
325 |
TRAPS) { |
|
326 |
||
327 |
AccessFlags flags = sel_method->access_flags(); |
|
328 |
||
329 |
// Special case: arrays always override "clone". JVMS 2.15. |
|
330 |
// If the resolved klass is an array class, and the declaring class |
|
331 |
// is java.lang.Object and the method is "clone", set the flags |
|
332 |
// to public. |
|
333 |
// |
|
334 |
// We'll check for the method name first, as that's most likely |
|
335 |
// to be false (so we'll short-circuit out of these tests). |
|
336 |
if (sel_method->name() == vmSymbols::clone_name() && |
|
4571 | 337 |
sel_klass() == SystemDictionary::Object_klass() && |
1 | 338 |
resolved_klass->oop_is_array()) { |
339 |
// We need to change "protected" to "public". |
|
340 |
assert(flags.is_protected(), "clone not protected?"); |
|
341 |
jint new_flags = flags.as_int(); |
|
342 |
new_flags = new_flags & (~JVM_ACC_PROTECTED); |
|
343 |
new_flags = new_flags | JVM_ACC_PUBLIC; |
|
344 |
flags.set_flags(new_flags); |
|
345 |
} |
|
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346 |
// assert(extra_arg_result_or_null != NULL, "must be able to return extra argument"); |
1 | 347 |
|
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348 |
if (!Reflection::verify_field_access(ref_klass(), |
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349 |
resolved_klass(), |
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|
350 |
sel_klass(), |
1 | 351 |
flags, |
352 |
true)) { |
|
353 |
ResourceMark rm(THREAD); |
|
354 |
Exceptions::fthrow( |
|
355 |
THREAD_AND_LOCATION, |
|
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|
356 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 357 |
"tried to access method %s.%s%s from class %s", |
358 |
sel_klass->external_name(), |
|
359 |
sel_method->name()->as_C_string(), |
|
360 |
sel_method->signature()->as_C_string(), |
|
361 |
ref_klass->external_name() |
|
362 |
); |
|
363 |
return; |
|
364 |
} |
|
365 |
} |
|
366 |
||
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|
367 |
void LinkResolver::resolve_method_statically(methodHandle& resolved_method, KlassHandle& resolved_klass, |
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|
368 |
Bytecodes::Code code, constantPoolHandle pool, int index, TRAPS) { |
1 | 369 |
|
370 |
// resolve klass |
|
13391
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|
371 |
if (code == Bytecodes::_invokedynamic) { |
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372 |
resolved_klass = SystemDictionary::MethodHandle_klass(); |
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|
373 |
Symbol* method_name = vmSymbols::invoke_name(); |
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374 |
Symbol* method_signature = pool->signature_ref_at(index); |
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|
375 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
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|
376 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
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|
377 |
return; |
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|
378 |
} |
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|
379 |
|
1 | 380 |
resolve_klass(resolved_klass, pool, index, CHECK); |
381 |
||
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382 |
Symbol* method_name = pool->name_ref_at(index); |
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|
383 |
Symbol* method_signature = pool->signature_ref_at(index); |
1 | 384 |
KlassHandle current_klass(THREAD, pool->pool_holder()); |
385 |
||
10008
d84de97ad847
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diff
changeset
|
386 |
if (pool->has_preresolution() |
d84de97ad847
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9967
diff
changeset
|
387 |
|| (resolved_klass() == SystemDictionary::MethodHandle_klass() && |
13391
30245956af37
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twisti
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10565
diff
changeset
|
388 |
MethodHandles::is_signature_polymorphic_name(resolved_klass(), method_name))) { |
13728
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diff
changeset
|
389 |
Method* result_oop = ConstantPool::method_at_if_loaded(pool, index); |
10008
d84de97ad847
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9967
diff
changeset
|
390 |
if (result_oop != NULL) { |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
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parents:
9967
diff
changeset
|
391 |
resolved_method = methodHandle(THREAD, result_oop); |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
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parents:
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diff
changeset
|
392 |
return; |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
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parents:
9967
diff
changeset
|
393 |
} |
d84de97ad847
7056328: JSR 292 invocation sometimes fails in adapters for types not on boot class path
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parents:
9967
diff
changeset
|
394 |
} |
d84de97ad847
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parents:
9967
diff
changeset
|
395 |
|
13391
30245956af37
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parents:
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diff
changeset
|
396 |
if (code == Bytecodes::_invokeinterface) { |
30245956af37
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diff
changeset
|
397 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
30245956af37
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diff
changeset
|
398 |
} else { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
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diff
changeset
|
399 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
30245956af37
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diff
changeset
|
400 |
} |
1 | 401 |
} |
402 |
||
403 |
void LinkResolver::resolve_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
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changeset
|
404 |
Symbol* method_name, Symbol* method_signature, |
1 | 405 |
KlassHandle current_klass, bool check_access, TRAPS) { |
406 |
||
407 |
// 1. check if klass is not interface |
|
408 |
if (resolved_klass->is_interface()) { |
|
9425
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changeset
|
409 |
ResourceMark rm(THREAD); |
1 | 410 |
char buf[200]; |
411 |
jio_snprintf(buf, sizeof(buf), "Found interface %s, but class was expected", Klass::cast(resolved_klass())->external_name()); |
|
412 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
413 |
} |
|
414 |
||
13391
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parents:
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diff
changeset
|
415 |
Handle nested_exception; |
30245956af37
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changeset
|
416 |
|
1 | 417 |
// 2. lookup method in resolved klass and its super klasses |
418 |
lookup_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
419 |
||
420 |
if (resolved_method.is_null()) { // not found in the class hierarchy |
|
421 |
// 3. lookup method in all the interfaces implemented by the resolved klass |
|
422 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
423 |
||
424 |
if (resolved_method.is_null()) { |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
10565
diff
changeset
|
425 |
// 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
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parents:
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diff
changeset
|
426 |
lookup_polymorphic_method(resolved_method, resolved_klass, method_name, method_signature, |
13929
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7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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diff
changeset
|
427 |
current_klass, (Handle*)NULL, (Handle*)NULL, THREAD); |
13391
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diff
changeset
|
428 |
if (HAS_PENDING_EXCEPTION) { |
30245956af37
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diff
changeset
|
429 |
nested_exception = Handle(THREAD, PENDING_EXCEPTION); |
30245956af37
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twisti
parents:
10565
diff
changeset
|
430 |
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
|
431 |
} |
2534 | 432 |
} |
433 |
||
434 |
if (resolved_method.is_null()) { |
|
1 | 435 |
// 4. method lookup failed |
436 |
ResourceMark rm(THREAD); |
|
13391
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parents:
10565
diff
changeset
|
437 |
THROW_MSG_CAUSE(vmSymbols::java_lang_NoSuchMethodError(), |
13728
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diff
changeset
|
438 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
13391
30245956af37
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parents:
10565
diff
changeset
|
439 |
method_name, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
440 |
method_signature), |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
441 |
nested_exception); |
1 | 442 |
} |
443 |
} |
|
444 |
||
445 |
// 5. check if method is concrete |
|
446 |
if (resolved_method->is_abstract() && !resolved_klass->is_abstract()) { |
|
447 |
ResourceMark rm(THREAD); |
|
448 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
449 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
8076
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diff
changeset
|
450 |
method_name, |
96d498ec7ae1
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parents:
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diff
changeset
|
451 |
method_signature)); |
1 | 452 |
} |
453 |
||
454 |
// 6. access checks, access checking may be turned off when calling from within the VM. |
|
455 |
if (check_access) { |
|
456 |
assert(current_klass.not_null() , "current_klass should not be null"); |
|
457 |
||
458 |
// check if method can be accessed by the referring class |
|
459 |
check_method_accessability(current_klass, |
|
460 |
resolved_klass, |
|
461 |
KlassHandle(THREAD, resolved_method->method_holder()), |
|
462 |
resolved_method, |
|
463 |
CHECK); |
|
464 |
||
465 |
// check loader constraints |
|
13728
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parents:
13396
diff
changeset
|
466 |
Handle loader (THREAD, InstanceKlass::cast(current_klass())->class_loader()); |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
467 |
Handle class_loader (THREAD, InstanceKlass::cast(resolved_method->method_holder())->class_loader()); |
1 | 468 |
{ |
469 |
ResourceMark rm(THREAD); |
|
470 |
char* failed_type_name = |
|
471 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
|
472 |
class_loader, true, CHECK); |
|
473 |
if (failed_type_name != NULL) { |
|
474 |
const char* msg = "loader constraint violation: when resolving method" |
|
475 |
" \"%s\" the class loader (instance of %s) of the current class, %s," |
|
476 |
" and the class loader (instance of %s) for resolved class, %s, have" |
|
477 |
" different Class objects for the type %s used in the signature"; |
|
13728
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parents:
13396
diff
changeset
|
478 |
char* sig = Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name,method_signature); |
1 | 479 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
480 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 481 |
const char* loader2 = SystemDictionary::loader_name(class_loader()); |
13728
882756847a04
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coleenp
parents:
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diff
changeset
|
482 |
char* resolved = InstanceKlass::cast(resolved_klass())->name()->as_C_string(); |
1 | 483 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
484 |
strlen(current) + strlen(loader2) + strlen(resolved) + |
|
485 |
strlen(failed_type_name); |
|
486 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
487 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
488 |
resolved, failed_type_name); |
|
489 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
490 |
} |
|
491 |
} |
|
492 |
} |
|
493 |
} |
|
494 |
||
495 |
void LinkResolver::resolve_interface_method(methodHandle& resolved_method, |
|
496 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
497 |
Symbol* method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
498 |
Symbol* method_signature, |
1 | 499 |
KlassHandle current_klass, |
500 |
bool check_access, TRAPS) { |
|
501 |
||
502 |
// check if klass is interface |
|
503 |
if (!resolved_klass->is_interface()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
504 |
ResourceMark rm(THREAD); |
1 | 505 |
char buf[200]; |
506 |
jio_snprintf(buf, sizeof(buf), "Found class %s, but interface was expected", Klass::cast(resolved_klass())->external_name()); |
|
507 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
508 |
} |
|
509 |
||
510 |
// lookup method in this interface or its super, java.lang.Object |
|
511 |
lookup_instance_method_in_klasses(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
512 |
||
513 |
if (resolved_method.is_null()) { |
|
514 |
// lookup method in all the super-interfaces |
|
515 |
lookup_method_in_interfaces(resolved_method, resolved_klass, method_name, method_signature, CHECK); |
|
516 |
if (resolved_method.is_null()) { |
|
517 |
// no method found |
|
518 |
ResourceMark rm(THREAD); |
|
519 |
THROW_MSG(vmSymbols::java_lang_NoSuchMethodError(), |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
520 |
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
|
521 |
method_name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
522 |
method_signature)); |
1 | 523 |
} |
524 |
} |
|
525 |
||
526 |
if (check_access) { |
|
527 |
HandleMark hm(THREAD); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
528 |
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
|
529 |
Handle class_loader (THREAD, InstanceKlass::cast(resolved_method->method_holder())->class_loader()); |
1 | 530 |
{ |
531 |
ResourceMark rm(THREAD); |
|
532 |
char* failed_type_name = |
|
533 |
SystemDictionary::check_signature_loaders(method_signature, loader, |
|
534 |
class_loader, true, CHECK); |
|
535 |
if (failed_type_name != NULL) { |
|
536 |
const char* msg = "loader constraint violation: when resolving " |
|
537 |
"interface method \"%s\" the class loader (instance of %s) of the " |
|
538 |
"current class, %s, and the class loader (instance of %s) for " |
|
539 |
"resolved class, %s, have different Class objects for the type %s " |
|
540 |
"used in the signature"; |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
541 |
char* sig = Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()),method_name,method_signature); |
1 | 542 |
const char* loader1 = SystemDictionary::loader_name(loader()); |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
543 |
char* current = InstanceKlass::cast(current_klass())->name()->as_C_string(); |
1 | 544 |
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
|
545 |
char* resolved = InstanceKlass::cast(resolved_klass())->name()->as_C_string(); |
1 | 546 |
size_t buflen = strlen(msg) + strlen(sig) + strlen(loader1) + |
547 |
strlen(current) + strlen(loader2) + strlen(resolved) + |
|
548 |
strlen(failed_type_name); |
|
549 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
550 |
jio_snprintf(buf, buflen, msg, sig, loader1, current, loader2, |
|
551 |
resolved, failed_type_name); |
|
552 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
553 |
} |
|
554 |
} |
|
555 |
} |
|
556 |
} |
|
557 |
||
558 |
//------------------------------------------------------------------------------------------------------------------------ |
|
559 |
// Field resolution |
|
560 |
||
561 |
void LinkResolver::check_field_accessability(KlassHandle ref_klass, |
|
562 |
KlassHandle resolved_klass, |
|
563 |
KlassHandle sel_klass, |
|
564 |
fieldDescriptor& fd, |
|
565 |
TRAPS) { |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
566 |
if (!Reflection::verify_field_access(ref_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
567 |
resolved_klass(), |
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
568 |
sel_klass(), |
1 | 569 |
fd.access_flags(), |
570 |
true)) { |
|
571 |
ResourceMark rm(THREAD); |
|
572 |
Exceptions::fthrow( |
|
573 |
THREAD_AND_LOCATION, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
574 |
vmSymbols::java_lang_IllegalAccessError(), |
1 | 575 |
"tried to access field %s.%s from class %s", |
576 |
sel_klass->external_name(), |
|
577 |
fd.name()->as_C_string(), |
|
578 |
ref_klass->external_name() |
|
579 |
); |
|
580 |
return; |
|
581 |
} |
|
582 |
} |
|
583 |
||
584 |
void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, TRAPS) { |
|
585 |
resolve_field(result, pool, index, byte, check_only, true, CHECK); |
|
586 |
} |
|
587 |
||
588 |
void LinkResolver::resolve_field(FieldAccessInfo& result, constantPoolHandle pool, int index, Bytecodes::Code byte, bool check_only, bool update_pool, TRAPS) { |
|
589 |
assert(byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic || |
|
590 |
byte == Bytecodes::_getfield || byte == Bytecodes::_putfield, "bad bytecode"); |
|
591 |
||
592 |
bool is_static = (byte == Bytecodes::_getstatic || byte == Bytecodes::_putstatic); |
|
593 |
bool is_put = (byte == Bytecodes::_putfield || byte == Bytecodes::_putstatic); |
|
594 |
||
595 |
// resolve specified klass |
|
596 |
KlassHandle resolved_klass; |
|
597 |
if (update_pool) { |
|
598 |
resolve_klass(resolved_klass, pool, index, CHECK); |
|
599 |
} else { |
|
600 |
resolve_klass_no_update(resolved_klass, pool, index, CHECK); |
|
601 |
} |
|
602 |
// 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
|
603 |
Symbol* field = pool->name_ref_at(index); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
604 |
Symbol* sig = pool->signature_ref_at(index); |
1 | 605 |
// Check if there's a resolved klass containing the field |
606 |
if( resolved_klass.is_null() ) { |
|
607 |
ResourceMark rm(THREAD); |
|
608 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
609 |
} |
|
610 |
||
611 |
// Resolve instance field |
|
612 |
fieldDescriptor fd; // find_field initializes fd if found |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
613 |
KlassHandle sel_klass(THREAD, InstanceKlass::cast(resolved_klass())->find_field(field, sig, &fd)); |
1 | 614 |
// check if field exists; i.e., if a klass containing the field def has been selected |
615 |
if (sel_klass.is_null()){ |
|
616 |
ResourceMark rm(THREAD); |
|
617 |
THROW_MSG(vmSymbols::java_lang_NoSuchFieldError(), field->as_C_string()); |
|
618 |
} |
|
619 |
||
620 |
// check access |
|
621 |
KlassHandle ref_klass(THREAD, pool->pool_holder()); |
|
622 |
check_field_accessability(ref_klass, resolved_klass, sel_klass, fd, CHECK); |
|
623 |
||
624 |
// check for errors |
|
625 |
if (is_static != fd.is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
626 |
ResourceMark rm(THREAD); |
1 | 627 |
char msg[200]; |
628 |
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()); |
|
629 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), msg); |
|
630 |
} |
|
631 |
||
632 |
// Final fields can only be accessed from its own class. |
|
633 |
if (is_put && fd.access_flags().is_final() && sel_klass() != pool->pool_holder()) { |
|
634 |
THROW(vmSymbols::java_lang_IllegalAccessError()); |
|
635 |
} |
|
636 |
||
637 |
// initialize resolved_klass if necessary |
|
638 |
// note 1: the klass which declared the field must be initialized (i.e, sel_klass) |
|
639 |
// according to the newest JVM spec (5.5, p.170) - was bug (gri 7/28/99) |
|
640 |
// |
|
641 |
// note 2: we don't want to force initialization if we are just checking |
|
642 |
// if the field access is legal; e.g., during compilation |
|
643 |
if (is_static && !check_only) { |
|
644 |
sel_klass->initialize(CHECK); |
|
645 |
} |
|
646 |
||
647 |
{ |
|
648 |
HandleMark hm(THREAD); |
|
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|
649 |
Handle ref_loader (THREAD, InstanceKlass::cast(ref_klass())->class_loader()); |
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|
650 |
Handle sel_loader (THREAD, InstanceKlass::cast(sel_klass())->class_loader()); |
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|
651 |
Symbol* signature_ref = pool->signature_ref_at(index); |
1 | 652 |
{ |
653 |
ResourceMark rm(THREAD); |
|
654 |
char* failed_type_name = |
|
655 |
SystemDictionary::check_signature_loaders(signature_ref, |
|
656 |
ref_loader, sel_loader, |
|
657 |
false, |
|
658 |
CHECK); |
|
659 |
if (failed_type_name != NULL) { |
|
660 |
const char* msg = "loader constraint violation: when resolving field" |
|
661 |
" \"%s\" the class loader (instance of %s) of the referring class, " |
|
662 |
"%s, and the class loader (instance of %s) for the field's resolved " |
|
663 |
"type, %s, have different Class objects for that type"; |
|
8076
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changeset
|
664 |
char* field_name = field->as_C_string(); |
1 | 665 |
const char* loader1 = SystemDictionary::loader_name(ref_loader()); |
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changeset
|
666 |
char* sel = InstanceKlass::cast(sel_klass())->name()->as_C_string(); |
1 | 667 |
const char* loader2 = SystemDictionary::loader_name(sel_loader()); |
668 |
size_t buflen = strlen(msg) + strlen(field_name) + strlen(loader1) + |
|
669 |
strlen(sel) + strlen(loader2) + strlen(failed_type_name); |
|
670 |
char* buf = NEW_RESOURCE_ARRAY_IN_THREAD(THREAD, char, buflen); |
|
671 |
jio_snprintf(buf, buflen, msg, field_name, loader1, sel, loader2, |
|
672 |
failed_type_name); |
|
673 |
THROW_MSG(vmSymbols::java_lang_LinkageError(), buf); |
|
674 |
} |
|
675 |
} |
|
676 |
} |
|
677 |
||
678 |
// return information. note that the klass is set to the actual klass containing the |
|
679 |
// field, otherwise access of static fields in superclasses will not work. |
|
680 |
KlassHandle holder (THREAD, fd.field_holder()); |
|
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|
681 |
Symbol* name = fd.name(); |
1 | 682 |
result.set(holder, name, fd.index(), fd.offset(), fd.field_type(), fd.access_flags()); |
683 |
} |
|
684 |
||
685 |
||
686 |
//------------------------------------------------------------------------------------------------------------------------ |
|
687 |
// Invoke resolution |
|
688 |
// |
|
689 |
// Naming conventions: |
|
690 |
// |
|
691 |
// resolved_method the specified method (i.e., static receiver specified via constant pool index) |
|
692 |
// sel_method the selected method (selected via run-time lookup; e.g., based on dynamic receiver class) |
|
693 |
// resolved_klass the specified klass (i.e., specified via constant pool index) |
|
694 |
// recv_klass the receiver klass |
|
695 |
||
696 |
||
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changeset
|
697 |
void LinkResolver::resolve_static_call(CallInfo& result, KlassHandle& resolved_klass, Symbol* method_name, |
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changeset
|
698 |
Symbol* method_signature, KlassHandle current_klass, |
1 | 699 |
bool check_access, bool initialize_class, TRAPS) { |
700 |
methodHandle resolved_method; |
|
701 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
702 |
resolved_klass = KlassHandle(THREAD, Klass::cast(resolved_method->method_holder())); |
|
703 |
||
704 |
// Initialize klass (this should only happen if everything is ok) |
|
705 |
if (initialize_class && resolved_klass->should_be_initialized()) { |
|
706 |
resolved_klass->initialize(CHECK); |
|
707 |
linktime_resolve_static_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
708 |
} |
|
709 |
||
710 |
// setup result |
|
711 |
result.set_static(resolved_klass, resolved_method, CHECK); |
|
712 |
} |
|
713 |
||
714 |
// throws linktime exceptions |
|
715 |
void LinkResolver::linktime_resolve_static_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
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changeset
|
716 |
Symbol* method_name, Symbol* method_signature, |
1 | 717 |
KlassHandle current_klass, bool check_access, TRAPS) { |
718 |
||
719 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
720 |
assert(resolved_method->name() != vmSymbols::class_initializer_name(), "should have been checked in verifier"); |
|
721 |
||
722 |
// check if static |
|
723 |
if (!resolved_method->is_static()) { |
|
9425
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changeset
|
724 |
ResourceMark rm(THREAD); |
1 | 725 |
char buf[200]; |
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changeset
|
726 |
jio_snprintf(buf, sizeof(buf), "Expected static method %s", Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 727 |
resolved_method->name(), |
728 |
resolved_method->signature())); |
|
729 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
730 |
} |
|
731 |
} |
|
732 |
||
733 |
||
8076
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diff
changeset
|
734 |
void LinkResolver::resolve_special_call(CallInfo& result, KlassHandle resolved_klass, Symbol* method_name, |
96d498ec7ae1
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diff
changeset
|
735 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 736 |
methodHandle resolved_method; |
737 |
linktime_resolve_special_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
738 |
runtime_resolve_special_method(result, resolved_method, resolved_klass, current_klass, check_access, CHECK); |
|
739 |
} |
|
740 |
||
741 |
// throws linktime exceptions |
|
742 |
void LinkResolver::linktime_resolve_special_method(methodHandle& resolved_method, KlassHandle resolved_klass, |
|
8076
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diff
changeset
|
743 |
Symbol* method_name, Symbol* method_signature, |
1 | 744 |
KlassHandle current_klass, bool check_access, TRAPS) { |
745 |
||
746 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
747 |
||
748 |
// check if method name is <init>, that it is found in same klass as static type |
|
749 |
if (resolved_method->name() == vmSymbols::object_initializer_name() && |
|
750 |
resolved_method->method_holder() != resolved_klass()) { |
|
751 |
ResourceMark rm(THREAD); |
|
752 |
Exceptions::fthrow( |
|
753 |
THREAD_AND_LOCATION, |
|
8076
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changeset
|
754 |
vmSymbols::java_lang_NoSuchMethodError(), |
1 | 755 |
"%s: method %s%s not found", |
756 |
resolved_klass->external_name(), |
|
757 |
resolved_method->name()->as_C_string(), |
|
758 |
resolved_method->signature()->as_C_string() |
|
759 |
); |
|
760 |
return; |
|
761 |
} |
|
762 |
||
763 |
// check if not static |
|
764 |
if (resolved_method->is_static()) { |
|
9425
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changeset
|
765 |
ResourceMark rm(THREAD); |
1 | 766 |
char buf[200]; |
767 |
jio_snprintf(buf, sizeof(buf), |
|
768 |
"Expecting non-static method %s", |
|
13728
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changeset
|
769 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 770 |
resolved_method->name(), |
771 |
resolved_method->signature())); |
|
772 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
773 |
} |
|
774 |
} |
|
775 |
||
776 |
// throws runtime exceptions |
|
777 |
void LinkResolver::runtime_resolve_special_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
778 |
KlassHandle current_klass, bool check_access, TRAPS) { |
|
779 |
||
780 |
// resolved method is selected method unless we have an old-style lookup |
|
781 |
methodHandle sel_method(THREAD, resolved_method()); |
|
782 |
||
783 |
// check if this is an old-style super call and do a new lookup if so |
|
784 |
{ KlassHandle method_klass = KlassHandle(THREAD, |
|
785 |
resolved_method->method_holder()); |
|
786 |
||
787 |
if (check_access && |
|
788 |
// a) check if ACC_SUPER flag is set for the current class |
|
789 |
current_klass->is_super() && |
|
790 |
// b) check if the method class is a superclass of the current class (superclass relation is not reflexive!) |
|
791 |
current_klass->is_subtype_of(method_klass()) && current_klass() != method_klass() && |
|
792 |
// c) check if the method is not <init> |
|
793 |
resolved_method->name() != vmSymbols::object_initializer_name()) { |
|
794 |
// Lookup super method |
|
795 |
KlassHandle super_klass(THREAD, current_klass->super()); |
|
796 |
lookup_instance_method_in_klasses(sel_method, super_klass, |
|
8076
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diff
changeset
|
797 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
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7397
diff
changeset
|
798 |
resolved_method->signature(), CHECK); |
1 | 799 |
// check if found |
800 |
if (sel_method.is_null()) { |
|
801 |
ResourceMark rm(THREAD); |
|
802 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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diff
changeset
|
803 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 804 |
resolved_method->name(), |
805 |
resolved_method->signature())); |
|
806 |
} |
|
807 |
} |
|
808 |
} |
|
809 |
||
810 |
// check if not static |
|
811 |
if (sel_method->is_static()) { |
|
9425
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diff
changeset
|
812 |
ResourceMark rm(THREAD); |
1 | 813 |
char buf[200]; |
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
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diff
changeset
|
814 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 815 |
resolved_method->name(), |
816 |
resolved_method->signature())); |
|
817 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
818 |
} |
|
819 |
||
820 |
// check if abstract |
|
821 |
if (sel_method->is_abstract()) { |
|
822 |
ResourceMark rm(THREAD); |
|
823 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
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13396
diff
changeset
|
824 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 825 |
sel_method->name(), |
826 |
sel_method->signature())); |
|
827 |
} |
|
828 |
||
829 |
// setup result |
|
830 |
result.set_static(resolved_klass, sel_method, CHECK); |
|
831 |
} |
|
832 |
||
833 |
void LinkResolver::resolve_virtual_call(CallInfo& result, Handle recv, KlassHandle receiver_klass, 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
|
834 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 835 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
836 |
methodHandle resolved_method; |
|
837 |
linktime_resolve_virtual_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
838 |
runtime_resolve_virtual_method(result, resolved_method, resolved_klass, recv, receiver_klass, check_null_and_abstract, CHECK); |
|
839 |
} |
|
840 |
||
841 |
// throws linktime exceptions |
|
842 |
void LinkResolver::linktime_resolve_virtual_method(methodHandle &resolved_method, 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
|
843 |
Symbol* method_name, Symbol* method_signature, |
1 | 844 |
KlassHandle current_klass, bool check_access, TRAPS) { |
845 |
// normal method resolution |
|
846 |
resolve_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
847 |
||
848 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
849 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
850 |
||
851 |
// check if not static |
|
852 |
if (resolved_method->is_static()) { |
|
9425
6da66b869573
6728025: LinkResolver is missing some ResourceMarks
jcoomes
parents:
9116
diff
changeset
|
853 |
ResourceMark rm(THREAD); |
1 | 854 |
char buf[200]; |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
855 |
jio_snprintf(buf, sizeof(buf), "Expecting non-static method %s", Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 856 |
resolved_method->name(), |
857 |
resolved_method->signature())); |
|
858 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
859 |
} |
|
860 |
} |
|
861 |
||
862 |
// throws runtime exceptions |
|
863 |
void LinkResolver::runtime_resolve_virtual_method(CallInfo& result, |
|
864 |
methodHandle resolved_method, |
|
865 |
KlassHandle resolved_klass, |
|
866 |
Handle recv, |
|
867 |
KlassHandle recv_klass, |
|
868 |
bool check_null_and_abstract, |
|
869 |
TRAPS) { |
|
870 |
||
871 |
// setup default return values |
|
13728
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coleenp
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13396
diff
changeset
|
872 |
int vtable_index = Method::invalid_vtable_index; |
1 | 873 |
methodHandle selected_method; |
874 |
||
875 |
assert(recv.is_null() || recv->is_oop(), "receiver is not an oop"); |
|
876 |
||
877 |
// runtime method resolution |
|
878 |
if (check_null_and_abstract && recv.is_null()) { // check if receiver exists |
|
879 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
880 |
} |
|
881 |
||
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
882 |
// Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s |
1 | 883 |
// 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
|
884 |
assert(InstanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); |
1 | 885 |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
886 |
// Virtual methods cannot be resolved before its klass has been linked, for otherwise the Method*'s |
1 | 887 |
// has not been rewritten, and the vtable initialized. Make sure to do this after the nullcheck, since |
888 |
// a missing receiver might result in a bogus lookup. |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
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13396
diff
changeset
|
889 |
assert(InstanceKlass::cast(resolved_method->method_holder())->is_linked(), "must be linked"); |
1 | 890 |
|
891 |
// 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
|
892 |
if (resolved_method->method_holder()->is_interface()) { // miranda method |
1 | 893 |
vtable_index = vtable_index_of_miranda_method(resolved_klass, |
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
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diff
changeset
|
894 |
resolved_method->name(), |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
895 |
resolved_method->signature(), CHECK); |
1 | 896 |
assert(vtable_index >= 0 , "we should have valid vtable index at this point"); |
897 |
||
13728
882756847a04
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coleenp
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diff
changeset
|
898 |
InstanceKlass* inst = InstanceKlass::cast(recv_klass()); |
1 | 899 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
900 |
} else { |
|
901 |
// at this point we are sure that resolved_method is virtual and not |
|
902 |
// a miranda method; therefore, it must have a valid vtable index. |
|
903 |
vtable_index = resolved_method->vtable_index(); |
|
904 |
// We could get a negative vtable_index for final methods, |
|
905 |
// because as an optimization they are they are never put in the vtable, |
|
906 |
// unless they override an existing method. |
|
907 |
// If we do get a negative, it means the resolved method is the the selected |
|
908 |
// method, and it can never be changed by an override. |
|
13728
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diff
changeset
|
909 |
if (vtable_index == Method::nonvirtual_vtable_index) { |
1 | 910 |
assert(resolved_method->can_be_statically_bound(), "cannot override this method"); |
911 |
selected_method = resolved_method; |
|
912 |
} else { |
|
913 |
// recv_klass might be an arrayKlassOop but all vtables start at |
|
914 |
// 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
|
915 |
InstanceKlass* inst = (InstanceKlass*)recv_klass(); |
1 | 916 |
selected_method = methodHandle(THREAD, inst->method_at_vtable(vtable_index)); |
917 |
} |
|
918 |
} |
|
919 |
||
920 |
// check if method exists |
|
921 |
if (selected_method.is_null()) { |
|
922 |
ResourceMark rm(THREAD); |
|
923 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
924 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 925 |
resolved_method->name(), |
926 |
resolved_method->signature())); |
|
927 |
} |
|
928 |
||
929 |
// check if abstract |
|
930 |
if (check_null_and_abstract && selected_method->is_abstract()) { |
|
931 |
ResourceMark rm(THREAD); |
|
932 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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changeset
|
933 |
Method::name_and_sig_as_C_string(Klass::cast(resolved_klass()), |
1 | 934 |
selected_method->name(), |
935 |
selected_method->signature())); |
|
936 |
} |
|
937 |
||
938 |
// setup result |
|
939 |
result.set_virtual(resolved_klass, recv_klass, resolved_method, selected_method, vtable_index, CHECK); |
|
940 |
} |
|
941 |
||
942 |
void LinkResolver::resolve_interface_call(CallInfo& result, Handle recv, KlassHandle recv_klass, KlassHandle resolved_klass, |
|
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|
943 |
Symbol* method_name, Symbol* method_signature, KlassHandle current_klass, |
1 | 944 |
bool check_access, bool check_null_and_abstract, TRAPS) { |
945 |
methodHandle resolved_method; |
|
946 |
linktime_resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
947 |
runtime_resolve_interface_method(result, resolved_method, resolved_klass, recv, recv_klass, check_null_and_abstract, CHECK); |
|
948 |
} |
|
949 |
||
950 |
// throws linktime exceptions |
|
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|
951 |
void LinkResolver::linktime_resolve_interface_method(methodHandle& resolved_method, KlassHandle resolved_klass, Symbol* method_name, |
96d498ec7ae1
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changeset
|
952 |
Symbol* method_signature, KlassHandle current_klass, bool check_access, TRAPS) { |
1 | 953 |
// normal interface method resolution |
954 |
resolve_interface_method(resolved_method, resolved_klass, method_name, method_signature, current_klass, check_access, CHECK); |
|
955 |
||
956 |
assert(resolved_method->name() != vmSymbols::object_initializer_name(), "should have been checked in verifier"); |
|
957 |
assert(resolved_method->name() != vmSymbols::class_initializer_name (), "should have been checked in verifier"); |
|
958 |
} |
|
959 |
||
960 |
// throws runtime exceptions |
|
961 |
void LinkResolver::runtime_resolve_interface_method(CallInfo& result, methodHandle resolved_method, KlassHandle resolved_klass, |
|
962 |
Handle recv, KlassHandle recv_klass, bool check_null_and_abstract, TRAPS) { |
|
963 |
// check if receiver exists |
|
964 |
if (check_null_and_abstract && recv.is_null()) { |
|
965 |
THROW(vmSymbols::java_lang_NullPointerException()); |
|
966 |
} |
|
967 |
||
968 |
// check if receiver klass implements the resolved interface |
|
969 |
if (!recv_klass->is_subtype_of(resolved_klass())) { |
|
9425
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diff
changeset
|
970 |
ResourceMark rm(THREAD); |
1 | 971 |
char buf[200]; |
972 |
jio_snprintf(buf, sizeof(buf), "Class %s does not implement the requested interface %s", |
|
973 |
(Klass::cast(recv_klass()))->external_name(), |
|
974 |
(Klass::cast(resolved_klass()))->external_name()); |
|
975 |
THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(), buf); |
|
976 |
} |
|
977 |
// do lookup based on receiver klass |
|
978 |
methodHandle sel_method; |
|
979 |
lookup_instance_method_in_klasses(sel_method, recv_klass, |
|
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|
980 |
resolved_method->name(), |
96d498ec7ae1
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changeset
|
981 |
resolved_method->signature(), CHECK); |
1 | 982 |
// check if method exists |
983 |
if (sel_method.is_null()) { |
|
984 |
ResourceMark rm(THREAD); |
|
985 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
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changeset
|
986 |
Method::name_and_sig_as_C_string(Klass::cast(recv_klass()), |
1 | 987 |
resolved_method->name(), |
988 |
resolved_method->signature())); |
|
989 |
} |
|
990 |
// check if public |
|
991 |
if (!sel_method->is_public()) { |
|
992 |
ResourceMark rm(THREAD); |
|
993 |
THROW_MSG(vmSymbols::java_lang_IllegalAccessError(), |
|
13728
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changeset
|
994 |
Method::name_and_sig_as_C_string(Klass::cast(recv_klass()), |
1 | 995 |
sel_method->name(), |
996 |
sel_method->signature())); |
|
997 |
} |
|
998 |
// check if abstract |
|
999 |
if (check_null_and_abstract && sel_method->is_abstract()) { |
|
1000 |
ResourceMark rm(THREAD); |
|
1001 |
THROW_MSG(vmSymbols::java_lang_AbstractMethodError(), |
|
13728
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changeset
|
1002 |
Method::name_and_sig_as_C_string(Klass::cast(recv_klass()), |
1 | 1003 |
sel_method->name(), |
1004 |
sel_method->signature())); |
|
1005 |
} |
|
1006 |
// setup result |
|
1007 |
result.set_interface(resolved_klass, recv_klass, resolved_method, sel_method, CHECK); |
|
1008 |
} |
|
1009 |
||
1010 |
||
1011 |
methodHandle LinkResolver::linktime_resolve_interface_method_or_null( |
|
1012 |
KlassHandle resolved_klass, |
|
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|
1013 |
Symbol* method_name, |
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changeset
|
1014 |
Symbol* method_signature, |
1 | 1015 |
KlassHandle current_klass, |
1016 |
bool check_access) { |
|
1017 |
EXCEPTION_MARK; |
|
1018 |
methodHandle method_result; |
|
1019 |
linktime_resolve_interface_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1020 |
if (HAS_PENDING_EXCEPTION) { |
|
1021 |
CLEAR_PENDING_EXCEPTION; |
|
1022 |
return methodHandle(); |
|
1023 |
} else { |
|
1024 |
return method_result; |
|
1025 |
} |
|
1026 |
} |
|
1027 |
||
1028 |
methodHandle LinkResolver::linktime_resolve_virtual_method_or_null( |
|
1029 |
KlassHandle resolved_klass, |
|
8076
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diff
changeset
|
1030 |
Symbol* method_name, |
96d498ec7ae1
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diff
changeset
|
1031 |
Symbol* method_signature, |
1 | 1032 |
KlassHandle current_klass, |
1033 |
bool check_access) { |
|
1034 |
EXCEPTION_MARK; |
|
1035 |
methodHandle method_result; |
|
1036 |
linktime_resolve_virtual_method(method_result, resolved_klass, method_name, method_signature, current_klass, check_access, THREAD); |
|
1037 |
if (HAS_PENDING_EXCEPTION) { |
|
1038 |
CLEAR_PENDING_EXCEPTION; |
|
1039 |
return methodHandle(); |
|
1040 |
} else { |
|
1041 |
return method_result; |
|
1042 |
} |
|
1043 |
} |
|
1044 |
||
1045 |
methodHandle LinkResolver::resolve_virtual_call_or_null( |
|
1046 |
KlassHandle receiver_klass, |
|
1047 |
KlassHandle resolved_klass, |
|
8076
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coleenp
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diff
changeset
|
1048 |
Symbol* name, |
96d498ec7ae1
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coleenp
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7397
diff
changeset
|
1049 |
Symbol* signature, |
1 | 1050 |
KlassHandle current_klass) { |
1051 |
EXCEPTION_MARK; |
|
1052 |
CallInfo info; |
|
1053 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1054 |
if (HAS_PENDING_EXCEPTION) { |
|
1055 |
CLEAR_PENDING_EXCEPTION; |
|
1056 |
return methodHandle(); |
|
1057 |
} |
|
1058 |
return info.selected_method(); |
|
1059 |
} |
|
1060 |
||
1061 |
methodHandle LinkResolver::resolve_interface_call_or_null( |
|
1062 |
KlassHandle receiver_klass, |
|
1063 |
KlassHandle resolved_klass, |
|
8076
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7397
diff
changeset
|
1064 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1065 |
Symbol* signature, |
1 | 1066 |
KlassHandle current_klass) { |
1067 |
EXCEPTION_MARK; |
|
1068 |
CallInfo info; |
|
1069 |
resolve_interface_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1070 |
if (HAS_PENDING_EXCEPTION) { |
|
1071 |
CLEAR_PENDING_EXCEPTION; |
|
1072 |
return methodHandle(); |
|
1073 |
} |
|
1074 |
return info.selected_method(); |
|
1075 |
} |
|
1076 |
||
1077 |
int LinkResolver::resolve_virtual_vtable_index( |
|
1078 |
KlassHandle receiver_klass, |
|
1079 |
KlassHandle resolved_klass, |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1080 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1081 |
Symbol* signature, |
1 | 1082 |
KlassHandle current_klass) { |
1083 |
EXCEPTION_MARK; |
|
1084 |
CallInfo info; |
|
1085 |
resolve_virtual_call(info, Handle(), receiver_klass, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1086 |
if (HAS_PENDING_EXCEPTION) { |
|
1087 |
CLEAR_PENDING_EXCEPTION; |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
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parents:
13396
diff
changeset
|
1088 |
return Method::invalid_vtable_index; |
1 | 1089 |
} |
1090 |
return info.vtable_index(); |
|
1091 |
} |
|
1092 |
||
1093 |
methodHandle LinkResolver::resolve_static_call_or_null( |
|
1094 |
KlassHandle resolved_klass, |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1095 |
Symbol* name, |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1096 |
Symbol* signature, |
1 | 1097 |
KlassHandle current_klass) { |
1098 |
EXCEPTION_MARK; |
|
1099 |
CallInfo info; |
|
1100 |
resolve_static_call(info, resolved_klass, name, signature, current_klass, true, false, THREAD); |
|
1101 |
if (HAS_PENDING_EXCEPTION) { |
|
1102 |
CLEAR_PENDING_EXCEPTION; |
|
1103 |
return methodHandle(); |
|
1104 |
} |
|
1105 |
return info.selected_method(); |
|
1106 |
} |
|
1107 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1108 |
methodHandle LinkResolver::resolve_special_call_or_null(KlassHandle resolved_klass, Symbol* name, Symbol* signature, |
1 | 1109 |
KlassHandle current_klass) { |
1110 |
EXCEPTION_MARK; |
|
1111 |
CallInfo info; |
|
1112 |
resolve_special_call(info, resolved_klass, name, signature, current_klass, true, THREAD); |
|
1113 |
if (HAS_PENDING_EXCEPTION) { |
|
1114 |
CLEAR_PENDING_EXCEPTION; |
|
1115 |
return methodHandle(); |
|
1116 |
} |
|
1117 |
return info.selected_method(); |
|
1118 |
} |
|
1119 |
||
1120 |
||
1121 |
||
1122 |
//------------------------------------------------------------------------------------------------------------------------ |
|
1123 |
// ConstantPool entries |
|
1124 |
||
1125 |
void LinkResolver::resolve_invoke(CallInfo& result, Handle recv, constantPoolHandle pool, int index, Bytecodes::Code byte, TRAPS) { |
|
1126 |
switch (byte) { |
|
1127 |
case Bytecodes::_invokestatic : resolve_invokestatic (result, pool, index, CHECK); break; |
|
1128 |
case Bytecodes::_invokespecial : resolve_invokespecial (result, pool, index, CHECK); break; |
|
1129 |
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
|
1130 |
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
|
1131 |
case Bytecodes::_invokedynamic : resolve_invokedynamic (result, pool, index, CHECK); break; |
1 | 1132 |
case Bytecodes::_invokeinterface: resolve_invokeinterface(result, recv, pool, index, CHECK); break; |
1133 |
} |
|
1134 |
return; |
|
1135 |
} |
|
1136 |
||
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1137 |
void LinkResolver::resolve_pool(KlassHandle& resolved_klass, Symbol*& method_name, Symbol*& method_signature, |
1 | 1138 |
KlassHandle& current_klass, constantPoolHandle pool, int index, TRAPS) { |
1139 |
// resolve klass |
|
1140 |
resolve_klass(resolved_klass, pool, index, CHECK); |
|
1141 |
||
1142 |
// Get name, signature, and static klass |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1143 |
method_name = pool->name_ref_at(index); |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1144 |
method_signature = pool->signature_ref_at(index); |
1 | 1145 |
current_klass = KlassHandle(THREAD, pool->pool_holder()); |
1146 |
} |
|
1147 |
||
1148 |
||
1149 |
void LinkResolver::resolve_invokestatic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1150 |
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
|
1151 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1152 |
Symbol* method_signature = NULL; |
1 | 1153 |
KlassHandle current_klass; |
1154 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1155 |
resolve_static_call(result, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
|
1156 |
} |
|
1157 |
||
1158 |
||
1159 |
void LinkResolver::resolve_invokespecial(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
|
1160 |
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
|
1161 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1162 |
Symbol* method_signature = NULL; |
1 | 1163 |
KlassHandle current_klass; |
1164 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
1165 |
resolve_special_call(result, resolved_klass, method_name, method_signature, current_klass, true, CHECK); |
|
1166 |
} |
|
1167 |
||
1168 |
||
1169 |
void LinkResolver::resolve_invokevirtual(CallInfo& result, Handle recv, |
|
1170 |
constantPoolHandle pool, int index, |
|
1171 |
TRAPS) { |
|
1172 |
||
1173 |
KlassHandle resolved_klass; |
|
8076
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1174 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1175 |
Symbol* method_signature = NULL; |
1 | 1176 |
KlassHandle current_klass; |
1177 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1178 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1179 |
resolve_virtual_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1180 |
} |
|
1181 |
||
1182 |
||
1183 |
void LinkResolver::resolve_invokeinterface(CallInfo& result, Handle recv, constantPoolHandle pool, int index, TRAPS) { |
|
1184 |
KlassHandle resolved_klass; |
|
8076
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6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1185 |
Symbol* method_name = NULL; |
96d498ec7ae1
6990754: Use native memory and reference counting to implement SymbolTable
coleenp
parents:
7397
diff
changeset
|
1186 |
Symbol* method_signature = NULL; |
1 | 1187 |
KlassHandle current_klass; |
1188 |
resolve_pool(resolved_klass, method_name, method_signature, current_klass, pool, index, CHECK); |
|
13728
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6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1189 |
KlassHandle recvrKlass (THREAD, recv.is_null() ? (Klass*)NULL : recv->klass()); |
1 | 1190 |
resolve_interface_call(result, recv, recvrKlass, resolved_klass, method_name, method_signature, current_klass, true, true, CHECK); |
1191 |
} |
|
1192 |
||
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1193 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1194 |
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
|
1195 |
assert(EnableInvokeDynamic, ""); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1196 |
// 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
|
1197 |
KlassHandle resolved_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1198 |
Symbol* method_name = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1199 |
Symbol* method_signature = NULL; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1200 |
KlassHandle current_klass; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1201 |
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
|
1202 |
if (TraceMethodHandles) |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1203 |
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
|
1204 |
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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changeset
|
1205 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1206 |
|
13391
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changeset
|
1207 |
void LinkResolver::resolve_handle_call(CallInfo& result, KlassHandle resolved_klass, |
30245956af37
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diff
changeset
|
1208 |
Symbol* method_name, Symbol* method_signature, |
30245956af37
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parents:
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diff
changeset
|
1209 |
KlassHandle current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
1210 |
TRAPS) { |
30245956af37
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parents:
10565
diff
changeset
|
1211 |
// JSR 292: this must be an implicitly generated method MethodHandle.invokeExact(*...) or similar |
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diff
changeset
|
1212 |
assert(resolved_klass() == SystemDictionary::MethodHandle_klass(), ""); |
30245956af37
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diff
changeset
|
1213 |
assert(MethodHandles::is_signature_polymorphic_name(method_name), ""); |
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
|
1214 |
methodHandle resolved_method; |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1215 |
Handle resolved_appendix; |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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parents:
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diff
changeset
|
1216 |
Handle resolved_method_type; |
13391
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parents:
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diff
changeset
|
1217 |
lookup_polymorphic_method(resolved_method, resolved_klass, |
30245956af37
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parents:
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diff
changeset
|
1218 |
method_name, method_signature, |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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parents:
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diff
changeset
|
1219 |
current_klass, &resolved_appendix, &resolved_method_type, CHECK); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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parents:
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diff
changeset
|
1220 |
result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK); |
13391
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parents:
10565
diff
changeset
|
1221 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1222 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
10565
diff
changeset
|
1223 |
|
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
|
1224 |
void LinkResolver::resolve_invokedynamic(CallInfo& result, constantPoolHandle pool, int index, TRAPS) { |
30245956af37
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parents:
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diff
changeset
|
1225 |
assert(EnableInvokeDynamic, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
1226 |
pool->set_invokedynamic(); // mark header to flag active call sites |
30245956af37
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twisti
parents:
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diff
changeset
|
1227 |
|
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
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parents:
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diff
changeset
|
1228 |
//resolve_pool(<resolved_klass>, method_name, method_signature, current_klass, pool, index, CHECK); |
13391
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7023639: JSR 292 method handle invocation needs a fast path for compiled code
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parents:
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diff
changeset
|
1229 |
Symbol* method_name = pool->name_ref_at(index); |
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
|
1230 |
Symbol* method_signature = pool->signature_ref_at(index); |
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
|
1231 |
KlassHandle current_klass = KlassHandle(THREAD, pool->pool_holder()); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1232 |
|
13391
30245956af37
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parents:
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diff
changeset
|
1233 |
// Resolve the bootstrap specifier (BSM + optional arguments). |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1234 |
Handle bootstrap_specifier; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1235 |
// Check if CallSite has been bound already: |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1236 |
ConstantPoolCacheEntry* cpce = pool->invokedynamic_cp_cache_entry_at(index); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
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diff
changeset
|
1237 |
if (cpce->is_f1_null()) { |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1238 |
int pool_index = cpce->constant_pool_index(); |
13391
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parents:
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diff
changeset
|
1239 |
oop bsm_info = pool->resolve_bootstrap_specifier_at(pool_index, CHECK); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1240 |
assert(bsm_info != NULL, ""); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1241 |
// FIXME: Cache this once per BootstrapMethods entry, not once per CONSTANT_InvokeDynamic. |
30245956af37
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twisti
parents:
10565
diff
changeset
|
1242 |
bootstrap_specifier = Handle(THREAD, bsm_info); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1243 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1244 |
if (!cpce->is_f1_null()) { |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1245 |
methodHandle method( THREAD, cpce->f1_as_method()); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1246 |
Handle appendix( THREAD, cpce->appendix_if_resolved(pool)); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1247 |
Handle method_type(THREAD, cpce->method_type_if_resolved(pool)); |
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1248 |
result.set_handle(method, appendix, method_type, CHECK); |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1249 |
return; |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1250 |
} |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1251 |
|
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1252 |
if (TraceMethodHandles) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1253 |
tty->print_cr("resolve_invokedynamic #%d %s %s", |
13728
882756847a04
6964458: Reimplement class meta-data storage to use native memory
coleenp
parents:
13396
diff
changeset
|
1254 |
ConstantPool::decode_invokedynamic_index(index), |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1255 |
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
|
1256 |
tty->print(" BSM info: "); bootstrap_specifier->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1257 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1258 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1259 |
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:
10565
diff
changeset
|
1260 |
} |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1261 |
|
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1262 |
void LinkResolver::resolve_dynamic_call(CallInfo& result, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1263 |
Handle bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1264 |
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
|
1265 |
KlassHandle current_klass, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1266 |
TRAPS) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1267 |
// 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
|
1268 |
// The appendix argument is likely to be a freshly-created CallSite. |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1269 |
Handle resolved_appendix; |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1270 |
Handle resolved_method_type; |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1271 |
methodHandle resolved_method = |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1272 |
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
|
1273 |
bootstrap_specifier, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1274 |
method_name, method_signature, |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1275 |
&resolved_appendix, |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1276 |
&resolved_method_type, |
13732
a9865f5514fc
7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents:
13728
diff
changeset
|
1277 |
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
|
1278 |
if (HAS_PENDING_EXCEPTION) { |
13391
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1279 |
if (TraceMethodHandles) { |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1280 |
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
|
1281 |
PENDING_EXCEPTION->print(); |
30245956af37
7023639: JSR 292 method handle invocation needs a fast path for compiled code
twisti
parents:
10565
diff
changeset
|
1282 |
} |
9967
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1283 |
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
|
1284 |
// 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
|
1285 |
return; |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1286 |
} |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1287 |
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
|
1288 |
// 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
|
1289 |
return; |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1290 |
} |
9ddc1c490930
7049415: Failure of resolution of sym.reference to the c.s.s. should be wrapped in BootstrapMethodError
jrose
parents:
9425
diff
changeset
|
1291 |
// 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
|
1292 |
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
|
1293 |
CLEAR_PENDING_EXCEPTION; |
13732
a9865f5514fc
7196120: NPG: JSR 2292 test fails because missing fix for 7188911
twisti
parents:
13728
diff
changeset
|
1294 |
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
|
1295 |
} |
13929
8da0dc50a6e4
7200949: JSR 292: rubybench/bench/time/bench_base64.rb fails with jruby.jar not on boot class path
twisti
parents:
13732
diff
changeset
|
1296 |
result.set_handle(resolved_method, resolved_appendix, resolved_method_type, CHECK); |
2570
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1297 |
} |
ecc7862946d4
6655646: dynamic languages need dynamically linked call sites
jrose
parents:
2534
diff
changeset
|
1298 |
|
1 | 1299 |
//------------------------------------------------------------------------------------------------------------------------ |
1300 |
#ifndef PRODUCT |
|
1301 |
||
1302 |
void FieldAccessInfo::print() { |
|
1303 |
ResourceMark rm; |
|
1304 |
tty->print_cr("Field %s@%d", name()->as_C_string(), field_offset()); |
|
1305 |
} |
|
1306 |
||
1307 |
#endif |